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KR910017853A - Program recognition circuit by data transmission and reception during vertical retrace period - Google Patents

Program recognition circuit by data transmission and reception during vertical retrace period Download PDF

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Publication number
KR910017853A
KR910017853A KR1019900003144A KR900003144A KR910017853A KR 910017853 A KR910017853 A KR 910017853A KR 1019900003144 A KR1019900003144 A KR 1019900003144A KR 900003144 A KR900003144 A KR 900003144A KR 910017853 A KR910017853 A KR 910017853A
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KR
South Korea
Prior art keywords
signal
data
clock
program
unit
Prior art date
Application number
KR1019900003144A
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Korean (ko)
Other versions
KR950009666B1 (en
Inventor
이태성
Original Assignee
강진구
삼성전자 주식회사
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Application filed by 강진구, 삼성전자 주식회사 filed Critical 강진구
Priority to KR1019900003144A priority Critical patent/KR950009666B1/en
Publication of KR910017853A publication Critical patent/KR910017853A/en
Application granted granted Critical
Publication of KR950009666B1 publication Critical patent/KR950009666B1/en

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Classifications

    • 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
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03KPULSE TECHNIQUE
    • H03K21/00Details of pulse counters or frequency dividers
    • H03K21/38Starting, stopping or resetting the counter
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00Details of television systems
    • H04N5/04Synchronising
    • H04N5/06Generation of synchronising signals
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00Details of television systems
    • H04N5/44Receiver circuitry for the reception of television signals according to analogue transmission standards
    • H04N5/46Receiver circuitry for the reception of television signals according to analogue transmission standards for receiving on more than one standard at will
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00Details of colour television systems
    • H04N9/77Circuits for processing the brightness signal and the chrominance signal relative to each other, e.g. adjusting the phase of the brightness signal relative to the colour signal, correcting differential gain or differential phase

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Television Systems (AREA)

Abstract

내용 없음No content

Description

수직귀선 기간중의 데이타 송수신에 의한 프로그램 인식회로Program recognition circuit by data transmission and reception during vertical retrace period

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

제1도는 수직귀선 기간중의 동기신호 파형도, 제2도는 본 발명에 따른 블럭 구성도.1 is a waveform diagram of a synchronization signal during a vertical retrace period, and FIG. 2 is a block diagram according to the present invention.

Claims (3)

