SE7700343L - Automatisk fokuseringsanordning - Google Patents

Automatisk fokuseringsanordning

Info

Publication number: SE7700343L
Authority: SE; Sweden
Prior art keywords: automatic focusing; focusing device; automatic; focusing
Prior art date: 1976-01-19

Application number

SE7700343A

Other languages

English (en)

Inventor

Rosmalen G E Van

Original Assignee

Philips Nv

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.)

1976-01-19

Filing date

1977-01-14

Publication date

1977-07-20

1977-01-14 Application filed by Philips Nv filed Critical Philips Nv

1977-07-20 Publication of SE7700343L publication Critical patent/SE7700343L/sv

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
- G11B7/0908—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 focusing only
- G11B7/0917—Focus-error methods other than those covered by G11B7/0909 - G11B7/0916
- 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
- G11B7/0908—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 focusing only
- 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
- G11B7/0925—Electromechanical actuators for lens positioning
- G11B7/0927—Electromechanical actuators for lens positioning for focusing only

SE7700343A 1976-01-19 1977-01-14 Automatisk fokuseringsanordning SE7700343L (sv)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
NL7600479A NL7600479A (nl)	1976-01-19	1976-01-19	Automatisch optisch focusseersysteem.

Publications (1)

Publication Number	Publication Date
SE7700343L true SE7700343L (sv)	1977-07-20

Family

ID=19825472

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
SE7700343A SE7700343L (sv)	1976-01-19	1977-01-14	Automatisk fokuseringsanordning

Country Status (18)

Country	Link
US (1)	US4074312A (sv)
JP (1)	JPS6012692B2 (sv)
AR (1)	AR212868A1 (sv)
AT (1)	AT351823B (sv)
AU (1)	AU506049B2 (sv)
BE (1)	BE850460A (sv)
BR (1)	BR7700299A (sv)
CA (1)	CA1084741A (sv)
CH (1)	CH612531A5 (sv)
DD (1)	DD129710A5 (sv)
DE (1)	DE2700578C2 (sv)
ES (1)	ES455108A1 (sv)
FR (1)	FR2338614A1 (sv)
GB (1)	GB1567916A (sv)
IT (1)	IT1076951B (sv)
NL (1)	NL7600479A (sv)
SE (1)	SE7700343L (sv)
ZA (1)	ZA767247B (sv)

Families Citing this family (43)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
NL176315C (nl) *	1976-05-12	1985-03-18	Philips Nv	Optische aftastinrichting.
FR2375690A1 (fr) *	1976-12-23	1978-07-21	Thomson Brandt	Dispositif de detection de l'erreur de suivi radial pour lecteurs et enregistreurs optiques
FR2396379A1 (fr) *	1977-07-01	1979-01-26	Thomson Brandt	Lecteur optique de disque d'information muni d'un dispositif d'acces automatique aux informations
JPS5487004A (en) *	1977-12-23	1979-07-11	Nippon Telegr & Teleph Corp <Ntt>	Plug-in telephone holding device
JPS54102107A (en) *	1978-01-30	1979-08-11	Hitachi Ltd	Control information detecting method
US4302830A (en) *	1978-05-10	1981-11-24	Olympus Optical Company Ltd.	Optical information reading-out apparatus
DE2924924C2 (de) *	1978-06-21	1985-02-21	Universal Pioneer Corp., Tokio/Tokyo	Optisch-mechanischer Abtaster
US4241423A (en) *	1978-12-22	1980-12-23	Rca Corporation	Optical memory with injection laser as light source and detector
US4501962A (en) *	1980-06-02	1985-02-26	Raytheon Company	Method of focusing optical apparatus
US4383168A (en) *	1980-06-02	1983-05-10	Raytheon Company	Automatic focusing apparatus
US4358774A (en) *	1980-07-14	1982-11-09	Discovision Associates	Apparatus and method for controlling focus in a recording system
DE3027835A1 (de) *	1980-07-23	1982-03-04	Gretsch-Unitas Gmbh Baubeschlagfabrik, 7257 Ditzingen	Wahlweise kipp- oder parallel abstellbarer fluegel eines fensters, einer tuer o.dgl.
FR2509077A1 (fr) *	1981-07-03	1983-01-07	Thomson Csf	Dispositif resonnant a lame vibrante excitee par un transducteur piezoelectrique et son application au suivi radial d'une piste d'un support d'information optique
NL8300291A (nl) *	1983-01-27	1984-08-16	Philips Nv	Inrichting voor het uitlezen van een optische registratiedrager.
US5170277A (en) *	1988-05-11	1992-12-08	Symbol Technologies, Inc.	Piezoelectric beam deflector
US4947034A (en) *	1989-04-28	1990-08-07	International Business Machines Corporation	Apertureless near field optical microscope
JPH0343707A (ja) *	1989-07-11	1991-02-25	Canon Inc	走査光学装置
US5097354A (en) *	1989-07-27	1992-03-17	Omron Corporation	Beam scanner
JPH04165967A (ja) *	1990-10-30	1992-06-11	Sony Corp	光空間伝送装置
DE4108419C2 (de) *	1991-03-15	1995-03-16	Diehl Gmbh & Co	Einrichtung zur Beeinflussung der Divergenz eines Laserstrahles
US5177631A (en) *	1991-06-28	1993-01-05	Eastman Kodak Company	Magnetic position sensor
JP3132690B2 (ja) *	1992-06-30	2001-02-05	ソニー株式会社	光空間伝送装置
US5737302A (en) *	1994-11-10	1998-04-07	Kabushiki Kaisha Toshiba	Galvanomirror and optical disk drive using the same
US5740145A (en) *	1996-04-01	1998-04-14	International Business Machines Corporation	Active focus alignment system for multilayer optical disk storage based on dither frequency doubling
US6097677A (en) *	1998-02-13	2000-08-01	International Business Machines Corporation	System for creating, reading and writing on rotatable information storage media, a method for combined writing and reading operations
US6128262A (en) *	1998-02-13	2000-10-03	International Business Machines Corporation	System for creating, reading and writing on rotatable information storage media, a method for customizing said media with timing information
US5892739A (en) *	1998-02-13	1999-04-06	International Business Machines Corporation	In system for creating reading and writing on rotatable information storage media, an apparatus for multilayer source positioning using the laser source as a detector
US6108282A (en) *	1998-02-13	2000-08-22	International Business Machines Corporation	System for creating, reading and writing on rotatable information storage media, an apparatus for multilayer laser source positioning
US6034929A (en) *	1998-02-13	2000-03-07	International Business Machines Corporation	System for creating, reading and writing on rotatable information storage media, a method for multi-layer laser source positioning
US6081489A (en) *	1998-02-13	2000-06-27	International Business Machines Corporation	System for creating, reading and writing on rotatable information storage media, an apparatus for performing both read and write operations
US6097681A (en) *	1998-02-13	2000-08-01	International Business Machines Corporation	System for creating, reading and writing on rotatable information storage media, an apparatus for determining angular position, θ
US6049512A (en) *	1998-02-13	2000-04-11	International Business Machines Corporation	In a system for creating, reading and writing on rotatable information storage media, an apparatus for two-sided writing
US6046970A (en) *	1998-02-13	2000-04-04	International Business Machines Corporation	System for creating, reading and writing on rotatable storage media, an apparatus for determining laser aging characteristics
US6232045B1 (en)	1998-02-13	2001-05-15	International Business Machines Corporation	System for creating, reading and writing on rotatable information storage media, a method for producing a recording blank
US6088308A (en) *	1998-02-13	2000-07-11	International Business Machines Corporation	System for creating, reading and writing on rotatable information storage media, a tracking circuit for providing positioning information
US6222813B1 (en)	1998-02-13	2001-04-24	International Business Machines Corporation	System for creating, reading and writing on rotatable information storage media, an apparatus for controlling vertical laser alignment
US6081487A (en) *	1998-02-13	2000-06-27	International Business Machines Corporation	System for creating, reading and writing on rotatable information storage media, an apparatus for controlling laser positioning
US5872723A (en) *	1998-02-13	1999-02-16	International Business Machines Corporation	In a system for creating, reading and writing on rotatable information storage media an apparatus for determining drive mechanism aging characteristics
US6088306A (en) *	1998-02-13	2000-07-11	International Business Machines Corporation	System for creating, reading and writing on rotatable information storage media, an apparatus for combined writing and reading operations
US6088309A (en) *	1998-02-13	2000-07-11	International Business Machines Corporation	System for creating, reading and writing on rotatable information storage media, a method for controlling vertical laser alignment
US6118740A (en) *	1998-02-13	2000-09-12	International Business Machines Corporation	System for creating, reading and writing on rotatable information storage media, a method for writing closely spaced information tracks
US6111830A (en) *	1998-02-13	2000-08-29	International Business Machines Corporation	System for creating, reading and writing on rotatable information storage media, an apparatus for determining linear and/or angular velocity
JP5876345B2 (ja) *	2012-03-23	2016-03-02	スタンレー電気株式会社	光偏向器

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3673412A (en) *	1970-03-02	1972-06-27	Trw Inc	Radiant energy beam scanning method and apparatus
NL173343C (nl) *	1972-03-29	1984-01-02	Philips Nv	Inrichting voor het uitlezen van een schijfvormige registratiedrager met in optische vorm gecodeerde beeld-en/of geluidssignalen.
NL7206376A (sv) *	1972-05-11	1973-11-13
US3825323A (en) *	1973-05-17	1974-07-23	Teletype Corp	Rotary disc recording and readout system having capacitance controlled lens positioning means
FR2251876B1 (sv) *	1973-11-16	1977-09-23	Thomson Brandt
US3932700A (en) *	1974-02-04	1976-01-13	Zenith Radio Corporation	Focus tracking registration for optical reproducing systems
US3985952A (en) *	1974-02-04	1976-10-12	Zenith Radio Corporation	Elasto-optic device for spot wobble in a video disc player
NL7402012A (nl) *	1974-02-14	1975-08-18	Philips Nv	Registratiedrager waarop informatie is aange- bracht in een optisch uitleesbare struktuur.
NL181693C (nl) *	1974-11-29	1987-10-01	Philips Nv	Inrichting voor het langs optische weg uitlezen van een stralingsreflekterende registratiedrager.
NL182257C (nl) *	1974-12-23	1988-02-01	Philips Nv	Inrichting voor het uitlezen van een vlakke reflekterende registratiedrager waarop informatie is aangebracht in een optisch uitleesbare struktuur.

1976
- 1976-01-19 NL NL7600479A patent/NL7600479A/xx not_active Application Discontinuation
- 1976-03-01 US US05/662,456 patent/US4074312A/en not_active Expired - Lifetime
- 1976-12-06 ZA ZA00767247A patent/ZA767247B/xx unknown
- 1976-12-21 AR AR265956A patent/AR212868A1/es active
1977
- 1977-01-07 DE DE2700578A patent/DE2700578C2/de not_active Expired
- 1977-01-12 CA CA269,543A patent/CA1084741A/en not_active Expired
- 1977-01-14 SE SE7700343A patent/SE7700343L/sv unknown
- 1977-01-14 GB GB1495/77A patent/GB1567916A/en not_active Expired
- 1977-01-17 AU AU21371/77A patent/AU506049B2/en not_active Expired
- 1977-01-17 BE BE174141A patent/BE850460A/xx unknown
- 1977-01-17 DD DD7700196965A patent/DD129710A5/xx unknown
- 1977-01-17 BR BR7700299A patent/BR7700299A/pt unknown
- 1977-01-17 FR FR7701199A patent/FR2338614A1/fr active Granted
- 1977-01-17 JP JP52003870A patent/JPS6012692B2/ja not_active Expired
- 1977-01-17 IT IT19373/77A patent/IT1076951B/it active
- 1977-01-17 AT AT22577A patent/AT351823B/de not_active IP Right Cessation
- 1977-01-17 CH CH54777A patent/CH612531A5/xx not_active IP Right Cessation
- 1977-01-17 ES ES455108A patent/ES455108A1/es not_active Expired

Also Published As

Publication number	Publication date
IT1076951B (it)	1985-04-27
ZA767247B (en)	1978-07-26
DD129710A5 (de)	1978-02-01
JPS6012692B2 (ja)	1985-04-03
NL7600479A (nl)	1977-07-21
ATA22577A (de)	1979-01-15
DE2700578C2 (de)	1984-04-12
BR7700299A (pt)	1977-09-20
AU2137177A (en)	1978-07-27
AT351823B (de)	1979-08-10
JPS5290904A (en)	1977-07-30
AU506049B2 (en)	1979-12-13
GB1567916A (en)	1980-05-21
CH612531A5 (sv)	1979-07-31
BE850460A (fr)	1977-07-18
DE2700578A1 (de)	1977-07-21
US4074312A (en)	1978-02-14
ES455108A1 (es)	1977-12-16
CA1084741A (en)	1980-09-02
FR2338614A1 (fr)	1977-08-12
AR212868A1 (es)	1978-10-31
FR2338614B3 (sv)	1981-01-02

Publication	Publication Date	Title
SE7700343L (sv)	1977-07-20	Automatisk fokuseringsanordning
NL7708200A (nl)	1978-01-31	Automatische scherpstellingsinrichting.
DD132169A5 (de)	1978-09-06	Automatische injektionsvorrichtung
AR211717A1 (es)	1978-02-28	Disposicion de enfoque optico automatico
ATA468475A (de)	1978-03-15	Automatische scharfeinstellvorrichtung
SE7705689L (sv)	1977-11-20	Fullstendigt fokuserad lagozonbelysningsanordning
JPS5346028A (en)	1978-04-25	Automatic focusing device
SE7709469L (sv)	1978-02-27	Fotokenslig anordning
AT346794B (de)	1978-11-27	Automatische abfangkeilvorrichtung
SE415212B (sv)	1980-09-15	Optisk anordning
AT353095B (de)	1979-10-25	Automatische fokussiervorrichtung
NL7703610A (nl)	1977-10-04	Automatische scherpstellingsinrichting.
JPS533333A (en)	1978-01-13	Automatic focusing device
JPS5367424A (en)	1978-06-15	Automatic focusing device
SE401281B (sv)	1978-04-24	Tillsatsvaruautomat
JPS5317268A (en)	1978-02-17	Automatic focusing device
NL186121C (nl)	1990-09-17	Automatisch focusseerapparaat.
SE398379B (sv)	1977-12-19	Automatisk efterstellningsanordning
SE410391B (sv)	1979-10-15	Automatisk brandslaeckningsanordning
SE7811831L (sv)	1979-06-13	Automatisk staplingsanordning
SE7703642L (sv)	1977-10-01	Automatisk ritanordning
JPS52129521A (en)	1977-10-31	Automatic focusing device
NL7809656A (nl)	1979-03-27	Automatische begeleidingsinrichting.
JPS52125305A (en)	1977-10-21	Automatic focusing device
IT1069400B (it)	1985-03-25	Dispositivo scasellatore automatico