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| Patent # | Description |
|---|---|
| US-6,380,842 |
Electronic key An electronic key for use with a vehicle locking system controls at least one of a door locking feature and an ignition lock feature on the vehicle. The... |
| US-6,380,841 |
Variable resistor A variable resistor is constructed to reliably seal the space between a rotor and a substrate without insert-molding the substrate into a case, and to be... |
| US-6,380,840 |
Temperature sensor with measuring resistor An easy to manufacture temperature sensor has a measuring resistor with a substrate having an electrically insulating surface and a resistance layer situated... |
| US-6,380,839 |
Surface mount conductive polymer device A surface mount conductive polymer device includes a layer of conductive polymer material laminated between first and second metal foil electrodes. A thermal... |
| US-6,380,838 |
Semiconductor device with repair fuses and laser trimming method used
therefor A semiconductor device with repair fuses is provided, which decrease the fuse pitch and the fuse occupation area without short circuit among the adjoining repair... |
| US-6,380,837 |
Slow acting fuse with wide range of current ratings A fuse assembly is provided having two fusible elements, electrically in parallel with each other, thereby providing the fuse assembly with increased inrush... |
| US-6,380,836 |
Coil device and switching power supply apparatus using the same A switching power supply has a transformer for power transmission. A core is provided having an intermediate leg and at least a pair of external legs arranged at... |
| US-6,380,835 |
Symmetric multi-layer spiral inductor for use in RF integrated circuits A symmetric multi-layer inductor, providing an increased inductance of a conventional dual-layer inductor, exhibits a quality factor comparable to or better than... |
| US-6,380,834 |
Planar magnetic assembly A magnetic assembly is constructed comprising a first core portion, a second core portion, and a winding assembly. The first and second core portions each... |
| US-6,380,833 |
Encapsulated magnet assembly and method for making the same An encapsulated magnet assembly comprises a non-metallic housing and a magnet disposed within a housing magnet chamber. A housing end cap is fuse bonded to the... |
| US-6,380,832 |
Electromagnetic actuator An electromagnetic actuator for an automotive internal combustion engine is provided which has a stator, the weight of which is reduced. The electromagnetic... |
| US-6,380,831 |
Starter motor magnetic switch having auxiliary relay A magnetic switch having a main motor switch for supplying power from a battery to a starter motor and an auxiliary relay for operating the motor switch is... |
| US-6,380,830 |
Low-voltage circuit-breaker with a retrofitted power-driven lift A low-voltage circuit breaker includes a retrofittable motor reset mechanism. Its output shaft can be coupled to a charging shaft, mounted in a bearing block, of... |
| US-6,380,829 |
Motor operator interlock and method for circuit breakers An operating mechanism comprises an operating handle movable between on and off positions, the operating handle extending substantially up at a point between... |
| US-6,380,828 |
Surface wave devices with static electric field A tapered IDT function is provided in an IDT of a SAW device having fingers substantially parallel to one another by applying a static electric field to a... |
| US-6,380,827 |
Surface acoustic wave filter and branching filter utilizing it Disclosed is a surface acoustic wave filter having a first serial-arm SAW resonator coupled to an input terminal and a first dual-mode SAW resonator coupled... |
| US-6,380,826 |
Filter assembly A filter assembly includes a printed circuit board having a filtering circuit and a ground plane. A body receives the printed circuit board. The printed circuit... |
| US-6,380,825 |
Branch tee dielectric waveguide line A high-frequency dielectric waveguide line comprising a dielectric substrate with two conductor layers on its two surfaces, and a plurality of rows of through... |
| US-6,380,824 |
Dielectric filter, composite dielectric filter, duplexer, and communication
apparatus There is provided a dielectric filter comprising: a dielectric block; a plurality of resonance lines aligned substantially in parallel in the dielectric block;... |
| US-6,380,823 |
Antenna duplexer with receiving, transmitting, and antenna terminal groups
separated planarly An antenna duplexer including two duplexer elements each including two surface acoustic wave filters having different center pass band frequencies and connecting... |
| US-6,380,822 |
Waveguide switch for routing M-inputs to M of N-outputs A satellite signal routing system includes a satellite using one or more waveguide switches for routing M-inputs to M of N-outputs. A waveguide switch includes a... |
| US-6,380,821 |
Substrate shielded multilayer balun transformer A balun transformer having two series connected transformers with each having a primary loop conductor disposed in a stacked configuration. One portion of each... |
| US-6,380,820 |
Isolator utilizing a planar dielectric transmission line with a resistive
film A nonreciprocal circuit device includes conductive films that define a slot on the top of a magnetic member having ferrimagnetic characteristics. On the bottom... |
| US-6,380,819 |
Tuning method for filters having multiple coupled resonators A tuning method for filters having multiple coupled resonators isolates the characteristics of each resonator, enabling a specified filter response to be... |
| US-6,380,818 |
Structure for reducing the mutual inductance between two adjacent
transmission lines on a substrate A structure for reducing the mutual inductance between two adjacent transmission lines on a substrate according to the invention includes a loop-shaped... |
| US-6,380,817 |
Oscillators with the multi-layer non-radiative dielectric waveguide
