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| Number | Title | Issue Date |
| 6279374 | Compensating method and compensating apparatus for positioner A compensating method for a positioner is provided, which makes it possible to avoid any temperature-compensating circuit and any linearity-compensating circuit for a position sensor, and reduce the production cost. The position sensor, which detects the ... | 08/28/2001 |
| 6279375 | Method of setting switching points for a sensor output signal The sensor configuration has a sensor and a calibration circuit, which self-calibrates the system by setting its switching points. The calibration circuit is located in the output circuit of the sensor. The method utilizes the calibration circuit to set a... | 08/28/2001 |
| 6279376 | Gas sensor for vehicle engine having a double-pipe cover A gas sensor has a housing, a gas sensing element held by the housing and having a gas contact portion and an element cover for covering the gas contact portion. The element cover has a double pipe structure formed by layering an outer pipe and an inner p... | 08/28/2001 |
| 6279377 | Method and apparatus for monitoring oxygen concentration Apparatus for measuring concentration of oxygen includes a plurality of status displays, identifying concentration status relative to a plurality of thresholds, an alarm for immediate and prominent identification of status relative to a threshold of parti... | 08/28/2001 |
| 6279378 | Ultrasonic gas analyzer and method to analyze trace gases An ultrasonic gas analyzer includes an acoustic cavity through which an air sample is drawn by a low speed air pump or other mechanism. The cavity has a pair of ultrasonic wave transmitters/receivers on opposite sides of the acoustic cavity. An electronic... | 08/28/2001 |
| 6279379 | Apparatus and methods for performing acoustical measurements Apparatus (15, 30) and methods for performing acoustical measurements are provided having some and preferably all of the following features: (A) the system (15, 30) is operated under near-field conditions; (B) the piezoelement (40) or piezoelements (40, 4... | 08/28/2001 |
| 6279380 | Noncombustive method of determining the calorific value of fuel gas Noncombustive method of measuring the calorific value of fuel gas, wherein a) the speed of sound in the gas is determined under first and under second reference conditions and one of the parameters dielectric constant, speed of sound under third reference cond... | 08/28/2001 |
| 6279381 | Vibration pickup with pressure sheath A vibration transducer has a pressure sleeve fastenable directly or indirectly on a structural component part causing vibrations, a sensor element which is held at the pressure sleeve on a radial outer side with an axial pretensioning, a plurality of cont... | 08/28/2001 |
| 6279383 | Method and apparatus for detecting leakage A method of, and apparatus for, determining leakage in a valve or the like which is not dependent on bulk modulus of the fluid is described. The test apparatus includes a pressure transducer which measures the change in pressure along a length of pipe (XY... | 08/28/2001 |
| 6279384 | Method for treating a product and a leak-detection device A method for detecting a leak in a resilient, semi-hard and hard package includes a test gas supplied to the package to subject the contents of the package to a first pressure. The package is then maintained for a predetermined time in a chamber having a ... | 08/28/2001 |
| 6279385 | Determination of isothermal secant and tangent bulk modules A method to measure both the isothermal secant and tangent bulk modules and the density of functional fluids. The instrumentation and methodology described in this invention use much smaller volumes of fluids which permits the measurement of these critica... | 08/28/2001 |
| 6279386 | Meter for measuring the volume of a flowing fluid A meter for measuring the volume of a flowing fluid includes a viscosensitive unit through which the fluid flows under laminar flow conditions, a first fluidic oscillator in series with the viscosensitive unit, and a second fluidic oscillator shunting at ... | 08/28/2001 |
| 6279387 | Moisture meter, electronic weighing machine for moisture meter, filter for moisture meter, and moisture adsorption unit for moisture meter An electronic weighing machine for a moisture meter not only measures the amount of moisture in the test sample, but also measures the mass of the test sample itself. In addition, the present invention is related to a heat drying type moisture meter, a fi... | 08/28/2001 |
| 6279388 | Apparatus for calibrating hardness tester, method for calibrating the same and apparatus for evaluating dynamic characteristic of specimen A method for calibrating an apparatus for calibrating a hardness tester, the method comprising the steps of: setting a plurality of calibration points between a rated force point at which a rated force of a force measuring member is applied and a zero poi... | 08/28/2001 |
| 6279389 | AFM with referenced or differential height measurement Thermal drift and acoustic vibrations in the AFM are reduced using a probe-based detection device that references the topography measurement of the AFM to the sample surface in the proximity of the measurement probe. A differential measurement is made bet... | 08/28/2001 |
| 6279390 | Thermostat malfunction detecting system for engine cooling system Malfunction of an engine coolant thermostat is detected from the engine side coolant temperature by the subsequent behavior of the coolant temperature. When an open-malfunction occurs, the coolant temperature becomes considerably different from that norma... | 08/28/2001 |
| 6279391 | Electrical engine firing pulse converter Systems are provided which retard rotation of a driveline at times associated with an engine firing pulse from an engine driving the driveline to reduce torque peaks. In one system, a control monitors rotation of a drive shaft, to provide an indication of... | 08/28/2001 |
| 6279392 | Method and system for distributed well monitoring A distributed pressure monitoring system is disclosed for monitoring formation pressure along substantial lengths of a casing in a borehole. The monitoring system has a communications line connected to surface facilities on one end which leads down the ca... | 08/28/2001 |
| 6279393 | System for isotropically measuring fluid movement in three-dimensions A system for measuring wind direction and velocity utilizing a sphere which is capable of making differential orthogonal pressure measurements, using pressure sensors located inside the sphere along apertures forming orthogonal axes of the sphere. The pre... | 08/28/2001 |
| 6279394 | Mass air flow meter A mass flow sensor for measuring flow of a medium comprises a body, a membrane fixed on the body, a pair of thin film heating elements arranged on the membrane, and a sensing element arranged on the membrane adjacent the pair of heating elements and conne... | 08/28/2001 |
| 6279395 | Annual shear element with radial preload A sensor including a center post extending along the sensing axis of the sensor, a piezoelectric sensing element concentrically engaging the center post, and a preload element preloading the piezoelectric element radially outward to the axis. The center p... | 08/28/2001 |
| 6279396 | Ultrasonic-wave distance measuring method and apparatus of separate transmission and reception type reflection system An ultrasonic-wave distance measuring apparatus of the separate transmission and reception type reflection system capable of making the measurable distance longer and improving the precision of the measuring, wherein a distance measurement calculation con... | 08/28/2001 |
| 6279397 | Method and apparatus for focusing propagating wave paths of a phased array in spherically-bounded materials The present invention relates to a method and apparatus for focusing ultrasonic waves that are propagated from a phased array toward a spherically-bounded object so that they arrive at a pre-selected focal point at the same time and in phase and thereby s... | 08/28/2001 |
| 6279398 | Method for realizing transmit focusing by synthesizing pulse patterned plane waves having same imaging point A method for realizing a transmit focusing in an ultrasonic imaging system is provided, which is a method for realizing a transmit focusing with respect to all imaging points by synthesizing pulse patterned plane waves having the same imaging point using ... | 08/28/2001 |
| 6279399 | Multi-dimensional transducer array apparatus An ultrasound imaging device comprising a set of bins, wherein each bin includes a set of transducer elements. Additionally, a set of mode switches or multiplexers are associated with the set of bins, wherein the set of mode switches or multiplexers confi... | 08/28/2001 |
| 6279400 | Apparatus and method for measuring and selectively adjusting a clearance A technique for measuring and selectively adjusting a clearance between a stationary object and desirably a rotating object includes a non-contact, sensing system having a sensor attachable to the stationary object, a mask having a predetermined sized vie... | 08/28/2001 |
| 6279401 | Differential pressure transmitter A pressure transmitter apparatus having a unitary body portion, separate diaphragms and flange elements and disposed within the body, a first and second normally vertical pressure passage. The first and second pressure passageways communicate respectively... | 08/28/2001 |
| 6279402 | Device for measuring pressure in a chamber A device for measuring pressure at several locations in a processing chamber under dynamic conditions, i.e. when gas is flowing into and/or out of the chamber. A substrate has a plurality of pressure sensors electrically coupled to a measurement instrumen... | 08/28/2001 |
| 6279403 | Differential pressure triggering device The differential pressure triggering device has a housing having first and second adjacent inner chambers with respective pressure inlets. A pressure differential responsive diaphragm extends between the inner chambers. An iron disc is positioned inside t... | 08/28/2001 |
| 6279404 | Device and method for measuring deformation of a mechanical test specimen A device for measuring the deformation of a mechanical test specimen, and including a pressing member (3) for stressing a substantially flat specimen (16) in controlled manner by means of a punch (25); a Michelson interferometer having an optical branch (... | 08/28/2001 |
| 6279405 | Apparatus and method for a pressure monitoring device A differential pressure monitoring device utilizing two crystalline frequency sensors exposed to different pressures for generating two signals which are combined by a frequency mixer. Two offset based frequency crystal sensors are each exposed to differe... | 08/28/2001 |
| 6279406 | Passive solid-state magnetic field sensors and applications therefor Passive solid-state magnetic sensors are based on the combination of magnetorestrictive materials and piezoelectric materials. Sensors have applications in rotor speed detection, magnetic field detection, read heads, and MRAM, for example.... | 08/28/2001 |
| 6279407 | Linkage with capacitive force sensor assembly A combined mechanical linkage and force-measuring assembly includes a central capacitive force sensor, in which force applied to the sensor causes the flexing of a diaphragm toward and away from a substrate, and a change in the capacitance between two con... | 08/28/2001 |
| 6279408 | Sample bag A sample bag for collecting a mixture of gasses for analysis is made of a modified polymer consisting essentially of tetrafluoroethylene (TFE) and at most about 2.0 percent perfluoropropylvinylether (PPVE).... | 08/28/2001 |
| 6279409 | Wiper bearing A wiper bearing has a bearing shell and a shaft, which is received by the bearing shell and is connected at one point to a drive mechanism and has a receptacle for wiper arm. The bearing shell concentrically grips a region of the shaft and forms a first a... | 08/28/2001 |
| 6279410 | Torque variator device consisting on one mechanism to be interleaved between a conductor transmission arbor and a conducted arbor The torque variator device of the invention is a mechanism to be interleaved between a transmission arbor and a conducted arbor, and it includes two circular plates that at the external edges they have double serrated rings. On one hand, said rings includ... | 08/28/2001 |
| 6279411 | Linear drive mechanism A linear drive mechanism comprising a moveably guided output member (12). The output member (12) is guided on a supporting device (15) in a supporting area (13) of the housing (1). A position determining device (54) protrudes laterally from the output mem... | 08/28/2001 |
| 6279412 | Corrosion resistant exoskeleton arm linkage assembly A system for shielding a robot arm against being splashed with fluids comprises a protective shell-like cover of thin-walled plastic material impervious to fluids which is removably attached to the robot arm. The protective cover has a contoured shape gen... | 08/28/2001 |
| 6279413 | Articulated robot A first arm (3) of a articulated robot has a double arm structure composed of a first arm piece (3a) and a second arm piece (3b). The first arm piece (3a) transmits a drive force, and a housing (4a) of a second arm (4) is rotatably mounted to the first ar... | 08/28/2001 |
| 6279414 | Manual type tilting apparatus for vehicle A manual type tilting apparatus of a vehicle is provided to improve convenience of a driver who can take an action to release the intermeshed state of a movable latch member of an upper steering column and a fixed latch member of a lower steering column a... | 08/28/2001 |
