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633 results about "Lead Indicator" patented technology

Specifies the principal entity responsible for the study.

Sensor system for measuring and monitoring indoor air quality

An apparatus for accurately sensing room conditions and positioned in the air stream to the return air plenum. The apparatus is a combination of a temperature and volatile organic compound (VOC) sensor. The sensor module is built into a ceiling grid system with the body of the sensor module extending into the return air plenum. The ceiling grid has a slot fabricated into its face which allows the air stream from the room to flow by the sensors on its way to the plenum. This enables both the temperature and the composition of the air to be monitored at the optimal location. A portable pollution sensor device that measures and monitors leading indicators of indoor air quality and the extent of pollution is used in conjunction with the ceiling grid mounted sensor modules. The portable device documents and benchmarks air quality both in buildings under construction and in existing buildings. The portable device is network-enabled so as to simultaneously transmit the data to various control devices. In addition to its use to monitor areas not otherwise covered by the ceiling grid mounted sensors, the hand-held sensor can be used during building construction to determine the best locations in the ceiling grid system for mounting of the fixed pollution sensors.
Owner:AWI LICENSING

Target detecting and tracking system and method using background differencing method based on FPGA

A target detecting and tracking system using a background differencing method based on FPGA comprises a FPGA device, a SD card, an LED indicator light, a DDR2SDRAM, two seven-segment digital tubes, an LTM display screen and a minimum video detecting and tracking system, wherein the minimum video detecting and tracking system is embedded in the FPGA and is integrated in a SOPCbuilder environment with an AVLON bus as a standard. The target detecting and tracking system using the background differencing method based on FPGA is mainly used for detecting and tracking moving objects in static scenes. A target detecting and tracking method using the background differencing method based on FPGA comprises the steps of a. reading AVI format video files with the SD card, b. converting the AVI format video files into multiframe images, c. detecting and tracking the videos based on the images, d. obtaining the moving objects which are to be tracked, and e. displaying tracking results on the LTM display screen. Due to the fact that an FPGA platform is adopted by the system, the system is high in parallelism performance, and computing speed is improved. The target detecting and tracking method is good in tracking effect and adaptability, particle filter algorithm which is suitable for non-linear non-Gaussian dynamic models, and the target detecting and tracking system is similar with real scenes and is good in adaptability and high in tracking accuracy.
Owner:NORTHEASTERN UNIV LIAONING

Method and system for LED temporal dithering to achieve multi-bit color resolution

A method and system for temporal dithering of an LED indicator are disclosed, one embodiment of the method comprising: initializing the LED indicator to display a first color of a color palette; during each cycle of a preset cycling rate, cycling the LED indicator display color between the first color and one or more selected colors of the color palette, wherein the LED indicator is caused to display in turn the first color and each selected color of the color palette for a preset portion of each cycle determined to result in a perceived display color at the LED indicator; and repeating the cycling step to maintain the perceived display color at the LED indicator. The method can further comprise the step of changing the perceived display color to a new perceived display color. Changing the perceived display color can comprise: adjusting the size of the preset portion of each cycle allotted to each of the first color and the one or more selected colors for display, wherein the size of each preset portion is determined to result in the new perceived display color; and repeating the cycling step using the adjusted preset portion sizes to maintain the new perceived display color at the LED indicator. Further, changing the perceived display color can be manually initiated or automatically initiated in response to a changing condition. The changing condition can be, for example, an exceeded limit of a parameter associated with the LED indicator.
Owner:NOVARTIS AG

Biometrically secured identification authentication and card reader device

An intelligent Caddy-Pilot for facilitating biometric verification. The device works as a single sign-on device for an internal VPN or network or in conjunction with a central data network and may act as a card reader for various Safe Card and traditional credit cards to perform secure transactions and other objective functions, or as an; instantaneous standalone biometric authentication and identification device. The Caddy-Pilot generally comprises a Credit Card-sized housing defining an end-wise card insertion port, a USB connection port, a magnetic card strip reader head, an internal infrared receiver/transmitter, a fingerprint scanner, LCD display screen, LED indicator lights, and a programmable microprocessor and memory. At issuance, an initial scan of the user's fingerprint is completed and a portion of the digitized fingerprints scan is stored locally on Caddy Pilot along with an image of the user for later authentication. The user may then employ the Caddy-Pilot by connection to any available USB port on a web enabled device to initiate both a local biometric-secure authentication sequence as well as a network biometric authentication single sign-on sequence to fully authenticate the user. Once authenticated the user is permitted access to requested resource or data.
Owner:COLELLA BRIAN A
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