GB227502A - Improvements in or relating to optical projection and cinematograph apparatus - Google Patents

Improvements in or relating to optical projection and cinematograph apparatus

Info

Publication number
GB227502A
GB227502A GB2538823A GB2538823A GB227502A GB 227502 A GB227502 A GB 227502A GB 2538823 A GB2538823 A GB 2538823A GB 2538823 A GB2538823 A GB 2538823A GB 227502 A GB227502 A GB 227502A
Authority
GB
United Kingdom
Prior art keywords
relating
optical projection
cinematograph apparatus
cap
cinematograph
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
GB2538823A
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.)
STUART COOPER
Original Assignee
STUART COOPER
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 STUART COOPER filed Critical STUART COOPER
Priority to GB2538823A priority Critical patent/GB227502A/en
Publication of GB227502A publication Critical patent/GB227502A/en
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
    • G03B21/00—Projectors or projection-type viewers; Accessories therefor
    • G03B21/14—Details
    • G03B21/26—Projecting separately subsidiary matter simultaneously with main image

Abstract

227,502. Cooper, S. Oct. 12, 1923. Optical-projection apparatus. - A flat pocket flash lamp a has a sliding cap b which is held in place by grooves c engaging ridges d, the cap being provided with a carrier for a film and a sleeve j having an adjustable lens carrier k.
GB2538823A 1923-10-12 1923-10-12 Improvements in or relating to optical projection and cinematograph apparatus Expired GB227502A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB2538823A GB227502A (en) 1923-10-12 1923-10-12 Improvements in or relating to optical projection and cinematograph apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2538823A GB227502A (en) 1923-10-12 1923-10-12 Improvements in or relating to optical projection and cinematograph apparatus

Publications (1)

Publication Number Publication Date
GB227502A true GB227502A (en) 1925-01-12

Family

ID=10226859

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2538823A Expired GB227502A (en) 1923-10-12 1923-10-12 Improvements in or relating to optical projection and cinematograph apparatus

Country Status (1)

Country Link
GB (1) GB227502A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2441866A1 (en) * 1978-11-14 1980-06-13 Vitrac Jean Pierre Portable projector for transparencies - has battery operated lamp, film support slot and lenses housed in cylindrical telescopic hand-held casing
US5233375A (en) * 1991-07-29 1993-08-03 Williams Charles A Logo projector
US5321449A (en) * 1992-09-25 1994-06-14 Mario Coccoli Projecting flashlight
EP2187261A1 (en) * 2008-11-17 2010-05-19 M. Matthieu Burlot Enclosure for the projection of images attachable to lighting source and corresponding device

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2441866A1 (en) * 1978-11-14 1980-06-13 Vitrac Jean Pierre Portable projector for transparencies - has battery operated lamp, film support slot and lenses housed in cylindrical telescopic hand-held casing
US5233375A (en) * 1991-07-29 1993-08-03 Williams Charles A Logo projector
US5321449A (en) * 1992-09-25 1994-06-14 Mario Coccoli Projecting flashlight
EP2187261A1 (en) * 2008-11-17 2010-05-19 M. Matthieu Burlot Enclosure for the projection of images attachable to lighting source and corresponding device
FR2938666A1 (en) * 2008-11-17 2010-05-21 Matthieu Burlot IMAGE PROJECTION HOUSING COUPLABLE TO A LIGHTING MEMBER AND CORRESPONDING DEVICE

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