1
Ivan Poupyrev, Eijiro Mori, Carsten Schwesig, Junichi Rekimoto: User interface apparatus and portable information apparatus. Sony Corporation, Bell Boyd & Lloyd, November 25, 2008: US07456823 (115 worldwide citation)

A user interface apparatus has a flexible part including a one-dimensional analog sensor for sensing distortion of the flexible part, and a processor unit for detecting one of input states based on a value of the detected distortion and having a task run. The task relates to a selected input state. ...


2
Harald Philipp: Touchscreen electrode configuration. Atmel Corporation, Baker Botts, December 3, 2013: US08599150 (113 worldwide citation)

A touchscreen includes touchscreen electrode elements distributed across an active area of a substrate, and the touchscreen overlays a display. The touchscreen electrode elements are configured to avoid creating moiré patterns between the display and the touchscreen, such as angled, wavy, zig-zag, o ...


3
Ilya Daniel Rosenberg, John Aaron Zarraga: Capacitive touch sensor system and method. Sensel, James R Gourley, Kevin M Klughart, Carstens & Cahoon, October 4, 2016: US09459746 (79 worldwide citation)

A capacitive touch sensor system and method incorporating an interpolated sensor array is disclosed. The system and method utilize a touch sensor array (TSA) configured to detect proximity/contact/pressure (PCP) via a variable impedance array (VIA) electrically coupling interlinked impedance columns ...


4
Yasuo Oda, Yoshihisa Sugiyama: Pointer detection apparatus and pointer detection method. Wacom, Seed IP Law Group PLLC, October 13, 2015: US09158418 (78 worldwide citation)

Disclosed herein is a pointer detection apparatus, including: a conductor pattern including a plurality of first conductors disposed in a first direction and a plurality of second conductors disposed in a second direction; a multi-frequency signal production circuit configured to produce a plurality ...


5
Oliver P King Smith, Bernardus H Smit, Peyman Hadizad: Combination touch and transducer input system and method. Wacom, Seed IP Law Group, November 15, 2016: US09495037 (77 worldwide citation)

A combination touch and transducer input system is provided, which facilitates user input into an electronic system with a finger and/or a transducer (e.g., a stylus). The system includes a transducer configured to generate an electric field, and a sensor including an array of electrodes and a contr ...


6
M Benton Free, Bernard O Geaghan, Karl P Hauck, Billy Lee Weaver: Touch location sensing system and method employing sensor data fitting to a predefined curve. 3M Innovative Properties Company, Robert S Moshrefzadeh, December 1, 2015: US09201556 (77 worldwide citation)

Methods and devices for determining the location of a touch implement relative to a touch locating sensing device involve developing touch signals at a touch sensor in response to a touch implement on or near the touch surface. Data associated with the touch signals is fitted to a predefined curve. ...


7
Luben Hristov: Two-dimensional position sensor. Atmel Corporation, Schwegman Lundberg & Woessner P A, October 26, 2010: US07821502 (77 worldwide citation)

A capacitive position sensor for determining the position of an object along first and second directions is described. The sensor comprises a substrate having an arrangement of electrodes mounted on a single surface thereof. The electrodes are arranged so as to define an array of sensing cells arran ...


8
Chun Hsiao Wang: Electromagnetic sensing touch screen. NETIO TECHNOLOGIES, Lin & Associates IP, October 13, 2015: US09158427 (76 worldwide citation)

The present invention discloses an electromagnetic sensing touch screen, which includes a display panel, a sensing capacitor matrix, select units, voltage controlled oscillators (VCOs), digital potentiometers, EM (electromagnetic) wave receive/detection units, a standard EM wave transmit unit and a ...


9
Roger Lee Asbill: Resistive touch pad with multiple regions of sensitivity. International Business Machines Corporation, Duke W Yee, Jason O Piche, Theodore D Fay III, October 30, 2007: US07289111 (61 worldwide citation)

A touch pad for a data processing system includes a first film and an electrically conductive first thin film above the first film, a plurality of electrically non-conductive spacer dots above the first thin film, a second electrically conductive thin film above the plurality of spacer dots, and a s ...


10
Yu Tuan Lee: LCD and touch-control method thereof. Gigno Technology, Birch Stewart Kolasch & Birch, May 27, 2008: US07379054 (60 worldwide citation)

A touch-control method of an LCD is provided. During the idling time in-between the writing periods, the first touch-position sensing step detects the values of liquid crystal capacitances formed between the scan lines and the counter electrode, and detects a scan-line-direction touch position (Y) a ...