TW264538B - - Google Patents

Info

Publication number
TW264538B
TW264538B TW083112142A TW83112142A TW264538B TW 264538 B TW264538 B TW 264538B TW 083112142 A TW083112142 A TW 083112142A TW 83112142 A TW83112142 A TW 83112142A TW 264538 B TW264538 B TW 264538B
Authority
TW
Taiwan
Prior art keywords
pattern
disk
light
cooperation
constitution
Prior art date
Application number
TW083112142A
Other languages
English (en)
Chinese (zh)
Original Assignee
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 Philips Electronics Nv filed Critical Philips Electronics Nv
Application granted granted Critical
Publication of TW264538B publication Critical patent/TW264538B/zh

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 Radar Systems And Details Thereof (AREA)
  • Optical Transform (AREA)
  • Gyroscopes (AREA)
  • Navigation (AREA)
TW083112142A 1993-09-30 1994-12-24 TW264538B (no)

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 (1)

Publication Number Publication Date
TW264538B true TW264538B (no) 1995-12-01

Family

ID=25662786

Family Applications (1)

Application Number Title Priority Date Filing Date
TW083112142A TW264538B (no) 1993-09-30 1994-12-24

Country Status (7)

Country Link
JP (1) JPH07174771A (no)
KR (1) KR100364334B1 (no)
CN (1) CN1058571C (no)
AT (1) ATE187558T1 (no)
DE (1) DE69421992T2 (no)
HK (1) HK1012711A1 (no)
TW (1) TW264538B (no)

Cited By (1)

* 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

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9573598B2 (en) * 2012-10-05 2017-02-21 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 (en) * 1988-02-22 1993-05-05 Victor Company Of Japan, Limited Detection system with an optical encoder for optically detecting displacement amount of a movable device
BE1007404A3 (nl) * 1993-08-09 1995-06-06 Agfa Gevaert Nv Encoder element.
EP0646796B1 (en) * 1993-09-30 1999-12-08 Koninklijke Philips Electronics N.V. Device for optically measuring the angular velocity of an object.

Cited By (1)

* 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

Also Published As

Publication number Publication date
CN1058571C (zh) 2000-11-15
HK1012711A1 (en) 1999-08-06
DE69421992D1 (de) 2000-01-13
CN1112241A (zh) 1995-11-22
JPH07174771A (ja) 1995-07-14
ATE187558T1 (de) 1999-12-15
KR960014937A (ko) 1996-05-22
DE69421992T2 (de) 2000-06-29
KR100364334B1 (ko) 2003-02-26

Similar Documents

Publication Publication Date Title
EP0281085A3 (en) Proximity sensing apparatus
TW264538B (no)
ATE77143T1 (de) Optischer leistungsmesser.
JPS52152741A (en) Optical displacement detector
JPS57203905A (en) Optical position detector
JPS5644821A (en) Measuring method of optical lens focal distance and measuring system therefor
JPS5328447A (en) Measurement of length of optical fiber and device therefor
EP0311113A3 (en) Device for measuring distance along curve
JPS5633659A (en) Timing signal generating unit for copier
JPS52128163A (en) Line diameter measuring device of optical fiber
JPS5263379A (en) Measurement of space filter speeds using coherent light
JPS5322759A (en) Thickness de tector of plate form objects
JPS52104258A (en) Displacement conversion unit
JPS53138367A (en) Optical distance measuring apparatus
JPS5425763A (en) Perpendicularity detector
JPS52142501A (en) Focal point detection for video disc apparatus
JPS55126805A (en) Measuring instrument for turning angle of rotary axis
JPS5381104A (en) Size detector for recording disk in autoplayer
JPS531459A (en) Observing instruments
JPS5468203A (en) Detecting system of light reflecting face positions
JPS53116110A (en) Optical recorder-reproducer
JPS5315107A (en) Spacing detector of optical recorder/repoducer
SU1563402A3 (ru) Устройство азимутальной ориентации
JPS5327465A (en) Detector for rotational speed
JPS57151833A (en) Polarization detector employing twin crystal