KR870003478A - Magnetic recording and playback device - Google Patents

Magnetic recording and playback device Download PDF

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Publication number
KR870003478A
KR870003478A KR1019850010098A KR850010098A KR870003478A KR 870003478 A KR870003478 A KR 870003478A KR 1019850010098 A KR1019850010098 A KR 1019850010098A KR 850010098 A KR850010098 A KR 850010098A KR 870003478 A KR870003478 A KR 870003478A
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KR
South Korea
Prior art keywords
speed
reproducing
signal
normal
magnetic tape
Prior art date
Application number
KR1019850010098A
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Korean (ko)
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KR900005287B1 (en
Inventor
오사무 와다나베
Original Assignee
사에끼 아끼라
샤아프 가부시기가이샤
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Application filed by 사에끼 아끼라, 샤아프 가부시기가이샤 filed Critical 사에끼 아끼라
Publication of KR870003478A publication Critical patent/KR870003478A/en
Application granted granted Critical
Publication of KR900005287B1 publication Critical patent/KR900005287B1/en

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Classifications

    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B15/00Driving, starting or stopping record carriers of filamentary or web form; Driving both such record carriers and heads; Guiding such record carriers or containers therefor; Control thereof; Control of operating function
    • G11B15/02Control of operating function, e.g. switching from recording to reproducing

Landscapes

  • Television Signal Processing For Recording (AREA)

Abstract

내용 없음No content

Description

자기기록 재생장치Magnetic recording and playback device

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

제1도는 본 발명의 한실시의 개략구조를 표시하는 회로도.1 is a circuit diagram showing a schematic structure of one embodiment of the present invention.

제2도 내지 3도는 제1도의 회로구조의 각부분의 기능을 설명하는 신호파형도.2 to 3 are signal waveform diagrams for explaining the function of each part of the circuit structure of FIG.

* 도면의 주요부분의 부호의 설명* Explanation of the symbols of the main parts of the drawings

1… 캡스턴 시어보회로 2…제어헤드 3…캡스턴 5…테이프 6…회전헤드 7…헤드스위치회로 8…영상재생회로 9…가청헤드 10…가청증폭기 11…음향스위치 12…비데오탐색스위치 13…재생시간단축수단 14…초퍼회로 15…발진회로 21…증폭기 22…주파수분할기 23…주파수판별기 26…주파수분할기 27…위상비교기 31,32,33…헤드증폭기 34…복조회로 40…펄스선택회로One… Capstan sheer circuit 2. Control head 3.. Capstan 5... Tape 6.. Rotary head 7.. Head switch circuit 8.. Video reproducing circuit 9. Audible head 10... Audible amplifier 11... Acoustic switch 12.. Video search switch 13... Playback time reduction means 14... Chopper circuit 15... Oscillation circuit 21... Amplifier 22.. Frequency divider 23.. Frequency discriminator 26.. Frequency divider 27.. Phase comparators 31, 32, 33... Head amplifier 34.. Demodulation circuit 40... Pulse selection circuit

Claims (5)

정상의 재생속도보다 2배 또는 그 이하의 빠른 속도로 재생속도를 절체하게 적용되는 재생속도 절체수단과 음향신호를 위한 재생시간 단축수단과, 말소리를 출력하게 또한 재생시간 단축수단에 의하여 실행되는 음향신호 및 재생시간 단축수단에 의하여 실행되는 음향신호를 위한 절체조작을 수행하게 적용되는 절체수단을 가지는 것을 특징으로 하는 영상 말소리를 재생하기 위한 지기기록 재생장치.Playback speed switching means for alternating the playback speed at speeds two times or less than the normal playback speed, means for shortening the playing time for sound signals, and sounds executed by means of outputting speech and also for reducing the playing time. And a switching device adapted to perform a switching operation for a sound signal executed by the signal and the reproduction time reduction means. 제1항에 있어서, 재생속도 절체수단은 정상의 재생속도의 1.5배 속도로 재생속도를 절체하게 적용 되는 자기기록 재생장치.The magnetic recording and reproducing apparatus according to claim 1, wherein the reproducing speed switching means is adapted to alternately reproduce the reproducing speed at a rate of 1.5 times the normal reproducing speed. 제2항에 있어서, 자기테이프의 기록영상신호를 재생하기 위한 영상재생수단가 자기테이프를 주행시키게 테이프를 보내고 받는 수단을 가진 재생속도 절체수단과 주행속도를 검출하기 위한 속도검출수단과, 영상재생수단과 자기테이프의 위상을 제어하게 자기테이프에 기록된 제어신호를 검출하기 위한 위상검출수단과 위상검출수단과 속도 검출수단부터의 검출신호에 따라 테이프를 보내고 받는 수단에 주어진 신호를 송신하기 위한 제어수단과, 정상의 재생속도의 1.5배의 속도의 재생조작에서 제어수단으로 위상제어수단부터의 검출신호와, 속도검출수단부터의 검출신호를 주어진 치로 교정하기 위한 교정수단을 가지는 자기기록 재생장치.3. The apparatus according to claim 2, wherein the image reproducing means for reproducing the recorded video signal of the magnetic tape has a reproduction speed switching means having means for sending and receiving a tape to drive the magnetic tape, a speed detecting means for detecting the traveling speed, and an image reproducing means. And phase detecting means for detecting a control signal recorded on the magnetic tape so as to control the phase of the magnetic tape and control means for transmitting a signal given to the means for sending and receiving the tape according to the detected signal from the phase detecting means and the speed detecting means. And a correction means for correcting the detection signal from the phase control means and the detection signal from the speed detection means to a given value in a reproducing operation at a speed 1.5 times the normal reproducing speed. 제3항에 있어서, 영상 재생수단이 2중방위각 헤드로서 회전드럼의 대각선에 배치된 헤드를 가진 회전헤드와 상기 헤드의 각각을 통하여 야기되는 재생출력을 선택하기 위한 절제수단과 주어진 명령에 따라 스위치제어수단을 구동하기 위한 스위치제어수단을 가지고 그것에 의하여 절체조작이 정상의 재생속도의 1.5배의 속도에서 기록 자기테이프를 재생하게 절체수단에 의하여 수직의 블랭킹시기에서 2중방위 각 헤드의 하나에 실행되는 재생장치.4. The switch according to claim 3, wherein the image reproducing means is a dual azimuth head having a rotating head having a head disposed diagonally of the rotating drum, and a control means for selecting a regeneration output caused through each of the heads and a switch according to a given command. A switch control means for driving the control means, whereby the transfer operation is carried out by one of the heads in each of the dual orientations at the vertical blanking time by the transfer means such that the transfer operation reproduces the recording magnetic tape at a speed 1.5 times the normal regeneration speed. Playback device. 재생시간단축수단을 통하여 고속에서 기록된 음향신호를 재생하기 위한 수단을 포함하고 여기에서 기록된 비데오신호를 위한 재생속도가 정상의 기록속도의 2배보다 작으나 보다 큰 속도를 절체되게 적응되는 것을 특징으로 하는 자기기록 재생장치.Means for reproducing the sound signal recorded at high speed through the reproducing time reduction means, wherein the reproducing speed for the recorded video signal is less than twice the normal recording speed, but is adapted to a higher speed. Magnetic recording and reproducing apparatus. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019850010098A 1985-09-12 1985-12-31 Magnetic record regenerative apparatus KR900005287B1 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP85-2027710 1985-09-12
JP60202710A JPH067416B2 (en) 1985-09-12 1985-09-12 Magnetic recording / reproducing device
JP85-2027711 1985-09-12
JP202710 1985-09-12

Publications (2)

Publication Number Publication Date
KR870003478A true KR870003478A (en) 1987-04-17
KR900005287B1 KR900005287B1 (en) 1990-07-27

Family

ID=16461868

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019850010098A KR900005287B1 (en) 1985-09-12 1985-12-31 Magnetic record regenerative apparatus

Country Status (2)

Country Link
JP (1) JPH067416B2 (en)
KR (1) KR900005287B1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2723545B2 (en) * 1988-08-03 1998-03-09 松下電器産業株式会社 Frequency divider and capstan servo device

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS521684Y2 (en) * 1972-11-17 1977-01-14
JPS53125302A (en) * 1977-04-07 1978-11-01 Marugo Kk Method of operating largeediameter earth drill
JPS57104789A (en) * 1980-12-22 1982-06-29 Tousuke Shimanuki Drilling method and apparatus

Also Published As

Publication number Publication date
JPS6262462A (en) 1987-03-19
KR900005287B1 (en) 1990-07-27
JPH067416B2 (en) 1994-01-26

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