JP2007212180A - Analog electronic clock - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To continuously suppress increase of power consumption due to outputting compensation drive pulses. <P>SOLUTION: A control circuit 13 changes a drive pulse for a motor 15 into a second main pulse, having energy higher than a first main drive pulse, in order to drive the motor 15 during a period from a time when a judgement is made that calendar display section driving wheels 111-113 start their rotations, to a time, when a decision is made that those rotations terminate, based on the signal from a detecting section 17 which detects rotations of the calendar display section driving wheels 111-113. When the decision is made that the rotations of the calendar display section driving wheels 111-113 is terminated, the second main drive pulse is changed back to the first main drive pulse, in order to control the rotation of the motor 15. Hence, time display is performed by a pointer 19, and calendar display is performed by a day wheel 112 and the day of week wheel 113 for a day of the week, without having to use compensation drive pulse of large energy. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to an analog electronic timepiece that displays time in an analog manner.

  Conventionally, an analog electronic timepiece in which a time hand for displaying time such as an hour hand and a minute hand is rotationally driven by a motor has been used. The analog electronic timepiece has a motor that rotates the time hand and a motor control circuit that controls the rotation of the motor, and the motor control circuit drives the motor based on a time signal serving as a time reference. By doing so, the time is displayed with the time hand.

  In order to reliably rotate the motor, the analog electronic timepiece described in Patent Document 1 rotates the motor with the main drive pulse P1, detects the induced voltage generated in the motor drive coil, and the detected value is predetermined. The correction drive method is employed so that the motor is rotated by the correction drive pulse P2 having a larger energy than the main drive pulse P1.

  On the other hand, an analog electronic timepiece having a calendar (date, day of the week, etc.) display function is used (see, for example, Patent Document 2).

In an analog electronic timepiece that employs the correction driving method and is equipped with a calendar (date, day of the week, etc.) display function, as shown in FIG. 10, the motor is driven with a low-energy main drive pulse P1 during normal hand drive. When calendar feeding such as date feeding or day feeding is performed, the force of the jumper pressing the pawls of the date indicator and the day indicator acts to increase the load on the motor. With the main drive pulse P1 with reduced energy for the purpose of power saving, the rotor rotation speed becomes slow while the load increases during this daily feed and weekday feed, so that the induced voltage generated becomes lower than the threshold value. Thus, the non-rotation is determined, and the driving by the correction driving pulse P2 is continued. As a result, there is a problem that unnecessary power is consumed.
Japanese Examined Patent Publication No. 61-15385 (page 2, left column, line 36 to page right column, line 33, FIG. 4) Japanese Patent Laying-Open No. 2005-214837 (paragraphs [0014] to [0044], FIGS. 1 to 19)

  An object of the present invention is to suppress an increase in power consumption caused by continuing to output correction drive pulses.

  According to the present invention, a calendar display unit, a motor, a train wheel for transmitting rotation of the motor, a pointer driven by the train wheel, and a calendar driven by the train wheel to drive the calendar display unit. A vehicle for driving the display; a time signal generating means for generating a time signal which is a reference signal for timekeeping; and a control means for timing the time signal and outputting a drive pulse for controlling the rotation of the motor. In the analog electronic timepiece in which the motor is rotated by driving with a correction driving pulse whose energy is larger than that of the main driving pulse when the motor does not rotate depending on the main driving pulse, for driving the calendar display unit And detecting means for detecting rotation of the vehicle, wherein the control means rotates the calendar display section driving vehicle based on a signal from the detecting means. The drive pulse is changed from the first main drive pulse having a predetermined energy to the second main drive pulse having a higher energy than the first main drive pulse until it is determined that the rotation has been completed after the start is determined. Driving the motor and controlling the rotation of the motor by returning from the second main drive pulse to the first main drive pulse when it is determined that the rotation of the calendar display unit driving vehicle has ended. A featured analog electronic timepiece is provided.

  Based on the signal from the detection means, the control means determines that the driving pulse has the first energy of a predetermined energy from the time when it is determined that the calendar display unit driving vehicle has started to rotate until the time when the rotation has been completed. When the main drive pulse is changed to the second main drive pulse having a larger energy than the first main drive pulse to drive the motor, and when it is determined that the rotation of the calendar display unit driving vehicle has ended, The motor is rotationally controlled by returning from the second main drive pulse to the first main drive pulse.

  Here, the control means changes the drive pulse from the first main drive pulse to the second main drive pulse while the detection means detects that the calendar display section driving vehicle is rotating. And you may comprise so that the said motor may be rotationally driven.

