FR2569866B1 - Dispositif de projection - Google Patents

Dispositif de projection

Info

Publication number: FR2569866B1
Authority: FR; France
Prior art keywords: projection device; projection
Prior art date: 1984-08-28
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.): Expired - Lifetime

Application number

FR858512784A

Other languages

English (en)

Other versions

FR2569866A1 (fr

Inventor

Jun Hattori

Shigeyuki Suda

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Canon Inc

Original Assignee

Canon Inc

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.)

1984-08-28

Filing date

1985-08-27

Publication date

1990-01-19

1984-08-28 Priority claimed from JP17858084A external-priority patent/JPS6156313A/ja

1985-02-22 Priority claimed from JP3478485A external-priority patent/JPS61194422A/ja

1985-08-27 Application filed by Canon Inc filed Critical Canon Inc

1986-03-07 Publication of FR2569866A1 publication Critical patent/FR2569866A1/fr

1990-01-19 Application granted granted Critical

1990-01-19 Publication of FR2569866B1 publication Critical patent/FR2569866B1/fr

2005-08-27 Anticipated expiration legal-status Critical

Status Expired - Lifetime legal-status Critical Current

Classifications

- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G15/00—Apparatus for electrographic processes using a charge pattern
- G03G15/04—Apparatus for electrographic processes using a charge pattern for exposing, i.e. imagewise exposure by optically projecting the original image on a photoconductive recording material
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B3/00—Simple or compound lenses
- G02B3/0087—Simple or compound lenses with index gradient
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G15/00—Apparatus for electrographic processes using a charge pattern
- G03G15/04—Apparatus for electrographic processes using a charge pattern for exposing, i.e. imagewise exposure by optically projecting the original image on a photoconductive recording material
- G03G15/043—Apparatus for electrographic processes using a charge pattern for exposing, i.e. imagewise exposure by optically projecting the original image on a photoconductive recording material with means for controlling illumination or exposure
- G03G15/0435—Apparatus for electrographic processes using a charge pattern for exposing, i.e. imagewise exposure by optically projecting the original image on a photoconductive recording material with means for controlling illumination or exposure by introducing an optical element in the optical path, e.g. a filter

Landscapes

Physics & Mathematics (AREA)
General Physics & Mathematics (AREA)
Optics & Photonics (AREA)
Lenses (AREA)

FR858512784A 1984-08-28 1985-08-27 Dispositif de projection Expired - Lifetime FR2569866B1 (fr)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
JP17858084A JPS6156313A (ja)	1984-08-28	1984-08-28	屈折率分布型レンズ
JP3478485A JPS61194422A (ja)	1985-02-22	1985-02-22	投影装置

Publications (2)

Publication Number	Publication Date
FR2569866A1 FR2569866A1 (fr)	1986-03-07
FR2569866B1 true FR2569866B1 (fr)	1990-01-19

Family

ID=26373629

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FR858512784A Expired - Lifetime FR2569866B1 (fr)	1984-08-28	1985-08-27	Dispositif de projection

Country Status (2)

Country	Link
US (1)	US4696552A (fr)
FR (1)	FR2569866B1 (fr)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4907866A (en) *	1985-04-05	1990-03-13	Canon Kabushiki Kaisha	Objective of variable focal length
JPS61277913A (ja) *	1985-05-31	1986-12-08	Canon Inc	結像レンズ
JPS62123419A (ja) *	1985-11-22	1987-06-04	Canon Inc	結像レンズ
DE3787584T2 (de) *	1986-07-07	1994-02-17	Canon Kk	Projektionsapparat und Bildleseapparat, fähig zum Lesen eines projizierten Bildes.
US4907864A (en) *	1987-08-19	1990-03-13	John E. Fetzer Foundation	Macro-gradient optical density transmissive light concentrators, lenses and compound lenses of large geometry
US5267063A (en) *	1992-07-02	1993-11-30	At&T Bell Laboratories	Gradient index mirror for providing a collimated beam for liquid crystal displays and the like
DE19526928A1 (de) *	1995-07-24	1997-01-30	Guenter Graefe	Gradientenoptische Bauelemente, ihre Verwendung, Verfahren und Vorrichtung zu ihrer Herstellung
GB9524687D0 (en) *	1995-12-02	1996-01-31	Integrex Ltd	Improvements in or relating to image projecting apparatus
JP3507284B2 (ja)	1997-06-24	2004-03-15	キヤノン株式会社	ロッドレンズアレイ及び密着型イメージセンサ及び画像読取装置

