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JPS5240308A - Rotary driver - Google Patents

Rotary driver

Info

Publication number
JPS5240308A
JPS5240308A JP50117007A JP11700775A JPS5240308A JP S5240308 A JPS5240308 A JP S5240308A JP 50117007 A JP50117007 A JP 50117007A JP 11700775 A JP11700775 A JP 11700775A JP S5240308 A JPS5240308 A JP S5240308A
Authority
JP
Japan
Prior art keywords
rotary driver
recording disc
maintains
random positions
constant
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
JP50117007A
Other languages
Japanese (ja)
Inventor
Keiichiro Horai
Ryoichi Imanaka
Toshiro Kamogawa
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial 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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Priority to JP50117007A priority Critical patent/JPS5240308A/en
Publication of JPS5240308A publication Critical patent/JPS5240308A/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
    • G11B19/24—Arrangements for providing constant relative speed between record carrier and head

Landscapes

  • Rotational Drive Of Disk (AREA)

Abstract

PURPOSE:Offer rotary driver of recording disc player that maintains tangent speed at random positions of recording disc constant.
JP50117007A 1975-09-27 1975-09-27 Rotary driver Pending JPS5240308A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP50117007A JPS5240308A (en) 1975-09-27 1975-09-27 Rotary driver

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50117007A JPS5240308A (en) 1975-09-27 1975-09-27 Rotary driver

Publications (1)

Publication Number Publication Date
JPS5240308A true JPS5240308A (en) 1977-03-29

Family

ID=14701141

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50117007A Pending JPS5240308A (en) 1975-09-27 1975-09-27 Rotary driver

Country Status (1)

Country Link
JP (1) JPS5240308A (en)

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55101161A (en) * 1978-11-16 1980-08-01 Mca Disco Vision Device for rotating information stored disk
EP0049136A2 (en) * 1980-09-30 1982-04-07 Kabushiki Kaisha Toshiba Rotational speed controlling apparatus for recording disc
US4351044A (en) * 1979-01-09 1982-09-21 Matsushita Electric Industrial Co., Ltd. Recording system using disk-shaped recording medium
JPS5837875A (en) * 1981-08-31 1983-03-05 Nec Home Electronics Ltd Controller of disk revolution
JPS5837874A (en) * 1981-08-31 1983-03-05 Nec Home Electronics Ltd Controller of disk revolution
JPS5837873A (en) * 1981-08-31 1983-03-05 Nec Home Electronics Ltd Controller of disk revolution
JPS5885974A (en) * 1981-11-16 1983-05-23 Akai Electric Co Ltd Equilinear speed controller of disk player
JPS5885972A (en) * 1981-11-16 1983-05-23 Akai Electric Co Ltd Equilinear speed controller of disk player
USRE32431E (en) * 1978-11-16 1987-06-02 Discovision Associates System for rotating an information storage disc at a variable angular velocity to recover information therefrom at a prescribed constant rate
US5808990A (en) * 1996-12-17 1998-09-15 Cinram, Inc. Method and apparatus for controlling the linear velocity between an optical head and a rotation disk

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS493606A (en) * 1972-04-21 1974-01-12
JPS4990503A (en) * 1972-12-28 1974-08-29

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS493606A (en) * 1972-04-21 1974-01-12
JPS4990503A (en) * 1972-12-28 1974-08-29

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USRE32431E (en) * 1978-11-16 1987-06-02 Discovision Associates System for rotating an information storage disc at a variable angular velocity to recover information therefrom at a prescribed constant rate
JPS55101161A (en) * 1978-11-16 1980-08-01 Mca Disco Vision Device for rotating information stored disk
JPH0444341B2 (en) * 1978-11-16 1992-07-21 Discovision Ass
JPH03173972A (en) * 1978-11-16 1991-07-29 Discovision Assoc Information storage disk rotating apparatus
JPH0130236B2 (en) * 1978-11-16 1989-06-16 Mca Disco Vision
US4351044A (en) * 1979-01-09 1982-09-21 Matsushita Electric Industrial Co., Ltd. Recording system using disk-shaped recording medium
EP0049136A2 (en) * 1980-09-30 1982-04-07 Kabushiki Kaisha Toshiba Rotational speed controlling apparatus for recording disc
JPS5837875A (en) * 1981-08-31 1983-03-05 Nec Home Electronics Ltd Controller of disk revolution
JPS5837873A (en) * 1981-08-31 1983-03-05 Nec Home Electronics Ltd Controller of disk revolution
JPS5837874A (en) * 1981-08-31 1983-03-05 Nec Home Electronics Ltd Controller of disk revolution
JPS5885972A (en) * 1981-11-16 1983-05-23 Akai Electric Co Ltd Equilinear speed controller of disk player
JPS5885974A (en) * 1981-11-16 1983-05-23 Akai Electric Co Ltd Equilinear speed controller of disk player
US5808990A (en) * 1996-12-17 1998-09-15 Cinram, Inc. Method and apparatus for controlling the linear velocity between an optical head and a rotation disk

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