FR2676538B1 - ROTARY OPTICAL ENCODER. - Google Patents

ROTARY OPTICAL ENCODER.

Info

Publication number
FR2676538B1
FR2676538B1 FR9106005A FR9106005A FR2676538B1 FR 2676538 B1 FR2676538 B1 FR 2676538B1 FR 9106005 A FR9106005 A FR 9106005A FR 9106005 A FR9106005 A FR 9106005A FR 2676538 B1 FR2676538 B1 FR 2676538B1
Authority
FR
France
Prior art keywords
optical encoder
rotary optical
rotary
encoder
optical
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 - Fee Related
Application number
FR9106005A
Other languages
French (fr)
Other versions
FR2676538A1 (en
Inventor
Rafoux Philippe
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.)
Telemecanique SA
Original Assignee
La Telemecanique Electrique SA
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 La Telemecanique Electrique SA filed Critical La Telemecanique Electrique SA
Priority to FR9106005A priority Critical patent/FR2676538B1/en
Publication of FR2676538A1 publication Critical patent/FR2676538A1/en
Application granted granted Critical
Publication of FR2676538B1 publication Critical patent/FR2676538B1/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P3/00—Measuring linear or angular speed; Measuring differences of linear or angular speeds
    • G01P3/42—Devices characterised by the use of electric or magnetic means
    • G01P3/44—Devices characterised by the use of electric or magnetic means for measuring angular speed
    • G01P3/48—Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring frequency of generated current or voltage
    • G01P3/481—Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring frequency of generated current or voltage of pulse signals
    • G01P3/486—Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring frequency of generated current or voltage of pulse signals delivered by photo-electric detectors
    • 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
    • G01D5/347—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 using displacement encoding scales
    • G01D5/34707—Scales; Discs, e.g. fixation, fabrication, compensation

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optical Transform (AREA)
FR9106005A 1991-05-17 1991-05-17 ROTARY OPTICAL ENCODER. Expired - Fee Related FR2676538B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR9106005A FR2676538B1 (en) 1991-05-17 1991-05-17 ROTARY OPTICAL ENCODER.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9106005A FR2676538B1 (en) 1991-05-17 1991-05-17 ROTARY OPTICAL ENCODER.

Publications (2)

Publication Number Publication Date
FR2676538A1 FR2676538A1 (en) 1992-11-20
FR2676538B1 true FR2676538B1 (en) 1994-07-01

Family

ID=9412884

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9106005A Expired - Fee Related FR2676538B1 (en) 1991-05-17 1991-05-17 ROTARY OPTICAL ENCODER.

Country Status (1)

Country Link
FR (1) FR2676538B1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4303975A1 (en) * 1993-02-11 1994-08-18 Heidenhain Gmbh Dr Johannes graduation carrier
DE19733048A1 (en) * 1997-07-31 1999-02-04 Bosch Gmbh Robert Optical increment encoder
JP3730232B2 (en) 2003-04-24 2005-12-21 ファナック株式会社 Optical encoder

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3997782A (en) * 1974-09-06 1976-12-14 Dynapar Corporation Rotary pulse transducer having stator sealing means
US4318010A (en) * 1978-01-17 1982-03-02 General Atomic Company Apparatus for producing square shaped pulses from a generally sinusoidally shaped signal
US4965447A (en) * 1988-07-28 1990-10-23 The United States Of America As Represented By The Secretary Of The Army Chopper for staring infrared systems
DE3934339A1 (en) * 1989-10-14 1991-04-25 Heidenhain Gmbh Dr Johannes SCOPE OF PLASTIC WITH A DIVIDING STRUCTURE

Also Published As

Publication number Publication date
FR2676538A1 (en) 1992-11-20

Similar Documents

Publication Publication Date Title
DE59202372D1 (en) OPTICAL DISTANCE SENSOR.
DE69207176D1 (en) Optical sensor
DE69122058D1 (en) Encoder
FI920110A0 (en) ANTIBACTERIAL AEMNEN.
DE68900533D1 (en) OPTICAL POSITION SENSOR.
FI922022A0 (en) KORRUGERAD TUNN METALLFOLIE.
DE69001657D1 (en) OPTICAL ENCODER.
DE69223533D1 (en) Encoder
DE69220923D1 (en) OPTICAL SENSOR
DE59201395D1 (en) Capacitive angle encoder.
DE59008661D1 (en) Resolver.
FR2673731B1 (en) OPTICAL SWITCH.
FR2683962B1 (en) OPTICAL DISTRIBUTOR.
DE69101393D1 (en) Encoder.
DE59204208D1 (en) OPTICAL ROTATIONAL SENSOR.
DE59207540D1 (en) RESOLVER
FR2676833B1 (en) OPTICAL SCANNER.
FI912087A0 (en) OPTICAL FOERSTAERKARE.
FI914579A0 (en) OPTICAL STROEMTRANSFORMATOR.
DE59203524D1 (en) Alkanediol bisacetals.
FI911991A (en) OPTICAL ANORDING.
DE59105928D1 (en) Encoder.
DE69204693D1 (en) Mirror unit.
DE69107390D1 (en) Readhead.
FR2676538B1 (en) ROTARY OPTICAL ENCODER.

Legal Events

Date Code Title Description
ST Notification of lapse

Effective date: 20090119