JPS5421339A - Diaphragm value arthmetic circuit for camera - Google Patents

Diaphragm value arthmetic circuit for camera

Info

Publication number
JPS5421339A
JPS5421339A JP8506877A JP8506877A JPS5421339A JP S5421339 A JPS5421339 A JP S5421339A JP 8506877 A JP8506877 A JP 8506877A JP 8506877 A JP8506877 A JP 8506877A JP S5421339 A JPS5421339 A JP S5421339A
Authority
JP
Japan
Prior art keywords
circuit
voltage
diaphragm value
arthmetic
camera
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.)
Pending
Application number
JP8506877A
Other languages
Japanese (ja)
Inventor
Junichi Mameta
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.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP8506877A priority Critical patent/JPS5421339A/en
Publication of JPS5421339A publication Critical patent/JPS5421339A/en
Pending legal-status Critical Current

Links

Landscapes

  • Exposure Control For Cameras (AREA)

Abstract

PURPOSE: To make it possible to simplify the circuit and make the circuit IC by adding the voltage of shutter speed value, voltage of film sensitivity value, and voltage of lens open diaphragm value, subtracting the voltage of photometric amount therefrom, and obtaining the voltage of optimum diaphragm value.
COPYRIGHT: (C)1979,JPO&Japio
JP8506877A 1977-07-18 1977-07-18 Diaphragm value arthmetic circuit for camera Pending JPS5421339A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8506877A JPS5421339A (en) 1977-07-18 1977-07-18 Diaphragm value arthmetic circuit for camera

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8506877A JPS5421339A (en) 1977-07-18 1977-07-18 Diaphragm value arthmetic circuit for camera

Publications (1)

Publication Number Publication Date
JPS5421339A true JPS5421339A (en) 1979-02-17

Family

ID=13848302

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8506877A Pending JPS5421339A (en) 1977-07-18 1977-07-18 Diaphragm value arthmetic circuit for camera

Country Status (1)

Country Link
JP (1) JPS5421339A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57183826A (en) * 1981-05-07 1982-11-12 Olympus Optical Co Endoscope photographing apparatus

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57183826A (en) * 1981-05-07 1982-11-12 Olympus Optical Co Endoscope photographing apparatus

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