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JPS57159185A - Variable speed reproduction controller for magnetic video recorder and reproducer - Google Patents

Variable speed reproduction controller for magnetic video recorder and reproducer

Info

Publication number
JPS57159185A
JPS57159185A JP56043894A JP4389481A JPS57159185A JP S57159185 A JPS57159185 A JP S57159185A JP 56043894 A JP56043894 A JP 56043894A JP 4389481 A JP4389481 A JP 4389481A JP S57159185 A JPS57159185 A JP S57159185A
Authority
JP
Japan
Prior art keywords
signal
detected
circuit
pulse
index
Prior art date
Legal status (The legal status 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 status listed.)
Pending
Application number
JP56043894A
Other languages
English (en)
Inventor
Kotaro Kawamura
Takashi Kouhata
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP56043894A priority Critical patent/JPS57159185A/ja
Publication of JPS57159185A publication Critical patent/JPS57159185A/ja
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B15/00—Driving, 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
    • G11B15/18—Driving; Starting; Stopping; Arrangements for control or regulation thereof
    • G11B15/46—Controlling, regulating, or indicating speed
    • G11B15/467—Controlling, regulating, or indicating speed in arrangements for recording or reproducing wherein both record carriers and heads are driven
    • G11B15/4673—Controlling, regulating, or indicating speed in arrangements for recording or reproducing wherein both record carriers and heads are driven by controlling the speed of the tape while the head is rotating
    • G11B15/4675—Controlling, regulating, or indicating speed in arrangements for recording or reproducing wherein both record carriers and heads are driven by controlling the speed of the tape while the head is rotating with provision for information tracking
JP56043894A 1981-03-27 1981-03-27 Variable speed reproduction controller for magnetic video recorder and reproducer Pending JPS57159185A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56043894A JPS57159185A (en) 1981-03-27 1981-03-27 Variable speed reproduction controller for magnetic video recorder and reproducer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56043894A JPS57159185A (en) 1981-03-27 1981-03-27 Variable speed reproduction controller for magnetic video recorder and reproducer

Publications (1)

Publication Number Publication Date
JPS57159185A true JPS57159185A (en) 1982-10-01

Family

ID=12676411

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56043894A Pending JPS57159185A (en) 1981-03-27 1981-03-27 Variable speed reproduction controller for magnetic video recorder and reproducer

Country Status (1)

Country Link
JP (1) JPS57159185A (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0740298A2 (en) * 1995-04-27 1996-10-30 Samsung Electronics Co., Ltd. Servo apparatus and method for high speed reproduction in digital video cassette recorders

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0740298A2 (en) * 1995-04-27 1996-10-30 Samsung Electronics Co., Ltd. Servo apparatus and method for high speed reproduction in digital video cassette recorders
EP0740298A3 (en) * 1995-04-27 2000-12-20 Samsung Electronics Co., Ltd. Servo apparatus and method for high speed reproduction in digital video cassette recorders

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