JPH05176242A - Television receiver - Google Patents

Abstract

PURPOSE:To avoid trouble of reception channel setting by storing channel information and time information in pairs and reading the channel information corresponding to a current time based on the time information to set the channel. CONSTITUTION:Channel information by one week, while weekday/time and a channel number are made correspondent with each other, is stored in a channel information storage area 3a of a storage device 3. That is, when a power supply 15 is applied, a microcomputer 1 as the recorder checks a set channel for each prescribed time and the channel information and the time information are stored in the storage device 3 in pairs. Then the microcomputer 1 being the channel setting device reads the channel information stored in the storage device 3 corresponding to the current time based on the time information for each prescribed time and sets the channel based on the channel information.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a television receiver, and more particularly to a television receiver which does not require setting of a receiving channel.

[0002]

2. Description of the Related Art Conventionally, the selection of a reception channel of a television receiver has been performed by pressing a channel selection button. In this television receiver, it is necessary to select a channel each time a program is received. In order to save the trouble of this channel selection operation, since television broadcasting is basically broadcast according to a program on a weekly basis, there is a program reservation memory for one week, and the reception time and channel number are recorded in advance in the memory. Aside
There have been television receivers configured to automatically set the channels recorded in memory.

[0003]

However, in the case of the conventional television receiver having the program reservation memory for one week in the related art, it is not necessary to operate the channel button each time a program is received, but the day of the week when the program is received in the reservation memory is not required. -It is necessary to set the time and channel number in advance, and complicated setting operation is required to make the reservation setting.

The present invention has been made to solve the above-mentioned problems, and an object of the present invention is to provide a television receiver which can save the trouble of setting a receiving channel.

[0005]

In order to achieve this object, a television receiver of the present invention has a storage device for storing channel information for at least one week together with time information and a power supply while the power is on. A recording device that checks the set channel at predetermined time intervals and records the channel information and time information in the storage device, and a current time at predetermined time intervals while the power is on. And a channel setting device for reading the channel information of the storage device corresponding to the above item based on the time information and setting the channel based on the channel information.

[0006]

In the television receiver of the present invention having the above structure, the storage device stores at least one week worth of channel information together with time information. The recording device checks the set channel at predetermined time intervals while the power is on, and records the channel information and time information in the storage device as a pair. The channel setting device reads out the channel information of the storage device corresponding to the current time based on the time information and sets the channel based on the channel information while the power is turned on.

[0007]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings.

FIG. 1 is a diagram showing the configuration of an embodiment of the present invention.

The main body of the control device is a microcomputer 1 (hereinafter referred to as CPU), and the CPU 1 is connected with a memory device 3, a ROM 5 and a timer 7. The CPU 1 is also connected to the tuner 11 via the tuner control unit 9, and the tuner 11
You can select the receiving channel of. In addition to CPU1,
When the channel selection button 13 which is an input device of the channel number is connected and the channel selection button 13 is pressed, the pressed channel number can be acquired, and the TV power supply 15 is connected and the TV power supply is turned on. /
The OFF state can be constantly monitored.

The input side and output side of the tuner 11 are connected to an antenna 17 and a TV circuit 19, respectively, and a television signal of a designated channel is taken out from a high frequency current signal input from the antenna 17 and output to the TV circuit 19. To do. The TV circuit 19 is connected to the TV power supply 15 as a power supply source, and the CRT display unit 21 and the speaker 23 as output devices.

The memory device 3 is a non-volatile RAM, and is provided with a channel information storage area 3a for storing the channel information in association with the day / time and the channel number. The channel information storage area 3a can store the day of the week in 30-minute units and the channel number for one week.
The memory device 3 further includes a channel buffer 3b for temporarily storing channel numbers sampled every minute.
Is provided. The channel buffer 3b has 30
The channel number for each minute can be stored. The ROM 5 stores the programs represented by the flowcharts of FIGS. 2 and 3. The timer 7 is a device that counts the day of the week / time.

The operation of the present television receiver having the above configuration will be described below with reference to the flowcharts of FIGS. 2 and 3.

When the power of the CPU 1 is turned on, the main routine of FIG. 2 is executed. First, the T
It is determined whether or not the V power supply 15 is turned on (S
1) If not turned on, S1 is repeatedly executed. When the TV power supply 15 is turned on, the current day of the week / time is read from the timer, the channel number corresponding to the day / time is read from the channel information storage area 3a (S2), and the channel is read. The number is output to the tuner controller 9 (S3). Further, the channel buffer 3b is initialized with the channel number (S
4).

Next, it is judged whether or not the TV power supply 15 is turned on (S5), and if it is not turned on, execution of the program proceeds to S10. If it is ON,
It is determined whether one minute has passed since the last sampling was performed (S6). If not, the program execution returns to S5.

If one minute has passed after sampling,
Check the currently set channel number (S
7) It is stored in the channel buffer 3b (S8).
Next, the time is read from the timer 7, and the time is 0 every hour.
It is checked whether it is minutes or 30 minutes (S9). 0
If it is not 30 minutes or 30 minutes, program execution is S5.
Return to.

When it is 0 minutes or 30 minutes in the determination of S9 and when the TV power supply 15 is not turned on in the determination of S5, it is set for the past 30 minutes stored in the channel buffer 3b. Check the channel number,
The most set channel number is determined as the channel information for the past 30 minutes (S10), and the channel number is recorded in the channel information storage area 3a in association with the day / time information for the past 30 minutes (S11). Execution of the program returns to S1.

When the channel operation button 13 is pressed during execution of this main routine, the channel operation button input process of FIG. 3 is performed as an interrupt process. First, the channel number pressed by the channel operation button 13 is input (S21), and the channel number is output to the tuner control section 9 (S22).

The step S3 in the flow chart of FIG. 2 or the flow chart of FIG.
When the channel number is output to the tuner control unit 9 by executing S22, the tuner control unit 9 changes the reception channel information of the tuner 11 according to the channel number.

While the TV power supply 15 is turned on, the tuner 11 takes out a television image receiving signal of a channel designated by the tuner control section 9 from the high frequency electric signal inputted from the antenna 17 and sends it to the TV circuit 19 for TV.
The circuit 19 amplifies the television image reception signal and then performs processing such as video detection, synchronous separation, and audio detection, and the video signal and the audio signal are respectively processed by the CRT display unit 21 and the speaker 23.
Output to.

The sampling interval of the channel number determined in S6 of FIG. 2 may be a value other than 1 minute.

Further, the recording interval of the channel setting time and the sampled channel information in the channel information storage area 3a does not have to be fixed to the 0 minute and the 30 minute of 30 minutes every hour, and a different value depending on the day of the week / time zone. It is also possible to For example, in television broadcasting, there are many programs that are 15 minutes per hour between 6 am and 9 am, 1 hour unit between 8 pm and 10 pm, and 30 minute units in other hours, so between 6 am and 9 am Channel setting and channel information recording every 15 minutes every hour, every hour from 8 pm to 10 pm, and every 30 minutes every other hour, it becomes possible to set the channel according to the television broadcasting program. ..

[0022]

As is apparent from the above description, the television receiver of the present invention checks the set channel at predetermined time intervals while the power is on.
The channel information and the time information are paired and recorded in the storage device, and the channel information of the storage device corresponding to the current time is read based on the time information at every predetermined time, and the channel is set based on the channel information. Therefore, it is possible to save the trouble of setting the receiving channel.

[Brief description of drawings]

FIG. 1 is a circuit configuration diagram of a television receiver embodying the present invention.

FIG. 2 is a flowchart of the operation.

FIG. 3 is a flowchart of the operation.

[Explanation of symbols]

 1 CPU 3 Memory Device 3a Channel Buffer 3b Channel Information Storage Area 5 ROM 7 Timer

Claims (1)

[Claims] 1. A storage device for storing at least one week's worth of channel information together with time information, and a set channel is checked every predetermined time while the power is on, and the channel information and time information are checked. And a recording device for recording in the storage device as a pair and a channel information of the storage device corresponding to the current time based on the time information while the power is on, and the channel information of the channel is read. A television receiver comprising: a channel setting device that sets a channel based on information.