DE69421992D1 - Vorrichtung zur optischen Messung der Drehgeschwindigkeit eines Objekts - Google Patents

Vorrichtung zur optischen Messung der Drehgeschwindigkeit eines Objekts

Info

Publication number
DE69421992D1
DE69421992D1 DE69421992T DE69421992T DE69421992D1 DE 69421992 D1 DE69421992 D1 DE 69421992D1 DE 69421992 T DE69421992 T DE 69421992T DE 69421992 T DE69421992 T DE 69421992T DE 69421992 D1 DE69421992 D1 DE 69421992D1
Authority
DE
Germany
Prior art keywords
pattern
optically measuring
rotation
speed
disk
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
DE69421992T
Other languages
English (en)
Other versions
DE69421992T2 (de
Inventor
Everardus Theodorus Gerar Turk
Engelen Gerard Van
Der Linde Jannis Pieter Van
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.)
Koninklijke Philips NV
Original Assignee
Koninklijke Philips Electronics NV
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
Priority claimed from BE9301026A external-priority patent/BE1007606A3/nl
Application filed by Koninklijke Philips Electronics NV filed Critical Koninklijke Philips Electronics NV
Application granted granted Critical
Publication of DE69421992D1 publication Critical patent/DE69421992D1/de
Publication of DE69421992T2 publication Critical patent/DE69421992T2/de
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
    • 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
    • G01P3/489—Digital circuits therefor

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Length Measuring Devices By Optical Means (AREA)
  • Optical Transform (AREA)
  • Optical Radar Systems And Details Thereof (AREA)
  • Gyroscopes (AREA)
  • Navigation (AREA)
DE69421992T 1993-09-30 1994-09-26 Vorrichtung zur optischen Messung der Drehgeschwindigkeit eines Objekts Expired - Fee Related DE69421992T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
BE9301026A BE1007606A3 (nl) 1993-09-30 1993-09-30 Inrichting voor het langs optische weg meten van de hoeksnelheid van een voorwerp.
EP94201618 1994-06-07

Publications (2)

Publication Number Publication Date
DE69421992D1 true DE69421992D1 (de) 2000-01-13
DE69421992T2 DE69421992T2 (de) 2000-06-29

Family

ID=25662786

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69421992T Expired - Fee Related DE69421992T2 (de) 1993-09-30 1994-09-26 Vorrichtung zur optischen Messung der Drehgeschwindigkeit eines Objekts

Country Status (7)

Country Link
JP (1) JPH07174771A (de)
KR (1) KR100364334B1 (de)
CN (1) CN1058571C (de)
AT (1) ATE187558T1 (de)
DE (1) DE69421992T2 (de)
HK (1) HK1012711A1 (de)
TW (1) TW264538B (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8031454B2 (en) * 2007-02-01 2011-10-04 Sony Corporation Electronic system with dynamic thermal management
WO2014053928A1 (en) * 2012-10-05 2014-04-10 Koninklijke Philips N.V. Detection system using photo-sensors
CN108777578B (zh) * 2018-06-29 2021-04-20 东莞市李群自动化技术有限公司 一种编码器信号采样方法及装置
CN109387656B (zh) * 2018-11-01 2021-01-26 京东方科技集团股份有限公司 一种转速传感器及其制作方法、驱动方法、电子设备

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3912926A (en) * 1974-10-18 1975-10-14 Los Angeles Scient Instr Opto-electronic incremental encoder
EP0330150B1 (de) * 1988-02-22 1993-05-05 Victor Company Of Japan, Limited Detektorsystem mit einem optischen rotierenden Kodierer zur Feststellung der Verschiebung einer beweglichen Vorrichtung
BE1007404A3 (nl) * 1993-08-09 1995-06-06 Agfa Gevaert Nv Encoder element.
EP0646796B1 (de) * 1993-09-30 1999-12-08 Koninklijke Philips Electronics N.V. Vorrichtung zur optischen Messung der Drehgeschwindigkeit eines Objekts

Also Published As

Publication number Publication date
TW264538B (de) 1995-12-01
DE69421992T2 (de) 2000-06-29
ATE187558T1 (de) 1999-12-15
KR100364334B1 (ko) 2003-02-26
JPH07174771A (ja) 1995-07-14
CN1058571C (zh) 2000-11-15
KR960014937A (ko) 1996-05-22
CN1112241A (zh) 1995-11-22
HK1012711A1 (en) 1999-08-06

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8320 Willingness to grant licences declared (paragraph 23)
8339 Ceased/non-payment of the annual fee