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System and method of detecting speech intelligibility of audio
announcement systems in noisy and reverberant spaces
A system and method to detect and remediate unacceptable levels of speech intelligibility evaluates received test audio transmitted across and received in a...
Microwave ranging sensor
A method for detecting an intruder in a protected space that uses a microwave frequency sensor to determine an accurate distance measurement to the intruder....
Fluorescent light immunity through synchronous sampling
A system and method for reducing interference caused by fluorescent light on alarm system components using synchronous sampling is provided. The system...
Controller providing shared device access for access control systems
An access control system and method for controlling access to secured areas includes a plurality of local readers connected to corresponding local control...
Azeotrope-like compositions of 1,1,2,3,3-pentafluoropropene
The invention pertains to azeotrope-like compositions of 1,1,2,3,3-pentafluoropropene (HFC-1225yc) and any one of 1,1,1,2-tetrafluoropropene (HFC-1234yf) or the...
Earbud and method of manufacture
An earbud (10) for carrying sound from a source (16) to a person's ear canal, includes a soft foam body (20) and a sleeve (26) of stiffer material lying within...
Method of correcting gypsum crystal water effect on infrared moisture
Ash composition measurements of calcium carbonate and gypsum in paper is accomplished with a dual X-ray sensor system with one X-ray source that is powered at...
Coatings and hard mask compositions for integrated circuit applications
methods of production and uses thereof
A coating material is described herein that includes at least one inorganic compound, and at least one densifying agent, wherein the densifying agent increases...
Actuating rod end connector
An improved actuating rod end connector is connected with an actuating rod that extends from a turbocharger assembly actuator mechanism. The rod end connector...
Method and system for forming an electronic assembly having inertial
sensors mounted thereto
Systems and methods for forming an electronic assembly are provided. A first inertial sensor having a first sense axis is attached to a bracket. A second...
Environmental control system
An environmental control system for conditioning air in a vehicle compartment, such as an aircraft cabin. Cool expanded higher-pressure air from a turbine is...
Standoff iris recognition system
An iris recognition system having pupil and iris border conditioning prior to iris mapping and analysis. The system may obtain and filter an image of an eye. A...
Skin detection sensor
A device for detecting the presence of human skin including an illuminator source for providing an IR band at a predetermined frequency known as a blue LED. The...
System and method for dynamic modification of speech intelligibility
A system and method to detect and measure remediated speech intelligibility by evaluating received test audio transmitted across and received in a space or...
Resonator fiber optic gyroscope (RFOG) with reduced bias error from high
order spatial modes
Multiple resonator fiber optic gyroscope (RFOG) configurations comprising one or more mode filters inside the resonator are adopted to effectively suppress...
Privacy zone algorithm for ptz dome cameras
The present invention advantageously provides a means by which the privacy zone on a PTZ camera can be maintained so that an object in the camera's sight is...
Digitally controlled UWB millimeter wave radar
An ultra wide band (UWB) millimeter (mm) wave radar system includes a signal source having a control input, a GHz signal output and a frequency controlled...
Systems and methods for adjusting landing gear alert envelope for offshore
platforms and building-top landings
Systems and methods for improving landing gear alerting on a rotary wing aircraft. An example system includes a user interface device that allows a user to set...
Variable air speed aspirating smoke detector
An aspirated smoke detector includes a smoke sensor, an aspirator and variable speed control circuits. As the concentration of smoke increases, the speed...
Radio frequency buffer
Systems, methods, and devices for receiving a differential input signal and generating a non-differential output signal are described herein. For example, an RF...
Comparator circuit having latching behavior and digital output sensors
A digital output sensor (110) includes a sensing structure (105) including at least one sensing element. The sensing structure (105) outputs a differential...
Position-controlled start from the AC line using a synchronous machine
A synchronous electric machine operates as a starter-generator for an aircraft. When operating in a starting mode, a main stator of the machine is supplied with...
Microfluidic cartridge with reservoirs for increased shelf life of
A microfluidic cartridge that includes at least one reservoir for storing a reagent or the like for an extended period of time. In one illustrative embodiment,...
Aspiration detector unit
Heuristic and intuitive user interface for access control systems
The present invention advantageously provides a method for interfacing an access control system and an input device, comprising the steps of displaying, on the...
Methods and systems for computation of probabilistic loss of function from
A method for determining a probabilistic loss of function of a system includes the steps of determining a plurality of failure mode probabilities, ranking a...
Real-time compensation of inertial sensor bias errors under high spin rate
A method of estimating bias errors for an air vehicle in flight under high spin conditions is provided. The method comprises collecting a first set of data...
System and method for displaying a digital terrain
Methods and systems for displaying a digital terrain to a user of a vehicle are provided. First, second, and third actual terrain data points are received. The...
Ground-based system and method to monitor for excessive delay gradients
A processing function to monitor a horizontal delay gradient in satellite signals is provided. The processing function includes a satellite differencing module,...
Alarm status voice annunciation using broadcast band transmissions
A security system, such as in a home or other building, includes a broadcast band RF transmitter for transmitting an audio message that can be received by a...
Portable bearing test device
A portable bearing test device includes a power supply that is operable to supply direct current (DC) electrical power via a plurality of power supply outputs...
Circuit for adjusting the temperature coefficient of a resistor
A temperature-compensated-resistance (TCR) circuit, which may be part of an integrated circuit, is provided. The TCR circuit consists of two resistors and a...
Aircraft electrical power system architecture using auxiliary power unit
during approach and taxi
An electrical power system architecture uses an auxiliary power unit as an electrical power source during taxi (ground idle) and approach idle (if required)....
Turbocharger assembly having heat shield-centering arrangements
A turbocharger for internal combustion engines, having a heat shield disposed between a turbine housing and center housing of the turbocharger for shielding the...
HVAC controller that selectively replaces operating information on a
display with system status information
An HVAC controller is described that is configured to be more intuitive and user friendly to program and operate than convention HVAC controllers. In some...
Thermostat with usage history
The present disclosure pertains to thermostats that assist users in monitoring and/or controlling their utility consumption habits and patterns. In particular,...
Differential force sensor
A differential force sensor method and apparatus for automatically monitoring manual injections through an intravenous line. The differential force sensor...
Gateway data proxy for embedded health management systems
A gateway data proxy is a system which provides the capabilities to provide and obtain the customized data across multiple platforms to facilitate the remote...
Systems and methods for real time classification and performance
monitoring of batch processes
Systems and methods (300) for offline/online performance monitoring of batch processes (BPs) involving obtaining archived data (AD) obtained during runs of BP...
Methods and systems for performing diagnostics regarding underlying root
causes in turbine engines
A method for performing diagnostics for an engine comprises the steps of identifying an engine component as potentially being related to operational data of an...
System and method for displaying control related information to an
A system for displaying throttle settings to an aircraft operator includes, but is not limited to, a display unit, a data storage unit configured to store...
Image acquisition system
A system having a sensor and variable focus lens for iris image standoff acquisition. The sensor may capture a sequence of images at a high frame rate of a...
Approaches and apparatus for eye detection in a digital image
A system for finding and providing images of eyes acceptable for review, recordation, analysis, segmentation, mapping, normalization, feature extraction,...
Method and system to maintain shapes of temporal pulses in wireless
broadband signals transmitted through a...
A radio frequency system for broadband wireless communication including one or more dispersive antennae operable to transmit and receive wireless broadband...
Real-time screening interface for a vehicle screening system
A vehicle screening system for screening vehicles and occupants for entrance to a secured facility is disclosed. The system can include a processor and an...
Systems and methods for inertially controlling a hovering unmanned aerial
Systems and methods for inertially controlling a hovering unmanned aerial vehicle (HUAV) are provided. One inertial controller includes a frame and a sensor for...
Quantum dot solar cell with electron rich anchor group
A solar cell may including a quantum dot, an electron conductor and a bridge molecule disposed between the quantum dot and the electron conductor. The bridge...
Wall mount electronic controller
An electronic controller that is adapted to cooperate with a decorative wall plate is provided. In one illustrative embodiment, the electronic controller may be...
Shapable resin compositions
The present invention provides processes for the extrusion of a shapeable resin-containing composition as a foam, wherein said composition comprises at least...