JPS55166635A - Voltage detecting device of camera - Google Patents

Voltage detecting device of camera

Info

Publication number
JPS55166635A
JPS55166635A JP7521579A JP7521579A JPS55166635A JP S55166635 A JPS55166635 A JP S55166635A JP 7521579 A JP7521579 A JP 7521579A JP 7521579 A JP7521579 A JP 7521579A JP S55166635 A JPS55166635 A JP S55166635A
Authority
JP
Japan
Prior art keywords
capacitor
output
voltage
converter
circuit
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.)
Granted
Application number
JP7521579A
Other languages
English (en)
Other versions
JPS6335007B2 (ja
Inventor
Masayoshi Kiuchi
Masaharu Kawamura
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
Application filed by Canon Inc filed Critical Canon Inc
Priority to JP7521579A priority Critical patent/JPS55166635A/ja
Priority to US06/159,493 priority patent/US4286858A/en
Publication of JPS55166635A publication Critical patent/JPS55166635A/ja
Publication of JPS6335007B2 publication Critical patent/JPS6335007B2/ja
Granted 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
    • G03B7/26—Power supplies; Circuitry or arrangement to switch on the power source; Circuitry to check the power source voltage
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Current Or Voltage (AREA)
  • Tests Of Electric Status Of Batteries (AREA)
  • Exposure Control For Cameras (AREA)
  • Indication In Cameras, And Counting Of Exposures (AREA)
  • Analogue/Digital Conversion (AREA)
JP7521579A 1979-06-15 1979-06-15 Voltage detecting device of camera Granted JPS55166635A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP7521579A JPS55166635A (en) 1979-06-15 1979-06-15 Voltage detecting device of camera
US06/159,493 US4286858A (en) 1979-06-15 1980-06-16 Voltage detecting device for camera

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7521579A JPS55166635A (en) 1979-06-15 1979-06-15 Voltage detecting device of camera

Publications (2)

Publication Number Publication Date
JPS55166635A true JPS55166635A (en) 1980-12-25
JPS6335007B2 JPS6335007B2 (ja) 1988-07-13

Family

ID=13569758

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7521579A Granted JPS55166635A (en) 1979-06-15 1979-06-15 Voltage detecting device of camera

Country Status (2)

Country Link
US (1) US4286858A (ja)
JP (1) JPS55166635A (ja)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04308605A (ja) * 1991-04-08 1992-10-30 Sumitomo Metal Ind Ltd 銅導体ペースト
US6280081B1 (en) * 1999-07-09 2001-08-28 Applied Materials, Inc. Methods and apparatus for calibrating temperature measurements and measuring currents

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2717191A1 (de) * 1977-04-19 1978-11-02 Agfa Gevaert Ag Vorrichtung zur anzeige der batteriespannung in fotografischen oder kinematografischen kameras
JPS53148432A (en) * 1977-05-30 1978-12-25 Canon Inc Back cover for cameras provided with sounding body

Also Published As

Publication number Publication date
US4286858A (en) 1981-09-01
JPS6335007B2 (ja) 1988-07-13

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