JPH1173241A - Electronics - Google Patents

Abstract

(57) [Summary] [PROBLEMS] To provide a highly reliable coupling system in which a personal computer main body and an extender are not uncoupled when carried. When a power off operation is performed (# 21), a display for selecting whether to keep the electronic lock (electronic lock ON) or to release the electronic lock (electronic lock OFF) is displayed ( # 22), electronic lock ON / OF
F is selected (# 23). The electronic lock selection software may be any program. Here, when the electronic lock OFF is selected (# 24), the process of turning off the system is executed (# 25), and then the motor 30 is reversed (# 25).
26) Turn the locking lever 41 to the unlocking side, and
3 detects the release (# 27), the power of the device is turned off (# 28), and the process is terminated, and the device is ready to be separated (# 2).
9). When the electronic lock ON is selected in the electronic lock ON / OFF selection (# 24), the system is turned off (# 30), and then the power is turned off while the electronic lock is on. In this state, the main body 1 and the dilator 2 cannot be separated, and the united state is guaranteed.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

TECHNICAL FIELD The present invention relates to electronic equipment,
In particular, the present invention relates to an electronic device in which an electronic device main body (hereinafter, referred to as a main body) and an expander are configured to be detachable (removable).

[0002]

2. Description of the Related Art Conventionally, in order to extend the functions of a notebook personal computer or the like, a main body 1 is connected to an expander 2 having a built-in FDD, HDD, or expansion board as shown in FIG. And a connector (expansion-side connector) 4 for connection.

In recent years, there are many products having anti-theft lock holes 110 and 111 for hooking a commercially available Kensington lock 109 which is widely used as an anti-theft lock (FIGS. 3 and 5). As shown in FIG.
9 is wrapped around a desk or the like, and the lock portion is fixed to the device and locked. Reference numeral 112 denotes a key for the Kensington lock 109.

[0004]

In the prior art, a desktop personal computer is configured to be separated into a notebook personal computer and an extender. The dilator was intended to be kept on a desk and was large. In such a configuration, the connector 3 of the main body 1 is connected to the connector 4 of the expander 2 as shown in FIG.
It is only necessary to have a structure for coupling the main body 1 to the main body 1. At most, a sufficient combination can be performed by adding a locking member or the like so that the main body 1 does not come off.

[0005] However, in the era of notebook computers and the like, in addition to not only reducing the size of the main body by providing the necessary functions to the main body with the emphasis on portability, but also emphasizing portability even when combined with an expander. Therefore, there is a need for a highly reliable coupling system between the main body and the expander, which can be compactly configured, has good operability, and does not disengage when being carried.

Although notebook personal computers have become smaller and lighter and have improved portability, they are more susceptible to theft. As a theft prevention measure, a method using a Kensington lock, which is a commercially available antitheft lock, has become mainstream. However, in the conventional example, since the Kensington lock must be hung on each of the main body and the expander, it is necessary to purchase two anti-theft locks, it is troublesome, and it is necessary to increase the space for installing the lock cable.

[0007]

SUMMARY OF THE INVENTION The present invention comprises, firstly, a separating mechanism for performing the combining and separating, a separating mechanism locking position for preventing the movement of the separating mechanism in the combined state,
A separating mechanism locking member that can take a separating mechanism releasing position that does not hinder the movement of the separating mechanism; an electric driving unit that moves the separating mechanism locking member to the separating mechanism locking position and the separating mechanism releasing position; Having a drive control means for controlling the operation, whether the separation release operation of driving the separation mechanism lock member from the separation mechanism lock position to the separation mechanism release position by the electric drive means,
It is provided with a disengagement release selecting means that can be determined by the user.

When the power is turned off at the end of use of the uniting,
If the user selects the disengagement release operation as not to be performed (not to perform the release operation), the separation mechanism lock member remains at the position where the movement of the separation mechanism is prevented, and the separation cannot be performed. When the mobile phone is carried in the united state, it is prevented that the uniting is released easily, and the portability is improved. When the user wants to carry only the main body separately, if the user selects that the disengagement release operation is permitted (performs the release operation), the user can be separated.

