ATE22629T1 - Optischer abtast-apparat mit fokussierungssystem. - Google Patents

Optischer abtast-apparat mit fokussierungssystem.

Info

Publication number: ATE22629T1
Authority: AT; Austria
Prior art keywords: scanning device; optical scanning; focusing system; focusing; optical
Prior art date: 1979-06-18

Application number

AT80200550T

Other languages

English (en)

Inventor

Martinus Petrus Maria Bierhoff

Kornelis Antonie Immink

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.)

1979-06-18

Filing date

1980-06-13

Publication date

1986-10-15

1980-06-13 Application filed by Philips Nv filed Critical Philips Nv

1986-10-15 Application granted granted Critical

1986-10-15 Publication of ATE22629T1 publication Critical patent/ATE22629T1/de

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
- G11B7/094—Methods and circuits for servo offset compensation
- 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

AT80200550T 1979-06-18 1980-06-13 Optischer abtast-apparat mit fokussierungssystem. ATE22629T1 (de)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
NL7904724A NL7904724A (nl)	1979-06-18	1979-06-18	Optische aftastinrichting met fokusseerstelsel.
EP80200550A EP0021510B1 (de)	1979-06-18	1980-06-13	Optischer Abtast-Apparat mit Fokussierungssystem

Publications (1)

Publication Number	Publication Date
ATE22629T1 true ATE22629T1 (de)	1986-10-15

Family

ID=19833368

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
AT80200550T ATE22629T1 (de)	1979-06-18	1980-06-13	Optischer abtast-apparat mit fokussierungssystem.

Country Status (14)

Country	Link
US (1)	US4357696A (de)
EP (1)	EP0021510B1 (de)
JP (1)	JPS567249A (de)
AR (1)	AR222079A1 (de)
AT (1)	ATE22629T1 (de)
AU (1)	AU537317B2 (de)
BR (1)	BR8003727A (de)
CA (1)	CA1145038A (de)
DE (1)	DE3071786D1 (de)
DK (1)	DK150764C (de)
ES (1)	ES8102395A1 (de)
MX (1)	MX147804A (de)
NL (1)	NL7904724A (de)
NZ (1)	NZ194050A (de)

Families Citing this family (29)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS57181433A (en) *	1981-04-22	1982-11-08	Olympus Optical Co Ltd	Tracking system for optical disc reproducer
JPS57208642A (en) *	1981-06-18	1982-12-21	Toshiba Corp	Focus controller
US4418405A (en) *	1981-06-29	1983-11-29	Rca Corporation	Lens positioning controller for optical playback apparatus
JPS5877035A (ja) *	1981-10-08	1983-05-10	Mitsubishi Electric Corp	自動焦点引込み装置
JPS5885940A (ja) *	1981-11-17	1983-05-23	Hitachi Ltd	光デイスクの自動焦点引込み方法
NL8105347A (nl) *	1981-11-26	1983-06-16	Philips Nv	Inrichting voor het optisch aftasten van een schijfvormige registratiedrager.
JPS58150145A (ja) *	1982-03-03	1983-09-06	Toshiba Corp	光学式デジタルデイスクプレ−ヤのトラツキング制御回路
NL8300291A (nl) *	1983-01-27	1984-08-16	Philips Nv	Inrichting voor het uitlezen van een optische registratiedrager.
JP2548106B2 (ja) *	1984-05-23	1996-10-30	ソニー株式会社	光学式デイスクプレ−ヤのトラツキング・サ−ボコントロ−ル装置
US4899327A (en) *	1985-02-04	1990-02-06	International Business Machines Corporation	Focus servo loop correction
US4823330A (en) *	1985-02-04	1989-04-18	International Business Machines Corporation	Focus servo loop off-set compensation
US4755036A (en) *	1985-02-07	1988-07-05	Brother Kogyo Kabushiki Kaisha	Apparatus for deflecting light beam
JPS61188748A (ja) *	1985-02-16	1986-08-22	Brother Ind Ltd	光学ヘツド
JPH06101127B2 (ja) *	1985-03-13	1994-12-12	シャープ株式会社	光学ヘツド
JPH0736233B2 (ja) *	1985-04-16	1995-04-19	オリンパス光学工業株式会社	光学的情報記録再生装置
JP2629170B2 (ja) *	1985-06-08	1997-07-09	ブラザー工業株式会社	レーザプリンタ
JPS6232425A (ja) *	1985-08-05	1987-02-12	Brother Ind Ltd	光偏向器
JPS62237433A (ja) *	1986-04-09	1987-10-17	Brother Ind Ltd	光偏向器
JPS6370203A (ja) *	1986-09-11	1988-03-30	Brother Ind Ltd	屈折率分布型光導波路レンズの製造方法
JP2706237B2 (ja) *	1986-09-20	1998-01-28	ブラザー工業株式会社	レーザプリンタ
JPH0777048B2 (ja) *	1987-06-26	1995-08-16	三菱電機株式会社	記録媒体駆動装置
US4998233A (en) *	1988-02-12	1991-03-05	International Business Machines Corporation	Acquiring focus in optical systems using a focus error signal and a laser drive signal
FR2632438A1 (fr) *	1988-06-07	1989-12-08	Philips Nv	Enregistreur magneto-optique a champ magnetique module
JP2642672B2 (ja) *	1988-06-29	1997-08-20	富士通株式会社	光ディスク装置
JPH04307429A (ja) *	1991-04-04	1992-10-29	Matsushita Electric Ind Co Ltd	フォーカス制御装置
JP3769666B2 (ja) *	2000-11-09	2006-04-26	日本電気株式会社	収差補正方法および光ディスク装置
US8638437B2 (en)	2008-02-14	2014-01-28	J.A. Woollam Co., Inc.	System and method of aligning a sample
US8064055B2 (en) *	2008-02-14	2011-11-22	J.A. Woollam Co., Inc.	System and method of aligning a sample
US8983787B1 (en)	2008-12-12	2015-03-17	Martin M. Liphardt	Method of evaluating data quality

