KR940010417B1 - Detecting program for tv/vcr and auto-tuning circuit - Google Patents

Detecting program for tv/vcr and auto-tuning circuit Download PDF

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Publication number
KR940010417B1
KR940010417B1 KR87010856A KR870010856A KR940010417B1 KR 940010417 B1 KR940010417 B1 KR 940010417B1 KR 87010856 A KR87010856 A KR 87010856A KR 870010856 A KR870010856 A KR 870010856A KR 940010417 B1 KR940010417 B1 KR 940010417B1
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KR
South Korea
Prior art keywords
program
signal
channel
characteristic memory
recording
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KR87010856A
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Korean (ko)
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KR890005736A (en
Inventor
박용호
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최근선
주식회사 금성사
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Priority to KR87010856A priority Critical patent/KR940010417B1/en
Publication of KR890005736A publication Critical patent/KR890005736A/en
Priority claimed from US08/002,071 external-priority patent/US5418621A/en
Application granted granted Critical
Publication of KR940010417B1 publication Critical patent/KR940010417B1/en

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    • HELECTRICITY
    • H03BASIC ELECTRONIC CIRCUITRY
    • H03JTUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J1/00Details of adjusting, driving, indicating, or mechanical control arrangements for resonant circuits in general
    • H03J1/0008Details of adjusting, driving, indicating, or mechanical control arrangements for resonant circuits in general using a central processing unit, e.g. a microprocessor
    • H03J1/0058Details of adjusting, driving, indicating, or mechanical control arrangements for resonant circuits in general using a central processing unit, e.g. a microprocessor provided with channel identification means
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B1/00Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/06Receivers
    • H04B1/16Circuits
    • H04B1/20Circuits for coupling gramophone pick-up, recorder output, or microphone to receiver, e.g. for Hi-Fi systems or audio/video combinations
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network, synchronizing decoder's clock; Client middleware
    • H04N21/433Content storage operation, e.g. storage operation in response to a pause request, caching operations
    • H04N21/4334Recording operations
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network, synchronizing decoder's clock; Client middleware
    • H04N21/438Interfacing the downstream path of the transmission network originating from a server, e.g. retrieving MPEG packets from an IP network
    • H04N21/4383Accessing a communication channel, e.g. channel tuning
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network, synchronizing decoder's clock; Client middleware
    • H04N21/44Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream, rendering scenes according to MPEG-4 scene graphs
    • H04N21/44008Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream, rendering scenes according to MPEG-4 scene graphs involving operations for analysing video streams, e.g. detecting features or characteristics in the video stream
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/45Management operations performed by the client for facilitating the reception of or the interaction with the content or administrating data related to the end-user or to the client device itself, e.g. learning user preferences for recommending movies, resolving scheduling conflicts
    • H04N21/4508Management of client or end-user data
    • H04N21/4532Management of client or end-user data involving end-user characteristics, e.g. viewer profile, preferences
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/47End-user applications
    • H04N21/475End-user interface for inputting end-user data, e.g. personal identification number [PIN], preference data
    • H04N21/4755End-user interface for inputting end-user data, e.g. personal identification number [PIN], preference data for defining user preferences, e.g. favourite actors or genre
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/80Generation or processing of content or additional data by content creator independently of the distribution process; Content per se
    • H04N21/81Monomedia components thereof
    • H04N21/812Monomedia components thereof involving advertisement data
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/80Generation or processing of content or additional data by content creator independently of the distribution process; Content per se
    • H04N21/83Generation or processing of protective or descriptive data associated with content; Content structuring
    • H04N21/84Generation or processing of descriptive data, e.g. content descriptors
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00Details of television systems
    • H04N5/44Receiver circuitry
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00Details of television systems
    • H04N5/44Receiver circuitry
    • H04N5/445Receiver circuitry for displaying additional information
    • H04N5/44582Receiver circuitry for displaying additional information the additional information being controlled by a remote control apparatus
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00Details of television systems
    • H04N5/76Television signal recording
    • H04N5/765Interface circuits between an apparatus for recording and another apparatus
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00Television systems
    • H04N7/08Systems for the simultaneous or sequential transmission of more than one television signal, e.g. additional information signals, the signals occupying wholly or partially the same frequency band, e.g. by time division
    • H04N7/087Systems for the simultaneous or sequential transmission of more than one television signal, e.g. additional information signals, the signals occupying wholly or partially the same frequency band, e.g. by time division with signal insertion during the vertical blanking interval only
    • H04N7/088Systems for the simultaneous or sequential transmission of more than one television signal, e.g. additional information signals, the signals occupying wholly or partially the same frequency band, e.g. by time division with signal insertion during the vertical blanking interval only the inserted signal being digital
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00Television systems
    • H04N7/08Systems for the simultaneous or sequential transmission of more than one television signal, e.g. additional information signals, the signals occupying wholly or partially the same frequency band, e.g. by time division
    • H04N7/087Systems for the simultaneous or sequential transmission of more than one television signal, e.g. additional information signals, the signals occupying wholly or partially the same frequency band, e.g. by time division with signal insertion during the vertical blanking interval only
    • H04N7/088Systems for the simultaneous or sequential transmission of more than one television signal, e.g. additional information signals, the signals occupying wholly or partially the same frequency band, e.g. by time division with signal insertion during the vertical blanking interval only the inserted signal being digital
    • H04N7/0887Systems for the simultaneous or sequential transmission of more than one television signal, e.g. additional information signals, the signals occupying wholly or partially the same frequency band, e.g. by time division with signal insertion during the vertical blanking interval only the inserted signal being digital for the transmission of programme or channel identifying signals

Abstract

No content.

Description

TV / radio program detection and channel selection automatic tuning and tape management circuit for VCR recording

1 is a block diagram of the whole according to the present invention.

2 is a diagram illustrating the operation of a TV set in a system according to the present invention.

3 is a flowchart of operation of the system according to FIG. 4 and the present invention.

5 is a general broadcast signal diagram.

6 is a broadcast signal diagram according to the present invention.

* Explanation of symbols for main parts of the drawings

1: Channel signal detection unit 2: Program characteristic memory unit

3: Channel display unit 4: Display unit

5: automatic tuning unit 6: VCR recording control unit

7: TV 8: VCR

The present invention detects the contents of a broadcast program and displays the contents on a portion of a TV or an audio radio, and the commercial is automatically tuned to a channel on which a user desired program is broadcast or inserted in the middle of recording a long program. Detection of TV / radio program content and automatic selection of desired channels, making them unsuitable for the management of broadcast channels, the economical use of tapes, and the reduction of modern entropy (unstable behavior, dialogue and information instability). Tape management circuitry during tuning and VCR recording.

In general, a signal received from an antenna ANT of a broadcast receiver (TV, radio, etc.) emitted from a broadcasting station is received with a fifth degree.

That is, the horizontal synchronization signal is generated once every horizontal section, and the color burst signal and the image signal (color signal + luminance signal) are generated and received in sequence with respect to the performance synchronization signal. Here, the color burst signal has color signal information.

In this way, each broadcast station (channel) has the same format of the broadcast signal received by the antenna, and broadcast frequencies, color signals, and luminance signals are received differently according to channels (broadcast stations). After all, since the broadcasting frequency is different for each channel, if the user selects the desired channel (broadcasting station), only the broadcasting frequency of the selected channel is selectively received, and the abs and amplification and signal processing are displayed on the screen. You can watch or listen.

However, in the conventional broadcasting system, there is a concern that a user may miss a better content of another channel when watching or listening to one channel fixedly, and the user has to turn the channels around to avoid unpleasant broadcasting. In the case of recording a long program such as a movie, an advertisement inserted in the middle could not be avoided, so there were many problems in managing or recording a channel.

The present invention has been made in view of the above-mentioned drawbacks, and the program contents of the broadcasting station are detected by its characteristics, and the channel is automatically tuned by the signals memorized by priorities according to the user's preferences. The purpose of this is to stop recording or resume recording of the VCR tape when the signal is input, and to detect the broadcast program and automatically tune to the channel with the desired program.

