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Patent # Description
US-6,157,262 Phase locked loop frequency source having reduced load pull
A phase locked loop frequency source with greatly reduced load pull susceptibility is achieved by using a voltage controlled oscillator of frequency which is...
US-6,156,982 Low current high temperature switch contacts
A low ampere mechanical switch has a contact design creating a line of contact between the moveable and stationary contacts. The stationary contacts are...
US-6,156,944 Extraction of hydrogen fluoride from a halocarbon/hydrogen fluoride azeotropic mixture
A process for the separation of mixtures containing halocarbons and hydrogen fluoride. Either water alone or a blend comprising water and hydrogen fluoride is...
US-6,156,812 Nanoporous material fabricated using polymeric template strands
Compositions and methods are provided in which nanoporous polymeric materials are produced via stable, polymeric template strands having reactive groups that can...
US-6,156,085 Filter air cleaner
A portable air cleaner comprising a cylindrical filter element mounted on a circular base and encased by a cylindrical cover. A centrifugal fan mounted within...
US-6,155,431 Filter assembly
A filter assembly is provided having a housing defining a housing edge. A tapping plate is also provided and is generally circular in shape. The tapping plate...
US-6,155,133 Electronic treadle four bar assembly
A treadle assembly for supplying an electrical signal to an electronic controlled engine includes a treadle pivotally mounted to a treadle lever. The treadle...
US-D434,841 Air cleaner
US-6,154,691 Orienting a satellite with controlled momentum gyros
Controlled momentum gyros are rotated to change the attitude of a satellite as rapidly as possible by rotating them along a great circle path on an imaginary...
US-6,154,033 Method and apparatus for analyzing nickel-cadmium batteries
A system and method for comprehensive analysis of a multi-cell battery, such as of the nickel-cadmium type, on an individual cell level basis and overall battery...
US-6,154,024 Metal immune magnetic tracker
A head mounted tracker is placed in the operator area near the operator. The tracker has the capability to map the operator area without manual assistance. These...
US-6,153,721 Preparation of polyindanebisphenols and polymers derived therefrom
Novel polyindanebisphenols or PIBPs for the preparation of new and improved thermosetting polymers having the general formula of ##STR1## are provided. Also...
US-6,153,070 Sensor packaging using heat staking technique
An environmental sensor apparatus and method of making same is disclosed in which an environmentally sensitive silicon die is sandwiched between an elastomeric...
US-6,153,060 Sputtering process
A method for coating substrates having sides of the substrate with unequal adhesion properties includes the steps of non-symmetrically coating the substrate by...
US-6,152,148 Method for cleaning semiconductor wafers containing dielectric films
A method for cleaning the surface of a semiconductor wafer having an organic dielectric film thereon by removing residual slurry particles adhered to the wafer...
US-D434,338 Remote sensor temperature controller
US-6,149,770 Underwire water weight turbulence sensor
A system and method of providing on-line turbulence measurements in a sheetmaking machine and using these measurements to perform on-line adjustments to...
US-6,149,141 Portable evaporative humidifier apparatus
A humidifier including a housing defining an air inlet, an air outlet, an air flow path between the inlet and outlet and a liquid reservoir; a blower system for...
US-6,149,138 Portable humidifier with keyed replaceable cartridge element
A portable humidifier including a housing defining an air inlet, an air outlet, and an air flow path therebetween; a retainer disposed in the housing and...
US-6,148,270 Fast target distance measuring device and high-speed moving image measuring device
A distance measuring device includes first and second cameras, first and second Fourier pattern data generating sections, a pattern processing section, and a...
US-6,147,922 Non-volatile storage latch
In one aspect of the present invention, a non-volatile latching element is provided that includes one or more magnetic elements therein. By programming the...
US-6,147,870 Printed circuit assembly having locally enhanced wiring density
A printed circuit assembly and method of making the same facilitates the attachment of high density modules onto a printed circuit board. In one embodiment, the...
US-6,147,807 High brightness see-through head-mounted display
A head mounted display to view a created image and an external scene includes a display displaying the image and a prism receiving the image which includes a...
US-6,147,362 High performance display pixel for electronics displays
A high performance pixel is described for active matrix electronic displays. The pixel combines a compact, mesa-isolated PMOS access transistor with a novel,...
US-D433,730 Valve body
US-6,144,788 High stability fiber light source
A fiber light source having, for instance, a 980 nm pump laser for pumping an erbium-doped optical fiber via a 980/1550 nm WDM coupler. The pumped fiber emits...
US-6,144,536 Illumination system with light recycling to enhance brightness
An optical illumination system is comprised of: (a) a light source means having a reflective emitting surface and an intrinsic luminance (brightness), (b) a...
US-6,144,285 Thermal sensor and method of making same
A two level microbridge infrared thermal detector having an upper detector planar section (a) comprising a temperature responsive detector of an oxide of...
US-6,144,265 Calibrated high power radio frequency step attenuator
A high power radio frequency(RF) precision step attenuator includes a trim attenuator, a multi-step attenuator and a calibration/control circuit. The control...
US-6,143,583 Dissolved wafer fabrication process and associated microelectromechanical device having a support substrate...
The method of the present invention provides a process for manufacturing MEMS devices having more precisely defined mechanical and/or electromechanical members....
US-6,139,196 Method of preparing optical fiber for fusion splicing and method of forming a fusion splice
A method of preparing an optical fiber for fusion splicing comprising the steps of providing an optical fiber having a fiber jacket and an end, removing a...
US-6,138,049 System and methods for generating and distributing alarm and event notifications
The present invention provides systems and methods for controlling associated processes of a process facility and, in particular, for distributing data among...
US-6,137,351 Universal current source and current sink interface
An interface circuit for interfacing a data bus with a current sinking sensor or a current sourcing sensor. An input terminal is connected between a cathode of a...
US-6,137,123 High gain GaN/AlGaN heterojunction phototransistor
A GaN/AlGaN heterojunction bipolar phototransistor having AlGaN contact, i-GaN absorbing, p-GaN base and n-GaN emitter layers formed, in that order, on a UV...
US-6,135,641 Hybrid duplex bearing assembly having thermal compensation
Disclosed is a bearing assembly with thermal compensation. The bearing assembly includes a bearing mechanism defined by a pair of races and a plurality of...
US-6,134,138 Method and apparatus for reading a magnetoresistive memory
A method and apparatus for reading a magnetoresistive memory is disclosed wherein the wordline current is turned off during selected sensing operations. This...
US-6,133,846 Low cost redundant communications system
A communications system capable of providing enhanced data integrity and reliability through redundant buses, and a network interface controller for use...
US-6,131,889 Evaporative humidifier with liquid distribution system
An evaporative humidifier including a portable housing defining an air inlet, an air outlet, an air flow path between the inlet and the outlet, and a liquid...
US-D432,227 Base for a stand fan
US-D432,221 Humidifier
US-6,131,068 Accuracy of an inertial measurement unit
A missile guidance system employs a strap down inertial measurement unit with a separate accelerometer and star sensor that are moved for preflight accelerometer...
US-6,131,056 Continuous attitude control that avoids CMG array singularities
A system for avoiding singularities in a control moment gyro (CMG) array of a satellite uses closed and open loop control of the CMGs for reorientation of the...
US-6,130,827 Power supply gamma protection apparatus
A voltage source supplies power to a ring laser gyro and includes a pulse width modulator that charges an output capacitor network. An apparatus connected to the...
US-6,129,185 Magnetically destiffened viscous fluid damper
Disclosed is a vibration damping and isolation apparatus having a passive damping mechanism. The passive damping mechanism includes a piston and first and second...
US-6,128,556 CMG control based on angular momentum to control satellite attitude
Control moment gyros in an array are rotated to reorient a satellite. Gyro angle is selected from one of three values based upon whether the stored angular...
US-6,126,879 Method of making a cut-resistant fiber and fabrics, and the fabric made thereby
A fiber having increased cut resistance is made from a fiber-forming polymer and a hard filler having a Mohs Hardness Value greater than about 3. The filler is...
US-6,126,866 Multispectral tailorable coatings
A coating comprised of a broadband transparent binder and multilayer thin film particles is applied to the surface of an object. Each particle has a flat...
US-6,126,785 System and method for sheet measurement and control in papermaking machine
Significant improvements in papermaking control can be achieved by employing an array of sensors that are positioned underneath the wire of the machine to...
US-6,126,708 Air plenum filter sealing system
An air duct has a filter mount opening originally intended to accept a shallow filter element for filtering air entering the duct. The opening has an interior...
US-6,126,326 Optical circuit and methods of manufacturing and stowing an optical circuit
An optical circuit comprising first and second fiber optic components, an optical fiber having a first end coupled with the first fiber optic component and a...
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