CA1010968A - Electrographic sensor for determining planar coordinates - Google Patents

Electrographic sensor for determining planar coordinates

Info

Publication number
CA1010968A
CA1010968A CA168,806A CA168806A CA1010968A CA 1010968 A CA1010968 A CA 1010968A CA 168806 A CA168806 A CA 168806A CA 1010968 A CA1010968 A CA 1010968A
Authority
CA
Canada
Prior art keywords
planar coordinates
electrographic sensor
determining planar
determining
electrographic
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
CA168,806A
Other versions
CA168806S (en
Inventor
George S. Hurst
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.)
Elographics Inc
Original Assignee
Elographics 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 Elographics Inc filed Critical Elographics Inc
Application granted granted Critical
Publication of CA1010968A publication Critical patent/CA1010968A/en
Expired legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/041Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
    • G06F3/045Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means using resistive elements, e.g. a single continuous surface or two parallel surfaces put in contact
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01BMEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B7/00Measuring arrangements characterised by the use of electric or magnetic techniques
    • G01B7/004Measuring arrangements characterised by the use of electric or magnetic techniques for measuring coordinates of points
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01LMEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L1/00Measuring force or stress, in general
    • G01L1/20Measuring force or stress, in general by measuring variations in ohmic resistance of solid materials or of electrically-conductive fluids; by making use of electrokinetic cells, i.e. liquid-containing cells wherein an electrical potential is produced or varied upon the application of stress
    • G01L1/205Measuring force or stress, in general by measuring variations in ohmic resistance of solid materials or of electrically-conductive fluids; by making use of electrokinetic cells, i.e. liquid-containing cells wherein an electrical potential is produced or varied upon the application of stress using distributed sensing elements
CA168,806A 1972-04-17 1973-04-16 Electrographic sensor for determining planar coordinates Expired CA1010968A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US24462972A 1972-04-17 1972-04-17

Publications (1)

Publication Number Publication Date
CA1010968A true CA1010968A (en) 1977-05-24

Family

ID=22923513

Family Applications (1)

Application Number Title Priority Date Filing Date
CA168,806A Expired CA1010968A (en) 1972-04-17 1973-04-16 Electrographic sensor for determining planar coordinates

Country Status (9)

Country Link
US (1) US3798370A (en)
JP (1) JPS4918065A (en)
BE (1) BE798354A (en)
CA (1) CA1010968A (en)
DE (1) DE2319460A1 (en)
FR (1) FR2181350A5 (en)
GB (1) GB1362166A (en)
IT (1) IT984303B (en)
NL (1) NL7305370A (en)

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Also Published As

Publication number Publication date
NL7305370A (en) 1973-10-19
GB1362166A (en) 1974-07-30
FR2181350A5 (en) 1973-11-30
IT984303B (en) 1974-11-20
US3798370A (en) 1974-03-19
JPS4918065A (en) 1974-02-18
DE2319460A1 (en) 1973-10-25
BE798354A (en) 1973-08-16

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