CA2003143C - Capteur a sortie numerique - Google Patents
Capteur a sortie numeriqueInfo
- Publication number
- CA2003143C CA2003143C CA 2003143 CA2003143A CA2003143C CA 2003143 C CA2003143 C CA 2003143C CA 2003143 CA2003143 CA 2003143 CA 2003143 A CA2003143 A CA 2003143A CA 2003143 C CA2003143 C CA 2003143C
- Authority
- CA
- Canada
- Prior art keywords
- detectors
- magnet
- array
- detector
- combination
- 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
Classifications
-
- 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
- H03M1/285—Analogue/digital converters pattern-reading type using relatively movable reader and disc or strip with non-weighted coding of the unit Hamming distance type, e.g. Gray code
-
- 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
- G01D5/244—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 characteristics of pulses or pulse trains; generating pulses or pulse trains
- G01D5/249—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 characteristics of pulses or pulse trains; generating pulses or pulse trains using pulse code
- G01D5/2492—Pulse stream
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Transmission And Conversion Of Sensor Element Output (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US29109488A | 1988-12-28 | 1988-12-28 | |
US291,094 | 1988-12-28 |
Publications (2)
Publication Number | Publication Date |
---|---|
CA2003143A1 CA2003143A1 (fr) | 1990-06-28 |
CA2003143C true CA2003143C (fr) | 1998-10-20 |
Family
ID=23118804
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA 2003143 Expired - Fee Related CA2003143C (fr) | 1988-12-28 | 1989-11-16 | Capteur a sortie numerique |
Country Status (2)
Country | Link |
---|---|
CA (1) | CA2003143C (fr) |
GB (1) | GB2226720B (fr) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5091021A (en) * | 1990-09-28 | 1992-02-25 | General Motors Corporation | Magnetically coded device and method of manufacture |
US5739775A (en) * | 1993-07-22 | 1998-04-14 | Bourns, Inc. | Digital input and control device |
US5519393A (en) * | 1993-07-22 | 1996-05-21 | Bouens, Inc. | Absolute digital position encoder with multiple sensors per track |
US5880683A (en) * | 1993-07-22 | 1999-03-09 | Bourns, Inc. | Absolute digital position encoder |
SG52286A1 (en) * | 1993-07-22 | 2001-01-16 | Bourns Inc | Absolute digital position encoder |
DE19800774B4 (de) * | 1998-01-12 | 2006-12-21 | Siemens Ag | Verfahren und magnetische Maßverkörperung zur Generierung eines Referenzsignals sowie Herstellungsverfahren für eine solche magnetische Maßverkörperung |
US6424928B1 (en) * | 2000-06-15 | 2002-07-23 | Eim Company, Inc. | Absolute position detector interpreting abnormal states |
US6690159B2 (en) | 2000-09-28 | 2004-02-10 | Eldec Corporation | Position indicating system |
FR2921480B1 (fr) * | 2007-09-20 | 2010-03-05 | Renault Sas | Capteur de position absolue a lecture serie |
CN101308019B (zh) * | 2008-07-11 | 2010-12-08 | 武汉利德测控技术股份有限公司 | 一种用于位置检测的电子坐标尺 |
EP2189761A1 (fr) | 2008-11-20 | 2010-05-26 | Carl Freudenberg KG | Dispositif destiné à la détermination de la position d'angle |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3824587A (en) * | 1972-10-25 | 1974-07-16 | Laitram Corp | Dual mode angle encoder |
GB2066602A (en) * | 1979-12-20 | 1981-07-08 | Ferranti Ltd | Absolute position encoder |
GB2096421A (en) * | 1981-04-07 | 1982-10-13 | Secretary Industry Brit | Position transducer for fluid actuated ram |
US4628298A (en) * | 1984-06-22 | 1986-12-09 | Bei Motion Systems Company, Inc. | Chain code encoder |
-
1989
- 1989-11-16 CA CA 2003143 patent/CA2003143C/fr not_active Expired - Fee Related
- 1989-11-21 GB GB8926301A patent/GB2226720B/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
GB8926301D0 (en) | 1990-01-10 |
GB2226720A (en) | 1990-07-04 |
GB2226720B (en) | 1993-04-07 |
CA2003143A1 (fr) | 1990-06-28 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
EEER | Examination request | ||
MKLA | Lapsed |