BR8407298A - Aparelho de projecao de diapositivos com optica de projecao multipla utilizando uma bandeja circular para dispositivos e tendo portas para dispositivos de posicoes fixas - Google Patents

Aparelho de projecao de diapositivos com optica de projecao multipla utilizando uma bandeja circular para dispositivos e tendo portas para dispositivos de posicoes fixas

Info

Publication number: BR8407298A
Authority: BR; Brazil
Prior art keywords: devices; projection optics; pct; doors; fixed positions
Prior art date: 1984-03-16

Application number

BR8407298A

Other languages

English (en)

Inventor

Gideon A Kramer

Original Assignee

Gideon A Kramer

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.)

1984-03-16

Filing date

1984-03-16

Publication date

1986-03-25

1984-03-16 Application filed by Gideon A Kramer filed Critical Gideon A Kramer

1986-03-25 Publication of BR8407298A publication Critical patent/BR8407298A/pt

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
- G03B23/00—Devices for changing pictures in viewing apparatus or projectors
- G03B23/18—Devices for changing pictures in viewing apparatus or projectors with fade-in and fade-out effects

Landscapes

Physics & Mathematics (AREA)
General Physics & Mathematics (AREA)
Projection Apparatus (AREA)

BR8407298A 1984-03-16 1984-03-16 Aparelho de projecao de diapositivos com optica de projecao multipla utilizando uma bandeja circular para dispositivos e tendo portas para dispositivos de posicoes fixas BR8407298A (pt)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
PCT/US1984/000429 WO1985004265A1 (en)	1984-03-16	1984-03-16	Multiple projection optics slide projection apparatus using a circular slide tray, having fixed-position slide gates

Publications (1)

Publication Number	Publication Date
BR8407298A true BR8407298A (pt)	1986-03-25

Family

ID=22182089

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
BR8407298A BR8407298A (pt)	1984-03-16	1984-03-16	Aparelho de projecao de diapositivos com optica de projecao multipla utilizando uma bandeja circular para dispositivos e tendo portas para dispositivos de posicoes fixas

Country Status (8)

Country	Link
US (1)	US4595266A (pt)
EP (1)	EP0174931B1 (pt)
JP (1)	JPS61501473A (pt)
AT (1)	ATE38727T1 (pt)
BR (1)	BR8407298A (pt)
DE (1)	DE3475231D1 (pt)
IN (1)	IN164085B (pt)
WO (1)	WO1985004265A1 (pt)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US5135301A (en) *	1991-01-22	1992-08-04	Minnesota Mining And Manufacturing Company	Reflective overhead projector with alternate light sources
US5826962A (en) *	1997-04-30	1998-10-27	Minnesota Mining And Manufacturing Company	LCD integrated/overhead projector
US20040017334A1 (en) *	2002-07-26	2004-01-29	Chan Hau Man	Three-dimensional image display
DE602005016962D1 (de)	2004-12-17	2009-11-12	Merck Patent Gmbh	Flüssigkristallines system undflüssigkristalline anzeige

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR721769A (fr) *	1931-08-19	1932-03-08		Perfectionnements aux dispositifs de chauffage pour la vulcanisation d'articles en caoutchouc
DE1547116A1 (de) *	1966-09-10	1969-11-06	Agfa Gevaert Ag	Stehbildwerfer mit UEberblendeinrichtung
US3499707A (en) *	1967-08-21	1970-03-10	Minnesota Mining & Mfg	Photographic projection apparatus
US3514198A (en) *	1968-03-13	1970-05-26	Rca Corp	Apparatus for previewing slides
BE721769A (pt) *	1968-10-03	1969-03-14
US3677631A (en) *	1970-05-14	1972-07-18	Eastman Kodak Co	Lap dissolve slide projector with single shiftable slide tray
US3689140A (en) *	1970-05-14	1972-09-05	Eastman Kodak Co	Lap dissolve slide projector
JPS49114423A (pt) *	1973-02-13	1974-10-31
CH580825A5 (pt) *	1974-02-25	1976-10-15	Gefitec Sa
DE3100485A1 (de) *	1981-01-09	1982-09-02	Michael 7000 Stuttgart Kärcher	Diaprojektor mit diaueberblendung
US4402584A (en) *	1982-02-22	1983-09-06	Morrie Palmer	Dual slide projector and tray

