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Patent # Description
US-5,528,168 Power saving terminated bus
A bus termination method and apparatus, specifically, a terminator circuit, a driver/terminator circuit, and appropriate control logic. The terminator circuit...
US-5,528,167 Combination of terminator apparatus enhancements
An SCSI bus line apparatus including in combination at least two of any of an active deassertion (ADR) circuit, a signal line impedance matching (SLIM) circuit...
US-5,528,166 Pulse controlled impedance compensated output buffer
An improved buffer circuit, particularly a pulse controlled impedance compensated output buffer. The improvement includes two drivers which are activated during...
US-5,528,165 Logic signal validity verification apparatus
A logic signal validity verifier for use in determining the validity of the logic states of a group of logic signals includes an inactive signal fault monitor...
US-5,528,164 Modification to a Y-scan monitor circuit
A supplemental monitoring device which issues an error signal when the monitoring device loses motor drive pulses is disclosed. Also disclosed is providing a...
US-5,528,163 Method of inspecting cells of liquid crystal display
A method of inspecting cells of liquid crystal displays comprising the first step in which the empty TFTs in the active color LCD arrays are energized to charge...
US-5,528,162 Semiconductor device having a test mode setting circuit
In a semiconductor device having "N" input terminals, a high voltage for a mode switching is applied to a first input terminal, and mode setting information is...
US-5,528,161 Through-port load carrier and related test apparatus
Disclosed is a load carrier for use with a test chamber. Such carrier includes (a) an insertion portion having a length about equal to the thickness of a chamber...
US-5,528,160 Spacing frame structure for IC handler
An improved structure for a spacing frame for interfacing a test head of an IC tester and an IC handler wherein the spacing frame can be changed in a short...
US-5,528,159 Method and apparatus for testing integrated circuit chips
A method and apparatus for testing semi-conductor chips is disclosed. The individual semiconductor chips have I/O contacts. The apparatus is provided with an...
US-5,528,158 Probe card changer system and method
A prober tester interface system and a method for loading a probe card into a prober. The interface system includes a stiffener for holding a probe card, the...
US-5,528,157 Integrated circuit package for burn-in and testing of an integrated circuit die
A method for and a disassemblable prepackage arrangement for testing and burning-in an integrated circuit die which will be hermetically sealed within and form...
US-5,528,156 IC analysis system and electron beam probe system and fault isolation method therefor
A stop pattern setting part 203 is provided which permits setting therein a plurality of patterns for stopping the test pattern updating operation of a test...
US-5,528,155 Sensor for measuring material properties
Sensors for measuring properties of resinous materials having an insulating member bonded directly to a conductive strand and a narrow thread-like geometry in...
US-5,528,154 Page identification with conductive traces
A method and an apparatus to electronically identify a page. Each page has a surface conductive trace that is coupled to an electronic circuit to measure the...
US-5,528,153 Method for non-destructive, non-contact measurement of dielectric constant of thin films
A method for measurement of dielectric constant of a thin film is disclosed which is non-destructive and avoids contact with the film and the substrate carrying...
US-5,528,152 Method for measuring transmission parameters of balanced pair
In a method for measuring transmission parameters of a balanced pair, a unbalanced type equipment which is widely used as compared to a balanced type equipment...
US-5,528,151 Thermal fatigue testing using plural test trips with graduated sizing and recessed anchoring
A plurality of fatigue life test strips (16, 18, 20, 22) has each of the strips anchored to a base (12) which is subject to thermal cycling and consequent...
US-5,528,150 Gas sampling apparatus including a sealed chamber cooperative with a separate detector chamber
An isolated detector for gas is set forth and incorporates a closed source chamber in cooperation with a sample chamber through which sample gas flows. Gas...
US-5,528,149 Test circuit for back-up battery
A test circuit for a back-up battery includes a main switch which connects a main power source to a load, and a diode which is interposed between a back-up...
US-5,528,148 Battery monitoring and deceleration dependent fuel-saving charging system
The present invention relates to a battery monitoring and charging system capable of determining when charging conditions are favorable, thereby adjusting the...
US-5,528,147 Apparatus for detecting gas discharge lamp faults
A capacitor (16) coupled in series with series coupled gas discharge lamps (11 and 12) will effectively block direct current from flowing through the capacitor...
US-5,528,146 Method and apparatus for detecting electron spin transitions in zero field
A method and apparatus for detecting spin transitions for a paramagnetic substance that are induced in the absence of a magnetic field. The method includes the...
US-5,528,145 High-speed magnetic resonance imaging method
A high-speed magnetic resonance spectroscopic imaging method for obtaining information relating to an object placed in a space by irradiating the object placed...
US-5,528,144 Interleaved slab inversion for enhanced throughput in fluid attenuated inversion recovery imaging
An examination region (34) is divided into a multiplicity of slices, e.g. slices 1-20. The slices are divided up into groups or slabs, e.g., slabs I-V. A series...
