DE2454814A1 - Photodensitometer - Google Patents

Photodensitometer

Info

Publication number
DE2454814A1
DE2454814A1 DE19742454814 DE2454814A DE2454814A1 DE 2454814 A1 DE2454814 A1 DE 2454814A1 DE 19742454814 DE19742454814 DE 19742454814 DE 2454814 A DE2454814 A DE 2454814A DE 2454814 A1 DE2454814 A1 DE 2454814A1
Authority
DE
Germany
Prior art keywords
signal
flip
present
photodensitometer
image signal
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Withdrawn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
DE19742454814
Other languages
German (de)
English (en)
Inventor
Toyoichiro Enami
Masaru Hashimoto
Kazuo Kurasawa
Ii Hamamatsu Masataka
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.)
Nissan Motor Co Ltd
Original Assignee
Nissan Motor Co 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 Nissan Motor Co Ltd filed Critical Nissan Motor Co Ltd
Publication of DE2454814A1 publication Critical patent/DE2454814A1/de
Withdrawn legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01BMEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B11/00Measuring arrangements characterised by the use of optical techniques
    • G01B11/16Measuring arrangements characterised by the use of optical techniques for measuring the deformation in a solid, e.g. optical strain gauge

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Length Measuring Devices By Optical Means (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
DE19742454814 1973-11-22 1974-11-19 Photodensitometer Withdrawn DE2454814A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP48130729A JPS5081577A (OSRAM) 1973-11-22 1973-11-22

Publications (1)

Publication Number Publication Date
DE2454814A1 true DE2454814A1 (de) 1975-06-12

Family

ID=15041223

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19742454814 Withdrawn DE2454814A1 (de) 1973-11-22 1974-11-19 Photodensitometer

Country Status (3)

Country Link
US (1) US3967903A (OSRAM)
JP (1) JPS5081577A (OSRAM)
DE (1) DE2454814A1 (OSRAM)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4141038A (en) * 1977-02-14 1979-02-20 Zygo Corporation Apparatus and method for quantifying irregularities in interference patterns
US4169980A (en) * 1977-04-19 1979-10-02 Zygo Corporation Method and apparatus for interference fringe center sensing
US4159522A (en) * 1977-05-12 1979-06-26 Zanoni Carl A Apparatus and method for measuring interference patterns and interferograms
DE3020022A1 (de) 1980-05-24 1981-12-03 Ibm Deutschland Gmbh, 7000 Stuttgart Verfahren und einrichtung zur pruefung optischer abbildungssysteme

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3549870A (en) * 1967-04-07 1970-12-22 Atomic Energy Commission System for computing and continuously displaying increments of movement of an object in useable units of measure
US3527537A (en) * 1968-02-09 1970-09-08 Itek Corp Automatic correlating interferometer
US3644046A (en) * 1969-04-02 1972-02-22 Owens Illinois Inc Method and apparatus for measuring interferometer fringe patterns
US3578980A (en) * 1969-06-18 1971-05-18 Comstock & Wescott Spectral analysis using masks having different combinations of transmitting and non-transmitting portions
JPS4936269B1 (OSRAM) * 1969-09-10 1974-09-28
US3661464A (en) * 1970-03-16 1972-05-09 Jorway Corp Optical interferometer
US3771875A (en) * 1971-11-15 1973-11-13 Perkin Elmer Corp Interferometer having d.c. level compensation

Also Published As

Publication number Publication date
JPS5081577A (OSRAM) 1975-07-02
US3967903A (en) 1976-07-06

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Legal Events

Date Code Title Description
OF Willingness to grant licences before publication of examined application
8141 Disposal/no request for examination