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Patent # Description
US-6,104,209 Low skew differential receiver with disable feature
A differential clock receiver for a SynchLink-type Synchronous Dynamic Random Access Memory (SLDRAM) includes a differential amplifier with a novel method for...
US-6,104,208 Programmable logic device incorporating function blocks operable as wide-shallow RAM
An integrated circuit capable of efficiently storing data words of varying length is disclosed. The inventive integrated circuit can be a programmable logic...
US-6,104,207 Programmable logic device
An improved programmable logic device is disclosed. In one embodiment, the programmable logic device includes a plurality of I/O cells and a plurality of logic...
US-6,104,206 Product wafer junction leakage measurement using corona and a kelvin probe
Corona charge is applied to a semiconductor product wafer to reverse bias PN junctions. Measurements of voltage decay in the dark and in the light are made and...
US-6,104,205 Probe with tab retainer
An electrical contact test probe for use in providing electrical continuity between diagnostic equipment and a test point of an electrical circuit under test is...
US-6,104,204 Semiconductor device testing apparatus
An IC tester is provided which is capable of preventing the temperature of an IC heated to a predetermined temperature from falling during the test. A box-like...
US-6,104,203 Test apparatus for electronic components
A test apparatus (1) has a temperature controlled chuck (8) which provides good mechanical stability across a wide temperature range. This significantly reduces...
US-6,104,202 Interface apparatus for automatic test equipment
An interface between a test head portion of automatic test equipment and handling device such as a prober. The interface employs preloaded kinematic couplings...
US-6,104,201 Method and apparatus for passive characterization of semiconductor substrates subjected to high energy (MEV)...
Probe structures for testing electrical interconnections to integrated circuit devices and other electronic components; particularly to testing integrated...
US-6,104,200 Apparatus and methods for generating unambiguous large amplitude timing makers in time domain reflectometry...
Time Domain Reflectometry ("TDR") methods and apparatus for measuring propagation velocities of RF pulses to determine material liquid contents, moisture...
US-6,104,199 Magnetic-head short-circuit detector
A magnetic-head short-circuit detector for correctly detecting an electrical short-circuit between coil terminals of a magnetic head. Terminals H.sub.X and...
US-6,104,198 Testing the integrity of an electrical connection to a device using an onboard controllable signal source
An apparatus and method for testing the integrity of an electrical connection (222) to a device (205) using an onboard controllable signal source (300). The...
US-6,104,197 Apparatus for acquiring waveform data from a metallic transmission cable
An apparatus for acquiring waveform data from a metallic transmission cable under test includes a transmitter for generating interrogating pulses for examining a...
US-6,104,196 Cruise control tester
A tester is disclosed for any one of three different types of cruise control systems on a vehicle, each of which has a cruise engage signal conductor which is...
US-6,104,195 Apparatus for detecting a condition of burning in an internal combustion engine
An apparatus for detecting a condition of burning in an internal combustion engine includes a pair of opposed electrodes provided in a combustion chamber of the...
US-6,104,194 Method of detecting secondary electron charge in a cathode ray tube
In a method for determining whether electronic charge has been accumulated on the inner surface of a cathode ray tube (10), at least one electron beam is...
US-6,104,193 System and method for detecting low metal content buried mines
A method and apparatus for detecting mostly-plastic mines having steel firing pins and copper igniter cups. A frequency spectrum is transmitted, and response...
US-6,104,192 Magnetic resonance imaging system with floating pole pieces
A magnetic resonance imaging suite is sheathed with plates (32, 34, 36) of iron or other ferrous material. The plates define projections (42, 44, 54, 54', 68) in...
US-6,104,191 Quantitative in vivo spectroscopy using oversampling, waterline referencing, and prior knowledge fitting
Disclosed is improved quantitative in vivo spectroscopy by means of F1-oversampled J-Resolved 2D spectroscopy. Reconstruction makes full use of internal signals...
US-6,104,190 Nuclear quadrupole resonance (NQR) method and apparatus for detecting a nitramine explosive
A Nuclear Quadrupole Resonance (NQR) method and apparatus for detecting the presence of a nitramine explosive, with a reduced probability of spurious ...
US-6,104,189 Magnetoresistive sensor having at least one layer with a pinned magnetization direction
A magnetoresistive spin valve sensor is described. Such a sensor is also known as a GMR sensor or giant magnetoresistive sensor. The layers (24, 26, 28) of the...
US-6,104,188 Surface analysis test defect detector for direct access storage device
A method and apparatus are provided for detecting surface defects in a direct access storage device. Disk data readback sample values are converted to gain error...
US-6,104,187 Magneto-resistive angle sensing device with a temperature-stable zero point
The contactless magneto-resistive angle sensing device (1) includes two sensor components (10,11) oriented at a fixed angle relative to each other, a...
US-6,104,186 Rotation detector using magnetoresistance element positioned in vicinity of outer peripheral edge of toothed gear
A magnetoresistance element detects an angular position of a toothed gear rotated by an engine. The element (first element) is positioned at a vicinity of the...
US-6,104,185 Method and device for operating a position sensor
A method and a device for operating a position sensor made of at least two parts that move in relation to one another. The first part of the position sensor has...
US-6,104,184 Method and apparatus for loading a wafer into a test machine
The present invention discloses a removable wafer mounting tray for positioning a wafer in a microscope by utilizing a tray body that is generally constructed in...
US-6,104,183 Semiconductor device testing apparatus
A semiconductor device testing apparatus having a reduced transverse width and compact in size is provided. Adjacent to a constant temperature chamber 101...
US-6,104,182 Method of deriving a signal indicating an oscillation in an electric power supply system
Current and voltage space vectors of the positive sequence system are formed from phase current and phase voltage sampling values of an electric power supply...
US-6,104,181 Voltmeter suitable for medium/high-voltage installations, with a surface wave device
Voltmeter for medium/high-voltage devices, which has a surface-wave device (21) as the voltmeter element proper. This surface-wave device is incorporated into an...
US-6,104,180 Transformers of voltage meters based on mechanical waves
Transformers of electric voltage meters based on mechanical waves. The invention is based on the generation of elastic waves in transformers which are composed...
US-6,104,179 Low-power consumption noise-free voltage regulator
A voltage regulator has a phase inverter and a phase compensating condenser between an input differential amplification stage and an output voltage regulating...
US-6,104,178 Drive circuit for driving an ink jet head
In the drive circuit for driving the ink jet head, the first current mirror circuit (constructed from the transistors Q3, Q6, Q9) and the first regulation...
US-6,104,177 Three-phase power controller with interrupt-controlled phase-gating control
The three-phase power controller is provided which has interrupt-controlled phase-gating control with a simple, cost-effective design. The power controller uses...
US-6,104,176 Voltage regulator and method of voltage regulation
The voltage regulator includes a regulator circuit, connected between a high potential and a low potential, regulating an output voltage based on an input...
US-6,104,174 High voltage power supply circuit
A speed-up circuit 10 is connected to a detection line 6 for feeding back the high voltage detection value of a high voltage detection circuit 5 to a high...
US-6,104,173 DC-DC converter and power-supply switching circuit
A power-supply switching portion compares an input voltage and an output voltage, after a boost converter circuit is started. Before a step-up operation is...
US-6,104,172 Power factor corrector
A power factor corrector includes a power stage that is electrically coupled to a controller. The controller is configured to receive a rectified AC voltage...
US-6,104,171 Generator set with redundant bus sensing and automatic generator on-line control
A generator set controller includes a dead bus sensor producing a dead bus signal indicative of a power failure on a power bus that is an input to the controller...
US-6,104,170 Method and circuit for preventing oscillations in a battery charger
Method and circuitry for clamping outputs of inactive error amplifiers in battery chargers eliminate delays and prevent oscillatory tendencies. By clamping the...
US-6,104,169 Battery charging system that controls charging power using fourth element capacitors
A battery charging system for charging a battery of an electric vehicle that is coupled to a charge probe by way of a diode bridge and a fourth element...
US-6,104,168 Low leakage low dropout transistor charging circuit
A charging circuit for charging a battery is disclosed. The charging circuit includes a power transistor having a charging terminal for connection to a charger,...
US-6,104,167 Method and apparatus for charging a battery
An apparatus for charging a battery includes a first electrical connection adapted to connect to a positive terminal of the battery and a second electrical...
US-6,104,166 Method and device for detecting a state of charge of a battery assembly, and battery assembly charge and...
Variation of the charged amount among battery blocks composing a battery assembly is detected. By subtracting the detected value of the variation from the width...
US-6,104,165 Multi-stage battery charging system
In a secondary battery charging system and charging apparatus, when using either a step-down method or a constant-current/constant-voltage method of charging a...
US-6,104,164 Cell voltage detecting device for combination battery
A device for detecting a voltage of an individual unit cell included in a combination battery consisting of a number of unit cells connected in series. The unit...
US-6,104,163 Battery charging system and information processing apparatus with reduced power consumption at charges
The battery charging system allows a power consumption of an information processing apparatus to be maximally reduced when the system is off. When a charge...
US-6,104,162 Method and apparatus for multi-power source for power tools
Method and apparatus for providing multi-power source for power tools. The apparatus includes (a) a multi-functional power block capable of being powered from...
US-6,104,161 Capacitive AC isolation apparatus for electric vehicle battery charging systems
AC isolation apparatus, such as is provided by an AC isolation capacitor disposed between unexposed and exposed portions of the chassis of a charging system or...
US-6,104,160 Household power supply system using electric vehicle
A household power supply system using an electric vehicle, comprises an external power system, a house with an indoor power line, an electric vehicle having a...
US-6,104,159 Field weakening control method in induction motor
A field weakening control method in an induction motor, wherein a voltage limit is set up in an oval while a current limit is established in a circle on a...
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