Second, this user must be a specific user (who knows the password).

Third, in addition to the above, a locking portion for locking an anti-theft lock is provided on the main body, the dilator, or both the main body and the dilator. If the disengagement release operation is selected to disable the separation, the main unit and the dilator will be integrated, so if one anti-theft lock is applied to either the main unit or the dilator, both thefts can be prevented. It is something that can be done. Economical, space saving anti-theft.

[0011]

Next, an embodiment of the present invention will be described.

FIG. 1, FIG. 2, and FIG. 3 show an external configuration of a notebook personal computer according to an embodiment. The personal computer 1 has a display device 10, a keyboard input device 9, a hard disk drive 11, a floppy disk drive 12, and the like. The extender 2 includes a CD-ROM drive 13 and an extension board (not shown) for communication and sound sources. Extender 2
Has a fixed claw 5 on the right side of the upper surface thereof, and a movable claw 6 linked to an open / close type separation lever 8 which is a part of the separation mechanism on the left side. The connector 4 is arranged between the two movable claws 6 so as to be able to move slightly. 7 is a protruding pin,
It is arranged on both sides of the connector 4. Main body 1 shown in FIG.
On the back surface of the movable claw 6, a locking hole 14 for locking the fixed claw 5 is provided.
Hole 15 that engages with the projection pin 7 and the engagement hole 1 that engages with the protruding pin 7
6 are provided. Reference numeral 3 denotes a connector of the main body connected to the connector 4 of the expander 2.

Reference numeral 89 denotes a connector cover which covers the connector 4 of the extender 2 to protect the connector 4 when the extender 2 and the main body 1 are separated. When the extension device 2 and the main body 1 are combined, they are housed in the storage section 91 of the extension device 2. As shown in FIG. 3, the main body 1 and the extender 2 are provided with locking portions 110 and 111 for locking the anti-theft lock. In the present embodiment, a commercially available Kensington lock widely used as the anti-theft lock is used. Kensington Lock 10
FIG. 5 shows an example of using No. 9. The wire 119 is wrapped around a desk or the like, and a lock locking portion for locking to the device is inserted into a locking long hole 110 which is a locking portion provided on the device, and locked by a key 112. When the key 112 is turned by 90 ° (arrow L), the lock locking portion rotates 90 ° (arrow M), and the lock locking portion is locked inside the locking long hole 110.

FIGS. 6 and 7 show a method of combining the main body 1 and the expander 2. With the release lever 8 opened outward and the movable claw 6 tilted outward, the right locking hole 14 of the main body 1 is hooked on the fixed claw 5 of the expander 2, and then the left side of the main body 1 is lowered to connect the connector 3. Connect. Then, when the separating lever 8 is closed,
The movable claw 6 is locked in the locking hole 15, and the uniting is completed. Since the movable claw 6 is locked to the main body 1 by the opening / closing type separation lever 8, the united state can be reliably recognized by bodily sensation.

8 to 15 show a movable claw 6, a connector 4,
3 shows a configuration of a separation mechanism unit of the dilator 2 including a separation lever 8 and the like. 8 to 10 are overall views of the unit, and FIG.
FIGS. 1 and 12 are drive mechanism diagrams of a locking lever (hereinafter referred to as a locking lever) which is a separation mechanism locking member. FIGS. 13 to 15 show interlocking of the separation lever 8 with the movable pawl 6 and the separation cap 26. FIG.

First, the interlocking of the separating lever 8, the movable claw 6, and the separation cap 26 will be described. 8 to 10, the separation lever 8 is moved by the separation lever shaft 52 to the upper chassis 28.
And the lower chassis 29 so as to be rotatable in the horizontal direction. When the separating lever 8 is opened to the position B in FIG. 13, the stopper 78 of FIG. 14 provided on the back of the fan 64 abuts against the stopper 79 of the lower chassis, and does not open any more.
Conversely, when the separating lever 8 is closed, the separating lever locking projection 48 is engaged with the bracket locking projection 49. The movable claw 6 is formed integrally with the claw body 63 (FIGS. 13 and 15), and is rotatably attached to the lower chassis 29 by a movable claw shaft 50. The separation cap 26 is positioned and fixed to the upper chassis 28 by a positioning boss 66 (FIG. 14) and a locking claw 65 (FIG. 14). The separation lever 8 has a fan-shaped cam shape around the center of rotation.
Release cam 54 (FIG. 14), lock cam 55 (FIG. 14)
Has a cam profile whose height changes in proportion to the rotation angle. The cam 53 is a lift-up cam for the separation cap 26.

The cam operation will be described with reference to FIGS. When the release lever 8 is closed, the movable claw roller 68 is pushed up by the lock cam 55, and then abuts on the straight portion 80 of the lock cam 55, so that the movable claw 6 is at a position where it is locked to the main body (FIG. 15). In the upright position as shown by the solid line). In this state, the position and posture of the separating lever 8 and the movable claw 6 are stabilized at the locked position by the reverse taper 87. Here, the roller 68 is rotatably attached to the claw body 63 of the movable claw 6 by a roller shaft 69. More specifically, the roller 68 is provided so as to protrude laterally at a central portion of the claw body 63, is rotatably attached to a roller shaft, and engages with the lock cam 55 or the release cam 54. When the separating lever 8 is opened, the release cam 54 pushes down the roller 68 (that is, the pawl main body 63 is moved to the movable shaft 5).
The roller 68 comes into contact with the straight portion 81 of the release cam 54 at the position A. At this time, the movable claw 6 is at the position G in FIG. 15 (in an inclined state indicated by a broken line), and the engagement with the main body 1 is released. When the separating lever 8 is further opened to the position B, the cam 53 pushes up the lift slope 67 of the separation cap. The separation cap 26 is an elastic plastic member. At this time, the cap head is raised by elastic deformation, pushing up the main body 1 and separating the connector of the main body 1 and the connector of the dilator 2. When the separating lever 8 is closed, the lock cam 55 pushes up the roller 68 to move the movable pawl 6
Is locked to the main body 1.

FIGS. 11 and 12 show a configuration related to a locking lever that prevents the release lever 8 from opening when the release lever 8 is closed (prevents the movement of the release mechanism).
The locking lever 41 is locked to the receiving portion 47 of the separation lever 8 in a state where the separation lever 8 is closed (see also FIG. 8), and prevents the separation lever 8 from opening. The locking lever 41 and the locking sensor lever 44 are integrally formed via a horizontal shaft 58, and the bracket 31 (FIGS.
0) is rotatably mounted. Reference numeral 40 denotes a locking lever drive cam, which is a helical gear 5 via a horizontal shaft 57.
6 and is rotatably attached to the bracket 31 by a shaft 57. The deceleration worm 39 and the deceleration helical gear 38 are formed integrally with the shaft 60, and are rotatably attached to the bracket 31. Reference numeral 30 denotes a motor as electric drive means. 37 is a motor 30
The motor 30 is mounted on a bracket 31. The worm 37 of the motor 30 is engaged with the reduction helical gear 38, and the reduction worm 39 formed integrally with the reduction helical gear 38 via the shaft 60
It is engaged with the helical gear 56. Therefore, the motor 3
The rotation of 0 is transmitted to the helical gear 56 through the reduction helical gear 38 and the reduction worm 39, and further transmitted from the helical gear 56 to the locking lever drive cam 40. here,
When the motor 30 is rotated forward, the locking lever drive cam 4
Numeral 0 rotates in the I direction in FIG. 11, and when the motor 30 is rotated in the reverse direction, the locking lever drive cam 40 is configured to rotate in the J direction in FIG. 82 (FIG. 1
2) is an arm united with the locking lever 41 and driven by the cam 40. Reference numeral 61 denotes a sensor cam that is integral with the locking sensor lever 44 and that turns the locking sensor 43 on and off.

