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| Number | Title | Issue Date |
| 7439961 | Apparatus and method for driving touch panel device A driving apparatus of a touch panel includes a touch panel for generating a coordinate signal according to a position of a contact point, at least two interface integrated circuits connected to the touch panel, a computer system driving the touch panel and connecte... | 10/21/2008 |
| 7327354 | Low power dissipation touch plane interface circuit A method of determining a type of touch plane operator input device comprises sensing the impedance across first and second terminals of a touch plane operator input device to distinguish the touch plane operator input device as being one of at least two different t... | 02/05/2008 |
| 7312788 | Gesture-based input device for a user interface of a computer The gesture-based input device for a user interface of a computer comprises two pairs of electrodes scalable for any screen size wherein the electrodes are arranged to capture the quasi-electrostatic field surrounding the user in order for the graphic user interface... | 12/25/2007 |
| 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 |
| 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 |
| 7259573 | Surface capacitance sensor system using buried stimulus electrode A surface capacitance sensor system is implemented as an array of sensor electrodes near the surface of the integrated circuit and an array of stimulus electrodes below the sensor electrodes. Rows of stimulus electrodes are driven by sources while the voltages at th... | 08/21/2007 |
| 7239227 | Command interface using fingerprint sensor input system A substrate having a fingerprint sensing system usable as a command interface using finger movements. A user's fingerprint pattern is recognized and compared to previously stored reference patterns. If the fingerprint pattern matches a previously stored pattern, the... | 07/03/2007 |
| 7227538 | Touch sensor with linearized response A pattern for linearizing an electric field and a touch sensor incorporating same are disclosed. The touch sensor includes an electrically resistive film that covers a touch sensitive area. The touch sensor further includes two or more substantially parallel polygon... | 06/05/2007 |
| 7209125 | Method for driving a touch panel device A method for driving a touch panel that detects and compensates a double touch includes sequentially inputting coordinate values of touched points on the touch panel at predetermined time intervals, measuring a variation of the inputted coordinate values, determinin... | 04/24/2007 |
| 7199788 | Pointing input device The present invention provides a pointing input device, which sequentially outputs pointing position data indicating a pointing input position and push detection data from a push by the same pen or finger used for a pointing input. The pointing input device includes... | 04/03/2007 |
| 7190352 | Method and apparatus of electrotactile panel with pointing system An electro-tactile panel (ETP) apparatus for a display panel is disclosed. The ETP apparatus is composed of three major parts: a controller, a panel, and a holder. The panel consists of four layer made of transparent material. The first layer is an insulating substr... | 03/13/2007 |
| 7187369 | Acoustic touch sensor A coordinate input device of touch-type capable of giving an electric signal to a transducer, even if said transducer is disposed on a back surface of a substrate. The device contains acoustic wave transducers (piezoelectric vibrators), each functioning for oscillat... | 03/06/2007 |
| 7174793 | Sensor sheet In a sensor sheet of the present invention, a large number of sensor cells, each having capacitance element electrodes corresponding to an X-axis direction, a Y-axis direction and a Z-axis direction and a displacement electrode arranged to form capacitance elements ... | 02/13/2007 |
| 7176902 | Wake-on-touch for vibration sensing touch input devices Bending wave vibrations propagating in a substrate of a touch input device are sensed. Provision is made for discriminating between sensed vibrations propagating in the substrate indicative of an intended touch and sensed vibrations propagating in the substrate indi... | 02/13/2007 |
| 7173608 | Bluetooth-enabled pen The method and system of the present invention allows a user to make notes on a paper book, where the information is transmitted to and overlaid on an online electronic duplicate of the book through a Bluetooth-enabled pen. The system and method of the present inven... | 02/06/2007 |
| 7170017 | Coordinate detecting method and system for touch panel The invention relates to a coordinate detecting method for a touch panel. Firstly, a plurality of X-axis and Y-axis I/O ports are converted to a plurality of X-axis and Y-axis scanning wires respectively by orthogonal method. Polling signals are transmitted to X-axi... | 01/30/2007 |
| 7145555 | Stylus input device utilizing a permanent magnet A stylus that operates utilizing magnetic fields, wherein a permanent magnet is disposed within a passive stylus that is detectable by a plurality of magnetic sensors that remove the magnetic field of the stylus from the earth's relative magnetic field to thereby ob... | 12/05/2006 |
| 7110576 | System and method for authenticating a mailpiece sender A method and system for authenticating the sender of a mailpiece is described for identifying certain mailpieces as originating from known trusted senders. In one configuration, biometric information and/or biometric metadata is captured when a user writes on a mail... | 09/19/2006 |
| 7084860 | Method and apparatus for a touch sensitive system employing direct sequence spread spectrum (DSSS) technology A touch sensing apparatus for receiving input from one or more touch stimulating devices employs a direct sequence spread spectrum (DSSS) signaling arrangement to transmit signals from the touch stimulating devices for identification and location determination. Acti... | 08/01/2006 |
| 7082213 | Method for identity verification The method for identity verification employs biometric technology. Positioned at the center of the system is a stylus with any of a number of biometric properties or their combination or with one or more metric sensors, while the customer uses the stylus to sign his... | 07/25/2006 |
| 7079117 | Analog to digital converter controller A touch screen controller has a converter that digitizes analog input as a function of an interference signal generated by an underlying touch screen device. To that end, the touch screen controller includes a set of inputs for receiving the noted interference signa... | 07/18/2006 |
