FR2070188A1 - - Google Patents

Info

Publication number
FR2070188A1
FR2070188A1 FR7039846A FR7039846A FR2070188A1 FR 2070188 A1 FR2070188 A1 FR 2070188A1 FR 7039846 A FR7039846 A FR 7039846A FR 7039846 A FR7039846 A FR 7039846A FR 2070188 A1 FR2070188 A1 FR 2070188A1
Authority
FR
France
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.)
Granted
Application number
FR7039846A
Other versions
FR2070188B1 (fr
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.)
Canon Inc
Original Assignee
Canon Inc
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
Priority claimed from JP132970A external-priority patent/JPS5421730B1/ja
Priority claimed from JP45001328A external-priority patent/JPS5227532B1/ja
Priority claimed from JP45083119A external-priority patent/JPS5028176B1/ja
Application filed by Canon Inc filed Critical Canon Inc
Publication of FR2070188A1 publication Critical patent/FR2070188A1/fr
Application granted granted Critical
Publication of FR2070188B1 publication Critical patent/FR2070188B1/fr
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
    • 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)
  • Shutter-Related Mechanisms (AREA)
FR707039846A 1969-11-06 1970-11-05 Expired FR2070188B1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP8887369 1969-11-06
JP132970A JPS5421730B1 (fr) 1969-12-27 1969-12-27
JP45001328A JPS5227532B1 (fr) 1969-12-27 1969-12-27
JP45083119A JPS5028176B1 (fr) 1970-09-21 1970-09-21

Publications (2)

Publication Number Publication Date
FR2070188A1 true FR2070188A1 (fr) 1971-09-10
FR2070188B1 FR2070188B1 (fr) 1973-02-02

Family

ID=27453380

Family Applications (1)

Application Number Title Priority Date Filing Date
FR707039846A Expired FR2070188B1 (fr) 1969-11-06 1970-11-05

Country Status (1)

Country Link
FR (1) FR2070188B1 (fr)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1382785A (fr) * 1964-02-19 1964-12-18 Compur Werk Gmbh & Co Appareil photographique
GB1072349A (en) * 1963-11-14 1967-06-14 Canon Camera Co A camera flash circuit
DE1522012A1 (de) * 1967-02-16 1969-06-26 Agfa Gevaert Ag Fotografische Kamera mit einer Belichtungssteuervorrichtung und einem Blitzlichtgeraet
DE1805023A1 (de) * 1967-10-26 1969-07-03 Minolta Camerera Kabushiki Kai Automatischer Belichtungsregler beim Photographieren mittels Blitzlicht

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1072349A (en) * 1963-11-14 1967-06-14 Canon Camera Co A camera flash circuit
FR1382785A (fr) * 1964-02-19 1964-12-18 Compur Werk Gmbh & Co Appareil photographique
DE1522012A1 (de) * 1967-02-16 1969-06-26 Agfa Gevaert Ag Fotografische Kamera mit einer Belichtungssteuervorrichtung und einem Blitzlichtgeraet
DE1805023A1 (de) * 1967-10-26 1969-07-03 Minolta Camerera Kabushiki Kai Automatischer Belichtungsregler beim Photographieren mittels Blitzlicht

Also Published As

Publication number Publication date
DE2054521B2 (de) 1975-06-26
DE2054521A1 (de) 1971-07-15
FR2070188B1 (fr) 1973-02-02

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