DE3474602D1 - Mixed apparatus for projecting and retro-projecting slides - Google Patents

Mixed apparatus for projecting and retro-projecting slides

Info

Publication number: DE3474602D1
Authority: DE; Germany
Prior art keywords: mirror; projection; overhead; projecting; lens
Prior art date: 1983-09-30
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

Application number

DE8484401941T

Other languages

English (en)

Inventor

Jacques Bodier

Pierre Cochard

Christian Merlier

Paul Edouard Bouquin

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.)

PRESTINOX S A SA

PRESTINOX SA

Original Assignee

PRESTINOX S A SA

PRESTINOX SA

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.)

1983-09-30

Filing date

1984-09-28

Publication date

1988-11-17

Family has litigation

First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=9292692&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE3474602(D1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.

1984-09-28 Application filed by PRESTINOX S A SA, PRESTINOX SA filed Critical PRESTINOX S A SA

1988-11-17 Application granted granted Critical

1988-11-17 Publication of DE3474602D1 publication Critical patent/DE3474602D1/de

Status Expired legal-status Critical Current

Classifications

- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/10—Projectors with built-in or built-on screen
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/14—Details
- G03B21/30—Details adapted to collapse or fold, e.g. for portability

Landscapes

Physics & Mathematics (AREA)
General Physics & Mathematics (AREA)
Projection Apparatus (AREA)
Overhead Projectors And Projection Screens (AREA)
Toys (AREA)
Threshing Machine Elements (AREA)
Video Image Reproduction Devices For Color Tv Systems (AREA)
Coating Apparatus (AREA)
Finger-Pressure Massage (AREA)

DE8484401941T 1983-09-30 1984-09-28 Mixed apparatus for projecting and retro-projecting slides Expired DE3474602D1 (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
FR8315588A FR2552896B1 (fr)	1983-09-30	1983-09-30	Appareil mixte de projection et de retroprojection de diapositives

Publications (1)

Publication Number	Publication Date
DE3474602D1 true DE3474602D1 (en)	1988-11-17

Family

ID=9292692

Family Applications (2)

Application Number	Title	Priority Date	Filing Date
DE8484401941T Expired DE3474602D1 (en)	1983-09-30	1984-09-28	Mixed apparatus for projecting and retro-projecting slides
DE198484401941T Pending DE136951T1 (de)	1983-09-30	1984-09-28	Mehrzweckvorrichtung fuer die projektion sowie retroprojektion von diapositiven.

Family Applications After (1)

Application Number	Title	Priority Date	Filing Date
DE198484401941T Pending DE136951T1 (de)	1983-09-30	1984-09-28	Mehrzweckvorrichtung fuer die projektion sowie retroprojektion von diapositiven.

Country Status (5)

Country	Link
US (1)	US4572632A (de)
EP (1)	EP0136951B1 (de)
AT (1)	ATE37960T1 (de)
DE (2)	DE3474602D1 (de)
FR (1)	FR2552896B1 (de)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR2583892A1 (fr) *	1985-06-24	1986-12-26	Prestinox Sa	Appareil mixte de projection et de retroprojection de diapositives contenues dans un panier circulaire rotatif
DE3629337C2 (de) *	1986-08-28	1998-02-19	Braun Camera Werk	Projektionseinrichtung für Diapositive
ES2055944T3 (es) *	1991-07-15	1994-09-01	Reflecta Gmbh Foto	Proyector de diapositivas para la proyeccion sobre pantalla y para retroproyeccion.
JP2745926B2 (ja) *	1992-01-27	1998-04-28	富士写真フイルム株式会社	モニタ画面付きビデオプロジェクタ
US5289287A (en) *	1992-10-29	1994-02-22	North American Philips Corporation	Dockable LCD TV projector convertable between front and rear projection
KR200147795Y1 (ko) *	1993-01-29	1999-06-15	윤종용	이동식반사경을갖는투사형텔리비젼
JPH07113997A (ja) *	1993-10-14	1995-05-02	Gold Star Co Ltd	液晶プロジェクター内蔵ｖｔｒ
US6273570B1 (en) *	1999-10-21	2001-08-14	Clarity Visual Systems, Inc.	Compact light path and package for liquid crystal projection displays
US6637896B2 (en) *	2001-10-31	2003-10-28	Motorola, Inc.	Compact projection system and associated device
US7021771B2 (en) *	2004-04-12	2006-04-04	Hewlett-Packard Development Company, L.P.	Display device for projecting an image alternatively onto a remote surface and a rear projection screen
US7025462B2 (en) *	2004-05-06	2006-04-11	Hewlett-Packard Development Company, L.P.	Display device for projecting an image alternatively onto a remote surface and a rear projection screen
US7434938B2 (en) *	2004-10-21	2008-10-14	Hewlett-Packard Development Company, L.P.	Display device movable for front and rear projection
KR100765765B1 (ko) *	2005-11-15	2007-10-15	삼성전자주식회사	프로젝터/프로젝션 겸용 디스플레이 장치
US7777946B2 (en) *	2007-02-22	2010-08-17	Hae-Yong Choi	Bag type portable screen device
US8520064B2 (en) *	2009-07-21	2013-08-27	Telepresence Technologies, Llc	Visual displays and TelePresence embodiments with perception of depth
TW201642012A (zh) *	2015-03-26	2016-12-01	艾維公司	自動彈起之顯示裝置
US9628754B2 (en)	2015-04-02	2017-04-18	Telepresence Technologies, Llc	TelePresence architectural systems and methods therefore
TWI723056B (zh)	2015-10-21	2021-04-01	美商艾維公司	可收縮彈出之顯示裝置
CN110032027B (zh) *	2018-01-12	2022-08-09	京东方科技集团股份有限公司	投影装置及电子装置

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US1447403A (en) *	1921-03-22	1923-03-06	Atherton Reginald Ignatius	Apparatus for exhibiting pictures
US2095171A (en) *	1936-06-09	1937-10-05	Irving L Cook	Exhibiting attachment for projecting machines
US2299657A (en) *	1940-10-12	1942-10-20	Outdoor Advertising Inc	Portable projector
DE944655C (de) *	1953-01-25	1956-06-21	F R Corp	Koffer-Filmprojektionsapparat
US2769368A (en) *	1953-05-18	1956-11-06	Bearint Alvin	Projection cabinet
FR1365421A (fr) *	1963-05-20	1964-07-03		Dispositif portatif de projection cinématographique
US3834798A (en) *	1972-12-20	1974-09-10	W Goddard	Viewing screen for motion picture projectors
CH574619A5 (de) *	1973-01-25	1976-04-15	Lamip Di Aruanno A
US3885868A (en) *	1974-03-29	1975-05-27	Bell & Howell Co	Convertible projector with door actuated mirror
US4163610A (en) *	1978-11-16	1979-08-07	The Singer Company	Rear/remote-screen projector
DE3029195A1 (de) *	1980-08-01	1982-03-04	Carl Braun Camera-Werk GmbH, 8500 Nürnberg	Diaprojektor
DE3038322A1 (de) *	1980-10-10	1982-05-06	Rollei-Werke Franke & Heidecke Gmbh & Co Kg, 3300 Braunschweig	Diabetrachtungsvorrichtung

1983
- 1983-09-30 FR FR8315588A patent/FR2552896B1/fr not_active Expired
1984
- 1984-09-25 US US06/654,115 patent/US4572632A/en not_active Expired - Fee Related
- 1984-09-28 DE DE8484401941T patent/DE3474602D1/de not_active Expired
- 1984-09-28 EP EP84401941A patent/EP0136951B1/de not_active Expired
- 1984-09-28 DE DE198484401941T patent/DE136951T1/de active Pending
- 1984-09-28 AT AT84401941T patent/ATE37960T1/de not_active IP Right Cessation

Also Published As

Publication number	Publication date
DE136951T1 (de)	1987-05-21
EP0136951A2 (de)	1985-04-10
US4572632A (en)	1986-02-25
ATE37960T1 (de)	1988-10-15
FR2552896A1 (fr)	1985-04-05
EP0136951B1 (de)	1988-10-12
EP0136951A3 (en)	1986-10-15
FR2552896B1 (fr)	1986-07-04

Publication	Publication Date	Title
DE3474602D1 (en)	1988-11-17	Mixed apparatus for projecting and retro-projecting slides
JPS6438718A (en)	1989-02-09	Display device
CA2044932A1 (en)	1991-12-30	Display unit
JPS5694887A (en)	1981-07-31	Projecting device
GB1338638A (en)	1973-11-28	Compact optical display system
EP0387900A3 (de)	1991-05-02	Optisches Abtastsystem
JPS5557840A (en)	1980-04-30	Overhead projector capable of projecting on vertical plane
EP0277469A3 (de)	1988-10-12	Projektionsgerät
JPS5230449A (en)	1977-03-08	Light ray scanner
CA2003328A1 (en)	1990-05-25	Opaque projector
JPS6459226A (en)	1989-03-06	Projection type projector
JPS5420750A (en)	1979-02-16	Photo coupler
JPS6463963A (en)	1989-03-09	Light transmitting device
ES8105477A1 (es)	1981-06-16	Procedimiento de control y de regulacion de la orientacion de los faros de vehiculos y sistema correspondiente
JPS5451540A (en)	1979-04-23	Method and apparatus for reconstruction of holograms
CA2014370A1 (en)	1990-12-15	Opaque projector
JPS5726837A (en)	1982-02-13	Comparison projector
ES1020507U (es)	1992-07-01	Dispositivo optico para crear imagen real de objetos.
JPS5440634A (en)	1979-03-30	Reflecting mirror of pentagonal roof type
JPS5414746A (en)	1979-02-03	Illuninating light source device
JPS5560936A (en)	1980-05-08	Simple episcope using overhead projector
JPS5525665A (en)	1980-02-23	Convex mirror type indoor back mirror of car
GB1533687A (en)	1978-11-29	Microfilm image projection apparatus
JPS5313921A (en)	1978-02-08	Image observation device
JPS56149028A (en)	1981-11-18	Projector

Legal Events

Date	Code	Title	Description
1989-10-19	8363	Opposition against the patent
1990-09-06	8339	Ceased/non-payment of the annual fee