GB1452523A - Cameras - Google Patents

Cameras

Info

Publication number
GB1452523A
GB1452523A GB4890173A GB4890173A GB1452523A GB 1452523 A GB1452523 A GB 1452523A GB 4890173 A GB4890173 A GB 4890173A GB 4890173 A GB4890173 A GB 4890173A GB 1452523 A GB1452523 A GB 1452523A
Authority
GB
United Kingdom
Prior art keywords
reflector
filters
concave
cameras
oct
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
GB4890173A
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.)
Turpin G L
Original Assignee
Turpin G L
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 Turpin G L filed Critical Turpin G L
Priority to GB4890173A priority Critical patent/GB1452523A/en
Publication of GB1452523A publication Critical patent/GB1452523A/en
Priority to HK17977A priority patent/HK17977A/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
    • G03B11/00—Filters or other obturators specially adapted for photographic purposes

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Length Measuring Devices By Optical Means (AREA)

Abstract

1452523 Cameras G L TURPIN 21 Oct 1974 [19 Oct 1973] 48901/73 Addition to 1358079 Headings G2A and G2X Light from a lamp 15 is directed on to the film of a camera 6 through filters 21 and a concave reflector 22, light from the scene to be photographed passing through the reflector. A concave coloured reflector 19 may be provided between the lamp and the filters. A fresnel type lens may be provided between the filters and the concave reflector 22.
GB4890173A 1973-10-19 1973-10-19 Cameras Expired GB1452523A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB4890173A GB1452523A (en) 1973-10-19 1973-10-19 Cameras
HK17977A HK17977A (en) 1973-10-19 1977-04-14 Improvements in or relating to cameras

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB4890173A GB1452523A (en) 1973-10-19 1973-10-19 Cameras

Publications (1)

Publication Number Publication Date
GB1452523A true GB1452523A (en) 1976-10-13

Family

ID=10450374

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4890173A Expired GB1452523A (en) 1973-10-19 1973-10-19 Cameras

Country Status (2)

Country Link
GB (1) GB1452523A (en)
HK (1) HK17977A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2261294A (en) * 1991-10-18 1993-05-12 Patrick Joseph Walsh Filter housing

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2261294A (en) * 1991-10-18 1993-05-12 Patrick Joseph Walsh Filter housing

Also Published As

Publication number Publication date
HK17977A (en) 1977-04-22

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Legal Events

Date Code Title Description
PS Patent sealed
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee