JPS50104539A - - Google Patents

Info

Publication number
JPS50104539A
JPS50104539A JP50006960A JP696075A JPS50104539A JP S50104539 A JPS50104539 A JP S50104539A JP 50006960 A JP50006960 A JP 50006960A JP 696075 A JP696075 A JP 696075A JP S50104539 A JPS50104539 A JP S50104539A
Authority
JP
Japan
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.)
Granted
Application number
JP50006960A
Other versions
JPS5712188B2 (ja
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 filed Critical
Publication of JPS50104539A publication Critical patent/JPS50104539A/ja
Publication of JPS5712188B2 publication Critical patent/JPS5712188B2/ja
Expired legal-status Critical Current

Links

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
    • G11B7/0909—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 by astigmatic methods
JP696075A 1974-01-15 1975-01-14 Expired JPS5712188B2 (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7401283A FR2271590B1 (ja) 1974-01-15 1974-01-15

Publications (2)

Publication Number Publication Date
JPS50104539A true JPS50104539A (ja) 1975-08-18
JPS5712188B2 JPS5712188B2 (ja) 1982-03-09

Family

ID=9133484

Family Applications (1)

Application Number Title Priority Date Filing Date
JP696075A Expired JPS5712188B2 (ja) 1974-01-15 1975-01-14

Country Status (7)

Country Link
US (1) US4023033A (ja)
JP (1) JPS5712188B2 (ja)
CA (1) CA1065054A (ja)
DE (1) DE2501124C3 (ja)
FR (1) FR2271590B1 (ja)
GB (1) GB1493963A (ja)
IT (1) IT1028311B (ja)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5330223A (en) * 1976-09-01 1978-03-22 Nippon Denso Co Ltd Automaitc code reading unit
JPS573236A (en) * 1980-06-10 1982-01-08 Olympus Optical Co Ltd Optical information reader
JPS58102340A (ja) * 1981-12-11 1983-06-17 Teac Co 光学再生装置
JPS5990243A (ja) * 1982-11-16 1984-05-24 Toshiba Corp 光学ヘツド
JPS6083229A (ja) * 1983-10-13 1985-05-11 Mitsubishi Electric Corp 光デイスクヘツドの自動焦点調節装置

Families Citing this family (84)

* Cited by examiner, † Cited by third party
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US4025949A (en) * 1975-12-31 1977-05-24 Zenith Radio Corporation Symmetrical astigmatic focus sensing system
GB1532345A (en) * 1976-06-25 1978-11-15 Hitachi Ltd Information play-back apparatus
NL7708200A (nl) * 1976-07-28 1978-01-31 Hitachi Ltd Automatische scherpstellingsinrichting.
NL7703076A (nl) * 1977-03-22 1978-09-26 Philips Nv Inrichting voor het uitlezen van een stralings- reflekterende registratiedrager.
NL7703077A (nl) * 1977-03-22 1978-09-26 Philips Nv Inrichting voor het uitlezen van een stralings- reflekterende registratiedrager.
US4290132A (en) * 1977-05-11 1981-09-15 Pioneer Electronic Corporation Focus servo device for use in an optical information read-out device
JPS55927A (en) * 1978-06-16 1980-01-07 Pioneer Video Corp Focus servo unit of optical information reader
JPS6038771B2 (ja) * 1978-06-19 1985-09-03 パイオニア株式会社 光学式情報読取装置のサ−ボ装置
FR2453392A1 (fr) * 1979-04-03 1980-10-31 Thomson Csf Dispositif optique d'analyse du relief de couches minces
JPS5694528A (en) * 1979-12-28 1981-07-31 Matsushita Electric Ind Co Ltd Drawing-in method of focus servo
FR2483664B1 (fr) * 1980-05-28 1985-06-28 Thomson Csf Dispositif optique d'enregistrement-lecture sur un support d'informations et systeme de memoire optique comprenant un tel dispositif
FR2498341A1 (fr) * 1981-01-20 1982-07-23 Thomson Csf Dispositif optique detecteur d'ecart de focalisation et enregistreur lecteur optique comportant un tel dispositif
NL187374C (nl) * 1981-07-10 1991-09-02 Philips Nv Inrichting voor het detecteren van straling.
US4521680A (en) * 1981-07-20 1985-06-04 Tokyo Shibaura Denki Kabushiki Kaisha System for focusing a light beam on a light reflecting surface
DE3280137D1 (de) * 1981-09-17 1990-04-19 Toshiba Kawasaki Kk Ein optischer kopf.
NL8105579A (nl) * 1981-12-11 1983-07-01 Philips Nv Optisch fokusfoutdetektiestelsel.
JPS6055521A (ja) * 1983-09-05 1985-03-30 Mitsubishi Electric Corp 光デイスクヘツドの自動焦点調節装置
GB2158228A (en) * 1984-05-05 1985-11-06 Spectron Dev Lab Inc Astigmatic non-contact optical probe
JPS60253027A (ja) * 1984-05-29 1985-12-13 Canon Inc 光学的情報処理装置
JPH063648B2 (ja) * 1986-01-16 1994-01-12 松下電器産業株式会社 光学的情報再生装置
FR2604515B1 (fr) * 1986-09-29 1991-06-14 Spectec Sa Dispositif de mesure de position par mesure d'astigmatisme a l'aide d'une detection optique differentielle
US4799210A (en) * 1986-11-05 1989-01-17 Unisys Corporation Fiber optic read/write head for an optical disk memory system
JPS63142531A (ja) * 1986-12-05 1988-06-14 Sony Corp 光デイスク情報記録再生装置のサ−ボ回路
JP2695446B2 (ja) * 1988-08-31 1997-12-24 キヤノン株式会社 光学的情報記録再生装置
US5272689A (en) * 1988-10-12 1993-12-21 Sanyo Electric Co., Ltd. Optical head system with transparent contact member
JP2701392B2 (ja) * 1988-12-14 1998-01-21 ソニー株式会社 フオーカスエラー検出回路
US5036185A (en) * 1988-12-27 1991-07-30 Kabushiki Kaisha Toshiba Optical apparatus for detecting a focusing state
US5161139A (en) * 1989-01-06 1992-11-03 Kabushiki Kaisha Toshiba Focusing error detecting apparatus
NL8903013A (nl) * 1989-11-02 1991-06-03 Philips Nv Rasterobjektief en raster-bundelomvormer alsmede optische aftastinrichting voorzien van minstens een van deze elementen.
NL9001253A (nl) * 1990-06-01 1992-01-02 Philips Nv Inrichting voor het optisch bepalen van de positie en stand van een voorwerp en optisch inschrijf- en/of weergaveapparaat voorzien van een dergelijke inrichting.
US5293366A (en) * 1990-07-26 1994-03-08 Canon Kabushiki Kaisha Information recording and reproducing apparatus provided with means for adding to a tracking signal offset corresponding to the positional deviation of a recording spot and a reproducing spot
NL9002841A (nl) * 1990-12-21 1992-07-16 Philips Nv Werkwijze en inrichting voor het langs optische weg inschrijven, uitlezen, en wissen van een meervlaks registratiedrager, en registratiedrager geschikt voor deze werkwijze en inrichting.
GB9028215D0 (en) * 1990-12-31 1991-02-13 Smiths Industries Plc Electro-optic apparatus
TW224169B (ja) * 1992-06-19 1994-05-21 Philips Nv
US5289442A (en) * 1992-06-19 1994-02-22 U.S. Philips Corporation Optical scanner with a long fast access stroke
DE69330232T2 (de) * 1992-07-31 2002-01-10 Matsushita Electric Ind Co Ltd Vorrichtung zur optischen Aufzeichnung/Wiedergabe von Daten
JPH06111334A (ja) * 1992-09-24 1994-04-22 Sony Corp 円盤状記録媒体用の記録及び／又は再生装置、光検出器及び光ヘッド
KR950015238A (ko) * 1993-11-05 1995-06-16 배순훈 포커스 에러 검출장치
JP3318636B2 (ja) * 1994-03-31 2002-08-26 ソニー株式会社 サーボ装置、光ディスク再生装置
FR2723243B1 (fr) * 1994-07-26 1996-09-06 Thomson Csf Dispositif d'enregistrement et/ou de lecture de tetes magnetiques et son procede de realisation
