SE379436B - - Google Patents
Info
- Publication number
- SE379436B SE379436B SE7100125A SE12571A SE379436B SE 379436 B SE379436 B SE 379436B SE 7100125 A SE7100125 A SE 7100125A SE 12571 A SE12571 A SE 12571A SE 379436 B SE379436 B SE 379436B
- Authority
- SE
- Sweden
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
- H03M1/30—Analogue/digital converters pattern-reading type using relatively movable reader and disc or strip with non-weighted coding incremental
- H03M1/308—Analogue/digital converters pattern-reading type using relatively movable reader and disc or strip with non-weighted coding incremental with additional pattern means for determining the absolute position, e.g. reference marks
-
- 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
- G01D5/34792—Absolute encoders with analogue or digital scales with only digital scales or both digital and incremental scales
-
- 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
- H03M1/32—Analogue/digital converters pattern-reading type using cathode-ray tubes or analoguous two-dimensional deflection systems
-
- 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
- H03M1/60—Analogue/digital converters with intermediate conversion to frequency of pulses
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Optical Transform (AREA)
- Transmission And Conversion Of Sensor Element Output (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB902/70A GB1284641A (en) | 1970-01-08 | 1970-01-08 | Improvements relating to measuring apparatus |
Publications (1)
Publication Number | Publication Date |
---|---|
SE379436B true SE379436B (xx) | 1975-10-06 |
Family
ID=9712494
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE7100125A SE379436B (xx) | 1970-01-08 | 1971-01-07 |
Country Status (5)
Country | Link |
---|---|
US (1) | US3702471A (xx) |
CA (1) | CA961568A (xx) |
GB (1) | GB1284641A (xx) |
SE (1) | SE379436B (xx) |
ZA (1) | ZA708684B (xx) |
Families Citing this family (25)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CS160721B1 (xx) * | 1973-05-29 | 1975-05-04 | ||
JPS5294995A (en) * | 1976-02-06 | 1977-08-10 | Toshiba Corp | Numerical control system |
US4194184A (en) * | 1976-04-30 | 1980-03-18 | Rca Corporation | Bidirectional digital position encoder |
IT1111425B (it) * | 1977-05-18 | 1986-01-13 | Conte Alberto | Trasduttore assoluto di precisione per misure di posizioni lineari od angolari |
GB2121252A (en) * | 1982-05-18 | 1983-12-14 | Marconi Co Ltd | Apparatus for indicating the position of a member |
EP0116636B1 (en) * | 1982-09-01 | 1988-08-10 | Rosemount Limited | Position measuring apparatus |
GB2126444B (en) * | 1982-09-01 | 1986-03-19 | Rosemount Eng Co Ltd | Position measuring apparatus |
DE3340866A1 (de) * | 1983-03-26 | 1985-05-23 | Dr. Johannes Heidenhain Gmbh, 8225 Traunreut | Wegmesseinrichtung |
DE3311204A1 (de) * | 1983-03-26 | 1984-10-04 | Dr. Johannes Heidenhain Gmbh, 8225 Traunreut | Inkrementale laengen- oder winkelmesseinrichtung |
DE3412063A1 (de) * | 1984-03-31 | 1985-11-28 | Dr. Johannes Heidenhain Gmbh, 8225 Traunreut | Positionsmesseinrichtung |
US4628298A (en) * | 1984-06-22 | 1986-12-09 | Bei Motion Systems Company, Inc. | Chain code encoder |
GB8423086D0 (en) * | 1984-09-12 | 1984-10-17 | March A A C | Position sensor |
US4736187A (en) * | 1986-12-04 | 1988-04-05 | The Regents Of The University Of California | Encoder for measuring both incremental and absolute positions of moving elements |
DE3910873A1 (de) * | 1989-04-04 | 1990-10-18 | Stahl R Foerdertech Gmbh | Positionsmessvorrichtung fuer kran- und elektrohaengebahnen |
GB8911809D0 (en) * | 1989-05-23 | 1989-07-12 | Smith Ind Plc | Position transducers |
DE19541768A1 (de) * | 1995-11-09 | 1997-05-22 | Itt Ind Gmbh Deutsche | Vorrichtung zur Positionsbestimmung |
US5698851A (en) * | 1996-04-03 | 1997-12-16 | Placa Ltd. | Device and method for precise angular measurement by mapping small rotations into large phase shifts |
GB9807020D0 (en) | 1998-04-02 | 1998-06-03 | Bamford Excavators Ltd | A method of marking a mechanical element, an encoding scheme, a reading means for said marking and an apparatus for determining the position of said element |
US6127948A (en) * | 1998-06-17 | 2000-10-03 | Gurley Precision Instruments, Inc. | Bidirectional synthesis of pseudorandom sequences for arbitrary encoding resolutions |
US6327791B1 (en) | 1999-06-09 | 2001-12-11 | The Government Of The United States As Represented By The Secretary Of Commerce | Chain code position detector |
CA2319898C (en) | 2000-09-18 | 2006-05-16 | Institut National D'optique | Position encoding optical device and method |
DE10111630A1 (de) * | 2001-03-09 | 2002-11-07 | Heidenhain Gmbh Dr Johannes | Verfahren zum Betrieb einer Positionsmesseinrichtung und hierzu geeignete Positionsmesseinrichtung |
DE10209058B4 (de) * | 2002-03-01 | 2015-02-12 | Cameron Gmbh | Verfahren und Bitmuster zur Bestimmung einer kinematischen Messgröße |
GB2485416A (en) * | 2010-11-15 | 2012-05-16 | James Marcus Norris | Garment handling apparatus and method |
CN102735324B (zh) * | 2012-05-21 | 2014-07-30 | 山西大学 | 激光单缝-单光栅测量物体微振动振幅的装置 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3461449A (en) * | 1965-05-25 | 1969-08-12 | Ibm | Wheel positioning mechanism using a closed coding ring |
FR1445739A (fr) * | 1965-06-04 | 1966-07-15 | Alcatel Sa | Procédé de codage numérique et ses applications |
-
1970
- 1970-01-08 GB GB902/70A patent/GB1284641A/en not_active Expired
- 1970-12-28 ZA ZA708684A patent/ZA708684B/xx unknown
-
1971
- 1971-01-05 US US104095A patent/US3702471A/en not_active Expired - Lifetime
- 1971-01-05 CA CA101,973A patent/CA961568A/en not_active Expired
- 1971-01-07 SE SE7100125A patent/SE379436B/xx unknown
Also Published As
Publication number | Publication date |
---|---|
GB1284641A (en) | 1972-08-09 |
CA961568A (en) | 1975-01-21 |
US3702471A (en) | 1972-11-07 |
ZA708684B (en) | 1971-09-29 |