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| Number | Title | Issue Date |
| 6522322 | Touch panel input device A transparent insulative liquid is sealed between two transparent plates that are coated with transparent conductor layers on their mutually facing surfaces of a touch panel input device. The facing surface of at least one of the transparent plates is rou... | 02/18/2003 |
| 6522320 | Cursor controller A cursor controller used to control displacement direction and speed of a cursor by changing equivalent capacitance comprises a conductive layer, two electrode layers and a press body. The electrode layers are attached to each face of the conductive layer... | 02/18/2003 |
| 6515654 | Touch-type pointing device with wireless input capability A touch-type pointing device with wireless input capability is disclosed, which includes a touch unit and a sensing pen. The touch unit has a transparent electrode and a control circuit connected to the transparent electrode for detecting a variance of im... | 02/04/2003 |
| 6507337 | Touch panel The primary object of the present invention is to provide a touch panel which has an excellent contact level between a undercoat layer and a substrate on which the undercoat layer is formed. The secondary object of the present invention to provide a touch... | 01/14/2003 |
| 6504531 | Detecting mechanical interactions A fabric-made position detector has a first fabric electrically conducting layer and a second fabric electrically conducting layer. The first electrically conducting layer has a first electrical contact and a second electrical contact and a second electri... | 01/07/2003 |
| 6501465 | Detector constructed from fabric using measured current to determine pressure A position detector is constructed from fabric having electrically conductive elements incorporated therein. It includes at least a first electrically conductive plane and a second electrically conductive plane, each conductive plane having at least two r... | 12/31/2002 |
| 6492980 | Multiplexing detector constructed from fabric A position detector is constructed from fabric and has electrically conductive elements. The detector is configured to produce electrical outputs in response to mechanical interactions, and is divided into several regions. Each of the regions includes a f... | 12/10/2002 |
| 6492979 | Dual sensor touchscreen utilizing projective-capacitive and force touch sensors A method and apparatus for discriminating against false touches in a touchscreen system is provided. The system is designed to confirm a touch registered by one touch sensor with another touch sensor, preferably of a different sensor type, prior to acting... | 12/10/2002 |
| 6489575 | Sensor panel position coordinates signal detecting circuit A position coordinates signal detecting circuit of a sensor panel is provided. The position coordinates signal detecting circuit of the sensor panel according to the present invention includes first through fourth resistors each of which has one end conne... | 12/03/2002 |
| 6483498 | Liquid crystal display with integrated resistive touch sensor A liquid crystal display, in accordance with the present invention, includes a first substrate having a first conductive layer formed thereon. A linearization pattern is formed on the first conductive layer for applying voltage gradients across the first ... | 11/19/2002 |
| 6476798 | Reduced noise touch screen apparatus and method A touch screen having a high or fine resolution at relatively low cost is provided. In one embodiment, electrodes are placed directly on the surface of a CRT screen without the need for an electrode positioned on the rear surface. The touch screen may inc... | 11/05/2002 |
| 6473074 | Coordinate data input device A coordinate data input device comprising a pair of detecting members, a spacer disposed between the detecting members, and a ground conductor element disposed between the detecting members. Each detecting member includes an insulating substrate, a resist... | 10/29/2002 |
| 6441807 | Display system A display system includes a sheet member onto which information is input, and a position coordinate detector such as a pressure sensitive touch panel. The position coordinate detector is formed as a body separate from the sheet member and is arranged behi... | 08/27/2002 |
| 6437258 | Detector constructed from fabric having planes with differing conductance A position detector is constructed from fabric having electrically conductive elements. The detector has at least two electrically conductive planes. An electrical potential is applied across one of the planes to determine the position to a mechanical int... | 08/20/2002 |
| 6424338 | Speed zone touchpad A touchpad pointing device dynamically adjusts cursor control gain characteristics based on the x-y coordinates at which the finger first touches the touchpad for a given cursor control task. In this manner, cursor control gain such as simple cursor track... | 07/23/2002 |
| 6424339 | Touch screen assembly A touch screen assembly for contact input systems, with the touch screen including a base substrate with an electrically resistive coating thereon. An array of reticulated spaced raised projections are formed on the inner surface, with the raised projecti... | 07/23/2002 |
| 6380930 | Laptop touchpad with integrated antenna An antenna for wireless communication into a touchpad module. A touchpad module, which can be inserted into an aperture in a laptop computer, includes a touch sensor for detecting touch in a touch sensor circuit for processing signals from the touch senso... | 04/30/2002 |
| 6373475 | Converter for resistive touchscreens A converter for connection between an electrographic sensor and an electrographic controller, and comprising: (a) a first set of contacts for connection to the sensor; (b) a second set of contacts for connection to the controller; and (c) an emulator for emulating ... | 04/16/2002 |
| 6369806 | Coordinate-detecting device and coordinate input pad for use in coordinate-detecting device A coordinate-detecting device of a voltage-detecting type, the device including: a coordinate input pad having an upper sheet and a lower sheet opposing each other at a predetermined gap, the sheets being in electrical contact when there is a touch on the... | 04/09/2002 |
| 6369804 | Detector constructed from fabric having non-uniform conductivity A detector is constructed from fabric having electrically conductive elements to define at least two electrically conducting planes and configured to produce an electrical output in response to a mechanical interaction. A potential is applied across at le... | 04/09/2002 |
| 6359616 | Coordinate input apparatus A coordinate input apparatus for correcting the shift in an input coordinate system between different coordinate input apparatuses relative to an opening of each apparatus. A data processing block captures information from a coordinate detector PD to dete... | 03/19/2002 |
| 6333736 | Detector constructed from fabric The position of a mechanical interaction in a sensor constructed from fabric is detected. A substantially constant electric current is established through elements of the fabric. A first electrical potential developed in a first plane is measured in respo... | 12/25/2001 |
| 6307166 | Coordinate input device having high transmittance A coordinate input device includes an upper electrode composed of a transparent resistive layer formed on the lower surface of a flexible transparent film, a lower electrode composed of a transparent resistive layer formed on the upper surface of a substr... | 10/23/2001 |
| 6278443 | Touch screen with random finger placement and rolling on screen to control the movement of information on-screen A computer controlled display system with a user interactive touch screen is provided with an on-screen mouse to which user input may be applied by rolling of the touch finger to thereby move displayed information: the pointer or scrolled information on t... | 08/21/2001 |
| 6278068 | Integrated technique for filtering and measuring signals of four and five wire digitizers This invention describes a method and apparatus for filtering noise from a measurement of the X and Y coordinates of a resistive digitizer. The method applies to both four and five wire resistive digitizers biased with a DC voltage. The same filtering and... | 08/21/2001 |
| 6259043 | Methods, systems and products pertaining to a digitizer for use in paper based record systems Real time digitization of handwritten text and integration of digital recordation of handwritten text with traditional paper-based record making systems is achieved with a recording unit which may record a sequential data stream of strokes and associated ... | 07/10/2001 |
| 6255604 | Coordinate detecting device for outputting coordinate data when two points are simultaneously depressed, method therefor and computer control device In the coordinate detection of resistive film system, detection of the coordinates of simultaneously designated two points is made possible. On a touch panel composed of two conductive films, whether input is made in a point or simultaneously at two point... | 07/03/2001 |
| 6246394 | Touch screen measurement circuit and method A touch screen digitizing system includes a touch screen unit including a first resistive sheet with opposed x+ and x- terminals and a second resistive sheet with opposed y+ and y- terminals, and an ADC having first and second reference input terminals. A... | 06/12/2001 |
| 6225577 | Co-ordinates input device and a method for producing the same A co-ordinates input device having a transparent substrate member is composed of: a transparent substrate; an ITO film formed on a surface of the transparent substrate; a pair of electrodes formed at a given distance from each other on the ITO film; an op... | 05/01/2001 |
| 6208332 | Resistance film tablet system capable of rapidly detecting a position of contact and method of controlling the same In a resistance film tablet system which includes a pair of resistance films superposed on each other and spaced by a predetermined distance therebetween, a value measured at the previous detection is stored in a memory beforehand and is read out for bein... | 03/27/2001 |
| 6163313 | Touch sensitive screen and method A position touch sensor having a substrate and a resistive layer disposed on the substrate. At least one pair of electrodes is positioned on the resistive layer. A portion of one electrode is spaced from a portion of another electrode to produce an overla... | 12/19/2000 |
| 6151013 | Electrical probe-position sensor An improved position responsive sensor is disclosed comprising a substrate having first and second parallel, conductive strips at the edges in electrical contact with high resistance coating on the top surface and low resistance coating on the bottom surf... | 11/21/2000 |
| 6130665 | Touch screen handling The present invention discloses a data input device including a touch screen. The touch screen has two information display levels. A first level displays a virtual alphanumeric keypad which allows a user to input textual data by simply touching the screen... | 10/10/2000 |
| 6121959 | Display control device A monitor device capable of setting and adjusting various function items with an operation system having fewer number of keys and fitting an operation sense of a user. The movement of the cursor, and the change of the sound volume display and all kinds of... | 09/19/2000 |
| 6111564 | Coordinate input display apparatus and method for constructing the same A coordinate input display apparatus includes an input pad, such as a digitizer, disposed over a display unit, such as an LCD. In order to provide an improved visual display, a distance between the digitizer and the LCD is minimized, as is the thickness o... | 08/29/2000 |
| 6096984 | Adjustable touchpad A touchpad assembly capable of providing an operating surface of a touchpad in a plurality of operating positions. The operating assembly can be adjusted by changing the orientation of the operating surface of the touchpad or by changing the form of the o... | 08/01/2000 |
| 6091031 | Portable information terminal and an activating method thereof A portable information terminal is provided. The terminal includes a touch screen panel having an activation area and an activating unit. The activation unit activates the portable information terminal when the terminal is turned off and an activating pos... | 07/18/2000 |
| 6075521 | Coordinate input device A coordinate input device includes a casing having an upper surface and a lower surface which are not parallel to each other. A columnar position designating member is disposed within the casing. The angle of the position designating member as viewed from... | 06/13/2000 |
| 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 |
| 6016140 | Automatic touch screen calibration A system and method for automatically recalibrating a resistive touch screen. The resistance of a resistive touch screen layer is subject to change over time, while the resistance of silver bus bars connecting the resistive touch screen layer to analog-to... | 01/18/2000 |
