GB1338367A - Scanning light barrier - Google Patents

Scanning light barrier

Info

Publication number
GB1338367A
GB1338367A GB1515372A GB1515372A GB1338367A GB 1338367 A GB1338367 A GB 1338367A GB 1515372 A GB1515372 A GB 1515372A GB 1515372 A GB1515372 A GB 1515372A GB 1338367 A GB1338367 A GB 1338367A
Authority
GB
United Kingdom
Prior art keywords
photo
detector
beam splitter
light barrier
optical means
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
GB1515372A
Other languages
English (en)
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.)
Erwin Sick GmbH Optik Elektronik
Original Assignee
Erwin Sick GmbH Optik Elektronik
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 Erwin Sick GmbH Optik Elektronik filed Critical Erwin Sick GmbH Optik Elektronik
Publication of GB1338367A publication Critical patent/GB1338367A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V8/00—Prospecting or detecting by optical means
    • G01V8/10—Detecting, e.g. by using light barriers
    • G01V8/12—Detecting, e.g. by using light barriers using one transmitter and one receiver
    • G01V8/18—Detecting, e.g. by using light barriers using one transmitter and one receiver using mechanical scanning systems

Landscapes

  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Geophysics (AREA)
  • Length Measuring Devices By Optical Means (AREA)
  • Laser Beam Printer (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Spectrometry And Color Measurement (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
  • Facsimile Scanning Arrangements (AREA)
GB1515372A 1971-04-10 1972-03-30 Scanning light barrier Expired GB1338367A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19712117500 DE2117500A1 (de) 1971-04-10 1971-04-10 Abtastlichtschranke

Publications (1)

Publication Number Publication Date
GB1338367A true GB1338367A (en) 1973-11-21

Family

ID=5804383

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1515372A Expired GB1338367A (en) 1971-04-10 1972-03-30 Scanning light barrier

Country Status (6)

Country Link
US (1) US3806222A (enExample)
JP (1) JPS56751B1 (enExample)
DE (1) DE2117500A1 (enExample)
FR (1) FR2132887B1 (enExample)
GB (1) GB1338367A (enExample)
IT (1) IT951213B (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4727593A (en) * 1981-03-25 1988-02-23 Pinchas Goldstein Passive line-of-sight optical switching apparatus

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2306185A1 (de) * 1973-02-08 1974-08-15 Agfa Gevaert Ag Verfahren und vorrichtung zur kompensation des pyramidenfehlers eines spiegelrades
FR2241767B1 (enExample) * 1973-04-06 1976-04-02 Onera (Off Nat Aerospatiale)
US3970359A (en) * 1975-02-03 1976-07-20 Xerox Corporation Flying spot flat field scanner
EP0045979A3 (en) * 1980-08-06 1982-03-10 Erwin Sick GmbH Optik-Elektronik Retroreflectors, especially for beam scanning applications and beam scanning apparatus incorporating such retroreflectors
US4523093A (en) * 1981-09-03 1985-06-11 Excellon Industries Scanning beam reference and read system
US4538181A (en) * 1983-02-28 1985-08-27 Kollmorgen Technologies Optical scanner
US5815329A (en) * 1996-09-13 1998-09-29 Umax Data Systems, Inc. Tri-mirror multi-reflection optical path folding apparatus
US20090000336A1 (en) * 2005-11-30 2009-01-01 Gerresheimer Essen Gmbh Inner Treatment Method and Device for the Inner Treatment of Glass Containers

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2944463A (en) * 1955-01-14 1960-07-12 Zeiss Carl Illuminating device particularly for objects in microscopes
US3226557A (en) * 1963-01-18 1965-12-28 Robert M Goodman Photosensitive scanner for detecting radiation from any azimuthal angle
US3449945A (en) * 1967-04-24 1969-06-17 Bausch & Lomb Optical scanning systems for photoelectric tonometers
US3456997A (en) * 1967-07-20 1969-07-22 Sylvania Electric Prod Apparatus for eliminating image distortions
FR2037444A5 (enExample) * 1969-02-28 1970-12-31 Nat Res Dev

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4727593A (en) * 1981-03-25 1988-02-23 Pinchas Goldstein Passive line-of-sight optical switching apparatus

Also Published As

Publication number Publication date
US3806222A (en) 1974-04-23
FR2132887B1 (enExample) 1978-05-12
FR2132887A1 (enExample) 1972-11-24
JPS56751B1 (enExample) 1981-01-09
DE2117500A1 (de) 1972-10-19
IT951213B (it) 1973-06-30

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee