WO2008000964A1 - Capteur tactile multipoint a matrice active - Google Patents
Capteur tactile multipoint a matrice active Download PDFInfo
- Publication number
- WO2008000964A1 WO2008000964A1 PCT/FR2007/001096 FR2007001096W WO2008000964A1 WO 2008000964 A1 WO2008000964 A1 WO 2008000964A1 FR 2007001096 W FR2007001096 W FR 2007001096W WO 2008000964 A1 WO2008000964 A1 WO 2008000964A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- cells
- sub
- touch sensor
- sensor according
- layer
- 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.)
- Ceased
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
- G06F3/0412—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
- G06F3/044—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means
- G06F3/0447—Position sensing using the local deformation of sensor cells
Definitions
- the present invention relates to the field of multitouch tactile sensors for controlling a device, preferably via a graphical interface, the sensor being provided with means for simultaneous acquisition of the position, the pressure, the size, the shape and movement of several fingers on its surface.
- Known multipoint touch sensors are known in the state of the art.
- the patent WO2005 / 091104 describes a device for the control of a computerized equipment comprising a two-dimensional multicontact sensor for the acquisition of tactile information, characterized in that it further comprises a display screen disposed under the two-dimensional tactile sensor, and a memory for the recording of graphic objects each associated with at least one processing law, and a local computer for analyzing the position of the acquired tactile information and the application of a treatment law according to said position with respect to the position of the graphic objects.
- the sensors of the state of the art have the drawback of an erroneous response in the case where three contacts are aligned along two orthonormal axes. In this case, it is not possible to detect the presence or the disappearance of an additional contact. The first three contacts hide the detection of additional contacts.
- an active matrix multipoint touch sensor comprising:
- a matrix layer having NxM independent cells each of the P xy cells being connected to a line L x and to a column C through an element of switching, the lines L x being common to all the cells P x ⁇ i being between 1 and N, and the columns C y being common to all the cells P jy j being between 1 and Q, Q being at most equal to M, - an intermediate layer capable of causing a local modification of the electrical properties of the cells located beneath the tactile activation zone, said intermediate layer being placed between the active surface and the adjacent surface of said P xy - an upper activation layer allowing a tactile interaction
- an electronic circuit controlling sequentially for each set of cells C a # bl . b2 with b2-b1 being between 1 and Q, a first step of activating said cells C a # b1 b2 and then a second step of detecting the electrical properties of each cell C a 1 b 1 b 2 individually to deliver representative information activated zones tactilely.
- each of the layers is transparent. This variant makes it possible to visualize through the sensor graphical information, in particular information the configuration of which is controlled by the actions detected by the sensor positioned on this screen.
- the senor further comprises an additional display layer common to all the cells.
- each of the cells P XfY further comprises display means.
- said display means are activated by the signal generated during said first activation step.
- the circuit comprises means for controlling said signal generated during said first activation step as a function of the desired display parameters, and detection control means during said second step, a function of the signal applied to said cell. during the first stage. This variant makes it possible to alternately control the display and the detection of the signal.
- the intermediate layer is cut into separate elements each corresponding to at least one cell.
- the intermediate layer is formed by a single zone.
- the intermediate layer comprises a piezoelectric material.
- a sensor is constituted by a dielectric substrate on which distributed electrodes are deposited to form an active matrix of cells, this matrix layer being covered by an intermediate detection layer formed by a sheet of piezoelectric material, this sheet being covered by a uniform transparent conductor sheet.
- it consists of a dielectric substrate on which are deposited electrodes each coated with a piezoelectric material, this matrix layer being covered by a uniform transparent conductor sheet.
- the senor according to the invention comprises activation means of the piezoelectric material by electrical signals applied to said electrodes.
- the intermediate layer comprises a dielectric material, the detection being carried out by an impedance measurement.
- such a sensor is constituted by a dielectric substrate on which distributed electrodes are deposited to form an active matrix of cells, this matrix layer being covered by an intermediate detection layer formed by a sheet of material whose resistivity is a function of the deformation in a direction perpendicular to the sensor surface, this sheet being covered by a uniform transparent conductor sheet.
- it is constituted by a dielectric substrate on which electrodes each coated with a material whose resistivity is a function of the deformation in a direction perpendicular to the surface of the sensor, this matrix layer being covered by a sheet of uniform transparent conductor.
- the senor is constituted by a dielectric substrate on which distributed electrodes are deposited to form an active matrix of cells, this matrix layer being covered by an insulating layer.
- said switching element is a bidirectional element. This solution makes it possible to modify the behavior of the intermediate layer and to measure the variations of its behavior.
- the senor is constituted by a dielectric substrate on which are deposited electrodes forming a matrix coated with a layer of liquid crystal, this layer being covered by a uniform transparent conductor sheet.
- the senor is constituted by a dielectric substrate on which are deposited electrodes forming an active matrix coated with a liquid crystal layer, this layer being covered by a uniform transparent conductor sheet.
- said switching element is a MOSFET transistor.
- FIG. 1 represents an exploded view of a sensor according to an embodiment in which the intermediate layer is uniform
- FIG. 2 represents an exploded view of a sensor according to an embodiment where the intermediate layer is cut into isolated zones
- FIG. 3 represents a detailed view of a set of cells of a first embodiment
- FIG. 4 shows a detailed view of a set of cells of a second embodiment
- FIG. 5 represents a detailed sectional view of a set of cells of a third embodiment
- FIG. 6 represents a detailed sectional view of a set of cells of a fourth embodiment
- FIG. 7 is a detailed sectional view of a set of cells of a fifth embodiment.
- Figure 1 shows an exploded view of a sensor according to an embodiment where the intermediate layer is uniform.
- FIG. 2 represents an exploded view of a sensor according to an embodiment in which the intermediate layer is cut into isolated zones
- Figure 3 shows a detailed view of a set of cells of a first embodiment.
- the multicontact touch screen is constituted by a TFT active matrix having NxM independent cells, each cell Ci being addressed independently by two signals.
- Active matrixing makes it possible to independently address a matrix composed of X identical cells. Milling is done with two signals per cell. The signals are common for cells aligned on the same column or on the same line. In this way, the number of signals to be transmitted (2 minimums per cell) to control N x M cells is only N + M instead of N x M x 2.
- the use of a transistor at the terminals of each cell allows to independently address a cell.
- Each cell comprises a MOSFET transistor (20) with three electrodes (21 to 23): a gate (22), a drain (23) and a source (21).
- the transistor is on when the Grid / Source voltage (Vgs) is greater than a threshold (Vth).
- the drain (23) is connected to the box (24).
- the grid (gate) is connected to the line and the source (21) to the column.
- Figure 4 shows a sectional view of a capacitive sensor using the construction of a TFT liquid crystal display.
- This sensor includes: a substrate (40), for example a glass sheet with a thickness of two millimeters,
- a metallized TFT matrix on a lower layer comprising transparent conductive cells forming electrodes (41) made of a material such as ITO, conductive polymers, other transparent conductive material, with a surface of 10 mm 2, for example.
- a top layer (42) transparent dielectric thin (100 ⁇ m) and high relative permittivity (eg PVC: 5) and protecting the lower layer of external aggression.
- This layer (42) is transparent.
- the activation system (for example a finger) creates a closed electrical circuit with one of the reference voltages of the measuring system (eg the mass) when it is close to the cell (it behaves like an electrode ).
- Fig. 5 shows a pressure sensitive sensor based on a transparent piezoelectric material.
- This sensor includes:
- an intermediate layer (54) of transparent piezoelectric material eg piezoelectric polymer, piezoelectric ceramic, etc.
- transparent piezoelectric material eg piezoelectric polymer, piezoelectric ceramic, etc.
