JPH04111286A - Door opening mechanism - Google Patents

Abstract

PURPOSE:To enable the touch panel of a VTR main body to be opened by a remote operation without generating sound by using a magnetic field generated in a solenoid coil. CONSTITUTION:This mechanism is equipped with a magnet 23 arranged at a door 2 side, and magnetic members 27, 28 at both terminals of the solenoid coils 26, 26. When no current flows on the solenoid coils 26, the magnetic members 27, 28 at both terminals of the solenoid coils 26 are attracted on the magnet 23 by the magnetic force of the magnet 23, and the door 2 is held in a closed state, and when the current flows on the solenoid coils 26 so as to generate the magnetic field in the same direction as that of the magnetic field of the magnet 23, repulsion occurs between the magnetic members 27, 28 at both terminals of the solenoid coils 26 and the magnet 23, which opens the door 2. In such a way, it is possible to open the door smoothly without generating the sound when the door is opened.

Description

DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a door opening mechanism suitable for use in opening a door disposed on the front panel of a VTR.

[Summary of the invention]

The present invention provides a door opening mechanism suitable for opening a door disposed on the front panel of a VTR, which includes a magnet disposed on the door side, a solenoid coil disposed on the device body side, and a solenoid coil disposed on the device body side. and magnetic material members at both ends,
When no current is flowing through the solenoid coil, the magnetic members at both ends of the solenoid coil are attracted to the magnet by the magnetic force of the magnet, the door is held closed, and a magnetic field is generated in the solenoid coil in the same direction as the magnetic field of the magnet. When a current is applied, the magnetic material at both ends of the solenoid coil and the magnet repel each other, opening the door, making it possible to open the door smoothly without using a motor. It is something.

[Conventional technology]

2. Description of the Related Art VTRs are known in which a front panel is provided with a door that can be opened and closed. In such a VTR, the front panel door is opened when the VTR is attached or detached. Conventionally, this door is opened and closed by a user directly operating the door. However, in recent years, most of the operations of VTRs have been performed using remote controllers, and it is desirable to be able to remotely open the door using a remote controller. That is, for example, if you press the eject key on the remote controller,
It is desirable that the cassette be ejected when the front panel door is opened.

[Problem to be solved by the invention]

In order to be able to open the door remotely using a remote controller, it is conceivable to arrange a small motor on the front panel door. However, when the door is opened and closed by a motor, there is a problem in that motor noise is generated each time the door is opened and closed. Also, if a motor is used to open and close the door,
The door opening/closing mechanism becomes complicated and costs increase.

Therefore, an object of the present invention is to provide a door opening mechanism that does not make any noise when opening the door and can smoothly open the door.

Another object of the present invention is to provide a door opening mechanism that is simple in construction and can reduce costs.

[Means for Solving the Problems] The present invention includes a magnet 23 disposed on the door 2 side, a solenoid coil 26 disposed on the device main body 1 side, and magnetic members 27 and 28 at both ends of the solenoid coil 260. When no current is flowing through the solenoid coil 26, the magnetic members 27 and 28 at both ends of the solenoid coil 26 are attracted to the magnet 23 by the magnetic force of the magnet 23, the door 2 is held closed, and the solenoid coil 26
When a current is passed through so that a magnetic field is generated in the same direction as the magnetic field of the magnet 23, the magnetic members 27 and 28 at both ends of the solenoid coil 26 and the magnet 23 repel each other, and the door 2
This is a door opening mechanism that allows the door to be opened.

[Effect]

The magnetic field generated in the solenoid coil 26 causes the VTR body 1 to
The transparent touch panel 2 on the entire surface can be opened by remote control.
The transparent touch panel 2 can be opened smoothly and without making any noise. Also, since it does not use a motor,
The configuration is simple and costs can be reduced.

〔Example〕

Examples of the present invention will be described in the following order.

a, Overview of the VTR body, Internal configuration of the VTR body C1 Door opening mechanism d, Overview of the remote commander e, Internal configuration of the remote commander f, Touch panel arrangement g, Display display, Remote commander mode a, VTR Outline of the main body Fig. 1A and Fig. 1B show a VTR to which this invention is applied.
The main body 1 is shown as a whole. Figure 1 A and 1
In FIG. B, a transparent touch panel 2 is provided on the entire surface of the VTR main body 1 as a door that covers the entire front panel IA. FIG. 1A shows the state when the transparent touch panel 2 is closed, and FIG. 1B shows the state when the transparent touch panel 2 is opened. This transparent touch panel 2 is provided with a plurality of operation keys, as will be explained later. As shown in FIG. 1B, the state of the VTR 1 is set by opening the transparent touch panel 2 and operating the operation keys arranged on the transparent touch panel 2. Note that this transparent touch panel 2 is connected to the eject key 150 (10th key) of the remote commander 10, as explained later.
(See Figure I).

As shown in FIG. 1B, when the transparent touch panel 2 on the entire surface of the VTR main body 1 is opened, the cassette insertion slot 3 is exposed.

A cassette is loaded into this cassette insertion port 3. Also, on the front panel IA of this VTR body 1, the VTR
Display lamp 4 that displays the operating status of the main unit 1, such as power on/off, recording mode, auto tracking, etc.; Display 5 that displays the setting status of the tape counter, time, operating mode, channel, etc.; and Display section 6 that displays the tape running status. will be placed. Note that the display 5 can selectively display adjustment states such as tracking, audio level, sharpness, etc., as will be explained later. Since the transparent touch panel 2 is transparent, the transparent touch panel 2
Even in the closed state, the display on the display lamp 4, the display 5, and the tape running state display on the display section 6 can be viewed through the transparent touch panel 2.

Further, a light transmitting/receiving section 7 is provided on the front panel IA of the VTR main body 1. The operating state of the VTR body 1 can be controlled remotely using a remote commander 10, which will be explained later. This remote commander 10 is capable of bidirectional communication.

This command signal from the remote commander 10 is transmitted as an infrared signal, and this signal is received by the light transmitting/receiving section 7. A signal indicating VTR operating status such as playback, stop, -time stop, and recording, status information such as recording mode, input mode, recording time, remaining tape amount, timer reservation, reservation confirmation, and timer information such as current time. is transmitted as an infrared signal from the light transmitting/receiving section 7 of the VTR main body as necessary, and this signal is received by the remote commander 10.

In this way, the transparent touch panel 2 is provided on the front panel IA of the VTR main body 1 so that it can be opened and closed freely.
By operating this transparent touch panel 2, various operating states can be set. Therefore, it is not necessary to arrange a plurality of operation keys on the front panel IA, and the design can be improved. Furthermore, the operation keys arranged on the transparent touch panel 2 can be operated with a light touch, improving operability. Furthermore, since the transparent touch panel 2 is transparent, various displays can be viewed even when the transparent touch panel 2 is closed.

b. Internal configuration of the VTR body FIG. 2 shows the internal structure of the VTR main body 1. As shown in FIG.

In FIG. 2, 11 is a system controller, and 12 is a mode controller. System controller 11
and the mode controller 12 are bidirectionally connected.

When operation keys arranged on a transparent touch panel 2 provided on the front surface of the VTR main body 1 are operated, the operation signals are supplied from the touch panel 2 to the system controller 11. Further, when the operation keys arranged on the remote commander 10 are operated, a command signal is transmitted from the remote commander 10, and this command signal is received by the light receiving element 7A.

This signal is transmitted from the light receiving element 7A to the system controller 11.
supplied to Then, a signal indicating the setting state of the VTR main body 1 is outputted from the system controller 11 as necessary, and transmitted from the light emitting element 7B.

When a command signal is supplied to the system controller 11, this command is supplied to the mode controller 12, and the mode controller 12 sets an operating mode.

Depending on the set operating state, the display lamp 4, display 5, and tape running state display section 6 display information.

A rotary head is arranged on the drum 14. drum 14
The operating state of is set by the mode controller 12. During playback, a recording signal on the tape is played back by a rotary head disposed on the drum 14, and the playback output is supplied to the recording/playback circuit 15. In the recording/reproducing circuit 15, a luminance signal is demodulated from the reproduced FM modulated luminance signal, and the carrier frequency of the reproduced low-frequency converted chroma signal is set to a predetermined frequency (for example, 3
58MHz). This reproduced signal is output from the input/output terminal 16.

During recording, a video signal from the tuner circuit 29 or the input/output terminal 16 is supplied to the recording/reproducing circuit 15. Then, the luminance signal is FM-modulated, the chroma signal is low-frequency converted, and is recorded on the tape by the rotating head of the drum 140.

When the power is turned on by operating the remote controller 10, the drum 14 is immediately rotated for, for example, 30 seconds.

In this manner, by rotating the drum 14 for a predetermined period of time when the power is turned on, the playback screen can be displayed immediately when playback is started from the power on.

Note that three types of modes (βI, β■, β■) with different tape speeds can be set as the recording mode, and a normal mode and a high band mode can be set.

17 is a timer circuit. Using this timer circuit 17, timer recording can be performed. Timer information set in timer recording is stored in the timer memory 18. The set time of the timer circuit 17 is displayed on the display 5.

Timer settings will be explained later on Remote Commander 10.
This is done by the operation of In addition, this timer memory 18
The timer information stored in the remote commander 10 can be sent back to the remote commander 10 to rewrite the timer information.

19 is a cassette detection circuit. The presence or absence of a cassette is detected by a cassette detection circuit 19. The output of this cassette detection circuit 19 is supplied to the mode controller 22.

When displaying a television broadcast screen using the tuner circuit 29 of the VTR main body 1, the power of the VTR main body 1 is normally turned on without a cassette being inserted. Therefore, by using the detection output of this cassette detection circuit 19, if the VTR body 1 is turned on when there is no cassette, the channel is displayed on the display 5 assuming that the tuner circuit 29 of the VTR body 1 is used. good. In this way, when the tuner circuit 29 of the VTR body 1 is used to display a television broadcast screen, the channel display becomes easier to see.

2OA and 20B are transparent touch panel 20 door opening mechanisms. As mentioned above, the transparent touch panel 2 of the VTR body 1 is connected to the eject key 1 of the remote commander 10.
It can be opened with 50 operations. When the remote commander 10 sends an eject command signal, the system controller 11 outputs a door open signal. This door opening signal is supplied to door opening mechanisms 20A and 20B.

The open/close state of the transparent touch panel 2 is detected by the open/close detection circuit 21. This opening/closing detection circuit 21 can be configured with a leaf switch, for example. During this time, when the door detection circuit 21 detects that the transparent touch panel 2 is open,
Eject operation is prohibited.

As will be described in detail later, various operation keys are arranged on the transparent touch panel 2. When such a transparent touch panel 2 is arranged so that it can be opened and closed, if the cassette is ejected while the transparent touch panel 2 is not completely opened, the cassette may hit the operation keys arranged on the transparent touch panel 2. There is a risk that it may be touched and malfunction. Therefore, in one embodiment of the present invention, the open/close detection circuit 21 detects the open/close state of the transparent touch panel 2 as described above,
When the transparent touch panel 2 is open, the eject operation is prohibited to prevent such malfunctions.

An illumination lamp 22 that illuminates the transparent touch panel 2 is provided. When you open the transparent touch panel 2, the lighting lamp 2
2 is lit.

When the transparent touch panel 2 is operated, an operation sound is generated from the speaker 23. This allows the user to perform reliable operations.

C1 Door Opening Mechanism FIGS. 3A and 3B show the configurations of the door opening mechanisms 20A and 20B. These door opening mechanisms 20A and 20B
is a magnet 23 arranged on the transparent touch panel 2 side.
and iron pieces 24 and 25, and a solenoid coil 26 and iron pieces 27 and 28 disposed on the VTR main body 1 side. By controlling the current flowing through the solenoid coil 26, the transparent touch panel 2 can be opened.

As shown in FIG. 3A, when no current is applied to the solenoid coil 26, the magnetic force of the magnet 23 causes the iron piece to
4.25 and the iron piece 27.28 are attracted to each other. Therefore, the transparent touch panel 2 is held in a closed state.

