Matches 1 - 45 out of 45
Match Document Document Title
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...
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...
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....
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...
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...
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...
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...
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...
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...
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...
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...
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...
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....
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...
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...
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...
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...
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...
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,...
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...
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...
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...
3543107 LOW-LOSS,EXTENDED-RANGE,TUNEABLE FIXED CAPACITOR  
3536967 VARIABLE CAPACITOR  
3506894 DUAL-DIELECTRIC CAPACITOR  
3483450 AIR DIELECTRIC ADJUSTABLE CAPACITOR  
3469160 ADJUSTABLE LOW-PASS CAPACITOR  
3382421 Trimmer capacitor  
3336515 Variable capacitor with a torque mechanism  
3221256 Electrostatic position transducer  
3204162 Ultra-high frequency variable reactance  
3175136 Concentric-vane variable capacitor with seal  
3151239 Interpolation devices  
3140454 Band width varying means for a sweep frequency oscillator  
3117379 Adjustable impedance strip transmission line  
3071742 Apparatus for tuning a radio frequency  
3067385 Oil monitor  
3047824 Tuner chassis with integral shield and condenser plate  
3011147 Self-directing seismograph  
2915717 Transmission-line tuning device  
2871345 Ultra high frequency tuners or converters  
2859348 Frequency selector  
2833926 Tracking adjustment for variably capacitively end-loaded long-line ultra high frequency tuner  
2786976 Circuit component  
2779874 Electronic lock  
Matches 1 - 45 out of 45