GB1546317A - Capacitive tablets - Google Patents

Capacitive tablets

Info

Publication number
GB1546317A
GB1546317A GB49548/77A GB4954877A GB1546317A GB 1546317 A GB1546317 A GB 1546317A GB 49548/77 A GB49548/77 A GB 49548/77A GB 4954877 A GB4954877 A GB 4954877A GB 1546317 A GB1546317 A GB 1546317A
Authority
GB
United Kingdom
Prior art keywords
capacitive
tablets
capacitive tablets
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
GB49548/77A
Other languages
English (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
Application filed by International Business Machines Corp filed Critical International Business Machines Corp
Publication of GB1546317A publication Critical patent/GB1546317A/en
Expired 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
    • G06F3/0443—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means using a single layer of sensing 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)
  • Position Input By Displaying (AREA)
GB49548/77A 1976-12-29 1977-11-29 Capacitive tablets Expired GB1546317A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/755,273 US4087625A (en) 1976-12-29 1976-12-29 Capacitive two dimensional tablet with single conductive layer

Publications (1)

Publication Number Publication Date
GB1546317A true GB1546317A (en) 1979-05-23

Family

ID=25038450

Family Applications (1)

Application Number Title Priority Date Filing Date
GB49548/77A Expired GB1546317A (en) 1976-12-29 1977-11-29 Capacitive tablets

Country Status (7)

Country Link
US (1) US4087625A (US20100268047A1-20101021-C00003.png)
JP (1) JPS5384420A (US20100268047A1-20101021-C00003.png)
AU (1) AU510006B2 (US20100268047A1-20101021-C00003.png)
CA (1) CA1061434A (US20100268047A1-20101021-C00003.png)
DE (1) DE2753968C2 (US20100268047A1-20101021-C00003.png)
GB (1) GB1546317A (US20100268047A1-20101021-C00003.png)
IT (1) IT1113839B (US20100268047A1-20101021-C00003.png)

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GB2437827A (en) * 2006-05-05 2007-11-07 Harald Philipp Touch screen element
GB2453418A (en) * 2007-10-04 2009-04-08 Apple Inc Single layer touch sensitive display
US8319747B2 (en) 2008-12-11 2012-11-27 Apple Inc. Single layer touch panel with segmented drive and sense electrodes
US8487898B2 (en) 2008-04-25 2013-07-16 Apple Inc. Ground guard for capacitive sensing
US8576193B2 (en) 2008-04-25 2013-11-05 Apple Inc. Brick layout and stackup for a touch screen
US8593425B2 (en) 2009-04-10 2013-11-26 Apple Inc. Touch sensor panel design
US8619054B2 (en) 2006-05-31 2013-12-31 Atmel Corporation Two dimensional position sensor
US8957874B2 (en) 2009-06-29 2015-02-17 Apple Inc. Touch sensor panel design
US9261997B2 (en) 2009-02-02 2016-02-16 Apple Inc. Touch regions in diamond configuration
US9280251B2 (en) 2014-07-11 2016-03-08 Apple Inc. Funneled touch sensor routing
US9652088B2 (en) 2010-07-30 2017-05-16 Apple Inc. Fabrication of touch sensor panel using laser ablation
US9874975B2 (en) 2012-04-16 2018-01-23 Apple Inc. Reconstruction of original touch image from differential touch image
US9880655B2 (en) 2014-09-02 2018-01-30 Apple Inc. Method of disambiguating water from a finger touch on a touch sensor panel
US9886141B2 (en) 2013-08-16 2018-02-06 Apple Inc. Mutual and self capacitance touch measurements in touch panel
US9996175B2 (en) 2009-02-02 2018-06-12 Apple Inc. Switching circuitry for touch sensitive display
US10289251B2 (en) 2014-06-27 2019-05-14 Apple Inc. Reducing floating ground effects in pixelated self-capacitance touch screens
US10365773B2 (en) 2015-09-30 2019-07-30 Apple Inc. Flexible scan plan using coarse mutual capacitance and fully-guarded measurements
US10386965B2 (en) 2017-04-20 2019-08-20 Apple Inc. Finger tracking in wet environment
US10444918B2 (en) 2016-09-06 2019-10-15 Apple Inc. Back of cover touch sensors
US10488992B2 (en) 2015-03-10 2019-11-26 Apple Inc. Multi-chip touch architecture for scalability
US10534481B2 (en) 2015-09-30 2020-01-14 Apple Inc. High aspect ratio capacitive sensor panel
US10705658B2 (en) 2014-09-22 2020-07-07 Apple Inc. Ungrounded user signal compensation for pixelated self-capacitance touch sensor panel
US10712867B2 (en) 2014-10-27 2020-07-14 Apple Inc. Pixelated self-capacitance water rejection
US10795488B2 (en) 2015-02-02 2020-10-06 Apple Inc. Flexible self-capacitance and mutual capacitance touch sensing system architecture
US10936120B2 (en) 2014-05-22 2021-03-02 Apple Inc. Panel bootstraping architectures for in-cell self-capacitance
US11294503B2 (en) 2008-01-04 2022-04-05 Apple Inc. Sensor baseline offset adjustment for a subset of sensor output values
US11662867B1 (en) 2020-05-30 2023-05-30 Apple Inc. Hover detection on a touch sensor panel

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Also Published As

Publication number Publication date
DE2753968A1 (de) 1978-07-06
JPS5384420A (en) 1978-07-25
CA1061434A (en) 1979-08-28
AU3198577A (en) 1979-06-28
DE2753968C2 (de) 1983-11-10
IT1113839B (it) 1986-01-27
US4087625A (en) 1978-05-02
AU510006B2 (en) 1980-06-05
JPS5631617B2 (US20100268047A1-20101021-C00003.png) 1981-07-22

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PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee