CH418672A - Dia-Projektor - Google Patents

Dia-Projektor

Info

Publication number
CH418672A
CH418672A CH743864A CH743864A CH418672A CH 418672 A CH418672 A CH 418672A CH 743864 A CH743864 A CH 743864A CH 743864 A CH743864 A CH 743864A CH 418672 A CH418672 A CH 418672A
Authority
CH
Switzerland
Prior art keywords
slide projector
projector
slide
Prior art date
Application number
CH743864A
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 CH418672A publication Critical patent/CH418672A/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)
  • Variable Magnification In Projection-Type Copying Machines (AREA)
CH743864A 1963-06-10 1964-06-08 Dia-Projektor CH418672A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US286708A US3249001A (en) 1963-06-10 1963-06-10 Automatic focusing photographic projector

Publications (1)

Publication Number Publication Date
CH418672A true CH418672A (de) 1966-08-15

Family

ID=23099821

Family Applications (1)

Application Number Title Priority Date Filing Date
CH743864A CH418672A (de) 1963-06-10 1964-06-08 Dia-Projektor

Country Status (4)

Country Link
US (1) US3249001A (de)
CH (1) CH418672A (de)
DE (1) DE1258624C2 (de)
GB (1) GB1016567A (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3308536A1 (de) * 1982-03-22 1983-10-20 Telex Communications, Inc., 55420 Minneapolis, Minn. Selbsttaetige scharfeinstellvorrichtung

Families Citing this family (11)

* 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
US3342102A (en) * 1965-02-23 1967-09-19 Bell & Howell Co Image plane position appraisal system for a slide projector
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
US3601482A (en) * 1969-10-23 1971-08-24 Eastman Kodak Co Automatic focusing mechanism for a lap dissolve projector
US3635551A (en) * 1970-05-18 1972-01-18 Gaf Corp Automatic focusing system for projectors and the like
DE2121379C3 (de) * 1971-04-30 1979-10-18 Heinz 3000 Hannover Preuss Audiovisuelles Wiedergabegerät und dafür bestimmte Bild-Ton-Platte
US3972607A (en) * 1974-12-30 1976-08-03 Agfa-Gevaert, A.G. Analog/digital control arrangement for photographic apparatus
DE4243488A1 (de) * 1992-12-22 1994-06-23 Zeiss Carl Fa Operationsmikroskop
CN104267562A (zh) * 2014-10-29 2015-01-07 成都怡云科技有限公司 一种带有播放幻灯片的多功能光学投影仪
CN111044455B (zh) * 2019-12-27 2022-08-30 河北工程大学 一种数字全息显微成像设备光路共焦装置

Family Cites Families (6)

* 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
DE1127617B (de) * 1960-06-29 1962-04-12 Dresden Feinmess Fokussierungsvorrichtung fuer Projektoren, insbesondere Stehbildwerfer
US3205766A (en) * 1962-06-18 1965-09-14 Eastman Kodak Co Control apparatus

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3308536A1 (de) * 1982-03-22 1983-10-20 Telex Communications, Inc., 55420 Minneapolis, Minn. Selbsttaetige scharfeinstellvorrichtung

Also Published As

Publication number Publication date
DE1258624B (de) 1975-08-21
US3249001A (en) 1966-05-03
DE1258624C2 (de) 1975-08-21
GB1016567A (en) 1966-01-12

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