1984
- 1984-03-16 DE DE8484901836T patent/DE3475231D1/de not_active Expired
- 1984-03-16 EP EP84901836A patent/EP0174931B1/en not_active Expired
- 1984-03-16 JP JP59501720A patent/JPS61501473A/ja active Pending
- 1984-03-16 US US06/609,542 patent/US4595266A/en not_active Expired - Fee Related
- 1984-03-16 BR BR8407298A patent/BR8407298A/pt unknown
- 1984-03-16 WO PCT/US1984/000429 patent/WO1985004265A1/en not_active Ceased
- 1984-03-16 AT AT84901836T patent/ATE38727T1/de not_active IP Right Cessation
1985
- 1985-06-01 IN IN419/CAL/85A patent/IN164085B/en unknown

Also Published As

Publication number	Publication date
WO1985004265A1 (en)	1985-09-26
US4595266A (en)	1986-06-17
IN164085B (pt)	1989-01-14
EP0174931A1 (en)	1986-03-26
DE3475231D1 (en)	1988-12-22
ATE38727T1 (de)	1988-12-15
EP0174931B1 (en)	1988-11-17
JPS61501473A (ja)	1986-07-17

Similar Documents

Publication	Publication Date	Title
US3661449A (en)	1972-05-09	Overhead visual shutter device
ES2075937T3 (es)	1995-10-16	Sonda de video de visualizacion e iluminacion.
CA2142684A1 (en)	1995-09-30	Video display system for locating a projected image adjacent a surgical field
DE69021091D1 (de)	1995-08-31	Spurenzählvorrichtung für optische Scheiben.
BR8407298A (pt)	1986-03-25	Aparelho de projecao de diapositivos com optica de projecao multipla utilizando uma bandeja circular para dispositivos e tendo portas para dispositivos de posicoes fixas
DE59101886D1 (de)	1994-07-14	Diaprojektor zur Wand- und Mattscheibenprojektion.
FR2560397B1 (fr)	1986-11-14	Appareil de microlithographie optique a systeme d'alignement local
US3283652A (en)	1966-11-08	Modular multiple screen film projection systems
DE2034431B2 (de)	1978-07-13	Diaprojektor
IT1089500B (it)	1985-06-18	Dispositivo di comando per lampa de da proiezione in speci per proiettori cinematogrfici
DE1572896A1 (de)	1970-03-19	Projektionseinrichtung
US4129364A (en)	1978-12-12	Film projector
GB1017928A (en)	1966-01-26	Lighting system for projectors
JPS57189008A (en)	1982-11-20	Transit with image pickup system by television
FR2557314B1 (fr)	1986-04-18	Reticule projete pour systeme optique
US1606482A (en)	1926-11-09	Method and apparatus for producing composite motion pictures
JPH03222202A (ja)	1991-10-01	誘導装置
CS28890A2 (en)	1991-08-13	Optical system of projecting objective for slide projectors
ES252573U (es)	1980-11-16	Disposicion cinematografica perfeccionada
ES1009356Y (es)	1990-02-16	Equipo para proyeccion cinematografica circular.
BR7608541A (pt)	1978-07-18	Sistema de sincronizacao automatica de som com diapositivos para utilizacao com um ou varios projetores de slides em paralelo
IT7711550U1 (it)	1978-09-15	Proiettore con riflessione supplementare per la proiezione di diapositive da un caricatore utilizzabile anche per visione diretta per trasparenza
GB1337318A (en)	1973-11-14	Optical projection apparatus
TW229274B (en)	1994-09-01	Open/close mechanism for the base axis of two-axis binocular telescope
AU5860180A (en)	1981-02-05	Projector