JPS52128103A - Rotary phase control circuit in video signal reproducing unit - Google Patents

Rotary phase control circuit in video signal reproducing unit

Info

Publication number
JPS52128103A
JPS52128103A JP4587976A JP4587976A JPS52128103A JP S52128103 A JPS52128103 A JP S52128103A JP 4587976 A JP4587976 A JP 4587976A JP 4587976 A JP4587976 A JP 4587976A JP S52128103 A JPS52128103 A JP S52128103A
Authority
JP
Japan
Prior art keywords
control circuit
video signal
phase control
reproducing unit
signal reproducing
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
JP4587976A
Other languages
Japanese (ja)
Inventor
Ichiro Takahara
Hiroyoshi Hashimoto
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.)
Sanyo Electric Co Ltd
Original Assignee
Sanyo Electric Co 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 Sanyo Electric Co Ltd filed Critical Sanyo Electric Co Ltd
Priority to JP4587976A priority Critical patent/JPS52128103A/en
Publication of JPS52128103A publication Critical patent/JPS52128103A/en
Pending legal-status Critical Current

Links

Classifications

    • 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
    • G11B19/28—Speed controlling, regulating, or indicating

Landscapes

  • Rotational Drive Of Disk (AREA)
  • Control Of Velocity Or Acceleration (AREA)

Abstract

PURPOSE:To promote the control characteristics by means of utilizing both signals such as vertical and horizontal synchronous signals in a reproducing signal, and a rotary phase of a motor as a rotation phase detection signal.
JP4587976A 1976-04-19 1976-04-19 Rotary phase control circuit in video signal reproducing unit Pending JPS52128103A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4587976A JPS52128103A (en) 1976-04-19 1976-04-19 Rotary phase control circuit in video signal reproducing unit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4587976A JPS52128103A (en) 1976-04-19 1976-04-19 Rotary phase control circuit in video signal reproducing unit

Publications (1)

Publication Number Publication Date
JPS52128103A true JPS52128103A (en) 1977-10-27

Family

ID=12731500

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4587976A Pending JPS52128103A (en) 1976-04-19 1976-04-19 Rotary phase control circuit in video signal reproducing unit

Country Status (1)

Country Link
JP (1) JPS52128103A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55140383A (en) * 1979-04-20 1980-11-01 Hitachi Ltd Jitter servo unit of video disc player
JPS5746689A (en) * 1980-09-04 1982-03-17 Matsushita Electric Ind Co Ltd Speed controller
JPS59171279A (en) * 1983-03-17 1984-09-27 Sony Corp Synchronous controller of video disc player
JPS60126978A (en) * 1983-12-14 1985-07-06 Hitachi Ltd Motor servo circuit of record and reproduction type video disk player
JPS60176376A (en) * 1984-02-22 1985-09-10 Nippon Kogaku Kk <Nikon> Reproducing servo circuit

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55140383A (en) * 1979-04-20 1980-11-01 Hitachi Ltd Jitter servo unit of video disc player
JPS5746689A (en) * 1980-09-04 1982-03-17 Matsushita Electric Ind Co Ltd Speed controller
JPS6212583B2 (en) * 1980-09-04 1987-03-19 Matsushita Electric Ind Co Ltd
JPS59171279A (en) * 1983-03-17 1984-09-27 Sony Corp Synchronous controller of video disc player
JPH0546154B2 (en) * 1983-03-17 1993-07-13 Sony Corp
JPS60126978A (en) * 1983-12-14 1985-07-06 Hitachi Ltd Motor servo circuit of record and reproduction type video disk player
JPS60176376A (en) * 1984-02-22 1985-09-10 Nippon Kogaku Kk <Nikon> Reproducing servo circuit

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