KR100199939B1 - Method for turning power on time channel of television - Google Patents

Abstract

The present invention relates to a channel tuning method when a TV is powered on. In the channel tuning method of a TV having a memory, a broadcasting program selected by a user for each day is detected by using a KBPS code transmitted from a broadcasting station. Counting types of viewing time, and sequentially storing program type data in the memory in order of viewing time; If the television is powered on, determining whether it is today's first powered-on; If the power-on is today's first power-on, the program type data that has been viewed most frequently on the same day as the previous week of the previous week stored in the memory is read, and then the received KBPS code is read to read the program type that is read from the memory. Comparing and determining whether there is a channel for receiving the same type of broadcast program as the data; As a result, if there is a channel receiving the same type of broadcast program, the tuner automatically tunes to the channel receiving the broadcast program, and compares the data stored in the memory with the read KBPS code. If it is determined that there is no channel receiving the most watched broadcast program, the next step is to tune to the channel where the next most watched broadcast program stored in the memory is received, so that the user's rating can be reflected when the TV is turned on. It is.

Description

Channel tuning method when power on TV

1 is a block diagram of a television system for performing a channel tuning method for power-on of a television according to the present invention.

2 is a flowchart showing an operation of a channel tuning method for power-on of a television according to the present invention.

* Explanation of symbols for main parts of the drawings

10: key input unit 12: micom

14: synchronization unit 16: video / audio separation unit

18: audio processing unit 20: image processing unit

22: power supply 24: storage

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a method for channel selection when a TV is powered on. In particular, the broadcast program that was most watched on the same day of the week that is the same day as the day of the week when the TV is powered on. The present invention relates to a channel tuning method for power-on of a television that automatically tunes a channel on which a broadcast program of the same type is broadcast.

First, a brief description of the principle of the television (TeleVision; TV) is as follows.

A video signal of a television is divided into a color signal, a contrast signal, and a synchronization signal. When the contrast signal and the color signal are mixed and converted, an image is formed in the CRT.

On the other hand, the synchronization signal is a signal of an image transmitted from a broadcasting station, which represents one picture as 525 lines, which may be referred to as a conversion device necessary to prevent each of these lines from being disturbed on the CRT.

In other words, it is the television screen we are seeing that is conveyed by lines and shown as pictures.

The number of screens sent to the receiver in one second by the broadcasting station is 30, and the number of lines (scanning lines) that make one screen in one second is 525 lines Ｘ 30 scenes = 15,750 lines.

Because of this, the contrast of the same place changes every 1/30 seconds, so the movement can be fully expressed.

In short, the basic principle of television is hidden in transmission and reception. The first process is to divide a single image into pixels of the minimum unit, photoelectrically convert one by one in a certain order, and then send them one by one.

The receiving side then converts light from electricity in the reverse order, resulting in the original image.

This process is called scanning, and the scanning is repeated one horizontal scan from the upper left to the lower right of the screen.

This is the process by which the program produced by the broadcasting station can be seen in the same place in the viewer's desired place.

A brief description of the use of television is as follows.

Since March 1, 1995, cable television (CATV) has begun to air in Korea, which is why television plays a role as an information box that provides infinite information.

Cable television refers to broadcasts that can transmit and receive programs by connecting to broadcasting stations using coaxial or optical cables.

Compared to the existing MBC, KBS, and SBS broadcasting systems that transmit image information over the air using airwaves, cable broadcasting is called cable TV.

Cable TV was originally set up to eliminate astigmatism, and antennas are placed on the top of the mountain in areas where the TV waves cannot reach due to geographical reasons such as high mountains. One is derived.

In the beginning, it was merely a broadcast program, but as viewers' desire for the sights grew, they expanded to broadcast their own programs.

Cable television is in the spotlight as an important medium of the information society in that various programs can be shared by many channels, and cable television has unique programs for each channel so that viewers can select and watch programs as desired.

For example, you can choose news programs if you are interested in current affairs, sports programs if you are interested in sports or leisure, and movie programs if you are a movie fan. It can be said that it is a big step forward in that it can be supplied in a simple manner and viewers can actively designate their own channels.

Moreover, cable television has various advantages in the field of information service, and it can handle security, disaster prevention, automatic meter reading, sitting at home, shopping and banking by connecting to computer.

In this regard, in the related art, there is no function of tuning a channel that was viewed immediately before the television was turned on, but reflecting a channel having a high rating.

