JPS5039544A - - Google Patents

Info

Publication number
JPS5039544A
JPS5039544A JP49078658A JP7865874A JPS5039544A JP S5039544 A JPS5039544 A JP S5039544A JP 49078658 A JP49078658 A JP 49078658A JP 7865874 A JP7865874 A JP 7865874A JP S5039544 A JPS5039544 A JP S5039544A
Authority
JP
Japan
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
JP49078658A
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 filed Critical
Publication of JPS5039544A publication Critical patent/JPS5039544A/ja
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/10—Beam splitting or combining systems
    • G02B27/14—Beam splitting or combining systems operating by reflection only
    • G02B27/144—Beam splitting or combining systems operating by reflection only using partially transparent surfaces without spectral selectivity
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
    • G02B7/28—Systems for automatic generation of focusing signals
    • G02B7/34—Systems for automatic generation of focusing signals using different areas in a pupil plane

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Automatic Focus Adjustment (AREA)
  • Focusing (AREA)
JP49078658A 1973-07-09 1974-07-09 Pending JPS5039544A (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US90/003000A US3875401B1 (en) 1973-07-09 1973-07-09 Focus detecting apparatus

Publications (1)

Publication Number Publication Date
JPS5039544A true JPS5039544A (ja) 1975-04-11

Family

ID=23490607

Family Applications (1)

Application Number Title Priority Date Filing Date
JP49078658A Pending JPS5039544A (ja) 1973-07-09 1974-07-09

Country Status (5)

Country Link
US (1) US3875401B1 (ja)
JP (1) JPS5039544A (ja)
CA (1) CA1007081A (ja)
DE (1) DE2431860C2 (ja)
GB (1) GB1447832A (ja)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5897012A (ja) * 1981-12-07 1983-06-09 Olympus Optical Co Ltd 焦点検出装置
JPS5933409A (ja) * 1982-08-19 1984-02-23 Olympus Optical Co Ltd 合焦検出装置
JP2021081361A (ja) * 2019-11-21 2021-05-27 株式会社東芝 受信用レーザ光受信装置、レーザ超音波計測装置およびレーザ超音波計測方法