structure The present invention relates to an oscillator with the multi-layer non-radiative dielectric waveguide structure, which is able to generate various frequencies... |
| US-6,380,816 |
Oscillator and voltage controlled oscillator An oscillator which oscillates at a predetermined frequency includes a first inverting amplifier and a second inverting amplifier connected in antiparallel with... |
| US-6,380,815 |
Microwave pulse generator The invention relates to a microwave pulse generator for generating microwave pulses with a pulse duration in the nanosecond range. The microwave pulse generator... |
| US-6,380,814 |
Voltage-controlled oscillator having a variable capacitive element with an
electrode coupled to a resonator A dielectric resonator is formed on a dielectric substrate. A pair of microstrip lines is formed to be electromagnetically coupled with the dielectric resonator.... |
| US-6,380,813 |
Frequency-characteristic switchable buffer circuit The frequency-characteristic switchable buffer circuit includes an amplifying stage, a parallel resonance circuit which serves as an output load of the... |
| US-6,380,812 |
Dual-oscillator trim method A method for improving the accuracy, from .+-.2.5% to less than .+-.1%, and time, from 8 seconds to less than 4 seconds, for trimming the dual frequency of an... |
| US-6,380,811 |
Signal generator, and method A signal generator (100) receives an input clock signal (X.sub.1) at a first frequency (F.sub.1) and derives an output clock signal (Y) at a second frequency... |
| US-6,380,810 |
Reduced lock time for a phase locked loop A reduced lock time phase locked loop has a speed up circuit with an operational amplifier to amplify a differential voltage across a filter resistor of an RC... |
| US-6,380,809 |
Method and apparatus for tuning oscillator to a selected frequency The present invention discloses an apparatus and method for tuning an oscillator to a selected frequency during power measurements of a neighbor list. In... |
| US-6,380,808 |
Push-pull amplifier circuit with idling current control A push-pull amplifier circuit includes a push-pull output circuit having a P-channel FET 11 and an N-channel FET 10 connected in series between supply potentials... |
| US-6,380,807 |
Dynamic bridge system with common mode range extension A dynamic bridge system with common mode range extension includes a dynamic bridge circuit having a pair of input terminals for receiving common mode and normal... |
| US-6,380,806 |
Differential telescopic operational amplifier having switched capacitor
common mode feedback circuit portion The present invention provides a fully differential telescopic operational amplifier having a switch capacitor common mode feedback (CMFB) circuit portion. The... |
| US-6,380,805 |
Operational amplifier with multiple complementary P-channel and N-channel
input pairs to reduce... In accordance with the present invention complementary P-channel and N-channel input pairs of transistors form in an op amp. Two sets of such pairs are provided... |
| US-6,380,804 |
Method and apparatus for switching stages of a multistage amplifier quickly
between operational modes The stages of a multistage amplifier are quickly switched between operational modes, e.g., from a standby mode to an active mode. The delivery of a control... |
| US-6,380,803 |
Linear amplifier having discrete resonant circuit elements and providing
near-constant efficiency across a wide... A linear amplifier comprises an electron gun assembly having a cathode, and an anode spaced from the cathode. A relatively high voltage potential is applied... |
| US-6,380,802 |
Transmitter using input modulation for envelope restoration scheme for
linear high-efficiency power amplification An apparatus and method for creating an amplifier input waveform based on received phase and amplitude information from an input signal. The apparatus includes a... |
| US-6,380,801 |
Operational amplifier An operational amplifier having two differential input stages. A first one of the stages comprises a pair of first input transistors and another one of such... |
| US-6,380,800 |
Pump area reduction through the use of passive RC-filters or active filters A method and apparatus for filtering an output voltage of a charge pump to reduce peak values which cause stress. A charge pump generates a pumped voltage which... |
| US-6,380,799 |
Internal voltage generation circuit having stable operating characteristics
at low external supply voltages An internal voltage generation circuit is provided which can stably generate an internal supply voltage even if an external supply voltage decreases. The... |
| US-6,380,798 |
Semiconductor integrated circuit apparatus A semiconductor integrated circuit apparatus includes a first controlled circuit having at least one MOS transistor and a substrate bias control unit for... |
| US-6,380,797 |
High speed low voltage differential signal driver circuit having low
sensitivity to fabrication process... An LVDS (Low Voltage Differential Signal) driver circuit having low sensitivity to fabrication process variation, power supply noise voltage variation, and... |
| US-6,380,796 |
Semiconductor power converting apparatus A semiconductor power converting apparatus includes a semiconductor element for controlling a current flowing between a collector and an emitter in response to a... |
| US-6,380,795 |
Semiconductor integrated circuit An input circuit is established between an input pad and a first stage input gate; a determining portion and switching portion are established in this input... |
| US-6,380,794 |
Hybrid circuit having current source controlled by a comparator A current mode logic circuit having npn transistors coupled to an NMOS current source provides a substantially constant current when controlled by an opamp... |
| US-6,380,793 |
Very high voltage switch A push-pull switch including a first N-channel MOS transistor, the drain-source path of which is connected between a high voltage terminal and an output... |
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