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"What, sir, would you make a ship sail against the wind and currents by lighting a bonfire under her deck? I pray you, excuse me, I have not the time to listen to such nonsense."
Napoleon Bonaparte ; When told of the Robert Fulton steamboat
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| Number | Title | Issue Date |
| 7427905 | Temperature controlled MEMS resonator and method for controlling resonator frequency There are many inventions described and illustrated herein. In one aspect, the present invention is directed to a temperature compensated microelectromechanical resonator as well as fabricating, manufacturing, providing and/or controlling microelectromechanical reso... | 09/23/2008 |
| 7360392 | Fluid sensor including an error detection device A fluid sensor may be used for detecting fluid media, in particular hydrogen. The fluid sensor includes a sensor chip having a chip surface, which has a measuring surface and a body surface. Printed conductors of a central sensor circuit having at least one heating ... | 04/22/2008 |
| 7221241 | Method for adjusting the frequency of a MEMS resonator There are many inventions described and illustrated herein. These inventions are directed to a method of fabricating a microelectromechanical resonator having an output frequency that may be adjusted, tuned, set, defined and/or selected whether before and/or after f... | 05/22/2007 |
| 7135877 | Temperature and condensation control system for functional tester An innovative chip testing system and method includes controlling temperature and condensation during testing. Coarse temperature is controlled by providing a desired fluid flow rate and fluid temperature to a cold plate. Fine temperature control is provided by a fe... | 11/14/2006 |
| 7102467 | Method for adjusting the frequency of a MEMS resonator There are many inventions described and illustrated herein. These inventions are directed to a method of fabricating a microelectromechanical resonator having an output frequency that may be adjusted, tuned, set, defined and/or selected whether before and/or after f... | 09/05/2006 |
| 7098798 | Process device with loop override A process device for use in a process control system includes output circuitry configured to couple to a process control loop. The output circuitry controls electrical current through the loop. Loop override circuitry is configured to override operation of the outpu... | 08/29/2006 |
| 7068125 | Temperature controlled MEMS resonator and method for controlling resonator frequency There are many inventions described and illustrated herein. In one aspect, the present invention is directed to a temperature compensated microelectromechanical resonator as well as fabricating, manufacturing, providing and/or controlling microelectromechanical reso... | 06/27/2006 |
| 7062968 | Temperature control apparatus for humidity sensor A temperature control apparatus for a humidity sensor is provided for preventing impurities from sticking on a sensor element, while protecting the sensor element from cracking due to the humidity sensor heated by a heater in the presence of condensation, to maintai... | 06/20/2006 |
| 7018800 | Process device with quiescent current diagnostics A process device for use on an industrial process control system includes a quiescent current sensor configured to sense quiescent current draw of the process device. Diagnostic circuitry determines a diagnostic condition of the process device as a function of the s... | 03/28/2006 |
| 6959585 | Skids, modules, and modular system for monitoring hydrogen-cooled generators A modular system for monitoring a hydrogen-cooled generator includes a skid having a platform and an upwardly extending support. The support is attachable to a hydrogen gas purity monitoring module, a generator overheat monitoring module, a hydrogen gas dryer module... | 11/01/2005 |
| 6945106 | Mass flowmeter A mass flowmeter of the thermal type, having a planar, thin substrate with a sensing surface that can be brought into direct or indirect contact with a flowing fluid during a measurement, wherein electrically controllable heating elements and temperature sensor elem... | 09/20/2005 |
| 6940285 | Method and apparatus for testing a micro electromechanical device A system and method for testing performance characteristics of a MEMs device includes an activation driver configured to receive and drive a waveform to an activation side of the micro electromechanical device and configured to provide readback of an activation volt... | 09/06/2005 |
| 6828807 | Biological cell test method and apparatus A biological cell test method and apparatus employs a conventional perforated cell carrier which has a plurality of holes. Each hole has two metal electrodes. A cell is disposed in the hole to contact the two electrodes. The electrodes are connected to electric curr... | 12/07/2004 |
| 6777961 | Thermopile infrared sensor and method for inspecting the same A sensor has a series circuit, which includes first and second end terminals, a set of thermocouples electrically connected in series between the first end terminal and the second end terminal, and electrical inspection terminals, which extend from corresponding int... | 08/17/2004 |
| 6770847 | Method and system for Joule heating characterization According to one exemplary embodiment, a method for establishing a relationship between Joule heating in a conductor and a current density in the conductor is implemented by performing wafer level measurements. According to this exemplary embodiment, wafer level mea... | 08/03/2004 |
| 6728653 | Method for testing multi-chip packages A specialized computer program is utilized to operate apparatus for testing internal components of an integrated circuit package. A Peltier-junction module is controlled so as to ramp-up and ramp-down the temperature of an integrated circuit package while reading ou... | 04/27/2004 |
| 6598182 | Electromigration and extrusion monitor and control system A system for stressing and monitoring an electrical device, such that the imposed stress conditions may be terminated at electronic speeds, thereby preventing destruction of the device under test. The system includes stress channels each paired with a con... | 07/22/2003 |
| 6456095 | Generator interior cooling gas monitor and monitor system A generator interior cooling gas monitor includes a cooling gas introduction pipe for introducing a cooling gas into the interior of a generator, a mass spectrograph connected to the cooling gas introduction pipe for separating the substances in the cooli... | 09/24/2002 |
| 6411104 | Apparatus and method for detecting electromagnetic wave source, and method for analyzing the same There are provided electromagnetic wave source detecting apparatus and method as well as electromagnetic wave source analyzing system and method which can detect and analyze a source of (electromagnetic disturbing wave) representing a main factor in gener... | 06/25/2002 |
| 6140825 | Method and apparatus for evaluating quality of resistance welds A method for evaluating quality of a resistance weld is provided, in which a nugget generation state during a welding process is evaluated by observable numerical values based on physical phenomena, and which can afford a wide application range in welding... | 10/31/2000 |
| 6051980 | Pulse width modulation simulator for testing insulating materials A test instrument for testing magnet wire which is provided which tests, collects and permits analyzing the effect of temperature, frequency, voltage and rise time associated with magnet wire use, and more particularly, the effects of those variables on t... | 04/18/2000 |
| 6028435 | Semiconductor device evaluation system using optical fiber In a system for evaluating a semiconductor device, a laser beam generating unit generates a laser beam, and an optical fiber receives the laser beam to heat an area of the semiconductor device. A current deviation detector or a voltage deviation detector ... | 02/22/2000 |
| 5834943 | Apparatus and method for sensing failed temperature responsive sensors A microprocessor control (10, 24) has one or more temperature responsive thermistor sensors (20, 26, 28) used to provide temperature inputs to control operation of a temperature control system. The microprocessor control subjects the thermistor sensors to... | 11/10/1998 |
| 5793025 | High-frequency detecting elements and high-frequency heater using the same A high-frequency detecting element that can detect a temperature increase in an instant due to high-frequency wave absorption using semiconducting ceramic with positive resistance-temperature characteristics. The ceramic is composed mainly of barium titan... | 08/11/1998 |
| 5760595 | High temperature electromigration stress test system, test socket, and use thereof A test socket is provided as part of a high temperature electromigration test system to allow the prediction of median time to failure to temperatures in excess of 450° C. of VSLI interconnects.... | 06/02/1998 |
| 5698987 | Method of driving heating element to match its resistance, thermal printer, and resistance measuring device A standard resistor having a known resistance value is connected to one transistor in a drive IC. The drive IC has a plurality of transistors each controlling the on/off of a heating element. The saturation voltage of each transistor is generally the same... | 12/16/1997 |
