JPS4817334B1 - - Google Patents

Info

Publication number
JPS4817334B1
JPS4817334B1 JP45107198A JP10719870A JPS4817334B1 JP S4817334 B1 JPS4817334 B1 JP S4817334B1 JP 45107198 A JP45107198 A JP 45107198A JP 10719870 A JP10719870 A JP 10719870A JP S4817334 B1 JPS4817334 B1 JP S4817334B1
Authority
JP
Japan
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.)
Pending
Application number
JP45107198A
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 filed Critical
Priority to JP45107198A priority Critical patent/JPS4817334B1/ja
Priority to US00204579A priority patent/US3748989A/en
Publication of JPS4817334B1 publication Critical patent/JPS4817334B1/ja
Pending 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
    • G03B7/00—Control of exposure by setting shutters, diaphragms or filters, separately or conjointly
    • G03B7/16—Control 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Stroboscope Apparatuses (AREA)
  • Exposure Control For Cameras (AREA)
JP45107198A 1970-12-05 1970-12-05 Pending JPS4817334B1 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP45107198A JPS4817334B1 (ja) 1970-12-05 1970-12-05
US00204579A US3748989A (en) 1970-12-05 1971-12-03 Electronic flash system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP45107198A JPS4817334B1 (ja) 1970-12-05 1970-12-05

Publications (1)

Publication Number Publication Date
JPS4817334B1 true JPS4817334B1 (ja) 1973-05-29

Family

ID=14452952

Family Applications (1)

Application Number Title Priority Date Filing Date
JP45107198A Pending JPS4817334B1 (ja) 1970-12-05 1970-12-05

Country Status (2)

Country Link
US (1) US3748989A (ja)
JP (1) JPS4817334B1 (ja)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50156932A (ja) * 1974-06-07 1975-12-18
US4105929A (en) * 1976-06-30 1978-08-08 Gte Sylvania Incorporated Shunt triggered flashtube having safety feature
US4192597A (en) * 1978-10-27 1980-03-11 Polaroid Corporation Photographic apparatus for selectively actuating a pulsable electronic strobe
JP2995113B2 (ja) * 1991-08-23 1999-12-27 コニカ株式会社 閃光発光回路

Also Published As

Publication number Publication date
US3748989A (en) 1973-07-31

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