JP4497693B2 - 測光処理回路、カメラ及びストロボ - Google Patents

測光処理回路、カメラ及びストロボ Download PDF

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Publication number
JP4497693B2
JP4497693B2 JP2000299220A JP2000299220A JP4497693B2 JP 4497693 B2 JP4497693 B2 JP 4497693B2 JP 2000299220 A JP2000299220 A JP 2000299220A JP 2000299220 A JP2000299220 A JP 2000299220A JP 4497693 B2 JP4497693 B2 JP 4497693B2
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Japan
Prior art keywords
circuit
light emission
transistor
output
light
Prior art date
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Expired - Fee Related
Application number
JP2000299220A
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English (en)
Japanese (ja)
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JP2002107789A5 (enExample
JP2002107789A (ja
Inventor
敏之 熊倉
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.)
Canon Inc
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Canon Inc
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Publication date
Application filed by Canon Inc filed Critical Canon Inc
Priority to JP2000299220A priority Critical patent/JP4497693B2/ja
Publication of JP2002107789A publication Critical patent/JP2002107789A/ja
Publication of JP2002107789A5 publication Critical patent/JP2002107789A5/ja
Application granted granted Critical
Publication of JP4497693B2 publication Critical patent/JP4497693B2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
  • Exposure Control For Cameras (AREA)
  • Stroboscope Apparatuses (AREA)
  • Studio Devices (AREA)
JP2000299220A 2000-09-29 2000-09-29 測光処理回路、カメラ及びストロボ Expired - Fee Related JP4497693B2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2000299220A JP4497693B2 (ja) 2000-09-29 2000-09-29 測光処理回路、カメラ及びストロボ

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2000299220A JP4497693B2 (ja) 2000-09-29 2000-09-29 測光処理回路、カメラ及びストロボ

Publications (3)

Publication Number Publication Date
JP2002107789A JP2002107789A (ja) 2002-04-10
JP2002107789A5 JP2002107789A5 (enExample) 2007-11-15
JP4497693B2 true JP4497693B2 (ja) 2010-07-07

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ID=18781061

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2000299220A Expired - Fee Related JP4497693B2 (ja) 2000-09-29 2000-09-29 測光処理回路、カメラ及びストロボ

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JP (1) JP4497693B2 (enExample)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4556489B2 (ja) * 2004-05-25 2010-10-06 株式会社ニコン 閃光装置
WO2007043282A1 (ja) * 2005-10-11 2007-04-19 Rohm Co., Ltd. 電流検出回路およびそれを用いた受光装置、発光制御装置ならびにそれらを用いた電子機器
KR102596083B1 (ko) * 2022-08-09 2023-11-01 주식회사 샤카드 폭발물 탐지 장치

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0719008B2 (ja) * 1985-12-14 1995-03-06 株式会社コパル プログラムシヤツタの制御回路
JPH0949762A (ja) * 1995-08-09 1997-02-18 Mitsubishi Electric Corp 光量電圧変換回路
JPH1019675A (ja) * 1996-07-04 1998-01-23 Mitsubishi Electric Corp 測光回路
JP3780038B2 (ja) * 1996-07-31 2006-05-31 キヤノン株式会社 ストロボ装置

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Publication number Publication date
JP2002107789A (ja) 2002-04-10

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