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Class Information
Number: 345/180
Name: Computer graphics processing, operator interface processing, and selective visual display systems > Display peripheral interface input device > Light pen for crt display
Description: Subject matter wherein the operator uses a handheld light pen to input positional information data to the cathode-ray tube display device*.

Sub-classes under this class:

Class Number Class Name Patents
345/181 Crt having tracking capability 66

Patents under this class:
1 2 3 4 5

Patent Number Title Of Patent Date Issued
8659548 Enhanced camera-based input Feb. 25, 2014
8648839 Stylus and touch input system Feb. 11, 2014
8643569 Tools for use within a three dimensional scene Feb. 4, 2014
8600163 Handwriting determination apparatus and method and program Dec. 3, 2013
8599138 Information processing apparatus, information processing method and computer program Dec. 3, 2013
8596522 Method for making at least one identifier and securing the reading thereof by a digital pen associated with a screen sheet, and means for implementing same Dec. 3, 2013
8570307 Electronic writing instrument, computer system, electronic writing method and computer readable medium Oct. 29, 2013
8553015 Electronic device and information processing method Oct. 8, 2013
8531397 Method of calibrating position offset of cursor Sep. 10, 2013
8531458 Method of determining pointing object position for three-dimensional interactive system Sep. 10, 2013
8513547 Image reading apparatus and image reading method Aug. 20, 2013
8508710 Display panel Aug. 13, 2013
8411064 Contact detecting device, display device, and contact detecting method Apr. 2, 2013
8384696 Carrier for a digital pen Feb. 26, 2013
8319753 Optical pen and optical touch system with same Nov. 27, 2012
8308387 Force-sensing electronic pen with user-replaceable cartridge Nov. 13, 2012
8284174 Stylus Oct. 9, 2012
8184102 Finger gesture recognition for touch sensing surface May. 22, 2012
8169423 Electronic writing instrument, computer system, electronic writing method and computer readable medium May. 1, 2012
8164582 Method and apparatus for calibrating targets on a touchscreen Apr. 24, 2012
8139059 Object illumination in a virtual environment Mar. 20, 2012
8129939 Slate wireless keyboard charging and connection Mar. 6, 2012
8131080 Handwriting determination apparatus and method and program Mar. 6, 2012
8094975 System and method for factory work logging Jan. 10, 2012
8081822 System and method for sensing a feature of an object in an interactive video display Dec. 20, 2011
8066397 Light pen Nov. 29, 2011
8009152 Refined coordinate detection method and error correction method for touch panel Aug. 30, 2011
7982898 Method of creating printed interactive document Jul. 19, 2011
7979809 Gestured movement of object to display edge Jul. 12, 2011
7959300 Projected image display unit Jun. 14, 2011
7955017 Electronic image-sensing pen with force sensor and removeable ink cartridge Jun. 7, 2011
7928966 Computer input pen apparatus Apr. 19, 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
7831933 Method and system for implementing a user interface for a device employing written graphical elements Nov. 9, 2010
7812987 System for composition and transmission of an e-mail message Oct. 12, 2010
7794167 Pen with side loading cartridge Sep. 14, 2010
7788606 Computer-implemented system and method for defining graphics primitives Aug. 31, 2010
7714843 Computer input device with a self-contained camera May. 11, 2010
7692625 Camera-based touch system Apr. 6, 2010
7692639 Uniquely identifiable inking instruments Apr. 6, 2010
7626575 Light pen Dec. 1, 2009
7567241 Stylus with customizable appearance Jul. 28, 2009
7559037 Pen-based interface for a notepad computer Jul. 7, 2009
7545366 Portable electronic device, method of controlling input operation, and program for controlling input operation Jun. 9, 2009
7532206 System and method for differentiating between pointers used to contact touch surface May. 12, 2009
7444159 Data input device, systems using the device, and methods for operating such systems Oct. 28, 2008
7397465 Coordinate input control method Jul. 8, 2008
7396178 Universal pen with optical, position and/or motion sensors Jul. 8, 2008

1 2 3 4 5

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