NL7801528A - Optisch weergeefstelsel. - Google Patents

Optisch weergeefstelsel.

Info

Publication number: NL7801528A
Authority: NL; Netherlands
Prior art keywords: display system; optical display; optical; display
Prior art date: 1977-02-09

Application number

NL7801528A

Other languages

English (en)

Original Assignee

Mitsubishi Electric Corp

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.)

1977-02-09

Filing date

1978-02-09

Publication date

1978-08-11

1978-02-09 Application filed by Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp

1978-08-11 Publication of NL7801528A publication Critical patent/NL7801528A/nl

Classifications

- 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
- G11B7/08—Disposition or mounting of heads or light sources relatively to record carriers
- G11B7/09—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
- G11B7/0901—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following for track following only
- G11B7/0903—Multi-beam tracking systems
- 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
- G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam

Landscapes

Physics & Mathematics (AREA)
Optics & Photonics (AREA)
Optical Recording Or Reproduction (AREA)
Automatic Focus Adjustment (AREA)

NL7801528A 1977-02-09 1978-02-09 Optisch weergeefstelsel. NL7801528A (nl)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
JP1358377A JPS5398802A (en)	1977-02-09	1977-02-09	Optical reproducer

Publications (1)

Publication Number	Publication Date
NL7801528A true NL7801528A (nl)	1978-08-11

Family

ID=11837192

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
NL7801528A NL7801528A (nl)	1977-02-09	1978-02-09	Optisch weergeefstelsel.

Country Status (5)

Country	Link
US (1)	US4305144A (nl)
JP (1)	JPS5398802A (nl)
DE (1)	DE2805458C2 (nl)
GB (1)	GB1595683A (nl)
NL (1)	NL7801528A (nl)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS56152941U (nl) *	1980-04-14	1981-11-16
US4484319A (en) *	1980-09-19	1984-11-20	Matsushita Electric Industrial Co., Ltd.	Apparatus for locating a track on disc-like optical information carriers
JPS57111837A (en) *	1980-12-27	1982-07-12	Olympus Optical Co Ltd	Signal detecting system of optical information reader
FR2497378B1 (fr) *	1980-12-29	1985-06-28	Thomson Csf	Dispositif compensateur de desequilibre d'un miroir de renvoi appartenant a un systeme optique d'eclairement d'un support d'information
US4458144A (en) *	1981-06-30	1984-07-03	Storage Technology Corporation	Apparatus for reading information stored in a track pattern on a radiation reflecting record
JPS5819744A (ja) *	1981-07-24	1983-02-04	Sony Corp	光学式記録再生装置
JPS58147823A (ja) *	1982-02-25	1983-09-02	Mitsubishi Electric Corp	トラツクずれ検出装置
US4462095A (en) *	1982-03-19	1984-07-24	Magnetic Peripherals Inc.	Moving diffraction grating for an information track centering system for optical recording
JPS59139152A (ja) *	1983-01-28	1984-08-09	Canon Inc	光情報再生方法および装置

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR2212070A6 (nl) *	1972-08-25	1974-07-19	Thomson Csf
FR2266932B1 (nl) *	1973-03-02	1977-09-02	Thomson Brandt
DE2445333A1 (de) *	1973-10-01	1975-04-10	Philips Nv	Optoelektronisches system zur bestimmung einer abweichung zwischen der istlage und der sollage einer ebene in einem optischen abbildungssystem
US3919465A (en) *	1974-01-14	1975-11-11	Zenith Radio Corp	Optical system for directly detecting spatially recorded signals
US3931459A (en) *	1974-02-04	1976-01-06	Zenith Radio Corporation	Video disc
US4057833A (en) *	1974-10-03	1977-11-08	U.S. Philips Corporation	Centering detection system for an apparatus for playing optically readable record carriers
JPS51149004A (en) *	1975-02-24	1976-12-21	Sony Corp	Optical apparatus
JPS598892B2 (ja) *	1975-06-19	1984-02-28	ソニー株式会社	信号の光学的記録再生装置
NL182990C (nl) *	1975-07-07	1988-06-16	Philips Nv	Inrichting voor het uitlezen van een stralingsreflekterende registratiedrager.
JPS5223310A (en) *	1975-08-18	1977-02-22	Victor Co Of Japan Ltd	Data signal optical regeneration system
FR2325987A1 (fr) *	1975-09-29	1977-04-22	Thomson Brandt	Dispositif de lecture optique d'un enregistrement
US4065786A (en) *	1975-09-30	1977-12-27	Rca Corporation	Videodisc playback system
NL7600843A (nl) *	1976-01-28	1977-08-01	Philips Nv	Inrichting voor het uitlezen van een registratie- drager waarop informatie, bijvoorbeeld en/of ge- luidsinformatie, is aangebracht.

1977
- 1977-02-09 JP JP1358377A patent/JPS5398802A/ja active Pending
1978
- 1978-02-06 GB GB4604/78A patent/GB1595683A/en not_active Expired
- 1978-02-09 DE DE2805458A patent/DE2805458C2/de not_active Expired
- 1978-02-09 NL NL7801528A patent/NL7801528A/nl not_active Application Discontinuation
1979
- 1979-12-11 US US06/102,524 patent/US4305144A/en not_active Expired - Lifetime

Also Published As

Publication number	Publication date
US4305144A (en)	1981-12-08
DE2805458A1 (de)	1978-08-10
DE2805458C2 (de)	1986-09-25
GB1595683A (en)	1981-08-12
JPS5398802A (en)	1978-08-29

Publication	Publication Date	Title
NL7700321A (nl)	1977-07-15	Weergeefstelsel.
NL7808795A (nl)	1979-03-15	Stoppenbordstelsel.
NL7800844A (nl)	1978-08-11	Bypass - doorspoelsysteem.
NL7807652A (nl)	1979-01-23	Signaalweergeefstelsel.
AT382726B (de)	1987-04-10	Vergroesserndes optisches system
DK72678A (da)	1978-08-19	Optisk taellesegmentvisning
SE7806162L (sv)	1978-12-02	Optiskt system
AT347716B (de)	1979-01-10	Optisches system
NL186541C (nl)	1990-12-17	Optisch stelsel.
NL7809382A (nl)	1979-03-20	Optisch stelsel.
NO772953L (no)	1978-09-12	Fremvisningsinnretning.
NL7700913A (nl)	1977-08-02	Weergeefstelsel.
AT364984B (de)	1981-11-25	Optisches system
NL7801474A (nl)	1978-08-14	Lensstelsel.
IT7823773A0 (it)	1978-05-25	Apparato ottico elaboratore disegnali.
IT7820834A0 (it)	1978-03-03	Dispositivo di visualizzazione elettrocromico.
NL7801528A (nl)	1978-08-11	Optisch weergeefstelsel.
SE7802955L (sv)	1978-09-18	Elektro-optiskt metsystem
NL7712007A (nl)	1978-05-09	Optisch stelsel.
NO774480L (no)	1978-07-27	Sikt.
NL7810125A (nl)	1979-04-10	Beeldweergavesysteem.
AT350125B (de)	1979-05-10	Optisches anzeigeelement
NL7808370A (nl)	1979-03-02	Lensstelsel.
NL7808120A (nl)	1979-04-03	Lichtsignaal.
SE425579B (sv)	1982-10-11	Optiskt system

Legal Events

Date	Code	Title
1983-03-01	BC	A request for examination has been filed
1985-01-01	A85	Still pending on 85-01-01
1989-10-02	BV	The patent application has lapsed