ZA985411B - Device for obtaining positional information - Google Patents

Device for obtaining positional information

Info

Publication number
ZA985411B
ZA985411B ZA985411A ZA985411A ZA985411B ZA 985411 B ZA985411 B ZA 985411B ZA 985411 A ZA985411 A ZA 985411A ZA 985411 A ZA985411 A ZA 985411A ZA 985411 B ZA985411 B ZA 985411B
Authority
ZA
South Africa
Prior art keywords
waveform signal
parts
members
signal
relative positions
Prior art date
Application number
ZA985411A
Other languages
English (en)
Inventor
David Alan Woodfield
Original Assignee
David Alan Woodfield
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 to GB9700225A priority Critical patent/GB2321108A/en
Priority to AT98100139T priority patent/ATE206205T1/de
Priority to EP98100139A priority patent/EP0853230B1/de
Priority to DE69801776T priority patent/DE69801776D1/de
Priority to US09/004,675 priority patent/US5961574A/en
Priority to NZ330696A priority patent/NZ330696A/xx
Priority to AU71951/98A priority patent/AU7195198A/en
Application filed by David Alan Woodfield filed Critical David Alan Woodfield
Priority to ZA985411A priority patent/ZA985411B/xx
Priority to CA002241506A priority patent/CA2241506A1/en
Priority to JP17584798A priority patent/JP2000020231A/ja
Priority to CN98115056A priority patent/CN1239785A/zh
Publication of ZA985411B publication Critical patent/ZA985411B/xx

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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
    • G01D5/12—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means
    • G01D5/14—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage
    • G01D5/24—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage by varying capacitance
    • G01D5/241—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage by varying capacitance by relative movement of capacitor electrodes
    • G01D5/2412—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage by varying capacitance by relative movement of capacitor electrodes by varying overlap

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • Human Computer Interaction (AREA)
  • Power Engineering (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
  • Position Input By Displaying (AREA)
  • Length Measuring Devices With Unspecified Measuring Means (AREA)
  • Small-Scale Networks (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Transmission And Conversion Of Sensor Element Output (AREA)
ZA985411A 1997-01-08 1998-06-22 Device for obtaining positional information ZA985411B (en)

Priority Applications (11)

Application Number Priority Date Filing Date Title
GB9700225A GB2321108A (en) 1997-01-08 1997-01-08 Input device for inputting positional information
AT98100139T ATE206205T1 (de) 1997-01-08 1998-01-07 Verfahren und vorrichtung zur erfassung von positionsinformation
EP98100139A EP0853230B1 (de) 1997-01-08 1998-01-07 Verfahren und Vorrichtung zur Erfassung von Positionsinformation
DE69801776T DE69801776D1 (de) 1997-01-08 1998-01-07 Verfahren und Vorrichtung zur Erfassung von Positionsinformation
US09/004,675 US5961574A (en) 1997-01-08 1998-01-08 Device for obtaining positional information
NZ330696A NZ330696A (en) 1997-01-08 1998-06-16 Determining relative position of two capacitatively coupled members by selectively applying oscillating signals to different parts of one member
AU71951/98A AU7195198A (en) 1997-01-08 1998-06-17 Device for obtaining positional information
ZA985411A ZA985411B (en) 1997-01-08 1998-06-22 Device for obtaining positional information
CA002241506A CA2241506A1 (en) 1997-01-08 1998-06-22 Device for obtaining positional information
JP17584798A JP2000020231A (ja) 1997-01-08 1998-06-23 位置情報を得るための装置
CN98115056A CN1239785A (zh) 1997-01-08 1998-06-23 用于获得位置信息的装置

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
GB9700225A GB2321108A (en) 1997-01-08 1997-01-08 Input device for inputting positional information
NZ330696A NZ330696A (en) 1997-01-08 1998-06-16 Determining relative position of two capacitatively coupled members by selectively applying oscillating signals to different parts of one member
AU71951/98A AU7195198A (en) 1997-01-08 1998-06-17 Device for obtaining positional information
ZA985411A ZA985411B (en) 1997-01-08 1998-06-22 Device for obtaining positional information
CA002241506A CA2241506A1 (en) 1997-01-08 1998-06-22 Device for obtaining positional information
JP17584798A JP2000020231A (ja) 1997-01-08 1998-06-23 位置情報を得るための装置
CN98115056A CN1239785A (zh) 1997-01-08 1998-06-23 用于获得位置信息的装置

Publications (1)

Publication Number Publication Date
ZA985411B true ZA985411B (en) 1999-04-28

Family

ID=31982771

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA985411A ZA985411B (en) 1997-01-08 1998-06-22 Device for obtaining positional information

Country Status (11)

Country Link
US (1) US5961574A (de)
EP (1) EP0853230B1 (de)
JP (1) JP2000020231A (de)
CN (1) CN1239785A (de)
AT (1) ATE206205T1 (de)
AU (1) AU7195198A (de)
CA (1) CA2241506A1 (de)
DE (1) DE69801776D1 (de)
GB (1) GB2321108A (de)
NZ (1) NZ330696A (de)
ZA (1) ZA985411B (de)

Families Citing this family (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9726640D0 (en) * 1997-12-18 1998-02-18 Woodfield David A Method of obtaining positional information
US20060125781A1 (en) * 2004-12-15 2006-06-15 Sachs Todd S Sliding structure location on a pointing device corrected for non-linearity of measured differential
US7349822B2 (en) * 2004-12-23 2008-03-25 Avago Technologies Ecbu Ip Pte Ltd. Slide pad system and method
US8633915B2 (en) 2007-10-04 2014-01-21 Apple Inc. Single-layer touch-sensitive display
US20090174676A1 (en) 2008-01-04 2009-07-09 Apple Inc. Motion component dominance factors for motion locking of touch sensor data
US8576193B2 (en) 2008-04-25 2013-11-05 Apple Inc. Brick layout and stackup for a touch screen
US8487898B2 (en) 2008-04-25 2013-07-16 Apple Inc. Ground guard for capacitive sensing
US9261997B2 (en) 2009-02-02 2016-02-16 Apple Inc. Touch regions in diamond configuration
US8922521B2 (en) 2009-02-02 2014-12-30 Apple Inc. Switching circuitry for touch sensitive display
US8593410B2 (en) 2009-04-10 2013-11-26 Apple Inc. Touch sensor panel design
US8957874B2 (en) 2009-06-29 2015-02-17 Apple Inc. Touch sensor panel design
US9652088B2 (en) 2010-07-30 2017-05-16 Apple Inc. Fabrication of touch sensor panel using laser ablation
US9329723B2 (en) 2012-04-16 2016-05-03 Apple Inc. Reconstruction of original touch image from differential touch image
US9727190B2 (en) * 2013-02-25 2017-08-08 Sharp Kabushiki Kaisha Electronic apparatus and information processing system
US9886141B2 (en) 2013-08-16 2018-02-06 Apple Inc. Mutual and self capacitance touch measurements in touch panel
US10936120B2 (en) 2014-05-22 2021-03-02 Apple Inc. Panel bootstraping architectures for in-cell self-capacitance
US10289251B2 (en) 2014-06-27 2019-05-14 Apple Inc. Reducing floating ground effects in pixelated self-capacitance touch screens
US9280251B2 (en) 2014-07-11 2016-03-08 Apple Inc. Funneled touch sensor routing
US9880655B2 (en) 2014-09-02 2018-01-30 Apple Inc. Method of disambiguating water from a finger touch on a touch sensor panel
EP3175330B1 (de) 2014-09-22 2022-04-20 Apple Inc. Kompensation eines ungeerdeten benutzersignals für pixelierte eigenkapazitive berührungssensorentafel
US10712867B2 (en) 2014-10-27 2020-07-14 Apple Inc. Pixelated self-capacitance water rejection
AU2016215616B2 (en) 2015-02-02 2018-12-06 Apple Inc. Flexible self-capacitance and mutual capacitance touch sensing system architecture
US10488992B2 (en) 2015-03-10 2019-11-26 Apple Inc. Multi-chip touch architecture for scalability
US10365773B2 (en) 2015-09-30 2019-07-30 Apple Inc. Flexible scan plan using coarse mutual capacitance and fully-guarded measurements
US10534481B2 (en) 2015-09-30 2020-01-14 Apple Inc. High aspect ratio capacitive sensor panel
AU2017208277B2 (en) 2016-09-06 2018-12-20 Apple Inc. Back of cover touch sensors
US10386965B2 (en) 2017-04-20 2019-08-20 Apple Inc. Finger tracking in wet environment
US11662867B1 (en) 2020-05-30 2023-05-30 Apple Inc. Hover detection on a touch sensor panel

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB872152A (en) * 1958-06-04 1961-07-05 Associated Eletrical Ind Ltd Improvements in or relating to position sensing devices
US3264554A (en) * 1964-04-16 1966-08-02 Sanders Associates Inc Capacitor goniometer compass
SE411392B (sv) * 1977-12-09 1979-12-17 Inst Mikrovagsteknik Vid Tekni Metanordning for kapacitiv bestemning av det inbordes leget hos tva relativt varandra rorliga delar
US4303919A (en) * 1978-12-04 1981-12-01 John Dimeff Non-contacting device for sensing multi-component motion
DE2931489C2 (de) * 1979-08-03 1987-07-09 Jungheinrich Unternehmensverwaltung Kg, 2000 Hamburg Steuerhebelschalter
GB2133889A (en) * 1983-01-19 1984-08-01 Lucas Ind Plc Capacitance displacement transducers
DE3634855C1 (de) * 1986-10-13 1988-03-31 Peter Seitz Kapazitive Messanordnung zur Bestimmung von Kraeften und/oder Druecken
NL8602697A (nl) * 1986-10-27 1988-05-16 Huka Bv Developments Joystick.
GB9018200D0 (en) * 1990-08-18 1990-10-03 Sherriff David R Hand operated transducer for precise electronic control
US5461319A (en) * 1992-12-28 1995-10-24 Peters; Randall D. Symmetric differential capacitance transducer employing cross coupled conductive plates to form equipotential pairs
DE4410918A1 (de) * 1994-03-29 1995-10-05 R & R Ges Fuer Rationalisierun Vorrichtung zur kapazitiven Wegmessung und/oder Positionsbestimmung
US5736865A (en) * 1996-09-16 1998-04-07 Delco Electronics Corporation Capacitive rotary position encoder
US5872408A (en) * 1997-02-12 1999-02-16 Rakov; Mikhail A. Capacitive sensor for indicating position

Also Published As

Publication number Publication date
DE69801776D1 (de) 2001-10-31
AU7195198A (en) 2000-02-03
CA2241506A1 (en) 1999-12-22
GB2321108A (en) 1998-07-15
ATE206205T1 (de) 2001-10-15
EP0853230B1 (de) 2001-09-26
NZ330696A (en) 2000-01-28
EP0853230A1 (de) 1998-07-15
GB9700225D0 (en) 1997-02-26
CN1239785A (zh) 1999-12-29
JP2000020231A (ja) 2000-01-21
US5961574A (en) 1999-10-05

Similar Documents

Publication Publication Date Title
ZA985411B (en) Device for obtaining positional information
GB2237474B (en) Auxiliary signal in an information channel
AU665147B2 (en) Laser imaged printing plate
CA2202123A1 (en) Bi-directional voltage translator
AU3967397A (en) Cryogenically-cooled switching circuit
IT1217194B (it) Mosfet di alta potenza e circuito integrato di controllo per lo stesso,per arrlicazioni nella commutazione lato alta tensione
AU9364798A (en) High sensitivity electrical switching circuit
AU2049395A (en) Gate drive circuit for voltage-driven type power switching device
GB2278025B (en) Circuit arrangement for switching a current-consuming apparatus on and off
AU3382289A (en) Mosfet power switch arrangements
FR2713918B1 (fr) Tampon pourvu d'une enveloppe.
GB2284283B (en) Circuit arrangement for current measurement via a switching transistor
FR2742916B1 (fr) Dispositif electrique a commutation d'arc
FI920009A0 (fi) Elmaetare.
AU7367194A (en) Current driver with shutdown circuit
AU4112197A (en) A circuit for current measurement and uses thereof
AU4071093A (en) Voltage measuring circuit
EP0630111A3 (de) Ausgangstreiberschaltung für Niederspannungsgerät.
FR2709865B1 (fr) Contact d'arc pour disjoncteur à auto-soufflage.
KR960009299B1 (en) Contact image sensor for color
DE59706456D1 (de) Elektrografische druckeinrichtung mit zwei umdruckstellen
AU661448B3 (en) Needle module for use on permanent marking assembly
AUPO778997A0 (en) Solid state switching device circuit
AU7001391A (en) V. 35 interchange interface circuit
KR940019772U (ko) 엘씨디의 구동 전압 절환 회로