JPS5225628A - Exposure means - Google Patents

Exposure means

Info

Publication number
JPS5225628A
JPS5225628A JP50101413A JP10141375A JPS5225628A JP S5225628 A JPS5225628 A JP S5225628A JP 50101413 A JP50101413 A JP 50101413A JP 10141375 A JP10141375 A JP 10141375A JP S5225628 A JPS5225628 A JP S5225628A
Authority
JP
Japan
Prior art keywords
exposure means
pulse
miniaturize
brightness
enhance
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
JP50101413A
Other languages
Japanese (ja)
Inventor
Masaki Ikeda
Tsunemi Yoshino
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.)
West Electric Co Ltd
Original Assignee
West Electric Co 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 West Electric Co Ltd filed Critical West Electric Co Ltd
Priority to JP50101413A priority Critical patent/JPS5225628A/en
Publication of JPS5225628A publication Critical patent/JPS5225628A/en
Pending legal-status Critical Current

Links

Landscapes

  • Exposure Control For Cameras (AREA)

Abstract

PURPOSE: To miniaturize a proper digital representation and enhance its reliability by controlling an oscillation time of an pulse oscillation circuit and a pulse interval in response to the brightness of an object, shutter speed and film sensitivity.
COPYRIGHT: (C)1977,JPO&Japio
JP50101413A 1975-08-20 1975-08-20 Exposure means Pending JPS5225628A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP50101413A JPS5225628A (en) 1975-08-20 1975-08-20 Exposure means

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50101413A JPS5225628A (en) 1975-08-20 1975-08-20 Exposure means

Publications (1)

Publication Number Publication Date
JPS5225628A true JPS5225628A (en) 1977-02-25

Family

ID=14300013

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50101413A Pending JPS5225628A (en) 1975-08-20 1975-08-20 Exposure means

Country Status (1)

Country Link
JP (1) JPS5225628A (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3742826A (en) * 1970-01-07 1973-07-03 Canon Kk Exposure control device
JPS5028831A (en) * 1973-07-16 1975-03-24
JPS5062430A (en) * 1973-10-02 1975-05-28

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3742826A (en) * 1970-01-07 1973-07-03 Canon Kk Exposure control device
JPS5028831A (en) * 1973-07-16 1975-03-24
JPS5062430A (en) * 1973-10-02 1975-05-28

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