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Class Information
Number: 345/181
Name: Computer graphics processing, operator interface processing, and selective visual display systems > Display peripheral interface input device > Light pen for crt display > Crt having tracking capability
Description: Subject matter wherein the electron beam of the CRT traces the movement of the light pen on a surface of the CRT.

Patents under this class:
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Patent Number Title Of Patent Date Issued
8659548 Enhanced camera-based input Feb. 25, 2014
8643569 Tools for use within a three dimensional scene Feb. 4, 2014
8599138 Information processing apparatus, information processing method and computer program Dec. 3, 2013
8405656 Method and system for three dimensional interaction of a subject Mar. 26, 2013
8395620 Method and system for tracking of a subject Mar. 12, 2013
8259109 Method and system for vision-based interaction in a virtual environment Sep. 4, 2012
8246462 Hall-effect finger-mounted computer input device Aug. 21, 2012
8223147 Method and system for vision-based interaction in a virtual environment Jul. 17, 2012
8207967 Method and system for vision-based interaction in a virtual environment Jun. 26, 2012
8144148 Method and system for vision-based interaction in a virtual environment Mar. 27, 2012
8132125 Freeform encounter selection tool Mar. 6, 2012
8044940 Display system, display device, and program Oct. 25, 2011
7982898 Method of creating printed interactive document Jul. 19, 2011
7936339 Method and system for invoking computer functionality by interaction with dynamically generated interface regions of a writing surface May. 3, 2011
7903085 Electronic device having a position sensor Mar. 8, 2011
7898685 Image generating/reading apparatus and methods and storage media storing programs therefor Mar. 1, 2011
7894839 Data input device, systems using the device, and methods for operating such systems Feb. 22, 2011
7859699 Method of generating E-mail message Dec. 28, 2010
7812987 System for composition and transmission of an e-mail message Oct. 12, 2010
7808403 Display system for an aircraft Oct. 5, 2010
7788606 Computer-implemented system and method for defining graphics primitives Aug. 31, 2010
7719515 Input device and I/O-integrated display May. 18, 2010
7714843 Computer input device with a self-contained camera May. 11, 2010
7692639 Uniquely identifiable inking instruments Apr. 6, 2010
7692625 Camera-based touch system Apr. 6, 2010
7626575 Light pen Dec. 1, 2009
7559037 Pen-based interface for a notepad computer Jul. 7, 2009
7532206 System and method for differentiating between pointers used to contact touch surface May. 12, 2009
7518597 Apparatus, method and program for performing layout operations on space Apr. 14, 2009
7444159 Data input device, systems using the device, and methods for operating such systems Oct. 28, 2008
7385595 Electronic pen and method for recording of handwritten information Jun. 10, 2008
7302350 Selection of software and hardware functions with a force/torque sensor Nov. 27, 2007
7142198 Method and apparatus for remote pointing Nov. 28, 2006
7123239 Computer system control with user data via interface surface Oct. 17, 2006
7085693 Manipulation of electronic media using off-line media Aug. 1, 2006
6982701 Handwritten text capture via interface surface and sensor with identifier Jan. 3, 2006
6975299 Computer system control with user data via interface surface with coded marks Dec. 13, 2005
6947032 Touch system and method for determining pointer contacts on a touch surface Sep. 20, 2005
6909420 Device indicating movements for software Jun. 21, 2005
6839053 Hand-drawing capture via interface surface and processing sensor Jan. 4, 2005
6813039 Method and system for accessing the internet Nov. 2, 2004
6803906 Passive touch system and method of detecting user input Oct. 12, 2004
6789191 Interactive device network registration protocol Sep. 7, 2004
6785418 Image identification apparatus and method of identifying images Aug. 31, 2004
6686579 Digital pen using speckle tracking Feb. 3, 2004
6677935 Position pointing device, program, and pointed position detecting method Jan. 13, 2004
6657618 Optical memory unit for capturing complete analog motion Dec. 2, 2003
6633282 Ballpoint pen type input device for computer Oct. 14, 2003
6567076 Hand-writing input and recording device May. 20, 2003
6476378 Imaging apparatus and method of same Nov. 5, 2002

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