DE2936104C2 - - Google Patents

Info

Publication number
DE2936104C2
DE2936104C2 DE19792936104 DE2936104A DE2936104C2 DE 2936104 C2 DE2936104 C2 DE 2936104C2 DE 19792936104 DE19792936104 DE 19792936104 DE 2936104 A DE2936104 A DE 2936104A DE 2936104 C2 DE2936104 C2 DE 2936104C2
Authority
DE
Germany
Prior art keywords
output
light
comparator
distance
signal
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
DE19792936104
Other languages
German (de)
English (en)
Other versions
DE2936104A1 (de
Inventor
Giovanni St. Sulpice Ch Odone
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.)
Robert Bosch GmbH
Original Assignee
Robert Bosch GmbH
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 Robert Bosch GmbH filed Critical Robert Bosch GmbH
Priority to DE19792936104 priority Critical patent/DE2936104A1/de
Priority to JP12360980A priority patent/JPS5646412A/ja
Publication of DE2936104A1 publication Critical patent/DE2936104A1/de
Application granted granted Critical
Publication of DE2936104C2 publication Critical patent/DE2936104C2/de
Granted 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
    • G02B27/108—Beam splitting or combining systems for sampling a portion of a beam or combining a small beam in a larger one, e.g. wherein the area ratio or power ratio of the divided beams significantly differs from unity, without spectral selectivity
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S17/00—Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems
    • G01S17/02—Systems using the reflection of electromagnetic waves other than radio waves
    • G01S17/06—Systems determining position data of a target
    • G01S17/46—Indirect determination of position data
    • 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
    • G02B27/1006—Beam splitting or combining systems for splitting or combining different wavelengths
    • 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
    • G02B27/141—Beam splitting or combining systems operating by reflection only using dichroic mirrors
    • 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
    • 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
    • G02B27/145—Beam splitting or combining systems operating by reflection only having sequential partially reflecting surfaces
    • 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
    • G02B27/149—Beam splitting or combining systems operating by reflection only using crossed beamsplitting surfaces, e.g. cross-dichroic cubes or X-cubes
    • 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
    • G02B7/30—Systems for automatic generation of focusing signals using parallactic triangle with a base line
    • G02B7/32—Systems for automatic generation of focusing signals using parallactic triangle with a base line using active means, e.g. light emitter

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Measurement Of Optical Distance (AREA)
  • Focusing (AREA)
  • Viewfinders (AREA)
  • Automatic Focus Adjustment (AREA)
DE19792936104 1979-09-07 1979-09-07 Einrichtung zur entfernungsmessung Granted DE2936104A1 (de)

Priority Applications (2)

Application Number Priority Date Filing Date Title
DE19792936104 DE2936104A1 (de) 1979-09-07 1979-09-07 Einrichtung zur entfernungsmessung
JP12360980A JPS5646412A (en) 1979-09-07 1980-09-08 Range measuring apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19792936104 DE2936104A1 (de) 1979-09-07 1979-09-07 Einrichtung zur entfernungsmessung

Publications (2)

Publication Number Publication Date
DE2936104A1 DE2936104A1 (de) 1981-03-26
DE2936104C2 true DE2936104C2 (th) 1988-03-03

Family

ID=6080238

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19792936104 Granted DE2936104A1 (de) 1979-09-07 1979-09-07 Einrichtung zur entfernungsmessung

Country Status (2)

Country Link
JP (1) JPS5646412A (th)
DE (1) DE2936104A1 (th)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4533226A (en) * 1982-03-30 1985-08-06 Robert Bosch Gmbh Still or motion picture camera
JPS59107332A (ja) * 1982-12-13 1984-06-21 Asahi Optical Co Ltd カメラの自動焦点装置
JPS59129809A (ja) * 1983-01-18 1984-07-26 Asahi Optical Co Ltd カメラの自動焦点装置
NL8302228A (nl) * 1983-06-22 1985-01-16 Optische Ind De Oude Delft Nv Meetstelsel voor het onder gebruikmaking van een op driehoeksmeting berustend principe, contactloos meten van een door een oppervlakcontour van een objectvlak gegeven afstand tot een referentieniveau.
US4843416A (en) * 1988-03-02 1989-06-27 W. Haking Enterprises Limited Autofocus camera system

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4525420Y1 (th) * 1966-10-04 1970-10-05
DE2443673A1 (de) * 1974-09-12 1976-03-25 Agfa Gevaert Ag Verfahren und vorrichtung zur automatischen scharfeinstellung des objektives einer kamera
JPS5262022A (en) * 1975-11-17 1977-05-23 Bell & Howell Co Closed loop automatic focusing system

Also Published As

Publication number Publication date
JPS5646412A (en) 1981-04-27
DE2936104A1 (de) 1981-03-26

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Legal Events

Date Code Title Description
8120 Willingness to grant licenses paragraph 23
8110 Request for examination paragraph 44
D2 Grant after examination
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee