GB8308467D0 - Optical detection using polarized light - Google Patents

Optical detection using polarized light

Info

Publication number
GB8308467D0
GB8308467D0 GB838308467A GB8308467A GB8308467D0 GB 8308467 D0 GB8308467 D0 GB 8308467D0 GB 838308467 A GB838308467 A GB 838308467A GB 8308467 A GB8308467 A GB 8308467A GB 8308467 D0 GB8308467 D0 GB 8308467D0
Authority
GB
United Kingdom
Prior art keywords
polarized light
optical detection
optical
detection
polarized
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.)
Withdrawn
Application number
GB838308467A
Other versions
GB2120382A (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.)
Xerox Corp
Original Assignee
Xerox 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 Xerox Corp filed Critical Xerox Corp
Publication of GB8308467D0 publication Critical patent/GB8308467D0/en
Publication of GB2120382A publication Critical patent/GB2120382A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G15/00—Apparatus for electrographic processes using a charge pattern
    • G03G15/60—Apparatus which relate to the handling of originals
    • G03G15/607—Apparatus which relate to the handling of originals for detecting size, presence or position of original
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H7/00—Controlling article feeding, separating, pile-advancing, or associated apparatus, to take account of incorrect feeding, absence of articles, or presence of faulty articles
    • B65H7/02—Controlling article feeding, separating, pile-advancing, or associated apparatus, to take account of incorrect feeding, absence of articles, or presence of faulty articles by feelers or detectors
    • B65H7/14—Controlling article feeding, separating, pile-advancing, or associated apparatus, to take account of incorrect feeding, absence of articles, or presence of faulty articles by feelers or detectors by photoelectric feelers or detectors
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/21—Polarisation-affecting properties
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2701/00—Handled material; Storage means
    • B65H2701/10—Handled articles or webs
    • B65H2701/17—Nature of material
    • B65H2701/171—Physical features of handled article or web
    • B65H2701/1712—Transparent

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geophysics (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
GB08308467A 1982-03-29 1983-03-28 Optical detection using polarized light Withdrawn GB2120382A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US36277682A 1982-03-29 1982-03-29

Publications (2)

Publication Number Publication Date
GB8308467D0 true GB8308467D0 (en) 1983-05-05
GB2120382A GB2120382A (en) 1983-11-30

Family

ID=23427487

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08308467A Withdrawn GB2120382A (en) 1982-03-29 1983-03-28 Optical detection using polarized light

Country Status (2)

Country Link
JP (1) JPS58173454A (en)
GB (1) GB2120382A (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60231136A (en) * 1984-05-01 1985-11-16 Kanzaki Paper Mfg Co Ltd Measurement of fiber orientation in paper
JPS6194019A (en) * 1984-10-16 1986-05-12 Sony Corp Transparent material detector
JPH04307312A (en) * 1991-04-03 1992-10-29 Otsuka Denshi Kk Measuring method of thickness of gap of liquid crystal cell
GB2320564B (en) * 1996-12-18 2000-10-11 Xerox Corp Improvements in or relating to transparency sensors
US6900449B2 (en) 2003-01-15 2005-05-31 Lexmark International Inc. Media type sensing method for an imaging apparatus

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB762190A (en) * 1953-11-03 1956-11-28 Ici Ltd Improved spinning process
GB791064A (en) * 1955-07-29 1958-02-19 British Celanese Method and apparatus for examining sheet materials
GB1038402A (en) * 1962-03-12 1966-08-10 Ass Elect Ind Improvements relating to radiation sensitive equipment
JPS49141A (en) * 1972-04-21 1974-01-05
GB1600376A (en) * 1977-04-15 1981-10-14 Ici Ltd Method of and apparatus for continuously measuring the optical retardation of synthetic filaments or film
DE2824583C3 (en) * 1978-06-05 1985-10-03 Erwin Sick Gmbh Optik-Elektronik, 7808 Waldkirch Reflective light barrier for the detection of highly reflective objects within a monitoring path traversed by a bundle of rays

Also Published As

Publication number Publication date
JPS58173454A (en) 1983-10-12
GB2120382A (en) 1983-11-30

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)