Hereinafter, an embodiment of the present invention for achieving such an object will be described in detail with reference to the accompanying drawings.

First, some prerequisites are needed to describe the present invention.

First, when firing a broadcast signal from each broadcasting station must be fired differently from the existing format. That is, there is a horizontal synchronization signal generated by each broadcasting station and received by the antenna of the receiver every horizontal section as shown in FIG. 6, and the color burst signal, which is the next color information signal, is centered on the horizontal synchronization signal. The broadcast signal is used so that the pilot signal and the video signal (color signal + luminance signal) are sequentially located.

Second, although the frequency of a broadcast signal having such a format is broadcast differently for each channel (broadcasting station), the pilot signal is a broadcast content information signal, and broadcasts to have a predetermined standard in common for each channel.

For example, about 1 MHz for movie content, about 2 2 MHz for show, about 2 MHz for news, and about 2.5 MHz for drama. It should be loaded so that the contents of broadcasting can be discriminated. Currently, European broadcast systems are known to carry pilot signals.

The present invention will be described below on the assumption that broadcasting is performed by each broadcasting station under the two preconditions (the pilot signal encoded by the broadcasting contents is broadcast even though the broadcasting frequency is different for each channel).

1 is an overall block diagram according to the present invention, which receives broadcast station radio waves through an antenna and detects each program content by characteristics (eg, movie, news, drama, show, advertisement…) by a pilot signal. Priority of each program based on the channel signal detection unit 1 for applying radio waves to the high frequency amplification circuit of the TV 7 and the contents of the channel signal detection unit 1 and the contents already stored according to the user's taste. A program characteristic memory unit 2 for determining a signal and a signal from the channel signal detection unit 1 and the program characteristic memory unit 2 so that the display unit 4 visually presents the program according to the priority. 4) and a channel display unit 3 for receiving a first priority external signal (remote control) and applying it to the program characteristic memory unit 2, and the program characteristic memory unit 2. Auto tuning unit 5 for receiving a call and tuning the signal by priority to the local oscillator of TV 7, and only one type of program selected by the user by receiving the signal from the program characteristic memory unit 2 during recording. And a VCR recording control section 6 which controls the motor driving section of the VCR 8 to record.

However, since the TV 7 and the VCR 8 have a normal configuration, description thereof will be omitted. When the present invention configured as described above is described by, for example, a program as shown in Table 1 below.

TABLE 1

Figure kpo00001

As shown in [Table 1], if a program is currently broadcasted and propagated by a pilot signal as shown in FIG. 6 in the broadcasting station of each channel, the channel signal detection unit 1 broadcasts the contents for each channel as shown in [Table 1]. Detect it together.

In the program characteristic memory 2, it is assumed that the tuning priority set by the user is as shown in [Table 2].

TABLE 2

Figure kpo00002

When the TV 7 is turned on in the above state, the TV 7 selects the channel 2 first by each of the units 1 to 5 so that the viewer can watch the movie.

Then, when the first part of the movie is started and the advertisement is started, the pilot signal is not the movie but the frequency of the advertisement, so the channel signal detection unit 1 detects it and the TV is automatically tuned to channel 4 so that the viewer can see the show. And when channel 2 ends and movie 2 begins, channel 4 is automatically tuned back to channel 2 to view the movie.

When the movie of channel 2 is completely finished, the channel is automatically tuned back to channel 4 according to the priority of the program characteristic memory unit 2 so that the show appears on the screen. If the user wants to record a movie, the pilot signal does not record if it is not a movie, so the advertisement starts during recording and moves to channel 4 so that the show is not recorded even if the show is watched. Resume recording when tuned back to the movie.

2 is a diagram illustrating the operation of the TV set of the system according to the present invention, and shows the initial situation (a) (b) stored in the program characteristic memory unit 2 and the situation (b) currently being broadcasted by a broadcasting station. The outline of the TV is thus shown.

