CH449996A - Dia-Projektor - Google Patents

Dia-Projektor

Info

Publication number
CH449996A
CH449996A CH390165A CH390165A CH449996A CH 449996 A CH449996 A CH 449996A CH 390165 A CH390165 A CH 390165A CH 390165 A CH390165 A CH 390165A CH 449996 A CH449996 A CH 449996A
Authority
CH
Switzerland
Prior art keywords
slide projector
projector
slide
Prior art date
Application number
CH390165A
Other languages
English (en)
Inventor
L Stauffer Norman
Original Assignee
Honeywell 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.)
Filing date
Publication date
Application filed by Honeywell Inc filed Critical Honeywell Inc
Publication of CH449996A publication Critical patent/CH449996A/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
    • G03B21/00—Projectors or projection-type viewers; Accessories therefor
    • G03B21/14—Details
    • G03B21/53—Means for automatic focusing, e.g. to compensate thermal effects

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Projection Apparatus (AREA)
  • Automatic Focus Adjustment (AREA)
  • Focusing (AREA)
  • Projection-Type Copiers In General (AREA)
CH390165A 1964-03-26 1965-03-22 Dia-Projektor CH449996A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US355040A US3249007A (en) 1964-03-26 1964-03-26 Automatic focusing photographic projector

Publications (1)

Publication Number Publication Date
CH449996A true CH449996A (de) 1968-01-15

Family

ID=23395987

Family Applications (1)

Application Number Title Priority Date Filing Date
CH390165A CH449996A (de) 1964-03-26 1965-03-22 Dia-Projektor

Country Status (3)

Country Link
US (1) US3249007A (de)
CH (1) CH449996A (de)
GB (3) GB1090126A (de)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3296924A (en) * 1965-02-23 1967-01-10 Bell & Howell Co Single cell image plane position appraisal system for a slide projector
US3387534A (en) * 1965-05-12 1968-06-11 Durst Ag Automatic focusing device
US3399633A (en) * 1965-10-20 1968-09-03 Herscovitch William Howard Convertible rail-highway tractor
US3435744A (en) * 1966-05-31 1969-04-01 Eastman Kodak Co Automatic focusing system
DE1472299C3 (de) * 1966-09-10 1974-12-05 Ernst Leitz Gmbh, 6330 Wetzlar Vorrichtung zur selbsttätigen Feineinstellung der Bildschärfe von Diaprojektoren
US3536392A (en) * 1967-04-17 1970-10-27 Gaf Corp Automatic focusing system for image projecting devices
US3466125A (en) * 1967-06-23 1969-09-09 Eastman Kodak Co Focus adjusting circuitry for a slide projector
US3447867A (en) * 1968-06-03 1969-06-03 Eastman Kodak Co Focus compensating mechanism for single frame projection
US3589804A (en) * 1969-07-02 1971-06-29 Bell & Howell Co Lens-changing system
US3628863A (en) * 1969-07-28 1971-12-21 Eastman Kodak Co Remote focusing override mechanism for an automatic focusing photographic projector
US4168115A (en) * 1970-09-04 1979-09-18 Brunswick Corporation Golf game projector
US4415244A (en) * 1982-03-22 1983-11-15 Telex Communications, Inc. Automatic focusing system
JPH0827494B2 (ja) * 1987-07-02 1996-03-21 ミノルタ株式会社 複写機
US5113268A (en) * 1988-06-10 1992-05-12 Minolta Camera Kabushiki Kaisha Dual operational image reading apparatus
DE4201272A1 (de) * 1992-01-18 1993-07-22 Kodak Ag Verfahren zur automatischen bildscharfstellung bei verwendung glasgerahmter und glaslos gerahmter dias in diaprojektoren

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR903962A (fr) * 1943-05-04 1945-10-23 Tobis Tonbild Syndikat Gmbh Procédé de contrôle de la position du film dans les appareils de projection des films à images
GB823404A (en) * 1956-07-13 1959-11-11 Essoldomatic Ltd Improvements in motion picture projection apparatus
US2947215A (en) * 1957-03-04 1960-08-02 George A Mitchell Compensating film warpage in projectors
US3037423A (en) * 1957-12-30 1962-06-05 Polaroid Corp Automatic focusing system
US3205766A (en) * 1962-06-18 1965-09-14 Eastman Kodak Co Control apparatus

Also Published As

Publication number Publication date
GB1090126A (en) 1967-11-08
GB1090127A (en) 1967-11-08
US3249007A (en) 1966-05-03
GB1090128A (en) 1967-11-08

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