JPH11144447A - Electronic device having a cover body and system device in which one device is connected to the connecting portion of the other device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To prevent leakage of light and realize energy saving by providing a power feeding control means without any change of design for the external surface of device in order to eliminate display by the display means with the power feeding control means when display is unnecessary. SOLUTION: An electronic device having a cover body 9 supported by the body 8 comprises a display means 9a provided at the internal surface of cover body 9 for the purpose of display when the power is fed, a lock member 14 for locking the cover body 9 to the closed position, a portion 9 to be pressed which is provided at the inside of body 8 and is pressed by the lock member 14 when locked and a power feeding control means 20 for cutting off the power feeding to the display portion when the part 24a to be pressed is pressed.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an electronic device having a cover and a system device in which one device is connected to a connection portion of another device. Specifically, a technique for providing power supply control means without changing the design of the outer surface of the device and preventing display of the display unit by the power supply control means when unnecessary, thereby preventing light leakage and energy saving, etc. About.

[0002]

2. Description of the Related Art For example, a portable device having a limited function to be mounted with emphasis on portability is provided with the same function as a stationary device by connecting the portable device indoors. There is a device called a station that functions as an adapter that can do this.

[0003] Such stations include, for example, M
There is a device called an MD station to which a D (mini disc) recording / reproducing device is connected.

The MD station is used by connecting an MD recording / reproducing device to a connection portion formed in a main body of the MD station, and functions that are not often mounted on the MD recording / reproducing device, such as giving a disc name, The MD recording / reproducing apparatus can be provided with various editing functions such as assigning a song title, changing the song order, and deleting a song.

[0005] The connection of the MD recording / reproducing apparatus to the MD station is performed by connecting the MD recording / reproducing apparatus to a connection recess (connection portion) of the MD station formed corresponding to the outer shape of the MD recording / reproducing apparatus, ie, a thin box. The MD recording / reproducing apparatus is operated by operating various operation buttons provided on a portion of the main body of the MD station where no connection portion is formed in such a connected state. The above-described various editing functions are executed for the MD mounted inside the.

In the above-mentioned MD station, a cover having a liquid crystal display portion is provided on an inner surface thereof for opening and closing a connecting portion formed on a main body portion, and the cover is provided with a lock provided on a side edge of the inner surface. Some are locked at a closed position by a lock mechanism having a member. When the cover is opened, it has a liquid crystal display on its inner surface to function as a display for executing the above-described various editing functions, and is closed when the MD recording / reproducing device is connected to the connection. When it is done, it functions as a protective cover for protecting the MD recording / reproducing device.

[0007]

The liquid crystal display section formed on the inner surface of the cover body can be displayed by turning on a backlight disposed inside the cover body. Since various operation buttons are provided on the outer surface of the portion where the connection portion is not formed, various operations can be performed even when the cover body is closed, and in this case, the display of the liquid crystal display portion Is unnecessary.

However, in the conventional MD station, power is supplied to the backlight even when the cover is closed, unless the original power supply is turned off, and the gap between the cover and the main body is not provided. Light leaks from the device, thereby deteriorating the quality of the device, and is a factor that wastes power and prevents energy saving.

Therefore, power is supplied to the backlight when the cover is open, and power supply to the backlight is cut off when the cover is closed. In some cases, a dedicated switch for controlling power supply to the backlight is provided on the outer surface.

However, if a dedicated switch is provided on the outer surface of the MD station, the design of the outer surface of the MD station must be changed in consideration of the arrangement space of the switch, and the arrangement space is reduced. The inconvenience that the MD station becomes large in size corresponding to the necessary securing occurs. Further, there is a disadvantage that the switch appears on the external appearance of the MD station and is restricted by design.

Therefore, a system device in which one device is connected to a connection portion of an electronic device having the cover body of the present invention and the other device overcomes the above-mentioned problems and requires a design change of the outer surface of the device. It is another object of the present invention to provide a power supply control means and prevent the display of the display unit from being performed by the power supply control means when unnecessary, thereby preventing leakage of light, energy saving, and the like.

[0012]

SUMMARY OF THE INVENTION In order to solve the above-mentioned problems, an electronic apparatus having a cover body according to the present invention comprises a display section provided on an inner surface of the cover body and displayed by being supplied with power, and a cover section. A lock member that locks in the closed position;
Power supply control means provided inside the main body and having a pressed portion pressed by the lock member when the cover body is locked, wherein power supply control means for interrupting power supply to the display portion when the pressed portion is pressed. Things.

Further, in a system device in which one device is connected to a connection portion of the other device of the present invention, a display portion provided on an inner surface of the cover and displayed by being supplied with electric power, A lock member that locks the cover in the closed position, and a pressed portion that is provided inside the main body and that is pressed by the lock member when the cover body is locked, and power is supplied to the display unit when the pressed portion is pressed. And power supply control means for shutting off the power supply.

Therefore, in an electronic device having the cover of the present invention and a system device in which one device is connected to a connection portion of the other device, power is supplied to the display portion when the cover is closed. Instead, power is supplied to the display unit when the cover is opened.

[0015]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of an electronic device having a cover according to the present invention and a system device in which one device is connected to a connection portion of the other device will be described below with reference to the accompanying drawings.

In the embodiment described below, an electronic apparatus having the cover of the present invention is applied to an MD station to which a portable MD recording / reproducing apparatus is connected and whose functions can be expanded. A system device in which one device is connected to a connection portion of the other device of the present invention is applied to a system device in which the MD recording / reproducing device is one device and the MD station is the other device. is there.

As shown in FIG. 1, the MD recording / reproducing apparatus 1 has a horizontally-long rectangular shape and a thin box-like shape, and is provided with various mechanisms inside a main body side housing 2. A mounting portion (not shown) for mounting is provided.

A lid 3 is rotatably supported on the body side body 2 with its rear end as a pivot point. The lid 3 is rotated by a leaf spring (not shown) toward the open position. Has been energized. Then, the lid 3 is locked by a lid locking mechanism (not shown), and the closed state is maintained.
By sliding the lid opening knob 4 slidably supported on the front surface of the main body side body 2 in one direction, the lock by the lid locking mechanism is released and the lid is opened.

The lid 3 is opened to a certain extent by operating the lid opening knob 4.
Is opened (see FIG. 1). From this state, the lid 3 is completely opened by grasping the lid 3 and manually rotating the lid 3 upward, so that the MD is inserted and removed. The MD 5 can be opened, and the MD can be inserted and removed with the lid 3 completely opened.

The lid opening knob 4 has a right-side portion protruding forward to facilitate sliding operation to the right, and a shallow engaging recess 6 opening leftward at the protruding portion.
Are formed (see FIG. 1). The lid-opening knob 4 is urged to move leftward by a spring member (not shown). When the operation on the lid-opening knob 4 is completed, the lid-opening knob 4 is moved by the spring force of the spring member. It returns to its original position.

As shown in FIGS. 2 and 3, the MD station 7 has a main body 8 and a cover 9, and a connection portion 10 having a horizontally long rectangular concave shape is formed on a part of the upper surface of the main body 8. The MD recording / reproducing apparatus 1 is mounted on the bottom surface 10a of the connection section 10 and connected thereto. And MD Station 7
When the MD recording / reproducing device 1 is connected to a portion of the upper surface of the main body 8 where the connecting portion 10 is not formed, various functions such as the assignment of a disc name, the assignment of a song name, and the change of song order are provided. , A plurality of operation buttons 8a, 8a,... For executing various editing functions such as erasing music.

The cover 9 has a rear end rotatably supported by the main body 8 so that the connection 10 can be opened and closed by rotating the cover 9. A liquid crystal display section 9a is provided on the inner surface of the cover body 9, and the liquid crystal display section 9a functions as a display screen when executing the various editing functions described above. If the cover 9 is closed while the MD recording / reproducing apparatus 1 is connected to the connection section 10 of the main body section 8, the cover 9 also serves as a protective cover for protecting the MD recording / reproducing apparatus 1 connected to the connection section 10. Function.

The display on the liquid crystal display unit 9a is performed by the cover 9
Is made possible by supplying power to a backlight (not shown) arranged inside the device.

The MD station 7 of the MD recording / reproducing apparatus 1
Connection to the MD recording / reproducing apparatus 1 and the MD station 7
The MD recording / reproducing device 1 is mounted on the bottom surface 10a of the connecting portion 10 by a lock mechanism (not shown) provided on the bottom surface 10a, and the MD recording / reproducing is performed in the locked state. Lower surface of device 1 and MD
The connectors (not shown) provided on the bottom surface 10a of the station 7 are connected to each other.
And the MD station 7 are electrically connected.

MD recording / reproducing apparatus 1 and MD station 7
Are electrically connected to each other to supply a current for rotating the MD from the MD station 7 to the MD recording / reproducing apparatus 1, and to perform various editing operations between the MD recording / reproducing apparatus 1 and the MD station 7. A control signal, a recording signal, and a reproduction signal for performing the function and recording or reproducing the mounted MD are exchanged.

As shown in FIGS. 2 and 3, a support wall 11 having an internal space is provided at the front end of the connecting portion 10 of the MD station 7, and an unillustrated operation is provided on the rear surface of the support wall 11. A hole is formed.

An operation knob 12 is slidably supported on the upper surface of the support wall 11. In the operation knob 12, the operation unit 13 disposed on the upper surface of the support wall 11 is moved rightward from a position where the slide operation is not performed (hereinafter, referred to as a “reference position”), that is, A shown in FIG. When the slide operation (first operation) is performed in the direction, the lock mechanism that has locked the MD recording / reproducing apparatus 1 is unlocked, and the MD recording / reproducing apparatus 1 can be detached from the MD station 7 and can be referred to. From the position, the operation unit 13 is on the left, that is,
When the slide operation (second operation) in the direction B shown in FIG. 3 is performed, the lid 3 of the MD recording / reproducing apparatus 1 can be opened while the MD recording / reproducing apparatus 1 is connected to the MD station 7. It serves as an operating means capable of performing an operation.

The lid 3 is opened when the MD recording / reproducing apparatus 1 is connected to the connection section 10 when the second operation of the operation knob 12 is performed. The pivoting member of the lid opening mechanism (not shown) is pivoted, and the action portion of the pivoting member projects outside through the operation hole of the support wall 11 to engage with the lid opening knob 4 to open the lid. This is done by pressing the knob 4 to the right.

A lock member 14 is disposed at a position near the front end of the left edge of the inner surface of the cover body 9 so as to be movable in the left-right direction (see FIGS. 2, 3, 7, and 8).

The lock member 14 has a first portion 15 extending in the surface direction of the cover 9 and a second portion 16 extending in a direction perpendicular to the surface of the cover 9. And
The lock member 14 is provided with a second portion 16 continuously from the right end of the first portion 15, the left end 15 a of the first portion 15 is slightly protruded from the left surface of the cover body 9, The portion excluding the base end of the portion 16 is disposed on the cover 9 in a state protruding from the inner surface of the left edge of the cover 9. As shown in FIG. 7, the second portion 16 has an engagement claw 16a formed by projecting leftward as the lower end thereof goes upward, and the engagement claw 16a is formed of a cover body. 9 is displaced leftward as it approaches the inner surface of No. 9
And an engaging surface 16c that faces the inner surface of the cover body 9 following the sliding contact surface 16b (see FIG. 7).

The lock member 14 is not shown, but
A part arranged in the cover body 9 is formed in a shape having a spring force, whereby a moving force to the left is urged to the lock member 14. As described later, the cover 9 is locked at the closed position by the engagement of the lock member 14 with a part of the main body 8 of the MD station 7. The lock is released by pressing the left end portion 15a of the first portion 15 rightward. Therefore, the left end portion 15a of the first portion 15 is It functions as an operation unit pressed when releasing the lock.

An insertion hole 17 is formed in the upper surface of the left end portion of the main body 8 of the MD station 7. The insertion hole 17 allows the second portion 16 of the lock member 14 to be inserted when the cover 9 is closed. It is the part that is done.

A portion 18 on the left side of the main body 8 at the front end where the insertion hole 17 is formed is formed so as to be recessed downward, and the portion 18 is located at the rear and has a vertical wall portion 18a facing the front-rear direction. And an arc-shaped arc wall portion 18b located in front thereof (see FIGS. 2, 3, 7, and 8). An arc portion 1 which is continuous with the arc wall portion 18b and a portion between the arc wall portion 18b and the support wall 11 is also formed in an arc shape.
9 (see FIG. 3).

The portion 18 is connected to the MD recording / reproducing apparatus 1 by the connecting portion 10 of the MD station 7 and the cover 9.
The headphone is connected to the MD recording / reproducing apparatus 1 so that the headphone can be used even when the headphone is closed.

The power supply control means 2 is provided at the left end inside the main body 8.
0, and the power supply control means 20 includes a rotating lever 21 and a backlight switch 22 (see FIG. 7).

The rotating lever 21 has a shaft 23, an extending portion 24, a projecting portion 25 and a projecting portion 26 integrally formed (see FIGS. 4, 5 and 6).

The shaft portion 23 extends in the left-right direction, and has supported protrusions 23a, 23a projecting from both left and right end surfaces.

An extension 24 projects from the left half of the shaft 23 substantially rearward. The extension 24 has a substantially L-shape as viewed from the left side, and has a front end. It is continuous with the shaft portion 23. The upper end 24a of the portion of the extension 24 extending in the substantially vertical direction is formed as a pressed portion pressed by the lock member 14 when the cover 9 is closed.

The protruding portion 25 is a pressed portion 24a of the extension portion 24.
Is provided so as to protrude substantially forward from a portion slightly below.

The protruding portion 26 is provided so as to protrude substantially obliquely upward from the portion other than the right end of the shaft portion 23, and is formed to protrude upward stepwise toward the right. The lower edge 26a of the right end of the projecting portion 26 is formed as a receiving edge to which one end of a torsion coil spring described later is elastically contacted. The upper end 26b of the right end of the protruding portion 26 is formed as a pressing portion for pressing an operation element of the backlight switch 22 which will be described later.

The arc 1 of the main body 8 of the MD station 7
The support portion 27 protrudes downward from a position near the front end 9. A switch board 28 is disposed above the front end inside the main body 8, and the backlight switch 22 is fixed to the switch board 28.

The backlight switch 22 includes a housing 22a.
And a control 22b, and the housing 22a is supported on the upper surface of the rear end of the switch board 28. The backlight switch 22 turns off the power supply to the backlight in a state where the operation element 22b is protruded from the front surface of the housing 22a, and operates the backlight in a state where the operation element 22b is pressed and positioned inside the housing 22a. Power is supplied to the lights. The operator 22 of the backlight switch 22
In the state where b is protruded, the operating element 22b is in a state of protruding rearward from the rear end of the switch board 28.

The rotating lever 21 has the shaft 23 supported rotatably between the lower end of the support 27 and the inner surface of the left side wall of the main body 8 (see FIG. 6). A coil portion 29a of a torsion coil spring 29 is supported at the right end of the shaft portion 23. One end of the torsion coil spring 29 is
1 from the rear side, and the other end of the torsion coil spring 29 is connected to the main body 8 of the MD station 7.
Is elastically contacted with the inner surface of the circular arc portion 19. Accordingly, a turning force is applied to the turning lever 21 in a clockwise direction as viewed from the left side.

When the cover 9 is opened, as shown in FIG. 7, the lower part of the pressing portion 26b of the projecting portion 26 of the rotating lever 21 is connected to the switch board 28.
Back light switch 2
The second operation element 22b is pressed by the pressing portion 26b. Therefore, at this time, power is supplied to the backlight, the backlight is turned on, and the liquid crystal display unit 9a formed on the inner surface of the cover body 9 can be displayed.

At this time, the rotating lever 21 is inserted into the insertion hole 1 in which the pressed portion 24 a of the extending portion 24 is formed in the main body 8.
7 is located near the front end. The rotation lever 21
The protrusion 25 is located immediately below the insertion hole 17, so that when the insertion hole 17 is visually recognized from the outside by the protrusion 25, the inside of the main body 8 cannot be visually recognized through the insertion hole 17. I have.

When the cover 9 is rotated clockwise as viewed from the left, the second portion 16 of the lock member 14 is inserted into the insertion hole 17. When the second portion 16 is being inserted, the second portion 16 is moved downward while the sliding surface 16b of the engaging claw 16a is in sliding contact with the left edge of the insertion hole 17. As described above, since the lock member 14 is movable in the left-right direction, at this time, the lock member 14 is moved rightward, and when the engagement surface 16c is located corresponding to the lower edge of the insertion hole 17, The lock member 14 is the lock member 1
4 is moved leftward by the urging force applied to the engaging surface 1.
6c is engaged with the lower edge of the insertion hole 17, whereby the cover 9 is locked in the closed position (see FIG. 8).

At the same time that the lock member 14 is inserted into the insertion hole 17,
The first pressed portion 24 a is the second portion 16 of the lock member 14.
Is pressed by the lower end portion.

When the pressed portion 24a is pressed by the lock member 14, the turning lever 21 turns counterclockwise when viewed from the left side against the urging force of the torsion coil spring 29. When the rotation lever 21 is rotated in the counterclockwise direction, the pressing of the backlight switch 22 on the operation element 22b by the pressing portion 26b is released, and the operation element 22b is projected rearward from the housing 22a. .

Accordingly, at this time, the power supply to the backlight is cut off, the backlight is turned off, and the display on the liquid crystal display section 9a formed on the inner surface of the cover 9 becomes impossible.

When the lock on the cover 9 is to be released, the operating portion 15a of the lock member 14 protruding from the cover 9 is pressed to the right, and the second portion 16 Is moved to the right and the lock is released. Then, the cover 9 is pressed in a state where the operation unit 15a is pressed.
Is turned counterclockwise as viewed from the left side, the pressing of the pressed portion 24a by the lock member 14 is released,
The rotating lever 21 is rotated clockwise, the operator 22b of the backlight switch 22 is pressed again by the pressing portion 26b, power is supplied to the backlight, and the liquid crystal display 9a can be displayed. Is done.

As described above, in the above-described MD station 7 and the system equipment in which the MD recording / reproducing apparatus 1 is connected to the MD station 7, the backlight is opened when the cover 9 is opened as described above. However, when the cover 9 is closed, the lock member 14 presses the pressed portion 24a of the rotating lever 21 to cut off the power supply to the backlight. When the device is closed, light does not leak from the gap between the cover body 9 and the main body portion 8 and the sense of quality of the device can be maintained.

The cover 9 is closed and the liquid crystal display 9 is closed.
When the display of “a” is unnecessary, power is not supplied to the backlight, so that wasteful power is not consumed and energy can be saved.

Further, a lock member 14 for locking the cover 9 at the closed position is used as a switch for controlling the power supply to the backlight, and a power supply control means 20 for controlling the power supply to the backlight is provided inside the main body 8. , There is no need to provide a dedicated switch for controlling the power supply to the backlight on the outer surface of the MD station 7, and there is no need to change the design of the outer surface of the MD station 7 and the MD station 7. There are no design restrictions.

In addition, there is no need to secure an arrangement space for arranging a dedicated switch on the outer surface of the MD station 7, so that there is no inconvenience that the MD station 7 becomes large.

In general, when power is not supplied to the backlight and no display is made on the liquid crystal display unit, it is recognized that the original power supply of the MD station is turned off, and the MD station is erroneously provided at the connection unit. There is a possibility that the operated operation knob may be operated. When the operation knob is a switch for detaching one device from the other device, for example, there is a risk that one device may be detached from the other device during editing work, which is a particularly problematic problem. is there.

However, in the MD station 7, as described above, when power is not supplied to the backlight while the original power of the MD station 7 is input, the cover 9 is closed. Therefore, in this state, the operation knob 12 is covered by the cover body 9.

Therefore, there is no possibility that the operation knob 12 is erroneously operated when power is not supplied to the backlight.

Although the MD station 7 has been described as an application example of the present invention, the present invention can be applied to various devices having a cover supported by a main body. The invention can be widely applied to computer equipment such as a so-called word processor having a liquid crystal display section on the inner surface of a cover body supported by the section, and a video camera having a section having a liquid crystal display section rotatably supported by a main body section.

[0059]

As is apparent from the above description, the electronic device having the cover according to the present invention is an electronic device having the cover supported by the main body, and provided on the inner surface of the cover to supply power. A display portion to be displayed when the cover is closed, a lock member for locking the cover body in the closed position, and a pressed portion provided inside the main body and pressed by the lock member when the cover body is locked. Since the power supply control means for interrupting power supply to the display unit when the pressing unit is pressed is provided, light leaks from a gap between the cover body and the main body in a state where the cover body is closed. Without such a problem, it is possible to maintain a high-grade appearance of the electronic device having the cover body.

Further, when the cover is closed and the display on the display unit is unnecessary, power is not supplied to the display unit, so that wasteful power is not consumed and energy can be saved.

Further, a lock member for locking the cover body in the closed position is used as a switch for controlling power supply to the display unit, and power supply control means for controlling power supply to the display unit is disposed inside the main body. Therefore, it is not necessary to provide a dedicated switch for controlling power supply to the display unit on the outer surface of the electronic device having the cover, and it is not necessary to change the design of the outer surface of the electronic device having the cover, and it is not necessary to change the design. There is no design restriction on the electronic device having the above.

In addition, there is no need to secure an arrangement space for arranging a dedicated switch on the outer surface of the electronic device having the cover, so that there is a disadvantage that the electronic device having the cover becomes large. Nor.

