JPS54139731A - Circuit for preventing erroneous alarm from displaying in light receiving diaphragm interlocking type program electric shutter - Google Patents

Circuit for preventing erroneous alarm from displaying in light receiving diaphragm interlocking type program electric shutter

Info

Publication number
JPS54139731A
JPS54139731A JP7904278A JP7904278A JPS54139731A JP S54139731 A JPS54139731 A JP S54139731A JP 7904278 A JP7904278 A JP 7904278A JP 7904278 A JP7904278 A JP 7904278A JP S54139731 A JPS54139731 A JP S54139731A
Authority
JP
Japan
Prior art keywords
displaying
circuit
light receiving
preventing erroneous
electric shutter
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
JP7904278A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6239412B2 (enExample
Inventor
Kunio Arisaka
Akita Namioka
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.)
Nidec Precision Corp
Original Assignee
Nidec Copal 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 Nidec Copal Corp filed Critical Nidec Copal Corp
Priority to JP7904278A priority Critical patent/JPS54139731A/ja
Priority to DE2915803A priority patent/DE2915803C2/de
Priority to DE19792954241 priority patent/DE2954241C2/de
Priority to DE2954240A priority patent/DE2954240C2/de
Priority to US06/031,966 priority patent/US4258990A/en
Publication of JPS54139731A publication Critical patent/JPS54139731A/ja
Publication of JPS6239412B2 publication Critical patent/JPS6239412B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Exposure Control For Cameras (AREA)
  • Shutters For Cameras (AREA)
  • Indication In Cameras, And Counting Of Exposures (AREA)
JP7904278A 1978-04-21 1978-06-29 Circuit for preventing erroneous alarm from displaying in light receiving diaphragm interlocking type program electric shutter Granted JPS54139731A (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP7904278A JPS54139731A (en) 1978-06-29 1978-06-29 Circuit for preventing erroneous alarm from displaying in light receiving diaphragm interlocking type program electric shutter
DE2915803A DE2915803C2 (de) 1978-04-21 1979-04-19 Belichtungswarneinrichtung für eine Kamera
DE19792954241 DE2954241C2 (de) 1978-04-21 1979-04-19 Fehlbelichtungswarnvorrichtung fuer kameras mit einem programmierbaren elektrischen verschluss
DE2954240A DE2954240C2 (de) 1978-04-21 1979-04-19 Belichtungssteuereinrichtung für Kameras mit einem programmierbaren elektrischen Verschluß
US06/031,966 US4258990A (en) 1978-04-21 1979-04-20 Program type electric shutter provided with exposure warning indicating device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7904278A JPS54139731A (en) 1978-06-29 1978-06-29 Circuit for preventing erroneous alarm from displaying in light receiving diaphragm interlocking type program electric shutter

Publications (2)

Publication Number Publication Date
JPS54139731A true JPS54139731A (en) 1979-10-30
JPS6239412B2 JPS6239412B2 (enExample) 1987-08-22

Family

ID=13678846

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7904278A Granted JPS54139731A (en) 1978-04-21 1978-06-29 Circuit for preventing erroneous alarm from displaying in light receiving diaphragm interlocking type program electric shutter

Country Status (1)

Country Link
JP (1) JPS54139731A (enExample)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5053040A (enExample) * 1973-08-01 1975-05-10
JPS5252631A (en) * 1975-10-25 1977-04-27 Asahi Optical Co Ltd Display device in finder by led

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5053040A (enExample) * 1973-08-01 1975-05-10
JPS5252631A (en) * 1975-10-25 1977-04-27 Asahi Optical Co Ltd Display device in finder by led

Also Published As

Publication number Publication date
JPS6239412B2 (enExample) 1987-08-22

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