KR970057683A - Tape running speed detection circuit and method of image signal processing device - Google Patents

Tape running speed detection circuit and method of image signal processing device Download PDF

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Publication number
KR970057683A
KR970057683A KR1019950056548A KR19950056548A KR970057683A KR 970057683 A KR970057683 A KR 970057683A KR 1019950056548 A KR1019950056548 A KR 1019950056548A KR 19950056548 A KR19950056548 A KR 19950056548A KR 970057683 A KR970057683 A KR 970057683A
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KR
South Korea
Prior art keywords
running speed
tape
jog
signal processing
image signal
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KR1019950056548A
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Korean (ko)
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KR100194037B1 (en
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서병렬
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김광호
삼성전자 주식회사
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Priority to KR1019950056548A priority Critical patent/KR100194037B1/en
Publication of KR970057683A publication Critical patent/KR970057683A/en
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Publication of KR100194037B1 publication Critical patent/KR100194037B1/en

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  • Indexing, Searching, Synchronizing, And The Amount Of Synchronization Travel Of Record Carriers (AREA)
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Abstract

1.청구 범위에 기재된 발명이 속한 기술분야1. Technical field to which the invention described in the claims belongs

영상신호 처리장치의 테이프 주행속도 검출분야Tape running speed detection field of image signal processing device

2.발명이 해결하려고 하는 기술적 과제2. Technical problem that the invention tries to solve

간단한 구성을 가지면서도 에러없이 정확하게 테이프 주행속도를 검출하는 회로 및 방법을 제공함에 있다.The present invention provides a circuit and a method for detecting a tape traveling speed accurately with no errors while having a simple configuration.

3.발명의 해결방법의 요지3. Summary of the solution of the invention

개선된 영상신호 처리장치의 테이프 주행속도 검출회로는 헤드스위칭 펄스에 동기된 조그 펄스를 생성하기 위한 수단과;상기 수단에 연결되며,상기 헤드스위칭 펄스의 구간동안에 인가되는 조그펄스의 갯수를 카운팅하고 그 카운팅 값과 미리 설정된 테이프 재생 모드값을 비교하여 테이프의 주행속도르 검출 및 제어하는 수단을 가짐을 특징으로 한다.The tape running speed detection circuit of the improved image signal processing apparatus includes means for generating a jog pulse synchronized with the head switching pulse; and connected to the means, counting the number of jog pulses applied during the period of the head switching pulse. And a means for detecting and controlling the running speed of the tape by comparing the counting value with a preset tape reproduction mode value.

Description

영상신호 처리장치의 테이프 주행속도 검출회로 및 방법Tape running speed detection circuit and method of image signal processing device

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

제1도는 종래의 테이프 주행속도 검출회로도,1 is a conventional tape traveling speed detection circuit diagram,

제2도는 본 발명에 따른 테이프 주행속도 검출회로도,2 is a tape traveling speed detection circuit according to the present invention;

제3도는 제2도에 따른 테이프 주행속도 검출의 제어 흐름도.3 is a control flowchart of tape travel speed detection according to FIG. 2;

Claims (4)

영상신호 처리장치의 테이프 주행속도 검출회로에 있어서;헤드스위칭 펄스에 동기된 조그 펄스를 생성하기 위한 수단과;상기 수단에 연결되며,상기 헤드스위칭 펄스의 구간동안에 인가되는 조그펄스의 갯수를 카운팅하고 그 카운팅 값과 미리 설정된 테이프 재생 모드값을 비교하여 테이프의 주행속도를 검출 및 제어하는 수단을 가짐을 특징으로 하는 검출회로.A tape running speed detection circuit of an image signal processing apparatus, comprising: means for generating a jog pulse synchronized with a head switching pulse; and coupled to the means, counting the number of jog pulses applied during a period of the head switching pulse. And a means for detecting and controlling the running speed of the tape by comparing the counting value with a preset tape regeneration mode value. 제1항에 있어서,상기 조그 펄스를 생성하는 수단은 드럼모터로부터 인가되는 신호를 증폭하는 프리앰프와,상기 프리앰프로부터 출력되는 신호의 앤벨레프를 검출하는 검출기와,상기 검출기의 출력을 미리설정된 기준신호와 비교하여 조그펄스를 출력하는 비교기로 이루어짐을 특징으로 하는 검출회로.The apparatus of claim 1, wherein the means for generating the jog pulse comprises: a preamplifier for amplifying a signal applied from a drum motor; a detector for detecting an envelope of a signal output from the preamplifier; And a comparator for outputting jog pulses in comparison with the set reference signal. 제1항에 있어서,상기 검출 및 제어수단은 키입력부와 연결되고 캡스턴 모터를 구동하는 구동부와 접속된 마이크로 프로세서임을 특징으로 하는 검출회로.The detection circuit of claim 1, wherein the detection and control means is a microprocessor connected to a key input unit and to a driving unit driving a capstan motor. 영상신호 처리장치의 테이프 주행속도 검출방법에 있어서;조그모드에서 헤드스위칭 펄스의 구간동안에 인가되는 조그펄스의 갯수를 카운팅하고 그 카운팅값과 미리 설정된 테이프 재생 모드값을 비교하여 테이프의 주행속도를 검출 및 제어하는 것을 특징으로 하는 테이프 주행속도 검출방법.A tape running speed detection method of an image signal processing apparatus, comprising: counting the number of jog pulses applied during a period of a head switching pulse in a jog mode, and comparing the counting value with a preset tape regeneration mode value to detect a tape running speed And controlling the tape running speed. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019950056548A 1995-12-26 1995-12-26 Tape running speed detection circuit and method of image signal processing device KR100194037B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019950056548A KR100194037B1 (en) 1995-12-26 1995-12-26 Tape running speed detection circuit and method of image signal processing device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019950056548A KR100194037B1 (en) 1995-12-26 1995-12-26 Tape running speed detection circuit and method of image signal processing device

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KR970057683A true KR970057683A (en) 1997-07-31
KR100194037B1 KR100194037B1 (en) 1999-06-15

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