As shown in FIG. 3B, when a current is passed through the solenoid coil 26, a magnetic field is generated in the solenoid coil 26 in the same direction as the magnetic field of the magnet 23, and the iron pieces 24.25 and 27.28 repel each other. .

Therefore, the transparent touch panel 2 is opened.

Since such door opening mechanisms 20A and 20B can be constructed without using a motor, they are not only inexpensive but also generate no motor noise and can open the Transparent Sunset/Sochi Panel 2 very quietly.

d. Overview of Remote Commander FIG. 4 shows the external appearance of the remote commander 10 for operating the VTR main body 1.

The remote commander 10 is provided with an LCD display 31 shown in FIG. 5, and a touch panel 32 is laminated on the LCD display 31. Keys are displayed on the LCD display 31, and when performing various operation settings, the touch panel 32 above the key display is pressed.

This remote commander 10 can be set to various modes, and the key arrangement displayed on the LCD display 31 can be changed according to each mode.

In this way, since the key arrangement can be changed according to each mode, the key arrangement can be simplified, the number of erroneous key operations can be reduced, and various complicated operation settings can be made. Note that the mode and key layout of the remote commander 10 will be described in detail later.

This remote commander 10 can perform two-way communication with the VTR main body 1. A light transmitting/receiving section 33 is provided on the front side of the remote commander 10. A command signal from the remote commander 10 is transmitted from the light transmitting/receiving section 33 as an infrared signal.

Then, a signal indicating the operating state of the VTR main body 1 is transmitted from the VTR main body 1 as an infrared signal, and this signal is received by the light transmitting/receiving section 33 of the remote commander 10.

e. Internal configuration of remote commander FIG. 6 shows the internal configuration of the remote commander 10.

The remote commander 10 is provided with a CPU 41 . A memory 42 is bidirectionally connected to the CPU 41, and a display 31 and a touch panel 32 are also connected. The display 31 and the touch panel 32 are stacked and integrated, as described above.

Keys are displayed on the display 31, and the touch panel 32 is pressed in accordance with the key display. As a result, a command signal is transmitted from the CPU 41, and this command signal is transmitted as an infrared signal from the light emitting element 33B.

Note that the relay 43 is provided to generate an operation sound when the touch panel 32 is pressed. relay 4
The relay sound No. 3 is a familiar sound produced when a switch operation is completed, and is suitable for use as a source of operation sound. In addition, by using the operation sound of the remote commander 10 as a relay sound and the aforementioned operation sound of the VTR main body 1 as a buzzer sound from the speaker 23, it is possible to change the operation sound when the remote commander 10 is operated and when the touch panel 2 of the VTR main body 1 is operated. The quality of the sound generated differs depending on the time, improving operability.

The signal sent from the VTR body 1 is sent to the light receiving element 33A.
and is supplied to the CPU 41.

Displays corresponding to the signals sent from the VTR body 1 are displayed on the display 31 as required.

Further, an illumination lamp 44 that illuminates the display 31 and the touch panel 32 is provided. This lighting lamp 44
If you turn on the light, you can check the settings even in a dark place and make operational settings.

This illumination lamp 44 is turned on by pressing the "?" key 122, which serves as a help key, as will be explained later.

Note that the battery attachment detection circuit 45 detects whether or not a battery has been attached.

f. Arrangement of touch panel The touch panel 2, which is disposed on the front surface of the VTRTR body so as to be openable and closable, will be described in detail.

FIG. 7 shows the configuration of keys arranged on the touch panel 2. As shown in FIG. The touch panel 2 has a power key 47,
Eject key 48, rewind key 49, playback key 50,
Keys for performing basic operations such as a fast forward key 51, a - hour stop key 52, a stop key 53, and record keys 54A and 54B are provided.

Also provided are a quick timer setting key 55, a timer recording key 5G, a recording mode key 57, a TV/video switching key 58, a counter reset key 59, a counter display/tape remaining amount display switching key 60, and a tape return key 61. .

Further, index function keys such as an index key 62, an index mark key 63, and an index erase key 64 are provided.

Furthermore, input switching keys 65, 66, and 67 are provided.

Further, a channel up/down key 68, a high band key 69, a βI S/S HB switching key 70, and a main/sub switching key 71 are provided.

