JPS523278A - Light emission control device in the flash light emission device - Google Patents

Light emission control device in the flash light emission device

Info

Publication number
JPS523278A
JPS523278A JP7943675A JP7943675A JPS523278A JP S523278 A JPS523278 A JP S523278A JP 7943675 A JP7943675 A JP 7943675A JP 7943675 A JP7943675 A JP 7943675A JP S523278 A JPS523278 A JP S523278A
Authority
JP
Japan
Prior art keywords
light emission
control device
emission control
flash
flash light
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
JP7943675A
Other languages
Japanese (ja)
Other versions
JPS5840731B2 (en
Inventor
Tsukumo Nobusawa
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.)
Pentax Corp
Original Assignee
Asahi Kogaku Kogyo 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 Asahi Kogaku Kogyo Co Ltd filed Critical Asahi Kogaku Kogyo Co Ltd
Priority to JP7943675A priority Critical patent/JPS5840731B2/en
Priority to US05/608,729 priority patent/US4035814A/en
Priority to GB35975/75A priority patent/GB1519183A/en
Priority to DE2539030A priority patent/DE2539030C3/en
Publication of JPS523278A publication Critical patent/JPS523278A/en
Publication of JPS5840731B2 publication Critical patent/JPS5840731B2/en
Expired legal-status Critical Current

Links

Landscapes

  • Stroboscope Apparatuses (AREA)
  • Discharge-Lamp Control Circuits And Pulse- Feed Circuits (AREA)

Abstract

PURPOSE:To provide a device for providing a control device of high precision capable of getting a precise amount of light emission according to the distance of a subject by reducing the influence of the change of voltage of a power source and the surrounding temperature.
JP7943675A 1974-09-02 1975-06-27 Senkouhouden Hatsukoukiniokel Hatsukoseigiyosouchi Expired JPS5840731B2 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP7943675A JPS5840731B2 (en) 1975-06-27 1975-06-27 Senkouhouden Hatsukoukiniokel Hatsukoseigiyosouchi
US05/608,729 US4035814A (en) 1974-09-02 1975-08-28 Electronic flash apparatus controlled by a digital memory system
GB35975/75A GB1519183A (en) 1974-09-02 1975-09-01 Digital control syste*m for electronic flash apparatus
DE2539030A DE2539030C3 (en) 1974-09-02 1975-09-02 Circuit arrangement for controlling the emitted by a flashlight discharge lamp of an electronic flash device. Amount of light

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7943675A JPS5840731B2 (en) 1975-06-27 1975-06-27 Senkouhouden Hatsukoukiniokel Hatsukoseigiyosouchi

Publications (2)

Publication Number Publication Date
JPS523278A true JPS523278A (en) 1977-01-11
JPS5840731B2 JPS5840731B2 (en) 1983-09-07

Family

ID=13689818

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7943675A Expired JPS5840731B2 (en) 1974-09-02 1975-06-27 Senkouhouden Hatsukoukiniokel Hatsukoseigiyosouchi

Country Status (1)

Country Link
JP (1) JPS5840731B2 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60100733U (en) * 1983-12-14 1985-07-09 ミノルタ株式会社 Accessory attachment/detachment device

Also Published As

Publication number Publication date
JPS5840731B2 (en) 1983-09-07

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