FR2313662B1 - - Google Patents

Info

Publication number
FR2313662B1
FR2313662B1 FR7613463A FR7613463A FR2313662B1 FR 2313662 B1 FR2313662 B1 FR 2313662B1 FR 7613463 A FR7613463 A FR 7613463A FR 7613463 A FR7613463 A FR 7613463A FR 2313662 B1 FR2313662 B1 FR 2313662B1
Authority
FR
France
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
FR7613463A
Other languages
French (fr)
Other versions
FR2313662A1 (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.)
International Business Machines Corp
Original Assignee
International Business Machines Corp
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
Priority claimed from US05/583,350 external-priority patent/US3992579A/en
Priority claimed from US05/593,895 external-priority patent/US3999012A/en
Priority claimed from US05/643,470 external-priority patent/US4009338A/en
Application filed by International Business Machines Corp filed Critical International Business Machines Corp
Publication of FR2313662A1 publication Critical patent/FR2313662A1/en
Application granted granted Critical
Publication of FR2313662B1 publication Critical patent/FR2313662B1/fr
Granted 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
    • G06F3/044—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means
    • 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
    • G06F3/044—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means
    • G06F3/0441—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means using active external devices, e.g. active pens, for receiving changes in electrical potential transmitted by the digitiser, e.g. tablet driving signals
    • 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
    • G06F3/044—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means
    • G06F3/0446—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means using a grid-like structure of electrodes in at least two directions, e.g. using row and column electrodes

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
FR7613463A 1975-06-02 1976-04-29 Graph table with automatic readout of stylus coordinates - has control circuit selectively applying AC to coordinate lines Granted FR2313662A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US05/583,350 US3992579A (en) 1975-06-02 1975-06-02 Tablet system with digital activation
US05/593,895 US3999012A (en) 1975-07-07 1975-07-07 Graphic entry tablet with improved addressing
US05/643,470 US4009338A (en) 1975-12-22 1975-12-22 Tablet with improved pen height compensation

Publications (2)

Publication Number Publication Date
FR2313662A1 FR2313662A1 (en) 1976-12-31
FR2313662B1 true FR2313662B1 (en) 1978-05-19

Family

ID=27416401

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7613463A Granted FR2313662A1 (en) 1975-06-02 1976-04-29 Graph table with automatic readout of stylus coordinates - has control circuit selectively applying AC to coordinate lines

Country Status (1)

Country Link
FR (1) FR2313662A1 (en)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3732557A (en) * 1971-05-03 1973-05-08 Evans & Sutherland Computer Co Incremental position-indicating system
US3873770A (en) * 1974-03-21 1975-03-25 Bendix Corp Digital position measurement system with stylus tilt error compensation

Also Published As

Publication number Publication date
FR2313662A1 (en) 1976-12-31

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Legal Events

Date Code Title Description
ST Notification of lapse