Further, keys for editing such as an audio insert edit key 72, a video insert edit key 73, and a synchro date key 74 are provided.

Further, a recording level key 75, a tracking key 76, a sharpening key 77, and an adjustment amplifier/down key 78 are provided.

Also includes a buzzer key 79 for switching operation sounds, a tape select key 80, an edit function switch key 81, an audio monitor key 82, a timer online function switch key 83, a BNR playback switch key 84, a CATV
Various setting/switching keys such as a key 85, an auto stereo key 86, a remote commander mode switching key 87, an OK main key 8 for returning the display to its original state, and an auto tracking key 89 are provided.

Also, tuner label key 90. Keys for tuner presetting, such as a tuner preset key 91, are provided.

g. Display display Normally, a counter, time, input mode, tape mode, channel, etc. are displayed simultaneously on the display 5 of the VTR body 1.

Incidentally, in the VTR to which the present invention is applied, tracking adjustment can be performed electronically by operating the tracking key 76 and adjustment up/down key 78. You can also adjust the sharpness using sharpness key 77.
This can be done by operating the adjustment up/down key 78. When performing such electrical adjustments, it is necessary to display the state of these adjustments. The display 5 is used to display these setting states. However,
The display area of the display 5 is limited.

Therefore, in one embodiment of the present invention, the display on the display 5 can be selectively changed between the normal state and the adjustment state.

That is, for example, when performing tracking adjustment, the tracking key 76 is pressed. Then, display 5
As shown in FIG. 8A, the characters rTRACKINGJ and a bar graph indicating the adjustment status are displayed. Tracking adjustment can be performed by operating the adjustment up/down key 78 while looking at this bar graph. In this manner, when performing adjustment, the normal display disappears and a bar graph indicating the tracking adjustment state is displayed on the entire surface of the display 5, so that the adjustment display becomes larger and adjustment becomes easier. Note that in the case of sharpness adjustment, a bar graph indicating the sharpness setting status is similarly displayed on the entire surface of the display 5.

When performing tracking adjustment or sharpness adjustment,
After a few seconds or when the OK primary key 8 is pressed, the display 5 returns to the normal display.

Further, when the recording level key 75 is pressed, a level meter is displayed on the entire surface of the display 5, as shown in FIG. 8B. The recording level can be adjusted by operating the adjustment up/down key 78 while viewing this display.

Note that this level meter display is returned to the normal display when the OK main key 8 is pressed. Unless the OK primary key 8 is pressed, the level meter continues to be displayed.

When confirming a reserved program, a display indicating the reserved date, recording mode, recording start time, reservation number, reserved channel, and recording end time is displayed as shown in FIG. 8C.

As described above, in one embodiment of the present invention, in order to perform appropriate display using the limited display area of the display 5, when making adjustments, the display is displayed in a large size so that the adjusted state can be easily seen. A bar graph indicating the adjustment status is displayed on the entire screen 5, and in the case of normal status or timer confirmation, multiple items are displayed at the same time so that various statuses can be confirmed at once.

h. Remote Commander Modes As described above, the remote commander 10 can be set to various modes. Each mode of this remote commander 10 will be explained.

FIG. 9 shows each mode transition of the remote commander 10. When you install the batteries for the first time or when you do not operate the remote commander for about 5 minutes, [5L]
EEP] Mode 101 is set. Figure 10A is [5L
EEP] This shows the state of the key layout in mode 101. In the sleeve mode 101, as shown in FIG. 10A, displays other than the status key 121 are turned off.

Here, when the status key 121 is pressed, normally the [MONITOR] mode 1 is pressed, as shown in FIG.
It becomes 02. FIG. 10B shows the key arrangement in the group 0 NITOR] mode 102. Team 0NITOR]
In mode 102, rMON is displayed on the character display section 120.
After the characters ITOR, are scrolled and displayed, characters as shown are displayed.

Note that among the displays on the character display section 120, the displays marked with [] are input keys.

Also, "?" key 122, "NO" key 123, rPO
The WERJ key 124 is displayed. Also, rewind key 1
25, fast forward key 126, play key 127, - hour stop key 128, stop key 129, record key 130A, 130
Keys for basic operation settings such as B are displayed. Also, rTIMERJ key 131, r LINE/TUN
ERJ key 132, r 5ETT ING” key 133
is displayed.

[MONITOR] When set to the playback state in mode 102 and set to the - time stop state, as shown in FIG.
[5HUTTLE] Mode 103 is entered. Figure 10C
shows the key arrangement in [5HUTTLE] mode 103. [5HUTTLE] In mode 103, the characters rsHUTTLE are scrolled and displayed on the character display section 120, and then characters as shown are displayed. Also, [5HUTTLE] mode 103
Now, as shown in FIG. 10C, press the "?" key 122, "
A "NO" key 123 and an "ERJ" key 124 are displayed. In addition, the forward rotation direction speed change playback keys 134, 135.
136, Reverse direction speed change playback key 137.138.13
9. Still image playback key 140 is displayed. Also, rcO
UNTERJ key 141 is displayed. [5HUTTL
E] When set to mode 103, XI/10x speed, ×
Variable speed playback of 175x speed, x1x speed, x2x speed, and switching operation of playback direction can be performed.

In FIG. 9, when the VTR body 1 is in the timer reservation standby state, [TIMERCHEC)[] mode 1
It will be 04. The tenth diagram is [TIMERCHECKI
The key arrangement in mode 104 is shown. [TIM
In the ERC1 (ECKI mode 104, the characters rTIMERCHECK are scrolled in two rows on the character display section 120, and then the timer setting state is displayed as shown in the figure.
When characters 20 are scroll-displayed in two rows, the characters in the upper row are scrolled and then the characters in the lower row are scroll-displayed.

Also, in [TIMERCHECKI mode 104,
As shown in Figure 10, "?" key 122, rNOJ
key 123, rYES'' key 124A (rYESJ key 124A is rp.

(displayed in the same position as the HERJ key 124) is displayed. Also, r MEMORY J key 142, rN
EXTJ key 143, rTI? ! The ERJ key 131 is displayed. [TIMERC)IEcK]
104 Each time you press r NEXTJ key 143,
Reservation details for up to 8 programs are displayed.

In FIG. 9, [TIMERCHECKI mode 1
When rTrMERJ key 131 is pressed from 04, [T
IMER3ETI becomes mode 105. FIG. 10E shows the key arrangement in the TIMERCHECKI mode 104. [TIMEP SET] Mode 1
In 05, rTIMER5E is displayed on the character display section 120.
After the characters TJ are scrolled across two stages, the timer setting state is displayed as shown. Also,
"?" key 122, "NO" key 123, rYES J
Key 124A is displayed. Further, an up/down key 144 and a channel up/down key 145 are displayed. Also, r MEMORY J key 142, rRE
A CMODEJ key 146 is displayed. Also, rTIM
ERJ key 131, r L INE/TUNERJ key 132, ``gate 0 NITORJ key 133 A (rMO
The NITORJ key 133A is displayed in the same position as the rsETTING J key 133). [T
When rTIMERJ key 131 is pressed from IMER5ETI mode 105, [TIMERC)IEcK]
The mode becomes 104.

In Figure 9, r LINE/TUNERJ key 13
When 2 is pressed, if manual tuner is selected on the VTR main unit 1 side, [TUNERMODE] mode 10 is selected.
It becomes 6. FIG. 10F shows the key arrangement in the [TUNERMODE] mode 106. [TUNE
In the RMODE1 mode 106, the character display section 12
After the characters rTUNERMODEJ are scrolled and displayed at 0, characters as shown are displayed. Also,
"?" key 122, "NO" key 123, rpo ER
The j key 124 is displayed. Also, rANT TV/V
A TRJ key 147 and an rMUTINGJ key 148 are displayed. Also, volume up/down key 144A
, channel up/down keys 145 are displayed.

Also, rTIMERJ key 131, rLINE/TUN
E RJ primary key 32, r? 1ONrTORJ key 13
3A is displayed.

In FIG. 9, the rLINE/TUNERJ key 132
When is pressed, if BS input is selected on the VTR main unit 1 side, the mode becomes [TUNER/BS] mode 107.

FIG. 10G shows the key arrangement in the TUNER/BSI mode 107. [In the TUNER/BSI mode 107, rBs is displayed on the character display section 120.
After the characters TUNERJ are scrolled and displayed, characters as shown are displayed. Also, r? ”Key 1
22, “NO” key 123, rPOWERJ key 124
is displayed. In addition, rANT TV/VTRJ key 1
47, r MUTING J key 148 is displayed.

Additionally, a volume up/down key 144A and a channel up/down key 145 are displayed.

Also, rTIMERJ key 131, rLINE/TLI
NE) iJ key 132, rMONITORJ key 133
A is displayed.

In Figure 9, r IJNE/TUNERJ key 13
When 2 is pressed, line power 1 or 2 is activated on the VTR main unit 1 side.
is selected, the [LINE] mode 108 is selected. FIG. 10H shows the key arrangement in the [LINE] mode 108. In the [LINE] mode 108, characters as shown are displayed on the character display section 120. Also, the values displayed by the "?" key 122, "NO" key 123, and rPOWERJ key 124 are displayed. Also, rTI? IERJ key 131, rLINE/TUNE
An RJ key 132 and an rMONITORJ key 133A are displayed.

When the "?" key 122 is pressed in any state, the illumination lamp 44 (sixth
) is lit, and the character display section 120 shows
The characters of the currently set mode are scrolled. In addition, if the character indicating the mode spans two lines, 2
The characters in the line are scrolled with a time difference, so
Easy to check mode. The illumination lamp 44 is extinguished after a predetermined period of time has elapsed. Therefore, the user can check at any time what state the remote commander 10 is set to by pressing the "?" key 122. At this time, the illumination lamp 44 is turned on, so
As long as you remember the location of the "?" key 122, you can reliably operate the remote commander even in a dark place.

Furthermore, [? ” key 122 is held down, [)10
ME] mode 109 is set. FIG. 10H is [H
OME] mode 109 shows the key arrangement. In [HOME] mode 109, character display section 1
After the letters rHOMEJ are scrolled to 20,
A character as shown is displayed.

Also, "?" key 122, "NO" key 123, rPO
The WERJ key 124 is displayed. Also, rlNDEX
J key 149, rANT TV/VTR J key 147
, eject key 150 are displayed. Also, a rewind key 125, a fast forward key 126, a play key 127, a - hour stop key 128, a stop key 129, a record key 130A, 1
30B is displayed. Also, rTAPE RETURN
J key 151, rcOUNTERRESET” key 1
43A, rRECMODEJ key 146 is displayed.

Also, rTIMERJ key 131, rLINE/TUN
An ERJ key 132 and an rsETTING J key 133 are displayed. In this [HOME] mode 109, all keys necessary for operation are provided.

As shown in Fig. 9, when the rINDEX J key 149 is pressed, the [INDEX C0UNTERI mode 110
become.

FIG. 10 shows the key arrangement in the INDEX C0UNTERI mode 110. (INDE
In the [X C0UNTER] mode 110, characters as shown are displayed on the character display section 120. Also, "?" key 122, rNOJ key 123, rPO
WER” key 124 is displayed. Also, rlNDEX
J key 149 is displayed. In addition, the rewind key 125
, fast forward key 126, playback key 127, - hour stop key 1
28, a stop key 129 is displayed. Also, rTAPE
RET [IRN J key 151, rcOUNTERR
ESET” key 143A is displayed. Also, rIND
EX MARKI key 131A, r unit 0NITOR,
Key 133A is displayed.

In FIG. 9, when the [5ETTING] key 133 is pressed, the [COMMAND] mode 111 is entered.

FIG. 10J shows the key arrangement in the [COMMAND] mode 111. [COMMAND]
In mode 111, rcOM is displayed on the character display section 120.
The characters MAND MODEJ are scrolled across two lines. Additionally, a "?" key 122, an rNOJ key 123, and an rYES J key 124A are displayed. Also, keys 152. are numbered from "1" to "12".
152, . . . are displayed. Also, jsETTING
] key 133 is displayed. By using the keys 152, 152, . . . from "1" to "12", it is possible to select a device on which the remote commander operation is desired. In addition, key 15
The numbers "1" to "12" attached to 2.152, . . . correspond to the manufacturers of the devices.

