CA1078490A - Tablet with improved pen height compensation - Google Patents

Tablet with improved pen height compensation

Info

Publication number
CA1078490A
CA1078490A CA268,525A CA268525A CA1078490A CA 1078490 A CA1078490 A CA 1078490A CA 268525 A CA268525 A CA 268525A CA 1078490 A CA1078490 A CA 1078490A
Authority
CA
Canada
Prior art keywords
pen
tablet
wires
address
producing
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
CA268,525A
Other languages
English (en)
French (fr)
Inventor
Herbert Dym
Paul Lowy
Greg Salyer
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
Application filed by International Business Machines Corp filed Critical International Business Machines Corp
Application granted granted Critical
Publication of CA1078490A publication Critical patent/CA1078490A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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
    • G06F3/0442—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 transmitting changes in electrical potential to be received by the digitiser

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)
  • Position Input By Displaying (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
CA268,525A 1975-12-22 1976-12-22 Tablet with improved pen height compensation Expired CA1078490A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/643,470 US4009338A (en) 1975-12-22 1975-12-22 Tablet with improved pen height compensation

Publications (1)

Publication Number Publication Date
CA1078490A true CA1078490A (en) 1980-05-27

Family

ID=24580963

Family Applications (1)

Application Number Title Priority Date Filing Date
CA268,525A Expired CA1078490A (en) 1975-12-22 1976-12-22 Tablet with improved pen height compensation

Country Status (7)

Country Link
US (1) US4009338A (OSRAM)
JP (1) JPS5277638A (OSRAM)
CA (1) CA1078490A (OSRAM)
DE (1) DE2656721C2 (OSRAM)
GB (1) GB1499498A (OSRAM)
IT (1) IT1074003B (OSRAM)
SE (1) SE411083B (OSRAM)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4686332A (en) * 1986-06-26 1987-08-11 International Business Machines Corporation Combined finger touch and stylus detection system for use on the viewing surface of a visual display device
JPS5920156B2 (ja) * 1980-07-10 1984-05-11 セイコーインスツルメンツ株式会社 座標読取装置
JPS5987583A (ja) * 1982-11-11 1984-05-21 Sony Corp 位置検出装置
US4694124A (en) * 1984-03-23 1987-09-15 Pencept, Inc. Digitizing tablet system including a tablet having a grid structure made of two orthogonal sets of parallel uniformly sized and spaced U shaped loops of conductive material
JPS61120231A (ja) * 1984-11-16 1986-06-07 Sharp Corp 手書き入力装置
US4644102A (en) * 1985-03-29 1987-02-17 Pencept, Inc. Digitizing tablet system
US4710758A (en) * 1985-04-26 1987-12-01 Westinghouse Electric Corp. Automatic touch screen calibration method
US4961138A (en) * 1987-05-01 1990-10-02 General Datacomm, Inc. System and apparatus for providing three dimensions of input into a host processor
US4963703A (en) * 1989-07-18 1990-10-16 Numonics Corporation Coordinate determining device using spatial filters
US5149919A (en) * 1990-10-31 1992-09-22 International Business Machines Corporation Stylus sensing system
US5117071A (en) * 1990-10-31 1992-05-26 International Business Machines Corporation Stylus sensing system
RU2201618C2 (ru) * 2001-03-23 2003-03-27 Супрун Антон Евгеньевич Способ ввода информации в малогабаритный терминал, размещающийся в руке пользователя, в частности радиотелефонную трубку, пейджер, органайзер
US10019119B2 (en) 2010-09-09 2018-07-10 3M Innovative Properties Company Touch sensitive device with stylus support
US9823785B2 (en) 2010-09-09 2017-11-21 3M Innovative Properties Company Touch sensitive device with stylus support
US9389724B2 (en) 2010-09-09 2016-07-12 3M Innovative Properties Company Touch sensitive device with stylus support

Also Published As

Publication number Publication date
DE2656721A1 (de) 1977-06-30
JPS5640390B2 (OSRAM) 1981-09-19
SE411083B (sv) 1979-11-26
IT1074003B (it) 1985-04-17
GB1499498A (en) 1978-02-01
DE2656721C2 (de) 1984-03-22
US4009338A (en) 1977-02-22
JPS5277638A (en) 1977-06-30
SE7614340L (sv) 1977-06-23

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Legal Events

Date Code Title Description
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