| 5608333 | Method of driving heating element to match its resistance, thermal printer, and resistance measuring device A standard resistor having a known resistance value is connected to one transistor in a drive IC. The drive IC has a plurality of transistors each controlling on/off switching of a heating element. The saturation voltage of each transistor is generally th... | 03/04/1997 |
| 5537049 | Temperature compensating circuit A thermistor network for a low temperature component of a temperature compensating circuit includes a series resistor-capacitor combination in parallel with a thermistor and a capacitor. The presence of the capacitor in series with the resistor permits DC... | 07/16/1996 |
| 5384542 | Device for estimating, at high temperature, the electromagnetic properties of a material Device for estimating, at high temperature, the electromagnetic properties of a material, including: an oven (1, 19, 20); a waveguide (3) disposed at least in part in said oven, a housing for a specimen piece of uniform thickness made of said material, this sp... | 01/24/1995 |
| 5291142 | Method and apparatus for measuring the resistance of conductive materials due to electromigration A testing method and apparatus for conductive materials using electric current which makes it possible to rapidly evaluate the electromigration resistance of conductive materials. The apparatus includes a substrate support for supporting a substrate on wh... | 03/01/1994 |
| 5260668 | Semiconductor surface resistivity probe with semiconductor temperature control The resistivity of the surface of a semiconductor wafer is measured at different temperatures to determine the resistivity as a function of temperature. The temperature of the semiconductor wafer is varied by a heater in thermal contact with the semicondu... | 11/09/1993 |
| 5119034 | Method of measuring dielectric material constants and measuring device employed therefor A method of measuring dielectric material constants, which includes steps of forming a dielectric resonator by providing a plurality of coupling terminals for input and output of signals, on a shield case, with a dielectric sample being disposed within th... | 06/02/1992 |
| 5110216 | Fiberoptic techniques for measuring the magnitude of local microwave fields and power Fiberoptic sensors of various configurations are provided for measuring the magnitude of the electric or magnetic fields, and thereby the power, at local points within a relatively high-power electromagnetic heating environment such as occurs, for example... | 05/05/1992 |
| 5097212 | Cell for measuring electrical conductivity and ion content of vapor A vapor electrical conductivity cell with sensing plates mounted on insulrs exposed to the vapor. Vapor condensation on those insulators cause errors in the conductivity measurements. The improvement of the invention keeps the insulators at a temperature... | 03/17/1992 |
| 5017875 | Disposable sensor Two lead wires for each, connected to opposite ends of a heat generating element are secured to a holder. These lead wires form four-point-terminals at their other ends and thereby a disposable sensor is provided. A current source and a voltmeter are conn... | 05/21/1991 |
| 4818977 | Combustible gas detector having temperature stabilization capability A catalytic gas detector circuit in which the temperature of a resistance gas sensing element, contained in a bridge circuit, is reduced and therefore stabilized by energizing a transistor to draw off current from the sensing element when the sensing elem... | 04/04/1989 |
| 4797614 | Apparatus and method for measuring conductance including a temperature controlled resonant tank circuit with shielding A meter for sheet conductance measurements does not touch the conductive surface of a sample. A probe having a resonant tank coil is positioned against a parallel supporting surface of the sample, which may be flat or curved and of unrestricted area. An o... | 01/10/1989 |
| 4788490 | Method of measuring resistance of a control servovalve A method for measuring resistance of an electromagnetic servovalve associated with a brake torque limiting control system. The servovalve is controlled by two parallel connected controllers, one a current driver controller and the other a voltage driver c... | 11/29/1988 |
| 4775838 | Sensor with periodic heating A gas sensor includes a pair of lead strips, a sensing element preferably comprised of a metal oxide semiconductor, such as SnO2, and extending between the pair of lead strips in the form of a bridge, a heater driver for supplying a heating cur... | 10/04/1988 |
| 4751455 | Low frequency noise measurement system using sliding pole for fast settling Apparatus and method for performing low-frequency noise measurements on active devices such as operational amplifiers, instrumentation amplifiers and the like. A device under test is settled thermally in a short, controlled interval. The device under test... | 06/14/1988 |
