JPH0551925B2 - - Google Patents

Info

Publication number
JPH0551925B2
JPH0551925B2 JP57118232A JP11823282A JPH0551925B2 JP H0551925 B2 JPH0551925 B2 JP H0551925B2 JP 57118232 A JP57118232 A JP 57118232A JP 11823282 A JP11823282 A JP 11823282A JP H0551925 B2 JPH0551925 B2 JP H0551925B2
Authority
JP
Japan
Prior art keywords
signal
terminal
counter
lens
brush
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.)
Expired - Lifetime
Application number
JP57118232A
Other languages
English (en)
Japanese (ja)
Other versions
JPS598019A (ja
Inventor
Shinji Sakai
Takashi Kawabata
Yoshihito Harada
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
Original Assignee
Canon Inc
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 Canon Inc filed Critical Canon Inc
Priority to JP57118232A priority Critical patent/JPS598019A/ja
Priority to US06/506,999 priority patent/US4554674A/en
Publication of JPS598019A publication Critical patent/JPS598019A/ja
Publication of JPH0551925B2 publication Critical patent/JPH0551925B2/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
    • G03B7/08—Control effected solely on the basis of the response, to the intensity of the light received by the camera, of a built-in light-sensitive device
    • G03B7/091—Digital circuits
    • G03B7/093—Digital circuits for control of exposure time
    • 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
    • G03B7/08—Control effected solely on the basis of the response, to the intensity of the light received by the camera, of a built-in light-sensitive device
    • G03B7/091—Digital circuits

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Focusing (AREA)
  • Automatic Focus Adjustment (AREA)
  • Control Of Position Or Direction (AREA)
  • Lens Barrels (AREA)
JP57118232A 1982-07-06 1982-07-06 移動量検知装置 Granted JPS598019A (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP57118232A JPS598019A (ja) 1982-07-06 1982-07-06 移動量検知装置
US06/506,999 US4554674A (en) 1982-07-06 1983-06-23 Apparatus for detecting the amount of movement of a member to be controlled

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP57118232A JPS598019A (ja) 1982-07-06 1982-07-06 移動量検知装置

Publications (2)

Publication Number Publication Date
JPS598019A JPS598019A (ja) 1984-01-17
JPH0551925B2 true JPH0551925B2 (en, 2012) 1993-08-04

Family

ID=14731493

Family Applications (1)

Application Number Title Priority Date Filing Date
JP57118232A Granted JPS598019A (ja) 1982-07-06 1982-07-06 移動量検知装置

Country Status (2)

Country Link
US (1) US4554674A (en, 2012)
JP (1) JPS598019A (en, 2012)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07119868B2 (ja) * 1985-06-20 1995-12-20 オリンパス光学工業株式会社 交換レンズの距離情報出力装置
US4742367A (en) * 1985-10-15 1988-05-03 Canon Kabushiki Kaisha Photographic information setting device
US4669098A (en) * 1986-05-16 1987-05-26 Tektronix, Inc. Increased resolution counting circuit
US4873398A (en) * 1988-06-30 1989-10-10 Hewlett-Packard Company Flat panel display with integrated digitizing tablet
US5170416A (en) * 1991-06-17 1992-12-08 Tektronix, Inc. Encoder duty-cycle error correction
JPH05100745A (ja) * 1991-10-09 1993-04-23 Fujitsu Ten Ltd 位置制御装置

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3661464A (en) * 1970-03-16 1972-05-09 Jorway Corp Optical interferometer
JPS50158328A (en, 2012) * 1974-06-10 1975-12-22
JPS5256532A (en) * 1975-11-04 1977-05-10 Canon Inc Iris information setting device for camera
JPS5431735A (en) * 1977-08-15 1979-03-08 Copal Co Ltd Automatic iris control device
JPS5937696Y2 (ja) * 1979-04-24 1984-10-19 オリンパス光学工業株式会社 電子カウンタ回路
GB2097127B (en) * 1981-01-27 1984-09-05 Mitutoyo Mfg Co Ltd Contact point type measuring device

Also Published As

Publication number Publication date
US4554674A (en) 1985-11-19
JPS598019A (ja) 1984-01-17

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