KR940016142A - Apparatus and method for judging speed control mode in multi-function mode control - Google Patents

Apparatus and method for judging speed control mode in multi-function mode control Download PDF

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Publication number
KR940016142A
KR940016142A KR1019920024626A KR920024626A KR940016142A KR 940016142 A KR940016142 A KR 940016142A KR 1019920024626 A KR1019920024626 A KR 1019920024626A KR 920024626 A KR920024626 A KR 920024626A KR 940016142 A KR940016142 A KR 940016142A
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KR
South Korea
Prior art keywords
speed control
control mode
mode
envelope
tape
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KR1019920024626A
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Korean (ko)
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KR0155715B1 (en
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권혁순
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윤종용
삼성전자 주식회사
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Priority to KR1019920024626A priority Critical patent/KR0155715B1/en
Publication of KR940016142A publication Critical patent/KR940016142A/en
Application granted granted Critical
Publication of KR0155715B1 publication Critical patent/KR0155715B1/en

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    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B19/00—Driving, starting, stopping record carriers not specifically of filamentary or web form, or of supports therefor; Control thereof; Control of operating function ; Driving both disc and head
    • G11B19/20—Driving; Starting; Stopping; Control thereof

Abstract

다기능모드 제어시 속도제어모드 판단장치 및 방법은 테이프에 기록된 속도판단을 발생되는 포락선의 형태변화에 따라 함으로써, 속도판단시 에러발생율을 감소하기 위한 것이다. 이를 위하여 장치는 포락선검파기에서 출력되는 포락선의 형태에 따라 구형파를 출력하기 위한 파형정형기, 파형정형기에서 출력되는 파형수를 일정기간동안 계수하고 소정의 기준값에 계수된 값을 비교하여 기록제어시 테이프의 속도제어모드를 판단하기 위한 마이컴을 포함하도록 구성되고; 방법은 다기능모드중 소정의 모드로 테이프의 속도제어모드를 설정하기 위한 속도제어설정과정; 속도제어모드 설정과정에 의하여 설정된 속도에 따라 재생되는 영상신호에 대한 포락선을 검파하는 과정을 통해 검파된 포락선의 산과 골의 형태에 따라 구형파로 정형하기 위한 파형정형과정; 파형정형과정에서 정형화된 파형의 숫자를 일정 기간동안 계수하기 위한 계수과정; 계수과정에 계수된 결과를 속도제어모드 설정과정에서 설정된 모드에서 발생될 수 있는 고유의 숫자와 비교하여 테이프의 기록시 사용된 속도제어모드를 판단하기 위한 속도제어모드판단과정을 포함하도록 구성된다.The apparatus and method for determining the speed control mode in the multi-function mode control is to reduce the error occurrence rate at the speed determination by making the speed determination recorded on the tape according to the change of the shape of the envelope. To this end, the device counts waveforms for outputting square waves according to the envelope type output from the envelope detector, counts the number of waveforms output from the waveform shaper for a certain period of time and compares the values counted to a predetermined reference value. A microcomputer for determining the speed control mode; The method includes a speed control setting process for setting the speed control mode of the tape to a predetermined mode among the multifunction modes; A waveform shaping process for shaping a square wave according to the shape of the peaks and valleys of the detected envelope through a process of detecting an envelope of an image signal reproduced at a speed set by the speed control mode setting process; A counting process for counting the number of the waveforms shaped during the waveform shaping process for a predetermined period; And a speed control mode determination process for determining the speed control mode used when recording the tape by comparing the result counted in the counting process with a unique number that can be generated in the mode set in the speed control mode setting process.

Description

다기능모드 제어시 속도제어모드 판단장치 및 방법Apparatus and method for judging speed control mode in multi-function mode control

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

제3도는 본 발명에 따른 다기능모드 제어시 속도제어모드 판단장치를 나타낸 블럭도이다. 제4A~D도는 제3도에 도시된 장치의 각 부분의 출력파형도이다.3 is a block diagram showing an apparatus for determining a speed control mode in controlling the multifunction mode according to the present invention. 4A-D are output waveform diagrams of the respective parts of the apparatus shown in FIG.

Claims (5)

헤드와, 상기 헤드를 통해 테이프로부터 재생되는 영상신호의 포락선을 검파하기 위한 포락선 검파기를 구비하여 다기능모드 제어시 기록시 사용된 속도제어모드 판단하기 위한 장치에 있어서; 상기 포락선검파기에서 출력되는 포락선의 형태에 따라 구형파를 출력하기 위한 파형정형기; 상기 파형정형기에서 출력되는 파형수를 일정기간동안 계수하고 소정의 기준값에 계수된 값을 비교하여 기록제어시 상기 테이프의 속도제어모드를 판단하여 속도제어신호를 출력하기위한 마이컴을 포함함을 특징으로 다기능모드 제어시 속도제어모드 판단장치.An apparatus for determining a speed control mode used during recording in a multifunction mode control, comprising a head and an envelope detector for detecting an envelope of an image signal reproduced from a tape through the head; A waveform shaper for outputting a square wave according to the shape of an envelope output from the envelope detector; And counting the number of waveforms output from the waveform shaper for a predetermined period and comparing the values counted to a predetermined reference value to determine the speed control mode of the tape during recording control, and to output a speed control signal. Speed control mode judgment device in multi-function mode control. 제1항에 있어서, 상기 마이컴의 상기 기준값은 상기 다기능모드에 따라 설정되는 포락선의 고유 발생숫자로 설정됨을 특징으로 다기능모드 제어시 속도제어모드 판단장치.The apparatus of claim 1, wherein the reference value of the microcomputer is set to a unique number of occurrences of an envelope set according to the multifunction mode. 제1항에 있어서, 상기 마이컴의 상기 일정기간은, 상기 헤드의 1헤드스위칭구간임을 특징으로 하는 다기능모드 제어시 속도제어모드 판단장치.The apparatus of claim 1, wherein the predetermined period of the microcomputer is one head switching section of the head. 헤드를 통해 테이프로부터 재생되는 영상신호의 포락선을 검파하는 과정에 의하여 다기능모드 제어시 기록시 사용된 속도제어모드 판단하기 위한 방법에 있어서; 상기 다기능모드중 소정의 모드로 상기 테이프의 속도제어모드를 설정하기 위한 속도제어설정과정; 상기 속도제어모드 설정과정에 의하여 설정된 속도에 따라 재생되는 영상신호에 대한 상기 포락선을 검파하는 과정을 통해 검파된 포락선의 산과 골의 형태에 따라 구형파로 정형하기 위한 파형정형과정; 상기 파형정형과정에서 정형화된 파형의 숫자를 일정 기간동안 계수하기 위한 계수과정; 상기 계수과정에 계수된 결과를 상기 속도제어모드 설정 과정에서 설정된 모드에서 발생될 수 있는 고유의 숫자와, 비교하여 상기 테이프의 기록시 사용된 속도제어모드를 판단하기 위한 속도제어모드판단과정을 포함함을 특징으로 다기능모드 제어시 속도제어모드 판단방법.A method for judging a speed control mode used during recording in a multifunction mode control by detecting an envelope of an image signal reproduced from a tape through a head; A speed control setting process for setting the speed control mode of the tape to a predetermined one of the multifunction modes; A waveform shaping process for shaping a square wave according to the shape of the peaks and valleys of the detected envelope by detecting the envelope of the image signal reproduced at the speed set by the speed control mode setting process; A counting step of counting the number of waveforms shaped in the waveform shaping process for a predetermined period; And a speed control mode determination process for determining the speed control mode used when recording the tape by comparing the result counted in the counting process with a unique number that can be generated in the mode set in the speed control mode setting process. Method for judging speed control mode in multi-function mode control. 제4항에 있어서, 상기 계수과정의 일정기간은, 상기 헤드의 1헤드스위칭구간임을 특징으로 하는 다기능모드 제어시 속도제어모드 판단방법.5. The method of claim 4, wherein the predetermined period of the counting process is one head switching section of the head. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019920024626A 1992-12-17 1992-12-17 Method and apparatus for mode detecting in multi function control of vcr KR0155715B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019920024626A KR0155715B1 (en) 1992-12-17 1992-12-17 Method and apparatus for mode detecting in multi function control of vcr

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019920024626A KR0155715B1 (en) 1992-12-17 1992-12-17 Method and apparatus for mode detecting in multi function control of vcr

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KR940016142A true KR940016142A (en) 1994-07-22
KR0155715B1 KR0155715B1 (en) 1998-12-15

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