In FIG. 9, further [5ETTING1 key 133
When is pressed, [CLOCK SET] mode 112
become.

FIG. 10 shows [CLOCK SET] mode 112.
This shows the key arrangement when . [CLOCK 5E
In the TI mode 112, r is displayed on the character display section 120.
After the characters CL○CK 5ETJ are scrolled and displayed, characters for setting the calendar and time as shown are displayed. Also, "?" key 122, rNO
J key 123, rYEs J key 124A are displayed. An up/down key 144 and a channel up/down key 145 are displayed. Also, [5ETTING]
Key 133 is displayed 0, :ノ [CLOCKSET
In the I mode 112, the calendar and time of the timer circuit 17 (FIG. 2) of the VTR body 1 can be set correctly using the characters displayed on the character display section 120 and the up/down keys 144.

In FIG. 9, the [5ETTING] key 133
When is pressed, [TtlNERPRESETI mode 1
Becomes 13.

The 10th diagram is [TUNER PRESET] mode 11
This shows the key arrangement at the time of 3. [TtlNERP
In the RESETI-[- key 113, after the characters "TUNERPRESET" are scrolled and displayed on the character display section 120, characters as shown are displayed.
ES J key 124A is displayed. Also, "1" to "
Keys numbered up to 12" 152.152...
・is displayed. Also, [5ETTING] key 13
3 is displayed. [TUNER PRESET] Mode 1
13, the reception channel of the tuner can be set.

In FIG. 9, the [5ETTING] key 133
When is pressed, [COMMAND] mode 111 is entered.

〔Effect of the invention〕

According to this invention, the transparent touch panel 2 on the entire surface of the VTR main body 1 can be opened by remote control using the magnetic field generated in the solenoid coil 26, so the transparent touch panel 2 can be opened smoothly.
It can be opened without making any noise, and since no motor is used, the structure is simple and costs can be reduced.

[Brief explanation of drawings]

1A and 1B are perspective views showing the overall structure of a VTR to which this invention can be applied, FIG. 2 is a block diagram showing the internal structure of a VTR to which this invention can be applied, and FIGS. 3A and 3
Figure B is a cross-sectional view used to explain one embodiment of the present invention.
The figure is a plan view showing the overall configuration of a VTR remote commander to which the present invention can be applied, and FIG. 5 is a sectional view used to explain the VTR remote commander to which the present invention can be applied. FIG. 6 is a block diagram showing the internal configuration of a VTR remote commander to which this invention can be applied, FIG. 7 is a perspective view used to explain the key arrangement of a transparent touch panel in a VTR to which this invention can be applied, and FIGS. Figure 8C is a route diagram used to explain the display in a VTR to which this invention can be applied, Figure 9 is a state transition diagram used to explain a VTR remote commander to which this invention can be applied, and Figure 10A.
10M are plan views used to explain a VTR remote commander to which the present invention is applicable. Explanation of main symbols in the drawings 20A, 20B: Door opening mechanism. 23: Magnet. 24.25, 27, 28: Iron piece. 26: Solenoid coil. /- All 4 copies of VTR's All Days of Seven Days Pl Figure 4 Figure 1 B No L]'s t-removal IA Figure 5 Figure 6 [TUNERBS] to the total A rate of VTR. Fig. 10 G [LINE] Fig. 10 H Fig. 10 1 / [INDEX C0UNTERI P Fig. 10 j

Claims (1)

[Claims] The device includes a magnet disposed on the door side, a solenoid coil disposed on the device main body side, and magnetic members at both ends of the solenoid coil, and when no current is applied to the solenoid coil. Due to the magnetic force of the magnet, the magnetic members at both ends of the solenoid coil are attracted to the magnet, the door is held closed, and a magnetic field is generated in the solenoid coil in the same direction as the magnetic field of the magnet. The door opening mechanism is configured such that when a current is applied, the magnetic members at both ends of the solenoid coil and the magnet repel each other, thereby opening the door.