When locking the separating lever 8, the motor 30 is rotated forward and the cam 40 is rotated in the I direction. At this time, the arm portion 82 of the locking lever is released from contact with the cam 40, and the locking lever 41 is locked to the receiving portion 47 by the urging force of the tension coil spring 45 (separation mechanism lock position), and the sensor cam 61. Pushes the switch of the sensor 43 to the ON state. The drive of the motor 30 is stopped by the detection of the ON signal. To release the lock, the motor 30 is rotated in the reverse direction, and the cam 40 is rotated in the J direction. The cam 40 pushes up the locking lever arm 82, and the locking lever 41 moves to the position E (indicated by a broken line in FIG. 12) (the release mechanism release position) to release the locking to the release lever 8. When the OFF of the sensor 43 is detected, the driving of the motor 30 is stopped.

FIGS. 16 and 17 show the locking portion on the main body side where the movable claw 6 is locked. FIG. 3 is a schematic view of a state where a movable claw 6 is locked to a main body 1. 100 is a locking plate fixed to the main body,
Reference numeral 102 denotes a locking piece of a sliding member that covers the locking plate 100, and the movable claw 6 is locked.

Next, a control system for driving the locking lever 41 (hereinafter referred to as an electronic lock) will be described. FIG. 18 is a block diagram. The main body 1 has a CPU 1 that performs processing of a personal computer, and controls various timings, reads and writes data, executes various instructions, and the like. The ROM 410 stores various programs, control tables, and the like. The RAM 420 is used as a work area of the CPU 1. 610 is HD
D, etc., which stores application software and various data. The password information of the user is also stored in the storage device 610. The display device 510 is an LCD display. As an input means, an input device 710 such as a keyboard 9 and a mouse is provided. The main body 1 and the extender 2 are connected via docking connectors 3 and 4. In the expander, a system device (not shown) is connected to the controller. The extender 2 has a controller unit 108 that monitors signals from the connection terminal detection terminal S1, the separation lever detection sensor S2, and the locking lever detection sensor S3, controls the driving and stopping of the motor M1, and determines the united state. Then, it is determined whether or not the expander 2 can be processed. S2 is the separation lever sensor 42 (FIG. 8), S3 is the locking sensor 43, and M1 is the motor 30. The separation lever sensor 42 is actuated by a sensor projection 46 (FIG. 8) protruding inward near the separation-side tip of the separation lever 8, and when the separation lever 8 is closed, the separation lever sensor 42 is turned off. Turn ON.

FIG. 19 is a diagram showing an example of connector connection detection. The body-side connectors Pin1 and Pin2 are set to GND short, and the machine-side connectors Pin of the opposing extender 2 are connected.
1, Pin2 is defined as GND and the detection terminal S1. Normal S
1 applies a potential and detects GND at the time of connection.

FIG. 20 is a block diagram related to the electronic lock driving of the controller unit 108. In the figure, reference numeral 200 denotes an MCU constituted by a one-chip microcomputer, etc.
210, RAM 220, timer 230, input port unit 2
50, an output port 260, and the like. ROM 21
0 stores a program of the MCU 200 or various tables for motor control. RAM 220 is MC
Used as a work area for U200. A timer 230 is used to generate various control timings of the motor M1. Reference numeral 250 denotes an input port unit having input port units 251, 252, and 253 connected to the sensors S1, S2, and S3, respectively. An output port 260 is an output port 261 connected to the direction switching terminal 301 of the motor driver 300, an output port 262 connected to the brake terminal 303 of the motor driver 300, and an output port 260.
Output port 2 connected to the drive enable terminal 302
63. A motor driver 300 drives the motor when a high level is input to the enable terminal 302, and stops driving the motor when a low level is input. The motor driver 300 has a direction switching terminal 301. When a high level is input to this terminal, the motor rotates forward, and when a low level is input, the motor rotates reversely. When a high level is input to the brake terminal 303, the motor M
The brake is applied by short-circuiting both ends of the winding No. 1 and the brake is released when a low level is input.

