KR19990035523A - Remote control unit with channel reservation switching - Google Patents

Abstract

According to the present invention, when a user sets a time for channel switching and channel information to be switched, a channel switching command to a corresponding channel is transmitted to a main body of the device at a predetermined time so that an automatic channel switching function can be executed by user reservation. A remote control apparatus having a reservation switching control function, comprising: a key input unit (30) having a plurality of numeric keys and a function key for setting a channel switching reservation, and the function key provided in the key input unit (30) being selected; When the reservation information for the channel switching function inputs the liquid crystal display unit 35 for outputting a subtitle message, the channel switching reservation information storage unit for storing the time information and channel information set by the user through the key input unit 30 ( 32) a timer 33 for counting a current time, and outputting an infrared signal corresponding to a user command input through the key input unit 30 according to a predetermined control signal. In addition, the channel switching reservation information storage unit 32 is registered with the infrared signal output unit 38 and 37 and the channel switching reservation information input through the key input unit 30 according to the reservation information input guide. When the current time counted by the timer 33 and the time data registered in the channel change reservation information storage unit 32 match, the infrared signal is based on the channel information registered in the channel change reservation information storage unit 32. It characterized in that it comprises a control unit 31 for driving the output unit 38, 37 to control the channel switching to the corresponding channel.

Description

Remote control unit with channel reservation switching

The present invention relates to a remote control device used for remote control of a broadcast receiving device. Particularly, if a user sets a time for channel switching and channel information to be switched, a channel switching command for a corresponding channel is sent to the main body of the device at a predetermined time. The present invention relates to a remote control device having a channel reservation switching control function capable of executing an automatic channel switching function by a user reservation by transmitting.

Currently, a so-called tele video device (hereinafter referred to as TVCR), which is formed by integrating a television and a VCR, has been developed and used. Such a TVCR can operate both a TV and a VCR through a single remote control device, and also signals from both devices. In connection, the connection is completed internally, so the user does not need to connect a connector using a connector.

On the other hand, Figure 1 shows the internal configuration of a conventional TVCR equipped with a reservation recording function, which is a general function of the TVCR, reference numeral 1 in Figure 1 is an antenna for receiving the airwave broadcast signal, 2 is a TV watching A first tuner for executing channel selection according to the present invention, 3 is a first voice IF processor for amplifying and detecting an intermediate frequency signal IF of a channel tuned by the first tuner 2 and outputting a voice signal; A first image IF processor for amplifying and detecting an image intermediate frequency signal output from the first tuner 2 and outputting an image signal.

Further, reference numeral 5 denotes a second tuner which executes a broadcasting station for a recording channel when the recording function is set by the remote controller 8 to be described later, and 6 and 7 are channels tuned by the second tuner 5. And a second audio IF processor and a second video IF processor for amplifying and detecting an intermediate frequency signal of the A-signal and outputting an audio signal and a video signal, respectively.

Next, reference numeral 8 is a remote control device for the user to adjust the output volume, channel switching and mode switching or other remote control, and 9 receives an infrared signal transmitted from the remote control device 8 and transmits it. The receiving unit 10 converting and outputting the signal into a conventional signal is a control unit for controlling the operation of the entire apparatus including the reservation recording function based on the code signal applied through the receiving unit 9.

Reference numeral 11 denotes an image and an audio signal output from the first audio IF processor 3, the first video IF processor 4, the second audio IF processor 6, and the second video IF processor 7. The VCR side recording / reproducing processor 20, which will be described later, selectively switches the video and audio signals generated by the tape reproducing and outputs them to the audio processing unit 12 and the image processing unit 15 connected to the rear stage. At the time of recording, the audio / video signal of the second audio IF processing unit 6 and the second video IF processing unit 7 is output to the recording / playback processing unit 20 side.

Although reference numeral 12 is not shown for the audio signal output from the A / V switching unit 11, the base (Bass) and treble (Treble) according to a predetermined control signal from the control unit 10 to be described later And a voice processing section for executing volume control, and the like. 13 denotes a voice amplifying section for amplifying the voice signal processed by the voice processing section 12 and outputting it to the speaker 14 connected to the rear stage.

Although not shown in the drawing, reference numeral 15 denotes brightness, tint and color tone of an image signal output from the A / V switching unit 11 according to a predetermined control signal from the controller 10. An image processing unit for processing color adjustment and outputting R (Red), G (Green), B (Blue), and luminance (-Y) signals corresponding to the image signal, and 16 is output from the image processing unit 15. A CRT driving section for driving the CRT 17 connected to the rear stage based on the R, G, B and luminance (-Y) signals.

