JPS5417726A - Bulb device of cameras - Google Patents

Bulb device of cameras

Info

Publication number
JPS5417726A
JPS5417726A JP8228077A JP8228077A JPS5417726A JP S5417726 A JPS5417726 A JP S5417726A JP 8228077 A JP8228077 A JP 8228077A JP 8228077 A JP8228077 A JP 8228077A JP S5417726 A JPS5417726 A JP S5417726A
Authority
JP
Japan
Prior art keywords
cameras
bulb device
circuit
manual
disabling
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
JP8228077A
Other languages
Japanese (ja)
Inventor
Masayoshi Sawara
Masaaki Nakai
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.)
Minolta Co Ltd
Original Assignee
Minolta 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 Minolta Co Ltd filed Critical Minolta Co Ltd
Priority to JP8228077A priority Critical patent/JPS5417726A/en
Publication of JPS5417726A publication Critical patent/JPS5417726A/en
Pending legal-status Critical Current

Links

Landscapes

  • Shutter-Related Mechanisms (AREA)

Abstract

PURPOSE: To enable bulb photographing to be performed only with one manual changeover switch by disabling a power supply holding circuit with the manual operating switch and automatically cutting off the relation between an exposure control circuit and a magnet drive circuit.
COPYRIGHT: (C)1979,JPO&Japio
JP8228077A 1977-07-09 1977-07-09 Bulb device of cameras Pending JPS5417726A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8228077A JPS5417726A (en) 1977-07-09 1977-07-09 Bulb device of cameras

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8228077A JPS5417726A (en) 1977-07-09 1977-07-09 Bulb device of cameras

Publications (1)

Publication Number Publication Date
JPS5417726A true JPS5417726A (en) 1979-02-09

Family

ID=13770087

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8228077A Pending JPS5417726A (en) 1977-07-09 1977-07-09 Bulb device of cameras

Country Status (1)

Country Link
JP (1) JPS5417726A (en)

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