DE69006152T2 - Kodierscheibe. - Google Patents
Kodierscheibe.Info
- Publication number
- DE69006152T2 DE69006152T2 DE69006152T DE69006152T DE69006152T2 DE 69006152 T2 DE69006152 T2 DE 69006152T2 DE 69006152 T DE69006152 T DE 69006152T DE 69006152 T DE69006152 T DE 69006152T DE 69006152 T2 DE69006152 T2 DE 69006152T2
- 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
Links
- 230000005540 biological transmission Effects 0.000 abstract 1
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)
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 DE69006152D1 (de) | 1994-03-03 |
DE69006152T2 true 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)
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 |
US5329114A (en) * | 1992-12-31 | 1994-07-12 | United Technologies Corporation | Actuator with an optical position sensor using linear attenuators |
US5420413A (en) * | 1992-12-31 | 1995-05-30 | United Technologies Corporation | Actuator with an optical position sensor using a variable magnetic field |
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)
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 |
EP0276402B1 (de) * | 1986-12-22 | 1991-05-22 | Siemens Aktiengesellschaft | Hochgenauer Winkellagegeber mit fotoelektrisch abtastbaren Spuren |
-
1989
- 1989-09-25 US US07/411,691 patent/US4977316A/en not_active Expired - Fee Related
-
1990
- 1990-09-13 EP EP90117657A patent/EP0419956B1/de not_active Expired - Lifetime
- 1990-09-13 AT AT90117657T patent/ATE100580T1/de active
- 1990-09-13 DE DE69006152T patent/DE69006152T2/de not_active Expired - Fee Related
- 1990-09-19 JP JP2247679A patent/JPH03131719A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
JPH03131719A (ja) | 1991-06-05 |
EP0419956A3 (en) | 1991-06-26 |
ATE100580T1 (de) | 1994-02-15 |
EP0419956B1 (de) | 1994-01-19 |
DE69006152D1 (de) | 1994-03-03 |
US4977316A (en) | 1990-12-11 |
EP0419956A2 (de) | 1991-04-03 |
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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 |