GB1557060A - Fixed point photographic expousuremeter - Google Patents

Fixed point photographic expousuremeter

Info

Publication number
GB1557060A
GB1557060A GB5245476A GB5245476A GB1557060A GB 1557060 A GB1557060 A GB 1557060A GB 5245476 A GB5245476 A GB 5245476A GB 5245476 A GB5245476 A GB 5245476A GB 1557060 A GB1557060 A GB 1557060A
Authority
GB
United Kingdom
Prior art keywords
expousuremeter
fixed point
point photographic
photographic
fixed
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
GB5245476A
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.)
Pentax Corp
Original Assignee
Asahi Kogaku Kogyo Co 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 Asahi Kogaku Kogyo Co Ltd filed Critical Asahi Kogaku Kogyo Co Ltd
Publication of GB1557060A publication Critical patent/GB1557060A/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
    • G03B17/00—Details of cameras or camera bodies; Accessories therefor
    • G03B17/18—Signals indicating condition of a camera member or suitability of light
    • G03B17/20—Signals indicating condition of a camera member or suitability of light visible in viewfinder

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Indication In Cameras, And Counting Of Exposures (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
  • Exposure Control For Cameras (AREA)
  • Illuminated Signs And Luminous Advertising (AREA)
GB5245476A 1975-12-27 1976-12-15 Fixed point photographic expousuremeter Expired GB1557060A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP17641275U JPS5290040U (enrdf_load_stackoverflow) 1975-12-27 1975-12-27

Publications (1)

Publication Number Publication Date
GB1557060A true GB1557060A (en) 1979-12-05

Family

ID=16013225

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5245476A Expired GB1557060A (en) 1975-12-27 1976-12-15 Fixed point photographic expousuremeter

Country Status (3)

Country Link
JP (1) JPS5290040U (enrdf_load_stackoverflow)
DE (2) DE2658699A1 (enrdf_load_stackoverflow)
GB (1) GB1557060A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2209849A (en) * 1987-09-14 1989-05-24 Peter Jeremy Paul Molloy A tonal metering system

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0013676B1 (de) * 1979-01-30 1982-03-10 Rollei-Werke Franke & Heidecke GmbH + Co KG Belichtungsanzeige im Sucher einer fotografischen Kamera
JPH0138856Y2 (enrdf_load_stackoverflow) * 1980-06-03 1989-11-20

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4410943Y1 (enrdf_load_stackoverflow) * 1964-09-04 1969-05-06
JPS456149Y1 (enrdf_load_stackoverflow) * 1967-05-02 1970-03-26
JPS5843726B2 (ja) * 1973-02-06 1983-09-28 キヤノン株式会社 サツエイジヨウホウヒヨウジホウシキ

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2209849A (en) * 1987-09-14 1989-05-24 Peter Jeremy Paul Molloy A tonal metering system

Also Published As

Publication number Publication date
DE7640472U1 (de) 1979-03-08
DE2658699A1 (de) 1977-07-07
JPS5290040U (enrdf_load_stackoverflow) 1977-07-05

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Legal Events

Date Code Title Description
PS Patent sealed
746 Register noted 'licences of right' (sect. 46/1977)
PE20 Patent expired after termination of 20 years

Effective date: 19961214