|
| US4025946 | 22 Mar 1976 | 24 May 1977 | | Method and apparatus for generating graphic designs |
| US4232311 | 20 Mar 1979 | 4 Nov 1980 | Chyron Corporation | Color display apparatus |
| US4318096 | 19 May 1980 | 2 Mar 1982 | Xerox Corporation | Graphics pen for soft displays |
| US4346376 | 16 Apr 1980 | 24 Aug 1982 | Bell Telephone Laboratories, Incorporated | Touch position sensitive surface |
| US4355805 | 30 Sep 1977 | 26 Oct 1982 | Sanders Associates, Inc. | Manually programmable video gaming system |
| US4371893 | 3 Sep 1980 | 1 Feb 1983 | | Video communication system allowing graphic additions to the images communicated |
| US4484179 | 23 Dec 1981 | 20 Nov 1984 | AT&T Bell Laboratories | Touch position sensitive surface |
| US4499457 | 14 May 1982 | 12 Feb 1985 | Evans & Sutherland Computer Corp. | Shadow mask color system with calligraphic displays |
| US4514818 | 1 Dec 1981 | 30 Apr 1985 | Quantel Limited | Video image creation system which simulates drafting tool |
| US4542375 | 11 Feb 1982 | 17 Sep 1985 | AT&T Bell Laboratories | Deformable touch sensitive surface |
| US4561017 | 19 Aug 1983 | 24 Dec 1985 | | Graphic input apparatus |
| US4621257 | 15 Aug 1983 | 4 Nov 1986 | AT&T Bell Laboratories | Video display touch detection digitizer |
| US4633416 | 29 Jul 1985 | 30 Dec 1986 | Quantel Limited | Video image creation system which simulates drafting tool |
| US4663616 | 25 Jun 1985 | 5 May 1987 | International Business Machines Corp. | Attachment of lines to objects in interactive draw graphics |
| US4683468 | 11 Mar 1985 | 28 Jul 1987 | International Business Machines Corp. | Method for manipulation of graphic sub-objects in an interactive draw graphic system |
| US4694286 | 8 Apr 1983 | 15 Sep 1987 | Tektronix, Inc. | Apparatus and method for modifying displayed color images |
| US4751503 | 24 Dec 1984 | 14 Jun 1988 | Xerox Corporation | Image processing method with improved digital airbrush touch up |
| US4789855 | 19 Feb 1985 | 6 Dec 1988 | Hitachi, Ltd. | Device for editing document in colors |
| US4843568 | 11 Apr 1986 | 27 Jun 1989 | | Real time perception of and response to the actions of an unencumbered participant/user |
| US5131056 | 23 Jan 1991 | 14 Jul 1992 | Crosfield Electronics Limited | Electronic airbrushing |
| US5181108 | 7 Oct 1991 | 19 Jan 1993 | | Graphic input device with uniform sensitivity and no keystone distortion |
| US5216755 | 20 Jun 1991 | 1 Jun 1993 | Quantel Limited | Video image creation system which proportionally mixes previously created image pixel data with currently created data |
| US5459529 | 1 Dec 1989 | 17 Oct 1995 | Quantel, Ltd. | Video processing for composite images |
| US5484288 | 25 Mar 1994 | 16 Jan 1996 | | Apparatus for teaching inscription of characters |
| US5619253 | 28 Apr 1995 | 8 Apr 1997 | | Video display of indicia |
| US5767843 | 25 Aug 1995 | 16 Jun 1998 | Daimler-Benz Aerospace AG | Manually controlled imput device for a computer |
| US6008800 | 15 Aug 1994 | 28 Dec 1999 | | Man machine interfaces for entering data into a computer |
| US6012980 | 11 Dec 1997 | 11 Jan 2000 | Kabushiki Kaisha Sega Enterprises | Coordinates detecting device, method for same and game device |
| US6061177 | 19 Dec 1996 | 9 May 2000 | | Integrated computer display and graphical input apparatus and method |
| US6750848 | 3 Nov 1999 | 15 Jun 2004 | | More useful man machine interfaces and applications |
| US6831220 | 6 Nov 2003 | 14 Dec 2004 | Rainbow Music Corporation | System for playing music having multi-colored musical notation and instruments |
| US6947029 | 3 Aug 2001 | 20 Sep 2005 | | Handwritten data input device and method, and authenticating device and method |
| US7098891 | 8 Nov 1999 | 29 Aug 2006 | | Method for providing human input to a computer |
| US7714849 | 31 Jul 2006 | 11 May 2010 | | Control of vehicle functions |
| US7800609 | 2 Jan 2008 | 21 Sep 2010 | SensAble Technologies, Inc. | Method and apparatus for generating and interfacing with a haptic virtual reality environment |
| US7864173 | 27 Jul 2004 | 4 Jan 2011 | SensAble Technologies, Inc. | Systems and methods for creating virtual objects in a sketch mode in a haptic virtual reality environment |
| US7889195 | 17 Aug 2007 | 15 Feb 2011 | Sensable Technologies, Inc. | Systems and methods for sculpting virtual objects in a haptic virtual reality environment |
| US7891818 | 12 Dec 2007 | 22 Feb 2011 | Evans & Sutherland Computer Corporation | System and method for aligning RGB light in a single modulator projector |
| US7990374 | 28 Jun 2005 | 2 Aug 2011 | SensABLE Technologies, Inc. | Apparatus and methods for haptic rendering using data in a graphics pipeline |
| US8077147 | 13 Mar 2006 | 13 Dec 2011 | Apple Inc. | Mouse with optical sensing surface |
| US8077378 | 12 Nov 2009 | 13 Dec 2011 | Evans & Sutherland Computer Corporation | Calibration system and method for light modulation device |
| US8111239 | 8 May 2006 | 7 Feb 2012 | Motion Games, LLC | Man machine interfaces and applications |
| US8125468 | 30 Jul 2008 | 28 Feb 2012 | Perceptive Pixel Inc. | Liquid multi-touch sensor and display device |
| US8144271 | 4 Aug 2008 | 27 Mar 2012 | Perceptive Pixel Inc. | Multi-touch sensing through frustrated total internal reflection |
| US8228305 | 10 Jul 2009 | 24 Jul 2012 | Apple Inc. | Method for providing human input to a computer |
| US8239784 | 18 Jan 2005 | 7 Aug 2012 | Apple Inc. | Mode-based graphical user interfaces for touch sensitive input devices |
| USRE34835 | 5 Dec 1990 | 24 Jan 1995 | Hitachi, Ltd. | Method and apparatus for editing document in colors |