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| Patent # | Description |
|---|---|
| US-6,900,650 |
System and method for controlling temperature during burn-in Systems and methods for reducing temperature dissipation during burn-in testing are described. Devices under test are each subject to a body bias voltage. The... |
| US-6,900,649 |
High frequency RF interconnect for semiconductor automatic test equipment A RF test interconnection system for connecting a measurement device to a device under test includes, a probe card having a probe extending from a first side of... |
| US-6,900,648 |
Tester for printed circuit boards A tester includes a base (10) including a top wall (12) and a control panel (18), a cover (30) pivotably attached to the base, a pair of master cylinders (40)... |
| US-6,900,647 |
Contact probe and probe device A probe device having a contact probe including a film, a plurality of wiring patterns formed on the film with each wiring pattern having a front end portion... |
| US-6,900,646 |
Probing device and manufacturing method thereof, as well as testing
apparatus and manufacturing method of... A probing device for electrically contacting with a plurality of electrodes 3, 6 aligned on an object 1 to be tested so as to transfer electrical signal... |
| US-6,900,645 |
Semiconductor device test method and semiconductor device tester A defective position of a sample to be tested is detected by irradiating the test sample and another test sample with electron beam while scanning the test... |
| US-6,900,644 |
Capacitive fingerprint sensor against ESD damage and contamination
interference A capacitive fingerprint sensor against ESD damage and contamination interference includes a substrate, a plurality of plate electrodes, a metal mesh, a... |
| US-6,900,643 |
Ride through in electronic power converters A system including a current sensor to sense a current provided by an electronic power converter, the current sensor includes an output; an overcurrent detection... |
| US-6,900,642 |
Aircraft electrostatic discharge test system A low cost diagnostic system for testing the airborne static discharge systems and the grounding systems for aircraft. The present invention is a passive... |
| US-6,900,641 |
Switch testing apparatus An apparatus for testing a switch is provided that permits the performance of a switch to be reliably tested and to precisely determine a host of parameters that... |
| US-6,900,640 |
Method and apparatus for a multi-component induction instrument measuring
system for geosteering and formation... An improved induction tool for formation resistivity evaluations. The tool provides electromagnetic transmitters and sensors suitable for transmitting and... |
| US-6,900,639 |
Electromagnetic method and apparatus for determining the nature of
subterranean reservoirs using refracted... A system for investigating subterranean strata. An electromagnetic field is applied using a dipole antenna transmitter and this is detected using a dipole... |
| US-6,900,638 |
Switching device to linearly conduct a current between a gradient amplifier
and a gradient coil assembly of an... A switching circuit configured to substantially linearly conduct current between a source and a load includes a switching device and a steering circuit. The... |
| US-6,900,637 |
Phased array coil with center shifted sensitivity A phase array coil uses asymmetric loops and selective overlapping to provide a more uniform field sensitivity to magnetic flux passing through the surface... |
| US-6,900,636 |
Transmission and receiving coil for MR apparatus The invention relates to an arrangement for generating RF fields in the examination volume (100) of an MR apparatus. A plurality of resonator segments are... |
| US-6,900,635 |
Head RF quadrature coil array for parallel imaging A partially parallel acquisition RF coil array for imaging a human head having a summit and a lower portion includes at least a first, a second and a third... |
| US-6,900,634 |
Magnetic resonance spectroscopy method In a magnetic resonance spectroscopy method, an excitation RF pulse is emitted with simultaneous emission of a first gradient during an excitation segment having... |
| US-6,900,633 |
Substance detection by nuclear quardrupole resonance using at least two
different excitation frequencies This invention involves an apparatus to measure the nuclear quadrupole (NQR) response of a specimen using three frequencies. Three-frequency NQR involves... |
| US-6,900,632 |
Spin exciting method and magnetic resonance imaging system An object of the present invention is to perform multiple slice imaging accompanied by saturation irrespective of the inhomogeneity of static magnetic field... |
| US-6,900,631 |
Synthesized averaging using SMASH In apparatus for magnetic resonance imaging equipped for parallel imaging, in the sense that an array of receive coils can be used to regenerate data at... |
| US-6,900,630 |
Azimuthal NMR imaging of formation properties from a wellbore A method and apparatus for performing NMR measurements suppressing contribution to NMR signals from within the borehole. Within the region of examination, the RF... |
| US-6,900,629 |
Group wiring device for facilitating wire pair identification A group wiring device which has built-in light emitting means and switch mechanism coupled with wire pair receptacle thereof. The switch mechanism is normally on... |
| US-6,900,628 |
Semiconductor integrated circuit allowing proper detection of pin contact
failure In a pin contact test, a voltage across an external pin is measured by setting a voltage to be supplied to the power supply nodes in input protection circuits in... |
| US-6,900,627 |
Apparatus and method for testing semiconductor integrated circuit A test ancillary device with data memory and an analysis section is disposed in the vicinity of a test circuit board. The data memory is divided into two memory... |
| US-6,900,626 |
Voltage generator arrangement A voltage generator arrangement supplies a largely constant output voltage with a high current driver capability. A bandgap reference circuit is downstream from... |
| US-6,900,625 |
Voltage converter system and method having a stable output voltage An apparatus and method for compensating for a decreasing internal voltage that is generated from a higher external voltage. In response to the internal voltage... |
| US-6,900,624 |
DC-DC converter with feed-forward and feedback control The voltage of 36-V battery (10) is dropped by the DC--DC converter (12) to charge the 12-V battery (14). The switching ON/OFF of the DC--DC converter (12) is... |
| US-6,900,623 |
Power supply having multi-vector error amplifier for power factor
correction A regulated power supply having power factor correction control includes a multi-vector error amplifier. The multi-vector error amplifier provides an error... |
| US-6,900,622 |
Method and apparatus for reducing audio noise in a switching regulator A switching regulator utilizing on/off control that reduces audio noise at light loads by adjusting the current limit of the switching regulator. In one... |
| US-6,900,621 |
Digitally controlled modular power supply for automated test equipment A digitally controlled hybrid power module is controlled by a programmable controller. The hybrid power module includes a digitally controlled switching supply... |
| US-6,900,620 |
Switching regulator having two or more outputs A switching regulator circuit includes an inductor, a first condenser which provides a potential stored therein as a first output of the switching regulator... |
| US-6,900,619 |
Reactive power compensation to minimize step voltage changes and transients The invention features a system and approach for minimizing the step voltage change as seen by the utility customer as well minimizing transients imposed on the... |
| US-6,900,618 |
Power generation control apparatus for vehicle A vehicle power generation control apparatus that has a power supply circuit, a rotation detecting circuit, an exciting current detecting circuit, an exciting... |
| US-6,900,617 |
Method and circuit for using polarized device in AC applications Polarized electric charge storage devices economically provide high available capacitance. The present invention directly employs polarized electrical charge... |
| US-6,900,616 |
Current interrupt device for rechargeable cells A current interrupt device for rechargeable, electrochemical cells having a safety valve, insulating spacer and a thin metal plate for coupling to an electrode... |
| US-6,900,615 |
Battery discharge apparatus with light activated battery discharge circuit An apparatus and method for discharging a battery includes a battery discharge circuit contained within the battery that, when actuated, discharges the battery.... |
| US-6,900,614 |
Rotation speed search apparatus for increasing an output voltage of an
inverter and method thereof A rotation speed search apparatus for an induction motor includes: a voltage control unit for comparing a rated current of a motor and a current detected from... |
| US-6,900,613 |
Motor control apparatus A motor control apparatus includes a phase current detecting section for detecting phase currents to a motor, a current phase/current peak value calculating... |
| US-6,900,612 |
Stepping motor, stepping motor device and driving method thereof A stepping motor comprises a permanent magnet type rotor with a plurality of poles secured to a rotating shaft and a stator having stator magnetic poles with... |
| US-6,900,611 |
Recording apparatus A recording apparatus includes a feed roller which feeds a paper sheet, a feed motor which drives the feed roller, and a loss-of-synchronism detecting unit which... |
| US-6,900,610 |
Apparatus, methods, and articles of manufacture for a terminator
positioning system The invention is a system for controlling the position of a movable member moved by a prime mover by monitoring the position of the movable member; generating... |
| US-6,900,609 |
Method and control structure for damping low-frequency load oscillations in
drives with a motor and load According to the invention, the controller cascades are suitably divided up and the oscillation damped only in the load rotational-speed controller. Here, a... |
| US-6,900,608 |
Apparatus for controlling a motor An apparatus optimizes arm velocity when the arm is carrying a given payload. More specifically, the apparatus controls the performance of a motor so that the... |
| US-6,900,607 |
Combined feedforward and feedback parameter estimation for electric
machines A method and system for estimating a parameter of an electric machine, including a controller and a switching device, the controller responsive to at least one... |
| US-6,900,606 |
Device for inrush current prevention and dynamic braking in a motor A device for inrush current prevention and dynamic braking in a motor having a plurality of power inputting terminals, comprises a diode rectifying unit... |
| US-6,900,605 |
Motor control circuit for mirror device The present invention provides a mirror device motor control circuit that can reliably stop a mirror at predetermined positions with a simple configuration. In... |
| US-6,900,604 |
Drive control system for sensor-less motor A drive control system, with PLL control, drives a rotatable multi-phase sensor-less motor by switching a current of a field coil of each phase depending on the... |
| US-6,900,603 |
Motor control for slide-out room in mobile living quarters A wireless DC control device including a radio frequency transmitter, receiver, and switching circuit controls the current and polarity of the current that is... |
| US-6,900,602 |
Door opener error-start prevention device A door opener error-start prevention device, comprising.quadrature.a door opener machine, an output shaft of which forms a pair of axial sliding slots by means... |
| US-6,900,601 |
Control circuit of two current unidirectional switches A circuit for controlling two switches assembled in anti-parallel, comprising in series between two terminals of the anti-parallel assembly, two identical... |
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