Further, a system device in which one device is connected to the connection portion of the other device of the present invention is provided with one cover connected to the connection portion of the other device which has a cover for opening and closing the connection portion formed on the main body. A system device to which devices are connected, the display device being provided on an inner surface of a cover body and being displayed by being supplied with power, a lock member for locking the cover body in a closed position, and provided inside a main body portion. And the power supply control means for interrupting the power supply to the display unit when the pressed part is pressed and the pressed part is pressed by the lock member when the cover is locked, so that the cover is closed. In this state, light does not leak from the gap between the cover body and the main body, and the sense of quality of the system device can be maintained.

When the cover is closed and the display on the display unit is not necessary, power is not supplied to the display unit, so that wasteful power is not consumed and energy can be saved.

Further, a lock member for locking the cover body in the closed position is used as a switch for controlling power supply to the display unit, and power supply control means for controlling power supply to the display unit is disposed inside the main body. Therefore, there is no need to provide a dedicated switch for controlling power supply to the display unit on the outer surface of the other device, there is no need to change the design of the outer surface of the other device, and there are restrictions on the design of the other device. I do not receive it.

In addition, there is no need to secure an arrangement space for arranging a dedicated switch on the outer surface of the other device, so that there is no inconvenience that the other device becomes large.

According to the third aspect of the present invention, the operation switch is provided at the connection portion of the other device, and power is supplied to the display portion while the original power of the other device is input. When the operation is not performed, the cover is in a closed state, and in this state, the operation switch is covered by the cover.

Therefore, there is no possibility that the operation switch is operated by mistake when the power is not supplied to the display unit.

According to the invention described in claim 4, a disconnection switch for disconnecting one device from the other device is provided at a connection portion of the other device, and a connection switch of the other device is provided. When power is not supplied to the display unit in a state where the power is input, the cover is closed, and in this state, the operation switch is covered by the cover.

Therefore, when the power is not supplied to the display unit, there is no possibility that the release switch is erroneously operated to disconnect one device from the other device.

It should be noted that the specific shapes and structures of the respective parts shown in the above-described embodiments are merely examples of the embodiment of the present invention.
These should not be construed as limiting the technical scope of the present invention.

[Brief description of the drawings]

FIG. 1 shows an embodiment of an electronic device having a cover body of the present invention together with FIG. 2 to FIG. 8 and a system device in which one device is connected to a connection portion of the other device, and FIG. 1 is an enlarged perspective view of an MD recording / reproducing apparatus to which the present invention has been applied.

FIG. 2 is a perspective view of an MD recording / reproducing apparatus and an MD station to which the present invention is applied.

FIG. 3 is a plan view showing a state in which the MD recording / reproducing device is connected to an MD station.

FIG. 4 is an enlarged side view of a rotation lever.

FIG. 5 is an enlarged plan view of a rotation lever.

FIG. 6 is an enlarged front view showing a state in which a rotating lever is supported.

7 shows the operation of the power supply control means together with FIG. 8, and FIG. 7 is an enlarged side view showing a state in which the cover is closed, with a partial cross section.

FIG. 8 is an enlarged side view showing a state in which the cover body is opened, with a part thereof being in section.

[Explanation of symbols]

1: MD recording / reproducing device (one device), 7: MD station (electronic device) (other device), 8: main body, 9 ...
Cover body, 9a ... Liquid crystal display (display), 10 ... Connector, 12 ... Operation knob (operation switch) (release switch), 14 ... Lock member, 20 ... Power supply control means, 24a
… Pressed part

Claims (4)

[Claims] 1. An electronic device having a cover body supported by a main body, comprising: a display section provided on an inner surface of the cover body and displayed by being supplied with power; and a lock member for locking the cover body to a closed position. And a power supply control means provided inside the main body and having a pressed part pressed by the lock member when the cover body is locked, and configured to cut off power supply to the display part when the pressed part is pressed. An electronic device having a cover body provided with the electronic device. 2. A system device in which one device is connected to a connection portion of another device having a cover body that opens and closes a connection portion formed in a main body portion, the system device being provided on an inner surface of the cover body and receiving power. A lock member for locking the cover body in the closed position, and a pressed part provided inside the main body and pressed by the lock member when the cover body is locked. And a power supply control unit for interrupting power supply to the display unit when the unit is pressed, wherein one of the devices is connected to a connection unit of the other device. 3. The system device according to claim 2, wherein an operation switch is provided at a connection portion of the other device, wherein the one device is connected to a connection portion of the other device. 4. The connection part of the other device according to claim 2, further comprising a disconnection switch for disconnecting the one device from the other device at a connection part of the other device. System equipment that is connected to other devices.