JPH05260427A - Operating device for video tape recorder - Google Patents

Abstract

PURPOSE:To provide the menu processing without provision of a special key by devising the device such that a channel command or a menu command are alternatively selected by a channel key. CONSTITUTION:A channel key is operated to select alternatively a channel command to allow a tuning means to implement command selection of a broadcast station or a menu command to allow a processing means to implement menu processing. Then a TV/VCR (video cassette tape recorder) changeover key 13 is used to select and confirm a menu at a cursor position. When a channel-UP key or a channel-DOWN key is operated, the cursor is moved and a program number is selected. Then the key 13 is depressed to confirm the program number. Then a date, a start time, an end time, a channel number, and a tape speed or the like are selected by using the channel-UP key or the channel-DOWN key and the content of selection is confirmed by the key 13.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a video tape recorder operating device, and more particularly to a video tape recorder operating device having tuning means for selecting a broadcasting station. The video cassette tape recorder here is a general term for a video cassette recorder, a video cassette player, or a device in which these are combined with a camera, a television receiver, or the like.

[0002]

2. Description of the Related Art The operation of a video tape recorder (hereinafter referred to as VTR) includes reproduction, recording, fast-forward,
There are basic operations such as rewinding and additional operations such as channel preset and recording reservation. It is known that these additional operations are performed by displaying a menu using an on-screen display function for displaying operation contents or instructions on a connected television. For example, when performing an additional operation such as video recording reservation, a menu is displayed on the television screen by operating a remote controller (hereinafter referred to as a remote controller) or a dedicated menu key provided on the VTR main unit. The recording reservation is selected from the menu and the recording reservation is made by various key operations.

In the above-mentioned conventional configuration, it is necessary to provide a dedicated menu key for displaying the menu, so that the VT
The number of keys on the R body and remote control increases, and the VTR cost rises. An object of the present invention is to reduce the number of keys.

[0004]

An operating device for a video tape recorder according to the present invention comprises a tuning means, a menu processing means and a channel key. The tuning means is means for selecting a broadcasting station. The menu processing means is means for performing menu processing. The channel key is a key for selectively selecting a channel command for instructing tuning means to select a broadcasting station and a menu command for instructing menu processing means to perform menu processing.

[0005]

In the present invention, by operating the channel key, the channel command for instructing the tuning means to select the broadcasting station and the menu command for instructing the menu processing means to perform the menu processing can be selectively selected. .. That is, the channel command and the menu command can be selectively selected only by the channel key. It is possible to perform menu processing without providing a dedicated menu key or the like. Therefore, the number of keys is reduced.

[0006]

DESCRIPTION OF THE PREFERRED EMBODIMENTS FIG. 1 shows a video cassette tape recorder (hereinafter referred to as a VCR) adopting an embodiment of the present invention. The VCR includes a recorder body 10 and a remote controller 18
(Fig. 3) and mainly. The VCR is configured so that basic operations can be performed on the front surface of the recorder body 10. On the left side of the recorder body 10 in the drawing, a power source (P
An OWER) 1 and an eject / STOP (STOP) key 2 for taking out the Vikideo cassette and stopping playback / recording are arranged. To the right of the eject / stop key 2, a play (PLAY) key 3 is arranged. A channel up key 4 and a channel down key 5 are arranged on the right side of the figure. Further, on the right side of the power key 1, an insertion slot 6 for inserting a video cassette is provided. A digital display 7 is provided on the right side of the insertion slot 6.

An opening / closing door 8 is arranged at the lower front portion of the recorder body 10. Inside the opening / closing door 8, as shown in FIG. 2, a rewind (REW) key 9a, a fast forward (FF) key 9b, a pause (PAUSE) key 11, and a recording (RE) key.
C / OTR) key 12 and TV / VCR switching (TV /
VCR) key 13 is arranged. Further, as shown in FIG. 1, a receiver window 14a of the remote controller is arranged at the lower front portion of the VCR.

The VCR is mainly a remote controller 18 shown in FIG.
Operated by. The remote control 18 has a power key 1a,
A key group included in the main body such as a reproduction key 3a, a channel up key 4a, and a channel down key 5a, and a key group such as a numeric keypad 15 and a select (SELECT) key 20 are provided so that all VCR operations can be performed. It has become.

Further, this VCR can display operation contents on the connected television screen by an on-screen display function. For example, when the channel up keys 4, 4a and the channel down keys 5, 5a are operated, a number for the operated channel and a menu for making various settings are displayed on the screen. Next, the circuit configuration in the main body will be described based on the block diagram shown in FIG.

The television signal received by the antenna 21 is
It is input to the tuner 22. The tuner 22 selects and amplifies the input TV radio wave, and at the same time, outputs an intermediate frequency signal (for example, video 58.75 MHz, audio 54.25).
MHz). The converted audio intermediate frequency signal is applied to the audio circuit 23. The converted video intermediate frequency signal is provided to the color signal processing unit 24 and the luminance signal processing unit 25, respectively. The color signal processing unit 24 and the luminance signal processing unit 25 respectively process the color signal and the luminance signal, give the processing result to the video head 26, and record the video tape on the video tape via the video head 26. Also, the video head 2
The reproduction signals from 6 are reproduced respectively, and the processing result is R
It is given to the F converter 27.

The audio circuit 23 detects and amplifies the audio intermediate frequency signal, extracts the audio signal, and supplies it to the audio head 28. Further, the reproduction signal from the audio head 28 is processed and given to the RF converter 27. The video head 26 is connected to a head drive circuit 29. The head drive circuit 29 is for servo-controlling the video head 26.

These tuner 22, audio circuit 23,
The color signal processing unit 24, the luminance signal processing unit 25, and the head drive circuit 29 are connected to the control circuit 30. The control circuit 30 comprises a microcontroller, in which FIG.
And a group of keys 3 arranged on the recorder body 10 shown in FIG.
2, a character generator (CG) 33, and a receiver 14 that receives a signal from the remote controller 18 are respectively connected. In addition, a sensor group 3 for performing various detections
4 and other input / output units are also connected.

A ROM 31 and a RAM 35 are built in the microcontroller of the control circuit 30. RO
The M31 stores various control programs and also stores character information to be displayed on the television. The RAM 35 is composed of DRAM or EEPROM and stores various operation states. The CG 33 stores English alphabets, symbols and the like.

Further, this VCR is 0 as shown in FIG.
101 including 99 TV channel numbers 1 to 99, an AUX function for inputting / outputting video and audio signals to / from an external video device, and a menu screen display function for setting recording reservation The individual channel states can be selected by the channel up keys 4, 4a and the channel down keys 5, 5a.

Next, the control operation of the VCR thus constructed will be described. FIG. 6 is a flowchart explaining the control operation. When the power key 1a of the remote controller 18 or the power key 1 of the main body is turned on, the program first performs various initial settings in step S1. Here, for example, the channel state is set to the content stored in the RAM 35 in the control circuit 30. That is, the channel state set before the power is turned off is set. In step S2,
It is determined whether or not the channel up keys 4, 4a have been pressed. The channel up keys 4 and 4a are used to select the channel state as described above. When it is determined that the channel up keys 4 and 4a are not pressed, the process proceeds from step S2 to step S3. In step S3, it is determined whether or not the channel down key 5, 5a has been pressed. Channel down key 5,5a
When it is determined that is not pressed, the process proceeds from step S3 to step S4. In step S4, it is determined whether another key has been pressed. When it is determined that no other key is pressed, the process returns to step S2, and when it is determined that another key is pressed, the process proceeds to step S7.
Other processing is performed according to the pressed key.

If it is determined in step S2 that the channel up key 4, 4a has been pressed, the process proceeds to step S5. In step S5, the channel processing described later is executed. If it is determined in step S3 that the channel down key 5, 5a has been pressed, step S6
Move to. Channel processing is also executed in step S6.

In the channel processing, as shown in FIG.
First, in step S11, the channel state stored in the RAM 35 is read. In step S12, the channel state is changed according to the state of the pressed key. For example, when the channel up key 4, 4a is pressed, the channel state is incremented, and when the channel down key 5, 5a is pressed, the channel state is decremented. In step S13, the changed channel state is stored in the RAM 35. Steps S14 to S16
Now, determine the changed channel status.

That is, in step S14, it is determined whether the changed channel status is the menu status. In step S15, it is determined whether or not it is in the AUX state. In step S16, it is determined whether or not another state, that is, a state in which the TV channel number is selected. If the determination in step S16 is no, the process returns to the main routine.

When it is determined in step S14 that the menu state is set, the process proceeds to step S17. Step S17
Then, the menu processing described later is executed. Step S
If it is determined that the AUX state is set in step 15, step S18
Move to. In step S18, AUX processing is performed. In the AUX process, a signal from a video device connected to the external input / output terminal is input / output. If it is determined in step S16 that the state is another state, the process proceeds to step S19. In step S19, the tuner 22 is controlled to tune the broadcasting station of the selected TV channel number.

In the menu processing of step S17, as shown in FIG.
As shown in FIG. 9, first, in step S21, a menu screen as shown at the upper end of FIG. Here, for example, 1 to 9
9 menus are displayed. In step S22, it is determined whether or not the channel down key 5, 5a has been pressed. In step S23, channel up keys 4, 4
It is determined whether or not a has been pressed. In step S24,
TV / VCR switch key 13 (or select key 20)
It is determined whether or not is pressed. In step S25, it is determined whether or not the pause key 11 has been pressed. Here, the pause key 11 is used as a key for ending the menu display. The judgment in step S25 is YE
If it is S, the process proceeds to step S26. In step S26, the displayed menu is erased. When the menu is deleted, the main routine is returned to.

On the other hand, if it is determined in step S22 that the channel down key 5, 5a has been pressed, the process proceeds to step S27. In step S27, the cursor indicated by the white arrow displayed on the menu screen (FIG. 7) is moved down according to the number of times the channel down keys 5 and 5a are operated. If it is determined in step S23 that the channel up key 4, 4a has been pressed, the process proceeds to step S28. In step S28, move the cursor to the channel up key 4, 4a
Increase according to the number of operations.

When it is determined in step S24 that the TV / VCR switching key 13 has been pressed, the process proceeds to step S29. The TV / VCR switching key 13 is used here to realize the function of the select key 20 of the remote controller 18, and is used when the menu at the cursor position is selected and confirmed. Here, a specific operation procedure will be described by taking timer programming as an example. Initially, as shown in the upper part of FIG. 7, the cursor indicated by the white arrow is located at “1. Clock / Count”. The "clock / count" menu is a menu for selecting whether the display on the digital display 7 is time or counter. At this time, by pressing the channel down keys 5 and 5a to move the cursor to "5. Timer programming" indicated by a broken line and pressing the TV / VCR switching key 13 (or the select key 20), as shown in the center of FIG. The initial screen for simple timer programming is displayed.

Here, the channel up keys 4, 4 are further added.
When a or the channel down key 5 or 5a is operated, the cursor moves to the number at the left end. This selects the program number. TV / VCR switch key 13 (or select key 20) when the program number is selected
Press to confirm the program number. Then, select the date, start time, end time, channel number, tape speed, etc. with the channel up keys 4, 4a or the channel down keys 5, 5a, and the TV / VCR switching key 13
(Or select key 20) to confirm the selection. Then, programming as shown in the lower part of FIG. 7 can be performed. Here, from 2 pm to 3 pm on November 3rd
56 minutes of tape speed L
Timer programming of recording with P is performed.

By displaying the menu screen by using the channel up key 4, 4a or the channel down key 5, 5a without using a special menu key, the menu processing can be performed with a small number of keys.

[0025]

In the VTR operating device according to the present invention, the channel command and the menu command can be selectively selected by the channel key, so that the menu processing can be realized without providing a special key. Therefore, even when the menu is displayed on the screen by the on-screen display function or the like, the menu function can be realized with a small number of keys, and the number of keys is reduced.

[Brief description of drawings]

FIG. 1 is a front view of a VCR adopting an embodiment of the present invention.

FIG. 2 is a diagram showing a key arrangement in an opening / closing door of a VCR.

FIG. 3 is a plan view of a remote controller.

FIG. 4 is a block diagram showing the configuration of a control circuit.

FIG. 5 is a diagram showing a change in channel state.

FIG. 6 is a flowchart showing a control operation.

FIG. 7 is a flowchart showing the contents of channel processing.

FIG. 8 is a flowchart showing the contents of menu processing.

FIG. 9 is a diagram showing a change in menu display state.

[Explanation of symbols]

 4,4a Channel up key 5,5a Channel down key 22 Tuner 30 Control circuit

Claims (1)

[Claims] 1. A tuning means for selecting a broadcasting station, a menu processing means for performing menu processing, a channel command for instructing the tuning means to select the broadcasting station, and the menu processing means for performing the menu processing. An operation device for a video tape recorder, which is provided with a channel key for selectively selecting a menu command for instructing the video tape recorder.