FIG. 21 shows a flow when the electronic lock is applied. Each step in this flow is abbreviated as “#”. First, the separating lever 8 is opened (# 1) to bring the movable claw 6 of the dilator 2 to the position at the time of the union, and the main body 1 and the dilator 2
(# 2). Connector 3 of main body 1 and expander 2
4 are fitted, and connector connection is detected (S1: ON).
(# 3). Next, when the separating lever 8 is closed (# 4), FIG.
As shown in (2), the sensor projection 46 of the separation lever 8 turns on the separation lever sensor 42, and detects that the separation lever 8 is closed, that is, that the movable claw 6 is locked to the main body 1 (S2: ON). (# 5). When the combination is recognized in S1 and S2, the motor 30 is driven to lock the locking lever 41 with the separating lever 8 (# 6). When locked, the lock sensor S3 is turned ON (# 7), and the controller determines that the lock is completed (# 8). Here, the controller is the main unit CP
A processing enable signal is sent to U1 to enable processing with devices of the expander 2 not shown in the block diagram.

FIG. 22 shows a flow of releasing the electronic lock when the main unit 1 and the expander 2 are separated during use of the device. When an unlock signal is issued from the main unit 1 or the extension unit 2 by a user's input (# 11), the CPU 1 and the controller cooperate to perform a process necessary for enabling the main unit and the extension unit to be separated (#). 12). When the processing is completed, the controller rotates the motor in the reverse direction (# 13), the locking lever 41 is turned to the unlocking side, and the process is completed when the sensor S3 detects the release (# 14, # 15). The electronic lock release operation is shown in FIG.
8 may be performed by the keyboard 9 or the input device 710, but release switches 820 and 830 may be provided on the main body side, the expander side, or both.

FIGS. 23 and 24 show a control flow of the electronic lock when the power is turned off in the combined use state. First, FIG.
3 will be described. When the power off operation is performed (# 2
1) Leave the electronic lock on (electronic lock O
N) or release the electronic lock (electronic lock OF
A display for selecting F) is displayed (# 22), and electronic lock ON / OFF is selected (# 23). The electronic lock selection software may be any program. Here, if the electronic lock OFF is selected (# 24), the system OFF process is executed (# 25), and then the motor 30 is reversed (# 26), and the locking lever 41 is turned to the unlocking side, When the sensor S3 detects the release (# 27), the power of the device is turned off (# 28), the processing is completed, and the apparatus is ready for separation (# 29). When the electronic lock ON is selected by the electronic lock ON / OFF selection (# 24), the system OF
After executing the F process (# 30), the power is turned off while the electronic lock is being applied. In this state, the main body 1 and the dilator 2 cannot be separated. That is, the united state is guaranteed.

FIG. 24 shows another example of the electronic lock selection flow. Whether the electronic lock is ON or OFF is set in advance. The software to be set may be any program. The settings are stored in the storage device 610. Power O
When the FF operation is performed (# 41), the electronic lock is turned ON / O.
If the setting of the FF is read out and the electronic lock setting is OFF (# 42), the system is turned off (# 43), and then the motor 30 is reversed (# 44) and the locking lever 41 is moved to the unlocking side. And when the sensor S3 detects the release (#
45), the power is turned off after the electronic lock is released (# 46), and if the electronic lock is ON, the system is turned off and the power is turned off with the electronic lock applied (# 49). The user who always carries the united state can prevent the inadvertent united release by setting the electronic lock ON, so that the user can carry it safely. Also, if the user who carries only the main body is set to the electronic lock OFF, the electronic lock can be separated at any time after the power is turned off, which is convenient.

FIGS. 25 and 26 show the electronic lock ON / OFF.
Is limited to only the user.

FIG. 25 shows the power-off electronic lock ON /
13 shows an OFF selection flow. This is the same as the example of FIG. 23 except that a password is required to release the electronic lock.
The software for setting or canceling the password may be any program that prevents use by a third party. The password preset by the user is stored in the storage device 610. After the power-off operation (# 61), a display as to whether the electronic lock is kept on or the electronic lock is released is made (# 62), and when the electronic lock is turned off (released) (# 63, # 63). 64), a password input screen is displayed, and a password is input (# 65). It is determined whether the password is correct (# 66). If the password is correct, the power is turned off after the electronic lock is released after the system OFF process (# 67 to # 71). If the password is incorrect, but it is determined whether or not to give up releasing the electronic lock (# 72), if the user wishes to further release the electronic lock, the user reenters the password. If the electronic lock release is abandoned, the power is turned off while the electronic lock is still applied after the system OFF process (# 73 to # 75). As described above, the electronic lock can be released only by the user who has set the password, that is, only the user can release the combined state of the main body and the expander.

FIG. 26 is an example of a separation flow in the case where a password is input when the separation is performed while the main body is in use. After performing the electronic lock release operation (# 81), the user inputs a password (# 82), determines whether or not the password is correct (# 83), and if the password is correct, a separation is possible (# 84). ~ # 87). If the password is not correct, re-enter or abandon the separation (# 88, # 8)
9).

According to the embodiment shown in FIGS. 25 and 26, a user other than a specific user can use the main body 1 whether the apparatus is used or not.
And the expansion unit 2 cannot be unionized. Therefore,
If an anti-theft lock such as a Kensington lock is applied to only one of the main body and the dilator, the other is also anti-theft. In addition, since they cannot be separated, in addition to preventing theft of the device, theft of the memory and the devices from the back surface of the main body and the upper surface of the expander can be prevented.

[Correspondence between the Invention and the Embodiment] The separating mechanism according to the present invention includes the movable claw 6, the connector 3,
4. Similarly, the locking mechanism lock position corresponds to the configuration including the separating lever 8, and the locking mechanism is similarly rotated to rotate the motor 30 forward in the I direction to lock the separating lever 8 in the embodiment. When rotated, the locking lever 41
The arm 82 is released from the abutment of the cam 40, and corresponds to a position where the locking lever 41 is locked to the receiving portion 47 by the urging force of the tension coil spring 45, and the releasing mechanism releasing position is also the releasing lever 8 When the motor 30 is rotated in the reverse direction and the cam 40 is rotated in the J direction to release the lock of
The locking lever drive cam 40 pushes up the locking lever 41 and the arm 82, and the position E where the locking lever 41 moves (broken line in FIG. 12).
And the separating mechanism locking member is provided with a locking lever 4
The electric driving means for moving the locking member to the separation mechanism locking position and the separation mechanism releasing position corresponds to the motor 30, and the drive control means for driving the operation of the motor 30 includes Lever drive cam 40, arm 8
2. This corresponds to a configuration including the locking sensor 43 and the locking sensor cam 61.

Further, the disengagement release selecting means of the present invention corresponds to the respective flows shown in FIGS. 23 to 26 which are processed via the keyboard 9 or the input device 710 or the release switch 820 or 830 in the embodiment.

Further, the locking portion of the present invention corresponds to the Kensington lock 109 and the wire 119 in the embodiment.

[0035]

As described above, according to the claims of the present invention, it is possible to obtain an electronic device having high reliability of integration in an electronic device which can be separated and combined.

In addition, an electronic device that can easily and economically provide anti-theft in a small space can be obtained.

[Brief description of the drawings]

FIG. 1 is a diagram illustrating an external configuration of a main body and an expander according to an embodiment of the present invention.

FIG. 2 is a bottom view of the main body according to the embodiment of the present invention.

FIG. 3 is a diagram illustrating an external configuration of a main body and an expander according to the embodiment of the present invention.

FIG. 4 is a perspective view of a conventional electronic device.

FIG. 5 is a diagram showing an example of use of a conventional anti-theft lock.

FIG. 6 is a side view for explaining a method of combining a main body and an expander according to an embodiment of the present invention.

FIG. 7 is a side view for explaining a method of combining a main body and an expander according to an embodiment of the present invention.

FIG. 8 is a plan view showing a uniting mechanism inside the dilator according to the embodiment of the present invention.

FIG. 9 is a side view showing a uniting mechanism inside the dilator according to the embodiment of the present invention.

FIG. 10 is a side view showing a uniting mechanism inside the dilator according to the embodiment of the present invention.

FIG. 11 is an explanatory diagram of a locking lever mechanism according to an embodiment of the present invention.

