JPS5816622U - カメラシステムにおける信号伝達装置 - Google Patents

カメラシステムにおける信号伝達装置

Info

Publication number
JPS5816622U
JPS5816622U JP1981109659U JP10965981U JPS5816622U JP S5816622 U JPS5816622 U JP S5816622U JP 1981109659 U JP1981109659 U JP 1981109659U JP 10965981 U JP10965981 U JP 10965981U JP S5816622 U JPS5816622 U JP S5816622U
Authority
JP
Japan
Prior art keywords
current
voltage
signal
signal transmission
transmission device
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
JP1981109659U
Other languages
English (en)
Inventor
村野　民夫
山根　聰
鈴木　敏立
福島　善夫
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.)
Ricoh Co Ltd
Original Assignee
Ricoh 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 Ricoh Co Ltd filed Critical Ricoh Co Ltd
Priority to JP1981109659U priority Critical patent/JPS5816622U/ja
Priority to US06/400,623 priority patent/US4443082A/en
Priority to DE19823227608 priority patent/DE3227608A1/de
Publication of JPS5816622U publication Critical patent/JPS5816622U/ja
Pending 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
    • G03B7/26—Power supplies; Circuitry or arrangement to switch on the power source; Circuitry to check the power source voltage

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Structure And Mechanism Of Cameras (AREA)
  • Exposure Control For Cameras (AREA)
  • Amplifiers (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図は本考案の第１の実施例の構成を示す回路構成図
、第２図は本考案の第２の実施例の°構成を示す回路構
成図、第３図は同実施例を説明するための図である。 Ｖ／Ｉ・・・・・・電圧−電流変換器、Ｉ／Ｖ・・・・
・・電流−電圧変換器、ＤＶｌ、　ＤＶ２．　ＤＶ３−
−−−−−［動回路、ＣＭｌ。 ６Ｍ２，６Ｍ３・・・・・・電流ミラー回路、Ｒ１，Ｒ
２，Ｒ３・・・・・・電流設定用抵抗、ＯＰｌ、Ｏ２０
，ＯＦ２．ＯＦ２・・・・・・演算増幅器（オペアンプ
）　、Ｑ、、　Ｑ２．　Ｑ３．　Ｑ、。 Ｑ５．　Ｑ８．　Ｄｌ、　Ｄ２ｅ　Ｉ）３・・・・・・
トランジスタ。

Claims (1)

    【実用新案登録請求の範囲】
  1. それぞれ固有の電源を有するカメラ本体およびアクセサ
    リの一方送信側に送信すべき電圧信号を電流信萼に変換
    する電圧−電流変換器を設け、且つ他方受信側に受信し
    た電流信号を電圧信号に変換する電流−電圧変換器を設
    けて、電流信号により信号伝達を行なろ構成としたこと
    を特徴とするカメラシステムにおける信号伝達装置。
JP1981109659U 1981-07-23 1981-07-23 カメラシステムにおける信号伝達装置 Pending JPS5816622U (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP1981109659U JPS5816622U (ja) 1981-07-23 1981-07-23 カメラシステムにおける信号伝達装置
US06/400,623 US4443082A (en) 1981-07-23 1982-07-22 Current signal controlled camera system
DE19823227608 DE3227608A1 (de) 1981-07-23 1982-07-23 Kamerasystem

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1981109659U JPS5816622U (ja) 1981-07-23 1981-07-23 カメラシステムにおける信号伝達装置

Publications (1)

Publication Number Publication Date
JPS5816622U true JPS5816622U (ja) 1983-02-01

Family

ID=14515894

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1981109659U Pending JPS5816622U (ja) 1981-07-23 1981-07-23 カメラシステムにおける信号伝達装置

Country Status (3)

Country Link
US (1) US4443082A (ja)
JP (1) JPS5816622U (ja)
DE (1) DE3227608A1 (ja)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5956536A (en) * 1996-08-21 1999-09-21 Polaroid Corporation Camera optical accessories therefor and method of use
US8153738B2 (en) 2008-12-23 2012-04-10 E I Du Pont De Nemours And Company Fluoropolymer produced by aqueous polymerization using dispersed particulate of fluorinated ionomer
US8436053B2 (en) * 2008-12-23 2013-05-07 E.I. Du Pont De Nemours And Company Fluorinated ionomer produced by aqueous polymerization using dispersed particulate of fluorinated ionomer
WO2010075495A1 (en) 2008-12-23 2010-07-01 E. I. Du Pont De Nemours And Company Fluorinated ionomer produced by aqueous polymerization using dispersed particulate of fluorinated ionomer
US8835547B2 (en) * 2008-12-23 2014-09-16 E I Du Pont De Nemours And Company Fluoropolymer particles having a nucleus of fluorinated ionomer
US8436054B2 (en) * 2008-12-23 2013-05-07 E I Du Pont De Nemours And Company Fluorinated ionomer produced by aqueous polymerization using dispersed particulate of fluorinated ionomer produced in situ
US8058376B2 (en) * 2008-12-23 2011-11-15 E. I. Du Pont De Nemours And Company Fluoropolymer produced by aqueous polymerization using dispersed particulate of fluorinated lonomer produced in situ
EP2935370A1 (en) 2012-12-18 2015-10-28 E. I. du Pont de Nemours and Company Process for producing fluoroelastomers

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2806566A1 (de) * 1977-02-17 1978-08-24 Minolta Camera Kk Photographischer filmaufwickel- (filmtransport-) und verschlusspannmechanismus
JPS5591009A (en) * 1978-12-28 1980-07-10 Canon Inc Switching control unit
JPS55108644A (en) * 1979-02-14 1980-08-21 Olympus Optical Co Ltd Endscope photographing apparatus
DD141724A1 (de) * 1979-03-27 1980-05-14 Siegfried Schuetze Einrichtung zur elektrischen uebertragung von objektivinformationen
JPS55136030A (en) * 1979-04-06 1980-10-23 Olympus Optical Co Photographing device for endoscope
JPS55146427A (en) * 1979-05-01 1980-11-14 Nippon Kogaku Kk <Nikon> Exposure factor information generating circuit having temperature compensating characteristic

Also Published As

Publication number Publication date
DE3227608A1 (de) 1983-02-10
US4443082A (en) 1984-04-17

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