US-5,528,143 Loop oscillator NMR probe
A nuclear magnetic resonance probe is provided comprising a high frequency resonator (14, 16) having a resonant frequency, a first coaxial conductor (20)...
US-5,528,142 Resonant eddy analysis- a contactless, inductive method for deriving quantitative information about the...
A method for quantifying the permeability or conductivity of a conducting material, comprises the steps of providing a circuit including an inductor with a coil...
US-5,528,141 Eccentricity gauge for a conductor including two inductors having opposed fields
The invention relates to method and apparatus for measuring and displaying the eccentricity or off-set position with respect to coaxiality of a metallic...
US-5,528,140 Rotation angle sensor for internal combustion engine having rotatable detection means
A rotation angle sensor has a cylindrical rotating member attached to a cam shaft of an internal combustion engine for rotation therewith, and a pickup. The...
US-5,528,139 Magnetic position and speed sensor with hall probe in an air gap
This invention relates to a position sensor featuring a stator (1) defining an air gap inside of which a mobile magnet (3) integral with a coupling shaft (4)...
US-5,528,138 Resonant inductive debris detecting apparatus
A debris detecting apparatus is provided which collects debris from a fluid system in a screen member and measures the accumulation of debris by measuring the...
US-5,528,137 Network sensitive pulse generator
A network sensitive pulse generator circuit and a method of using the circuit to quickly detect faults in a net under test are described. The novel circuit...
US-5,528,136 VLSI component tester with average current measuring capability
Automatic test equipment including a circuit to measure average current consumed by a device under test. The circuit operates during the execution of a test...
US-5,528,135 Sheet ceramic package having electrically independent products units
A sheet ceramic package includes a plurality of product units, such as ceramic substrates and circuit substrates for semiconductor devices. The individual...
US-5,528,134 AC power analyzer
A harmonic analyzer using a short sampling window eliminates truncation artifacts in the sampling of an AC power waveform by equating the length of the sample...
US-5,528,133 Method and apparatus for determining the quality of a colloidal suspension
A method and apparatus for determining the quality of a colloidal suspension. According to the method of the present invention, an oscillating input electrical...
US-5,528,132 Method and apparatus for increasing switching regulator light load efficiency
A method and apparatus for increasing the light load efficiency of a DC-DC converter by reducing the quiescent power of the control section. In accordance with...
US-5,528,131 Controlled electric power switch and process for switching an electric power circuit
This invention relates to an electric switch intended to be placed in an electric power circuit, said switch being responsive to a control signal. The switch...
US-5,528,130 Intermediate potential generating circuit having output stabilizing circuit
The present invention is characterized in that if a potential at an output node is increased to a higher predetermined level than an output potential a MOS...
US-5,528,129 Semiconductor integrated circuit for generating constant internal voltage
A semiconductor integrated circuit has a function of providing an internal voltage having little dependency on a variation of external power supply voltage...
US-5,528,128 Reference voltage source for biassing a plurality of current source transistors with temperature-compensated...
A reference voltage source for driving a constant-current source. The reference voltage source comprises a first common terminal, a second common terminal, a...
US-5,528,127 Controlling power dissipation within a linear voltage regulator circuit
A method and apparatus for providing a regulated output voltage when supplied with an unregulated input voltage utilizes a detection circuit to selectively steer...
US-5,528,125 Buck-boost switch mode power supply with burst topology
A buck-boost switch mode regulated power supply using a burst circuit topology includes a detection circuit to sense overcurrent in the high side connected power...
US-5,528,124 Phase control circuit having a plurality of differential circuits
A phase control circuit for operating a phase shift in accordance with a control voltage comprises four differential circuits, two of which form a multiplier...
US-5,528,123 Power circuit
This invention measures the total line current in a power cord which is used to energize both a power factor corrected system and non-power factor corrected AC...
US-5,528,122 Battery voltage equalizer circuit
A battery equalizer for equalizing the voltage on series connected batteries synchronously switches the opposite ends of a tapped autotransformer in alternately...
US-5,528,121 Storage capacitor power supply
A storage capacitor power supply adapted to be used as a power source for an electric vehicle. The storage capacitor power supply is equipped with a charging...
US-5,528,120 Adjustable electronic potential relay
A starting circuit for a single-phase induction motor having a start capacitor, an auxiliary or start winding, and a run winding includes user adjustable pick-up...
US-5,528,119 Method and apparatus for phase compensation in a vehicle control system
The present invention relates to a method and a device for executing phase compensation in a control system of a motor-driven vehicle, in which the time...
US-5,528,118 Guideless stage with isolated reaction stage
A guideless stage for aligning a wafer in a microlithography system is disclosed, and a reaction frame is disclosed which isolates both external vibrations as...
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