FR844516A - Appareil optique de projection - Google Patents

Appareil optique de projection

Info

Publication number
FR844516A
FR844516A FR844516DA FR844516A FR 844516 A FR844516 A FR 844516A FR 844516D A FR844516D A FR 844516DA FR 844516 A FR844516 A FR 844516A
Authority
FR
France
Prior art keywords
projection device
optical projection
optical
projection
Prior art date
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
Other languages
English (en)
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.)
Kodak Pathe SA
Original Assignee
Kodak Pathe 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.)
Filing date
Publication date
Application filed by Kodak Pathe SA filed Critical Kodak Pathe SA
Application granted granted Critical
Publication of FR844516A publication Critical patent/FR844516A/fr
Expired legal-status Critical Current

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
    • G03B1/00—Film strip handling
    • G03B1/56—Threading; Loop forming
    • 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
    • G03B23/00—Devices for changing pictures in viewing apparatus or projectors
    • G03B23/08—Devices for changing pictures in viewing apparatus or projectors in which pictures are attached to a movable carrier
    • G03B23/12—Devices for changing pictures in viewing apparatus or projectors in which pictures are attached to a movable carrier linear strip carrier
FR844516D 1937-10-07 1938-10-07 Appareil optique de projection Expired FR844516A (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US167749A US2165419A (en) 1937-10-07 1937-10-07 Film winding and gate opening mechanism
US273281A US2213746A (en) 1937-10-07 1939-05-12 Film winding and gate opening mechanism

Publications (1)

Publication Number Publication Date
FR844516A true FR844516A (fr) 1939-07-26

Family

ID=26863439

Family Applications (1)

Application Number Title Priority Date Filing Date
FR844516D Expired FR844516A (fr) 1937-10-07 1938-10-07 Appareil optique de projection

Country Status (4)

Country Link
US (2) US2165419A (fr)
DE (1) DE698341C (fr)
FR (1) FR844516A (fr)
GB (1) GB517497A (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2534083A (en) * 1946-04-18 1950-12-12 Bradfield And Bidwell Inc Projector
US2495019A (en) * 1946-04-19 1950-01-17 Graflex Inc Roll film camera having differential means for operating pressure pads
US2505016A (en) * 1947-03-06 1950-04-25 Argus Inc Reversible slide film feed
US2518682A (en) * 1947-10-17 1950-08-15 Eastman Kodak Co Fixed plane film guiding means for viewing and projection devices
US3114285A (en) * 1957-05-29 1963-12-17 Argus Inc Automatic slide centering
US3138057A (en) * 1959-08-05 1964-06-23 Kalart Co Inc Apparatus for projecting and editing motion picture film
KR940015641A (ko) * 1992-12-30 1994-07-21 김광호 카메라용 필름 와인딩/리와인딩 모우터의 과부하 검지방법 및 그 장치

Also Published As

Publication number Publication date
US2165419A (en) 1939-07-11
GB517497A (en) 1940-01-31
DE698341C (de) 1940-11-07
US2213746A (en) 1940-09-03

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