Families Citing this family (43)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3961178A (en) * 1973-10-23 1976-06-01 Canon Kabushiki Kaisha Image sharpness detecting system and apparatus utilizing the same
JPS5091317A (ja) * 1973-12-12 1975-07-22
DE2406045C2 (de) * 1974-02-08 1983-03-17 Canon Inc., Tokyo Anordnung, bestehend aus wenigstens zwei fotoelektrischen Wandlerelementen
FR2306495A1 (fr) * 1975-04-04 1976-10-29 Thomson Brandt Systeme de lecture d'un enregistrement par exploration optique ponctuelle d'une piste diffractante
US4009388A (en) * 1975-10-30 1977-02-22 Xerox Corporation Arrangement for extending photosensor array resolution
US4005285A (en) * 1975-10-30 1977-01-25 Xerox Corporation Optical system for extending photosensor array resolution
GB1564733A (en) * 1975-10-30 1980-04-10 Xerox Corp Arrangement for extending photosensor array resolution
US4047022A (en) * 1976-01-13 1977-09-06 Ernst Leitz Gmbh Auto focus with spatial filtering and pairwise interrogation of photoelectric diodes
US4201456A (en) * 1976-04-22 1980-05-06 Wolbarsht Myron L Method and apparatus for detecting the focusing condition of an optical system
USRE32886E (en) * 1976-06-14 1989-03-14 Honeywell, Inc. Digital auto focus
US4078171A (en) * 1976-06-14 1978-03-07 Honeywell Inc. Digital auto focus
JPS5461921A (en) * 1977-10-27 1979-05-18 Asahi Optical Co Ltd Focal point detector
JPS54145133A (en) * 1978-05-02 1979-11-13 Asahi Optical Co Ltd Focus detector
US4185191A (en) * 1978-06-05 1980-01-22 Honeywell Inc. Range determination system
DE2838647A1 (de) 1978-09-05 1980-04-10 Siemens Ag Verfahren zur automatischen oder halbautomatischen entfernungsmessung und scharfeinstellung der abbildung eines gegenstandes auf eine bildebene
JPS5559411A (en) * 1978-10-30 1980-05-02 Olympus Optical Co Ltd Focus point detector
JPS5598709A (en) * 1979-01-20 1980-07-28 Nippon Kogaku Kk <Nikon> Focusing detector
US4336450A (en) * 1979-01-20 1982-06-22 Nippon Kogaku K.K. Focus detecting apparatus
US4309603A (en) * 1979-10-17 1982-01-05 Honeywell Inc. Auto focus system
US4272187A (en) * 1979-12-17 1981-06-09 International Business Machines Corporation Automatic alignment of optical elements in an electrophotographic apparatus
US4548495A (en) * 1981-02-27 1985-10-22 Takeomi Suzuki Proper focusing state detecting device
DE3331444A1 (de) * 1982-09-03 1984-03-08 Asahi Kogaku Kogyo K.K., Tokyo Scharfeinstellungsdetektorvorrichtung
JPS5962811A (ja) * 1982-10-04 1984-04-10 Canon Inc 焦点検出装置
JPS5965814A (ja) * 1982-10-07 1984-04-14 Canon Inc 合焦検出装置
US5202555A (en) * 1983-01-10 1993-04-13 Minolta Camera Kabushiki Kaisha Focus detecting device for use with cameras with correlation and contrast detecting means
US4636624A (en) * 1983-01-10 1987-01-13 Minolta Camera Kabushiki Kaisha Focus detecting device for use with cameras
US4636627A (en) * 1983-01-17 1987-01-13 Canon Kabushiki Kaisha Focus detecting apparatus
JPS6037511A (ja) * 1983-08-09 1985-02-26 Minolta Camera Co Ltd カメラの焦点検出装置
JPH067219B2 (ja) * 1983-08-16 1994-01-26 ミノルタカメラ株式会社 カメラの焦点検出装置
US4766302A (en) * 1984-05-17 1988-08-23 Minolta Camera Kabushiki Kaisha Focus detecting device including means for determining a priority of correlation calculations
JPS61145515A (ja) * 1984-12-19 1986-07-03 Minolta Camera Co Ltd 焦点検出装置
US4862204A (en) * 1985-12-25 1989-08-29 Minolta Camera Kabushiki Kaisha Focus detection device and method
JPS62168107A (ja) * 1986-01-20 1987-07-24 Minolta Camera Co Ltd 焦点検出用光学系
US4835615A (en) * 1986-01-21 1989-05-30 Minolta Camera Kabushiki Kaisha Image sensor with improved response characteristics
US4835442A (en) * 1987-01-29 1989-05-30 Kabushiki Kaisha Toshiba Lamp for generating ultraviolet radiation
US5278602A (en) * 1989-05-09 1994-01-11 Asahi Kogaku Kogyo Kabushiki Kaisha Distance measuring device
US5694632A (en) * 1991-12-23 1997-12-02 Capper Technologies, Inc. Camera with autofocus and aiming mechanism and method
US5189463A (en) * 1992-02-12 1993-02-23 David G. Capper Camera aiming mechanism and method
US6128071A (en) * 1998-06-04 2000-10-03 Canon Kabushiki Kaisha Range data recordation
US6320979B1 (en) 1998-10-06 2001-11-20 Canon Kabushiki Kaisha Depth of field enhancement
KR20110044396A (ko) * 2009-10-23 2011-04-29 삼성전기주식회사 카메라 모듈
TWI534717B (zh) * 2014-05-30 2016-05-21 正崴精密工業股份有限公司 指紋感測器
GB201708859D0 (en) * 2017-06-02 2017-07-19 Purelifi Ltd Optical detector

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2651771A (en) * 1949-10-14 1953-09-08 Sperry Corp Angular motion detector and position indicator
DE1258725B (de) * 1965-09-24 1968-01-11 Voigtlaender Ag Verfahren und Vorrichtung zum Einstellen eines optischen Geraets auf eine Objektentfernung
DE1547457A1 (de) * 1966-01-22 1970-02-19 Schneider Co Optische Werke Verfahren und Vorrichtung zur automatischen Scharfeinstellung optischer Systeme
AT301331B (de) * 1968-11-25 1972-08-25 Eumig Einrichtung zur Entfernungsmessung
JPS499372B1 (ja) * 1969-11-15 1974-03-04
US3617761A (en) * 1969-12-15 1971-11-02 Bell & Howell Co Radiation sensitive remote control system
US3622797A (en) * 1970-07-02 1971-11-23 Twentieth Cent Fox Film Corp Radiation sensitive automatic focus system
US3623811A (en) * 1970-10-30 1971-11-30 Eastman Kodak Co Electrooptical rangefinder means

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5897012A (ja) * 1981-12-07 1983-06-09 Olympus Optical Co Ltd 焦点検出装置
JPS5933409A (ja) * 1982-08-19 1984-02-23 Olympus Optical Co Ltd 合焦検出装置
JP2021081361A (ja) * 2019-11-21 2021-05-27 株式会社東芝 受信用レーザ光受信装置、レーザ超音波計測装置およびレーザ超音波計測方法

Also Published As

Publication number Publication date
US3875401A (en) 1975-04-01
US3875401B1 (en) 1994-02-01
CA1007081A (en) 1977-03-22
GB1447832A (en) 1976-09-02
DE2431860A1 (de) 1975-01-30
DE2431860C2 (de) 1983-05-26

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