방송프로그램 송수신 장치에 있어서, 복합영상 신호의 수직귀선 기간중 n번째 수평주사 기간에 프로그램 마다 할당된 고유의 번호를 소정 비트의 프로그램 데이타로써 중첩시켜 송신하는 송신부(100)와, 상기 송신부(100)로 부터 송신되는 복합영상 신호를 입력하여 중첩된 소정 비트의 프로그램 데이타를 추출하여 인식하는 수신부(200)로 구성됨을 특징으로 하는 수직귀선 기간중의 데이타 송수신에 의한 프로그램 인식회로.A broadcast program transmitting and receiving device comprising: a transmitter (100) for transmitting a unique number assigned to each program in a n-th horizontal scanning period of a vertical retrace period of a composite video signal by superimposing as a predetermined bit of program data and the transmitter (100) And a receiving unit (200) for inputting a composite video signal transmitted from and extracting and recognizing superimposed predetermined bits of program data. 제1항에 있어서, 송신부(100)가 색신호(R,G,B)를 입력하여 휘도신호(Y)와 색차신호(R-Y,B-Y)를 출력하는 매트릭스회로(10)와, 색 부반송파를 발진시켜 출력하는 색 부반송파 발진부(20)와, 상기 색차신호(R-Y,B-Y)와 색 부반송파를 입력하여 상기 색차신호(R-Y,B-Y)에 의하여 색 부반송파를 변조하여 반송 색 신호를 출력하는 변조부(30)와, 동기신호를 발생시키는 동기신호 발생부(40)와, 상기 동기신호 발생부(40)의 동기신호를 입력하여 동기신호중 수평동기 신호를 카운트하고 수직귀선 기간중의 n번째 수평주사기간 시작점에서 데이타 제어신호를 출력하며 매 수직동기신호 마다 리세트되는 제1수평동기신호 카운터(50)와, 소정의 클럭신호를 발생시켜 클럭신호를 출력하는 제1클럭발생부(60)와, 상기 데이타 제어신호에 의해 상기 클럭신호에 동기된 소정 비트의 프로그램 데이타를 출력하는 데이타 발생부 (70)와, 상기 휘도신호(Y)와 반송 색신호와 동기신호와 소정 비트의 프로그램 데이타를 입력하여 합성시켜 수직귀선 기간중의 n번째 수평주사 기간에 프로그램 데이타가 중첩된 복합영상 신호를 출력하는 합성부(80)로 구성됨을 특징으로 하는 수직귀선 기간중의 데이타 송수신에 의한 프로그램 인식회로.The display apparatus of claim 1, wherein the transmitter 100 inputs the color signals R, G, and B to oscillate the color subcarrier and the matrix circuit 10 for outputting the luminance signal Y and the color difference signal RY, BY. A color subcarrier oscillator 20 to output an output, a modulator 30 for inputting the color difference signals RY and BY and a color subcarrier to modulate the color subcarriers according to the color difference signals RY and BY to output a carrier color signal And a synchronous signal generator 40 for generating a synchronous signal and a synchronous signal of the synchronous signal generator 40 to input a synchronous signal to count a horizontal synchronous signal among the synchronous signals, and at the start of the nth horizontal scan period in the vertical retrace period. A first horizontal synchronizing signal counter 50 which outputs a data control signal and is reset at every vertical synchronizing signal, a first clock generating unit 60 which generates a predetermined clock signal and outputs a clock signal, and the data control Preset of a predetermined bit synchronized with the clock signal by a signal The data generator 70 outputs gram data, and inputs and synthesizes the luminance signal Y, the carrier color signal, the synchronization signal, and the program data of a predetermined bit, so that the program data is stored in the nth horizontal scanning period of the vertical retrace period. And a combining unit (80) for outputting a superimposed composite video signal. 제1항에 있어서, 수신부(200)가 상기 송신부(100)로 부터 출력되어 송신된 복합영상 신호를 입력하여 수평동기 신호를 분리 출력하고 매 수직 동기신호마다 리세트 신호를 출력하는 동기신호 분리부(110)와, 상기 동기신호 분리부(110)로 부터 출력되는 수평동기 신호를 카운트하여 수직귀선 기간중의 n번째 수평주사 기간의 시작점에서 데이타 추출 제어신호를 출력하며 상기 리세트 신호에 의해 리세트되는 제2수평동기신호 카운터(120)와, 클럭발생 제어신호에 의해 소정의 클럭신호를 발생시켜 클럭신호를 출력하는 제2클럭발생부(130)와, 상기 송신부(100)으로 부터 출력되어 송신된 복합영상 신호와 상기 데이타 추출제어 신호와 클럭신호를 입력하여 상기 제2 클럭신호에 동기하여 상기 복합영상 신호에 중첩되어 있는 소정 비트의 프로그램 데이타를 추출하여 출력하는 데이타 추출부(140)와, 소정의 프로그램 데이타를 키 압력으로써 출력하는 키 입력부(150)와, 상기 데이타 추출 제어신호에 의해 클럭발생 제어신호를 출력하며 클럭신호에 동기하여 상기 데이타 추출부 (140)의 소정 비트의 프로그램 데이타를 읽고 키입력부(150)의 키입력에 의해 세팅된 프로그램 데이타와 비교하여 일치여부를 인식하며 프로그램 인식 신호를 출력하는 마이컴(MicroㅡComputer)(160)으로 구성됨을 특징으로 하는 수직귀선 기간중의 데이타 송수신에 의한 프로그램 인식회로.The synchronization signal separation unit of claim 1, wherein the reception unit 200 inputs a composite image signal output from the transmission unit 100 to separate the horizontal synchronization signal, and outputs a reset signal for every vertical synchronization signal. And a horizontal synchronizing signal output from the synchronizing signal separation unit 110, and outputs a data extraction control signal at the start of the nth horizontal scanning period of the vertical retrace period, and resets the signal by the reset signal. A second horizontal synchronization signal counter 120 to be set, a second clock generator 130 for generating a predetermined clock signal according to a clock generation control signal, and outputting a clock signal, and outputted from the transmitter 100 Inputs the transmitted composite video signal and the data extraction control signal and a clock signal to extract program data of a predetermined bit superimposed on the composite video signal in synchronization with the second clock signal. A data extraction unit 140 for outputting the data, a key input unit 150 for outputting predetermined program data by key pressure, and a clock generation control signal based on the data extraction control signal, and extracting the data in synchronization with a clock signal. The microcomputer 160 reads the program data of the predetermined bit of the unit 140, compares the program data set by the key input of the key input unit 150, recognizes a match, and outputs a program recognition signal. And a program recognition circuit for transmitting and receiving data during the vertical retrace period. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019900003144A 1990-03-09 1990-03-09 Program recognized circuit for data transmitting & receiving in vertieal retrace KR950009666B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019900003144A KR950009666B1 (en) 1990-03-09 1990-03-09 Program recognized circuit for data transmitting & receiving in vertieal retrace

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019900003144A KR950009666B1 (en) 1990-03-09 1990-03-09 Program recognized circuit for data transmitting & receiving in vertieal retrace

Publications (2)

Publication Number Publication Date
KR910017853A true KR910017853A (en) 1991-11-05
KR950009666B1 KR950009666B1 (en) 1995-08-25

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KR1019900003144A KR950009666B1 (en) 1990-03-09 1990-03-09 Program recognized circuit for data transmitting & receiving in vertieal retrace

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KR (1) KR950009666B1 (en)

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Publication number Publication date
KR950009666B1 (en) 1995-08-25

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