KR840003872A - Automatic recording current compensation device in V.T.R. - Google Patents

Automatic recording current compensation device in V.T.R. Download PDF

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Publication number
KR840003872A
KR840003872A KR1019830000560A KR830000560A KR840003872A KR 840003872 A KR840003872 A KR 840003872A KR 1019830000560 A KR1019830000560 A KR 1019830000560A KR 830000560 A KR830000560 A KR 830000560A KR 840003872 A KR840003872 A KR 840003872A
Authority
KR
South Korea
Prior art keywords
compensation device
current compensation
switch
recording current
signal
Prior art date
Application number
KR1019830000560A
Other languages
Korean (ko)
Inventor
성원용
Original Assignee
허신구
주식회사 금성사
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 허신구, 주식회사 금성사 filed Critical 허신구
Priority to KR1019830000560A priority Critical patent/KR840003872A/en
Publication of KR840003872A publication Critical patent/KR840003872A/en

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Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/02—Recording, reproducing, or erasing methods; Read, write or erase circuits therefor
    • G11B5/027—Analogue recording
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/008—Recording on, or reproducing or erasing from, magnetic tapes, sheets, e.g. cards, or wires
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/02—Recording, reproducing, or erasing methods; Read, write or erase circuits therefor

Landscapes

  • Television Signal Processing For Recording (AREA)

Abstract

내용 없음No content

Description

V.T.R.에서의 자동 기록전류 보상 장치Automatic recording current compensation device in V.T.R.

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음As this is a public information case, the full text was not included.

제1도는 본 발명의 블록 구성도.1 is a block diagram of the present invention.

제2도 (가)는 본 발명에서의 수직동기 신호파형 예시도, (나)는 본 발명에서의 기록신호 파형예시도, (다)는 본 발명에서의 재생 신호 파형예시도2A is an exemplary vertical synchronous signal waveform in the present invention, (B) is an example of recording signal waveform in the present invention, and (c) is an example of reproduction signal waveform in the present invention.

제4도 (가), (나)는 자기테이프의 기록전류와 신호 주파수에 따른 출력 특성예시도.4 (a) and (b) show output characteristics according to the recording current and signal frequency of the magnetic tape.

Claims (1)

V.T.R.에서의 영상 신호 기록방식에 있어서, 영상신호 입력단자(10)에 통상의 주파수 변환기(8)를 통하여 연결된 주파수 및 이득을 제어하는 기록앰프(9)와 기록전류의 크기 및 주파수를 제어하는 테스트신호 발생부(30)를 각각 스위치부(20)에 접속시키고, 스위치부(20)에 공지의 재생앰프(7)를 통하여 그의 재생신호를 검파하는 검파기(4)를 접속시키고, 기록앰프(9), 테스트 신호 발생부(30), 검파기(4), 스위치부(20)를 제어동작 시키도록 제어부(3)를 각각 연결 구성 시키어 재생시의 신호대 잡음비를 개선함을 특징으로 하는 V.T.R.에서의 자동 기록 전류 보상장치.In the video signal recording method in the VTR, a test for controlling the magnitude and frequency of the recording current and the recording amplifier 9 for controlling the frequency and the gain connected to the video signal input terminal 10 through the normal frequency converter 8 The signal generator 30 is connected to the switch 20, respectively, and the detector 4 is connected to the switch 20 through a known playback amplifier 7 to detect the playback signal thereof. ), The control unit 3 is configured to control the test signal generator 30, the detector 4, and the switch 20, respectively, thereby improving the signal-to-noise ratio during reproduction. Current compensation device. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019830000560A 1983-02-11 1983-02-11 Automatic recording current compensation device in V.T.R. KR840003872A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019830000560A KR840003872A (en) 1983-02-11 1983-02-11 Automatic recording current compensation device in V.T.R.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019830000560A KR840003872A (en) 1983-02-11 1983-02-11 Automatic recording current compensation device in V.T.R.

Publications (1)

Publication Number Publication Date
KR840003872A true KR840003872A (en) 1984-10-04

Family

ID=55176511

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019830000560A KR840003872A (en) 1983-02-11 1983-02-11 Automatic recording current compensation device in V.T.R.

Country Status (1)

Country Link
KR (1) KR840003872A (en)

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E601 Decision to refuse application