JPH112542A - Pedometer with noise eliminating function - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a pedometer which can provide a highly accurate count of steps. SOLUTION: A means 46 for recognizing vibration not derived from walking determines whether or not vibration (walk signal Sp ) equal to or greater than a predetermined level, detected by a walking vibration detecting means 40 (movable weight device 18, vibration. detecting switch 20), is derived from the walking action of a living body, according to information about the frequency of walking vibration calculated by a frequency information calculating means 44. When the vibration equal to or greater than the predetermined level, detected by the walking vibration detecting means 40, is determined to have no relation with the walking action of the living body, the vibration equal to or greater than the predetermined level, detected by the walking vibration detecting means 40, is not counted by a step counting means 42. Therefore, because counting of vibrations not related to the walking of the living body is prevented, a highly accurate count of steps can be obtained.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a pedometer having a function of counting a walking motion of a living body and removing a vibration noise not derived from a primary vibration for each walking motion of the living body.

[0002]

2. Description of the Related Art A pedometer for counting the walking motion of a living body is a pedometer for detecting a vibration having a magnitude equal to or larger than a predetermined level among walking vibrations periodically generated in the living body for each walking motion of the living body. A vibration detecting means, and a walking number counting means for sequentially counting vibrations detected by the walking vibration detecting means, and outputting the walking number counted by the walking number counting means to a liquid crystal display, or Output to the analysis device.

The above-mentioned vibration detecting means is provided with a weight mounted on a part such as the waist of a living body and floated by a spring, for example, and a vibration detection switch for detecting the vertical movement or displacement of the weight. In addition, in order to perform one detection per one walking operation, the vibration detection switch detects a vertical movement or displacement of the weight, which is generated in synchronization with the walking movement of the living body, of a predetermined magnitude or more. Thus, it is configured mechanically or electrically.

[0004]

By the way, a pedometer mounted on a living body senses the vibration of a vehicle such as an automobile or a train that is boarded during commuting and detects the vibration when walking. Therefore, there was a disadvantage that an accurate walking number could not be obtained. In addition, the walking vibration generated by the pedometer attached to the living body in relation to the living body is not a vibration of a single amplitude, but may be a plurality of continuous vibrations with attenuated amplitude. Not only is detected by the vibration detection switch, but also the second and subsequent amplitudes are detected by the vibration detection switch, and there is a disadvantage that an accurate walking number cannot be obtained.

The present invention has been made in view of the above circumstances, and an object of the present invention is to provide a pedometer capable of obtaining a highly accurate walking count value.

[0006]

SUMMARY OF THE INVENTION A first aspect of the present invention to achieve the above object is to provide a method of a walking vibration which periodically occurs in a living body in synchronization with the walking movement of the living body. A walking vibration detecting means for detecting a vibration having a magnitude equal to or greater than a level; and a walking number counting means for counting the number of vibrations having a magnitude equal to or greater than a predetermined level detected by the walking vibration detecting means. A pedometer that outputs the number of steps counted by the means, and (a) frequency information calculating means for calculating frequency information of the walking vibration each time the walking vibration of the living body is detected by the walking vibration detecting means. When,
(b) The vibration having a magnitude equal to or higher than a predetermined level detected by the walking vibration detecting means is based on the walking motion of the living body based on the generation cycle of the walking vibration calculated by the frequency information calculating means. If it is determined that the vibration having a magnitude equal to or greater than the predetermined level detected by the walking vibration detecting means is not derived from the walking motion of the living body, the detection is performed by the walking vibration detecting means. And a non-walking vibration determining means for preventing the vibration having a magnitude equal to or greater than the predetermined level from being counted by the walking number counting means.

[0007]

According to the first aspect of the invention, the non-walking vibration judging means is based on the frequency information of the walking vibration calculated by the frequency information calculating means and is equal to or higher than the predetermined level detected by the walking vibration detecting means. It is determined whether or not the vibration of magnitude is derived from the walking motion of the living body, and the vibration of a magnitude not less than a predetermined level detected by the walking vibration detecting means is not derived from the walking motion of the living body. If it is determined that the vibration level is less than the predetermined level detected by the walking vibration detecting means, the walking number counting means does not count the vibration. For this reason, counting of non-walking vibrations not related to walking of a living body is prevented, and a highly accurate walking count value can be obtained.

[0008]

A second aspect of the present invention to achieve the above-mentioned object is that a walking vibration periodically generated in a living body is synchronized with a walking movement of the living body. A walking vibration detecting means for detecting a vibration having a magnitude equal to or higher than a predetermined level, and a walking number counting means for counting the number of vibrations having a magnitude equal to or higher than the predetermined level detected by the walking vibration detecting means; A pedometer that outputs the number of steps counted by the number counting means, and (a) frequency information for calculating frequency information of the walking vibration every time a walking vibration of a living body is detected by the walking vibration detecting means. Calculating means, and (b) vibration of a magnitude equal to or greater than a predetermined level detected by the walking vibration detecting means based on the occurrence cycle of the walking vibration calculated by the frequency information calculating means, for each walking motion of the living body That raw It is determined whether or not it is derived from rebound vibration, which is a higher-order vibration of the walking vibrations generated, and the vibration having a magnitude equal to or higher than a predetermined level detected by the walking vibration detecting means is the rebound vibration. If it is determined that there is, the rebound determining means for preventing the vibration having a magnitude equal to or higher than a predetermined level detected by the walking vibration detecting means from being counted by the walking number counting means.

[0009]

According to this structure, the rebound determining means detects the magnitude of the predetermined level or more detected by the walking vibration detecting means based on the frequency information of the walking vibration calculated by the frequency information calculating means. It is determined whether or not the vibration is derived from a rebound vibration that is a higher-order vibration of the walking vibration generated in the living body for each walking operation of the living body, and is detected by the walking vibration detecting means. When it is determined that the vibration having the magnitude equal to or higher than the predetermined level is the rebound vibration, the vibration having the magnitude equal to or higher than the predetermined level is prevented from being counted by the walking number counting means. For this reason, since the counting of the second and subsequent vibrations among the walking vibrations related to the walking of the living body is prevented, a highly accurate walking count value can be obtained.

[0010]

Another aspect of the present invention, in the first invention, preferably, the walking vibration detecting means includes a movable weight device supported in a floating state so as to be movable in a vertical direction, A vibration detection switch for detecting a displacement, wherein the frequency information calculating means includes a frequency corresponding to one walking of the living body, that is, a generation cycle of each walking vibration corresponding to one walking of the living body among the walking vibrations. (Generation frequency)
The non-walking vibration determining means includes a cycle range set in advance such that the generation cycle of the walking vibration calculated by the frequency information calculating means sufficiently includes a general walking cycle of the living body. Is to be determined. In this way, there is an advantage that counting of a short-period vibration or a long-period vibration that is not included in the general walking cycle of the living body is prevented.

Preferably, the walking vibration detecting means includes a movable weight device supported in a floating state so as to be movable in a vertical direction, and a vibration detecting switch for detecting a predetermined vertical displacement of the weight. Wherein the frequency information calculating means includes one of the living organisms among the walking vibrations.
The frequency corresponding to walking, that is, the generation cycle (generation frequency) of each walking vibration corresponding to one walk, is calculated, and the non-walking vibration determining means generates the walking vibration calculated by the frequency information calculating means. It is determined whether or not the cycle exceeds a preset cycle change range centered on the moving average value of the generation cycle of the walking vibration calculated by the frequency information calculating means. If you do this,
There is an advantage that counting of vibrations generated by a cycle change that is not included in the general range of change of the walking cycle of the living body is prevented.

Preferably, the walking vibration detecting means includes a movable weight device supported in a floating state so as to be movable in a vertical direction, and a vertical vibration of the weight continuously detected to detect the vibration. And a waveform shaping unit that outputs a step signal representing walking vibration to the walking number counting unit when the vibration signal from the vibration sensor is equal to or higher than a predetermined level value. The frequency information calculating means frequency-analyzes the vibration signal to output a frequency spectrum, and the non-walking vibration determining means performs the walking vibration based on a characteristic waveform of the frequency spectrum. It is determined that the vibration having a magnitude equal to or higher than the predetermined level detected by the detecting means is a non-walking vibration not derived from the walking action of the living body. According to this configuration, since the non-walking vibration is determined based on the frequency spectrum included in the walking vibration, there is an advantage that the influence of the vibration of a vehicle such as a train or an automobile is suitably removed.

In the second invention, preferably,
The walking vibration detecting means comprises a weight supported in a floating state movably in the vertical direction, and a vibration detection switch for detecting a vertical displacement of the weight, and the frequency information calculating means is Calculating a frequency corresponding to one walking of the living body among the walking vibrations, that is, an occurrence cycle (occurrence frequency) of each walking vibration corresponding to one walking. The rebound vibration determining means calculates the frequency information calculation. The determination is made as to whether the vibration is a rebound vibration based on the fact that the amplitude is smaller than the moving average value of the generation cycle of the walking vibration calculated by the means. With this configuration, the rebound vibration is not counted as the walking vibration, so that the counting accuracy of the walking number can be improved.

[0014]

Preferred embodiments of the present invention will be described below in detail with reference to the accompanying drawings.

In FIG. 1, a pedometer 10 includes a movable weight device 18 having a weight 16 guided in a linear direction by a guide case 12 and supported in a floating state by a spring 14, and a magnetized weight 16. Includes a vibration detection switch 20 that is operated in connection with moving a predetermined distance or more, and is mounted on a waist of a living body or the like so that the moving direction of the weight 16 is substantially vertical. When the weight 16 of the movable weight device 18 is vibrated up and down in synchronization with the walking motion of the living body, the vibration detection switch 20 constituted by a reed switch or the like detects the movement of the weight 16 over a predetermined distance. to detect the walking vibration of a predetermined level or more sizes of gait vibration of a living body, a walking signal S _P is a pulse corresponding to one step, and outputs to the arithmetic control circuit 22. The spring constant of the spring 14, the mass of the weight 16,
The position of the vibration detection switch 20 is set such that the primary amplitude of the walking vibration generated for each step during walking is reliably detected.

The pedometer 10 is provided with a reset button 24 that is operated to cancel the number of steps counted up to that time. When the reset button 24 is pressed, the reset button 24 is pressed. A reset signal is supplied from 24 to the arithmetic and control circuit 22. The arithmetic control circuit 22 is provided with a CPU
26, a ROM 28, a RAM 30 and the like. The CPU 26 processes the input signal according to a program stored in the ROM 28 in advance while using the storage function of the RAM 30 to determine the number of walks. Display output.

FIG. 2 is a functional block diagram for explaining a main part of the control function of the arithmetic control circuit 22. In FIG. 2, the walking vibration detecting means 40 includes the movable weight device 18 and the vibration detecting switch 20 and has a magnitude equal to or larger than a predetermined level among walking vibrations periodically generated in the living body in synchronization with the walking operation of the living body. vibration detecting a, it outputs a walk signal S _P shown in FIG. 3 or FIG. 4. Walking number counting unit 42, together with the counts and stores the walk signal S _P which is output from the walking vibration detecting means 40, numeric displays the stored contents 32
, While the stored contents are cleared by the reset operation of the reset button 24.

Each time the walking vibration detecting means 40 detects a walking vibration having a magnitude equal to or greater than a predetermined level of the living body, that is, every time the walking signal _SP is output, the frequency information calculating means 44 generates the walking vibration. Is calculated. For example, the walking vibration transmitted to the pedometer 10 is, for example, the vertical vibration of the weight 16 shown in FIG. 3 or FIG.
This is a series of vibrations repeatedly generated for each step. For example, the frequency information calculating means 44 detects the frequency information of the wave, that is, the detection frequency f _P (= 1 / _TP ) Hz of the walking vibration equal to or higher than the predetermined level. Alternatively, the detection cycle T _P
sec is calculated.

The non-walking vibration determining means 46 detects the vibration having a magnitude equal to or higher than a predetermined level detected by the walking vibration detecting means 40 based on the frequency information of the walking vibration calculated by the frequency information calculating means 44. It is determined whether or not the vibration is derived from the walking motion of the subject, and the vibration having a magnitude equal to or higher than the predetermined level detected by the walking vibration detecting means 40 is determined to be the non-walking vibration not derived from the walking motion of the living body. If the, the walking vibration detecting means vibrations of, predetermined level or higher magnitude detected by 40, i.e. the walking signal S _P is, to not be counted by the walk number counting unit 42.

For example, the non-walking vibration determining means 46
Is the detection (generation) frequency f _P or the detection (generation) period T _{P of} the walking vibration calculated by the frequency information calculation means 44.
Is determined to exceed a frequency range f _{Pmim to} f _Pmax or a cycle range T _{Pmim to} T _Pmax preset to sufficiently include a general walking cycle of the living body, and when the determination is affirmed. Is determined to be non-walking vibration. Also, the non-walking vibration judging means 46, whether the detected (generating) the frequency f _P or detection (generating) the period T _P of the walking oscillation calculated by the frequency information calculation unit 44, deviates more than a predetermined value from the basic value not or, for example, the actual walking vibration detection (generation) frequency f _P or detection (generating) the period T
_P is a predetermined frequency change range (f _PAV -α) to (f _PAV + α) or a period change range (T _PAV ) centered on a moving average value (basic value) f _PAV or T _PAV within a predetermined number of steps section. −α) to (T _PAV + α) are determined, and if the determination is affirmed, it is determined that the vibration is non-walking vibration.

The walking vibration of the living body, that is, the vibration of the weight 16 generated in connection with walking, includes, for example, FIG.
As shown in the frequency spectrum of FIG. 6, during traveling, for example, as shown in the frequency spectrum of FIG. 6, the frequency f _p1 of the fundamental wave and the frequencies f _p2 , f
_Although a frequency component having a peak is included in _p3 ..., for example, when a vehicle such as a train is used, a frequency component having peaks at irregular intervals is included as shown in a frequency spectrum of FIG. There is a phenomenon that is. Fundamental frequency f _p1 of FIG 5 is sufficiently lower than the fundamental frequency f _p1 in FIG. 6, also in the frequency spectrum of FIG. 7, the frequency component of the vibration due to the vibration and movement of the vibration, or the vehicle of the vehicle Is included. Therefore, the non-walking vibration determination means 46 determines the traveling time shown in FIG. 6 and the riding time shown in FIG. 7 as the non-walking vibration. The frequency range f
_{Pmim to} f _Pmax or period range T _{Pmim to} T _Pmax , and frequency change range (f _PAV −α) to (f _PAV + α)
Alternatively, the period change range (T _PAV −α) to (T _PAV + α)
Is thus determined.

The rebound vibration judging means 48 detects, based on the frequency information of the walking vibration calculated by the frequency information calculating means 44, the vibration having a magnitude equal to or higher than a predetermined level detected by the walking vibration detecting means 40. It is determined whether or not it is derived from a rebound vibration that is a higher-order vibration among walking vibrations generated in the living body for each walking motion, and a vibration having a magnitude equal to or greater than a predetermined level is a rebound vibration. and when it is determined, the vibration i.e. walk signal S _P output, predetermined level or higher size detection from being counted by the walk number counting means 42 by walking vibration detecting means 40.

Here, the walking vibration is the same as that in FIG.
As shown in the figure, a series of vibrations generated in synchronization with walking, but the vibration generated in synchronization with walking is followed by a primary vibration having the largest amplitude, followed by a rebound vibration of secondary and lower amplitudes whose amplitude is sequentially attenuated. As shown in FIG. 4, when the vibration of the second order or less exceeds the sensitive position of the reed switch 20 as shown by the broken line in the figure, that is, when the magnitude of the vibration exceeds a predetermined level, a plurality of walks are performed in one walk. The signal _SP is generated. Therefore, the rebound vibration judging means 48, the detection of the walking oscillation calculated by the frequency information calculation unit 44 (generator) higher than a predetermined value than the moving average value f _PAV of, for example, about 10 steps of frequency f _P, or Based on the fact that the detection (occurrence) period T _P is shorter than the moving average value T _PAV by a predetermined value or more and the amplitude is smaller than the immediately preceding amplitude, it is determined whether or not rebound vibration is present,
If this judgment is affirmed, the walking vibration detecting means 40
Vibration That walk signal S _P output, predetermined level or higher size detection from being counted by the walk number counting means 42 by.

FIG. 8 is a flowchart for explaining a main part of the control operation of the arithmetic and control circuit 22. In step (SA1) shown in the figure, it is determined whether or not a reset operation by the reset button 24 has been performed. If the determination in SA1 is denied, the execution of SA2 is skipped.
In step 2, the contents of the walking number counter CN _MP are cleared to zero.

[0025] In subsequent SA3, whether or not the input walking signal S _P in the vibration signal or the embodiment generated with the walking or not. If the determination at SA3 is denied, the routine is terminated after SA10 is executed. If the determination is affirmed, the frequency information calculation unit 4 is executed.
4 generation period of the walking signal S _P in SA4 corresponding to the T
_P, that is, frequency information of the walking vibration is calculated.

[0026] In SA5 corresponding to the rebound vibration judging means 48, whether the most recent vibration amplitude which the generation period T _P is calculated is due Ribaunto is, the latest generation period T _P is calculated walking vibrations its basic value or walking vibration detection (generating) the period T _P moving average value T of the
_The determination is made based on the fact that the amplitude is shorter than the _PAV by a predetermined value and the amplitude is smaller than the immediately preceding amplitude. If this determination is affirmed, the routine is terminated after SA10 is executed. Thus, counting the walk signal S _P2, S _P4 in FIG. 4 which is generated by Ribaunto vibrations is prevented. However, if the determination at SA5 is negative, the SA6 corresponding to the non-walking vibration determination means 46
Is executed.

In SA6, the latest generation cycle T_PIs calculated
Whether or not the issued walking vibration is a non-walking vibration depends on the
New occurrence cycle T_PHowever, the general walking cycle of living
Period range T set in advance to include_PmimOr T_PmaxTo
It is performed based on whether or not it exceeds. This judgment of SA6
If not, the routine is executed after SA10 is executed.
Is terminated. Due to non-walking motion
Walking signal S _PIs blocked. But,
If the determination in SA6 is affirmative,
And the generation period T of the walking vibration_PIs the basic value of
For example, the moving average value T within a section of about 10 steps_PAVIs calculated
It is.

Next, similar to SA6, the non-walking vibration
SA8 corresponding to the setting means 46 is executed. This SA8
Then, the latest generation cycle T_PThe walking vibration for which the
Whether or not it is a row vibration is the latest generation frequency of the walking vibration
T_PIs the moving average value within the predetermined number of steps section which is the basic value
T_PAVA predetermined cycle change range (T
_PAV−α) to (T_PAV+ Α)
Done. If the determination at SA8 is denied, SA
This routine is ended after step 10 is executed. This
Accordingly, the walking signal S generated by the non-walking motion
_PIs blocked. However, the judgment of SA8 is positive.
If it has been set, the S corresponding to the walking number counting means 42
In A9, the walking number counter CN_MPCounting content N
_MP"1" is added to the next step.
Line number counter CN_MPCounting content N_MPIs the number of steps
It is displayed on the character display 32.

As described above, according to this embodiment, the non-walking vibration judging means 46 (SA6, SA8) performs walking based on the walking vibration frequency information calculated by the frequency information calculating means 44 (SA4). It is determined whether or not the vibration (walking signal S _P ) detected by the vibration detecting means 40 (the movable weight device 18 and the vibration detecting switch 20) has a magnitude equal to or higher than a predetermined level due to the walking motion of the living body. If it is determined that the vibration having a magnitude equal to or greater than the predetermined level detected by the walking vibration detecting means 40 does not originate from the walking motion of the living body, the predetermined level detected by the walking vibration detecting means 40 Vibrations of the above magnitude are prevented from being counted by the walking number counting means 42 (SA9). For this reason, counting of non-walking vibrations not related to walking of a living body is prevented, and a highly accurate walking count value can be obtained.

Further, according to the present embodiment, the rebound determining means 48 (SA5) uses the frequency information calculating means 44.
Based on the frequency information of the walking vibration calculated in (SA4), the vibration having a magnitude equal to or higher than a predetermined level detected by the walking vibration detecting means 40 is included in the walking vibration generated in the living body at each walking operation of the living body. It is determined whether or not the vibration originates from rebound vibration, which is a higher-order vibration, and the vibration having a magnitude equal to or higher than a predetermined level detected by the walking vibration detecting means 40 is determined to be rebound vibration. In this case, the vibration having a magnitude equal to or larger than the predetermined level is prevented from being counted by the walking number counting means 42. For this reason, since the counting of the second and subsequent vibrations among the walking vibrations related to the walking of the living body is prevented, a highly accurate walking count value can be obtained.

Further, according to this embodiment, in SA6 corresponding to the non-walking vibration judging means 46, the generation period T _P of the calculated walking oscillation by the frequency information calculation unit 44 (SA4) is generally of a biological Since it is determined whether or not the period exceeds a period range T _{Pmim to} T _Pmax set in advance so as to sufficiently include a natural walking period, a short-period vibration that is not included in a general walking period of a living body is used. Alternatively, there is an advantage that counting of long-period vibrations is prevented.

Further, according to this embodiment, the Non-walking corresponding to the vibration detecting means 46 SA8, generation cycle T _P of the calculated walking vibrated by the frequency information calculation unit 44 (SA4) is biological gait vibration of since it is intended to determine whether the fundamental period for example whether more than a preset period variation range (T _PAV -α) to (T _PAV + α) around the moving average value T _PAV of the generation period T _P of In addition, there is an advantage that a vibration generated by a cycle change that is not included in a general range of a walking cycle of a living body is prevented from being counted as the number of steps.

Next, another embodiment of the present invention will be described. In the following description, the same parts as those in the above-described embodiment are denoted by the same reference numerals, and description thereof will be omitted.

FIG. 9 shows a configuration example of a pedometer 50 according to another embodiment, and FIG. 10 is a functional block diagram for explaining a main part of the control function of the arithmetic control circuit 22 of FIG. The pedometer 50 of the present embodiment is different from the pedometer 10 in that the walking vibration detecting means 40 includes the movable weight device 18, the vibration sensor 52, and the waveform shaping means 56. means 44 not only the fundamental period T _P of the walking vibration, that outputs a frequency spectrum, non-walk vibration judging means 46 is different in determining point non walking vibrations based on the frequency spectrum.

In FIG. 9, a vibration sensor 52 is constituted by a detection coil, a magnetic sensor, and the like, and continuously detects the vibration of the magnetized weight 16 which is moved up and down by the movable weight device 18, and an A / D converter. Operation control circuit 2 via 54
Supply to 2. In FIG. 10, the waveform shaping means 56 converts, for example, a section having a predetermined level or more in the output signal from the vibration sensor 52 as shown in the upper part of FIG. 3 into a pulse signal indicating an ON state as shown in the lower part of FIG. performs waveform shaping by supplies walking signal S _P to the step counting means 42.

Further, the frequency information calculation unit 44 outputs the generation period T _P of a predetermined level or higher vibration of the walking vibration output from the vibration sensor 52 to the rebound determination unit 48, is output from the vibration sensor 52 The frequency of the walking vibration is analyzed, and the frequency spectrum is output to the non-walking vibration determination means 46. This non-walking vibration determination means 46
Based on the characteristic waveform of the frequency spectrum output from the frequency information calculating means 44, the vibration having a magnitude equal to or higher than a predetermined level detected by the walking vibration detecting means 40 is a non-walking vibration not derived from the walking movement of the living body. Is determined,
Counting walking signal S _P is to be blocked at step counting means 42. The non-walking vibration determining means 46 identifies whether the frequency spectrum pattern output from the frequency information calculating means 44 has the same identity as the pre-stored walking pattern shown in FIG. 5, for example. If not, it is determined that the vibration is non-walking vibration.

According to the present embodiment, since non-walking vibration is determined based on the frequency spectrum included in walking vibration, there is an advantage that the influence of vibration of vehicles such as trains and automobiles can be suitably removed. .

Although one embodiment of the present invention has been described with reference to the drawings, the present invention can be applied to other embodiments.

For example, the movable weight device 18 used in the walking vibration detecting means 40 of the above-described embodiment includes the weight 16 guided by the guide case 12 so as to be movable in a linear direction.
Has been supported in a floating state by a pair of springs 14, but a weight is fixed to a distal end of an arm whose base end is rotatably supported about a horizontal axis, and the distal end of the arm is in a floating state. The weight may be provided so as to be movable in the vertical direction by being urged by a spring such that

In the above-described embodiment, the displacement or movement of the weight 16 which is moved up and down by the walking vibration is detected by the vibration detecting switch 20 such as a reed switch or the vibration sensor 52 such as a coil or a magnetic sensor.
A semiconductor displacement sensor in which a large number of magnetoresistive elements are arranged in one direction in a substrate may be used.

Further, the pedometers 10 and 50 of the above-described embodiment are used.
May be provided on a place other than the waist of a living body, for example, on a limb.

