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Your search returned 87 patents.
( 345/182 in Current US Classification ) |
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| 1 |
| Patent ID | Title | Date Filed |
| 5432304 | Coordinate input apparatus with correction resistance for rectangular, spaced resistance surfaces
| May 20, 1994 |
| 5430462 | Image input device-integrated type display device
| December 6, 1993 |
| 5327163 | Display integrated type position reading apparatus
| November 23, 1992 |
| 5243452 | Liquid crystal display with pen-input capability
| December 6, 1991 |
| 5194852 | Electro-optic slate for direct entry and display and/or storage of hand-entered textual and graphic information
| June 16, 1989 |
| 5151688 | Input/output display panel with light pen
| April 16, 1990 |
| 5073770 | Brightpen/pad II
| August 3, 1990 |
| 5003167 | Document reader
| November 15, 1989 |
| 4977315 | Liquid crystal position determining system and wand device
| October 6, 1989 |
| 4872000 | Coordinate input apparatus
| July 20, 1987 |
| 4846694 | Computer controlled, overhead projector display
| June 20, 1988 |
| 4841290 | Display unit
| September 25, 1987 |
| 4794634 | Position-sensitive photodetector and light transmissive tablet and light-emitting pen
| August 13, 1986 |
| 4785564 | Electronic notepad
| December 20, 1982 |
| 4730186 | Input integrated flat panel display system
| April 19, 1985 |
| 4679909 | Liquid crystal input/output matrix panel
| June 17, 1985 |
| 4525707 | Gas panel interrogation by selective sustain
| December 31, 1981 |
| 4405921 | Liquid crystal display device
| May 11, 1981 |
| 4277783 | Light pen tracking method and apparatus
| July 2, 1979 |
| 4205304 | Two dimensional light beam selection system
| September 22, 1977 |
| 4188566 | Method for detecting coordinates of gas discharge panels and apparatus for carrying out the same
| December 20, 1977 |
| 4139803 | Method and apparatus for detecting the location of a light detecting pen on a gas discharge display panel
| November 12, 1976 |
| 4117471 | Light pen detection and tracking with AC plasma display panel
| August 18, 1976 |
| 4099170 | Light pen detection for plasma panels using specially timed and shaped scan pulses
| September 27, 1976 |
| 3976992 | Gas display panel with light pen
| January 3, 1975 |
| 3967267 | Light pen detection for plasma panels using specially timed scanning address pulses
| October 9, 1974 |
| 3958234 | Interactive stylus sensor apparatus for gas panel display
| June 23, 1975 |
| 3949391 | Plasma panel light pen tracking using adaptive tracking scan
| May 21, 1974 |
| 3938137 | Plasma panel light pen tracking using adaptive tracking scan
| May 21, 1974 |
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