GB452378A - Improvements in or relating to cinematographic apparatus - Google Patents

Improvements in or relating to cinematographic apparatus

Info

Publication number
GB452378A
GB452378A GB546635A GB546635A GB452378A GB 452378 A GB452378 A GB 452378A GB 546635 A GB546635 A GB 546635A GB 546635 A GB546635 A GB 546635A GB 452378 A GB452378 A GB 452378A
Authority
GB
United Kingdom
Prior art keywords
mask
lens
relating
baird
additional
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
GB546635A
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.)
Baird Television Ltd
Original Assignee
Baird Television Ltd
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 Baird Television Ltd filed Critical Baird Television Ltd
Priority to GB546635A priority Critical patent/GB452378A/en
Publication of GB452378A publication Critical patent/GB452378A/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
    • G03B19/00—Cameras
    • G03B19/18—Motion-picture cameras

Abstract

452,378. Kinematograph apparatus. BAIRD, J. L., and BAIRD TELEVISION, Ltd., 58, Victoria Street, Westminster. Feb. 20, 1935, No. 5466. [Class 97 (i)] In apparatus comprising a mask 4 spaced from the gate and an additional lens system 6 focusing an image on the mask, the additional system 6 comprises at least two lenses the separation of which is adjustable to vary the magnification; a field lens 7 may be provided in or near the mask. As shown, the mask is carried by a hooded structure 1 in front of a camera lens 5. The apparatus may comprise at least one lens or lens portion moving with the film.
GB546635A 1935-02-20 1935-02-20 Improvements in or relating to cinematographic apparatus Expired GB452378A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB546635A GB452378A (en) 1935-02-20 1935-02-20 Improvements in or relating to cinematographic apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB546635A GB452378A (en) 1935-02-20 1935-02-20 Improvements in or relating to cinematographic apparatus

Publications (1)

Publication Number Publication Date
GB452378A true GB452378A (en) 1936-08-20

Family

ID=9796699

Family Applications (1)

Application Number Title Priority Date Filing Date
GB546635A Expired GB452378A (en) 1935-02-20 1935-02-20 Improvements in or relating to cinematographic apparatus

Country Status (1)

Country Link
GB (1) GB452378A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2488177A (en) * 1942-06-20 1949-11-15 Dufour Achille Pierre Device for taking composite motion pictures

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2488177A (en) * 1942-06-20 1949-11-15 Dufour Achille Pierre Device for taking composite motion pictures

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