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...that after Walter Hunt patented the safety pin in 1849, he sold the rights to it for $400?
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| Number | Title | Issue Date |
| 7355592 | Digital resistive type touch panel and fabrication method thereof A display device integrated with a touch panel is disclosed, which can use various types of input devices. Thus, in addition to conductive devices, a gloved hand or a non-conductive stylus pen can be used as an input. The touch panel includes a supporting substrate;... | 04/08/2008 |
| 7348964 | Single-piece top surface display layer and integrated front cover for an electronic device A single-piece top surface display and integrated front cover for an electronic device. In one embodiment, the cover comprises a thin, flexible, transparent layer coupled with a supporting structure. The flexible layer is supported above a display screen which is co... | 03/25/2008 |
| 7339579 | Wiring harness and touch sensor incorporating same A wiring harness and a touch sensor incorporating same are disclosed. The touch sensor includes a sensing electrode disposed in a touch sensitive area. The touch sensor further includes a plurality of auxiliary electrodes disposed on a self-supporting dielectric sub... | 03/04/2008 |
| 7224953 | Receiving device and television receiver A receiving device in which the shielding performance is improved to solve a pulling problem in a receiving device of a direct conversion system is provided. The receiving device includes: a substrate on which an amplifier 30 that amplifies high freque... | 05/29/2007 |
| 7187366 | Input system with detection of coordinates A coordinate detection input system includes two first elongated electric conductors with an insulation grounding device respectively, a control circuit and two elongated electric conductors with another insulation grounding device respectively. The two elongated el... | 03/06/2007 |
| RE39475 | Digitizer having flat tablet with magnetic shield plate A digitizer for determining coordinate value of a point designated on a given two-dimensional coordinate plane. A pointing instrument is manually operable to designate a point on the given two-dimensional coordinate plane of a tablet. The tablet includes a flat sens... | 01/23/2007 |
| 7053968 | Liquid crystal display device with touch panel and method of fabricating the same A liquid crystal display device with a touch panel and a method of fabricating the same are disclosed in the present invetion. The liquid crystal dispel device with a touch panel includes a liquid crystal display device displaying a picture image, a digitizer detect... | 05/30/2006 |
| 6937230 | Newton ring prevention film and touch panel A Newton ring prevention film comprising a transparent film in which projections are formed by surface roughening, a transparent film in which projections are formed by providing a projection coating layer, or either of these transparent films wherein a transparent ... | 08/30/2005 |
| 6927761 | Moisture deflector for capacitive NFI touch screens for use with bezels of conductive material A non-conductive barrier between a touch screen and a conductive bezel is described. The non-conductive barrier attaches to a capacitive touch screen and forms a lip over a grounded bezel. The non-conductive barrier is constructed of a material and dimension suffici... | 08/09/2005 |
| 6894682 | Connection structure for connecting between touch panel and external conductor Improves the connection between a touch panel and an external harness. A first electrode cable (11) and a third electrode cable (13) are disposed on a first ITO film (20) on a glass substrate (10) of a touch panel, and a second ele... | 05/17/2005 |
| 6784875 | Ruggedized, water sealed, security-enhanced touchpad assembly A touchpad assembly is ruggedizing and sealed against moisture. The assembly includes a touchpad that receives a user-generated data signal that is cable-coupled to a printed circuit board assembly (PCBA), which components are disposed upon a support lens. A shield ... | 08/31/2004 |
| 6756970 | Pen-based computer system The invention provides a liquid crystal, TFT display with driver lines folded around a light pipe and a digitizer. The digitizer has grid routing lines folded around a shield where the shield is connected to a shield of the computer system electronics. The display d... | 06/29/2004 |
| 6683601 | Electronic apparatus including pen Disclosed is a user-friendly electronic apparatus having a pen and a panel as the input devices. The pen is tethered to the apparatus by a cord on which position data is recorded along its length direction. Responding to the readout of the position data, ... | 01/27/2004 |
| 5574262 | Noise cancellation for non-ideal electrostatic shielding Cancellation of electrostatic noise in digitizing tablet having a shield supplying a signal proportional to the electrostatic noise which is subtracted from the information signal derived from a digitizing grid. A conductive transparent shield is interpos... | 11/12/1996 |
| 5486847 | Apparatus for a stylus input system for shielding RFI/EMI fields An apparatus for a pen-based input system, such as personal communication device or notepad computer, which shields against RFI/EMI fields causing problems either in the internal electronics or in the environment surrounding the system. A digitizer used i... | 01/23/1996 |
| 5457289 | Frontally shielded capacitive touch sensor system A frontally shielded capacitive touch sensor system includes a capacitive touch sensor having a touch sensitive surface; a front shield mounted in front of the touch sensor and extending peripherally about the surface surrounding an exposed accessible are... | 10/10/1995 |
| 5381160 | See-through digitizer with clear conductive grid A combined display and electromagnetic digitizing input device for pen-driven computers. There is a graphics display panel having a viewing surface and a back surface. A first grid of parallel transparent conductors for connection to electromagnetic digit... | 01/10/1995 |
| 5357061 | Digitizer tablet having high permeability grid shield A combined shield member and grid shield for a digitizer tablet having conductive grids on a flexible substrate comprising a sheet of a metal having a high magnetic permeability substantially the size of a square X-Y axis coordinate system of the digitize... | 10/18/1994 |
| 5274198 | Printed conductive ink electrostatic shield for electromagnetic digitizers In an electromagnetic digitizer tablet having a grid of receptor wire disposed below a working surface over which a cursor emanating a magnetic field detected by the receptor wires is moved, this invention is an improvement to reduce electrostatically-cau... | 12/28/1993 |
| 5218173 | Shielding materials for electromagnetic digitizers Shielding materials used in electromagnetic digitizers which are packaged in a notebook computer environment. Shielding materials with sufficiently high magnetic permeability to increase the magnetic signal detected by the digitizer sensor grid can be use... | 06/08/1993 |
| 5130500 | Digitizer having flat tablet with magnetic shield plate A digitizer for determining coordinate value of a point designated on a given two-dimensional coordinate plane. A pointing instrument is manually operable to designate a point on the given two-dimensional coordinate plane of a tablet. The tablet includes ... | 07/14/1992 |
| 4956526 | Digitizer having flat tablet with magnetic shield plate A digitizer for determining coordinate value of a point designated on a given two-dimensional coordinate plane. A pointing instrument is manually operable to designate a point on the given two-dimensional coordinate plane of a tablet. The tablet includes ... | 09/11/1990 |
| 4853497 | Shielding techique for digitizers A shield for use in eliminating edge effects from an electromagnetic digitizer having an active area of a grid of wires surrounded by a peripheral area of connecting wires containing sensitive interconnecting circuitry. The shield is a pan-shaped shield o... | 08/01/1989 |
| 4645869 | Digitizing tablet A flexible circuit (28) containing the grid connectors of a digitizer tablet (10) converge in a transition region (48) disposed in an unshielded area. However, the positional inaccuracies that would otherwise result from the exposure of the non-parallel c... | 02/24/1987 |
| 4636582 | Signal input sheet having a conductive shield layer The present invention discloses a sheet-like input device wherein a conductive layer and a resistance layer are arranged in an isolated state up and down, one layer of the conductive layer and the resistance layer which is at least positioned on the upper... | 01/13/1987 |
| 4497977 | Automatic coordinate determining device having electrostatic shielding An automatic coordinate determining device has a coordinate tablet comprised of a plurality of conductive lines, and a hand-held probe positionable relative to the tablet for inducing a signal in the conductive lines. A thin film of non-magnetic conductiv... | 02/05/1985 |
| 4194084 | Aperture capacitor pickup The location and shape of a region of capacitive coupling between two conductive surfaces is determined by a grounded shield interposed between the two surfaces. The shield has an aperture which limits and defines the region of capacitive coupling, betwee... | 03/18/1980 |
| 3974332 | Tablet for use in a coordinate digitizer A capacitively coupled tablet for use with an electrically conductive pen comprises segments each including at least one lattice point of a matrix which comprises groups of spaced conductors which are disposed along coordinate axes. The segments are mutua... | 08/10/1976 |