- the TFT matrix makes it possible to independently measure the voltages at each location where an electrode is located. If the piezoelectric material is deposited in independent cells, the effects due to mechanical stress (pressure) will be localized and will not create mechanical-piezoelectric interdependence.
- the piezoelectric layer is, in the example described, common to all the cells.
- the sensor comprises a piezoelectric layer forming independent cells corresponding to the TFT cells.
- Figure 6 shows a detailed sectional view of a set of cells of a fourth embodiment. This variant is a pressure sensitive sensor based on a transparent conductive material whose resistivity changes under the effect of a deformation (due to mechanical pressure). This sensor includes:
- substrate (60) formed by a glass sheet having a thickness of two millimeters
- a metallized TFT matrix on a lower layer comprising transparent conductive cells (61 to 63),
- An intermediate layer of transparent conductive material for example a conductive polymer, uniform or forming cells independent of each other and covering the lower electrodes.
- a conductive upper layer (65) forming a transparent substrate metallized on a protective film (66).
- the TFT matrix makes it possible to independently measure the resistance at each location where an electrode is located.
- the implementation can be done in two ways:
- Fig. 7 is a detailed sectional view of a cell assembly of a fifth sensor embodiment utilizing the integral construction of a standard TFT LCD.
- the sensor When pressure is exerted on the upper layer of an LCD, optical changes in the pressure zone and changes in the electrical properties of the liquid crystal in the same zone follow.
- the electrical characteristics R, C, charging time, etc.
- the sensor is connected to an electronic control circuit comprising N + M connections.
- the electrical circuit delivers a temporal scanning signal activating sequentially the NxM cells, and detecting the variations of the signal produced by the passage of the activated cell.
- the information is stored in a temporary memory to form an image of the sensor for each scan cycle.
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)
Abstract
Description
Claims
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP07803805A EP2033077A1 (fr) | 2006-06-28 | 2007-06-28 | Capteur tactile multipoint a matrice active |
| US12/306,802 US20100066686A1 (en) | 2006-06-28 | 2007-06-28 | Multipoint touch sensor with active matrix |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR0605828 | 2006-06-28 | ||
| FR0605828A FR2903207B1 (fr) | 2006-06-28 | 2006-06-28 | Capteur tactile multipoint a matrice active |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2008000964A1 true WO2008000964A1 (fr) | 2008-01-03 |
Family
ID=37758619
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/FR2007/001096 Ceased WO2008000964A1 (fr) | 2006-06-28 | 2007-06-28 | Capteur tactile multipoint a matrice active |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US20100066686A1 (fr) |
| EP (1) | EP2033077A1 (fr) |
| CN (1) | CN101512467A (fr) |
| FR (1) | FR2903207B1 (fr) |
| WO (1) | WO2008000964A1 (fr) |
Cited By (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009150498A3 (fr) * | 2008-06-13 | 2010-08-12 | Sony Ericsson Mobile Communications Ab | Détection de toucher et de force pour dispositifs d'entrée |
| WO2010147692A1 (fr) | 2009-06-19 | 2010-12-23 | Microsoft Corporation | Détection de contact sur une surface courbée |
| CN102144207A (zh) * | 2008-08-05 | 2011-08-03 | 斯坦图姆公司 | 根据二分法原理的多触点触摸传感器的采集和分析方法、实施该方法的电子电路和多触点触摸传感器 |
| WO2013093327A1 (fr) * | 2011-12-22 | 2013-06-27 | Nanotec Solution | Dispositif de mesure capacitive a electrodes commutees pour interfaces tactiles et sans contact |
| US8803848B2 (en) | 2007-12-17 | 2014-08-12 | Victor Manuel SUAREZ ROVERE | Method and apparatus for tomographic touch imaging and interactive system using same |
| US8982051B2 (en) | 2009-03-30 | 2015-03-17 | Microsoft Technology Licensing, Llc | Detecting touch on a surface |
| US9535547B2 (en) | 2009-08-07 | 2017-01-03 | Quickstep Technologies Llc | Device and method for control interface sensitive to a movement of a body or of an object and viewing screen integrating this device |
| US9640991B2 (en) | 2011-06-16 | 2017-05-02 | Quickstep Technologies Llc | Device and method for generating an electrical power supply in an electronic system with a variable reference potential |
| US10019103B2 (en) | 2013-02-13 | 2018-07-10 | Apple Inc. | In-cell touch for LED |
| US10120520B2 (en) | 2016-07-29 | 2018-11-06 | Apple Inc. | Touch sensor panel with multi-power domain chip configuration |
| US10133382B2 (en) | 2014-05-16 | 2018-11-20 | Apple Inc. | Structure for integrated touch screen |
| US10146359B2 (en) | 2015-04-28 | 2018-12-04 | Apple Inc. | Common electrode auto-compensation method |
| US10209813B2 (en) | 2013-12-13 | 2019-02-19 | Apple Inc. | Integrated touch and display architectures for self-capacitive touch sensors |
| US10386962B1 (en) | 2015-08-03 | 2019-08-20 | Apple Inc. | Reducing touch node electrode coupling |
| US10474287B2 (en) | 2007-01-03 | 2019-11-12 | Apple Inc. | Double-sided touch-sensitive panel with shield and drive combined layer |
| US10534472B2 (en) | 2014-11-05 | 2020-01-14 | Apple Inc. | Common electrode driving and compensation for pixelated self-capacitance touch screen |
| US10642418B2 (en) | 2017-04-20 | 2020-05-05 | Apple Inc. | Finger tracking in wet environment |
| 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 |
| US10949036B2 (en) | 2012-03-13 | 2021-03-16 | Quickstep Technologies Llc | Method of capacitive measurement by non regular electrodes, and apparatus implementing such a method |
| 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 |
Families Citing this family (32)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090237374A1 (en) * | 2008-03-20 | 2009-09-24 | Motorola, Inc. | Transparent pressure sensor and method for using |
| US9018030B2 (en) * | 2008-03-20 | 2015-04-28 | Symbol Technologies, Inc. | Transparent force sensor and method of fabrication |
| FR2934921B1 (fr) * | 2008-08-05 | 2010-09-24 | Stantum | Capteur tactile multicontacts a moyens d'espacement de taille et impedance variables |
| US8988191B2 (en) * | 2009-08-27 | 2015-03-24 | Symbol Technologies, Inc. | Systems and methods for pressure-based authentication of an input on a touch screen |
| US8963874B2 (en) | 2010-07-31 | 2015-02-24 | Symbol Technologies, Inc. | Touch screen rendering system and method of operation thereof |
| DE102011078127B4 (de) * | 2011-02-01 | 2018-06-14 | Johnson Controls Gmbh | Interaktive Anzeigeeinheit |
| DE102011011769A1 (de) | 2011-02-18 | 2012-08-23 | Fresenius Medical Care Deutschland Gmbh | Medizintechnisches Gerät mit Touchscreen und Verfahren |
| JP2015129978A (ja) * | 2012-04-25 | 2015-07-16 | シャープ株式会社 | タッチパネルモジュール、電子機器、及びタッチパネルモジュールの駆動方法 |
| US9487388B2 (en) | 2012-06-21 | 2016-11-08 | Nextinput, Inc. | Ruggedized MEMS force die |
| US9032818B2 (en) | 2012-07-05 | 2015-05-19 | Nextinput, Inc. | Microelectromechanical load sensor and methods of manufacturing the same |
| US9035752B2 (en) * | 2013-03-11 | 2015-05-19 | Amazon Technologies, Inc. | Force sensing input device under an unbroken exterior portion of a device |
| US20140359757A1 (en) * | 2013-06-03 | 2014-12-04 | Qualcomm Incorporated | User authentication biometrics in mobile devices |
| US9323393B2 (en) | 2013-06-03 | 2016-04-26 | Qualcomm Incorporated | Display with peripherally configured ultrasonic biometric sensor |
| US9262003B2 (en) * | 2013-11-04 | 2016-02-16 | Qualcomm Incorporated | Piezoelectric force sensing array |
| CA2914491C (fr) * | 2013-07-15 | 2019-06-04 | Qualcomm Incorporated | Procede et circuit integre permettant de faire fonctionner un reseau de capteurs |
| CN105934661B (zh) | 2014-01-13 | 2019-11-05 | 触控解决方案股份有限公司 | 微型强化圆片级mems力传感器 |
| KR102187680B1 (ko) * | 2014-02-13 | 2020-12-07 | 엘지이노텍 주식회사 | 터치 윈도우 |
| US10466119B2 (en) | 2015-06-10 | 2019-11-05 | Nextinput, Inc. | Ruggedized wafer level MEMS force sensor with a tolerance trench |
| TWI581169B (zh) * | 2016-04-28 | 2017-05-01 | 友達光電股份有限公司 | 雙模式電容觸控顯示面板 |
| CN106129091A (zh) * | 2016-07-22 | 2016-11-16 | 京东方科技集团股份有限公司 | 一种电致发光显示面板及电致发光显示装置 |
| KR102568386B1 (ko) * | 2016-09-30 | 2023-08-21 | 삼성디스플레이 주식회사 | 터치 센서를 포함하는 표시 장치 |
| US11243125B2 (en) | 2017-02-09 | 2022-02-08 | Nextinput, Inc. | Integrated piezoresistive and piezoelectric fusion force sensor |
| EP4701393A2 (fr) | 2017-02-09 | 2026-02-25 | Nextinput, Inc. | Capteurs de force numériques intégrés et procédés de fabrication associés |
| EP3655740A4 (fr) | 2017-07-19 | 2021-07-14 | Nextinput, Inc. | Empilement de transfert de contrainte dans un capteur de force mems |
| WO2019023309A1 (fr) | 2017-07-25 | 2019-01-31 | Nextinput, Inc. | Capteur de force et d'empreintes digitales intégré |
| US11243126B2 (en) | 2017-07-27 | 2022-02-08 | Nextinput, Inc. | Wafer bonded piezoresistive and piezoelectric force sensor and related methods of manufacture |
| CN107562271A (zh) * | 2017-08-30 | 2018-01-09 | 广东深越光电技术有限公司 | 一种能检测多点触摸的压力信号的触摸显示装置 |
| US11579028B2 (en) | 2017-10-17 | 2023-02-14 | Nextinput, Inc. | Temperature coefficient of offset compensation for force sensor and strain gauge |
| US11385108B2 (en) | 2017-11-02 | 2022-07-12 | Nextinput, Inc. | Sealed force sensor with etch stop layer |
| WO2019099821A1 (fr) | 2017-11-16 | 2019-05-23 | Nextinput, Inc. | Atténuateur de force pour capteur de force |
| US10962427B2 (en) | 2019-01-10 | 2021-03-30 | Nextinput, Inc. | Slotted MEMS force sensor |
| IT201900001925A1 (it) | 2019-02-11 | 2020-08-11 | St Poligrafico E Zecca Dello Stato S P A | Matrice di sensori e procedimento per la sua fabbricazione |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1999038149A1 (fr) * | 1998-01-26 | 1999-07-29 | Wayne Westerman | Procede et dispositif d'integration d'entree manuelle |
| US20030227441A1 (en) * | 2002-03-29 | 2003-12-11 | Kabushiki Kaisha Toshiba | Display input device and display input system |
| WO2005008462A2 (fr) * | 2003-07-21 | 2005-01-27 | Koninklijke Philips Electronics N.V. | Dispositif portable et son ecran tactile |
| WO2005020058A1 (fr) * | 2003-08-23 | 2005-03-03 | Koninklijke Philips Electronics N.V. | Dispositif d'affichage a matrice active et a entree tactile |
| WO2005020059A2 (fr) * | 2003-08-23 | 2005-03-03 | Koninklijke Philips Electronics N.V. | Dispositif d'affichage a matrice active et a entree tactile |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001075074A (ja) * | 1999-08-18 | 2001-03-23 | Internatl Business Mach Corp <Ibm> | タッチセンサ一体型液晶表示素子 |
| AU2003208553A1 (en) * | 2002-04-15 | 2003-10-27 | Koninklijke Philips Electronics N.V. | Touch sensitive display device |
| US7609360B2 (en) * | 2002-06-17 | 2009-10-27 | Fujifilm Corporation | Image display device |
| AU2003227020A1 (en) * | 2003-02-27 | 2004-09-17 | Bang And Olufsen A/S | Metal structure with translucent region |
| KR101205539B1 (ko) * | 2006-02-20 | 2012-11-27 | 삼성디스플레이 주식회사 | 액정표시패널 및 이를 갖는 액정표시장치 |
-
2006
- 2006-06-28 FR FR0605828A patent/FR2903207B1/fr not_active Expired - Fee Related
-
2007
- 2007-06-28 EP EP07803805A patent/EP2033077A1/fr not_active Withdrawn
- 2007-06-28 WO PCT/FR2007/001096 patent/WO2008000964A1/fr not_active Ceased
- 2007-06-28 US US12/306,802 patent/US20100066686A1/en not_active Abandoned
- 2007-06-28 CN CNA2007800321848A patent/CN101512467A/zh active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1999038149A1 (fr) * | 1998-01-26 | 1999-07-29 | Wayne Westerman | Procede et dispositif d'integration d'entree manuelle |
| US20030227441A1 (en) * | 2002-03-29 | 2003-12-11 | Kabushiki Kaisha Toshiba | Display input device and display input system |
| WO2005008462A2 (fr) * | 2003-07-21 | 2005-01-27 | Koninklijke Philips Electronics N.V. | Dispositif portable et son ecran tactile |
| WO2005020058A1 (fr) * | 2003-08-23 | 2005-03-03 | Koninklijke Philips Electronics N.V. | Dispositif d'affichage a matrice active et a entree tactile |
| WO2005020059A2 (fr) * | 2003-08-23 | 2005-03-03 | Koninklijke Philips Electronics N.V. | Dispositif d'affichage a matrice active et a entree tactile |
Cited By (40)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11112904B2 (en) | 2007-01-03 | 2021-09-07 | Apple Inc. | Double-sided touch-sensitive panel with shield and drive combined layer |
| US10474287B2 (en) | 2007-01-03 | 2019-11-12 | Apple Inc. | Double-sided touch-sensitive panel with shield and drive combined layer |
| US9836149B2 (en) | 2007-12-17 | 2017-12-05 | Victor Manuel SUAREZ ROVERE | Method and apparatus for tomographic tough imaging and interactive system using same |
| US8803848B2 (en) | 2007-12-17 | 2014-08-12 | Victor Manuel SUAREZ ROVERE | Method and apparatus for tomographic touch imaging and interactive system using same |
| US11294503B2 (en) | 2008-01-04 | 2022-04-05 | Apple Inc. | Sensor baseline offset adjustment for a subset of sensor output values |
| US8421483B2 (en) | 2008-06-13 | 2013-04-16 | Sony Ericsson Mobile Communications Ab | Touch and force sensing for input devices |
| WO2009150498A3 (fr) * | 2008-06-13 | 2010-08-12 | Sony Ericsson Mobile Communications Ab | Détection de toucher et de force pour dispositifs d'entrée |
| CN102144207A (zh) * | 2008-08-05 | 2011-08-03 | 斯坦图姆公司 | 根据二分法原理的多触点触摸传感器的采集和分析方法、实施该方法的电子电路和多触点触摸传感器 |
| US8982051B2 (en) | 2009-03-30 | 2015-03-17 | Microsoft Technology Licensing, Llc | Detecting touch on a surface |
| US9317140B2 (en) | 2009-03-30 | 2016-04-19 | Microsoft Technology Licensing, Llc | Method of making a multi-touch input device for detecting touch on a curved surface |
| EP2443535A4 (fr) * | 2009-06-19 | 2013-01-23 | Microsoft Corp | Détection de contact sur une surface courbée |
| WO2010147692A1 (fr) | 2009-06-19 | 2010-12-23 | Microsoft Corporation | Détection de contact sur une surface courbée |
| US9535547B2 (en) | 2009-08-07 | 2017-01-03 | Quickstep Technologies Llc | Device and method for control interface sensitive to a movement of a body or of an object and viewing screen integrating this device |
| US10007388B2 (en) | 2009-08-07 | 2018-06-26 | Quickstep Technologies Llc | Device and method for control interface sensitive to a movement of a body or of an object and viewing screen integrating this device |
| US10503328B2 (en) | 2011-06-16 | 2019-12-10 | Quickstep Technologies Llc | Device and method for generating an electrical power supply in an electronic system with a variable reference potential |
| US9640991B2 (en) | 2011-06-16 | 2017-05-02 | Quickstep Technologies Llc | Device and method for generating an electrical power supply in an electronic system with a variable reference potential |
| FR2985049A1 (fr) * | 2011-12-22 | 2013-06-28 | Nanotec Solution | Dispositif de mesure capacitive a electrodes commutees pour interfaces tactiles et sans contact |
| US10175832B2 (en) | 2011-12-22 | 2019-01-08 | Quickstep Technologies Llc | Switched-electrode capacitive-measurement device for touch-sensitive and contactless interfaces |
| US9250757B2 (en) | 2011-12-22 | 2016-02-02 | Nanotec Solution | Switched-electrode capacitive-measurement device for touch-sensitive and contactless interfaces |
| KR102195656B1 (ko) | 2011-12-22 | 2020-12-28 | 퀵스텝 테크놀로지스 엘엘씨 | 터치-감지 및 비접촉 인터페이스들을 위한 스위치된 전극 용량 측정 장치 |
| KR20190108177A (ko) * | 2011-12-22 | 2019-09-23 | 퀵스텝 테크놀로지스 엘엘씨 | 터치-감지 및 비접촉 인터페이스들을 위한 스위치된 전극 용량 측정 장치 |
| WO2013093327A1 (fr) * | 2011-12-22 | 2013-06-27 | Nanotec Solution | Dispositif de mesure capacitive a electrodes commutees pour interfaces tactiles et sans contact |
| US10949036B2 (en) | 2012-03-13 | 2021-03-16 | Quickstep Technologies Llc | Method of capacitive measurement by non regular electrodes, and apparatus implementing such a method |
| US10019103B2 (en) | 2013-02-13 | 2018-07-10 | Apple Inc. | In-cell touch for LED |
| US10809847B2 (en) | 2013-02-13 | 2020-10-20 | Apple Inc. | In-cell touch for LED |
| US10209813B2 (en) | 2013-12-13 | 2019-02-19 | Apple Inc. | Integrated touch and display architectures for self-capacitive touch sensors |
| US11086444B2 (en) | 2013-12-13 | 2021-08-10 | Apple Inc. | Integrated touch and display architectures for self-capacitive touch sensors |
| US10133382B2 (en) | 2014-05-16 | 2018-11-20 | Apple Inc. | Structure for integrated touch screen |
| US10936120B2 (en) | 2014-05-22 | 2021-03-02 | Apple Inc. | Panel bootstraping architectures for in-cell self-capacitance |
| US10534472B2 (en) | 2014-11-05 | 2020-01-14 | Apple Inc. | Common electrode driving and compensation for pixelated self-capacitance touch screen |
| US10795488B2 (en) | 2015-02-02 | 2020-10-06 | Apple Inc. | Flexible self-capacitance and mutual capacitance touch sensing system architecture |
| US11353985B2 (en) | 2015-02-02 | 2022-06-07 | Apple Inc. | Flexible self-capacitance and mutual capacitance touch sensing system architecture |
| US12014003B2 (en) | 2015-02-02 | 2024-06-18 | Apple Inc. | Flexible self-capacitance and mutual capacitance touch sensing system architecture |
| US10146359B2 (en) | 2015-04-28 | 2018-12-04 | Apple Inc. | Common electrode auto-compensation method |
| US10386962B1 (en) | 2015-08-03 | 2019-08-20 | Apple Inc. | Reducing touch node electrode coupling |
| US10459587B2 (en) | 2016-07-29 | 2019-10-29 | Apple Inc. | Touch sensor panel with multi-power domain chip configuration |
| US10852894B2 (en) | 2016-07-29 | 2020-12-01 | Apple Inc. | Touch sensor panel with multi-power domain chip configuration |
| US10120520B2 (en) | 2016-07-29 | 2018-11-06 | Apple Inc. | Touch sensor panel with multi-power domain chip configuration |
| US10642418B2 (en) | 2017-04-20 | 2020-05-05 | Apple Inc. | Finger tracking in wet environment |
| US11662867B1 (en) | 2020-05-30 | 2023-05-30 | Apple Inc. | Hover detection on a touch sensor panel |
Also Published As
| Publication number | Publication date |
|---|---|
| EP2033077A1 (fr) | 2009-03-11 |
| FR2903207B1 (fr) | 2008-11-07 |
| FR2903207A1 (fr) | 2008-01-04 |
| CN101512467A (zh) | 2009-08-19 |
| US20100066686A1 (en) | 2010-03-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP2033077A1 (fr) | Capteur tactile multipoint a matrice active | |
| EP2748698B1 (fr) | Dispositif de mesure capacitive a electrodes commutees pour interfaces tactiles et sans contact | |
| WO2008139050A1 (fr) | Capteur multi-tactile transparent | |
| US10817116B2 (en) | Device for processing signals from a pressure-sensing touch panel | |
| TWI289926B (en) | Image reading apparatus and its driving method | |
| CN107004756B (zh) | 压电膜结构和传感器以及使用其的显示组件 | |
| TWI248035B (en) | Image reading apparatus | |
| EP1614023B8 (fr) | Dispositif de détection de position | |
| WO2010015749A1 (fr) | Capteur tactile multicontacts a moyens d'espacement de taille et impedance variables | |
| US20060262099A1 (en) | Touch-input active matrix display device | |
| FR2925717A1 (fr) | Capteur tactile transparent multicontatcs a base de depot surfacique metallise | |
| EP2401584A1 (fr) | Peau protectrice pour robots | |
| WO2009106738A1 (fr) | Capteur tactile multicontacts avec mode veille monocontact | |
| FR2954982A1 (fr) | Capteur tactile multicontacts a resistance de contact electrique elevee | |
| FR2971867A1 (fr) | Interface capacitive gestuelle a commutation de mode de mesure. | |
| WO2013057412A1 (fr) | Procède d'acquisition de données d'un capteur tactile matriciel, notamment pour un écran tactile | |
| KR20110123265A (ko) | 멀티포인트 센서 | |
| FR3051266B1 (fr) | Dispositif d'interface capacitive a structure d'electrodes mixtes, et appareil comprenant le dispositif | |
| FR2607289A1 (fr) | Dispositif du genre tablette graphique pour convertir un trace en donnees representatives dudit trace |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| WWE | Wipo information: entry into national phase |
Ref document number: 200780032184.8 Country of ref document: CN |
|
| 121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 07803805 Country of ref document: EP Kind code of ref document: A1 |
|
| NENP | Non-entry into the national phase |
Ref country code: DE |
|
| WWE | Wipo information: entry into national phase |
Ref document number: 2007803805 Country of ref document: EP |
|
| NENP | Non-entry into the national phase |
Ref country code: RU |
|
| WWE | Wipo information: entry into national phase |
Ref document number: 12306802 Country of ref document: US |