DE3782997D1 - Beruehrungsaktive tafel mit automatischer kompensierung fuer beruehrungssignalveraenderungen. - Google Patents

Beruehrungsaktive tafel mit automatischer kompensierung fuer beruehrungssignalveraenderungen.

Info

Publication number
DE3782997D1
DE3782997D1 DE8787306374T DE3782997T DE3782997D1 DE 3782997 D1 DE3782997 D1 DE 3782997D1 DE 8787306374 T DE8787306374 T DE 8787306374T DE 3782997 T DE3782997 T DE 3782997T DE 3782997 D1 DE3782997 D1 DE 3782997D1
Authority
DE
Germany
Prior art keywords
touch
signal changes
automatic compensation
active panel
touch signal
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
Application number
DE8787306374T
Other languages
English (en)
Other versions
DE3782997T2 (de
Inventor
David R Meadows
Philip T Krein
Bruce Murdock
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.)
Tektronix Inc
Original Assignee
Tektronix 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 Tektronix Inc filed Critical Tektronix Inc
Application granted granted Critical
Publication of DE3782997D1 publication Critical patent/DE3782997D1/de
Publication of DE3782997T2 publication Critical patent/DE3782997T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input 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
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
    • G06F3/0416—Control or interface arrangements specially adapted for digitisers
    • G06F3/0418—Control or interface arrangements specially adapted for digitisers for error correction or compensation, e.g. based on parallax, calibration or alignment
DE8787306374T 1986-08-26 1987-07-17 Beruehrungsaktive tafel mit automatischer kompensierung fuer beruehrungssignalveraenderungen. Expired - Fee Related DE3782997T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/900,559 US4707845A (en) 1986-08-26 1986-08-26 Touch panel with automatic nulling

Publications (2)

Publication Number Publication Date
DE3782997D1 true DE3782997D1 (de) 1993-01-21
DE3782997T2 DE3782997T2 (de) 1993-04-08

Family

ID=25412717

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8787306374T Expired - Fee Related DE3782997T2 (de) 1986-08-26 1987-07-17 Beruehrungsaktive tafel mit automatischer kompensierung fuer beruehrungssignalveraenderungen.

Country Status (5)

Country Link
US (1) US4707845A (de)
EP (1) EP0261770B1 (de)
JP (1) JPS6358528A (de)
CA (1) CA1273080A (de)
DE (1) DE3782997T2 (de)

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Also Published As

Publication number Publication date
CA1273080A (en) 1990-08-21
EP0261770A2 (de) 1988-03-30
JPS6358528A (ja) 1988-03-14
EP0261770B1 (de) 1992-12-09
US4707845A (en) 1987-11-17
DE3782997T2 (de) 1993-04-08
EP0261770A3 (en) 1989-01-11
JPH0448245B2 (de) 1992-08-06

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee