JPS6225962B2 - - Google Patents

Info

Publication number
JPS6225962B2
JPS6225962B2 JP53098094A JP9809478A JPS6225962B2 JP S6225962 B2 JPS6225962 B2 JP S6225962B2 JP 53098094 A JP53098094 A JP 53098094A JP 9809478 A JP9809478 A JP 9809478A JP S6225962 B2 JPS6225962 B2 JP S6225962B2
Authority
JP
Japan
Prior art keywords
grating structure
signal
phase
output
detection system
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
JP53098094A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5431775A (en
Inventor
Haitoman Kunuuto
Shunaidaa Etsukaruto
Ryutsusemu Heriberuto
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.)
Ernst Leitz Wetzlar GmbH
Original Assignee
Ernst Leitz Wetzlar GmbH
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 Ernst Leitz Wetzlar GmbH filed Critical Ernst Leitz Wetzlar GmbH
Publication of JPS5431775A publication Critical patent/JPS5431775A/ja
Publication of JPS6225962B2 publication Critical patent/JPS6225962B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
    • G01D5/26—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
    • G01D5/12—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means
    • G01D5/243—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the phase or frequency of AC

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optical Transform (AREA)
  • Length Measuring Devices By Optical Means (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
  • Transmission And Conversion Of Sensor Element Output (AREA)
  • Optical Communication System (AREA)
JP9809478A 1977-08-13 1978-08-11 Method of generating control signal that phase mutually shift for forward and backing calculator and its device Granted JPS5431775A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2736583A DE2736583C2 (de) 1977-08-13 1977-08-13 Verfahren und Einrichtungen zur Gewinnung von gegeneinander phasenverschobenen Steuersignalen für einen Vor-Rückwärtszähler

Publications (2)

Publication Number Publication Date
JPS5431775A JPS5431775A (en) 1979-03-08
JPS6225962B2 true JPS6225962B2 (en, 2012) 1987-06-05

Family

ID=6016331

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9809478A Granted JPS5431775A (en) 1977-08-13 1978-08-11 Method of generating control signal that phase mutually shift for forward and backing calculator and its device

Country Status (7)

Country Link
US (1) US4226535A (en, 2012)
JP (1) JPS5431775A (en, 2012)
AT (1) AT383686B (en, 2012)
CH (1) CH639778A5 (en, 2012)
DE (1) DE2736583C2 (en, 2012)
FR (1) FR2400206A1 (en, 2012)
GB (1) GB2002510B (en, 2012)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4244652A (en) * 1978-11-06 1981-01-13 The United States Of America As Represented By The Secretary Of The Army Ferroelectric length measuring and moving target transducer with memory
US4397559A (en) * 1981-02-19 1983-08-09 University Of Pittsburgh Apparatus for processing electromagnetic radiation and method
DE4009737A1 (de) * 1990-03-26 1991-10-02 Brand Bernhard Dipl Ing Fh Verfahren und messaufnehmer zum beruehrungslosen erfassen von bewegungen und/oder geschwindigkeiten eines messobjektes
GB9114206D0 (en) * 1991-06-29 1991-08-21 Lucas Ind Plc Displacement sensor
US5757497A (en) * 1996-10-29 1998-05-26 Control Devices, Inc. Twin beam displacement transducer
DE19852665A1 (de) 1998-11-16 2000-05-25 Corrsys Korrelatorsysteme Gmbh Verfahren zur Erzeugung eines trägerfrequenz-modulierten Signals
RU2190197C1 (ru) * 2001-12-17 2002-09-27 Атнашев Виталий Борисович Способ спектрометрии и устройство для его осуществления (варианты)
US20060098242A1 (en) * 2004-11-03 2006-05-11 Shih-Yen Chang Image processing system and related method for scanning and generating an image
JP5152613B2 (ja) * 2006-04-12 2013-02-27 株式会社ニコン エンコーダ
JP4924884B2 (ja) * 2006-05-19 2012-04-25 株式会社ニコン エンコーダ
DE102009054459A1 (de) * 2009-12-10 2011-06-16 Zf Friedrichshafen Ag Formschlüssige Schalteinrichtung, insbesondere Klauenschalteinrichtung
DE102011002447B4 (de) * 2011-01-04 2014-07-10 Ident Technology Ag Kapazitiver Annäherungsensor sowie Verfahren zur kapazitiven Annäherungsdetektion

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1498137C3 (de) * 1965-04-13 1974-07-18 Ernst Leitz Gmbh, 6330 Wetzlar Verfahren und Anordnung zum Interpolieren
US3561870A (en) * 1967-12-18 1971-02-09 Itek Corp Image motion detection system
DE2144487C3 (de) * 1971-09-06 1974-04-18 Ernst Leitz Gmbh, 6330 Wetzlar Einrichtung zur berührungslosen Messung
CH548605A (de) * 1971-09-06 1974-04-30 Leitz Ernst Gmbh Einrichtung zur beruehrungslosen messung der relativen geschwindigkeit, lage, entfernung oder verschiebestrecke von objekten.
US3989378A (en) * 1971-09-06 1976-11-02 Knut Heitmann Method for no-contact measurement
US3902036A (en) * 1974-05-02 1975-08-26 Western Electric Co Control system using multiplexed laser beams

Also Published As

Publication number Publication date
DE2736583C2 (de) 1985-11-07
AT383686B (de) 1987-08-10
CH639778A5 (de) 1983-11-30
JPS5431775A (en) 1979-03-08
GB2002510A (en) 1979-02-21
FR2400206A1 (fr) 1979-03-09
US4226535A (en) 1980-10-07
DE2736583A1 (de) 1979-02-22
FR2400206B1 (en, 2012) 1984-04-13
ATA547578A (de) 1986-12-15
GB2002510B (en) 1982-02-10

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