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GB2563601B - Device for processing signals from a pressure-sensing touch panel - Google Patents

Device for processing signals from a pressure-sensing touch panel Download PDF

Info

Publication number
GB2563601B
GB2563601B GB1709757.7A GB201709757A GB2563601B GB 2563601 B GB2563601 B GB 2563601B GB 201709757 A GB201709757 A GB 201709757A GB 2563601 B GB2563601 B GB 2563601B
Authority
GB
United Kingdom
Prior art keywords
pressure
touch panel
processing signals
sensing touch
sensing
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.)
Active
Application number
GB1709757.7A
Other versions
GB2563601A (en
GB201709757D0 (en
Inventor
Bastani Babak
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.)
Cambridge Touch Technologies Ltd
Original Assignee
Cambridge Touch Technologies Ltd
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 Cambridge Touch Technologies Ltd filed Critical Cambridge Touch Technologies Ltd
Priority to GB1709757.7A priority Critical patent/GB2563601B/en
Publication of GB201709757D0 publication Critical patent/GB201709757D0/en
Priority to PCT/GB2018/051598 priority patent/WO2018234749A1/en
Publication of GB2563601A publication Critical patent/GB2563601A/en
Application granted granted Critical
Publication of GB2563601B publication Critical patent/GB2563601B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • G06F3/0414—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means using force sensing means to determine a position
    • G06F3/04144—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means using force sensing means to determine a position using an array of force sensing means
    • 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
    • G06F3/0414—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means using force sensing means to determine a position
    • 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
    • G06F3/0412—Digitisers structurally integrated in a display
    • 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
    • G06F3/0416—Control or interface arrangements specially adapted for digitisers
    • 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
    • G06F3/0416—Control or interface arrangements specially adapted for digitisers
    • G06F3/04166—Details of scanning methods, e.g. sampling time, grouping of sub areas or time sharing with display driving
    • 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
    • G06F3/0443—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means using a single layer of sensing electrodes
    • 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
    • G06F3/0445—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means using two or more layers of sensing electrodes, e.g. using two layers of electrodes separated by a dielectric layer
    • 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
    • G06F3/0446—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
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2203/00—Indexing scheme relating to G06F3/00 - G06F3/048
    • G06F2203/041—Indexing scheme relating to G06F3/041 - G06F3/045
    • G06F2203/04105—Pressure sensors for measuring the pressure or force exerted on the touch surface without providing the touch position
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2203/00—Indexing scheme relating to G06F3/00 - G06F3/048
    • G06F2203/041—Indexing scheme relating to G06F3/041 - G06F3/045
    • G06F2203/04106—Multi-sensing digitiser, i.e. digitiser using at least two different sensing technologies simultaneously or alternatively, e.g. for detecting pen and finger, for saving power or for improving position detection
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2203/00—Indexing scheme relating to G06F3/00 - G06F3/048
    • G06F2203/041—Indexing scheme relating to G06F3/041 - G06F3/045
    • G06F2203/04107—Shielding in digitiser, i.e. guard or shielding arrangements, mostly for capacitive touchscreens, e.g. driven shields, driven grounds

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)
GB1709757.7A 2017-06-19 2017-06-19 Device for processing signals from a pressure-sensing touch panel Active GB2563601B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB1709757.7A GB2563601B (en) 2017-06-19 2017-06-19 Device for processing signals from a pressure-sensing touch panel
PCT/GB2018/051598 WO2018234749A1 (en) 2017-06-19 2018-06-12 DEVICE FOR PROCESSING SIGNALS FROM A PRESSURE DETECTION TOUCH PANEL

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1709757.7A GB2563601B (en) 2017-06-19 2017-06-19 Device for processing signals from a pressure-sensing touch panel

Publications (3)

Publication Number Publication Date
GB201709757D0 GB201709757D0 (en) 2017-08-02
GB2563601A GB2563601A (en) 2018-12-26
GB2563601B true GB2563601B (en) 2020-03-11

Family

ID=59462364

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1709757.7A Active GB2563601B (en) 2017-06-19 2017-06-19 Device for processing signals from a pressure-sensing touch panel

Country Status (2)

Country Link
GB (1) GB2563601B (en)
WO (1) WO2018234749A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2582171B (en) 2019-03-13 2022-10-12 Cambridge Touch Tech Ltd Force sensing touch panel

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20060012581A1 (en) * 2004-07-15 2006-01-19 N-Trig Ltd. Tracking window for a digitizer system
US20090115735A1 (en) * 2007-11-06 2009-05-07 Himax Technologies Limited Sensor with pressure-induced varied capacitance
EP2214087A1 (en) * 2009-01-30 2010-08-04 Research In Motion Limited A handheld electronic device having a touchscreen and a method of using a touchscreen of a handheld electronic device
US20100309145A1 (en) * 2009-06-04 2010-12-09 Taiwan Electrets Electronics Co., Ltd. 3-dimension non-bias electrets multi-touch device
WO2014098946A1 (en) * 2012-12-17 2014-06-26 Changello Enterprise Llc Force detection in touch devices using piezoelectric sensors
GB2533667A (en) * 2014-12-23 2016-06-29 Cambridge Touch Tech Ltd Pressure-sensitive touch panel
WO2016102975A2 (en) * 2014-12-23 2016-06-30 Cambridge Touch Technologies, Ltd Pressure-sensitive touch panel

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9018030B2 (en) * 2008-03-20 2015-04-28 Symbol Technologies, Inc. Transparent force sensor and method of fabrication
TWI438413B (en) * 2009-10-09 2014-05-21 Egalax Empia Technology Inc Method and device for signal detection
GB2544353B (en) * 2015-12-23 2018-02-21 Cambridge Touch Tech Ltd Pressure-sensitive touch panel

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20060012581A1 (en) * 2004-07-15 2006-01-19 N-Trig Ltd. Tracking window for a digitizer system
US20090115735A1 (en) * 2007-11-06 2009-05-07 Himax Technologies Limited Sensor with pressure-induced varied capacitance
EP2214087A1 (en) * 2009-01-30 2010-08-04 Research In Motion Limited A handheld electronic device having a touchscreen and a method of using a touchscreen of a handheld electronic device
US20100309145A1 (en) * 2009-06-04 2010-12-09 Taiwan Electrets Electronics Co., Ltd. 3-dimension non-bias electrets multi-touch device
WO2014098946A1 (en) * 2012-12-17 2014-06-26 Changello Enterprise Llc Force detection in touch devices using piezoelectric sensors
GB2533667A (en) * 2014-12-23 2016-06-29 Cambridge Touch Tech Ltd Pressure-sensitive touch panel
WO2016102975A2 (en) * 2014-12-23 2016-06-30 Cambridge Touch Technologies, Ltd Pressure-sensitive touch panel

Also Published As

Publication number Publication date
WO2018234749A1 (en) 2018-12-27
GB2563601A (en) 2018-12-26
GB201709757D0 (en) 2017-08-02

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