  In addition, the calendar display unit driving vehicle includes a date driving wheel that is rotated by the wheel train, a date wheel that is rotated by the date driving wheel, and a day wheel that is rotated by the date driving wheel. In addition, the pawls of the respective cars are configured such that at least the surface thereof is electrically conductive and functions as the detecting means, and the control means is configured so that the date indicator driving wheel and the date pawl are in contact with each other. In addition, the drive pulse may be changed from the first main drive pulse to the second main drive pulse while the date indicator driving wheel and the day wheel are in contact with each other to drive the motor. .

  In addition, the calendar display unit driving vehicle includes a date driving wheel that is rotated by the wheel train, a date wheel that is rotated by the date driving wheel, and a day wheel that is rotated by the date driving wheel. The detecting means includes a switch for detecting contact between the date indicator driving wheel and the date indicator pawl and contact between the date indicator driving wheel and the day indicator pawl, and the control means includes the date indicator driving wheel and the date indicator. While the switch detects that the pawl of the vehicle is in contact and while the switch detects that the pawl of the date indicator and the day wheel is in contact, the drive pulse is transmitted to the first main drive. The motor may be configured to be changed from the pulse to the second main drive pulse.

  Further, the calendar display unit driving vehicle includes a date correction transmission wheel that is rotationally driven by the wheel train, a date wheel that is rotationally driven by the date correction transmission wheel, and a day correction transmission wheel that is rotationally driven by the wheel train, It is constituted by a day wheel that is rotationally driven by the day correction transmission wheel, and each pawl of each car is constituted such that at least its surface has conductivity and functions as the detection means, and the control means comprises: The drive pulse is changed from the first main drive pulse to the second main drive while the date correction transmission wheel and the day wheel are in contact with each other and while the day correction transmission wheel and the day wheel are in contact with each other. The motor may be configured to be changed to a driving pulse.

  Further, the calendar display unit driving vehicle includes a date correction transmission wheel that is rotationally driven by the wheel train, a date wheel that is rotationally driven by the date correction transmission wheel, and a day correction transmission wheel that is rotationally driven by the wheel train, The detection means detects a contact between the date correction transmission wheel and the day wheel and a contact between the day correction transmission wheel and the day wheel. The control means comprises a switch while the switch detects that the date correction transmission wheel and the date indicator pawl are in contact with each other and the day correction transmission wheel and the day indicator pawl. In this case, the drive pulse may be changed from the first main drive pulse to the second main drive pulse to drive the motor while the switch detects.

  Further, the control means changes the drive pulse from the first main drive pulse to the second main drive pulse for a predetermined time after the detection means detects the start of rotation of the calendar display unit driving vehicle. You may comprise so that the said motor may be rotationally driven.

  In addition, the calendar display unit driving vehicle includes a date driving wheel that is rotated by the wheel train, a date wheel that is rotated by the date driving wheel, and a day wheel that is rotated by the date driving wheel. In addition, the pawls of the vehicles are configured so that at least the surface thereof is electrically conductive and function as the detecting means, and the control means is a predetermined unit after the date indicator driving wheel and the date indicator pawls are in contact with each other. The motor is driven to rotate by changing the drive pulse from the first main drive pulse to the second main drive pulse for a period and for a predetermined period after the date indicator wheel and the day wheel are in contact with each other. It may be configured.

  In addition, the calendar display unit driving vehicle includes a date driving wheel that is rotated by the wheel train, a date wheel that is rotated by the date driving wheel, and a day wheel that is rotated by the date driving wheel. The detecting means includes a switch for detecting contact between the date indicator driving wheel and the date indicator pawl and contact between the date indicator driving wheel and the day indicator pawl, and the control means includes the date indicator driving wheel and the date indicator. The drive pulse is the first main drive pulse for a predetermined period after the switch detects that the pawl of the vehicle is in contact and for a predetermined period after the switch detects that the pawl of the date indicator and the day wheel is in contact. The motor may be configured to be changed to the second main drive pulse.

  Further, the calendar display unit driving vehicle includes a date correction transmission wheel that is rotationally driven by the wheel train, a date wheel that is rotationally driven by the date correction transmission wheel, and a day correction transmission wheel that is rotationally driven by the wheel train, It is constituted by a day wheel that is rotationally driven by the day correction transmission wheel, and each pawl of each car is constituted such that at least its surface has conductivity and functions as the detection means, and the control means comprises: The drive pulse from the first main drive pulse for a predetermined period after the date correction transmission wheel and the day wheel contact, and for a predetermined period after the day correction transmission wheel and the day wheel contact. The motor may be configured to be driven to rotate in place of the second main drive pulse.

