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Magnetically actuated position sensor
Flexible hermetic sealing
A flexible hermetic sealing and method for making the same. Electronic components are coated with an adhesive such as an epoxy, and then a metallic layer...
Remote self-powered structure monitor
An acoustic rotor monitor that is an autonomous self-powered measurement instrument which can detect embedded and hidden fatigue cracks in remotely inaccessible...
Circuit for generating high voltage to ignite oil or gas or operative neon
A solid state power supply circuit for providing high frequency power to ignite oil or gas and operate neon sign transformers. A switch operates in conjunction...
Agile satellite targeting
A method is disclosed for targeting a satellite orbiting earth between to sites on earth based on an access time that is transmitted from a ground station....
Power-on mask detection method for motion detectors
A method for determining if a motion detector is in a masked condition at the time power is applied to the detector. When power is first applied to the motion...
Method of operating or constructing a geartooth sensor
A geartooth sensor utilizes an algorithm for establishing an adaptive threshold for the switch point of the sensor to minimize drift in the point at which the...
Apparatus and method for producing high fidelity output with a limited
resolution output device
A circuit for use with a limited resolution device such as a stepper motor to convert a high-resolution signal such as from a computer into a high fidelity...
Gel point sensor
A comparison of the specular and diffused radiation reflected from a coating can be used in ratio to locate the gel point of the coating, and to monitor coating...
Series mountable gas valve
A gas flow control valve configured to facilitate back-to-back mounting with a second, similarly constructed valve. The gas valve includes a valve body defining...
Slack scheduling for improved response times of period transformed
A method for scheduling periodic incremental and design to time processes. The algorithm is based on the slack stealer which dynamically determines the remaining...
A method for satellite navigation and, in particular, a method for DGNSS (Differential Global Navigation Satellite System) is provided. Separate differential...
Methods and apparatus for annunciation of vehicle operational modes
A vehicle control system contains a behavior annunciation function for generating a behavior mode output. The behavior mode annunciation system has a vehicle...
Mounting arrangement for wet end weight measurement system
A mounting system for removably mounting a sensor array adjacent the wire of a papermaking machine. The mounting system comprises an elongate base member formed...
Linear illumination sources and systems
Improved linear illumination sources are disclosed which utilize external, highly reflective enclosures containing one or more linear openings and thereby...
Humidity control based on an estimation using heating plant cycle, of
inside window surface temperature
A humidity control system for an enclosure requiring heat from a furnace and having one or more windows, includes sensors for the enclosure temperature and...
Illumination system using edge-illuminated hollow waveguide and lenticular
An illumination system having a hollow waveguide including first and second light directing arrays (LDA), each having a plurality of generally lenticular prisms...
Fingerprint input apparatus
A fingerprint input apparatus includes a prism, a light source, a pinhole, and an imaging plane. The prism is placed such that a surface in one direction serves...
Rugged fluid flow and property microsensor
A thermal fluid flow or property sensor having no exposed contact wires or contact pads in the fluid flow path to obstruct measurements, flat fully passivated...
Differential filter with gyrator
A differential gyrator based filter is disclosed that preferably has a first gyrator connected to the positive input signal of the differential input signal and...
Polymer microactuator array with macroscopic force and displacement
A microactuator array device, which includes a plurality of generally parallel thin flexible polymer sheets bonded together in a predetermined pattern to form an...
Driving strategy for non-parallel arrays of electrostatic actuators sharing
a common electrode
An electrostatic actuator array having at least one cell, in which the individual cells share a common electrode. Each cell includes first and second electrodes...
Brake mechanism and powered actuator
A brake mechanism includes a reduction gear train, a motor structure, and a braking means. The reduction gear train transmits at least a rotation force in a...
Coat weight measuring and control apparatus
A sensor and a method for determining the basis weight of a coating material containing latex on a substrate is described. The determined basis weight is...
Two wedge-shaped platforms, each rotatable about a different axis, are rotationally mounted together so that a pointing device mounted on one of the platforms...