Further, the pedometers 10 and 50 of the above-described embodiment are used.
Is to output the counted number of steps on the numeric display 32, but may output the counted number of steps to an external device via a connection connector or a wireless transmission device.

The non-walking vibration judging means 46 and the rebound vibration judging means 48 of the aforementioned embodiment are
2, the walking signal S
The input of _{P to} the step counting means 42 may be blocked.

The above is merely an example of the present invention, and the present invention can be variously modified without departing from the gist of the present invention.

[Brief description of the drawings]

FIG. 1 is a block diagram illustrating an electrical configuration of a pedometer according to an embodiment of the present invention.

FIG. 2 is a functional block diagram illustrating a main part of a control function of the arithmetic and control circuit of FIG. 1;

FIG. 3 is a time chart showing a walking vibration and a walking signal for explaining an operation of the pedometer of the embodiment of FIG. 1 with respect to a normal walking vibration.

FIG. 4 is a time chart showing a walking vibration and a walking signal in order to explain an operation with respect to a walking vibration including a relatively large rebound vibration in the pedometer of FIG. 1;

FIG. 5 is a diagram showing a frequency spectrum of vibration generated during normal walking in the pedometer of FIG. 1;

FIG. 6 is a diagram showing a frequency spectrum of vibration generated during traveling in the pedometer of FIG. 1;

7 is a diagram showing a frequency spectrum of vibration generated when the pedometer of FIG. 1 is in a vehicle.

FIG. 8 is a flowchart illustrating a main part of a control operation of the arithmetic and control circuit in FIG. 1;

FIG. 9 is a diagram illustrating a configuration of a pedometer according to another embodiment of the present invention, and is a diagram corresponding to FIG.

10 is a functional block diagram for explaining a main part of a control function of the arithmetic and control circuit of the embodiment of FIG. 9, and is a diagram corresponding to FIG. 2;

[Explanation of symbols]

 10:50: Pedometer 40: Walking vibration detecting means 42: Walking number counting means 44: Frequency information calculating means 46: Non-walking vibration determining means 48: Rebound determining means

Claims (2)

[Claims] 1. A walking vibration detecting means for detecting a vibration having a magnitude equal to or higher than a predetermined level among walking vibrations periodically generated in a living body in synchronization with a walking movement of the living body, and the walking vibration detecting means detects the vibration. And a pedometer for outputting the number of walking counted by the walking number counting means, wherein the walking vibration detecting means includes a walking level counting means for counting the number of walking vibrations of the living body. Frequency information calculating means for calculating frequency information of the walking vibration every time a walking vibration having a size of is detected; and detecting the walking vibration based on the frequency information of the walking vibration calculated by the frequency information calculating means. It is determined whether or not the vibration of a predetermined level or more detected by the means is derived from the walking motion of the living body, and the vibration of the predetermined level or more detected by the walking vibration detecting means is determined. If it is determined that the motion is not derived from the walking motion of the living body, a vibration of a magnitude equal to or larger than a predetermined level detected by the walking vibration detecting means is prevented from being counted by the walking number counting means. A pedometer having a noise removing function, characterized by including a walking vibration determining means. 2. A walking vibration detecting means for detecting a vibration having a magnitude equal to or greater than a predetermined level among walking vibrations periodically generated in the living body in synchronization with a walking movement of the living body, and the walking vibration detecting means detecting the walking vibration. A walking number counting means for counting the number of walking vibrations of the living body, and a pedometer (registered trademark) for outputting the number of walking counted by the walking number counting means. Each time a walking vibration having a magnitude equal to or larger than a predetermined level is detected, frequency information calculating means for calculating frequency information of the walking vibration, based on the frequency information of the walking vibration calculated by the frequency information calculating means, The vibration having a magnitude equal to or higher than a predetermined level detected by the walking vibration detecting means is derived from rebound vibration, which is a higher-order vibration among walking vibrations generated in the living body for each walking operation of the living body. It is determined whether or not the vibration having a magnitude equal to or greater than the predetermined level detected by the walking vibration detecting means is the rebound vibration, and is determined to be equal to or greater than the predetermined level detected by the walking vibration detecting means. A pedometer having a noise removing function, comprising: a rebound determining means for preventing a vibration having a magnitude of from being counted by the walking number counting means.