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| Patent # | Description |
|---|---|
| US-5,554,958 |
Inverting amplifier having a low noise biasing network An operational amplifier with reduced bias circuit noise. The present invention reduces the noise contribution of the non-inverting input bias circuit. This... |
| US-5,554,957 |
Programmable function current mode signal module A balanced current amplifier mirrors either a fully differential or single ended input signal into common output circuits in a manner to generate a fully... |
| US-5,554,956 |
Othogonal insertion phase tuning method An orthogonal insertion phase tuning method for easily and efficiently tuning insertion phase without affecting other critical system parameters. The method is... |
| US-5,554,955 |
Method and apparatus for removing the effects of co-channel interference
from the message on a dominant... Method and apparatus for improving an estimate of a message being carried by a frequency modulated dominant carrier in the presence of co-channel interference... |
| US-5,554,954 |
Circuit for biasing FET amplifier with single power supply A power supply circuit disclosed herein includes a three-terminal regulator for stabilizing a positive voltage applied thereto, a voltage converter for... |
| US-5,554,953 |
Internal reduced-voltage generator for semiconductor integrated circuit A reference voltage generator is composed of a first constant-voltage generator consisting of three p-type MOS transistors for generating a first reference... |
| US-5,554,952 |
Fast responding method and apparatus for three phase A/C voltage sensing An apparatus for generating a sensing signal from a generally periodic multi-phase AC signal is set forth. The apparatus utilizes a plurality of integrator... |
| US-5,554,951 |
Signal conditioning apparatus and method exhibiting accurate input
impedance and gain characteristics over... A signal conditioning apparatus useful in applications, such as automotive applications, having a signal conditioning circuit capable of conditioning a sensor... |
| US-5,554,950 |
Delay line providing an adjustable delay in response to binary input
signals A plurality of binary signals each having first and second logic levels respectively representing a binary "1" and a binary "0" and each indicating a binary... |
| US-5,554,949 |
Circuit arrangement for delaying a functional signal A circuit arrangement for delaying a useful signal which is stored in the form of time-discrete signal samples in a row of storage devices at time intervals... |
| US-5,554,948 |
Adaptive threshold circuit with deceleration compensation An adaptive threshold circuit for use with a magnetic type of sensor that has a pick-up coil. The pick-up coil has an alternating voltage induced therein when a... |
| US-5,554,947 |
Wave-shaping circuit with feedback circuit for adjusting central voltage
level of input alternating signal A wave-shaping circuit is provided which converts an input alternating signal into a pulse signal. The wave-shaping circuit includes a level-adjusting circuit... |
| US-5,554,946 |
Timing signal generator A programmable, timing signal generator propagates a digital wave along a delay chain comprised of series connected inverters that has sufficient stages that the... |
| US-5,554,945 |
Voltage controlled phase shifter with unlimited range A voltage-controlled phase shift apparatus having an unlimited range for producing an output signal that varies in phase from an input signal by a predetermined... |
| US-5,554,944 |
Sampling circuit In a sampling circuit including a first main terminal (P) and a series coupling of a hold capacitor (C2) and a sampling switch (S2) between the first main... |
| US-5,554,943 |
Analog to digital converter having a magnitude amplifier with an
improved differential input amplifier An improved magnitude amplifier (magamp) is provided for a serial-type A/D converter. The magamp includes an improved differential input amplifier circuit to... |
| US-5,554,942 |
Integrated circuit memory having a power supply independent input buffer An integrated circuit memory (114) has a power supply independent address buffer (50) that comprises an inverter (60), a bipolar transistor (67), and a P-channel... |
| US-5,554,941 |
Self-testing method for irregular CMOS switching structures with high
defect detection A self-testing method for irregular CMOS switching structures with high defect detection is described which combines self testing with linear feedback shift... |
| US-5,554,940 |
Bumped semiconductor device and method for probing the same Probing array bumped semiconductor devices using cantilever probe needles is facilitated by the formation of peripheral test pads. A semiconductor die (10)... |
| US-5,554,939 |
Non-destructive measuring sensor for semiconductor wafer and method of
manufacturing the same The present invention provides a novel sensor preferably used for non-destructive measurement of the electrical characteristics of semiconductors. The sensor is... |
| US-5,554,938 |
Method of evaluating current-driven conductive material An object of the present invention is to provide a method of evaluating current-driven conductive material in which a capability of wiring material to withstand... |
| US-5,554,937 |
Apparatus and method for sensing material level by capacitance
measurement A highly accurate system to measure the level of material in a vessel. A probe is provided in the vessel. The vessel and the probe are at different potentials so... |
| US-5,554,936 |
Mixed fluid time domain reflectometry sensors A sensor for use with time domain reflectometry systems to allow measurement of relative proportions of intermixed constituents having differing electrical... |
| US-5,554,935 |
Mass or weight determination of arbitrarily-shaped dielectric objects by
microwave resonator measurements A method for nondestructively determining the mass of arbitrarily shaped dielectric objects is disclosed. The object is inserted into a microwave resonant cavity... |
| US-5,554,934 |
Method and apparatus for locating a buried element of inductive material
