GB1038402A - Improvements relating to radiation sensitive equipment - Google Patents

Improvements relating to radiation sensitive equipment

Info

Publication number
GB1038402A
GB1038402A GB943562A GB943562A GB1038402A GB 1038402 A GB1038402 A GB 1038402A GB 943562 A GB943562 A GB 943562A GB 943562 A GB943562 A GB 943562A GB 1038402 A GB1038402 A GB 1038402A
Authority
GB
United Kingdom
Prior art keywords
radiation sensitive
improvements relating
sensitive equipment
equipment
relating
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
GB943562A
Inventor
Robert Trevor Craxton
Ivan Brynley Hurcum
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.)
Associated Electrical Industries Ltd
Original Assignee
Associated Electrical Industries Ltd
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 Associated Electrical Industries Ltd filed Critical Associated Electrical Industries Ltd
Priority to GB943562A priority Critical patent/GB1038402A/en
Publication of GB1038402A publication Critical patent/GB1038402A/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
    • G01V8/14—Detecting, e.g. by using light barriers using one transmitter and one receiver using reflectors

Landscapes

  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Geophysics (AREA)
GB943562A 1962-03-12 1962-03-12 Improvements relating to radiation sensitive equipment Expired GB1038402A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB943562A GB1038402A (en) 1962-03-12 1962-03-12 Improvements relating to radiation sensitive equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB943562A GB1038402A (en) 1962-03-12 1962-03-12 Improvements relating to radiation sensitive equipment

Publications (1)

Publication Number Publication Date
GB1038402A true GB1038402A (en) 1966-08-10

Family

ID=9871927

Family Applications (1)

Application Number Title Priority Date Filing Date
GB943562A Expired GB1038402A (en) 1962-03-12 1962-03-12 Improvements relating to radiation sensitive equipment

Country Status (1)

Country Link
GB (1) GB1038402A (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2442457A1 (en) * 1978-11-27 1980-06-20 Optel Detection of objects passing through light beam - uses two beams of different wavelengths to eliminate erroneous reflections and has optical filter on reflector support cap
US4333008A (en) * 1975-04-21 1982-06-01 Sanders Associates, Inc. Polarization coded doublet laser detection system
EP0075045A1 (en) * 1981-09-19 1983-03-30 Elesta Ag Elektronik Light barrier apparatus
GB2120382A (en) * 1982-03-29 1983-11-30 Xerox Corp Optical detection using polarized light
EP0005852B1 (en) * 1978-06-05 1984-09-26 Erwin Sick GmbH Optik-Elektronik Reflection light barrier apparatus capable of recognizing strongly reflecting objects
US5118191A (en) * 1990-05-29 1992-06-02 The United States Of America As Represented By The Secretary Of The Air Force High contrast switchable target discriminator

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4333008A (en) * 1975-04-21 1982-06-01 Sanders Associates, Inc. Polarization coded doublet laser detection system
EP0005852B1 (en) * 1978-06-05 1984-09-26 Erwin Sick GmbH Optik-Elektronik Reflection light barrier apparatus capable of recognizing strongly reflecting objects
FR2442457A1 (en) * 1978-11-27 1980-06-20 Optel Detection of objects passing through light beam - uses two beams of different wavelengths to eliminate erroneous reflections and has optical filter on reflector support cap
EP0075045A1 (en) * 1981-09-19 1983-03-30 Elesta Ag Elektronik Light barrier apparatus
GB2120382A (en) * 1982-03-29 1983-11-30 Xerox Corp Optical detection using polarized light
US5118191A (en) * 1990-05-29 1992-06-02 The United States Of America As Represented By The Secretary Of The Air Force High contrast switchable target discriminator

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