SE434780B - Optisk anordning for bestemning av ljusuttredesvinkeln - Google Patents

Optisk anordning for bestemning av ljusuttredesvinkeln

Info

Publication number
SE434780B
SE434780B SE7901692A SE7901692A SE434780B SE 434780 B SE434780 B SE 434780B SE 7901692 A SE7901692 A SE 7901692A SE 7901692 A SE7901692 A SE 7901692A SE 434780 B SE434780 B SE 434780B
Authority
SE
Sweden
Prior art keywords
light
photo
photoreceptors
determining
optical device
Prior art date
Application number
SE7901692A
Other languages
English (en)
Swedish (sv)
Other versions
SE7901692L (sv
Inventor
E Sick
Original Assignee
Sick Optik Elektronik Erwin
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 Sick Optik Elektronik Erwin filed Critical Sick Optik Elektronik Erwin
Publication of SE7901692L publication Critical patent/SE7901692L/
Publication of SE434780B publication Critical patent/SE434780B/sv

Links

Classifications

    • 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
    • G01N21/84—Systems specially adapted for particular applications
    • G01N21/88—Investigating the presence of flaws or contamination
    • G01N21/89—Investigating the presence of flaws or contamination in moving material, e.g. running paper or textiles
    • G01N21/8901—Optical details; Scanning details
    • G01N21/8903—Optical details; Scanning details using a multiple detector array

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Length Measuring Devices By Optical Means (AREA)
  • Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
  • Testing Of Optical Devices Or Fibers (AREA)
SE7901692A 1978-02-27 1979-02-26 Optisk anordning for bestemning av ljusuttredesvinkeln SE434780B (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2808360A DE2808360C3 (de) 1978-02-27 1978-02-27 Optische Vorrichtung zur Bestimmung des Lichtaustrittswinkels

Publications (2)

Publication Number Publication Date
SE7901692L SE7901692L (sv) 1979-08-28
SE434780B true SE434780B (sv) 1984-08-13

Family

ID=6033042

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7901692A SE434780B (sv) 1978-02-27 1979-02-26 Optisk anordning for bestemning av ljusuttredesvinkeln

Country Status (5)

Country Link
US (1) US4227091A (en:Method)
JP (1) JPS54154341A (en:Method)
DE (1) DE2808360C3 (en:Method)
GB (1) GB2015728B (en:Method)
SE (1) SE434780B (en:Method)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3000352C2 (de) * 1980-01-07 1986-07-24 Erwin Sick Gmbh Optik-Elektronik, 7808 Waldkirch Optoelektronisches Überwachungsgerät
JPS6052021A (ja) * 1983-08-31 1985-03-23 Canon Inc 位置検出方法
JPS6275236A (ja) * 1985-09-30 1987-04-07 Toshiba Corp 表面検査装置
DE3703449C2 (de) * 1987-02-05 1998-07-23 Truetzschler Gmbh & Co Kg Vorrichtung zum Ermitteln von Fremdkörpern, wie Metallteilen, Drähten o. dgl. innerhalb von bzw. zwischen Textilfaserflocken
US5493391A (en) * 1994-07-11 1996-02-20 Sandia Corporation One dimensional wavefront distortion sensor comprising a lens array system
US5864381A (en) * 1996-07-10 1999-01-26 Sandia Corporation Automated pupil remapping with binary optics
CN101532879B (zh) * 2009-04-10 2010-10-20 重庆大学 基于菲涅尔波带片的微光谱分析方法及器件
US20170325744A1 (en) * 2016-05-10 2017-11-16 Apple Inc. Systems and methods for increasing localized pressure to improve ppg motion performance
EP3454724B1 (en) 2016-05-10 2023-12-06 Apple Inc. Systems and methods for non-pulsatile blood volume measurements
US10697830B1 (en) 2016-08-31 2020-06-30 Apple Inc. Multicomb light source and spectrometer
EP3688849A1 (en) 2017-09-28 2020-08-05 Apple Inc. Laser architectures using quantum well intermixing techniques
US11552454B1 (en) 2017-09-28 2023-01-10 Apple Inc. Integrated laser source
US11171464B1 (en) 2018-12-14 2021-11-09 Apple Inc. Laser integration techniques
US12204155B2 (en) 2021-09-24 2025-01-21 Apple Inc. Chip-to-chip optical coupling for photonic integrated circuits
US12426139B1 (en) 2022-06-27 2025-09-23 Apple Inc. Feedback control of a diode element

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2272097A (en) * 1940-02-29 1942-02-03 Westinghouse Electric & Mfg Co Lens assembly for straight line scanning
DE1938083B2 (de) * 1969-07-26 1972-05-10 Mahlo Gmbh, 8424 Saal Verfahren zur automatischen fehlerueberwachung flaechenfoermiger werkstuecke mittels einer anzahl parallel nebeneinander angeordneter abtastsysteme
US3756725A (en) * 1970-10-12 1973-09-04 Harris Intertype Corp Measurement and control of ink density
GB1379593A (en) * 1971-05-21 1975-01-02 Agfa Gevaert Device for sensing a moving sheet material for imperfections
DE2157247A1 (de) * 1971-11-18 1973-05-24 Paul Lippke Einrichtung zum elektro-optischen feststellen von loechern in bewegten bahnen aus papier und dgl
JPS5757653B2 (en:Method) * 1974-02-09 1982-12-06 Toppan Printing Co Ltd
GB1526930A (en) * 1974-12-19 1978-10-04 Bfg Glassgroup Process and apparatus for testing glass
DE2533214C3 (de) * 1975-07-25 1980-10-09 Siemens Ag, 1000 Berlin Und 8000 Muenchen Vorrichtung zur Erfassung der Einfallsrichtung elektromagnetischer Strahlung
JPS5248031A (en) * 1975-10-14 1977-04-16 Mitsubishi Electric Corp Control device for in-door wiring connected apparatus

Also Published As

Publication number Publication date
JPS6234097B2 (en:Method) 1987-07-24
JPS54154341A (en) 1979-12-05
GB2015728B (en) 1982-09-02
SE7901692L (sv) 1979-08-28
DE2808360C3 (de) 1981-09-24
DE2808360A1 (de) 1979-08-30
US4227091A (en) 1980-10-07
DE2808360B2 (de) 1980-11-13
GB2015728A (en) 1979-09-12

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