  Further, the calendar display unit driving vehicle includes a date correction transmission wheel that is rotationally driven by the wheel train, a date wheel that is rotationally driven by the date correction transmission wheel, and a day correction transmission wheel that is rotationally driven by the wheel train, The detection means detects a contact between the date correction transmission wheel and the day wheel and a contact between the day correction transmission wheel and the day wheel. The control means comprises a switch for a predetermined period after the switch detects that the date correction transmission wheel and the date wheel are in contact with each other, and the day correction transmission wheel and the day wheel are in contact with each other. The motor may be configured to change the drive pulse from the first main drive pulse to the second main drive pulse for a predetermined period after the switch detects.

  Further, the control means may be configured to drive the motor with a main drive pulse having higher energy when the day indicator is driven to rotate than when the date indicator is driven.

  According to the electronic timepiece of the invention, it is possible to prevent the correction drive pulse from being continuously output, and thus it is possible to suppress an increase in power consumption.

  FIG. 1 is a circuit block diagram of an analog electronic timepiece according to the first embodiment of the present invention, in which a calendar display mechanism is an example of a vehicle type, and a mechanism portion is also shown.

  In FIG. 1, an electronic timepiece constitutes an oscillation circuit 11 that generates a signal of a predetermined frequency, a frequency divider circuit 12 that divides a signal generated by the oscillation circuit 11 and generates a clock signal that is a reference for timekeeping, and an electronic timepiece A control circuit 13 that performs control such as control of each electronic circuit element and drive pulse change control, a drive circuit 14 that selects and outputs a drive pulse for motor rotation driving based on a control signal from the control circuit 13, and a drive path 14 A motor 15 that is rotated by a drive pulse from the wheel, a wheel train 18 that is rotated by the motor 15 and has a car such as a fifth wheel and a hour wheel, a pointer 19 that is rotated by the wheel train 18 and displays the time, and a motor 15 A rotation detection circuit 16 that detects a rotation detection signal representing a rotation state from the date wheel, a date indicator driving wheel 111 that is rotated by a wheel train 18, and a date indicator 1 that is driven to rotate by a date indicator driving wheel 111 2, and a detecting section 17 for detecting the rotation of the day indicator 113, the date indicator 112 and the day indicator 113. The detection unit 17 constitutes detection means.

  The date indicator 112 and the day indicator 113 constitute a calendar display unit, and the date indicator driving wheel 111, the date indicator 112 and the day indicator 113 constitute a calendar indicator driving vehicle.

  The rotation detection circuit 16 has a configuration similar to that of the rotation detection circuit described in Patent Document 1, and detects a rotation detection signal equal to or higher than a predetermined reference signal voltage Vcomp when the motor 15 is rotated. When 15 does not rotate, a rotation detection signal higher than the reference signal voltage Vcomp cannot be detected.

  The control circuit 13, the drive circuit 14, and the rotation detection circuit 16 constitute a control means. Further, the control circuit 13 and the rotation detection circuit 16 constitute rotation detection means.

  FIG. 2 is a front view showing the mechanism of the first embodiment, and the same parts as those in FIG.

  In FIG. 2, 20 is a crown, 21 is a claw of a date wheel 112, 22 is a date feeding claw provided integrally with the date indicator driving wheel 111, 23 is a day feeding claw provided integrally with the date indicator driving wheel 111, 24 is The pawl of the day wheel 113, 25 is a hour wheel, 26 is a date jumper, 27 is a day jumper, 28 is an electric terminal for detecting contact between the day feeding pawl 23 and the pawl 24 of the day wheel, and 29 is a pawl 21 of the date dial. And an electric terminal for detecting contact of the date finger 22.

  The pawl 21 of the date indicator 112, the pawl 22 of the date indicator, the pawl 23 of the day indicator, and the pawl 24 of the date indicator 113 are formed of a conductive material, or at least the surface is electrically conductive by depositing a conductive material. Each pawl constitutes a detection unit 17. The electrical terminals 28 and 29 are connected to the control circuit 13. The terminal 28 is short-circuited while the day feeding pawl 23 and the pawl 24 are in contact with each other. The terminal 29 includes the pawl 21 and the date pawl 22. Short-circuit while in contact.

  The date jumper 26 is urged in the direction of the pawl 21 and presses between the two pawls 21 to hold the date dial 112 at a predetermined position so that the date is properly displayed. The day jumper 27 is urged in the direction of the pawl 24 and presses between the two pawls 24 to hold the day wheel 113 in a predetermined position so that the day display is properly performed.

  FIG. 3 is a flowchart showing the operation of the first embodiment. FIG. 9 is a timing chart showing the operation of the first embodiment.

  Hereinafter, the operation of the first embodiment will be described in detail with reference to FIGS. 1 to 3 and FIG. 9.

  In the normal state, the control circuit 13 performs a timing operation based on the clock signal from the frequency dividing circuit 12, and controls the drive circuit 14 to rotate the motor 15 by the first main drive pulse P1-1 having the lowest energy. (Steps S31 and S32 in FIG. 3).

  The rotation detection circuit 16 detects the rotation of the motor 15 and outputs a corresponding rotation detection signal. Based on the rotation detection signal, the control circuit 13 determines whether the motor 15 is rotating or not (step S35). When it is determined that the motor 15 has rotated, the motor 15 continues to rotate by the main drive pulse P1-1. If it is determined that the motor 15 is not rotating, the motor 15 is rotationally driven by the correction driving pulse P2 having energy larger than that of the main driving pulse P1-1 (step S36).

  The motor 15 rotationally drives the train wheel 18, and the train wheel 18 rotationally drives a time indicating hand 19.

  Further, during the time for switching the display of the day and the day of the week, the train wheel 18 rotates the date indicator driving wheel 111, the date indicator driving wheel 111 drives the date indicator 112 to rotate, and the date indicator is changed over when the date indicator driving is completed. Is completed, the day wheel 113 is rotated to drive the day of the week and the display of the day and the day is switched. At this time, when the date indicator driving wheel 111 rotates and the date feeding finger 22 comes into contact with the finger 21 of the date indicator 112, the control circuit 13 electrically shorts (ON) the two claws 22, 21 as the detecting unit 17. ) Is detected, and the motor 15 is rotationally driven by a second driving pulse having a predetermined energy larger than the main driving pulse P1-1 having the lowest energy. Here, since the date wheel 112 is rotationally driven, the motor 15 is rotationally driven by the third main driving pulse P1-2 having the smaller energy in the second main driving pulse (steps S31 and S33). When it is determined that the rotation detection signal from the rotation detection circuit 16 is equal to or greater than the predetermined reference value Vcomp, the control circuit 13 returns to step S31 (step S35).

  The operation is performed until the date feeding finger 22 of the date indicator driving wheel 111 and the finger 21 of the date indicator 112 are in contact with each other, that is, until the switching operation of the date display is completed. The motor 15 is driven by P1-1 (see FIG. 9). This makes it possible to reliably perform a day feeding operation with a large load.

  Thereafter, the display of the day of the week is switched. In this case, when the date indicator driving wheel 111 rotates and the day feeding pawl 23 comes into contact with the pawl 24 of the day indicator 113, the control circuit 13 electrically shorts the pawls 23 and 24 serving as the detection unit 17 ( ON) is detected, and the drive pulse is changed to the main drive pulse having a large energy in the second main drive pulse to drive. Here, in order to rotationally drive the day wheel 113 that requires a larger driving energy than the date indicator 112, a fourth energy whose energy is larger by a predetermined value than the third main driving pulse P1-2 in the second main driving pulse. The motor 15 is rotationally driven by the main drive pulse P1-3 (steps S31 and S34). When it is determined that the rotation detection signal from the rotation detection circuit 16 is equal to or greater than the predetermined reference value Vcomp, the control circuit 13 returns to step S31 (step S35).

  The operation is performed until the day feeding claw 23 of the date indicator driving wheel 111 and the claw 24 of the day indicator 113 are in contact, that is, until the switching operation of the day display is completed, and after completion, the main driving pulse P1- 1 drives the motor 15 (see FIG. 9). As a result, it is possible to reliably perform the day feeding operation having a larger load than the day feeding operation.

  It should be noted that the energy relationship of the drive pulses used in the operation is as follows: the first main drive pulse P1-1 <the third main drive pulse P1-2 included in the second main drive pulse <the second main drive pulse. The included fourth main drive pulse P1-3 << corrected drive pulse P2.

  FIG. 4 is a front view showing a mechanism of an analog electronic timepiece according to the second embodiment of the present invention, and the same parts as those in FIGS. 1 and 2 are denoted by the same reference numerals. In the second embodiment, the block diagram and processing are the same as those in FIGS.

  In the first embodiment, the detection unit 17 is configured by the conductive claws 21 to 24 of the date indicator driving wheel 111, the date indicator 112, and the day indicator 113. However, in the present embodiment, the detection unit 17 is The switch is configured to detect contact between the claw of the date indicator driving wheel 111 and the date indicator 112 and contact between the date indicator driving wheel 111 and the day indicator 113.

  In FIG. 4, the date indicator 111 rotates and the date finger 22 comes into contact with the pawl 21 of the date indicator 112, and at the same time, the first switch constituted by the terminal 44 and the terminal 43 integrally formed with the date indicator 111 is Closed (ON) state. The first switch is configured to be in a closed state while the claws 22 and 21 are in contact, that is, until the date display switching is completed.

  Also, the date indicator driving wheel 111 rotates and the day feeding pawl 23 comes into contact with the pawl 24 of the day indicator 113, and at the same time, the second switch constituted by the terminal 4 and the terminal 41 formed integrally with the day indicator 113 is closed (ON). ) State. The second switch is configured to be closed while the claws 23 and 24 are in contact, that is, until the day display switching is completed.

  Also in the second embodiment configured as described above, drive pulse switching control similar to that in the first embodiment is performed according to operations such as date feeding and day feeding.

  FIG. 5 is a flowchart showing the operation of the analog electronic timepiece according to the third embodiment of the invention. In the fifth embodiment, the block diagram is the same as that in FIG. 1, and any of the mechanisms in FIGS. 2 and 4 can be adopted. The operation will be described using the configuration in FIG.

  In the first and second embodiments, the detection unit 17 detects this during the day feeding operation and the day feeding operation. In the third embodiment, the day feeding operation and the day of the week are detected. The start of the feed operation is detected and the drive pulse is changed for a predetermined period to drive.

  In FIG. 5, in the normal state, the control circuit 13 performs a time measuring operation based on the clock signal from the frequency dividing circuit 12, and the drive circuit 14 drives the motor 15 to rotate by the main drive pulse P1-1 having the lowest energy. (Steps S51 and S52 in FIG. 5).

  The rotation detection circuit 16 detects the rotation of the motor 15 and outputs a corresponding rotation detection signal. Based on the rotation detection signal, the control circuit 13 determines whether the motor 15 is rotating or not (step S54). If it is determined that the motor 15 has rotated, the motor 15 continues to rotate by the main drive pulse P1-1. If it is determined that the motor 15 is not rotated, the motor 15 is rotationally driven by the correction drive pulse P2 (step S54).

  The motor 15 rotationally drives the train wheel 18, and the train wheel 18 rotationally drives a time indicating hand 19.

  Further, during the time for switching the display of the day and the day of the week, the train wheel 18 rotates the date indicator driving wheel 111, the date indicator driving wheel 111 drives the date indicator 112 to rotate, and the date indicator is changed by the completion of the rotation driving of the date indicator. Is completed, the day wheel 113 is rotated to drive the day of the week and the display of the day and the day is switched.

  At this time, when the date indicator driving wheel 111 rotates and the date feeding finger 22 comes into contact with the finger 21 of the date indicator 112, the control circuit 13 electrically shorts (ON) the two claws 22, 21 as the detecting unit 17. ) Is detected, and the motor 15 is rotationally driven by the third main drive pulse P1-2 whose energy is larger than the main drive pulse P1-1 by a predetermined value (steps S51 and S55). When it is determined that the rotation detection signal from the rotation detection circuit 16 is equal to or greater than the predetermined reference value Vcomp, the control circuit 13 determines that the rotation has been performed (step S56) and determines a predetermined period (period in which the date feeding operation is completed). The driving operation is continuously performed (step S58). Thereby, the date feeding operation is completed. If it is determined in step S56 that it is not rotating, it is driven by the correction drive pulse P2 (step S57).

  As described above, it is possible to reliably perform a daily feeding operation with a large load.

  Thereafter, the display of the day of the week is switched. In this case, when the date indicator driving wheel 111 rotates and the day feeding pawl 23 comes into contact with the pawl 24 of the day indicator 112, the control circuit 13 electrically shorts (ON) the pawls 23 and 24 serving as the detection unit 17. ) Is detected, and the motor 15 is rotationally driven by a third drive pulse P1-3 whose energy is larger than the main drive pulses P1-1 and P1-2 by a predetermined value (steps S51 and S59). When it is determined that the rotation detection signal from the rotation detection circuit 16 is equal to or greater than the predetermined reference value Vcomp, the control circuit 13 determines that the rotation has been performed (step S60) and determines a predetermined period (period in which the day feeding operation is completed). The driving operation is continuously performed (step S62). Thereby, the day feeding operation is completed. If it is determined in step S60 that the motor does not rotate, it is driven by the correction drive pulse P2 (step S61).

  As described above, it is possible to reliably perform the day feeding operation having a larger load than the day feeding operation.

  FIG. 6 is a circuit block diagram of an analog electronic timepiece according to the fourth embodiment of the present invention. The calendar display mechanism is an example of a hand type, and the mechanism portion is also shown. The same parts as those in FIG. In each of the embodiments described above, an example of a vehicle type has been described. However, the fourth embodiment is an example of a needle type, and the operation of the difference will be described below.

  In FIG. 6, 61 is a date correction transmission wheel that is rotationally driven by the train wheel 18, 62 is a date hand that is rotationally driven by the date wheel 112, 63 is a day correction transmission wheel that is rotationally driven by the train wheel 18, and 64 is the day of the week. The day hand is rotated by the car 112.

  The date hand 62 and the day hand 64 constitute a calendar display section, and the date correction transmission wheel 61, the date wheel 112, the day correction transmission wheel 63 and the day wheel 113 constitute a calendar display section driving vehicle.

  FIG. 7 is a front view showing a mechanism of an analog electronic timepiece according to the fourth embodiment of the present invention, and the same reference numerals are given to the same parts as those in FIGS. .

  The pawl 21 of the date indicator 112, the date feeding pawl 22 of the date correction transmission wheel 61, the day feeding pawl 23 of the day correction transmission wheel 63, and the pawl 24 of the day dial 113 are formed of a conductive material or are conductive. By vapor-depositing the material, at least the surface is configured to have conductivity, and each pawl constitutes the detection unit 17. The electrical terminals 28 and 29 are connected to the control circuit 13. The terminal 28 is short-circuited while the day feeding claw 23 and the claw 24 of the day indicator 113 are in contact with each other. The terminal 29 is connected to the date indicator 112. A short circuit occurs while the pawl 21 and the date feeding pawl 22 are in contact.

  Using the mechanism configured as described above, the same operation as in the first or third embodiment is performed.

  FIG. 8 is a front view showing a mechanism of an analog electronic timepiece according to the fifth embodiment of the invention, and the same reference numerals are given to the same parts as those in FIGS. 1, 2, 4, 6, and 7. is doing.

  In the fourth embodiment, the detection unit 17 is configured by the conductive pawls 21 to 24 of the date correction transmission wheel 61, the date indicator 112, the day correction transmission wheel 63, and the day wheel 113, but this embodiment In the embodiment, the detection unit 17 detects contact between the date feeding finger 22 of the date correction transmission wheel 61 and the pawl 21 of the date indicator 112 and contact between the day feeding finger 23 of the day correction transmission wheel 63 and the pawl 24 of the day wheel 113. It consists of switches.

  The day wheel 113, the day correction transmission wheel 63, the day correction transmission wheel 61, and the date wheel 112 are integrally formed with conductive pin-shaped terminals 81, 83, 85, and 87, respectively.

  While the date finger 22 is in contact with the pawl 21 of the date dial 112, the terminal 85 and the terminal 86 are in contact with each other, and the terminal 87 and the terminal 88 are in contact with each other. Further, while the day feeding pawl 23 and the pawl 24 of the day indicator 113 are in contact, the terminal 81 and the terminal 82, and the terminal 83 and the terminal 84 are in contact with each other.

  Using the mechanism configured as described above, the same operation as in the fourth embodiment is performed.

  As described above, according to the analog electronic timepiece according to the present embodiment, the control circuit 13 receives the signal from the detection unit 17 that detects the rotation of the calendar display unit driving cars 111, 112, 113, 61, 63. The driving pulse of the motor 15 is changed to the first main driving pulse P1- until it is determined that the calendar display unit driving vehicles 111, 112, 113, 61, 63 have started rotating and the rotation has ended. Driving the motor 15 by changing to the third main driving pulse P1-2 and the fourth main driving pulse P1-3 during the second main driving having energy larger than 1, and driving the calendar display unit driving vehicles 111, 112, When it is determined that the rotation of the motors 113, 61 and 63 has been completed, the motor 15 is controlled to rotate by returning from the third main drive pulse P1-2 and the fourth main drive pulse P1-3 to the first main drive pulse P1-1. Do

  Further, the start of the rotational drive of the vehicle on which the jumpers 26 and 27 are applied is detected, and the motor 15 is driven by changing the drive pulse.

  As a result, the time is displayed by the hands 19 and the calendar is displayed by the date wheel 112, the day wheel 113, the date hand 62, and the day hand 64 without using the correction drive pulse P2 having a large energy. It is possible to suppress an increase in power consumption caused by continuing to output the correction drive pulse P2.

  In the above-described embodiment, driving pulses having different pulse widths can be used as the plurality of driving pulses having different driving energies, but the voltage levels of the driving pulses are different from each other, or the pulse width and voltage are different. You may comprise so that both levels may mutually differ.

  The analog electronic timepiece of the present invention can be applied to analog electronic timepieces with various calendar functions such as an analog electronic wristwatch with a calendar function and an analog electronic table clock with a calendar function, and is particularly suitable for an analog electronic timepiece using a battery as a power source. .

It is a block diagram of the analog electronic timepiece concerning the 1st-3rd embodiment of the present invention. It is a front view which shows the mechanism of the analog electronic timepiece which concerns on the 1st Embodiment of this invention. It is a flowchart which shows operation | movement of the analog electronic timepiece which concerns on the 1st Embodiment of this invention. It is a front view which shows the mechanism of the analog electronic timepiece which concerns on the 2nd Embodiment of this invention. It is a flowchart which shows operation | movement of the analog electronic timepiece which concerns on the 3rd Embodiment of this invention. It is a block diagram of an analog electronic timepiece according to the fourth and fifth embodiments of the present invention. It is a front view which shows the mechanism of the analog electronic timepiece which concerns on the 4th Embodiment of this invention. It is a front view which shows the mechanism of the analog electronic timepiece which concerns on the 5th Embodiment of this invention. FIG. 6 is a timing chart showing an operation of the analog electronic timepiece according to each embodiment of the invention. It is a timing diagram which shows operation | movement of the conventional analog electronic timepiece.

Explanation of symbols

11: Oscillator circuit 11
12: Dividing circuit 12
DESCRIPTION OF SYMBOLS 13 ... Control circuit which comprises control means and rotation detection means 14 ... Drive circuit 15 which comprises control means ... Motor 16 ... Rotation detection circuit 17 which comprises control means and rotation detection means ... The detection unit 18 constituting the detection means ... the train wheel 19 ... the pointer 111 ... the date indicator driving wheel 112 constituting the calendar display unit driving vehicle and the calendar display unit driving vehicle and the calendar display unit. Date wheel 113 ... calendar display drive wheel and day wheel 20 constituting the calendar display section ... crown 21 ... date wheel 112 claw 22 ... date feed claw 23 ... day feed claw 24 ..Nail 25 of the day wheel 113 ... hour wheel 26 ... date jumper 27 ... day jumper 28, 29, 42, 44, 82, 84, 86, 88 ... electrical terminals 41, 43, 81 , 83, 85, 87... Terminal 6 ... Date correction transmission wheel 62 constituting the calendar display unit driving vehicle ... Date hand 63 constituting the calendar display unit ... Day correction transmission wheel 64 constituting the calendar display unit driving vehicle ... Calendar display unit Composing the day of the week

Claims (12)

A calendar display unit, a motor, a train wheel for transmitting rotation of the motor, a pointer driven by the train wheel, and a calendar display unit driving vehicle driven by the train wheel to drive the calendar display unit. A time signal generating means for generating a time signal which is a reference signal for timekeeping, and a control means for timing the time signal and outputting a drive pulse for controlling the rotation of the motor, depending on the main drive pulse. In the analog electronic timepiece in which the motor is rotated by driving with a correction driving pulse having energy larger than that of the main driving pulse when the motor does not rotate,
Detecting means for detecting rotation of the calendar display unit driving vehicle;
Based on the signal from the detection means, the control means determines that the driving pulse has the first energy of a predetermined energy from the time when it is determined that the calendar display unit driving vehicle has started to rotate until the time when the rotation has been completed. When the main drive pulse is changed to the second main drive pulse having a larger energy than the first main drive pulse to drive the motor, and when it is determined that the rotation of the calendar display unit driving vehicle has ended, An analog electronic timepiece wherein the rotation of the motor is controlled by returning from the second main drive pulse to the first main drive pulse.   The control means changes the drive pulse from the first main drive pulse to the second main drive pulse while the detection means detects that the calendar display unit driving vehicle is rotating. 2. The analog electronic timepiece according to claim 1, wherein the motor is driven to rotate. The calendar display unit driving vehicle is constituted by a date driving wheel that is rotated by the wheel train, a date wheel that is rotated by the date driving wheel, and a day wheel that is rotated by the date driving wheel, Each pawl of each vehicle is configured so that at least its surface has conductivity and functions as the detection means,
The control means may change the drive pulse from the first main drive pulse to the first main drive pulse while the date indicator driving wheel and the date indicator finger are in contact with each other and while the date indicator driving wheel and the day indicator finger are in contact with each other. 3. The analog electronic timepiece according to claim 2, wherein the motor is driven by changing to two main drive pulses. The calendar display unit driving vehicle is constituted by a date driving wheel that is rotated by the wheel train, a date wheel that is rotated by the date driving wheel, and a day wheel that is rotated by the date driving wheel, The detection means includes a switch that detects contact between the date indicator driving wheel and a date indicator claw and contact between the date indicator driving wheel and a day indicator pawl,
The control means detects the switch while the switch detects that the date indicator and the date indicator are in contact with each other and the switch detects that the date indicator and the day indicator are in contact with each other. 3. The analog electronic timepiece according to claim 2, wherein the driving pulse is changed from the first main driving pulse to the second main driving pulse to drive the motor. The calendar display section driving vehicle includes a date correction transmission wheel that is rotationally driven by the wheel train, a date wheel that is rotationally driven by the date correction transmission wheel, and a day correction transmission wheel that is rotationally driven by the train wheel, It is constituted by a day wheel that is rotationally driven by a correction transmission wheel, and each pawl of each car is configured such that at least the surface thereof has conductivity and functions as the detecting means,
The control means is configured to change the drive pulse from the first main drive pulse while the date correction transmission wheel and the date wheel are in contact with each other and while the day correction transmission wheel and the day wheel are in contact with each other. 3. The analog electronic timepiece according to claim 2, wherein the motor is driven by changing to the second main drive pulse. The calendar display section driving vehicle includes a date correction transmission wheel that is rotationally driven by the wheel train, a date wheel that is rotationally driven by the date correction transmission wheel, and a day correction transmission wheel that is rotationally driven by the train wheel, The detection means is constituted by a switch for detecting a contact between the date correction transmission wheel and the day wheel and a contact between the day correction transmission wheel and the day wheel. Made up of,
The control means detects the switch while the switch detects that the date correction transmission wheel and the date wheel are in contact with each other, and detects that the day correction transmission wheel and the day wheel are in contact with each other. 3. The analog electronic timepiece according to claim 2, wherein the motor is driven by changing the driving pulse from the first main driving pulse to the second main driving pulse.   The control means changes the drive pulse from the first main drive pulse to the second main drive pulse for a predetermined time after the detection means detects the start of rotation of the calendar display unit driving vehicle. The analog electronic timepiece according to claim 1, wherein the analog electronic timepiece is driven to rotate. The calendar display unit driving vehicle is constituted by a date driving wheel that is rotated by the wheel train, a date wheel that is rotated by the date driving wheel, and a day wheel that is rotated by the date driving wheel, Each pawl of each vehicle is configured so that at least its surface has conductivity and functions as the detection means,
The control means is configured to cause the first main drive to drive the driving pulse for a predetermined period after the date indicator driving wheel and the date indicator contact with each other and for a predetermined period after the date indicator driving wheel and the day indicator pawl contact. 8. The analog electronic timepiece according to claim 7, wherein the motor is rotated by changing from a pulse to the second main drive pulse. The calendar display unit driving vehicle is constituted by a date driving wheel that is rotated by the wheel train, a date wheel that is rotated by the date driving wheel, and a day wheel that is rotated by the date driving wheel, The detection means includes a switch that detects contact between the date indicator driving wheel and a date indicator claw and contact between the date indicator driving wheel and a day indicator pawl,
The control means includes a predetermined period after the switch detects that the date indicator and the date wheel are in contact with each other and a predetermined period after the switch detects that the date indicator and the day wheel are in contact with each other. 8. The analog electronic timepiece according to claim 7, wherein the motor is driven by changing the driving pulse from the first main driving pulse to the second main driving pulse. The calendar display section driving vehicle includes a date correction transmission wheel that is rotationally driven by the wheel train, a date wheel that is rotationally driven by the date correction transmission wheel, and a day correction transmission wheel that is rotationally driven by the train wheel, It is constituted by a day wheel that is rotationally driven by a correction transmission wheel, and each pawl of each car is configured such that at least the surface thereof has conductivity and functions as the detecting means,
The control means outputs the drive pulses for the predetermined period after the date correction transmission wheel and the day wheel contact, and for the predetermined period after the day correction transmission wheel and the day wheel pawl contact. 8. The analog electronic timepiece according to claim 7, wherein the motor is rotated by changing the main drive pulse to the second main drive pulse. The calendar display section driving vehicle includes a date correction transmission wheel that is rotationally driven by the wheel train, a date wheel that is rotationally driven by the date correction transmission wheel, and a day correction transmission wheel that is rotationally driven by the train wheel, The detection means is constituted by a switch for detecting a contact between the date correction transmission wheel and the day wheel and a contact between the day correction transmission wheel and the day wheel. Made up of,
The control means is for a predetermined period after the switch detects that the date correction transmission wheel and the date wheel are in contact with each other and after the switch detects that the day correction transmission wheel and the day wheel are in contact with each other. 8. The analog electronic timepiece according to claim 7, wherein the motor is driven by changing the driving pulse from the first main driving pulse to the second main driving pulse for a predetermined period.   The said control means drives the said motor with the main drive pulse whose energy is larger than when driving the said date indicator when driving the day indicator. The analog electronic timepiece described in any one.

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