ATE100580T1 - Kodierscheibe. - Google Patents

Kodierscheibe.

Info

Publication number
ATE100580T1
ATE100580T1 AT90117657T AT90117657T ATE100580T1 AT E100580 T1 ATE100580 T1 AT E100580T1 AT 90117657 T AT90117657 T AT 90117657T AT 90117657 T AT90117657 T AT 90117657T AT E100580 T1 ATE100580 T1 AT E100580T1
Authority
AT
Austria
Prior art keywords
region
circles
disc body
regions
disc
Prior art date
Application number
AT90117657T
Other languages
English (en)
Inventor
Timothy M Malcolm
Garland H Latta Jr
Original Assignee
Aerospace Controls Corp
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 Aerospace Controls Corp filed Critical Aerospace Controls Corp
Application granted granted Critical
Publication of ATE100580T1 publication Critical patent/ATE100580T1/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
    • G01D5/347—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
    • G01D5/34776—Absolute encoders with analogue or digital scales
    • G01D5/34784—Absolute encoders with analogue or digital scales with only analogue scales or both analogue and incremental scales

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optical Transform (AREA)
  • Float Valves (AREA)
  • Magnetic Record Carriers (AREA)
AT90117657T 1989-09-25 1990-09-13 Kodierscheibe. ATE100580T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/411,691 US4977316A (en) 1989-09-25 1989-09-25 Encoder disc having a track formed by two regions of different radii
EP90117657A EP0419956B1 (de) 1989-09-25 1990-09-13 Kodierscheibe

Publications (1)

Publication Number Publication Date
ATE100580T1 true ATE100580T1 (de) 1994-02-15

Family

ID=23629919

Family Applications (1)

Application Number Title Priority Date Filing Date
AT90117657T ATE100580T1 (de) 1989-09-25 1990-09-13 Kodierscheibe.

Country Status (5)

Country Link
US (1) US4977316A (de)
EP (1) EP0419956B1 (de)
JP (1) JPH03131719A (de)
AT (1) ATE100580T1 (de)
DE (1) DE69006152T2 (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5237391A (en) * 1988-11-23 1993-08-17 The Boeing Company Multitrack multilevel sensing system
EP0531947B1 (de) * 1991-09-09 1997-01-02 Kabushiki Kaisha Tokai Rika Denki Seisakusho Positionsdetektionsapparat
US5420413A (en) * 1992-12-31 1995-05-30 United Technologies Corporation Actuator with an optical position sensor using a variable magnetic field
US5329114A (en) * 1992-12-31 1994-07-12 United Technologies Corporation Actuator with an optical position sensor using linear attenuators
US5670780A (en) * 1995-04-14 1997-09-23 Lewis; W. Stan Device providing real-time orientation and direction of an object
GB2347492A (en) * 1999-02-01 2000-09-06 Hohner Automation Ltd Optical encoder with variable phase sinusoidal output
US6963064B2 (en) * 2002-06-14 2005-11-08 Pem Management, Inc. Multi-resolution reflective optical incremental encoder

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3296427A (en) * 1963-01-23 1967-01-03 Ca Nat Research Council Resolver for trigonometric functions
US3462618A (en) * 1966-05-14 1969-08-19 Fujitsu Ltd Waveform generator for generating a family of sinusoidal curves
GB1563200A (en) * 1975-10-16 1980-03-19 Keystone Int Position-detecting systems
US4180931A (en) * 1977-10-11 1980-01-01 Osch John V Display device
US4475169A (en) * 1982-02-01 1984-10-02 Analog Devices, Incorporated High-accuracy sine-function generator
US4631694A (en) * 1984-04-27 1986-12-23 National Semiconductor Corporation Sine wave synthesizer
EP0276402B1 (de) * 1986-12-22 1991-05-22 Siemens Aktiengesellschaft Hochgenauer Winkellagegeber mit fotoelektrisch abtastbaren Spuren

Also Published As

Publication number Publication date
EP0419956B1 (de) 1994-01-19
US4977316A (en) 1990-12-11
EP0419956A3 (en) 1991-06-26
EP0419956A2 (de) 1991-04-03
JPH03131719A (ja) 1991-06-05
DE69006152T2 (de) 1994-06-30
DE69006152D1 (de) 1994-03-03

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