Matches 1 - 21 out of 21
Match Document Document Title
7315377 System and method for remote sensing and/or analyzing spectral properties of targets and/or chemical species for detection and identification thereof  
A method and a low-cost, robust and simple system for remote sensing and analyzing spectral properties of targets as a means to detect and identify them is introduced. The system can be highly...
7274356 Apparatus for determining the location of a pointer within a region of interest  
An apparatus for detecting a pointer within a region of interest includes a first reflective element extending along a first side of the region of interest and reflecting light towards the region...
7075054 Optical position detecting device and recording medium including a detection of dust on a light retro-reflector  
The position of a light blocking object is detected not only within a display screen, but also outside the display screen. With the use of the function of detecting the position in a region outside...
6974948 Perimetric detection system  
Systems and elements are disclosed for creating a continuous, collimated detection zone for an automatically-actuated device or container, such as an automatic waste container, wherein the...
6927386 Optical position detecting device and recording medium including an operational defect judgment  
The position of a light blocking object is detected not only within a display screen, but also outside the display screen. With the use of the function of detecting the position in a region outside...
6844539 Touch location by retroflected scanned optical beams  
The position of a light blocking object is detected not only within a display screen, but also outside the display screen. With the use of the function of detecting the position in a region outside...
6838657 Optical position detecting device and recording medium  
The position of a light blocking object is detected not only within a display screen, but also outside the display screen. With the use of the function of detecting the position in a region outside...
6627871 Optical position detecting device having mounting member for retroreflector and optical transceiver  
An optical position detecting device includes side frames on three sides, which are composed of slide parts and guide parts for guiding the slide parts and provided with light retro-reflectors; and...
6596983 Perimetric detection system and automated container  
Systems and elements are disclosed for creating a continuous, collimated detection zone for an automatically-actuated device or container, such as an automatic waste container, wherein the...
6587099 Coordinate input/detection device detecting installation position of light-receiving device used for detecting coordinates  
A coordinate input/detection device is provided with a coordinate input area. The coordinate input/detection device uses first and second light-emitting units to emit light to a plurality of retro...
6480187 Optical scanning-type touch panel  
A recurrence reflection sheet is provided to the outside of at least three sides of a quadrilateral display screen, two light send/receive units, which includes a light scanning element for...
6354716 Light curtain device  
A light curtain device for creating a curtain of light between a reflective first location and a second location is disclosed. The device includes a light source adapted to provide a light column,...
6169379 Power driven venting of a vehicle  
An obstruction detection apparatus is provided for use in closing a power driven vent, such as a window, that is located in an opening. When the vent includes a first closing edge that moves as the...
5955854 Power driven venting of a vehicle  
An obstruction detection apparatus is provided for use in closing a power driven vent, such as a window, that is located in an opening. When the vent includes a first closing edge that moves as the...
5844222 Rastering laser scanner with beam location feedback  
A method and apparatus is provided for reading two-dimensional patterns, such as matrix symbols or signatures, using moving beam laser scanners to take advantage of the large depth of field...
5764223 Touch-screen input device using the monitor as a light source operating at an intermediate frequency  
A CRT touch screen having raster-generated light patterns at the viewing screen borders of a conventional CRT. Reflective surfaces proximal to the screen borders reflect the light patterns across...
5565686 Method and apparatus for detecting the presence and location of objects in a field via scanned optical beams  
An optical system and method for detecting the presence and location of multiple objects in a field. The optical system has at least one light source to generate a beam, which beam is scanned by at...
5493112 Method and apparatus for detecting the presence and location of an object in a field  
An optical system and method for detecting the presence and location of at least one stationary or moving object in a field. The optical system has at least one light source to generate a beam,...
5424533 Self illuminating touch activated optical switch  
The present invention teaches a touch activated switch. The switch comprises a light source for generating a light ray. Further, the switch comprises a first lens for collimating the light source's...
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...
D347002 Touch plate for providing a computer response  
Matches 1 - 21 out of 21