IN170195B - - Google Patents
Info
- Publication number
- IN170195B IN170195B IN675/MAS/87A IN675MA1987A IN170195B IN 170195 B IN170195 B IN 170195B IN 675MA1987 A IN675MA1987 A IN 675MA1987A IN 170195 B IN170195 B IN 170195B
- Authority
- IN
- India
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
- G01D5/12—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 using electric or magnetic means
- G01D5/243—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 using electric or magnetic means influencing the phase or frequency of ac
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M1/00—Analogue/digital conversion; Digital/analogue conversion
- H03M1/12—Analogue/digital converters
- H03M1/20—Increasing resolution using an n bit system to obtain n + m bits
- H03M1/202—Increasing resolution using an n bit system to obtain n + m bits by interpolation
- H03M1/206—Increasing resolution using an n bit system to obtain n + m bits by interpolation using a logic interpolation circuit
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M1/00—Analogue/digital conversion; Digital/analogue conversion
- H03M1/12—Analogue/digital converters
- H03M1/22—Analogue/digital converters pattern-reading type
- H03M1/24—Analogue/digital converters pattern-reading type using relatively movable reader and disc or strip
- H03M1/28—Analogue/digital converters pattern-reading type using relatively movable reader and disc or strip with non-weighted coding
- H03M1/30—Analogue/digital converters pattern-reading type using relatively movable reader and disc or strip with non-weighted coding incremental
- H03M1/303—Circuits or methods for processing the quadrature signals
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Transmission And Conversion Of Sensor Element Output (AREA)
- Control Of Position Or Direction (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IN308MA1991 IN173229B (ko) | 1986-10-03 | 1991-04-18 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB08623752A GB2195762A (en) | 1986-10-03 | 1986-10-03 | Interpolator |
Publications (1)
Publication Number | Publication Date |
---|---|
IN170195B true IN170195B (ko) | 1992-02-22 |
Family
ID=10605200
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IN675/MAS/87A IN170195B (ko) | 1986-10-03 | 1987-09-17 |
Country Status (9)
Country | Link |
---|---|
US (1) | US4823000A (ko) |
EP (1) | EP0262881B1 (ko) |
JP (1) | JPS6391513A (ko) |
CN (1) | CN87106776A (ko) |
DD (1) | DD269269A5 (ko) |
DE (1) | DE3788329T2 (ko) |
DK (1) | DK482587A (ko) |
GB (1) | GB2195762A (ko) |
IN (1) | IN170195B (ko) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB8820742D0 (en) * | 1988-09-02 | 1988-10-05 | Alcatel Business Systems | Optical encoder |
GB8921338D0 (en) * | 1989-09-21 | 1989-11-08 | Smiths Industries Plc | Optical encoders |
GB8914417D0 (en) * | 1989-06-23 | 1989-08-09 | Rank Taylor Hobson Ltd | Interpolator |
US5107107A (en) * | 1990-03-30 | 1992-04-21 | The United States Of America As Represented By The Administarator Of The National Aeronautics And Space Administration | Laser optical disk position encoder with active heads |
WO1992006539A1 (en) * | 1990-10-02 | 1992-04-16 | Spetsialnoe Konstruktorskoe Bjuro Radioelektronnoi Apparatury Instituta Radiofiziki I Elektroniki Akademii Nauk Armyanskoi Ssr | Method and device for conversion of movements of an object into code |
US5949695A (en) * | 1997-01-10 | 1999-09-07 | Harris Corporation | Interpolator using a plurality of polynomial equations and associated methods |
US10408643B2 (en) * | 2016-08-18 | 2019-09-10 | Texas Instruments Incorporated | Methods and apparatus to increase resolver-to-digital converter accuracy |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3410976A (en) * | 1965-06-09 | 1968-11-12 | Itek Corp | Shaft angle encoder with phase detection |
GB1161561A (en) * | 1965-08-06 | 1969-08-13 | Nat Res Dev | Improvements in or relating to Positional Displacement Transducer Arrangements |
US3798557A (en) * | 1972-03-31 | 1974-03-19 | Perkin Elmer Corp | Interpolation of sinusoidal signals |
JPS5610565A (en) * | 1979-07-04 | 1981-02-03 | Ricoh Co Ltd | Purification of azo pigment |
CA1142345A (en) * | 1979-08-31 | 1983-03-08 | Gerald L. Tumbush | Relatively moving photodiode sensed diffraction grating-type measuring device |
US4346447A (en) * | 1979-12-28 | 1982-08-24 | Nippon Kogaku K.K. | Divisional reading device for sine signals |
US4445110A (en) * | 1980-07-28 | 1984-04-24 | Itek Corporation | Absolute optical encoder system |
DE3412557A1 (de) * | 1984-04-04 | 1985-10-24 | Mauser-Werke Oberndorf Gmbh, 7238 Oberndorf | Laengenmesseinrichtung |
JPS6197520A (ja) * | 1984-10-19 | 1986-05-16 | Mitsutoyo Mfg Co Ltd | 変位検出装置 |
-
1986
- 1986-10-03 GB GB08623752A patent/GB2195762A/en not_active Withdrawn
-
1987
- 1987-09-15 DK DK482587A patent/DK482587A/da unknown
- 1987-09-17 IN IN675/MAS/87A patent/IN170195B/en unknown
- 1987-09-23 US US07/100,020 patent/US4823000A/en not_active Expired - Lifetime
- 1987-09-25 EP EP87308522A patent/EP0262881B1/en not_active Expired - Lifetime
- 1987-09-25 DE DE87308522T patent/DE3788329T2/de not_active Expired - Fee Related
- 1987-09-30 JP JP62249085A patent/JPS6391513A/ja active Pending
- 1987-09-30 DD DD87307382A patent/DD269269A5/de not_active IP Right Cessation
- 1987-10-02 CN CN87106776A patent/CN87106776A/zh active Pending
Also Published As
Publication number | Publication date |
---|---|
JPS6391513A (ja) | 1988-04-22 |
DK482587A (da) | 1988-04-04 |
EP0262881A3 (en) | 1989-12-27 |
DK482587D0 (da) | 1987-09-15 |
GB2195762A (en) | 1988-04-13 |
DD269269A5 (de) | 1989-06-21 |
GB8623752D0 (en) | 1986-11-05 |
CN87106776A (zh) | 1988-04-13 |
EP0262881B1 (en) | 1993-12-01 |
DE3788329T2 (de) | 1994-03-17 |
DE3788329D1 (de) | 1994-01-13 |
US4823000A (en) | 1989-04-18 |
EP0262881A2 (en) | 1988-04-06 |