CA2003143A1 - Sensor with absolute digital output - Google Patents

Sensor with absolute digital output

Info

Publication number
CA2003143A1
CA2003143A1 CA 2003143 CA2003143A CA2003143A1 CA 2003143 A1 CA2003143 A1 CA 2003143A1 CA 2003143 CA2003143 CA 2003143 CA 2003143 A CA2003143 A CA 2003143A CA 2003143 A1 CA2003143 A1 CA 2003143A1
Authority
CA
Canada
Prior art keywords
sensor
digital output
absolute digital
detectors
absolute
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.)
Granted
Application number
CA 2003143
Other languages
French (fr)
Other versions
CA2003143C (en
Inventor
Robert J. Tolmie, 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.)
Pitney Bowes Inc
Original Assignee
Pitney Bowes Inc
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 Pitney Bowes Inc filed Critical Pitney Bowes Inc
Publication of CA2003143A1 publication Critical patent/CA2003143A1/en
Application granted granted Critical
Publication of CA2003143C publication Critical patent/CA2003143C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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

Abstract

A sensor for determining position or dimensions of an object comprises an array of detectors and an actuating medium of the detectors configured to cause the detectors to output an absolute Gray binary code.
CA 2003143 1988-12-28 1989-11-16 Sensor with absolute digital output Expired - Fee Related CA2003143C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US29109488A 1988-12-28 1988-12-28
US291,094 1994-08-16

Publications (2)

Publication Number Publication Date
CA2003143A1 true CA2003143A1 (en) 1990-06-28
CA2003143C CA2003143C (en) 1998-10-20

Family

ID=23118804

Family Applications (1)

Application Number Title Priority Date Filing Date
CA 2003143 Expired - Fee Related CA2003143C (en) 1988-12-28 1989-11-16 Sensor with absolute digital output

Country Status (2)

Country Link
CA (1) CA2003143C (en)
GB (1) GB2226720B (en)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
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
US5880683A (en) * 1993-07-22 1999-03-09 Bourns, Inc. Absolute digital position encoder
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
EP0635700A1 (en) * 1993-07-22 1995-01-25 Marco Dr. Brandestini Absolute digital position encoder
DE19800774B4 (en) * 1998-01-12 2006-12-21 Siemens Ag Method and magnetic measuring standard for generating a reference signal and production method for such a magnetic material measure
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 (en) * 2007-09-20 2010-03-05 Renault Sas ABSOLUTE POSITION SENSOR WITH READING SERIES
CN101308019B (en) * 2008-07-11 2010-12-08 武汉利德测控技术股份有限公司 Electronic coordinatometer for location checking
EP2189761A1 (en) 2008-11-20 2010-05-26 Carl Freudenberg KG Device to determine the angle position

Family Cites Families (4)

* Cited by examiner, † Cited by third party
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

Also Published As

Publication number Publication date
GB2226720B (en) 1993-04-07
GB2226720A (en) 1990-07-04
GB8926301D0 (en) 1990-01-10
CA2003143C (en) 1998-10-20

Similar Documents

Publication Publication Date Title
AU1159397A (en) An image sensor with high dynamic range linear output
EP0660096A3 (en) Microvacuum sensor with extended sensitivity range.
AU3177193A (en) Thin membrane sensor with biochemical switch
DE3878281T2 (en) SENSOR WITH A MAGNETO-ELECTRICAL TRANSDUCER.
CA2003143A1 (en) Sensor with absolute digital output
EP0612033A3 (en) Signal processing system and learning processing system.
AU577573B2 (en) P.e. smoke sensor sensitivity variation
DE69016346D1 (en) Sensor with self-calibration function.
DE68917242D1 (en) SOLID IMAGE SENSOR.
AU1260395A (en) Medical sensor with amplitude independent output
DE68908337T2 (en) Torque sensor.
CA2102540A1 (en) Encoder with a Light Emitted Editing Wheel
AU608990B2 (en) Thrust bearing with a magnetic sensor
DE69325148D1 (en) Resolution conversion with simulated multi-bit gray
AU3520589A (en) Optical element, optical disc and rotary encoder with the optical element
DE68906839T2 (en) Photoelectric sensor.
DE68907427T2 (en) Pressure sensor arrangement.
DE68911826D1 (en) Torque sensor.
EP0329451A3 (en) Position detector
DE68913938T2 (en) Hydrophone and similar sensor.
DE68917199T2 (en) Alcohol sensor.
DE68905755T2 (en) Torque sensor.
AU611356B2 (en) Dual speed sensor pickup assembly
MA21717A1 (en) IMPROVEMENTS ON SENSORS.
DE69306103D1 (en) ROTATIONAL SENSOR WITH OUTPUT SIGNAL PROCESSOR

Legal Events

Date Code Title Description
EEER Examination request
MKLA Lapsed