In addition, reference numeral 18 is a deck driving unit for driving the deck 19 to be described later, 19 is the VCR mode when the mode selection key (not shown) of the remote control device 8 is pressed; A deck that executes recording / playback as well as video tape rewind / pause / pause according to the command of the control unit 10. 20 is a screen output based on video and audio signals reproduced and output by the deck 19. A recording / reproducing processing section for outputting a composite video signal suitable for the recording and reproducing the broadcast signal output from the A / V switching unit 11 for YC separation and supplying the composite video signal to the deck 19 for recording; 21 is a display unit for displaying the operation state of the overall device.

Reference numeral 27 is a reservation information storage unit for storing information such as a reservation recording channel and execution time set by the user through the remote controller device 8 as data, and 28 is predetermined time data for counting the current time. A timer that generates and outputs.

That is, the conventional TVCR having the above-described configuration can set the recording mode for another broadcast channel using the remote control device 8 while the user watches the broadcast program of the channel tuned by the first tuner 2. In this case, the control unit 10 controls the second tuner 5 to tune the recorded broadcast channel and switches the A / V switching unit 11 to control the second tuner 5. Is applied to the recording / playback processing section 20, and then the deck drive section 18 is controlled to perform a recording operation to record the broadcast program of the channel selected by the viewer.

In addition, when the viewer sets the broadcast channel to be reserved and the scheduled recording execution time through the remote control device 8, the controller 10 stores the reserved recording execution information input by the user in the reserved information storage unit 27. And the broadcast channel contracted at the reserved time by controlling the deck 19 and the tuner 2 at the time when the current time counted by the timer 28 and the time set by the user coincide with each other. Scheduled recording function is executed.

On the other hand, similar to the reservation recording function in the TVCR as described above, most home appliances that are commercially available recently have the user input and register the operation information in advance, such as an on / off timer function or a reservation recording function. When the system itself is reset due to a power failure or the like, the operation function stored in the memory is lost. There was a problem that prevented it from running.

Therefore, even in the case of setting the channel switching function by user reservation, it is necessary to search for a new method different from the above-mentioned method in order to ensure that the reserved channel switching function can be executed normally regardless of the situation in which the system is reset due to a power failure or the like. to be.

The present invention has been made in view of the above circumstances, and when a user sets a time for channel switching and channel information to be switched, the user can transmit a channel switching command to the corresponding channel to the main body of the device at a predetermined time, thereby allowing the user to change the channel. The purpose is to realize a remote control device having a channel reservation switching control function capable of executing an automatic channel switching function.

1 is a block diagram showing a conventional TVCR with a reservation recording function.

Figure 2 is a block diagram showing the internal configuration of a remote control device with a channel reservation switch control function according to an embodiment of the present invention.

******* Explanation of symbols on the main parts of the drawings *******

1: antenna, 2: first tuner,

3: first audio IF processor, 4: first video IF processor,

5: second tuner, 6: second audio IF processing unit,

7: second image IF processing unit, 8: remote control device,

9: receiving unit, 10: control unit,

11: A / V switching unit, 12: voice processing unit,

13: voice amplifier, 14: speaker,

15: image processing unit, 16: CRT driving unit,

17: CRT, 18: deck drive unit,

19: deck, 20: recording / playback processing unit,

21: display unit, 27: reservation information storage unit,

28, 33: timer, 30: key input,

31: microprocessor, 32: channel switching reservation information storage,

34: power supply unit, 35: liquid crystal display unit,

36: display driver, 37: light emitting element,

38: remote control signal generator,

A remote control device having a channel reservation switching control function according to the present invention for realizing the above object includes a key input unit 30 having a plurality of numeric keys and a function key for channel switching reservation setting, and the key input unit 30. When the function key is selected, a liquid crystal display unit 35 for outputting a subtitle message for input guide information of reservation information for a channel switching function, a display driver 36 for driving the liquid crystal display unit 35 according to a predetermined control signal, The channel switching reservation information storage unit 32 for storing time information and channel information set by the user through the key input unit 30, a timer 33 for counting a current time, and the key input unit according to a predetermined control signal. The infrared signal output units 38 and 37 for outputting an infrared signal corresponding to a user command input through 30), and the channel switching reservation information input through the key input unit 30 according to the reservation information input guide.If the current time counted by the timer 33 and the time data registered in the channel switching reservation information storage unit 32 are registered, the channel switching reservation information storage unit 32 is registered. And a controller 31 for controlling the channel switching to the corresponding channel by driving the infrared signal output units 38 and 37 based on the channel information registered in the storage unit 32.

That is, according to the present invention having the above-described configuration, the reservation information necessary for the operation of the device is stored in the remote control device itself, not the main body, and then the execution command of the reserved operation is sent to the main body at a predetermined time point, thereby causing the system to lose power. Even if it is reset due to the cause, the scheduled reservation function can be executed.

Hereinafter, with reference to the accompanying drawings will be described an embodiment according to the present invention.

2 is a block diagram showing an internal configuration of a remote control device having a channel reservation switching control function according to an embodiment of the present invention.

In FIG. 2, reference numeral 30 denotes a key input unit provided with a plurality of numeric keys and a function key for channel switching reservation setting, and 31 is automatically generated by user reservation based on a user input signal applied through the key input unit 30. Microprocessor as a control unit for controlling the channel switching function.

In addition, reference numeral 32 is a channel switching reservation information storage unit for storing reservation information for the automatic channel switching function set by the user through the key input unit 30, 33 is a timer for counting the current time.

On the other hand, reference numeral 34 is a power supply unit for supplying the operating voltage (B ⁺ ) to the various components of the remote control device, 35 is a liquid crystal display for outputting the input guide caption message of the reservation information for the automatic channel switching function according to a predetermined control signal Reference numeral 36 denotes a display driver for driving the liquid crystal display unit 35 in accordance with a predetermined control signal from the microprocessor 31.

Further, reference numeral 38 denotes a remote control for driving the light emitting device 37 according to a control signal applied from the microprocessor 31 to transmit an infrared signal corresponding to a command input by the user through the key input unit 30. It is a signal generator.

Next, the operation of the device having the above configuration will be described.

First, when the user selects a channel switching reservation setting key (not shown) included in the key input unit 30, the microprocessor 31 outputs a control signal contracted to the display driver 36. Accordingly, the display driver 36 outputs a guide message for inputting time data for channel switching by driving the liquid crystal display 35 through the LCD screen.

When the user who checks the guide message output through the LCD screen inputs time data for channel switching by operating a numeric key (not shown) provided in the key input unit 30, the microprocessor 31 inputs the key input unit. By storing the time information input through the 30 in the channel switching reservation information storage unit 32, the time information for executing channel switching is registered.

On the other hand, when the time information to perform the channel switching is registered as described above, the microprocessor 31 then outputs a predetermined control signal to the display driver 36, accordingly, the display driver 36 By driving the liquid crystal display unit 35 outputs a guide message for inputting a channel number to be switched through the LCD screen.

When the user who checks the channel number input guide message inputs a channel number to be switched by operating a numeric key of the key input unit 30, the microprocessor 31 displays the channel information applied through the key input unit 30. Channel switching reservation operation is completed by storing corresponding to the time data stored in the channel switching reservation information storage unit 32.

On the other hand, the timer 33 is to constantly count the current time under the control of the microprocessor 31, the microprocessor 31 is a predetermined time interval in the state in which the reservation operation is completed by the above-described process By comparing the count value of the timer with the channel change reservation time registered in the channel change reservation information storage unit 32, it is checked whether the current time counted by the timer 33 is the reservation time set by the user.

As a result of the comparison of the two time data, if it is determined that the current time counted by the timer 33 matches the reservation time data set in the channel switching reservation information storage unit 32, the microprocessor 31 determines The channel switching reservation information storage unit 32 reads out the channel information stored corresponding to the reservation time, and controls the remote control signal generator 38 based on this to drive the light emitting device 37.

As a result, the infrared signal corresponding to the channel switching command to the predetermined channel through the light emitting element 37 is transmitted to the main body, thereby controlling the channel switching to the corresponding channel.

That is, according to the above embodiment, when the user sets the channel switching time and channel information to be switched, the automatic channel switching function by user reservation is executed by transmitting a channel switching command to the corresponding channel to the main body of the device at a predetermined time. It is possible to realize a remote control device having a channel reservation switching control function.

Meanwhile, the present invention is not limited to the above embodiments and can be variously modified within the scope not departing from the technical gist of the present invention.

As described above, according to the present invention, the reservation information necessary for the operation of the device is stored in the remote control device itself, not the main body, and then the execution command of the reserved operation is sent to the main body at a predetermined time point, thereby causing the system to lose power. Even if reset by the cause, it is possible to execute the scheduled reservation function.

Claims (1)

A key input unit 30 having a plurality of numeric keys and function keys for channel switching reservation setting; When the function key provided in the key input unit 30 is selected, the liquid crystal display unit 35 for outputting an input guide caption message of the reservation information for the channel switching function; A display driver 36 driving the liquid crystal display unit 35 according to a predetermined control signal, A channel switching reservation information storage unit 32 for storing time information and channel information set by the user through the key input unit 30; A timer 33 that counts the current time, Infrared signal output units 38 and 37 for outputting an infrared signal corresponding to a user command input through the key input unit 30 according to a predetermined control signal; The channel switching reservation information input through the key input unit 30 is registered in the channel switching reservation information storage unit 32 according to the reservation information input guide, and the current time counted by the timer 33 and When the time data registered in the channel switching reservation information storage unit 32 is matched, the infrared signal output units 38 and 37 are driven based on the channel information registered in the channel switching reservation information storage unit 32. And a control unit (31) for controlling channel switching to a channel.