DE69021546T2 - Verfahren und Vorrichtung zur Photodetektion. - Google Patents

Verfahren und Vorrichtung zur Photodetektion.

Info

Publication number
DE69021546T2
DE69021546T2 DE69021546T DE69021546T DE69021546T2 DE 69021546 T2 DE69021546 T2 DE 69021546T2 DE 69021546 T DE69021546 T DE 69021546T DE 69021546 T DE69021546 T DE 69021546T DE 69021546 T2 DE69021546 T2 DE 69021546T2
Authority
DE
Germany
Prior art keywords
photodetection
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 - Fee Related
Application number
DE69021546T
Other languages
English (en)
Other versions
DE69021546D1 (de
Inventor
Kazuki Osaragi
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.)
Topcon Corp
Original Assignee
Topcon Corp
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 Topcon Corp filed Critical Topcon Corp
Application granted granted Critical
Publication of DE69021546D1 publication Critical patent/DE69021546D1/de
Publication of DE69021546T2 publication Critical patent/DE69021546T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C15/00—Surveying instruments or accessories not provided for in groups G01C1/00 - G01C13/00
    • G01C15/002—Active optical surveying means
    • G01C15/004—Reference lines, planes or sectors
    • G01C15/006—Detectors therefor
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J1/00—Photometry, e.g. photographic exposure meter
    • G01J1/42—Photometry, e.g. photographic exposure meter using electric radiation detectors
    • G01J1/44—Electric circuits
    • 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
    • G01S5/00—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations
    • G01S5/16—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations using electromagnetic waves other than radio waves
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J1/00—Photometry, e.g. photographic exposure meter
    • G01J1/42—Photometry, e.g. photographic exposure meter using electric radiation detectors
    • G01J1/44—Electric circuits
    • G01J2001/4413—Type
    • G01J2001/4433—Peak sensing
DE69021546T 1989-12-20 1990-12-19 Verfahren und Vorrichtung zur Photodetektion. Expired - Fee Related DE69021546T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP32993889 1989-12-20
JP2046941A JP3015059B2 (ja) 1989-12-20 1990-02-27 光検出方法およびそのための装置

Publications (2)

Publication Number Publication Date
DE69021546D1 DE69021546D1 (de) 1995-09-14
DE69021546T2 true DE69021546T2 (de) 1996-03-07

Family

ID=26387110

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69021546T Expired - Fee Related DE69021546T2 (de) 1989-12-20 1990-12-19 Verfahren und Vorrichtung zur Photodetektion.

Country Status (4)

Country Link
US (1) US5208452A (de)
EP (1) EP0442112B1 (de)
JP (1) JP3015059B2 (de)
DE (1) DE69021546T2 (de)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0529489B1 (de) * 1991-08-20 1996-10-30 Günter Löwe Verfahren und Vorrichtung zur Schussfehlervermessung beim Schiessen auf ein Luftziel mittels einer Feuerwaffe
CA2229458A1 (en) * 1995-08-22 1997-03-06 Vivorx Pharmaceuticals, Inc. Method and apparatus for determining characteristics of a sample in the presence of ambient light
DE19537615B4 (de) * 1995-10-09 2005-02-17 Sick Ag Verfahren zum Betrieb eines optischen Lichttasters
US5977534A (en) * 1997-04-11 1999-11-02 Spectra-Precision, Inc. Laser transmitter incorporating target dither
US6091487A (en) * 1997-09-09 2000-07-18 Spectra Precision, Inc. Laser transmitter incorporating auto scan dither zone
US6606798B2 (en) * 2001-02-23 2003-08-19 Black & Decker Inc. Laser level
DE10123756A1 (de) * 2001-05-16 2002-12-05 Bosch Gmbh Robert Verfahren und Vorrichtung zum Sichtbarmachen einer Laserstrahlposition
KR100557663B1 (ko) * 2002-10-26 2006-03-07 김지언 레이저 통신 장치와 레이저 광선 신호 데이터 처리 방법
DE102006009447B4 (de) * 2006-03-01 2012-01-26 TRAKON Gesellschaft für Tragwerksüberwachung mbH Verfahren zur Diagnostik von Tragwerken in baulichen Anlagen
US11320263B2 (en) 2019-01-25 2022-05-03 Stanley Black & Decker Inc. Laser level system

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4020357A (en) * 1976-01-29 1977-04-26 Metrologic Instruments, Inc. Signal processing for print scanners
US4341956A (en) * 1979-09-24 1982-07-27 Pfizer, Inc. Apparatus and method for compensating the dark current photoelectric transducers
US4388526A (en) * 1981-06-08 1983-06-14 International Business Machines Corporation Measuring apparatus with response adjustment
JPS6137567A (ja) * 1984-07-31 1986-02-22 Nissan Motor Co Ltd ブレ−キ液圧制御装置
US4707689A (en) * 1985-03-25 1987-11-17 AT&T Information Systems Inc. American Telephone & Telegraph Company Adaptive thresholding scheme for optically-based touch screens
JPS6150017A (ja) * 1985-07-08 1986-03-12 Minolta Camera Co Ltd 閃光及び定常光下の被写体に対する測光装置
US4676634A (en) * 1985-08-05 1987-06-30 Spectra-Physics, Inc. Detector device for a rotating light beam
US4840069A (en) * 1986-09-03 1989-06-20 Grumman Aerospace Corporation Electro-optic space positioner with background compensator
US4827119A (en) * 1988-01-28 1989-05-02 Eastman Kodak Company Illuminant discriminator
JP2743493B2 (ja) * 1989-07-10 1998-04-22 株式会社ニコン 受光位置検出装置

Also Published As

Publication number Publication date
EP0442112A3 (en) 1992-04-01
US5208452A (en) 1993-05-04
EP0442112B1 (de) 1995-08-09
EP0442112A2 (de) 1991-08-21
JP3015059B2 (ja) 2000-02-28
JPH03237320A (ja) 1991-10-23
DE69021546D1 (de) 1995-09-14

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee