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Patent # Description
US-5,324,915 Microcontroller controlled input protection
A method and apparatus provide input protection in a system having a controller which monitors a controller terminal for at least one monitor period. The...
US-5,323,999 Microstructure gas valve control
A flow control device includes a housing with separate main flow and flow control (servo) passages between an inlet port and an exit port. A control chamber in...
US-5,323,437 Full and partial cycle counting apparatus and method
Apparatus for determining the number of cycles occurring in a frequency modulated signal during a sample period, including not only the number of full cycles but...
US-5,323,409 Wavelength stabilization
An optical source emits a source optical signal having a source optical signal power and a wavelength. A splitter or other similar device splits the source...
US-5,322,612 Carbon dioxide gas detection element
A carbon dioxide gas detection element includes a solid electrolyte of a sodium ion conductor made of a ceramic/glass composite material.
US-5,321,983 Method of correcting temperature characteristics of flow velocity sensor
In a method of correcting temperature characteristics of a flow velocity sensor, the flow velocity sensor having a heater and a pair of temperature-measuring...
US-5,321,945 Apparatus for controlling fuel transfers in a distributed fuel tank system
The present invention relates to a distributed fuel system, wherein a plurality of fuel tanks used for storing fuel are distributed in different locations. The...
US-D348,042 Absolute pressure transducer
US-5,321,772 Digital image processor
A digital image processor is described in which the output from a linear array of electro-optic sensors, first having been signal conditioned and digitized, is...
US-5,321,406 Method of track merging in an aircraft tracking system
A method of processing a plurality of tracks representative of one or more target aircraft in a vicinity of a surveillance aircraft, where each track is...
US-5,320,123 Valve with dynamic function checking capability
A valve is provided with a means for determining the operability of the valve without causing it to change fluid conduction state. A spool member is axially...
US-5,319,969 Method for determining 3-axis spacecraft attitude
A three axis attitude orientation system for a spacecraft in orbit which employs a single UV sensor. The single sensor provides roll and pitch information by...
US-5,319,968 Apparatus for determining 3-axis space craft attitude
A three axis attitude orientation system for a spacecraft in orbit which employs a single UV sensor. The single sensor provides roll and pitch information by...
US-5,319,727 Ion-beam deposited, gain enhanced ring resonators
An optical waveguide is created using the process of ion beam deposition resulting in a waveguide with low propagation loss, mode discrimination, and gain...
US-5,319,639 Crossbar with return net for scalable self-routing non-blocking message switching and routing system
A crossbar useful for self-routing messages is described having a return network that can return all messages, or their headers, that encounter a busy node at...
US-5,319,480 Liquid crystal half-tone display with gray level uniformity
A half-tone liquid crystal display panel having half-tone pixels, each comprising a plurality of sub-pixels including first and second sub-pixels. Activation...
US-5,318,652 Wafer bonding enhancement technique
Low temperature wafer bonding process enhancement makes a wafer surface hydrophobic, preparing it with a buffered oxide etchant and then exposing it to H.sub.2...
US-5,318,156 Rigid volume viscous damper
A damping apparatus including a piston having an axis therethrough. The piston includes a coaxial body portion and a first and second end extending oppositely...
US-5,318,104 Error based zone controller
The present invention describes an apparatus and method for controlling the temperature in a plurality of comfort zones within a house or building. The invention...
US-5,317,926 Electromagnetic flowmeter
An electromagnetic flowmeter for obtaining a detection signal by sampling voltages generated from electrodes in contact with a conductive fluid flowing in a...
US-5,317,331 Symbology display method
In a digital display system including a stroke scanning mechanism, a method which comprises the steps of displaying symbology and increasing or decreasing the...
US-5,317,316 Method of altitude track initialization in an aircraft tracking system
A method of processing a plurality of replies of target aircraft provided in response to interrogation signals from the surveillance aircraft during surveillance...
US-5,317,286 Power combining oscillator
An array of unit oscillators interconnected with one another in that the transistors of the oscillators are connected to common lines. Separate lines in...
US-5,317,251 Peak magnetic field detector with non-volatile storage
A peak current detecting and non-volatile storage device has a substrate having a hole. Individual magnetic field detecting elements are located on the substrate...
US-5,316,727 Measuring apparatus
A measuring apparatus of the present invention measures the constituent concentration of a specimen after loading into the apparatus a test piece having a test...
US-5,315,100 Photoelectric conversion apparatus for detecting movement of object with spatial filter electrode
A photoelectric conversion apparatus includes a pair of opposite electrodes, and an amorphous silicon film. The amorphous silicon film is sandwiched between the...