The present invention has been made to solve the above-mentioned drawbacks of the prior art, a television that allows automatic channel selection such that a program such as the type of broadcast program that was most watched on the same day of the week before the first power-up of the TV. Its purpose is to provide a channel tuning method upon powering up.

A channel tuning method for TV power on according to the present invention for achieving the above object is a channel tuning method of a TV having a memory, wherein a broadcast program type selected by a user for each day using a KBPS code transmitted from a broadcasting station Detecting and counting a viewing time of a corresponding broadcast program type, and sequentially storing broadcast program type data in the memory in order of viewing time; If the television is powered on, determining whether it is today's first powered-on; If the power-on is today's first power-on, the program type data read most frequently was read on the same day as the previous week of the previous week stored in the memory. Then, the received KBPS code is read to read the program type data read from the memory. Comparing and determining whether a channel for receiving the same type of broadcast program exists as; As a result of the determination, when there are channels receiving the same type of broadcast programs, the tuner automatically tunes to the channel receiving the broadcast programs, and compares the data stored in the memory with the read KBPS code. If it is determined that there are no channels for receiving the most-viewed broadcast program, the step of tuning the channel for receiving the next-most-viewed broadcast program stored in the memory is performed.

Hereinafter, with reference to the accompanying drawings, an embodiment of a channel tuning method for power-on of a television according to the present invention will be described.

FIG. 1 is a block diagram showing a broadcasting sequence guiding method of a television according to the present invention in a hardware manner, and includes a key input unit 10 for inputting a key to select a desired function of the television, and a key input unit 10. FIG. Microcomputer 12 controls the corresponding function of the television according to the key input of the TV and a plurality of broadcast signals are received through a predetermined antenna to control a specific broadcast signal desired by the control of the microcomputer 12. A tuning unit 14 for tuning, a video / audio separation unit 16 for receiving a specific broadcast signal tuned from the tuning unit 14 and separating the video signal and the audio signal therefrom, and the video / audio unit The audio processing unit 18 receives an audio signal from the separating unit 16 and generates and outputs an audio signal that can drive a speaker, and receives an image signal from the video / audio separating unit 16. Display on the screen The image processing unit 20 for outputting a signal for outputting the power, and the power supply for turning on the television under the control of the microcomputer 12, and the power of the power supply unit 22 and the microcomputer 12 on every day of the previous week. And a storage unit 24 for storing channel information having a high viewer rating.

The present invention thus made will be described with reference to FIG.

First, the key input unit 10 provides a key input signal to select a desired function such as on-time setting, mute, channel selection, screen adjustment, etc. of a television by a user's key operation. Each unit is controlled to execute the corresponding function of the television according to the key input of the key input unit 10.

Accordingly, the tuner 14 receives a plurality of broadcast signals through a preset antenna to tune a desired specific broadcast signal under the control of the microcomputer 12, that is, the microcom channel to a channel selected by the user through the key input unit 10. Tuning according to the control of (12), the video / audio separation unit 16 receives a specific broadcast signal tuned from the tuning unit 14 and separates the video signal and the audio signal therefrom.

In this case, the video signal separated from the video / audio separator 16 may be a composite video signal in which a contrast signal and a color signal are mixed.

Subsequently, the audio processor 18 receives an audio signal from the video / audio separator 16 and generates and outputs an audio signal that can drive the speaker. The video processor 20 outputs the video / audio separator 16. Receives a video signal from) and outputs it as a signal for displaying the video on the screen.

The power supply unit 22 supplies power for turning on the television under the control of the microcomputer 12, and the storage unit 24 broadcasts the highest viewer rating every weekday just before the control of the microcomputer 12. Information about the program type is sequentially stored for each viewing time zone.

At this time, when the user selects the power-on for the first time on the same day by operating the power-on key of the key input unit 10, the microcomputer 12 is about the type of the broadcast program that had the highest viewer rating on the same day of the week immediately before from the storage unit 24. By receiving the information, the tuning unit 14 broadcasts a broadcast program of the same type as that of the broadcasting program having the highest viewer rating, that is, the received channel, and the power supply unit 22 outputs power, and eventually For the first time, when the TV is powered on, the channel that receives the highest program type on the same day of the week before the week is tuned in.

In this case, when the storage unit 24 stores information on the type of broadcast program, a classification of the broadcast type may use a Korea Broadcasting Program System (KBPS).

Hereinafter, the KBPS will be described briefly.

First, KBPS means that program reservation recording data is converted into a digital signal on a TV signal, inserted into an arbitrary line during the video vertical blanking period, and the signal is demodulated and broadcast by a KBPS decoder on the receiving side. It is a Korean TV reservation recording method that performs program reservation recording and automatic time setting.

