KR0126264B1 - Television receiver - Google Patents

Abstract

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a television receiver capable of selectively outputting images and audio when the television receiver is turned on by the on-timer. First switching means for inputting, second switching means for controlling an operating power applied to the image processing part, input means for inputting an operation mode for selectively operating the audio processing part and the image processing part, and in the input means. A mode storage means for storing the operation mode input by the controller, and control means for switching and controlling the first and second switching means according to the operation mode stored in the mode storage means when the on-timer function is operated. It features.

Description

TV receiver

1 is a block diagram showing the main components of a general television receiver.

2 is a block diagram showing the main components of a television receiver according to an embodiment of the present invention.

* Description of the symbols for the main parts of the drawings *

1 antenna 2 tuner

3: IF circuit 4: Voice processing unit

5: amplifying unit 6: image processing unit

7: plug 8: power supply

9 ~ 11: relay driving unit 12: remote control device

13: Receiver 14: Time Store

15: timer 16: mode storage unit

17: microprocessor 18: OSD generator

19: Mixer RY1 to RY3: Relay

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a television receiver, and more particularly to a television receiver adapted to selectively output video and audio when the television receiver is turned on by an on-timer.

Recently, TV receivers (hereinafter, referred to as TVs) have become highly functional, and have been developed and adopted on-timer or off-timer function that allows to schedule the on time or off time of the TV.

In addition, even in the case of the viewer, in response to the high functionality of the TV, the morning wake-up time is set on the TV through the on-timer function, and then the audio signal output through the speaker when the TV is turned on by the on-timer function It is common to use a TV as an alarm device that wants to get out of sleep using.

1 is a block diagram showing the main components of a TV having the on / off-timer function described above. In the drawing, reference numeral 1 is an antenna, 2 is a tuner for broadcasting station, and 3 is a station tuned by this tuner 2. An IF circuit detects a video signal (composite video signal) and an audio signal from a signal.

Further, reference numeral 4 is a voice processing unit for processing the voice signal detected by the IF circuit 3, 5 is an amplifying unit for amplifying and outputting the voice signal processed by the voice processing unit 4 to the speaker, 6 is An image processor which processes an image signal output from the IF circuit 3 and outputs R (Red), G (Green), B (Bule), and luminance signals accordingly.

Reference numeral 7 denotes a power plug, and 8 denotes an audio processing part including the audio processing unit 4 and the amplifying unit 5, and an image processing part including the image processing unit 6 and a CRT driving unit (not shown). A power supply unit for supplying operating power, RY1 is a relay for controlling the external power input from the power plug 7 to the power supply unit 8, 9 is the relay in accordance with a control signal from the microprocessor 20 to be described later It is a relay driver which drives (RY1).

Reference numeral 12 denotes a remote control device for inputting the on (or off) time of the TV, 13 denotes a receiving unit for inputting a remote control signal from the remote control device 12, and 14 input by the remote control device 12. 15 is a timer for generating predetermined time data, 20 is a microprocessor for controlling the entire apparatus, and 18 is an OSD for guiding time input using the remote controller 12. 19 is a mixer which mixes the RGB and luminance signals (OSD blanking signals) output from the OSD generator 18 and the RGB and luminance signals output from the image processor 6 and outputs them to the CRT driver.

That is, in the above configuration, the viewer inputs the on / off time of the TV by using the remote controller device 12, and the microprocessor 20 stores the input on / off time in the time storage 14. The TV is turned on or off by driving control of the relay RY1 through the relay driver 9 based on the time data by the timer 15 and the time data stored in the time storage unit 14.

By the way, in the conventional TV, the image processing part is operated by the operation of the power supply unit 8 when the TV is turned on by the on-timer. Therefore, the high power consumption parts such as the CRT or the image processing unit 6 are operated, resulting in unnecessary waste of power.

That is, the viewer uses the above-described TV as an alarm device because the audio signal is output from the speaker when the TV is turned on. In the conventional TV, the CRT is driven together with the audio signal to output the video signal. There is unnecessary power consumption according to the output.

The present invention has been made in view of the above circumstances, and an object thereof is to provide a TV capable of selectively outputting a video signal or an audio signal when the TV is turned on by the on-timer.

A television according to the present invention for realizing the above object comprises a first switching means for controlling an operating power applied to an audio processing part and an operating power applied to an image processing part in a television receiver having an on-timer function. Second switching means for intermittent operation, input means for inputting an operation mode for selectively operating the voice tooth part and the image processing part, mode storage means for storing the operation mode input by the input means, and an on-timer function In operation, it characterized in that it comprises a control means for switching and controlling the first and second switching means in accordance with the operation mode stored in the mode storage means.

According to the present invention having the above-described configuration, when the viewer inputs the operating time of the on-timer, it is possible to select whether to output the video signal and the audio signal.

Therefore, unnecessary power consumption can be reduced and convenience can be improved.

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

2 is a block diagram showing the configuration of a TV according to an embodiment of the present invention.

In Fig. 2, reference numeral 1 denotes an antenna, 2 denotes a tuner for broadcasting channel selection, and 3 denotes an IF circuit which detects a video signal (composite image signal) and an audio signal from the broadcast signal tuned by the tuner 2.

Further, reference numeral 4 is a voice processing unit for processing the voice signal detected by the IF circuit 3, 5 is an amplifying unit for amplifying and outputting the voice signal processed by the voice processing unit 4 to the speaker, 6 is It is an image processor which processes an image signal output from the IF circuit 3 and outputs R (Red), G (Green), B (Bule), and luminance signals accordingly.

Reference numeral 7 denotes a power plug, and 8 denotes an audio processing part including the audio processing unit 4 and the amplifying unit 5, and an image processing part including the image processing unit 6 and a CRT driving unit (not shown). A power supply unit for supplying operating power, RY1 is a first relay for controlling the external power input from the power plug 7 to the power supply unit 8, 9 is in accordance with a control signal from the microprocessor 17 to be described later The first relay driving unit RY2 and RY3 driving the first relay RY1 may include the second and third relays 10 and 10 respectively intermitting the operating power applied from the power supply unit 8 to the audio processing part and the image processing part. 11 is a second and third relay driver which drives the second and third relays RY2 and RY3 in accordance with the control signal from the microprocessor 17, respectively.

Further, reference numeral 12 denotes a remote control device for inputting an on time and an operation mode of the TV, 13 denotes a receiving unit for inputting a remote control signal from the remote control device 12, and 14 denoted by the remote control device 12. A time storage unit for storing the TV on time, 15 is a timer for generating predetermined time data, 16 is a mode storage unit for storing the operation mode input by the remote control device 12.

Reference numeral 17 denotes a microprocessor for controlling the entire apparatus, 18 denotes an OSD generator for guiding time input using the remote controller 12, and 19 denotes an RGB and luminance signal output from the OSD generator 18. (OSD blanking signal) and the RGB and luminance signals outputted from the image processor 6 are mixed and output to the CRT driver.

Thus, the operation of the apparatus with the above-described configuration diagram will be described.

When the viewer presses the time input key of the remote controller 12 while the TV is on, the microprocessor 17 controls the OSD generator 18, for example.

1.TV ON _ _: _ _

2.TV OFF _ _: _ _

OSD pattern data as shown on the CRT is displayed.

Subsequently, when the viewer selects the numeric key 1 and sequentially inputs a desired TV on time, for example, 630, the microprocessor 17 controls the OSD generator 18.

1.TV ON 06: 30

OSD pattern data as shown on the CRT is displayed.

On the other hand, in the display state, the viewer presses the mode selection key of the remote control device 12, and is controlled on the CRT under the control of the microprocessor 17.

1.TV ON 06: 30 MODE 1

If the viewer presses the mode selection key once again,

1.TV ON 06: 30 MODE 2

The mode display is switched as shown.

When the mode selection key is pressed again in the above state, the display returns to the initial state and the mode display disappears, where MODE1 is a state in which an image is not output through the CRT, that is, only an audio signal is output through the speaker. , MODE2 is a state in which only the image is output through the CRT, and the state in which the mode display disappears indicates a state in which both the video signal and the audio signal are output.

Subsequently, when the viewer selects a desired mode and then presses a registration key of the remote controller 12, the microprocessor 17 stores the time data and the selection mode in the time storage 14 and the mode storage 16, respectively. After that, when the TV is turned on by the time data stored in the time storage unit 14, the second relay driver 10 and the third relay driver 11 are selectively driven according to the selection mode stored in the mode storage unit 16. By controlling, video and audio are selectively output.

Therefore, according to the present invention, the viewer can selectively output the video signal or the audio signal when the TV is turned on by the on-timer, thereby improving convenience and achieving power saving effect.

In addition, the present invention is not limited to the above embodiments and various modifications can be made without departing from the technical scope of the present invention.

Claims (1)

A television receiver having an on-timer function, comprising: first switching means for controlling an operating power applied to an audio processing part, second switching means for regulating an operating power applied to an image processing part, an audio processing part and an image An input means for inputting an operation mode for selectively operating a processing part, a mode storage means for storing an operation mode input by the input means, and an operation mode stored in the mode storage means in operation of the on-timer function. And control means for switching and controlling said first and second switching means.