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"Transmission of documents via telephone wires is possible in principle, but the apparatus required is so expensive that it will never become a practical proposition."
Dennis Gabor, British physicist
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| Number | Title | Issue Date |
| 8164582 | Method and apparatus for calibrating targets on a touchscreen A method for using a touch display system comprises defining local distortion zones within regions of a touchscreen. Each of the local distortion zones has an associated calibration touch point and a target. Coordinates of a user touch point are distorted within a f... | 04/24/2012 |
| 8130212 | Contact-sensing device, mobile information terminal, and capacitance calibration program and method A contact-sensing device includes a capacitance contact-sensing unit including contact-sensing areas configured to at least detect contact with an external object; a calibration-value setting unit configured to set a calibration value to be used to calibrate capacit... | 03/06/2012 |
| 8120596 | Tiled touch system A tiled touch system comprises a display on which a computer-generated image is presented. The image is formed of an array of image segments. A digitizer is mapped to the display and senses pointer contacts made thereon. ... | 02/21/2012 |
| 8106893 | Sensing apparatus and method, and program therefor Human contact/non-contact is detected speedily and accurately. A measurement section measures capacitance of each of sites to which a plurality of electrodes are connected where a human body touches, a comparison section compares the capacitance with a threshold val... | 01/31/2012 |
| 8049740 | Method and apparatus for laplace constrained touchscreen calibration A computer readable medium has instructions to calibrate a touch system by detecting touch points on a touchscreen that are each associated with touchscreen coordinates in a touchscreen coordinate system. The instructions associated each of the touch points with kno... | 11/01/2011 |
| 8004503 | Auto-calibration of a touch screen Methods and systems are provided for automatically calibrating a pointing device, such as a stylus, with a writing surface, such as a touch screen. In one example, an automated method is implemented to calibrate the writing surface based user inputs attempting to us... | 08/23/2011 |
| 7990368 | Method for calibrating coordinates of touch screen A method for calibrating coordinates of a touch screen includes the steps of: providing a display panel, which includes display coordinates along a first axis and a first axis display coordinate; providing a capacitive sensor, which includes sensing electrodes dispo... | 08/02/2011 |
| 7920134 | Periodic sensor autocalibration and emulation by varying stimulus level The automatic calibration of a sensor panel is disclosed by varying the amplitude of an input stimulus Vstim to simulate a full-touch condition and calibrating each pixel of the sensor panel in accordance with the difference between the simulated full-touch conditio... | 04/05/2011 |
| 7646380 | Correction of alignment and linearity errors in a stylus input system A method and system for correcting alignment and linearity errors in devices using a finger or stylus input device with a display device interactively coupled to a digitizer is disclosed. Touching intersections in a calibration grid on the display device may be perf... | 01/12/2010 |
| 7576733 | Touch screen image setting frame A touch screen image setting frame configured to be placed over a monitor having a touch screen overlay, including an inner perimeter that defines an opening in the touch screen image setting frame, an outer perimeter disposed parallel to the inner perimeter, at lea... | 08/18/2009 |
| 7436393 | Touch panel for display device A touch panel for a display device integrates functionality provided by resistive-type and EM-type touch panels. The touch panel is integrated with the display device and includes a resisitve-type touch panel arranged above the display device and an EM-type touch pa... | 10/14/2008 |
| 7423636 | Touch panel device and method for manufacturing touch panel devices Each of transducers of a touch panel device includes a piezoelectric thin film, a plate electrode disposed at one surface of the piezoelectric thin film and a comb-like electrode disposed at the other surface of the piezoelectric thin film. The comb-like electrode h... | 09/09/2008 |
| 7421337 | System for determining a route A system for determining a route is provided. The system comprises a map of a geographic area, a sensing device and a computer system. The map includes coded data indicative of the map and a plurality of reference points on the map. The sensing device is operable to... | 09/02/2008 |
| 7385594 | Position encoded sensing device and a method thereof A position encoded sensing device having a display panel, a light guiding layer disposed on the display panel. The light guiding layer is configured to have encoded information therein. In addition, the position encoded sensing device includes a transceiver for dete... | 06/10/2008 |
| 7368921 | Printed capacitive sensor The invention relates to a flexible, resilient capacitive sensor suitable for large-scale manufacturing. The sensor includes a dielectric, an electrically conductive detector and trace layer on the first side of the dielectric layer comprising a detector and trace, ... | 05/06/2008 |
| 7365031 | Conductive pressure sensitive textile A fabric including within its construction a first elongated electrical conductor crossed by a second elongated electrical conductor, the conductors being normally biased apart at a crossover point of said fibres with an air gap between them, whereby application of ... | 04/29/2008 |
| 7362313 | Touch simulation system and method Systems and methods provide for simulating an effective touch on a touch screen sensor. A touch screen sensor includes a first surface, an opposing second surface, and one or more electrodes disposed on or proximate to the second surface. Signals are applied to the ... | 04/22/2008 |
| 7359999 | Inputting method and device with a flat input having sensor capable of coordinate touch input wherein display is switchable based on touch pressure An input device includes a flat first input unit for a first input operation, a second input unit for a second input operation, a display unit having a display portion displaying data, and a control unit controlling each unit. The control unit gives an operator feed... | 04/15/2008 |
| 7355593 | Pointer tracking across multiple overlapping coordinate input sub-regions defining a generally contiguous input region A touch system comprises overlapping coordinate input sub-regions defining a generally contiguous input surface. Each coordinate input sub-region generates pointer coordinate data in response to pointer contacts thereon. When a pointer contact is made on a region of... | 04/08/2008 |
| 7352364 | Method for toggling between touch control operation modes This invention relates to a method for toggling between operation modes of a touch control device, being applied in an electronic data processing device with a touch control device and providing an electronic data processing device capable of toggling its operation ... | 04/01/2008 |
| 7352355 | Transparent overlay input device A transparent overlay input device includes a transparent non-conductive substrate, a plurality of transparent conductive electrode pairs and a transparent non-conductive cover. The plurality of transparent conductive electrode pairs are formed on the substrate and ... | 04/01/2008 |
| 7348966 | Digital resistive-type touch panel A digital resistive-type touch panel includes first and second transparent substrates opposing each other; a plurality of first transparent electrodes extending along a surface of the first transparent substrate; a plurality of second transparent electrodes extendin... | 03/25/2008 |
| 7342572 | System and method for transforming an ordinary computer monitor into a touch screen A system and method for turning a regular computer monitor screen into a touch screen using an ordinary camera. It includes an image-screen mapping procedure to correct for the non-flatness of the computer screen. It also includes a segmentation method to distinguis... | 03/11/2008 |
| 7327353 | Computer system and related method for calibrating a digitizer without utilizing calibration software A computer system includes a screen for displaying images, a central processing unit (CPU) for controlling the operation of the computer system, an on-screen display (OSD) circuit electrically connected to the CPU and the screen for controlling the screen to display... | 02/05/2008 |
| 7324093 | Flexible screen display with touch sensor in a portable computer A user interface for a portable electronic device comprising a flexible display panel and a flexible touch sensor. The flexible touch sensor is operable to register a position where contact is made with a surface of the flexible display panel, such that the position... | 01/29/2008 |
| 7310082 | Computer display having display direction control A display has a display part displaying an image signal, an image signal processor providing the image signal to the display part, a pen sensor sensing at least two locations on a main body of the pen positioned on the display part and generating a first pen sensor ... | 12/18/2007 |
| 7304629 | Video information display system and display apparatus applicable to the same A display apparatus includes a plurality of display systems each having a light source, a reflection type liquid crystal panel and an optical system, a screen displaying superimposingly the images obtained from the plurality of display systems, and a selector for se... | 12/04/2007 |
| 7301351 | Printed capacitive sensor The invention relates to a flexible, resilient capacitive sensor suitable for large-scale manufacturing. The sensor comprises a dielectric, an electrically conductive detector and trace layer on the first side of the dielectric layer comprising a detector and trace,... | 11/27/2007 |
| 7293233 | Method and system for capturing a note-taking session using processing sensor A system and method capturing, in a computer system, data relating to a note-taking session, the session consisting of handwritten annotations made by a user by way of a writing implement on a plurality of pages. The method includes the steps of receiving, in the co... | 11/06/2007 |
| 7293234 | Method and system for capturing a note-taking session using sensor with identifier A system and method capturing, in a computer system, data relating to a note-taking session, the session consisting of handwritten annotations made by a user by way of a writing implement on a plurality of pages. The method includes the steps of receiving, in the co... | 11/06/2007 |
| 7289113 | Projection display system with pressure sensing at screen, and computer assisted alignment implemented by applying pressure at displayed calibration marks An interactive display system comprising a touch sensitive display surface for sensing pressure applied thereto and in response generating control signals indicating locations of the applied pressure, a personal computer for receiving the control signals and in resp... | 10/30/2007 |
| 7290210 | Method and system for capturing a note-taking session using coded marks A system and method capturing, in a computer system, data relating to a note-taking session, the session consisting of handwritten annotations made by a user by way of a writing implement on a plurality of pages. The method includes the steps of receiving, in the co... | 10/30/2007 |
| 7289112 | Presentation device A presentation device for generating a virtual screen used for performing a pointing operation, has a photographing section of which an angle of view can be adjusted by operating a zoom function and a pan-and-tilt mechanism, a monitor for a presenter, displaying an ... | 10/30/2007 |
| 7289111 | Resistive touch pad with multiple regions of sensitivity 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... | 10/30/2007 |
| 7283128 | Coordinate input apparatus and control method and program thereof A coordinate input apparatus includes a light-receiving unit arranged in a coordinate input region, a reflection unit arranged at the peripheral portion of the coordinate input region to reflect incident light, and a light-emitting unit which illuminates the coordin... | 10/16/2007 |
| 7276917 | Printed capacitive sensor The invention relates to a flexible, resilient capacitive sensor suitable for large-scale manufacturing. The sensor includes a dielectric, an electrically conductive detector and trace layer on the first side of the dielectric layer including a detector and trace, a... | 10/02/2007 |
| 7274353 | Capacitive touchpad integrated with key and handwriting functions A capacitive touchpad integrated with key and handwriting functions is provided for operation in key, handwriting and mouse modes. Several regions are defined on the panel of the touchpad and have several patterns printed thereon for the operation modes thereby. In ... | 09/25/2007 |
| 7265303 | Electromagnetic digitizer sensor array An electromagnetic digitizer arrangement that may include a comb-like pattern of sensing traces that form various sensing loops depending upon the configurations of various switches is described. The comb arrangement of traces may be fabricated using only a single l... | 09/04/2007 |
| 7262764 | Universal computing device for surface applications A universal input device for use with a surface, such as a whiteboard, is provided. The universal input device can be used to control various computing devices as well as capture handwritten electronic ink and have the electronic ink be associated with new or stored... | 08/28/2007 |
| 7256772 | Auto-aligning touch system and method A touch system includes a touch surface on which an image is, displayed and at least one camera acquiring images of the touch surface. A pointer contact data generator generates pointer position data in response to pointer contact with the touch surface. The pointer... | 08/14/2007 |