Liquid crystal display with reduced off state luminance
A liquid crystal color display has the range of polarization twist angles between the color filter and the active matrix alignment layers for the cells of at...
Full duplex CMOS communication
Full duplex CMOS communication is accomplished over a single electrical interconnect by transmitting a signal in one direction using standard voltages indicative...
Failsafe monitoring system for potentiometers and monitor interface
A controller, having a microprocessor, a control potentiometer and a monitor interface circuit connected between the microprocessor and the potentiometer,...
Integrated circuit impedance device and method of manufacture therefor
A multi-purpose device that can serve as either a resistor, MOSFET or JFET is disclosed. The resistor is formed by selecting a first metal interconnect...
Silicone coat weight measuring and control apparatus
A sensor and a method for determining the coating weight of a coating material containing silicone on a substrate is described. The determined coating weight is...
Dual diaphragm, single chamber mesopump
A diaphragm pump, which is preferably electrostatically actuated, but which may be activated by other forces such as electromagnetic or piezoelectric actuation....
A viscometer having a fluid volume-displacer or driver, such as a speaker membrane, and a pressure sensor or detector, such as a microphone membrane, forming the...
Method and apparatus of monitoring a navigation system using deviation
signals from navigation sensors
A high integrity navigation system is created using a low integrity navigation computer monitored by a high integrity system. A navigation sensor (e.g. DGPS,...
Method and apparatus for writing data states to non-volatile storage
Disclosed are apparatus and methods for efficiently writing states to one or more magneto-resistive elements. In one embodiment, current switches are provided...
Methods and apparatus for the closed loop control of magnetron current
A fault-tolerant control system facilitates the closed loop control of a magnetron. The control system includes a transformer assembly for applying peak current...
Remotely operated rail car status monitor and control system
A remotely operated rail car status monitor and control system including a plurality of handbrake status and release monitors (HSRMs), each of which is mounted...
Non-volatile storage latch
A non-volatile latch having a power supply terminal and a ground terminal is disclosed. The non-volatile latch includes a pair of cross-coupled inverter elements...
Vertically integrated magnetic memory
A vertically integrated magnetic memory with Hall effect sensing or reading. It has a ferromagnetic structure with a nearly enclosed magnetic path, which is a...
Fiber optic gyroscope having modulated suppression of co-propagating and
counter-propagating polarization errors
A fiber optic gyroscope having polarization error-correcting modulation. Polarization errors originate from the interference of primary waves and secondary...
Power up communication interface system
A controller for a system has two or more operating modes. The controller operates according to a different control algorithm in each operating mode. A manually...
Dual display ergonomic control console
Attitude direction indicator with supplemental indicia
An attitude direction indicator (ADI) display includes a horizon line that divides an upper colored portion, which represents the sky, from a lower colored...
Interactive voice responsive radio tuning system
A system for automatically tuning the radio equipment of an aircraft in response to a verbal communication to the system.
Dynamic digital to synchro converter
A digital to synchro converter converts digital values to an analog synchro signal. The values are mapped in a memory and sent to a digital to analog converter...
Target design for geartooth sensor with minimal number of unique segments
combined in nonrepeating fashion
A geartooth target providing a consistent magnetic signal for each feature type with unambiguously readable features has three unique 30.degree. segments, each...
Nanoporous polymers crosslinked via cyclic structures
Nanoporous polymeric materials are fabricated in which polymeric strands are crosslinked via ring structures. Preferred ring structures are formed de novo during...
Infiltrated nanoporous materials and methods of producing same
In accordance with the present invention, a low dielectric constant structural layer is produced having increased mechanical strength and having a plurality of...
Manual hand brake sensor for a railroad car
On a railroad car handbrake system the main handbrake shaft, used to turn the chain, is utilized during its rotation to drive a target object to a magnetic...
Gas valve with natural/LP gas conversion capability
A convertible two-mode pressure regulator in which a main valve regulates fluid flow between an inlet and an outlet in response to a control pressure produced by...