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7023684 |
Variable position sensor employing capacitance
A variable position sensor has a stationary portion and a moveable portion. A plurality of plates are positioned on one of the members with the surfaces of the plates forming segments of a larger...
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6815813 |
Self-contained heat sink and a method for fabricating same
A system and method are provided for thermal dissipation from a heat producing electronic device. The system includes a substrate for fabricating integrated circuits, the substrate having a first...
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6549394 |
Micromachined parallel-plate variable capacitor with plate suspension
A capacitor having a bottom plate, a top plate and a support connected to the center portion of the top plate for positioning the top plate over the bottom plate and separated therefrom by a gap....
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6473289 |
Vacuum variable capacitor
An improved vacuum variable capacitor can include one or more characteristics that provide advantages over previous vacuum variable capacitors. In particular, the vacuum variable capacitor can be...
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6177800 |
Method and apparatus for using shuttered windows in a micro-electro-mechanical system
A windowed shutter on a micro-electro-mechanical system improves output current of a non-contacting electrostatic voltmeter. The output current is increased by increasing the area modulated by the...
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5768089 |
Variable external capacitor for NMR probe
A variable external capacitor produces greater functionality for NMR probes by reducing the size of components and efficiently arranging the components. The variable external capacity has a cavity...
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5610528 |
Capacitive bend sensor
A capacitive bend sensor includes a first element having a comb-patterned portion of conducting material, and a second element having a comb-patterned portion of conducting material. A dielectric...
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5471202 |
Rotation sensing device for detecting a fine displacement of a handle and control system in electrical power steering device
A rotation sensing device for detecting a fine displacement of a handle and control system for use in an electrical power steering device in vehicles and a motor driving device in industrial...
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5375033 |
Multi-dimensional precision micro-actuator
Mechanically movable microstructure fabricated from a single crystal such as silicon and actuator structures for providing a high degree of controlled, precision motion of nanometer-scale variable...
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5317351 |
Position detecting device
A position detecting device comprises a movable member, a first electrode movable with the movement of the movable member, and a second electrode disposed at a location opposed to the first...
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4814729 |
Precisely tunable impatt diode module for weather radar apparatus
A microstrip IMPATT circuit tuning mechanism for use with RF producing IMPATT diode combinations including a microstrip circuit board and a external load line connected by a coupling spring...
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4464699 |
Shock proof adjustable low-loss capacitor
Apparatus for an adjustable low-loss capacitor, which can withstand the application of high shock forces without a corresponding change in a preselected value of capacitance, is described. This...
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4415949 |
Air trimmer capacitor
A variable air trimmer capacitor has its annular interfitting electrodes movable axially with respect to each other by the helical threads of the rotor moving through the coils of a spring....
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4305113 |
Adjustable low loss capacitor with slotted rotor
A rotor for an adjustable low loss capacitor having a hollow cylindrical stator with an internally threaded bushing at one end, an axially adjoining insulative cylindrical body, a conductive end...
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RE30406 |
Adjustable low-loss capacitor
A low loss capacitor having hollow cylindrical electrodes which are coaxially interleaved. The capacitance is varied by rotation of the rotor electrodes which are mounted on a screw member for...
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4177495 |
Variable electric capacitor
A variable electric capacitor has two electrode units consisting of a plurality of plates or a single spirally wound plate with several turns. The plates or turns have opposite lateral edges, one...
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3808479 |
AIR DIELECTRIC CAPACITOR
A variable capacitor assembly includes a tubular insulative housing, a cylindrical stator electrode with concentric, radially spaced walls in the housing, a cylindrical conductive bushing axially...
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3700983 |
VARIABLE CAPACITOR HAVING A SOLID DIELECTRIC BETWEEN ITS ELECTRODES
A capacitor having a stationary electrode, a movable electrode, and a solid dielectric material between the electrodes. The solid dielectric occupies no more than a portion of the gap between the...
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3688226 |
TUBULAR ELECTRONIC REACTOR COMPONENT HAVING AN EMBEDDED ELECTRODE
An electronic reactor component is comprised of a tubular, monolithic, dielectric body in which is embedded a thin metallic electrode. The component is formed by bonding a metallic layer to a thin,...
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3675093 |
VARIABLE CAPACITOR
The invention relates to variable capacitors suitable for high frequency, high voltage, low loss applications. The capacitor is formed of at least two sections or elements which are relatively...
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3624469 |
ANTIBACKLASH SCREW-THREAD ADJUSTABLE ROTOR FOR LOW-LOSS CAPACITOR
A low-loss capacitor having hollow cylindrical electrodes which are coaxially interleaved. The capacitance is varied by rotation of the rotor electrodes which are mounted on a screw member for...
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3611075 |
HIGH-FREQUENCY VARIABLE VACUUM CAPACITOR
A vacuum or hermetically sealed variable capacitor in which a set of floating movable concentric cylindrical plates are insulated from but mechanically connected to the axially movable shaft and...
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3543107 |
LOW-LOSS,EXTENDED-RANGE,TUNEABLE FIXED CAPACITOR
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3536967 |
VARIABLE CAPACITOR
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3506894 |
DUAL-DIELECTRIC CAPACITOR
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3483450 |
AIR DIELECTRIC ADJUSTABLE CAPACITOR
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3469160 |
ADJUSTABLE LOW-PASS CAPACITOR
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3382421 |
Trimmer capacitor
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3336515 |
Variable capacitor with a torque mechanism
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3221256 |
Electrostatic position transducer
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3204162 |
Ultra-high frequency variable reactance
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3175136 |
Concentric-vane variable capacitor with seal
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3151239 |
Interpolation devices
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3140454 |
Band width varying means for a sweep frequency oscillator
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3117379 |
Adjustable impedance strip transmission line
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3071742 |
Apparatus for tuning a radio frequency
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3067385 |
Oil monitor
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3047824 |
Tuner chassis with integral shield and condenser plate
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3011147 |
Self-directing seismograph
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2915717 |
Transmission-line tuning device
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2871345 |
Ultra high frequency tuners or converters
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2859348 |
Frequency selector
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2833926 |
Tracking adjustment for variably capacitively end-loaded long-line ultra high frequency tuner
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2786976 |
Circuit component
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2779874 |
Electronic lock
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