US-5,314,004 Thermostat for a variable capacity HVAC and method for providing a ramping set point on a setback thermostat
A thermostat for providing control signals to a variable capacity HVAC system. The thermostat being a setback thermostat with a ramping set point for the...
US-5,313,625 Fault recoverable computer system
In a computer system having fault recoverable capability, there is included a first and second data processing unit (DPU), wherein each of the first and second...
US-5,313,488 Ring laser discharge starting concept
The anodes in a ring laser gyroscope are appropriately positioned for the easy starting of a gas discharge and maintaining the discharge at a lower electrical...
US-5,313,154 Apparatus for detecting a frequency deviation between two frequency sources
The apparatus detects a difference of frequency between a first signal having a first frequency and a second signal having a second frequency, the first and...
US-5,311,542 Spread spectrum communication system
A spread spectrum communication system having a plurality of transmitters at remote locations capable of transmitting information to one or more receivers during...
US-5,311,538 Case-mounted RLG readout having block mounted optical sensor
A readout device is provided for use in a ring laser angular rate sensor assembly which has improved low rate performance. Low rate performance is improved by...
US-5,311,406 Microstrip printed wiring board and a method for making same
A multi-layered printed wiring board for high frequency application includes a first board of polytetrafluoroethylene (PTFE) having a metallic sheet on each...
US-5,311,337 Color mosaic matrix display having expanded or reduced hexagonal dot pattern
A display comprises a plurality of adjacent pixels wherein each pixel comprises three subpixels arranged in a triangular pattern, each having a hexagonal shape...
US-5,309,730 Thermostat for a gas engine heat pump and method for providing for engine idle prior to full speed or shutdown
A thermostat which provides a pulse width modulated signal to a gas engine heat pump controller. The thermostat varies the width of the pulse width modulated...
US-5,309,459 Laser gyro smart digital PLC acquisition control
In the present invention, an A/D converter is utilized to feed the relative positions of the gyro mirrors as well as the gyro body temperature to a digital...
US-5,309,445 Dynamic self-checking safety circuit means
A safety circuit for monitoring computer hardware that can create an unsafe condition if a failure occurs. The circuit includes a microprocessor, a keyword...
US-5,309,389 Read-only memory with complementary data lines
A plurality of single transistor memory cells arrayed in columns with the memory cells within a column connected to one or the other of precharged first and...
US-5,309,169 Visor display with fiber optic faceplate correction
A display system for use with headgear of a user includes a visor display mounted to the headgear so as to define a cavity between the head of the user and an...
US-5,308,779 Method of making high mobility integrated drivers for active matrix displays
High mobility thin film transistors for fabricating integrated drivers for active matrix displays and a special method of fabrication for obtaining the thin film...
US-5,308,575 Sintered dense laser block
A sintered dense laser block constructed of ceramic metal composition manufactured through sintering, conventional machining and electro discharge machining. A...
US-5,308,461 Method to deposit multilayer films
The present invention discloses a method to deposit thin films on a substrate. An inert gas is introduced into a radio-frequency excited ion beam gun. The ions...
US-5,307,990 Adaptive forced warm air furnace using analog temperature and pressure sensors
Furnace control for a forced air furnace utilized in multi-zone heating. The forced air furnace is made up of return ducts, a heat exchanger, warm air ducts, a...
US-5,307,409 Apparatus and method for fault detection on redundant signal lines via encryption
A fault detection apparatus and method combines each of a plurality of redundant digital data signals with a unique key signal for transmission over one of a...
US-5,307,050 Display apparatus for a first out type of fault status annunciator having a series of interlock switches
An annunciator for the status of interlock switches connected into a series circuit for supplying power from a power source to a load, includes a memory...
US-5,305,981 Multiaxis vibration isolation system
A system for isolating a supported structure from transmitting vibrations to a supporting base in a spacecraft provides six degrees of freedom in a kinematic...
US-5,304,964 Electrical connector incorporating ground shield spacer
A connector has been designed that incorporates a ground EMI/RFI shield spacer in conjunction with an attached grounded multi-coplanar capacitor board to achieve...
US-5,304,926 Geartooth position sensor with two hall effect elements
A position sensor having two magnetically sensitive devices associated with a magnet. The sensor is disposable proximate a rotatable member having at least one...
US-5,303,767 Control method and system for controlling temperatures
A system and method for controlling the operation of a Heating, Ventilation and Air Conditioning (HVAC) system for use primarily in a building having more than...
US-5,303,612 Increased diameter detachable thermostat knob allowing easier thermostat use
A knob accessory for a round thermostat of the type having a centrally located thermostat adjustment knob, has a relatively large diameter which allows easier...
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