KR840008250A - TV receiver - Google Patents

TV receiver Download PDF

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Publication number
KR840008250A
KR840008250A KR1019840001175A KR840001175A KR840008250A KR 840008250 A KR840008250 A KR 840008250A KR 1019840001175 A KR1019840001175 A KR 1019840001175A KR 840001175 A KR840001175 A KR 840001175A KR 840008250 A KR840008250 A KR 840008250A
Authority
KR
South Korea
Prior art keywords
circuit
frequency
output
division
television receiver
Prior art date
Application number
KR1019840001175A
Other languages
Korean (ko)
Inventor
마그도(외 2) 후리하다
Original Assignee
미쓰다 가쓰시게
가부시기가이샤 히다찌 세이사꾸쇼
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.)
Filing date
Publication date
Application filed by 미쓰다 가쓰시게, 가부시기가이샤 히다찌 세이사꾸쇼 filed Critical 미쓰다 가쓰시게
Publication of KR840008250A publication Critical patent/KR840008250A/en

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Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00Details of television systems
    • H04N5/74Projection arrangements for image reproduction, e.g. using eidophor
    • 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
    • H04N5/775Interface circuits between an apparatus for recording and another apparatus between a recording apparatus and a television receiver
    • 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
    • H04N5/445Receiver circuitry for the reception of television signals according to analogue transmission standards for displaying additional information

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Television Signal Processing For Recording (AREA)
  • Synchronizing For Television (AREA)

Abstract

내용 없음.No content.

Description

텔레비젼 수상기TV receiver

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

제1도는 VTR이 특수 재생 할 때의 기록 트랙과 재생헤드의 궤적과의 관계를 표시한 설명도.1 is an explanatory diagram showing the relationship between the recording track and the trajectory of the playhead during VTR special playback.

제2도는 특수 재생시에 있어서의 부가 펄스의 1예를 도시한 파형도.2 is a waveform diagram showing an example of an additional pulse during special reproduction.

제3도는 본 발명을 적용한 텔레비젼 수상기의 회로 구성을 도시한 블록 다이야 그램.3 is a block diagram showing a circuit configuration of a television receiver to which the present invention is applied.

Claims (4)

다음 사항으로 구성되는 텔레비젼 수상기. (1). 영상신호로부터 수평동기 신호와 수직동기 신호와를 얻기위한 동기 분리 회로(31), (2). 상기 동기 분리회로(31)의 출력단자로부터 얻어진 수평동기 신호의 주파수와 소정의 관계의 주파수의 출력을 얻기 위한 발진회로(34), (3). 상기 발전 회로(34)의 출력을 분주(分周)하는 것에 의해, 수평동기 펄스를 얻기 위한 제1의 분주회로(35), (4). 상기 발진회로(34)의 출력을 분주하는 것에 의해 수직동기 펄스를 얻기 위한 제2의 분주회로(36), (5). 영상 신호에 비디오 테이프 레코더의 특수 재생시의 부가 펄스가 포함되어 있는가, 아닌가를 검출하기 위한 부가 펄스 검출회로(45), 그 검출 출력신호에 기인해서 특수 재생시를 위한 수직 동기 펄스가 발생된다.A television receiver comprising: (One). Synchronous separation circuits (31) and (2) for obtaining horizontal synchronization signals and vertical synchronization signals from video signals; Oscillation circuits (34) and (3) for obtaining an output of a frequency having a predetermined relation with the frequency of the horizontal synchronizing signal obtained from the output terminal of the synchronization separation circuit (31). The first division circuits 35 and 4 for obtaining horizontal synchronization pulses by dividing the output of the power generation circuit 34. Second division circuits (36) and (5) for obtaining vertical synchronization pulses by dividing the output of said oscillation circuit (34). The additional pulse detection circuit 45 for detecting whether the video signal contains an additional pulse during special playback of the video tape recorder, and a vertical synchronization pulse for special playback is generated due to the detection output signal. 특허청구의 범위 제1항의 텔레비젼 수상기에 있어서, 상기 발진회로(34)는 PLL회로내에 구성되고, 이 PLL회로는, 상기 동기 분리 회로(31)의 출력단자에서 얻어진 수평동기 신호의 위상과, 상기 제1의 분주회로(35)의 출력신호의 위상과의 차를 검출해서, 이 위상차에 의해 상기 발진회로(34)의 주파수가 제어된다.In the television receiver according to claim 1, the oscillation circuit 34 is constituted in a PLL circuit, and the PLL circuit includes a phase of a horizontal synchronous signal obtained at an output terminal of the synchronous separation circuit 31, and The difference with the phase of the output signal of the 1st frequency division circuit 35 is detected, and the frequency of the said oscillation circuit 34 is controlled by this phase difference. 다음 사항을 포함하는 청구범위 제2항의 텔레비젼 수상기, (6) 고주파 증폭회로(2) (7)국부 발진회로(4) (8)상기 고주파 증폭회로(2)의 출력과, 상기 국부 발진 회로(4)의 출력이 인가되는 주파수 혼합회로(3) (9)상기 주파수 혼합회로(3)의 출력신호에 응답하는 영상 중간 주파회로(5)에 있어서, 비디오 테이프 레코더로 부터의 신호는 상기 고주파 증폭회로(2)에 인가된다.The television receiver of claim 2 comprising the following items: (6) a high frequency amplifying circuit (2) (7) a local oscillating circuit (4) (8) an output of the high frequency amplifying circuit (2) and the local oscillating circuit ( Frequency mixing circuit 3 to which the output of 4) is applied (9) In the video intermediate frequency circuit 5 responsive to the output signal of the frequency mixing circuit 3, the signal from the video tape recorder is subjected to the high frequency amplification. Applied to the circuit 2. 특허청구의 범위 제1항 내지 제3항 중, 어느 하나의 텔레비젼 수상기에 있어서, 상기 제1의 분주회로(35)는 1/2분주를 행하고, 상기 발진회로(34)의 출력신호의 주파수는 상기 동기 분주회로(31)의 출력단자로부터 얻어지는 수평동기 신호의 주파수의 2배에 설정되어, 상기 제2의 분주회로(36)은 1/525분주를 행한다.In any one of claims 1 to 3, in the television receiver, the first frequency dividing circuit 35 divides 1/2, and the frequency of the output signal of the oscillation circuit 34 is It is set at twice the frequency of the horizontal synchronizing signal obtained from the output terminal of the synchronous division circuit 31, and the second division circuit 36 performs 1/525 division. ※참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: It is to be disclosed based on the initial application.
KR1019840001175A 1983-03-16 1984-03-08 TV receiver KR840008250A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP58042195A JPS59169286A (en) 1983-03-16 1983-03-16 Tv receiver
JP42195 1983-03-16

Publications (1)

Publication Number Publication Date
KR840008250A true KR840008250A (en) 1984-12-13

Family

ID=12629222

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019840001175A KR840008250A (en) 1983-03-16 1984-03-08 TV receiver

Country Status (6)

Country Link
JP (1) JPS59169286A (en)
KR (1) KR840008250A (en)
DE (1) DE3402667A1 (en)
FR (1) FR2542954A1 (en)
GB (1) GB2137452B (en)
IT (1) IT1173432B (en)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3573350A (en) * 1967-09-28 1971-04-06 Sylvania Electric Prod Color television receiver and color video tape recorder system
JPS521847B2 (en) * 1972-03-31 1977-01-18
NL7409514A (en) * 1974-07-15 1976-01-19 Philips Nv TELEVISION SYSTEM WITH A VIDEO STORAGE DEVICE AND A TELEVISION RECEIVER.
US4025951A (en) * 1976-06-09 1977-05-24 Gte Sylvania Incorporated Vertical synchronizing circuit having adjustable sync pulse window
US4025952A (en) * 1976-06-09 1977-05-24 Gte Sylvania Incorporated Vertical synchronizing circuit

Also Published As

Publication number Publication date
JPS59169286A (en) 1984-09-25
GB8403594D0 (en) 1984-03-14
GB2137452A (en) 1984-10-03
IT1173432B (en) 1987-06-24
IT8419893A0 (en) 1984-03-02
FR2542954A1 (en) 1984-09-21
DE3402667A1 (en) 1984-09-20
GB2137452B (en) 1986-06-25

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SUBM Surrender of laid-open application requested