DE69006152D1 - Kodierscheibe. - Google Patents

Kodierscheibe.

Info

Publication number
DE69006152D1
DE69006152D1 DE90117657T DE69006152T DE69006152D1 DE 69006152 D1 DE69006152 D1 DE 69006152D1 DE 90117657 T DE90117657 T DE 90117657T DE 69006152 T DE69006152 T DE 69006152T DE 69006152 D1 DE69006152 D1 DE 69006152D1
Authority
DE
Germany
Prior art keywords
region
circles
disc body
regions
offset
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
DE90117657T
Other languages
English (en)
Other versions
DE69006152T2 (de
Inventor
Timothy M Malcolm
Garland H Latta Jr
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.)
Aerospace Controls Corp
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
Publication of DE69006152D1 publication Critical patent/DE69006152D1/de
Application granted granted Critical
Publication of DE69006152T2 publication Critical patent/DE69006152T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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)
DE69006152T 1989-09-25 1990-09-13 Kodierscheibe. Expired - Fee Related DE69006152T2 (de)

Applications Claiming Priority (1)

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

Publications (2)

Publication Number Publication Date
DE69006152D1 true DE69006152D1 (de) 1994-03-03
DE69006152T2 DE69006152T2 (de) 1994-06-30

Family

ID=23629919

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69006152T Expired - Fee Related DE69006152T2 (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
DE69216327T2 (de) * 1991-09-09 1997-04-24 Tokai Rika Co Ltd 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 (10)

* 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
JPS59226822A (ja) * 1983-06-07 1984-12-20 Matsushita Electric Works Ltd ロ−タリエンコ−ダ
JPS608714A (ja) * 1983-06-29 1985-01-17 Tamagawa Seiki Kk 絶対位置検出形光学式シヤフトエンコ−ダ
US4631694A (en) * 1984-04-27 1986-12-23 National Semiconductor Corporation Sine wave synthesizer
JPS61237013A (ja) * 1985-04-15 1986-10-22 Toshiba Corp 光学式回転位置検出器
ES2022272B3 (es) * 1986-12-22 1991-12-01 Siemens Ag Indicador de posicion de angulo de gran exactitud con trazas palpables de forma fotoelectrica

Also Published As

Publication number Publication date
EP0419956A3 (en) 1991-06-26
ATE100580T1 (de) 1994-02-15
JPH03131719A (ja) 1991-06-05
EP0419956A2 (de) 1991-04-03
EP0419956B1 (de) 1994-01-19
DE69006152T2 (de) 1994-06-30
US4977316A (en) 1990-12-11

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee