GB2076602B - Control units - Google Patents

Control units

Info

Publication number
GB2076602B
GB2076602B GB8114284A GB8114284A GB2076602B GB 2076602 B GB2076602 B GB 2076602B GB 8114284 A GB8114284 A GB 8114284A GB 8114284 A GB8114284 A GB 8114284A GB 2076602 B GB2076602 B GB 2076602B
Authority
GB
United Kingdom
Prior art keywords
control units
units
control
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
Application number
GB8114284A
Other versions
GB2076602A (en
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.)
Smiths Group PLC
Original Assignee
Smiths Group PLC
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 Smiths Group PLC filed Critical Smiths Group PLC
Priority to GB8114284A priority Critical patent/GB2076602B/en
Publication of GB2076602A publication Critical patent/GB2076602A/en
Application granted granted Critical
Publication of GB2076602B publication Critical patent/GB2076602B/en
Expired legal-status Critical Current

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
    • G01D5/26—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
    • H03M1/24—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
GB8114284A 1980-05-08 1981-05-11 Control units Expired GB2076602B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB8114284A GB2076602B (en) 1980-05-08 1981-05-11 Control units

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB8015230 1980-05-08
GB8114284A GB2076602B (en) 1980-05-08 1981-05-11 Control units

Publications (2)

Publication Number Publication Date
GB2076602A GB2076602A (en) 1981-12-02
GB2076602B true GB2076602B (en) 1983-06-08

Family

ID=26275440

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8114284A Expired GB2076602B (en) 1980-05-08 1981-05-11 Control units

Country Status (1)

Country Link
GB (1) GB2076602B (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4433756A (en) * 1982-03-10 1984-02-28 Westinghouse Electric Corp. Elevator system
GB2125540A (en) * 1982-08-11 1984-03-07 Philips Electronic Associated Manually operable signal generator
GB2212888A (en) * 1987-12-02 1989-08-02 Philips Electronic Associated X-y signal generating device
US5270690A (en) * 1989-05-08 1993-12-14 Harold C. Avila Bidimensional input control system
US5400054A (en) * 1991-07-12 1995-03-21 Dorst; Gary L. Manually operable device for indicating position on a display screen
US5719570A (en) * 1995-10-02 1998-02-17 Digidesign, Inc. Optical encoder based fader design
JP4209279B2 (en) * 2003-08-19 2009-01-14 パイオニア株式会社 Signal conditioner
JP2005064625A (en) 2003-08-19 2005-03-10 Pioneer Electronic Corp Signal adjustment apparatus

Also Published As

Publication number Publication date
GB2076602A (en) 1981-12-02

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19920511