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB1275094A (en) *	1968-08-22	1972-05-24	Nippon Selfoc Co Ltd	Optical device for transmitting an image
JPS4922898B1 (fr) *	1969-03-17	1974-06-12
US3909110A (en) *	1974-11-11	1975-09-30	Bell Telephone Labor Inc	Reduction of dispersion in a multimode fiber waveguide with core index fluctuations
US4373780A (en) *	1980-06-16	1983-02-15	Xerox Corporation	Image transmitting system utilizing a gradient index lens
JPS5714058A (en) *	1980-06-28	1982-01-25	Ricoh Co Ltd	Printer
US4527886A (en) *	1981-05-12	1985-07-09	Kyoto Ceramic Co., Ltd.	Electrophotographic recording apparatus having both functions of copying and printing
US4462662A (en) *	1981-06-15	1984-07-31	Xerox Corporation	Imaging system utilizing a gradient index lens array compensated for non-uniform object illumination

1985
- 1985-08-27 FR FR858512784A patent/FR2569866B1/fr not_active Expired - Lifetime
1986
- 1986-06-26 US US06/879,504 patent/US4696552A/en not_active Expired - Lifetime

Also Published As

Publication number	Publication date
US4696552A (en)	1987-09-29
FR2569866A1 (fr)	1986-03-07

Publication	Publication Date	Title
FR2568548B1 (fr)	1989-10-20	Dispositif distributeur
DE3583127D1 (de)	1991-07-11	Fixiervorrichtung.
FR2562353B1 (fr)	1986-12-12	Dispositif electro-acoustique
FR2548641B1 (fr)	1990-04-06	Dispositif de deroulement
FR2571908B1 (fr)	1992-07-17	Dispositif commutateur de proximite
FR2585518B1 (fr)	1987-09-25	Dispositif de branchement
FR2572246B1 (fr)	1987-11-20	Dispositif de fauchage
FR2545283B1 (fr)	1988-07-22	Dispositif de contact
FR2562158B1 (fr)	1990-07-06	Dispositif de refroidissement
FR2569866B1 (fr)	1990-01-19	Dispositif de projection
FR2539188B1 (fr)	1986-02-28	Dispositif de percussion
FR2602293B1 (fr)	1990-08-03	Dispositif antisismique
FR2542878B1 (fr)	1988-11-18	Dispositif de balayage
FR2545188B1 (fr)	1985-07-05	Dispositif de raccordement teledemontable
FR2622114B1 (fr)	1994-09-30	Dispositif de liposuccion
FR2562337B1 (fr)	1986-09-19	Dispositif de connexion-deconnexion
FR2478327B1 (fr)	1986-03-14	Dispositif de projection
DE3482544D1 (de)	1990-07-19	Bildprojektionsgeraet.
FR2507257B1 (fr)	1986-11-21	Dispositif de positionnement
FR2547377B1 (fr)	1988-03-04	Dispositif de debrayage
KR880700474A (ko)	1988-03-15	감광 디바이스
FR2558790B1 (fr)	1992-05-22	Dispositif de propulsion velique
FR2540433B1 (fr)	1988-04-08	Dispositif
FR2542279B1 (fr)	1985-06-21	Dispositif de sertissage
FR2593569B1 (fr)	1988-08-26	Dispositif de raccordement