GB2570538B - Pressure signal processing - Google Patents

Pressure signal processing Download PDF

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Publication number
GB2570538B
GB2570538B GB1815617.4A GB201815617A GB2570538B GB 2570538 B GB2570538 B GB 2570538B GB 201815617 A GB201815617 A GB 201815617A GB 2570538 B GB2570538 B GB 2570538B
Authority
GB
United Kingdom
Prior art keywords
signal processing
pressure signal
pressure
processing
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.)
Active
Application number
GB1815617.4A
Other versions
GB201815617D0 (en
GB2570538A (en
Inventor
Micci Riccardo
Nathan Arokia
Routley Paul
Bastani Babak
Vit Matteo
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
Priority claimed from GB1801099.1A external-priority patent/GB2570446B/en
Priority claimed from GB1809318.7A external-priority patent/GB2574588A/en
Application filed by Cambridge Touch Technologies Ltd filed Critical Cambridge Touch Technologies Ltd
Publication of GB201815617D0 publication Critical patent/GB201815617D0/en
Priority to EP19177653.3A priority Critical patent/EP3579091A1/en
Priority to US16/431,488 priority patent/US10928947B2/en
Priority to JP2019105322A priority patent/JP7320379B2/en
Priority to CN201910491475.8A priority patent/CN110568951B/en
Priority to KR1020190067551A priority patent/KR20190138759A/en
Publication of GB2570538A publication Critical patent/GB2570538A/en
Publication of GB2570538B publication Critical patent/GB2570538B/en
Application granted granted Critical
Priority to US17/154,048 priority patent/US11294492B2/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • G06F3/0414—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; 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
    • G06F3/0414—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; 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
    • G06F3/04166—Details of scanning methods, e.g. sampling time, grouping of sub areas or time sharing with display driving
    • 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
    • G06F3/0446—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; CALCULATING OR 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
    • G06F2203/04103—Manufacturing, i.e. details related to manufacturing processes specially suited for touch sensitive devices
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR 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
GB1815617.4A 2018-01-23 2018-09-25 Pressure signal processing Active GB2570538B (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
EP19177653.3A EP3579091A1 (en) 2018-06-06 2019-05-31 Pressure signal processing
US16/431,488 US10928947B2 (en) 2018-06-06 2019-06-04 Pressure signal processing
JP2019105322A JP7320379B2 (en) 2018-06-06 2019-06-05 Pressure signal processing
CN201910491475.8A CN110568951B (en) 2018-06-06 2019-06-06 Pressure signal processing
KR1020190067551A KR20190138759A (en) 2018-06-06 2019-06-07 Pressure signal processing
US17/154,048 US11294492B2 (en) 2018-06-06 2021-01-21 Pressure signal processing

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB1801099.1A GB2570446B (en) 2018-01-23 2018-01-23 Pressure signal processing
GB1809318.7A GB2574588A (en) 2018-06-06 2018-06-06 Pressure sensing apparatus and method

Publications (3)

Publication Number Publication Date
GB201815617D0 GB201815617D0 (en) 2018-11-07
GB2570538A GB2570538A (en) 2019-07-31
GB2570538B true GB2570538B (en) 2020-12-16

Family

ID=64024154

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1815617.4A Active GB2570538B (en) 2018-01-23 2018-09-25 Pressure signal processing

Country Status (1)

Country Link
GB (1) GB2570538B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11294492B2 (en) 2018-06-06 2022-04-05 Cambridge Touch Technologies Ltd. Pressure signal processing
GB2585653B (en) 2019-07-09 2022-03-23 Cambridge Touch Tech Ltd Force signal processing

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20130033451A1 (en) * 2011-08-05 2013-02-07 Dana Olson Variable profile common mode filter
US20150103042A1 (en) * 2013-10-15 2015-04-16 Anapass Inc. Method of removing common noise and method of detecting touch information
US20160259465A1 (en) * 2015-03-06 2016-09-08 Apple Inc. Reducing Noise in a Force Signal in an Electronic Device

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20130033451A1 (en) * 2011-08-05 2013-02-07 Dana Olson Variable profile common mode filter
US20150103042A1 (en) * 2013-10-15 2015-04-16 Anapass Inc. Method of removing common noise and method of detecting touch information
US20160259465A1 (en) * 2015-03-06 2016-09-08 Apple Inc. Reducing Noise in a Force Signal in an Electronic Device

Also Published As

Publication number Publication date
GB201815617D0 (en) 2018-11-07
GB2570538A (en) 2019-07-31

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