using probe with detector coils After having used a known locator and a known transmitter of an electromagnetic field to find the general line of an element such as a pipe 14, the transmitter... |
| US-5,554,933 |
Polar coordinates sensor probe for testing material surrounding fastener
holes A polar coordinates sensor probe, having a plurality of circularly arranged pick-up poles driven by a rotating magnetic field originating in a hollow toroid... |
| US-5,554,932 |
Measurement of a saturation magnetic flux density through use of a
rotating permanent magnet In order to measure the magnetic saturation flux density of a sample material, a first and a second sample holder are symmetrically position on either side of a... |
| US-5,554,931 |
Portable live line tool tester The portable live line tool tester of the present invention allows high voltage to be applied to discrete segments of a live-line tool. If the tool has become... |
| US-5,554,930 |
Spark plug voltage probe device in an internal combustion engine In a spark plug voltage probe device which detects a voltage applied to a spark plug installed in an internal combustion engine so as to analyze a burning... |
| US-5,554,929 |
Crescent gradient coils A high-conductivity ceramic coil form with an internal water jacket is used to simplify water cooling for 3-axis MRI gradient coil configurations on a single... |
| US-5,554,928 |
Manufacturing defect analyzer A method for detecting faults on a printed circuit board populated with semiconductor electronic components. To detect faults, signal pins on the components are... |
| US-5,554,927 |
Electrical quantity measurement device A device for measuring an electrical quantity of a system under measurement including a Hall element equipped with a pair of current input terminals and a pair... |
| US-5,554,926 |
Modified Faraday cup A tomographic technique for measuring the current density distribution in electron beams using electron beam profile data acquired from a modified Faraday cup to... |
| US-5,554,925 |
Pulse duration modulator and pulse duration modulation type switching
power source A switching transistor is arranged for charging a capacitor in response to a positive going transition of a clock signal. The charging time of the capacitor is... |
| US-5,554,924 |
High speed shunt regulator A high speed shunt regulator comprises a DC current source, a DC voltage reference/current shunt circuit, and first and second Schottky diodes connected in... |
| US-5,554,923 |
Voltage regulator and method for DC power generating system A voltage regulator for a DC power generation system which is comprised of a prime mover driven generator producing an AC voltage output which is rectified to a... |
| US-5,554,922 |
Apparatus for the conversion of pressure fluctuations prevailing in
fluid systems into electrical energy An apparatus for the conversion of pressure fluctuations prevailing in fluid systems into electrical energy includes in a casing (1) a first chamber (4) which... |
| US-5,554,921 |
Battery charger apparatus and method with multiple range current control An improved battery charger apparatus and method with multiple range current control includes a programmable current source (101) for providing a charge current... |
| US-5,554,920 |
Rechargeable battery charging method A rechargeable battery is supplementary charged after peak battery voltage is detected. The time interval for supplementary charging is variable and set as a... |
| US-5,554,919 |
Charge/discharge circuit having a simple circuit for protecting a
secondary cell from overcharging and... A charge/discharge circuit includes a charge/discharge path consisting of only an N-channel MOS transistor connected between a first terminal to be connected to... |
| US-5,554,918 |
Mechanically-rehargeable battery A mechanically-rechargeable single-cell consumer electric battery for generating up to two volts, the battery being capable of electrical recharge. The battery... |
| US-5,554,917 |
Apparatus for regulating the power consumption of a vacuum cleaner In an apparatus for regulating the power consumption of a vacuum cleaner, it is proposed to detect the pulsating alternating current present at the driving... |
| US-5,554,916 |
Method of starting a sensorless motor A method of starting a sensorless motor comprising a stator provided with three-phase stator coils to which an exciting current is supplied, and a rotor provided... |
| US-5,554,915 |
High impedance AC coupling method for quick command response in torque
compensation systems A high impedance AC coupling arrangement that processes a transducer feedback signal derived from an output shaft of an electric vehicle motor to compensate for... |
| US-5,554,914 |
Micro robot A micro robot having a size of about 1 cm.sup.3 and capable of wireless control. This robot includes at least two sensors (12, 14) having detection regions... |
| US-5,554,913 |
Blower system for vehicle air-conditioners For enabling discrimination of whether or not a blower motor is in a locked state to be conducted promptly and reliably irrespective of the motor speed, a blower... |
| US-5,554,912 |
Adaptive instrument display brightness control system An adaptive instrument display brightness control system that automatically controls the instrument display brightness of a vehicle based on a vehicle operator's... |
| US-5,554,911 |
Light-emitting elements A multi-color light-emitting element has at least two optical micro-cavity structures having respectively different optical lengths determining their emission... |
| US-5,554,910 |
Elastic restraint for flat panel displays A substantially rectangle shaped frame for rigidly affixing a flat-shaped electrode unit to a rear panel at intermediate parts of the frame and elastically... |
| US-5,554,909 |
One dimensional tension mask-frame assembly for CRT A one-dimensional tension mask-frame assembly for a color cathode ray tube includes a rectangular frame whose top and bottom members each have inwardly flexed... |
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