Touch panel display system with illumination and detection provided from a single edge
J Newton - US Patent 7,538,759, 2009 - Google Patents
See application file for complete search history. rality of edges and an interior Volume. An
energy source is positioned in proximity to a first edge of the touch panel and is configured …
energy source is positioned in proximity to a first edge of the touch panel and is configured …
Touch screen system with hover and click input methods
J Newton - US Patent 8,115,753, 2012 - Google Patents
(Continued) second pair of outer edges of the object. If the approximated touch area is less
than or equal to a threshold touch area, the signal processor determines that the object …
than or equal to a threshold touch area, the signal processor determines that the object …
Tracking motion of a writing instrument
A Pittel, I Schiller, S Liberman, G Shleppi… - US Patent …, 2007 - Google Patents
US7268774B2 - Tracking motion of a writing instrument - Google Patents US7268774B2 -
Tracking motion of a writing instrument - Google Patents Tracking motion of a writing …
Tracking motion of a writing instrument - Google Patents Tracking motion of a writing …
Position detection system
T Kitada, K Watanabe - US Patent 6,798,403, 2004 - Google Patents
The primary object of the present invention is to provide a position detection System capable
of receiving Signals (ultrasonic wave signals etc.) transmitted by transmitter means Such as …
of receiving Signals (ultrasonic wave signals etc.) transmitted by transmitter means Such as …
Optical touchscreen with improved illumination
J Newton - US Patent 8,432,377, 2013 - Google Patents
In an optical touch display system, light from a primary source can be retroreflected to a
detector in the absence of an object in the detection area. When an object is present, its …
detector in the absence of an object in the detection area. When an object is present, its …
Detection of surface contamination
N Ohlsson, T Christiansson - US Patent 10,161,886, 2018 - Google Patents
A device implements a method for detecting contamination of an FTIR-based panel. The
apparatus generates projection signals representing detection lines that have propagated …
apparatus generates projection signals representing detection lines that have propagated …
Touch screen based topological map** with resistance framing design
GS Hurst, R Ritchie, DW Bouldin… - US Patent 6,650,319, 2003 - Google Patents
(57) ABSTRACT A neW touch screen is based upon the map** of coordi nates from an
equipotential space de? ned by a simple set of screen electrodes to some other, more useful …
equipotential space de? ned by a simple set of screen electrodes to some other, more useful …
Touch screen signal processing
J Newton - US Patent 8,289,299, 2012 - Google Patents
2,407,680 A 9/1946 Palmquist et al. 2,769,374. A 11, 1956 Sick 3,025,406 A 3, 1962 Stewart
et al. 3,128,340 A 4, 1964 Harmon 3,187,185 A 6, 1965 Milnes 3,360,654 A 12, 1967 Muller …
et al. 3,128,340 A 4, 1964 Harmon 3,187,185 A 6, 1965 Milnes 3,360,654 A 12, 1967 Muller …
Electronic pen holding
A Pittel, I Schiller, G Shleppi, VV Subach… - US Patent …, 2010 - Google Patents
US7773076B2 - Electronic pen holding - Google Patents US7773076B2 - Electronic pen
holding - Google Patents Electronic pen holding Download PDF Info Publication number …
holding - Google Patents Electronic pen holding Download PDF Info Publication number …
Touch pad and a method of operating the touch pad
O Wassvik - US Patent 8,716,614, 2014 - Google Patents
A touch pad is controlled to detect a location of one or more objects (16) on a touch surface
(15) of a transmissive element (12). The touch pad includes at least two scanning …
(15) of a transmissive element (12). The touch pad includes at least two scanning …