KR860007826A - Slow motion regenerative servo - Google Patents

Slow motion regenerative servo Download PDF

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Publication number
KR860007826A
KR860007826A KR1019850001819A KR850001819A KR860007826A KR 860007826 A KR860007826 A KR 860007826A KR 1019850001819 A KR1019850001819 A KR 1019850001819A KR 850001819 A KR850001819 A KR 850001819A KR 860007826 A KR860007826 A KR 860007826A
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KR
South Korea
Prior art keywords
slow motion
phase comparison
phase
servo
center
Prior art date
Application number
KR1019850001819A
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Korean (ko)
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KR890004245B1 (en
Inventor
마사루 하시라노
Original Assignee
야마시다 도시히꼬
마쯔시다 덴기 산교 가부시기 가이샤
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Priority to KR1019850001819A priority Critical patent/KR890004245B1/en
Publication of KR860007826A publication Critical patent/KR860007826A/en
Application granted granted Critical
Publication of KR890004245B1 publication Critical patent/KR890004245B1/en

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • H04N5/78—Television signal recording using magnetic recording
    • H04N5/782—Television signal recording using magnetic recording on tape
    • H04N5/783—Adaptations for reproducing at a rate different from the recording rate

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Adjustment Of The Magnetic Head Position Track Following On Tapes (AREA)

Abstract

내용 없음No content

Description

슬로우모우션 재생서어보방식Slow motion regenerative servo

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

제2도는 종래의 슬로우모우션 재생테이프 패턴도,2 is a conventional slow motion recycled tape pattern diagram,

제3도는 본 발명의 슬로우모우션 재생서어보방식의 기본구성을 표시한 블록도,3 is a block diagram showing the basic configuration of the slow motion reproduction servo system of the present invention;

제4도는 본 발명의 주요블록의 동작파형도.4 is an operational waveform diagram of a main block of the present invention.

(1) : 자기테이프, (2) : 실린더전동기, (3) : 주파수발전기, (4) : 속도비교수단, (5) : 혼합회로, (6) : 보정회로, (7) : 구동회로, (8) : 위상비교수단, (9) : L.P.G.(래치펄스발생회로, (10) : P.P.G.(프리세트펄스발생회로), (11) : 게이트회로, (12) : D.P.C(디지탈위상비교회로), (13) : R.S.G(내부기준신호 발생회로), (A),(B) : 회전주(主)헤드, (A′),(B′) : 회전보조헤드.(1): Magnetic tape, (2): Cylinder motor, (3): Frequency generator, (4): Speed comparison means, (5): Mixed circuit, (6): Correction circuit, (7): Driving circuit, (8): Phase comparison means, (9): LPG (latch pulse generation circuit, (10): PPG (preset pulse generation circuit), (11): gate circuit, (12): DPC (digital phase comparison circuit) , (13): RSG (internal reference signal generator), (A), (B): main head of rotation, (A '), (B'): subsidiary head of rotation.

Claims (3)

간헐이송 및 스틸재생을 반복하는 슬로우모우션 재생상태에서, 적어도 상기 간헐이송간을 포함하는 기간에 있어서는 헤드절환신호에 의해 회전헤드 서어보계 위상서어보의 위상비교수단을 위상비교의 동작 중심치에 세트하고, 다른 기간에 있어서는 상기 세트동작을 해제하는 것을 특징으로 하는 슬로우모우션 재생서어보방식.In a slow motion reproducing state in which the intermittent transfer and the still reproduction are repeated, in the period including at least the intermittent transfer interval, the phase comparing means of the phase shifter of the rotational head servomotor is set to the center of motion of the phase comparison by the head switching signal. And the set operation is canceled in another period. 제1항에 있어서, 위상비교수단을 2진 카운터로 구성하여 위상비교의 동작중심체에 대응하는 계수치에 상기 2진 카운터를 프리세트함으로서 세트동작으르 행하는 구성으로 한 것을 특징으로 하는 슬로우모우션 재생서어보방식.The slow motion reproduction circuit according to claim 1, characterized in that the phase comparison means is constituted by a binary counter, and the set operation is performed by presetting the binary counter to a count value corresponding to an operation center of phase comparison. Compensation. 간헐이송 및 시틸재생을 반복하는 슬로우모우션 재생상태에서, 적어도 상기 간헐이송기간을 포함하는 기간에 있어서는 헤드절환신호에 의해 회전헤드 서어보계 위상서어보의 위상비교수단을 위상비교의 동작중심치에 세트하고, 다른 기간에 있어서는 상기 세트동작을 해제함과 동시에, 슬로우모우션 재생의 기간중 캡스턴 전동기의 회전검출신호에 의해 캡스턴 서어보계 위상서어보의 위상비교수단을 위상비교의 동작중심치에 세트하는 것을 특징으로 하는 슬로우모우션 재생서어보배식.In a slow motion reproducing state in which the intermittent transfer and the scene regeneration are repeated, in the period including at least the intermittent transfer period, the phase comparison means of the rotating head servo phase shifter is set to the center of operation of the phase comparison by the head switching signal. The phase comparison means of the capstan servo-phased phase servo is set to the center of operation of the phase comparison by the rotation detection signal of the capstan motor during the slow motion regeneration. Slow motion regenerative servo expression. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019850001819A 1985-03-20 1985-03-20 Slow motion regeneration servo-system KR890004245B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019850001819A KR890004245B1 (en) 1985-03-20 1985-03-20 Slow motion regeneration servo-system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019850001819A KR890004245B1 (en) 1985-03-20 1985-03-20 Slow motion regeneration servo-system

Publications (2)

Publication Number Publication Date
KR860007826A true KR860007826A (en) 1986-10-17
KR890004245B1 KR890004245B1 (en) 1989-10-27

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Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019850001819A KR890004245B1 (en) 1985-03-20 1985-03-20 Slow motion regeneration servo-system

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KR (1) KR890004245B1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100444191B1 (en) 2003-03-17 2004-08-21 주식회사 파이컴 Probe positioning and bonding system and method thereof

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Publication number Publication date
KR890004245B1 (en) 1989-10-27

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