ATE38727T1 - Diaprojektor fuer rundmagazine mit doppeloptik und festen projektionsoeffnungen. - Google Patents

Diaprojektor fuer rundmagazine mit doppeloptik und festen projektionsoeffnungen.

Info

Publication number
ATE38727T1
ATE38727T1 AT84901836T AT84901836T ATE38727T1 AT E38727 T1 ATE38727 T1 AT E38727T1 AT 84901836 T AT84901836 T AT 84901836T AT 84901836 T AT84901836 T AT 84901836T AT E38727 T1 ATE38727 T1 AT E38727T1
Authority
AT
Austria
Prior art keywords
pct
slide
slide projector
fixed projection
projection openings
Prior art date
Application number
AT84901836T
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.)
Filing date
Publication date
Application filed by Gideon A Kramer filed Critical Gideon A Kramer
Application granted granted Critical
Publication of ATE38727T1 publication Critical patent/ATE38727T1/de

Links

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)
AT84901836T 1984-03-16 1984-03-16 Diaprojektor fuer rundmagazine mit doppeloptik und festen projektionsoeffnungen. ATE38727T1 (de)

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
ATE38727T1 true ATE38727T1 (de) 1988-12-15

Family

ID=22182089

Family Applications (1)

Application Number Title Priority Date Filing Date
AT84901836T ATE38727T1 (de) 1984-03-16 1984-03-16 Diaprojektor fuer rundmagazine mit doppeloptik und festen projektionsoeffnungen.

Country Status (8)

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

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
US7794621B2 (en) 2004-12-17 2010-09-14 Merck Patent Gmbh Liquid crystal system and liquid crystal display

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 (de) * 1968-10-03 1969-03-14
US3689140A (en) * 1970-05-14 1972-09-05 Eastman Kodak Co Lap dissolve slide projector
US3677631A (en) * 1970-05-14 1972-07-18 Eastman Kodak Co Lap dissolve slide projector with single shiftable slide tray
JPS49114423A (de) * 1973-02-13 1974-10-31
CH580825A5 (de) * 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

Also Published As

Publication number Publication date
US4595266A (en) 1986-06-17
JPS61501473A (ja) 1986-07-17
WO1985004265A1 (en) 1985-09-26
EP0174931A1 (de) 1986-03-26
EP0174931B1 (de) 1988-11-17
IN164085B (de) 1989-01-14
DE3475231D1 (en) 1988-12-22
BR8407298A (pt) 1986-03-25

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Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties