CA966652A - Range finder - Google Patents

Range finder

Info

Publication number
CA966652A
CA966652A CA145,552A CA145552A CA966652A CA 966652 A CA966652 A CA 966652A CA 145552 A CA145552 A CA 145552A CA 966652 A CA966652 A CA 966652A
Authority
CA
Canada
Prior art keywords
range finder
finder
range
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
Application number
CA145,552A
Other languages
English (en)
Other versions
CA145552S (en
Inventor
Helmut Gela
Enzersdorf Maria
Walter Besenmatter
Robert Scheiber
Fritz Schneider
Gerhard Rothy
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.)
Individual
Original Assignee
Individual
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
Priority claimed from AT547271A external-priority patent/AT304260B/de
Priority claimed from AT868771A external-priority patent/AT315636B/de
Priority claimed from AT30372A external-priority patent/AT313057B/de
Application filed by Individual filed Critical Individual
Application granted granted Critical
Publication of CA966652A publication Critical patent/CA966652A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • G02B7/343—Systems for automatic generation of focusing signals using different areas in a pupil plane using light beam separating prisms

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Measurement Of Optical Distance (AREA)
  • Length Measuring Devices By Optical Means (AREA)
CA145,552A 1971-06-23 1972-06-23 Range finder Expired CA966652A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
AT547271A AT304260B (de) 1971-06-23 1971-06-23 Entfernungsmesser
AT868771A AT315636B (de) 1971-10-07 1971-10-07 Entfernungsmeßvorrichtung
AT30372A AT313057B (de) 1972-01-14 1972-01-14 Entfernungsmesser

Publications (1)

Publication Number Publication Date
CA966652A true CA966652A (en) 1975-04-29

Family

ID=27146127

Family Applications (1)

Application Number Title Priority Date Filing Date
CA145,552A Expired CA966652A (en) 1971-06-23 1972-06-23 Range finder

Country Status (5)

Country Link
US (1) US3844658A (de)
CA (1) CA966652A (de)
DE (1) DE2225557A1 (de)
FR (1) FR2143184B1 (de)
IT (1) IT959481B (de)

Families Citing this family (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2271590B1 (de) * 1974-01-15 1978-12-01 Thomson Brandt
US3945023A (en) * 1974-03-29 1976-03-16 Honeywell Inc. Auto-focus camera with solid state range finder
DE2437282C2 (de) * 1974-08-02 1983-05-05 Ernst Leitz Wetzlar Gmbh, 6330 Wetzlar Einrichtung zur fotoelektrischen Bestimmung der Lage einer Schärfenebene eines Bildes
US4039824A (en) * 1974-08-08 1977-08-02 Minolta Camera Kabushiki Kaisha Focus detecting photoelectric device
US4002899A (en) * 1974-12-04 1977-01-11 Honeywell Inc. Focus detecting apparatus
US4047022A (en) * 1976-01-13 1977-09-06 Ernst Leitz Gmbh Auto focus with spatial filtering and pairwise interrogation of photoelectric diodes
US4132888A (en) * 1976-03-17 1979-01-02 Toshihiro Kondo Device for automatically focusing image
US4078171A (en) * 1976-06-14 1978-03-07 Honeywell Inc. Digital auto focus
DE2813914A1 (de) * 1978-03-31 1979-10-11 Siemens Ag Anordnung zur scharfeinstellung der abbildung eines gegenstandes auf eine bildebene
DE2813913A1 (de) * 1978-03-31 1979-10-18 Siemens Ag Anordnung zur messung der entfernung oder geschwindigkeit eines gegenstandes
US4185191A (en) * 1978-06-05 1980-01-22 Honeywell Inc. Range determination system
DE2832044A1 (de) * 1978-07-21 1980-01-31 Agfa Gevaert Ag Fokussiervorrichtung fuer fotografische oder kinematografische kameras
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
US4336450A (en) * 1979-01-20 1982-06-22 Nippon Kogaku K.K. Focus detecting apparatus
DE3000307A1 (de) * 1979-01-20 1980-07-31 British Petroleum Co Bituminoese massen
JPS5632126A (en) * 1979-08-24 1981-04-01 Canon Inc Ttl type focus detector for lens interchangeable type camera
DE2936491A1 (de) * 1979-09-10 1981-05-21 Siemens AG, 1000 Berlin und 8000 München Mit einem belichtungsmessteil versehene schaltung zur sensorgesteuerten entfernungsmessung
DE2936536A1 (de) * 1979-09-10 1981-03-19 Siemens AG, 1000 Berlin und 8000 München Mit einem belichtungsmessteil versehene schaltung zur sensorgesteuerten entfernungsmessung
DE2936520A1 (de) * 1979-09-10 1981-03-26 Siemens AG, 1000 Berlin und 8000 München Schaltung zur sensorgesteuerten entfernungsmessung
DE2936521A1 (de) * 1979-09-10 1981-03-26 Siemens AG, 1000 Berlin und 8000 München Schaltung zur sensorgesteuerten entfernungsmessung
DE2936535A1 (de) * 1979-09-10 1981-04-02 Siemens AG, 1000 Berlin und 8000 München Schaltung zur sensorgesteuerten entfernungsmessung
DE2936492A1 (de) * 1979-09-10 1981-03-26 Siemens AG, 1000 Berlin und 8000 München Analog-digital-wandler zur bewertung des ausgangssignals eines optoelektronischen sensorelements
JPS5821714A (ja) * 1981-07-31 1983-02-08 Asahi Optical Co Ltd 光束分割器
AU554186B2 (en) * 1981-10-26 1986-08-14 Sony Corporation Apparatus for detecting distance to an object
JPS6052710A (ja) * 1983-09-01 1985-03-26 Rikagaku Kenkyusho 距離検知装置
US6906793B2 (en) * 2000-12-11 2005-06-14 Canesta, Inc. Methods and devices for charge management for three-dimensional sensing
DE60225430T2 (de) * 2001-04-25 2009-03-12 Nikon Corp. Entfernungsfinder, entfernungsfindeverfahren und photoelektrische wandlerschaltung
JP4558607B2 (ja) * 2005-08-24 2010-10-06 ローレル精機株式会社 硬貨検出装置

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3270647A (en) * 1963-06-21 1966-09-06 Agfa Ag Objective-focusing apparatus
US3614921A (en) * 1968-12-25 1971-10-26 Canon Kk Photoelectric device for detecting the focusing
US3684374A (en) * 1970-07-29 1972-08-15 Humphrey Res Ass Focus detector
US3623811A (en) * 1970-10-30 1971-11-30 Eastman Kodak Co Electrooptical rangefinder means

Also Published As

Publication number Publication date
DE2225557A1 (de) 1973-03-15
FR2143184A1 (de) 1973-02-02
IT959481B (it) 1973-11-10
FR2143184B1 (de) 1978-03-24
US3844658A (en) 1974-10-29

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