TW347899U (en) 1994-08-31 1998-12-11 Sony Corp Optical recording/reproducing device
JP2783180B2 (ja) * 1995-02-27 1998-08-06 日本電気株式会社 光ディスク装置
FR2731808B1 (fr) * 1995-03-14 1997-04-11 Thomson Csf Systeme de reglage de focalisation optique
ES2149449T3 (es) * 1995-03-15 2000-11-01 Koninkl Philips Electronics Nv Dispositivo para explorar opticamente un medio de registro.
ATE225979T1 (de) * 1995-07-31 2002-10-15 Koninkl Philips Electronics Nv Optisches abtastgerät für mehrschichtigen aufzeichnungsträger mit fokussierungssteuerschaltung
FR2739965B1 (fr) * 1995-10-17 1997-11-07 Thomson Csf Dispositif emetteur-recepteur de lumiere et systeme de lecture optique
GB9705105D0 (en) 1997-03-12 1997-04-30 Brown & Sharpe Limited Optical surface measurement apparatus and methods
FR2786345B1 (fr) 1998-11-24 2001-02-09 Thomson Csf Dispositif de cryptage quantique
US6567353B1 (en) * 1999-01-21 2003-05-20 Pentax Corporation Optical head with light receiving element surfaces divided into at least three light receiving areas
US7149173B2 (en) * 2000-10-17 2006-12-12 Thales Medium for recording optically readable data, method for making same and optical system reproducing said data
FR2824905B1 (fr) * 2001-05-15 2003-08-29 Thomson Csf Gyrometre a fibre optique
GB2468177B (en) * 2009-02-27 2011-01-12 Univ Sogang Ind Univ Coop Foun Optical surface measuring apparatus and method
US9001029B2 (en) 2011-02-15 2015-04-07 Basf Se Detector for optically detecting at least one object
CN106019305B (zh) 2011-02-15 2019-10-11 巴斯夫欧洲公司 用于光学检测至少一种物体的检测器
US9389315B2 (en) 2012-12-19 2016-07-12 Basf Se Detector comprising a transversal optical sensor for detecting a transversal position of a light beam from an object and a longitudinal optical sensor sensing a beam cross-section of the light beam in a sensor region
AU2014280334B2 (en) 2013-06-13 2018-02-01 Basf Se Optical detector and method for manufacturing the same
CN109521397B (zh) 2013-06-13 2023-03-28 巴斯夫欧洲公司 用于光学地检测至少一个对象的检测器
AU2014280335B2 (en) 2013-06-13 2018-03-22 Basf Se Detector for optically detecting an orientation of at least one object
CN105637320B (zh) 2013-08-19 2018-12-14 巴斯夫欧洲公司 光学检测器
EP3036558B1 (en) 2013-08-19 2020-12-16 Basf Se Detector for determining a position of at least one object
CN106662636B (zh) 2014-07-08 2020-12-25 巴斯夫欧洲公司 用于确定至少一个对象的位置的检测器
WO2016051323A1 (en) 2014-09-29 2016-04-07 Basf Se Detector for optically determining a position of at least one object
EP3230841B1 (en) 2014-12-09 2019-07-03 Basf Se Optical detector
JP6841769B2 (ja) 2015-01-30 2021-03-10 トリナミクス ゲゼルシャフト ミット ベシュレンクテル ハフツング 少なくとも１個の物体を光学的に検出する検出器
WO2016146725A1 (en) 2015-03-17 2016-09-22 Basf Se Optical data reader
US10955936B2 (en) 2015-07-17 2021-03-23 Trinamix Gmbh Detector for optically detecting at least one object
KR102539263B1 (ko) 2015-09-14 2023-06-05 트리나미엑스 게엠베하 적어도 하나의 물체의 적어도 하나의 이미지를 기록하는 카메라
KR20180086198A (ko) 2015-11-25 2018-07-30 트리나미엑스 게엠베하 적어도 하나의 물체를 광학적으로 검출하기 위한 검출기
WO2017089553A1 (en) 2015-11-25 2017-06-01 Trinamix Gmbh Detector for optically detecting at least one object
CN109219891A (zh) 2016-04-06 2019-01-15 特里纳米克斯股份有限公司 用于光学检测至少一个对象的检测器
US20190129035A1 (en) 2016-04-28 2019-05-02 Trinamix Gmbh Detector for optically detecting at least one object
KR20190002489A (ko) 2016-04-28 2019-01-08 트리나미엑스 게엠베하 적어도 하나의 물체를 광학적으로 검출하기 위한 검출기
JP2019523562A (ja) 2016-07-29 2019-08-22 トリナミクス ゲゼルシャフト ミット ベシュレンクテル ハフツング 光学的検出のための光センサおよび検出器
JP7241684B2 (ja) 2016-10-25 2023-03-17 トリナミクス ゲゼルシャフト ミット ベシュレンクテル ハフツング 少なくとも１個の対象物の光学的な検出のための検出器
KR102575104B1 (ko) 2016-10-25 2023-09-07 트리나미엑스 게엠베하 집적 필터를 가진 적외선 광학 검출기
US11415661B2 (en) 2016-11-17 2022-08-16 Trinamix Gmbh Detector for optically detecting at least one object
US11860292B2 (en) 2016-11-17 2024-01-02 Trinamix Gmbh Detector and methods for authenticating at least one object
WO2018096083A1 (en) 2016-11-25 2018-05-31 Trinamix Gmbh Optical detector comprising at least one optical waveguide
WO2018167215A1 (en) 2017-03-16 2018-09-20 Trinamix Gmbh Detector for optically detecting at least one object
US11060922B2 (en) 2017-04-20 2021-07-13 Trinamix Gmbh Optical detector
JP7237024B2 (ja) 2017-06-26 2023-03-10 トリナミクス ゲゼルシャフト ミット ベシュレンクテル ハフツング 少なくとも１つの物体の位置を決定するための検出器
WO2019011803A1 (en) 2017-07-10 2019-01-17 Trinamix Gmbh DETECTOR FOR OPTICALLY DETECTING AT LEAST ONE OBJECT
WO2019042959A1 (en) 2017-08-28 2019-03-07 Trinamix Gmbh TELEMETER FOR DETERMINING AT LEAST ONE GEOMETRIC INFORMATION
US11668828B2 (en) 2017-08-28 2023-06-06 Trinamix Gmbh Detector for determining a position of at least one object

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DE1103050B (de) * 1958-04-16 1961-03-23 Leitz Ernst Gmbh Vorrichtung zum Scharfeinstellen optischer Systeme
CH465250A (fr) * 1966-10-18 1968-11-15 Genevoise Instr Physique Microscope photoélectrique
US3482102A (en) * 1967-02-20 1969-12-02 Conductron Corp Coherent optical noise suppression by optical alignment of spatial filter
FR2116872A5 (fr) * 1970-12-10 1972-07-21 Compteurs Comp D Perfectionnements aux dispositifs palpeurs optiques
US3739247A (en) * 1971-05-17 1973-06-12 Canon Kk Positioning device using photoelectric scanning
DE2225557A1 (de) * 1971-06-23 1973-03-15 Hauser Raimund Entfernungsmesser
AR205243A1 (es) * 1972-05-11 1976-04-21 Philips Nv Aparato para la lectura de un portador de grabacion reflector plano

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5330223A (en) * 1976-09-01 1978-03-22 Nippon Denso Co Ltd Automaitc code reading unit
JPS5737906B2 (ja) * 1976-09-01 1982-08-12
JPS573236A (en) * 1980-06-10 1982-01-08 Olympus Optical Co Ltd Optical information reader
JPH0146925B2 (ja) * 1980-06-10 1989-10-11 Olympus Optical Co
JPS58102340A (ja) * 1981-12-11 1983-06-17 Teac Co 光学再生装置
JPS6343814B2 (ja) * 1981-12-11 1988-09-01 Teac Corp
JPS5990243A (ja) * 1982-11-16 1984-05-24 Toshiba Corp 光学ヘツド
JPS6083229A (ja) * 1983-10-13 1985-05-11 Mitsubishi Electric Corp 光デイスクヘツドの自動焦点調節装置
JPH0554179B2 (ja) * 1983-10-13 1993-08-11 Mitsubishi Electric Corp

Also Published As

Publication number Publication date
JPS5712188B2 (ja) 1982-03-09
FR2271590B1 (ja) 1978-12-01
DE2501124C3 (de) 1981-08-27
DE2501124A1 (de) 1975-08-07
FR2271590A1 (ja) 1975-12-12
GB1493963A (en) 1977-12-07
US4023033A (en) 1977-05-10
CA1065054A (en) 1979-10-23
IT1028311B (it) 1979-01-30
DE2501124B2 (ja) 1980-12-18

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