FIG. 12 is an explanatory diagram of a locking lever mechanism according to an embodiment of the present invention.

FIG. 13 is a view for explaining that the movable claw and the separation cap are driven by the cam-shaped portion of the separation lever according to the embodiment of the present invention.

FIG. 14 is a diagram for explaining that a movable claw and a separation cap are driven by a cam-shaped portion of a separation lever according to an embodiment of the present invention.

FIG. 15 is a diagram for explaining that the movable claw and the separation cap are driven by the cam-shaped portion of the separation lever according to the embodiment of the present invention.

FIG. 16 is a diagram illustrating locking of a movable claw to a main body according to an embodiment of the present invention.

FIG. 17 is a diagram illustrating locking of a movable claw to a main body according to an embodiment of the present invention.

FIG. 18 is a block diagram of a control system for merging / separation according to an embodiment of the present invention.

FIG. 19 is a diagram illustrating an example of detection of a united connector according to an embodiment of the present invention.

FIG. 20 is an electronic lock drive block diagram of a controller unit according to an embodiment of the present invention.

FIG. 21 is a flowchart at the time of merging according to an embodiment of the present invention.

FIG. 22 is a separation flowchart in a device use state according to an embodiment of the present invention.

FIG. 23 is a flowchart of an electronic lock selection at the time of power OFF according to an embodiment of the present invention.

FIG. 24 is an electronic lock selection flowchart at power-off according to an embodiment of the present invention.

FIG. 25 is an electronic lock selection flowchart that requires a password when the power is turned off according to an embodiment of the present invention.

FIG. 26 is a separation flowchart that requires a password in a device use state according to an embodiment of the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Main body 2 Extender 3 Main body connector 4 Extender connector 5 Fixed claw 6 Movable claw 7 Engagement pin 8 Separation lever 9 Keyboard 14 Claw lock hole on bottom of body 15 Claw lock hole on bottom of body 16 Pin engagement hole 27 Separation Cap head 28 Upper chassis 29 Lower chassis 30 Motor 32 Step screw 34 Connector board 35 Damper rubber 36 Sliding sheet 40 Lock lever drive cam 41 Lock lever 42 Release lever sensor 43 Lock sensor 44 Lock sensor lever 45 Lock spring 47 Lock sensor receiving portion 50 Movable claw shaft 52 Separation lever shaft 53 Cap lift cam 54 Release cam 55 Lock cam 59 Lock portion 61 Lock sensor cam 63 Movable claw main body 67 Cap cam 68 Cam roller 69 Roller shaft 76 Bit insert boss 77 Board hole 85 Taper part of locking lever 86 Release Lever chamfered portion 87 Urging cam 88 Stopper portion 89 Connector cover 90 Connector guide pin 91 Storage portion 92 Mounting boss 100 Locking plate 101 Locking plate locking portion 102 Locking piece 103 Positioning portion 104 R shape 105 Inviting taper 107 Positioning unit 108 Controller unit 109 Anti-theft lock 110 Anti-theft lock hole 111 Anti-theft lock hole 112 Key 119 Wire 410 ROM 420 RAM 510 Display device 610 Storage device 710 Input device 820, 830 Release switch

Claims (3)

[Claims] An electronic device for detachably combining a main body and an expander, a separating mechanism for performing combining and separation, a locking mechanism locking position for preventing movement of the separating mechanism in a combined state, and a movement of the separating mechanism. A release mechanism lock position capable of taking a release mechanism release position which does not prevent the release mechanism, an electric drive means for moving the release mechanism lock member to the release mechanism lock position and the release mechanism release position, and an operation of the electric drive means. Disengagement release selecting means having a drive control means, wherein the user can determine whether or not a disengagement release operation can be performed by driving the separation mechanism lock member from the separation mechanism lock position to the separation mechanism release position by the electric driving means. An electronic device comprising: 2. The electronic device according to claim 1, wherein the user is a specific user. 3. The electronic apparatus according to claim 1, further comprising a locking portion for locking an anti-theft lock on the main body, the expander, or both the main body and the expander.