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Patent # Description
US-D398,045 Air cleaner
US-D398,043 Portable humidifier
US-5,801,923 Mounting multichip and single chip modules on printed wiring boards
A multichip module is attached to a printed wire circuit board using three conductive mounting feet that are vapor phase soldered to conductive feet on the...
US-5,801,377 Reducing dither induced errors from path length control resets in a ring laser gyro
An integrator in a ring laser gyro that produces an output for changing the path length is reset synchronously with a gyro dither signal to reduce gyro errors...
US-5,800,628 Continuous cycle operation for dishwashers using turbidity sensor feedback
A method for washing objects automatically provides the taking of turbidity measurements before and after a portion of water is removed from the dishwasher. This...
US-D397,779 Window fan
US-D397,775 Heater
US-5,799,030 Semiconductor device with a laser and a photodetector in a common container
A laser and photodetector are combined in a common package. This permits the photodetector to monitor the light intensity emitted by the laser. The laser and...
US-5,797,717 Air conditioning control unit
A contactless output section makes a circuit including a fan motor and an ac power source when a receive portion receives a command signal. A diode bridge and a...
US-5,797,562 Aircraft display combining error tape and reference bugs
An aircraft display combines speed error tapes and multiple speed reference bugs to produce a display which reduces pilot workload. The length of the speed error...
US-D397,417 Base for a stand fan
US-5,796,927 Rate mode hand controller with force reflection
A rate mode robotic control system in which displacement of a hand-control element from a null position generates a robotic control signal to command ...
US-5,796,609 Method and apparatus for internal model control using a state variable feedback signal
The present invention relates generally to the control of processes which include relatively long time delays, yet which are susceptible to transient external...
US-5,796,260 Parametric test circuit
A test circuit for input threshold voltage of an integrated circuit uses input pins and logic elements connected in a tree arrangement. The output of the tree...
US-5,795,394 Coating weight measuring and control apparatus
A sensor and a method for determining the basis weight of a coating material containing CaCO.sub.3 on a substrate is described. The determined basis weight is...
US-D397,200 Dual window fan
US-D397,195 Humidifier
US-D397,193 Portable electric heater
US-D397,192 Portable electric fan-heater
US-5,793,808 Digital processing apparatus and method to control multiple pulse width modulation drivers
Apparatus and method for controlling a plurality of pulse width modulated devices from a single controller including condition sensors to input the controller, a...
US-5,793,486 Dual spectrometer color sensor
Disclosed is an apparatus for measuring on-line the color and color-related properties of a moving sheet. Contrast ratio reflectance measurements are made for...
US-5,792,958 Pressure sensor with a compressible insert to prevent damage from freezing
A pressure sensor is provided with a compressible insert that is disposed within an internal opening of a potentially frangible component, such as a tubular...
US-5,790,898 Information processing apparatus using finite state machine
An information processing apparatus uses a triad-based state transition model which is implemented in a state machine for making rational determinations on the...
US-5,789,883 Pulse duration modulated switched reluctance motor control
A method and apparatus for exciting and controlling a switched reluctance motor having pulse duration modulated current provided to the windings of the motor. A...
US-5,787,333 Aircraft survivability equipment training method and apparatus for low flyers
An apparatus and method for aircraft survivability equipment training. The disclosure is particularly directed to the use of such an apparatus and method for...
US-5,786,922 Dual signal subharmonic carrier for systems with unknown delay
A system used with a system having a carrier delay to determine the phase of a signal before the delay and to recover the signal after the delay. Two signals at...
US-5,785,281 Learning autopilot
A learning autopilot for a vehicle provides the capability to command complex maneuvers or maneuver the vehicle when control by its ground station is not...
US-D396,527 Portable electric heater
US-D396,526 Portable electric heater
US-5,783,854 Thermally isolated integrated circuit
Thermally isolated circuit formed on a semiconductor on insulator structure includes a semiconductor surrounded by a semiconductor outer portion with an...
US-5,781,398 Dual fault tolerant actuator control system
A dual fault tolerant control system for controlling power delivered to an actuator from a power source includes decoders which accept commands representing the...
US-5,781,300 Backscatter error reducer for interferometric fiber optic gyroscope
A backscatter or secondary wave error reducer for an interferometric fiber optic gyroscope having at least one phase modulator for receiving a square wave bias...
US-5,780,771 Hermetically sealed housing having a flex tape electrical connector
Disclosed is a hermetically sealed housing assembly for protecting electrical equipment. The housing assembly includes a hermetically sealed housing member...
US-5,780,742 Mechanical resonance, silicon accelerometer
A silicon accelerometer includes a plurality of silicon layers. The silicon layers form first and second silicon beams supported by flexure members. An...
US-5,778,203 Aircraft display and control system with virtual backplane architecture
An aircraft control system improves system flexibility, scalability, redundancy, and separation. The system uses a "virtual backplane" architecture which...
US-5,778,041 System and process for measuring ash in paper
A system and process are provided for determining the concentration of a first component of a mixture wherein the first component includes at least 3 materials....
US-5,777,872 Method and system for controlling a multiple input/output process with minimum latency
A control system regulates a controlled process. A first controller receives at least a first input variable and a second input variable and produces at least a...
US-5,777,598 Computer-generated display permitting alignment of one scale of each of a plurality of graphs
A computer system receives a number of different dependent variable data sets, all varying with respect to a single independent variable such as time, and...
US-5,775,472 Multi-axis tuned mass damper
A tuned mass damper using a single predetermined mass connected to springs of predetermined stiffness along each of at least two directions to absorb energy from...
US-5,774,832 Inertial navigation with gravity deflection compensation
The novel navigation system, suited for commercial aircraft, includes a sensor for outputting a signal representing a first navigation parameter, a memory having...
US-5,774,487 Filamented multi-wavelength vertical-cavity surface emitting laser
A Vertical-Cavity Surface Emitting Laser (VCSEL) for producing a filamented light output. In a preferred embodiment, this is accomplish by providing a number of...
US-5,774,216 RLG dither noise injection by means of reference modulation
To reduce the accumulative lock-in effects of the ring laser gyroscope, the dither circuitry is provided with low frequency dither amplitude modulation. Such...
US-5,773,714 Scanner beam dynamic deflection measurement system and method
In a scanner used in a paper-making process to measure basis weight and other parameters of the fabricated paper sheet, variations in the separation of an...
US-5,773,311 Method for providing a test connection and a permanent connection site on an unpackaged semiconductor die
A method of making a temporary connection to an unpackaged semiconductor die, removing the temporary connection and preparing the site of the temporary...
US-5,772,322 Resonant microbeam temperature sensor
A temperature sensing device employs a resonant polysilicon beam, in combination with electrical circuitry for oscillating the beam at its natural resonant...
US-D395,703 Air cleaner
US-5,771,157 Chip-on-board printed circuit assembly using aluminum wire bonded to copper pads
A printed circuit board carries a microcircuit package electrically connected to bare copper connector pads on the printed circuit board microcircuit package by...
US-5,770,129 Apparatus and method for controlling mass flow in an extrusion die
An apparatus and method for controlling mass flow in an extrusion die provides cross-directional measurements of at least one property of an extrusion produced...
US-D395,496 Fan support rod
US-D395,491 Humidifier with outlet grill and medicine cup
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