DE2901149C2 - - Google Patents

Info

Publication number
DE2901149C2
DE2901149C2 DE2901149A DE2901149A DE2901149C2 DE 2901149 C2 DE2901149 C2 DE 2901149C2 DE 2901149 A DE2901149 A DE 2901149A DE 2901149 A DE2901149 A DE 2901149A DE 2901149 C2 DE2901149 C2 DE 2901149C2
Authority
DE
Germany
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
DE2901149A
Other versions
DE2901149A1 (en
Inventor
Saburo Urawa Saitama Jp Numata
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.)
Fujinon Corp
Original Assignee
Fujinon Corp
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 Fujinon Corp filed Critical Fujinon Corp
Priority to DE2901149A priority Critical patent/DE2901149C2/de
Publication of DE2901149A1 publication Critical patent/DE2901149A1/en
Application granted granted Critical
Publication of DE2901149C2 publication Critical patent/DE2901149C2/de
Application status is Expired legal-status Critical

Links

Classifications

    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03BAPPARATUS 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
    • G03B7/00Control of exposure by setting shutters, diaphragms or filters, separately or conjointly
    • G03B7/16Control of exposure by setting shutters, diaphragms or filters, separately or conjointly in accordance with both the intensity of the flash source and the distance of the flash source from the object, e.g. in accordance with the "guide number" of the flash bulb and the focusing of the camera
DE2901149A 1979-01-12 1979-01-12 Expired DE2901149C2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE2901149A DE2901149C2 (en) 1979-01-12 1979-01-12

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2901149A DE2901149C2 (en) 1979-01-12 1979-01-12

Publications (2)

Publication Number Publication Date
DE2901149A1 DE2901149A1 (en) 1980-07-24
DE2901149C2 true DE2901149C2 (en) 1983-07-28

Family

ID=6060474

Family Applications (1)

Application Number Title Priority Date Filing Date
DE2901149A Expired DE2901149C2 (en) 1979-01-12 1979-01-12

Country Status (1)

Country Link
DE (1) DE2901149C2 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2090668B (en) * 1980-11-04 1984-10-31 Asahi Optical Co Ltd Aperture value control device utilizing a frequency signal from a flash unit on a camera

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4016575A (en) * 1974-04-03 1977-04-05 Canon Kabushiki Kaisha Exposure control system for flash photography
JPS5358233A (en) * 1976-11-06 1978-05-26 Asahi Optical Co Ltd Digital control automatic exposure camera

Also Published As

Publication number Publication date
DE2901149A1 (en) 1980-07-24

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Legal Events

Date Code Title Description
OAP Request for examination filed
OD Request for examination
D2 Grant after examination
8364 No opposition during term of opposition
8328 Change in the person/name/address of the agent

Free format text: KLUNKER, H., DIPL.-ING. DR.RER.NAT., PAT.-ANW., 8000 MUENCHEN

8339 Ceased/non-payment of the annual fee