GB2142465B - Position memory for laser reproduction unit - Google Patents

Position memory for laser reproduction unit

Info

Publication number
GB2142465B
GB2142465B GB08416235A GB8416235A GB2142465B GB 2142465 B GB2142465 B GB 2142465B GB 08416235 A GB08416235 A GB 08416235A GB 8416235 A GB8416235 A GB 8416235A GB 2142465 B GB2142465 B GB 2142465B
Authority
GB
United Kingdom
Prior art keywords
reproduction unit
position memory
laser reproduction
laser
memory
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.)
Expired
Application number
GB08416235A
Other versions
GB2142465A (en
GB8416235D0 (en
Inventor
Alayer De Costemore D Arc St D
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.)
Staar SA
Original Assignee
Staar SA
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 Staar SA filed Critical Staar SA
Publication of GB8416235D0 publication Critical patent/GB8416235D0/en
Publication of GB2142465A publication Critical patent/GB2142465A/en
Application granted granted Critical
Publication of GB2142465B publication Critical patent/GB2142465B/en
Expired 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
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • 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
    • G11B19/02—Control of operating function, e.g. switching from recording to reproducing
    • G11B19/04—Arrangements for preventing, inhibiting, or warning against double recording on the same blank or against other recording or reproducing malfunctions
GB08416235A 1983-06-30 1984-06-26 Position memory for laser reproduction unit Expired GB2142465B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BE897174 1983-06-30

Publications (3)

Publication Number Publication Date
GB8416235D0 GB8416235D0 (en) 1984-08-01
GB2142465A GB2142465A (en) 1985-01-16
GB2142465B true GB2142465B (en) 1986-12-03

Family

ID=3862213

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08416235A Expired GB2142465B (en) 1983-06-30 1984-06-26 Position memory for laser reproduction unit

Country Status (3)

Country Link
KR (1) KR910007907B1 (en)
FR (1) FR2548424B1 (en)
GB (1) GB2142465B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USRE34475E (en) * 1984-07-02 1993-12-14 U.S. Philips Corporation Apparatus for automatically reproducing preferred selections from a record carrier
NL8402095A (en) * 1984-07-02 1986-02-03 Philips Nv DEVICE FOR DISPLAYING INFORMATION FROM A REGISTRATION HOLDER.
US4881139A (en) * 1985-01-25 1989-11-14 Priam Corporation Latch mechanism for rotary actuator and the like
US4686595A (en) * 1985-10-17 1987-08-11 Xebec Development Partners, Ltd. Apparatus for repositioning a transducer in the absence of electrical current to a drive system

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL7808638A (en) * 1978-08-22 1980-02-26 Philips Nv DEVICE FOR READING A DISC REGISTRATION CARRIER.
JPS5698722A (en) * 1979-12-29 1981-08-08 Matsushita Electric Ind Co Ltd Optical device
JPS5723162A (en) * 1980-07-17 1982-02-06 Toshiba Corp Magnetic disk controller
US4484287A (en) * 1980-09-30 1984-11-20 Fujitsu Fanuc Limited System for restoring numerically controlled machine tool to former condition
JPS57208674A (en) * 1981-06-19 1982-12-21 Hitachi Ltd Video disk reproducer
JPS5845670A (en) * 1981-09-07 1983-03-16 Matsushita Electric Ind Co Ltd Magnetic disc device
JPS58161175A (en) * 1982-03-19 1983-09-24 Toshiba Corp Record player

Also Published As

Publication number Publication date
GB2142465A (en) 1985-01-16
GB8416235D0 (en) 1984-08-01
FR2548424B1 (en) 1988-01-08
KR910007907B1 (en) 1991-10-04
FR2548424A1 (en) 1985-01-04
KR850000103A (en) 1985-02-25

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Legal Events

Date Code Title Description
PE20 Patent expired after termination of 20 years

Effective date: 20040625