| 7071926 | Touch panel capable of wide-area inputting A wide range-inputable touch panel is provided which allows a larger amount of input operations to be made with one display operation on a screen, in which at least one bus bar and a transparent electrode on a conductive panel fronting the bus bar though spaces form... | 07/04/2006 |
| 7069357 | Touch sensor system A touch sensor system and a method of operating the system is provided to detect the touch of a person. An AC power source is provided with an isolated power supply connected to thereto with a DC voltage source output. The DC voltage source is referenced to ground. ... | 06/27/2006 |
| 7006078 | Apparatus and method for sensing the degree and touch strength of a human body on a sensor An improvement in sensor for detecting contact with a human resistive element is disclosed. This design uses additional components to avoid discharging capacitors through the human resistive element, thereby sparing the user the uncomfortable sensation associated th... | 02/28/2006 |
| 6977646 | Touch screen calibration system and method Disclosed is a touch screen calibration system and method that applies a signal to a the terminals of a touch screen and applies a calibration impedance to those terminals; the effect of the calibration impedance applied to the terminals is sensed; the X, Y position... | 12/20/2005 |
| 6941002 | Fingerprint reading device and method thereof A fingerprint reading system is provided, which is capable of enhancing versatility when actually used, increasing productivity and reducing costs. An illumination device emits the light from a rear surface side of an active matrix liquid crystal cell. A light guidi... | 09/06/2005 |
| 6930672 | Input processing method and input control apparatus An input processing method and input control apparatus that enable switching between normal operation and hovering operation to be accomplished with a very simple operation in an information processing apparatus that uses a touch input device such as a tablet or the... | 08/16/2005 |
| 6924442 | Electronic input apparatus and method thereof A pen input apparatus includes a plurality of penpoints for drawing tracks on a recording medium such as paper, and a selector for selecting a specific penpoint from the plurality of penpoints. The input apparatus including a type recognition unit for recognizing th... | 08/02/2005 |
| 6912280 | Keypad device A keypad device for a mobile telephone or other device utilizing a keypad or keyboard is comprised of a flexible substrate and a keypad cover. The flexible substrate includes a plurality of keys affixed to the surface as well as a plurality first conductive strips a... | 06/28/2005 |
| 6909426 | Tablet system with inductive loops and cord less-battery less pointer apparatus controlled by multi-channel switches set and method for transmitting and receiving its signal The purpose of the present invention is to reduce power consumption caused by controlling circuit in transmitting/receiving process between tablet system and cord less-battery less pointer apparatus. The present invention provides multi-channel switches set produced... | 06/21/2005 |
| 6703570 | Digital pen using ultrasonic tracking A digital pen that has a writing tip includes an ultrasonic (US) transducer on a pen body that generates frames of US pulses toward a receiver base in response to an infrared (IR) synchronizing signal from the base. The first pulse of a frame is adjusted ... | 03/09/2004 |
| 6624835 | System and method for noise reduction in touch screen system There is disclosed a system and method for noise reduction in touch screen systems. A touch screen system comprises an analog to digital converter capable of converting to digital signals analog signals from at least one analog resistive film in a touch s... | 09/23/2003 |
| 6618504 | Business management system A reading apparatus (10) comprising means for detecting pen point coordinate changes over time, for handwriting made by pen on writing media, and means for generating handwriting data indicating those coordinate changes for each writing medium, a characte... | 09/09/2003 |
| 6479768 | Precision data acquisition using magnetomechanical transducer Disclosed is a method and a device for obtaining precision data acquisition via hand writing/drawing without requiring the use of a transducer pad, the screen of a monitor, or a scanner. As such, writing/drawing can be applied to almost all kinds of mater... | 11/12/2002 |
| 6278444 | Low current four-wire interface for five-wire resistive touch-screen A method and apparatus for making a five-wire touch-screen compatible with a four-wire interface is provided. A non-microprocessor-based converter is used that can be integrated directly into the touch-screen housing or the screen-to-interface ribbon cabl... | 08/21/2001 |
| 6037930 | Multimodal touch sensitive peripheral device The present invention is to a touch sensitive intelligent multimodal peripheral device which includes a touch sensitive pad to which the operator applies a light pressure in a prescribed manner to effect cursor movement on a CRT screen or to input data to... | 03/14/2000 |
| 5977957 | Adaptive sampling of touch screen input A touch screen input device includes a display screen adapted for receiving a touch input from a user; mechanism for sampling the touch screen input at any one of a plurality of sampling rates; mechanism for storing a predetermined sampling rate for each ... | 11/02/1999 |
| 5955198 | Transparent touch panel This invention aims to offer a transparent touch panel that functions with a soft touching pressure by a pen or a finger, at the same time assures a long operating life. The transparent touch panel comprises a base plate having a transparent electro condu... | 09/21/1999 |
| 5869791 | Method and apparatus for a touch sensing device having a thin film insulation layer about the periphery of each sensing element A touch sensing device comprising a plurality of individually operable touch sensing elements having first and second overlapping and spaced conductive layers (12, 15) with the second conductive layer being displaceable towards the first conductive layer ... | 02/09/1999 |
| 5856639 | Pointer position detection system using a signal processor in the pointer A pointer position detection system for use in determining the position of a pointer relative to a tablet comprising a signal generating system coupled to the tablet for transmitting a driving signal, the signal generating system including a set of conduc... | 01/05/1999 |