The transmission data of the KBPS includes broadcasting station standard time information, daily program information, information for updating in the case of a continuous program, and information for canceling and adding one additional change.

The functions of KBPS include accurate scheduled recording execution, after recording of power failure, reserved recording data storage function, automatic time setting function, and continuous program recording function. In addition, there is a function for providing detailed program guide information and a reservation recording confirmation function.

The characteristics of the above-mentioned KBPS is, first, even if the program is changed due to broadcasting station conditions, each program is given a unique code, so the user can record only the program when the code data comes in without having to change the time. will be.

Second, as a reservation recording memory function, even when a power failure occurs, the reserved recording data is stored in the memory device, so that accurate reservation recording can be executed after the power failure returns.

Third, when the broadcast station standard time information comes in, the current time information contained in the data packet can be automatically set to the time of the VCR by selecting the current time information from the decoder IC in the microcomputer in the VCR.

FIG. 2 shows an algorithm performed in the microcomputer 12 of FIG. 1, and is a flowchart showing step by step an embodiment of the channel tuning method for power-on of a television according to the present invention.

First, the viewer sets a period for storing the viewing time of the broadcast program types for automatically tuning the TV channel according to the TV broadcast program type for each day when the TV is turned on. Here, the period may be set by the user or may be set in advance during TV production.

When the period is set, the type of broadcast program corresponding to the channel selected by the user for the set period, for example, for one week, is determined using the code for the broadcast program type in the KBPS code, and then the determined, that is, the broadcast selected and watched by the user. After counting the viewing time of the program type for each day of the week to determine the priority for each viewing time zone, the storage unit 24 sequentially stores the data about the broadcasting program type and viewing time (S101).

In the state in which the type and time of the broadcast program watched by the user are stored during the set period, it is determined whether the power of the television is turned on (S102), and if the power of the television is not turned on, the power is turned off. If the power supply of the television is turned on (S103), it is determined whether the power-on state is turned on for the first time today (S104).

At this time, the division of the date is considered to be 24 hours a day, that is, 00: 00 to 24: 00 takes a day.

Next, if the power-on is not the first power-on of the day, the channel is tuned according to the general power-on (S106), and if the power-on is the power-on of the day, the previous week of the data stored in the storage unit 24 After reading the program type data most watched on the same day as of today, the received KBPS code is read to compare and determine whether there is a channel receiving the same type of broadcast program as the program type data read from the memory. do.

Subsequently, when there is a channel that receives the same type of broadcast program as the most watched program type on the same day as the previous week, it automatically tunes to the channel where the corresponding program is received and enters the memory 24. As a result of comparing the stored data with the read KBPS code, if it is determined that there is no channel receiving the most watched broadcast program on the same day as the previous week, the next most watched broadcast program stored in the memory 24 is stored. The channel being received is tuned. That is, when it is determined that there is no channel receiving the most watched broadcast program on the same day of the previous week, as a result of comparing the data stored in the memory 24 with the read KBPS code, the broadcast is applied by applying the descending sequential ratings. After determining the channel on which the program type is broadcast using the KBPS code, the channel on which the corresponding broadcast program type is received is automatically tuned (S105).

As described above, according to the present invention, a channel on which the broadcast program type that was most frequently watched on the same day of the week before the first power-on of the television is tuned to reflect the user's rating when the power-on of the television is turned on. It works.

Claims (1)

In the channel selection method of a TV having a memory, a broadcasting program type selected by a user is determined for each day by using a code corresponding to a broadcasting program type among KBPS codes transmitted from a broadcasting station, and the viewing time of the broadcasting program type is determined. Storing the program type data sequentially in the memory after counting; If the television is powered on, determining whether it is today's first powered-on; If the power-on is the first power-on of the day, the program type data that has been viewed most frequently on the same day as the previous week of the previous week stored in the memory is read, and then the code for the program type of the received KBPS code is detected. Comparing and determining whether there is a channel for receiving a code for a broadcast program of the same type as the broadcast program type data read from the memory; As a result of the determination, when there are channels receiving KBPS codes for broadcast program types of the same type, the channel is automatically tuned to a channel for receiving codes corresponding to the broadcast program types, and the data stored in the memory and the read KBPS codes are read. If it is determined that there is no channel receiving the most watched broadcast program on the same day as the previous week, the step of tuning the channel receiving the next most watched broadcast program stored in the memory is performed. Channel tuning method when power on of TV.