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3500162A (en) *	1968-03-27	1970-03-10	Sangamo Electric Co	System for providing dc values representative of phase difference
NL172202C (nl) *	1971-03-11	1983-07-18	Philips Nv	Inrichting voor het uitlezen van een plaatvormige informatiedrager bevattende in optische vorm gecodeerde beeld- en/of geluidssignalen.
AR205243A1 (es) *	1972-05-11	1976-04-21	Philips Nv	Aparato para la lectura de un portador de grabacion reflector plano
NL160138C (nl) *	1972-05-11	1979-09-17	Philips Nv	Inrichting voor het uitlezen van een vlakke registratie- drager.
NL7211998A (de) *	1972-09-02	1974-03-05
FR2222666B1 (de) *	1973-03-19	1976-11-05	Thomson Brandt
NL7313454A (nl) *	1973-10-01	1975-04-03	Philips Nv	Opto-elektronisch stelsel voor het bepalen van een king tussen de werkelijke positie van een stralings kterend vlak in een optisch afbeeldingsstelsel en d ste positie van dit vlak.
NL7402504A (nl) *	1974-02-25	1975-08-27	Philips Nv	Inrichting voor het langs optische weg uitlezen van een registratiedrager.
DE2453364C3 (de) *	1973-11-09	1979-02-22	Hitachi, Ltd., Tokio	Automatische Fokussiervorrichtung
FR2251876B1 (de) *	1973-11-16	1977-09-23	Thomson Brandt
JPS5137248A (en) *	1974-09-26	1976-03-29	Victor Company Of Japan	Kogakubiimu no shotenchoseihoshiki
AR205839A1 (es) *	1974-09-30	1976-06-07	Mca Disco Vision	Servodisposicion para recorrer opticamente y leer simultaneamente un canal de informacion almacenado en un disco de video
US4057833A (en) *	1974-10-03	1977-11-08	U.S. Philips Corporation	Centering detection system for an apparatus for playing optically readable record carriers
NL7414776A (nl) *	1974-11-13	1976-05-17	Philips Nv	Inrichting voor het uitlezen van een registra- tiedrager met een optische informatiestruktuur.
NL177157C (nl) *	1975-02-28	1985-08-01	Philips Nv	Inrichting voor het uitlezen van een vlakke registratiedrager met een optisch uitleesbare informatiestruktuur.
NL182990C (nl) *	1975-07-07	1988-06-16	Philips Nv	Inrichting voor het uitlezen van een stralingsreflekterende registratiedrager.
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.
NL7708200A (nl) *	1976-07-28	1978-01-31	Hitachi Ltd	Automatische scherpstellingsinrichting.
NL7608561A (nl) *	1976-08-02	1978-02-06	Philips Nv	Optische uitleeseenheid voor het aftasten van een registratiedrager voorzien van een stra- lingsreflekterende informatiestruktuur.
NL7703123A (nl) *	1977-03-23	1978-09-26	Philips Nv	Inrichting voor het uitlezen van een optische stralingsreflekterende registratiedrager.

1979
- 1979-06-18 NL NL7904724A patent/NL7904724A/nl not_active Application Discontinuation
- 1979-10-17 US US06/085,459 patent/US4357696A/en not_active Expired - Lifetime
1980
- 1980-05-14 AR AR281047A patent/AR222079A1/es active
- 1980-06-11 CA CA000353809A patent/CA1145038A/en not_active Expired
- 1980-06-13 EP EP80200550A patent/EP0021510B1/de not_active Expired
- 1980-06-13 DK DK254880A patent/DK150764C/da not_active IP Right Cessation
- 1980-06-13 MX MX182770A patent/MX147804A/es unknown
- 1980-06-13 DE DE8080200550T patent/DE3071786D1/de not_active Expired
- 1980-06-13 AT AT80200550T patent/ATE22629T1/de not_active IP Right Cessation
- 1980-06-16 ES ES492463A patent/ES8102395A1/es not_active Expired
- 1980-06-16 NZ NZ194050A patent/NZ194050A/xx unknown
- 1980-06-16 BR BR8003727A patent/BR8003727A/pt unknown
- 1980-06-17 AU AU59332/80A patent/AU537317B2/en not_active Ceased
- 1980-06-18 JP JP8156580A patent/JPS567249A/ja active Pending

Also Published As

Publication number	Publication date
ES492463A0 (es)	1980-12-16
ES8102395A1 (es)	1980-12-16
DK150764C (da)	1988-01-18
BR8003727A (pt)	1981-01-13
DE3071786D1 (en)	1986-11-06
EP0021510A1 (de)	1981-01-07
NL7904724A (nl)	1980-12-22
JPS567249A (en)	1981-01-24
AU5933280A (en)	1981-01-08
DK254880A (da)	1980-12-19
US4357696A (en)	1982-11-02
AR222079A1 (es)	1981-04-15
AU537317B2 (en)	1984-06-14
CA1145038A (en)	1983-04-19
NZ194050A (en)	1983-07-29
DK150764B (da)	1987-06-15
EP0021510B1 (de)	1986-10-01
MX147804A (es)	1983-01-12

Publication	Publication Date	Title
ATE22629T1 (de)	1986-10-15	Optischer abtast-apparat mit fokussierungssystem.
NL7600479A (nl)	1977-07-21	Automatisch optisch focusseersysteem.
NO771618L (no)	1977-11-15	Optisk avs¦kningsinnretning.
IT7821455A0 (it)	1978-03-22	Dispositivo ottico di scansione.
NL7611727A (nl)	1977-07-26	Optische aftastinrichting.
NO810101L (no)	1981-01-13	Optiske sleperinger.
NL7600423A (nl)	1977-07-19	Automatisch optisch focusseersysteem.
ATE3125T1 (de)	1983-05-15	Optischer abtaster.
DE3280249D1 (de)	1990-10-25	Optische abtasteinrichtung.
IT8123681A0 (it)	1981-08-28	Dispositivo di focalizzazione ottica.
ES492322A0 (es)	1980-12-16	Un dispositivo de enfoque optico
NL7800091A (nl)	1978-07-11	Optische aftastinrichting.
IT8122545A0 (it)	1981-06-24	Dispositivo ottico di focalizzazione.
DE3787685D1 (de)	1993-11-11	Optische Bild-Transformationsvorrichtung.
NL182916C (nl)		Optisch aftastsysteem.
NL178819C (nl)	1986-05-16	Optische koppelinrichting.
NL190294C (nl)	1994-01-03	Optisch aftaststelsel.
NL184443C (nl)	1989-07-17	Optisch aftaststelsel.
NL7706030A (nl)	1977-12-05	Optisch objectief.
ATE15411T1 (de)	1985-09-15	Optisches abtastsystem.
IT7919325A0 (it)	1979-01-16	Dispositivo per la commutazione difibre ottiche.
NL186838C (nl)	1991-03-01	Optische modulatie-inrichting.
ATE19825T1 (de)	1986-05-15	Optisches messsystem.
ATE36917T1 (de)	1988-09-15	Optische speichervorrichtung.
SE401403B (sv)	1978-05-02	Optisk avsokningsanordning

Legal Events

Date	Code	Title	Description
1987-04-15	UEP	Publication of translation of european patent specification
1989-04-15	REN	Ceased due to non-payment of the annual fee