Matches 1 - 22 out of 22
Match Document Document Title
7421167 Optical power distribution devices  
This invention relates to optical splitters, particularly to optical splitters for use in optical touch screens. The present invention provides an optical splitter for distributing light...
RE40153 Multi-touch system and method for emulating modifier keys via fingertip chords  
A multi-touch system is disclosed that recognizes simultaneous touchdown of four fingers on, above, or below the home row of keys as a modifier chord and applies modifiers such as Shift, Ctrl, or...
7342574 Method and apparatus for inputting information including coordinate data  
A method, computer readable medium, and apparatus for inputting information, including coordinate data, includes: extracting a predetermined object from an image, including a predetermined object...
7339580 Method and apparatus for integrating manual input  
Apparatus and methods are disclosed for simultaneously tracking multiple finger and palm contacts as hands approach, touch, and slide across a proximity-sensing, compliant, and flexible multi-touch...
6674424 Method and apparatus for inputting information including coordinate data  
A method, computer readable medium and apparatus for inputting information which includes coordinate data. The method includes extracting a predetermined object from an image which includes a...
6495832 Photoelectric sensing array apparatus and method of using same  
A photoelectric sensor array apparatus and method, relates to at least two photoelectric rail elements each having alternating light emitting diode transmitters and photo detecting receivers. The...
5988645 Moving object monitoring system  
A method has been invented for monitoring an object passing through a frame space of a light panel, the light panel having at least one light emitter on the first side, the at least one light...
5635724 Method and apparatus for detecting the location of an object on a surface  
A device and method for detecting the location of an object in a surface employs a first plurality of light sources disposed along a first row adjacent the surface. A first plurality of light...
5605406 Computer input devices with light activated switches and light emitter protection  
A keyboard where no finger pressure is needed to input data, that uses rows of emitters opposed by rows of detectors to detect a finger position, that is environmentally sealed, and inherently...
5577848 Light controlled touch pad for cursor and selection control on a computer display  
A keyboard where no finger pressure is needed to input data, that uses rows of emitters opposed by rows of detectors to detect a finger position, that is environmentally sealed, and inherently...
5577733 Targeting system  
The present invention, in one embodiment, is a targeting system for a shooter of a gun, the system having a target image created by a projector and projected on a target screen or, in one...
5414413 Touch panel apparatus  
A touch panel apparatus of the type in which a plurality of photo-detecting pairs generate a plurality of detecting beams which cross the display surface and including a circuit for reducing the...
5378069 Environmentally safe touch typing keyboard  
A keyboard that has two adjacent rows of emitters opposed by two adjacent rows of detectors that is environmentally sealed and has no moving parts. This said keyboard has a field changeable coded...
5025411 Method which provides debounced inputs from a touch screen panel by waiting until each x and y coordinates stop altering  
A system for providing input to a computer comprises a touchscreen apparatus for generating a grid of horizontal and vertical light beams and producing a set of output signals, each indicating...
4943806 Touch input device having digital ambient light sampling  
A touch input device which continuously samples and digitally stores ambient light readings and compares these with previously stored readings is taught. Briefly stated, a phototransistor is turned...
4937947 Apparatus for adjusting shaft supports to a reference axis  
An apparatus is disclosed to rotate a gear shaft about a reference axis and to position rolling path support elements such that their centers coincide with a reference axis. Once the rolling path...
4928094 Battery-operated data collection apparatus having an infrared touch screen data entry device  
A portable self-contained remote access terminal comprises a matrix display device and a touch screen device having a touch surface which overlies the display device so that the display device can...
4916308 Integrated liquid crystal display and optical touch panel  
A flat panel liquid crystal display (12) with an integrated touch panel has a multitude of pixels (28) arranged in multiple columns and multiple rows. The pixels (28) of the first column (54) and...
4855590 Infrared touch input device having ambient compensation  
An input device which can be employed to input commands to a computer directly through a CRT display is disclosed. The input device employs a plurality of infrared light emitting diodes and...
4812831 Key switch with controllable illumination  
An illuminated membrane keyboard 18 includes a light beam matrix, which when broken by the shadow of a stylus, operates logic to turn on illumination for a preset time rendering a normally dead...
4751379 Touch panel coordinate input device having light filter  
A photodetection type coordinate input device includes a frame having a substantially rectangular opening formed in the center, a light-emitting element array composed of a plurality of...
4710759 Interactive CRT with touch level set  
A touch panel level set for a CRT including a plurality of energy paths crisscrossing the faceplate of the CRT includes a microprocessor for energizing and interrogating the energy paths on a...
Matches 1 - 22 out of 22