JPS5951335U - Ｔｔｌオ−トストロボ発光制御回路 - Google Patents

Ｔｔｌオ−トストロボ発光制御回路

Info

Publication number
JPS5951335U
JPS5951335U JP1982147589U JP14758982U JPS5951335U JP S5951335 U JPS5951335 U JP S5951335U JP 1982147589 U JP1982147589 U JP 1982147589U JP 14758982 U JP14758982 U JP 14758982U JP S5951335 U JPS5951335 U JP S5951335U
Authority
JP
Japan
Prior art keywords
shutter
emission control
light emission
circuit
control circuit
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
JP1982147589U
Other languages
English (en)
Other versions
JPH0435869Y2 (ja
Inventor
溝上　和紀
Original Assignee
オリンパス光学工業株式会社
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 オリンパス光学工業株式会社 filed Critical オリンパス光学工業株式会社
Priority to JP1982147589U priority Critical patent/JPS5951335U/ja
Priority to US06/514,173 priority patent/US4509845A/en
Priority to DE3334150A priority patent/DE3334150C2/de
Publication of JPS5951335U publication Critical patent/JPS5951335U/ja
Application granted granted Critical
Publication of JPH0435869Y2 publication Critical patent/JPH0435869Y2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B7/00—Control of exposure by setting shutters, diaphragms or filters, separately or conjointly
    • G03B7/16—Control of exposure by setting shutters, diaphragms or filters, separately or conjointly in accordance with both the intensity of the flash source and the distance of the flash source from the object, e.g. in accordance with the "guide number" of the flash bulb and the focusing of the camera

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Stroboscope Apparatuses (AREA)
  • Exposure Control For Cameras (AREA)

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。

Description

【図面の簡単な説明】
第１図はこの考案の一実施例の概略説明図、第２図はこ
の考案の一実施例の回路構成図、第３図は上記実施例の
動作を説明するためのタミングチャートである。 ６・・・ＡＰＥＸ演算回路、８・・・判別回路、９・・
・発光制御回路、２６・・・測光用光電変換素子、２６
・・・測光用光電変換素子、４３・・・ＡＰＥＸ演算制
御回路、５７・・・遅延回路。

Claims (1)

    【実用新案登録請求の範囲】
  1. ストロボ発光制御機能を有したフイ、ルム面反射測光式
    のカメラにおいて、シャッター先幕面および同先幕の走
    行によって露呈したフィルム面からの反射光を測光用光
    電変換素子で受光して同光電変換素子に流れる光電流を
    積分する光電流積分回路と、レリーズ前のＴＴＬ開放測
    光値に基づいてシャッター秒時を算出する演算回路と、
    上記算出されたシャツタ秒時がシャッタ同調秒時より遅
    いか否かを判別する判別回路と、上記判別結果に基づき
    ストロボを発光させるか否かを制御する□ストロボ発光
    制御回路と、上記判別結果に基づきストロボを発光させ
    る場合に上記光電流積分の開始をシャッタ先幕の走行開
    始時点から所定時間遅延させる遅延回路とを具備したこ
    とを特徴とするＴＴＬオートストロボ発光制御回路。
JP1982147589U 1982-09-28 1982-09-28 Ｔｔｌオ−トストロボ発光制御回路 Granted JPS5951335U (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP1982147589U JPS5951335U (ja) 1982-09-28 1982-09-28 Ｔｔｌオ−トストロボ発光制御回路
US06/514,173 US4509845A (en) 1982-09-28 1983-07-15 Apparatus for controlling the emission of an electronic flash
DE3334150A DE3334150C2 (de) 1982-09-28 1983-09-21 Belichtungssteuerschaltung für eine Kamera mit einem elektronischen Blitzgerät

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1982147589U JPS5951335U (ja) 1982-09-28 1982-09-28 Ｔｔｌオ−トストロボ発光制御回路

Publications (2)

Publication Number Publication Date
JPS5951335U true JPS5951335U (ja) 1984-04-04
JPH0435869Y2 JPH0435869Y2 (ja) 1992-08-25

Family

ID=15433763

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1982147589U Granted JPS5951335U (ja) 1982-09-28 1982-09-28 Ｔｔｌオ−トストロボ発光制御回路

Country Status (3)

Country Link
US (1) US4509845A (ja)
JP (1) JPS5951335U (ja)
DE (1) DE3334150C2 (ja)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5258529A (en) * 1975-11-08 1977-05-14 Canon Inc Camera system
JPH065352B2 (ja) * 1987-03-26 1994-01-19 旭光学工業株式会社 電子制御式カメラ
JP2673146B2 (ja) * 1992-08-04 1997-11-05 インターナショナル・ビジネス・マシーンズ・コーポレイション 電子フラッシュの発光タイミングを決定する方法及びカメラシステム
US7016603B2 (en) 2002-11-26 2006-03-21 Lab Partners Associates, Inc. Wireless communication module
US7800672B1 (en) 2005-05-09 2010-09-21 Raytheon Company Unit cell compression circuit and method
US7095355B1 (en) * 2005-05-09 2006-08-22 Raytheon Company Low power ADC for imaging arrays
WO2007012041A2 (en) 2005-07-20 2007-01-25 Lab Partners Associates, Inc. Wireless photographic communication system and method
US7437063B2 (en) 2006-04-07 2008-10-14 Lab Partners Associates, Inc. Wireless camera flash synchronizer system and method
JP5220104B2 (ja) 2007-05-29 2013-06-26 ラブ・パートナーズ・アソシエイツ・インコーポレーテッド カメラとワイヤレスデバイスとの間のホットシュー通信を維持するためのシステムおよび方法
US8614766B1 (en) 2009-02-12 2013-12-24 Lab Partners Associates, Inc. Systems and methods for controlling a power state of a remote device using camera body backlighting control signaling
US8326136B1 (en) 2009-02-12 2012-12-04 Lab Partners Associates, Inc. Systems and methods for communicating with a device using one or more camera body controls
EP2396699A4 (en) 2009-02-12 2012-10-03 Lab Partners Associates Inc SYSTEM AND METHOD FOR EARLY PHOTOGRAPHIC SYNCHRONIZATION
US8326141B1 (en) 2009-02-12 2012-12-04 Lab Partners Associates, Inc. Systems and methods for changing power states of a remote device using one or more camera body controls and a preset delay
US8718461B2 (en) 2009-02-12 2014-05-06 Lab Partners Associates, Inc. Photographic synchronization optimization system and method
WO2012009537A1 (en) 2010-07-14 2012-01-19 Lab Partners Associates, Inc. Photographic wireless communication protocol system and method
US9690169B2 (en) 2013-11-04 2017-06-27 Lab Partners Associates, Inc. Photographic lighting system and method

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52416A (en) * 1975-12-05 1977-01-05 Canon Inc Flash-shooting device
JPS5425832U (ja) * 1977-07-22 1979-02-20
JPS56123329U (ja) * 1980-02-19 1981-09-19

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2213436C2 (de) * 1972-03-20 1974-04-11 Carl Schenck Maschinenfabrik Gmbh, 6100 Darmstadt Schaltungsanordnung für Werkstoffprüfmaschinen zur Einstellung des beweglichen Einspannkopfes auf einen vorgegebenen Sollwert
JPS516020A (ja) * 1974-07-02 1976-01-19 Olympus Optical Co
JPS5168227A (ja) * 1974-12-10 1976-06-12 Canon Kk
JPS5226829A (en) * 1975-08-25 1977-02-28 Olympus Optical Co Ltd Daylight strobo device for the electronic shutter camera
JPS5249025A (en) * 1975-10-17 1977-04-19 Nippon Kogaku Kk <Nikon> Automatic light control type electronic flash photographing device
JPS5268412A (en) * 1975-12-04 1977-06-07 Minolta Camera Co Ltd Electric exposure camera which uses flash means
JPS5525024A (en) * 1978-08-09 1980-02-22 Minolta Camera Co Ltd Exposure control unit of single-lens reflex camera
JPS55140825A (en) * 1979-04-20 1980-11-04 Olympus Optical Co Ltd Exposure control unit for single-lens reflex camera having strobe control function
JPS56132317A (en) * 1980-03-19 1981-10-16 Minolta Camera Co Ltd Photographing apparatus using auxiliary light
DE3013542A1 (de) * 1980-04-09 1981-10-15 Schickedanz, Willi, Dipl.-Ing., 6050 Offenbach Kamera-blitzgeraete-kombination mit steuerbarem anteil des blitzlichts im verhaeltnis zum umgebungslicht
DE3116192C2 (de) * 1980-04-28 1985-04-18 Olympus Optical Co., Ltd., Tokio/Tokyo Kontrolleinrichtung für ein automatisches elektronisches Blitzgerät
JPS574027A (en) * 1980-06-09 1982-01-09 Minolta Camera Co Ltd Exposure control device for camera
US4429966A (en) * 1981-04-16 1984-02-07 Canon Kabushiki Kaisha Camera with photoelectric focus detecting device
JPS57185021A (en) * 1981-05-09 1982-11-15 Canon Inc Photometric device of single-lense reflex camera

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52416A (en) * 1975-12-05 1977-01-05 Canon Inc Flash-shooting device
JPS5425832U (ja) * 1977-07-22 1979-02-20
JPS56123329U (ja) * 1980-02-19 1981-09-19

Also Published As

Publication number Publication date
DE3334150C2 (de) 1986-09-25
JPH0435869Y2 (ja) 1992-08-25
US4509845A (en) 1985-04-09
DE3334150A1 (de) 1984-04-05

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