YU41297B - Optical scanning device - Google Patents

Optical scanning device

Info

Publication number: YU41297B
Authority: YU; Yugoslavia
Prior art keywords: scanning device; optical scanning; optical; scanning
Prior art date: 1976-05-12

Application number

YU1193/77A

Other languages

English (en)

Other versions

YU119377A (en

Inventor

A A Z Marisu

B Lieuwe

D F Dirk

V J T Adrianus

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.)

1976-05-12

Filing date

1977-05-11

Publication date

1987-02-28

1977-05-11 Application filed by Philips Nv filed Critical Philips Nv

1982-06-30 Publication of YU119377A publication Critical patent/YU119377A/xx

1987-02-28 Publication of YU41297B publication Critical patent/YU41297B/xx

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
- G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam
- 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
- G11B7/093—Electromechanical actuators for lens positioning for focusing and tracking
- 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
- G11B7/0932—Details of sprung supports

Landscapes

Physics & Mathematics (AREA)
Optics & Photonics (AREA)
Optical Recording Or Reproduction (AREA)
Automatic Focus Adjustment (AREA)
Mechanical Optical Scanning Systems (AREA)
Mounting And Adjusting Of Optical Elements (AREA)
Optical Head (AREA)
Investigating Or Analysing Materials By Optical Means (AREA)
Optical Communication System (AREA)
Vehicle Body Suspensions (AREA)

YU1193/77A 1976-05-12 1977-05-11 Optical scanning device YU41297B (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
NLAANVRAGE7605043,A NL176315C (nl)	1976-05-12	1976-05-12	Optische aftastinrichting.

Publications (2)

Publication Number	Publication Date
YU119377A YU119377A (en)	1982-06-30
YU41297B true YU41297B (en)	1987-02-28

Family

ID=19826177

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
YU1193/77A YU41297B (en)	1976-05-12	1977-05-11	Optical scanning device

Country Status (25)

Country	Link
US (1)	US4135083A (de)
JP (5)	JPS5836414B2 (de)
AR (1)	AR219292A1 (de)
AT (1)	AT355639B (de)
AU (1)	AU506108B2 (de)
BE (1)	BE854471A (de)
BR (1)	BR7702984A (de)
CA (1)	CA1094683A (de)
CH (1)	CH621426A5 (de)
DD (1)	DD130888A5 (de)
DE (4)	DE2760264C2 (de)
DK (1)	DK145867C (de)
ES (1)	ES458637A1 (de)
FR (1)	FR2351468B1 (de)
GB (1)	GB1580384A (de)
HK (1)	HK16181A (de)
IT (1)	IT1118202B (de)
MX (1)	MX144033A (de)
NL (1)	NL176315C (de)
NO (1)	NO150859C (de)
NZ (1)	NZ184038A (de)
PL (1)	PL115307B1 (de)
SE (2)	SE7705334L (de)
YU (1)	YU41297B (de)
ZA (1)	ZA772263B (de)

Families Citing this family (78)

* Cited by examiner, † Cited by third party
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JPS5494007A (en) *	1978-01-05	1979-07-25	Olympus Optical Co Ltd	Pickup for disc recorder recorded optically with information
US4302830A (en) *	1978-05-10	1981-11-24	Olympus Optical Company Ltd.	Optical information reading-out apparatus
FR2425782B1 (fr) *	1978-05-10	1988-02-12	Olympus Optical Co	Appareil de lecture d'informations optiques
JPS5542369A (en) *	1978-09-19	1980-03-25	Mitsubishi Electric Corp	Pickup controller
GB2060927B (en) *	1979-07-24	1984-02-01	Universal Pioneer Corp	Signal reading device for optical discs
FR2474740A1 (fr) *	1980-01-24	1981-07-31	Thomson Csf	Equipage mobile d'un lecteur enregistreur de videodisque, et lecteur enregistreur de videodisque comprenant un tel equipage
CA1132258A (en) *	1980-05-12	1982-09-21	Herman W. Willemsen	Scanning head for an optical disc system
NL8004380A (nl) *	1980-07-31	1982-03-01	Philips Nv	Optische inrichting voor het met een stralingsbundel inschrijven en/of uitlezen van registratiesporen.
JPS57103131A (en) *	1980-12-18	1982-06-26	Sony Corp	Biaxial driver
FR2497377B1 (fr) *	1980-12-29	1985-06-28	Thomson Csf	Dispositif d'exploration optique d'un support d'information
JPS57120240A (en) *	1981-01-16	1982-07-27	Sony Corp	Optical disk player
US4482986A (en) *	1981-01-30	1984-11-13	Sony Corporation	Objective lens mount for optical disc player
JPS57176543A (en) *	1981-04-20	1982-10-29	Sony Corp	Optical type track scanner
JPS57178233A (en) *	1981-04-27	1982-11-02	Sony Corp	Supporting structure of optical system
JPS57186237A (en) *	1981-05-12	1982-11-16	Pioneer Video Corp	Crosstalk eliminating device for recorded information reproducing device
JPS57210456A (en) *	1981-06-22	1982-12-24	Sony Corp	Objective lens device
NL8103305A (nl) *	1981-07-10	1983-02-01	Philips Nv	Opto-elektronische inrichting voor het met een stralingsbundel inschrijven en/of uitlezen van registratiesporen.
JPS5814757U (ja) *	1981-07-24	1983-01-29	岩本　好秋	ふとんのズレ防止用マツト
JPS5868248A (ja) *	1981-10-20	1983-04-23	Toshiba Corp	光学式情報読取装置
JPS5880139A (ja) *	1981-11-04	1983-05-14	Sony Corp	光学ヘツド
NL8105072A (nl) *	1981-11-10	1983-06-01	Philips Nv	Electro-optische inrichting.
JPS58159684U (ja) *	1982-04-14	1983-10-24	オンキヨー株式会社	光学式ピツクアツプのトラツキング補正装置
EP0098076A1 (de) *	1982-06-14	1984-01-11	Nec Corporation	Strahlzugriffsgerät für eine Vorrichtung mit optischen Scheiben
US4626679A (en) *	1982-09-22	1986-12-02	Canon Kabushiki Kaisha	Optical head and method of detecting the focus thereof
JPS59104735A (ja) *	1982-12-08	1984-06-16	Sony Corp	対物レンズ駆動装置
DE3346552A1 (de) *	1982-12-23	1984-06-28	Konishiroku Photo Industry Co., Ltd., Tokio/Tokyo	Kamera
NL8204981A (nl) *	1982-12-24	1984-07-16	Philips Nv	Electrodynamische inrichting voor het transleren van een objectief.
JPS58171731A (ja) *	1983-02-21	1983-10-08	Mitsubishi Electric Corp	デイスク再生装置
US4581529A (en) *	1983-08-15	1986-04-08	At&T Bell Laboratories	Read/write system for optical disc apparatus with fiber optics
JPS6069840A (ja) *	1983-09-22	1985-04-20	Canon Inc	情報記録又は再生装置
NL8303700A (nl) *	1983-10-27	1985-05-17	Philips Nv	Electro-optische inrichting.
JPS6173248A (ja) *	1984-09-18	1986-04-15	Canon Inc	光学的記録再生装置の対物レンズ駆動装置
JPS60209937A (ja) *	1984-07-28	1985-10-22	Olympus Optical Co Ltd	光学的情報読取装置
JP2597973B2 (ja) *	1984-10-02	1997-04-09	株式会社東芝	光学ヘツド装置
JPS60121544A (ja) *	1984-10-22	1985-06-29	Hitachi Ltd	光学系走査装置
JPS61208641A (ja) *	1985-03-13	1986-09-17	Olympus Optical Co Ltd	光学的情報記録再生装置
JPH0728589Y2 (ja) *	1985-07-15	1995-06-28	日本コロムビア株式会社	光ピツクアツプ
US4959823A (en) *	1985-07-30	1990-09-25	Laser Magnetic Storage International Company	Tracking and seeking system for use with an optical record carrier having a wobbled track format
JP2888484B2 (ja) *	1985-07-30	1999-05-10	オプテイカルストレツジインターナシヨナル−ユーエス	記録キャリア及び光データ読み書き装置
US4879707A (en) *	1985-07-30	1989-11-07	Laser Magnetic Storage International Company	Optical disk tracking and seeking systems specific track formats using discontinuities
US4879708A (en) *	1985-07-30	1989-11-07	Laser Magnetic Storage International Company	Optical disk tracking and seeking systems specific track formats using wobbled pits
JPH0612576B2 (ja) *	1985-08-24	1994-02-16	オリンパス光学工業株式会社	ピックアップ装置
JPS6182340A (ja) *	1985-08-24	1986-04-25	Olympus Optical Co Ltd	ピツクアツプ装置
JPS6182338A (ja) *	1985-08-24	1986-04-25	Olympus Optical Co Ltd	ピツクアツプ装置
JPS6187232A (ja) *	1985-09-07	1986-05-02	Olympus Optical Co Ltd	対物レンズ支持装置
JPS62137732A (ja) *	1985-12-09	1987-06-20	Canon Inc	光学系支持装置
CA1281815C (en) *	1986-01-16	1991-03-19	Shunzo Takahashi	Reader/writer apparatus for optical memory card
US4956833A (en) *	1986-03-31	1990-09-11	Asahi Kogaku Kogyo Kabushiki Kaisha	Objective driving device for an optical disk apparatus
US5001694A (en) *	1986-05-06	1991-03-19	Pencom International Corp.	Tracking and focus actuator for a holographic optical head
US4799210A (en) *	1986-11-05	1989-01-17	Unisys Corporation	Fiber optic read/write head for an optical disk memory system
JPS6326844A (ja) *	1987-06-11	1988-02-04	Mitsubishi Electric Corp	光学式情報再生装置の集光手段支持装置
JPH01166341A (ja) *	1987-12-23	1989-06-30	Oki Electric Ind Co Ltd	光学ヘッド
US5031166A (en) *	1988-01-25	1991-07-09	Laser Magnetic Storage International Company	Optical disk tracking and seeking systems and specific track formats using discontinuities and circuitry therefor
JPH0321099A (ja) *	1989-06-19	1991-01-29	Nippon Telegr & Teleph Corp <Ntt>	電子機器取付け構造
US5146441A (en) *	1990-05-26	1992-09-08	Pioneer Electronic Corporation	Supporting device of an optical pickup
DE4134803A1 (de) *	1991-10-22	1993-04-29	Thomson Brandt Gmbh	Optische abtastvorrichtung mit einem linsenhalter
US5790510A (en) *	1992-11-12	1998-08-04	Seiko Epson Corporation	Optical component drive device including nonparallel elastic plates
DE4306248A1 (de) *	1993-03-01	1994-09-08	Thomson Brandt Gmbh	Kompensierende Aktuatorsteuerung
US6226233B1 (en)	1996-07-30	2001-05-01	Seagate Technology, Inc.	Magneto-optical system utilizing MSR media
US5940549A (en) *	1996-07-30	1999-08-17	Seagate Technology, Incorporated	Optical system and method using optical fibers for storage and retrieval of information
US6034938A (en) *	1996-07-30	2000-03-07	Seagate Technology, Inc.	Data storage system having an optical processing flying head
US6178150B1 (en)	1996-07-30	2001-01-23	Seagate Technology Inc.	Offset optics for use with optical heads
US6081499A (en) *	1997-05-05	2000-06-27	Seagate Technology, Inc.	Magneto-optical data storage system having an optical-processing flying head
US6850475B1 (en)	1996-07-30	2005-02-01	Seagate Technology, Llc	Single frequency laser source for optical data storage system
US5850375A (en) *	1996-07-30	1998-12-15	Seagate Technology, Inc.	System and method using optical fibers in a data storage and retrieval system
US6058094A (en) *	1996-07-30	2000-05-02	Seagate Technology Inc.	Flying magneto-optical head with a steerable mirror
CN1160715C (zh)	1998-03-30	2004-08-04	西加特技术有限责任公司	具有降低由寄生反射引起的噪声的装置的光学数据存储系统
US6298027B1 (en)	1998-03-30	2001-10-02	Seagate Technology Llc	Low-birefringence optical fiber for use in an optical data storage system
US6574015B1 (en)	1998-05-19	2003-06-03	Seagate Technology Llc	Optical depolarizer
US6166756A (en) *	1998-06-02	2000-12-26	Science Applications International Corporation	Multiple channel data writing device
US6341118B1 (en)	1998-06-02	2002-01-22	Science Applications International Corporation	Multiple channel scanning device using oversampling and image processing to increase throughput
US6246658B1 (en)	1998-06-02	2001-06-12	Science Applications International Corporation	Multiple channel scanning device using optoelectronic switching
US6137105A (en) *	1998-06-02	2000-10-24	Science Applications International Corporation	Multiple parallel source scanning device
US6584052B1 (en)	1998-06-02	2003-06-24	Science Applications International Corporation	Method and apparatus for controlling the focus of a read/write head for an optical scanner
US6091067A (en) *	1998-06-02	2000-07-18	Science Applications International Corporation	Scanning device using fiber optic bimorph
GB2344188A (en) *	1998-11-26	2000-05-31	Marconi Electronic Syst Ltd	Force decoupler system for mirror on flexible mount
CN1708794A (zh) *	2002-11-06	2005-12-14	皇家飞利浦电子股份有限公司	用于对盘进行读和/或写的装置
KR101593260B1 (ko) *	2012-06-22	2016-02-11	코오롱인더스트리 주식회사	고리형 올레핀 공중합체의 제조방법

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US3391247A (en) *	1964-01-03	1968-07-02	Minnesota Mining & Mfg	Television signal recording with sampled audio recorded during horizontal intervals
GB1153549A (en) *	1967-09-22	1969-05-29	Gauss Electrophysics Inc	Servo-Controlled Playback Means for Records
DE2227993A1 (de) *	1971-07-06	1973-02-01	Gakken Co Ltd	Optische aufzeichnungseinheit und wiedergabeeinrichtung
FR2174353A5 (de) *	1972-02-29	1973-10-12	Thomson Csf
JPS5325204B2 (de) *	1972-03-31	1978-07-25
AR205243A1 (es) *	1972-05-11	1976-04-21	Philips Nv	Aparato para la lectura de un portador de grabacion reflector plano
JPS4915443A (de) *	1972-05-19	1974-02-09
FR2197495A5 (de) *	1972-08-25	1974-03-22	Thomson Csf
JPS49128621A (de) *	1973-04-06	1974-12-10
DE2420423A1 (de) *	1973-04-27	1974-10-31	Thomson Brandt	Anordnung zur genauen regelung der stellung der koepfe eines lesegeraetes fuer biegsame platten
DE2337015C2 (de) *	1973-07-20	1983-07-14	Robert Bosch Gmbh, 7000 Stuttgart	Vorrichtung zur optischen Abtastung einer um eine vertikale Rotationsachse sich drehenden Platte
JPS5429082B2 (de) *	1973-07-31	1979-09-20
JPS5037404A (de) *	1973-08-06	1975-04-08
US3932700A (en) *	1974-02-04	1976-01-13	Zenith Radio Corporation	Focus tracking registration for optical reproducing systems
JPS5760693B2 (de) *	1974-02-12	1982-12-21	Sony Corp
NL171641C (nl) *	1974-02-13	1983-04-18	Philips Nv	Inrichting voor het uitlezen van een registratiedrager waarop informatie is aangebracht in een optisch uitleesbare structuur.
JPS5133653A (de) *	1974-09-10	1976-03-22	Mansei Kogyo Kk
JPS5133603A (de) *	1974-09-17	1976-03-22	Teac Corp
JPS597133B2 (ja) *	1975-05-30	1984-02-16	株式会社日立製作所	半導体レ−ザピツクアツプ装置
NL174609C (nl) *	1975-10-15	1984-07-02	Philips Nv	Volgspiegelinrichting in een optische platenspeler.
NL178915C (nl) *	1976-01-16	1986-06-02	Philips Nv	Automatisch optisch focusseersysteem.
NL7600479A (nl) *	1976-01-19	1977-07-21	Philips Nv	Automatisch optisch focusseersysteem.
JPS5811692A (ja) *	1981-06-30	1983-01-22	株式会社大三商会	液体蒸発減少装置

1976
- 1976-05-12 NL NLAANVRAGE7605043,A patent/NL176315C/xx not_active IP Right Cessation
1977
- 1977-04-13 ZA ZA00772263A patent/ZA772263B/xx unknown
- 1977-04-14 US US05/787,610 patent/US4135083A/en not_active Expired - Lifetime
- 1977-04-25 AR AR267343A patent/AR219292A1/es active
- 1977-04-29 DE DE2760264A patent/DE2760264C2/de not_active Expired
- 1977-04-29 DE DE2760266A patent/DE2760266C2/de not_active Expired
- 1977-04-29 DE DE2719082A patent/DE2719082C2/de not_active Expired
- 1977-04-29 DE DE2760265A patent/DE2760265C2/de not_active Expired
- 1977-05-09 NZ NZ184038A patent/NZ184038A/xx unknown
- 1977-05-09 GB GB19291/77A patent/GB1580384A/en not_active Expired
- 1977-05-09 SE SE7705334D patent/SE7705334L/xx not_active Application Discontinuation
- 1977-05-09 IT IT23354/77A patent/IT1118202B/it active
- 1977-05-09 NO NO771618A patent/NO150859C/no unknown
- 1977-05-09 SE SE7705334A patent/SE411264B/xx not_active IP Right Cessation
- 1977-05-09 CH CH578277A patent/CH621426A5/de not_active IP Right Cessation
- 1977-05-09 BR BR7702984A patent/BR7702984A/pt unknown
- 1977-05-09 MX MX169047A patent/MX144033A/es unknown
- 1977-05-09 DK DK201577A patent/DK145867C/da not_active IP Right Cessation
- 1977-05-09 AU AU24988/77A patent/AU506108B2/en not_active Expired
- 1977-05-10 AT AT333077A patent/AT355639B/de not_active IP Right Cessation
- 1977-05-10 PL PL1977198012A patent/PL115307B1/pl unknown
- 1977-05-10 ES ES458637A patent/ES458637A1/es not_active Expired
- 1977-05-10 DD DD7700198853A patent/DD130888A5/de unknown
- 1977-05-10 BE BE177452A patent/BE854471A/xx not_active IP Right Cessation
- 1977-05-10 JP JP52052723A patent/JPS5836414B2/ja not_active Expired
- 1977-05-11 YU YU1193/77A patent/YU41297B/xx unknown
- 1977-05-11 CA CA278,301A patent/CA1094683A/en not_active Expired
- 1977-05-12 FR FR7714534A patent/FR2351468B1/fr not_active Expired
1981
- 1981-04-23 HK HK161/81A patent/HK16181A/xx unknown
1982
- 1982-03-27 JP JP57048191A patent/JPS57181439A/ja active Granted
- 1982-03-27 JP JP57048192A patent/JPS57181437A/ja active Granted
1984
- 1984-07-27 JP JP59157092A patent/JPS60253032A/ja active Granted
- 1984-07-27 JP JP59157091A patent/JPS60242526A/ja active Granted

Also Published As

Publication number	Publication date
NZ184038A (en)	1980-05-08
NL176315C (nl)	1985-03-18
DE2719082C2 (de)	1986-10-02
AR219292A1 (es)	1980-08-15
DE2760265A1 (de)	1985-03-28
BE854471A (fr)	1977-11-10
JPS6349293B2 (de)	1988-10-04
GB1580384A (en)	1980-12-03
YU119377A (en)	1982-06-30
NO150859B (no)	1984-09-17
JPS57181439A (en)	1982-11-08
US4135083A (en)	1979-01-16
MX144033A (es)	1981-08-19
FR2351468A1 (fr)	1977-12-09
JPS52138903A (en)	1977-11-19
AT355639B (de)	1980-03-10
AU2498877A (en)	1978-11-16
DE2760265C2 (de)	1987-12-03
JPS60253032A (ja)	1985-12-13
ATA333077A (de)	1979-08-15
DE2760264A1 (de)	1985-05-02
DE2719082A1 (de)	1977-11-24
DK201577A (da)	1977-11-13
DE2760266C2 (de)	1987-12-10
DE2760264C2 (de)	1986-08-21
FR2351468B1 (fr)	1986-02-14
NO771618L (no)	1977-11-15
CA1094683A (en)	1981-01-27
DE2760266A1 (de)	1985-03-14
AU506108B2 (en)	1979-12-13
JPH0322656B2 (de)	1991-03-27
PL115307B1 (en)	1981-03-31
SE411264B (sv)	1979-12-10
JPS57181437A (en)	1982-11-08
DD130888A5 (de)	1978-05-10
ZA772263B (en)	1978-11-29
CH621426A5 (de)	1981-01-30
ES458637A1 (es)	1978-02-01
HK16181A (en)	1981-05-01
BR7702984A (pt)	1978-01-10
JPS5836414B2 (ja)	1983-08-09
JPH0130229B2 (de)	1989-06-16
DK145867B (da)	1983-03-21
NL176315B (nl)	1984-10-16
IT1118202B (it)	1986-02-24
JPS60242526A (ja)	1985-12-02
NO150859C (no)	1985-01-09
DK145867C (da)	1983-09-12
SE7705334L (sv)	1977-11-13
NL7605043A (nl)	1977-11-15
JPH0514334B2 (de)	1993-02-24

Publication	Publication Date	Title
AU506108B2 (en)	1979-12-13	Optical scanning device
GB1543630A (en)	1979-04-04	Optical scanning apparatus
ZA777541B (en)	1979-07-25	Optical scanning device
JPS55161211A (en)	1980-12-15	Optical scanning device
GB2095500B (en)	1983-02-02	Optical device
JPS5344056A (en)	1978-04-20	Optical apparatus
JPS52120846A (en)	1977-10-11	Optical scanner
JPS55127514A (en)	1980-10-02	Optical scan device
JPS5413355A (en)	1979-01-31	Optical scanning device
JPS5342761A (en)	1978-04-18	Optical apparatus
JPS5470850A (en)	1979-06-07	Optical device
GB2011116B (en)	1982-06-30	Optical scanning device
JPS5363929A (en)	1978-06-07	Optical scanner
JPS54100755A (en)	1979-08-08	Multiimode optical device
IL51023A (en)	1981-06-29	Optical adjustment device
DE3063156D1 (en)	1983-06-16	Optical scanning device
JPS5316644A (en)	1978-02-15	Integrated optical device
JPS5339175A (en)	1978-04-10	Optical apparatus
JPS5311041A (en)	1978-02-01	Elyinggspot optical scanning system
JPS5383757A (en)	1978-07-24	Field scanning device
JPS542146A (en)	1979-01-09	Optical device
JPS5410754A (en)	1979-01-26	Optical device
JPS547360A (en)	1979-01-20	Optical device
GB2029981B (en)	1982-10-06	Parallel optical scanning device
GB2042304B (en)	1983-09-28	Optical scanning device