CH506851A - Verfahren zur Erzeugung phasenverschobener elektrischer Signale - Google Patents

Verfahren zur Erzeugung phasenverschobener elektrischer Signale

Info

Publication number
CH506851A
CH506851A CH566170A CH566170A CH506851A CH 506851 A CH506851 A CH 506851A CH 566170 A CH566170 A CH 566170A CH 566170 A CH566170 A CH 566170A CH 506851 A CH506851 A CH 506851A
Authority
CH
Switzerland
Prior art keywords
electrical signals
generating phase
shifted electrical
shifted
generating
Prior art date
Application number
CH566170A
Other languages
English (en)
Inventor
Weyrauch Adolf
Original Assignee
Zeiss Carl Fa
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 Zeiss Carl Fa filed Critical Zeiss Carl Fa
Publication of CH506851A publication Critical patent/CH506851A/de

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
    • G01D5/32—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 with attenuation or whole or partial obturation of beams of light
    • G01D5/34—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 with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells
    • G01D5/36—Forming the light into pulses
    • G01D5/38—Forming the light into pulses by diffraction gratings

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Length Measuring Devices By Optical Means (AREA)
  • Optical Transform (AREA)
  • Facsimile Scanning Arrangements (AREA)
CH566170A 1969-04-26 1970-04-16 Verfahren zur Erzeugung phasenverschobener elektrischer Signale CH506851A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19691921507 DE1921507C2 (de) 1969-04-26 1969-04-26 Einrichtung zur Erzeugung phasenverschobener elektrischer Signale

Publications (1)

Publication Number Publication Date
CH506851A true CH506851A (de) 1971-04-30

Family

ID=5732579

Family Applications (1)

Application Number Title Priority Date Filing Date
CH566170A CH506851A (de) 1969-04-26 1970-04-16 Verfahren zur Erzeugung phasenverschobener elektrischer Signale

Country Status (3)

Country Link
US (1) US3586665A (de)
CH (1) CH506851A (de)
DE (1) DE1921507C2 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0417742A1 (de) * 1989-09-11 1991-03-20 Litton Precision Products International Gmbh Elektrooptische Abtasteinheit für ein Längen- oder Winkelmessgerät

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1353470A (en) * 1970-10-19 1974-05-15 Post D Position measuring apparatus utilizing moire fringe multiplication
USRE29282E (en) * 1972-10-06 1977-06-28 Bausch & Lomb Incorporated Measuring apparatus using the moire fringe concept of measurement
USRE29281E (en) * 1972-10-06 1977-06-28 Bausch & Lomb Incorporated Measuring apparatus using the moire fringe concept of measurement
US3833303A (en) * 1972-10-06 1974-09-03 Bausch & Lomb Measuring apparatus using the moire fringe concept of measurement
US3816002A (en) * 1972-10-10 1974-06-11 H Wieg Apparatus for measuring displacement between two relatively movable members
DE2260602A1 (de) * 1972-12-12 1974-06-20 Leitz Ernst Gmbh Einrichtung zum nachweis von verunreinigungen bei klaren fluessigkeiten
GB1504691A (en) * 1974-03-15 1978-03-22 Nat Res Dev Measurement apparatus
US3917012A (en) * 1974-06-05 1975-11-04 Pitney Bowes Inc High speed weighing scale
FR2274894A1 (fr) * 1974-06-12 1976-01-09 Sopelem Appareil de mesure de faibles ecarts, notamment par refractometrie
DE2527223C2 (de) * 1975-06-19 1985-06-20 Ernst Leitz Wetzlar Gmbh, 6330 Wetzlar Abtastgitter für einen Schärfedetektor
GB1516536A (en) * 1975-08-22 1978-07-05 Ferranti Ltd Measuring apparatus
US4044847A (en) * 1976-01-30 1977-08-30 Pitney-Bowes, Inc. Weighing system with a moire optoelectronic transducer
GB1525049A (en) * 1976-05-08 1978-09-20 Ferranti Ltd Displacement-indicating apparatus
US4441019A (en) * 1982-01-28 1984-04-03 Itek Corporation Wavefront sensor with astigmatic optics
US4725146A (en) * 1983-09-30 1988-02-16 Novon, Inc. Method and apparatus for sensing position
DE3543179A1 (de) * 1985-12-06 1987-06-11 Philips Patentverwaltung Optischer weg-sensor mit einem filter
ATE51445T1 (de) * 1986-02-07 1990-04-15 Saphirwerk Ind Prod Vorrichtung zur inkrementalen laengenmessung.
GB8615196D0 (en) * 1986-06-21 1986-07-23 Renishaw Plc Opto-electronic scale reading apparatus
US4808807A (en) * 1986-12-04 1989-02-28 General Signal Corp. Optical focus sensor system
DE3823314A1 (de) * 1988-07-09 1990-01-11 Heidenhain Gmbh Dr Johannes Lichtelektrische positionsmesseinrichtung
US4908510A (en) * 1988-09-02 1990-03-13 The Boeing Company Optical fiber coupled resolver having a reference signal
US6154278A (en) * 1993-06-10 2000-11-28 Matsushita Electric Industrial Co., Ltd. Optical encoder for optically measuring displacement of moving body
CN105814408B (zh) * 2013-10-01 2018-06-12 瑞尼斯豪公司 编码器设备和编码器读头
EP3347681B1 (de) 2015-09-09 2020-09-02 Renishaw Plc. Codierervorrichtung

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0417742A1 (de) * 1989-09-11 1991-03-20 Litton Precision Products International Gmbh Elektrooptische Abtasteinheit für ein Längen- oder Winkelmessgerät

Also Published As

Publication number Publication date
DE1921507C2 (de) 1971-02-11
US3586665A (en) 1971-06-22
DE1921507B1 (de) 1970-06-25

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Legal Events

Date Code Title Description
PL Patent ceased