KR910001232U - 구동링의 위치감지장치 - Google Patents

구동링의 위치감지장치

Info

Publication number
KR910001232U
KR910001232U KR2019900008062U KR900008062U KR910001232U KR 910001232 U KR910001232 U KR 910001232U KR 2019900008062 U KR2019900008062 U KR 2019900008062U KR 900008062 U KR900008062 U KR 900008062U KR 910001232 U KR910001232 U KR 910001232U
Authority
KR
South Korea
Prior art keywords
positioning device
driving ring
ring
driving
positioning
Prior art date
Application number
KR2019900008062U
Other languages
English (en)
Other versions
KR960000556Y1 (ko
Inventor
기미야끼 오가와
Original Assignee
아사히 고오가꾸 고오교오 가부시끼가이샤
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 아사히 고오가꾸 고오교오 가부시끼가이샤 filed Critical 아사히 고오가꾸 고오교오 가부시끼가이샤
Publication of KR910001232U publication Critical patent/KR910001232U/ko
Application granted granted Critical
Publication of KR960000556Y1 publication Critical patent/KR960000556Y1/ko

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
    • G03B17/00—Details of cameras or camera bodies; Accessories therefor
    • G03B17/56—Accessories
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
    • G01D5/12—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means
    • G01D5/244—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing characteristics of pulses or pulse trains; generating pulses or pulse trains
    • G01D5/249—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing characteristics of pulses or pulse trains; generating pulses or pulse trains using pulse code
    • G01D5/2492—Pulse stream
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
    • G01D5/12—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means
    • G01D5/244—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing characteristics of pulses or pulse trains; generating pulses or pulse trains
    • G01D5/245—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing characteristics of pulses or pulse trains; generating pulses or pulse trains using a variable number of pulses in a train
    • G01D5/2454—Encoders incorporating incremental and absolute signals
    • G01D5/2455—Encoders incorporating incremental and absolute signals with incremental and absolute tracks on the same encoder
    • G01D5/2457—Incremental encoders having reference marks

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Lens Barrels (AREA)
  • Length Measuring Devices By Optical Means (AREA)
KR2019900008062U 1989-06-06 1990-06-07 구동링의 위치감지장치 KR960000556Y1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP1989065924U JPH036615U (ko) 1989-06-06 1989-06-06
JP1-65924 1989-06-06

Publications (2)

Publication Number Publication Date
KR910001232U true KR910001232U (ko) 1991-01-24
KR960000556Y1 KR960000556Y1 (ko) 1996-01-17

Family

ID=13301007

Family Applications (1)

Application Number Title Priority Date Filing Date
KR2019900008062U KR960000556Y1 (ko) 1989-06-06 1990-06-07 구동링의 위치감지장치

Country Status (6)

Country Link
US (1) US5073790A (ko)
JP (1) JPH036615U (ko)
KR (1) KR960000556Y1 (ko)
DE (1) DE4017794A1 (ko)
FR (1) FR2647895A1 (ko)
GB (1) GB2234345A (ko)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0553170A (ja) * 1991-08-29 1993-03-05 Canon Inc 絞り装置を有する光学機器
US5781817A (en) * 1996-01-26 1998-07-14 Asahi Kogaku Kogyo Kabushiki Kaisha Exposure controlling device and encoder for camera
GB2309519B (en) * 1996-01-26 1999-12-15 Asahi Optical Co Ltd Encoder for camera
KR970071598A (ko) * 1996-04-30 1997-11-07 배순훈 전자제품의 모드 판별 장치
AT406800B (de) * 1998-03-09 2000-09-25 Bauer Fritz Steuerungssystem für ein objektiv einer kamera
JP2001194574A (ja) * 2000-01-11 2001-07-19 Fuji Photo Film Co Ltd 移動機構、レンズ鏡胴、及び撮像装置
US6724429B2 (en) 2001-04-23 2004-04-20 Panavision, Inc. System for sensing and displaying lens data for high performance film and video cameras and lenses
AU2002314867B2 (en) 2001-05-30 2006-07-06 Panavision Inc. Hand-held remote control and display system for film and video cameras and lenses
JP5533055B2 (ja) * 2010-03-10 2014-06-25 ソニー株式会社 光学的測定装置及び光学的測定方法
CN102466842B (zh) * 2010-11-09 2013-04-24 亚洲光学股份有限公司 光学装置及其镜头碰撞防止方法
WO2014057726A1 (ja) * 2012-10-11 2014-04-17 ソニー株式会社 位置検出装置、レンズ鏡筒、撮像装置

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2357061C2 (de) * 1973-11-15 1985-02-14 Robert Bosch Gmbh, 7000 Stuttgart Einrichtung zur Abgabe von gleichmäßigen Impulsen bei bestimmten Winkelstellungen einer drehbaren Welle und zur Bildung von wenigstens einem Bezugssignal
GB1484414A (en) * 1974-05-28 1977-09-01 Schneider Co Optische Werke Adjusting device for variable-focus lenses
US4442351A (en) * 1981-10-05 1984-04-10 General Electric Company Optoelectronic incremental position encoder
JPS6089709A (ja) * 1983-10-21 1985-05-20 Mitsubishi Electric Corp 絶対位置検出装置
DE3403150C1 (de) * 1984-01-31 1985-07-04 Deutsche Thomson-Brandt Gmbh, 7730 Villingen-Schwenningen Anordnung zur Erzeugung von Steuerimpulsen zum Betrieb eines Videoaufzeichnungs- und Wiedergabegeraetes
JPH0754391B2 (ja) * 1984-02-14 1995-06-07 オリンパス光学工業株式会社 カメラの露出制御装置
GB2157039B (en) * 1984-04-03 1988-11-30 Monarch Marking Systems Inc System for controlling the advancement of a web of sheet stock containing a plurality of labels
US4750821A (en) * 1984-08-24 1988-06-14 Canon Kabushiki Kaisha Zoom lens assembly
DE3602292A1 (de) * 1986-01-25 1987-08-06 Audi Ag Geberanordnung
FR2595461B1 (fr) * 1986-03-04 1991-08-16 Peugeot Procede de reperage angulaire d'une machine tournante
US4786803A (en) * 1987-06-01 1988-11-22 Hewlett-Packard Company Single channel encoder with specific scale support structure

Also Published As

Publication number Publication date
FR2647895A1 (fr) 1990-12-07
GB9012470D0 (en) 1990-07-25
GB2234345A (en) 1991-01-30
DE4017794A1 (de) 1990-12-13
KR960000556Y1 (ko) 1996-01-17
US5073790A (en) 1991-12-17
JPH036615U (ko) 1991-01-23

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