3 and 4 are operation flowcharts of the system according to the present invention. First, when viewing with the 3rd diagram, the power supply is always checked and the program characteristics of all channels are continuously checked. The contents of the channel are displayed by LEDs (Light Emitting Diodes), and the programs are displayed on the screen in order (S 1 to S 5 ).

In addition, while continuing to watch the current program after the current program is automatically switched to the next sequence program is displayed on the screen (S 6 ~ S 11 ).

Unlike the above, when recording as shown in FIG. 4, if the advertisement comes out while recording the desired contents, the recording is stopped (video motor or tape stop) (S 1 to S 4 ), and the above contents are recorded again afterwards (S 5 to S). 9 ).

In the above, only the case of TV and VCR has been described, which can be widely applied to sound equipment.

Therefore, in the TV / radio broadcasting program detection and channel selection automatic tuning and VCR recording according to the present invention, as described above, the tape management circuit detects the program contents of broadcasting stations by their characteristics and stores the signals stored in the rank according to the user's taste. Auto-tuning channels by VCR, and when recording with VCR, control recording stops or resumes recording of VCR tape when other signals are input, efficient channel management and entropy of users who live in high entropy society like modern times It lowers the cost and has a great effect on the economic use of the tape.

Claims (1)

  1. The channel signal detection unit 1 retrieves the pilot signal of each channel broadcast signal and detects it for each broadcast content, and receives a signal for each broadcast content of the channel signal detector 1 and applies a radio wave to the high frequency amplification circuit. A program characteristic memory section 2 which determines the priority of each program in comparison with the contents described above, and the display section 4 receives the signals of the channel signal detection section 1 and the program characteristic memory section 2 in order of priority. A channel display unit 3 which receives a program of the most preferred external signal and applies the program characteristic memory unit 2 to the program characteristic memory unit 2, and receives a signal of the program characteristic memory unit 2 and tunes it by priority, and then generates a local oscillator. Autotuning section 5 for applying a tuning signal to the program, and recording only one type of program selected by receiving the signal from the program characteristic memory section 2 during recording. Lock motor driving VCR recording control unit (6) TV / radio broadcast program is detected, and the automatic tuning channel selection and VCR recording, when tape management circuit of having to control the.
KR87010856A 1987-09-29 1987-09-29 Detecting program for tv/vcr and auto-tuning circuit KR940010417B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR87010856A KR940010417B1 (en) 1987-09-29 1987-09-29 Detecting program for tv/vcr and auto-tuning circuit

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
KR87010856A KR940010417B1 (en) 1987-09-29 1987-09-29 Detecting program for tv/vcr and auto-tuning circuit
DE3832887A DE3832887C3 (en) 1987-09-29 1988-09-28 Circuit arrangement for program selection in a television / radio receiver or for a video cassette recorder
GB8822859A GB2210526B (en) 1987-09-29 1988-09-29 Apparatus for controlling video or audio equipment
JP63242637A JPH01295573A (en) 1987-09-29 1988-09-29 Management device for broadcasting program recording
US08/002,071 US5418621A (en) 1987-09-29 1993-01-08 Circuit for detecting TV/radio broadcasting program, auto-tuning to channel selection and controlling VCR tape in recording operation

Publications (2)

Publication Number Publication Date
KR890005736A KR890005736A (en) 1989-05-16
KR940010417B1 true KR940010417B1 (en) 1994-10-22

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JP (1) JPH01295573A (en)
KR (1) KR940010417B1 (en)
DE (1) DE3832887C3 (en)
GB (1) GB2210526B (en)

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Publication number Publication date
GB8822859D0 (en) 1988-11-02
DE3832887C2 (en) 1994-06-23
DE3832887A1 (en) 1989-04-13
DE3832887C3 (en) 1999-04-08
KR890005736A (en) 1989-05-16
GB2210526A (en) 1989-06-07
GB2210526B (en) 1992-01-22
JPH01295573A (en) 1989-11-29

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