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Class Information
Number: 178/18.01
Name: Telegraphy > Systems > Position coordinate determination for writing (e.g., writing digitizer pad, stylus, or circuitry)
Description: Subject matter wherein X,Y coordinates of a designed writing pattern such as a graph or a character inputted by an operator manipulable pointing device (e.g., stylus or the like) or by an operator directly touching a sensing surface of a tablet (e.g.,digitizing pad) are defined.

Sub-classes under this class:

Class Number Class Name Patents
178/18.02 Error correction 168
178/20.01 Writing digitizer circuit 101
178/18.03 Writing digitizer pad 590
178/19.01 Writing digitizer stylus 478

Patents under this class:

Patent Number Title Of Patent Date Issued
8711130 Position pointer, variable capacitor and inputting apparatus Apr. 29, 2014
8711129 Minimizing mismatch during compensation Apr. 29, 2014
8711123 Multi-touch recognition resistive touch screen for recognizing multi-touch coordinates through capacitor charging time Apr. 29, 2014
8711121 Architecture and method for multi-aspect touchscreen scanning Apr. 29, 2014
8711119 Display systems with touch screens Apr. 29, 2014
8711115 Display control device, display control method, and touchpad input system Apr. 29, 2014
8711114 Touch-sensitive device and communication device Apr. 29, 2014
8711110 Touchscreen with Z-velocity enhancement Apr. 29, 2014
8711109 Touch sensing technology Apr. 29, 2014
8711106 Input system including position-detecting device Apr. 29, 2014
8711103 Information display device and program storing medium Apr. 29, 2014
8711101 Information processing apparatus and storage medium for storing information processing program Apr. 29, 2014
RE44855 Multi-functional cellular telephone Apr. 22, 2014
8704802 Touch display device Apr. 22, 2014
8704773 Input method and input apparatus Apr. 22, 2014
8704768 Image processing apparatus and method Apr. 22, 2014
8692802 Method and apparatus for calculating coordinates with high noise immunity in touch applications Apr. 8, 2014
8692800 Coordinate detection apparatus and display apparatus Apr. 8, 2014
8692142 Circuit for determining positions of contacts on capacitive position detecting panel, touch panel module and method for detecting contacts on capacitive position detecting panel Apr. 8, 2014
8686969 Input apparatus with integrated detection sections of electromagnetic type and capacitive type Apr. 1, 2014
8686968 Touch screen panel Apr. 1, 2014
8686956 Capacitive touch sensing structure and sensing method thereof Apr. 1, 2014
8681117 Flexible slide-touch controlling device and the related position determination method Mar. 25, 2014
8681096 Automatic switching between functions emulated by a click pad device Mar. 25, 2014
8681091 Bistable display device Mar. 25, 2014
8674961 Haptic interface for touch screen in mobile device or other device Mar. 18, 2014
8674956 In-cell touch sensor touch area enhancing algorithm Mar. 18, 2014
8674950 Dual-sensing-mode touch-sensor device Mar. 18, 2014
8674945 Touch screen apparatus and digital equipment having the same, and command-input method thereof Mar. 18, 2014
8674944 Method and handheld electronic device for improved calendar user interface navigation Mar. 18, 2014
8669963 Sensor system Mar. 11, 2014
8669958 Method and apparatus continuing action of user gestures performed upon a touch sensitive interactive display in simulation of inertia Mar. 11, 2014
8669947 Information processing apparatus, information processing method and computer program Mar. 11, 2014
8669943 Closed-loop sensor on a solid-state object position detector Mar. 11, 2014
8665239 Method and apparatus continuing action of user gestures performed upon a touch sensitive interactive display in simulation of inertia Mar. 4, 2014
8665233 Input device and control method thereof Mar. 4, 2014
8665232 Device and method for acquiring tactile information with sequential scanning Mar. 4, 2014
8665222 Handwriting-input device and method Mar. 4, 2014
8665209 Pressure based selection Mar. 4, 2014
8664548 Touch controller with improved diagnostics calibration and communications support Mar. 4, 2014
8659578 Optical sensing unit, display module and display device using the same Feb. 25, 2014
8659573 Display and method for driving the display Feb. 25, 2014
8659568 Scan sequence generator Feb. 25, 2014
8659567 Electronic device having handwritten mathematical formula recognition function Feb. 25, 2014
8659564 Touch sensible display device having reduced number of image data lines Feb. 25, 2014
8659562 Device, method, and graphical user interface for manipulating soft keyboards Feb. 25, 2014
8659560 Input device and display apparatus including the same Feb. 25, 2014
8659558 Touch sensing display panel Feb. 25, 2014
8659556 Advanced receive channel architecture Feb. 25, 2014
8659545 Device and method for controlling computerized equipment Feb. 25, 2014

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