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| Number | Title | Issue Date |
| 5412984 | Vessel speed measuring system for the marine propulsion machine The present invention details several embodiments of a vessel speed measuring and indicating system, having a pressure intake port within a leading edge of a lower outboard portion of a vessel propulsion arrangement, which is structured to prevent debris,... | 05/09/1995 |
| 5408885 | Pressure detecting circuit for semiconductor pressure sensor A pressure detecting circuit compensating for temperature dependency of a zero point output voltage of a semiconductor pressure sensor. A differential amplifier circuit in a signal processing circuit of the semiconductor pressure sensor includes two trans... | 04/25/1995 |
| 5400655 | Pressure measuring apparatus A pressure measuring apparatus comprising a seal diaphragm that separates a fluid to be measured from a pressure transmitting medium that transmits a pressure variation of the fluid to be measured to a pressure detecting section. In such an apparatus, a n... | 03/28/1995 |
| 5388462 | Capacitance pressure transducer A low pressure capacitance measurement device where capacitance base members are constructed from metal and one of the base members arranged to be torqued relative to the other base member where the stress level is maintained within the elastic limits of ... | 02/14/1995 |
| 5383370 | Device for verifying a minimum torque value A device for verifying or measuring a minimum value of a previously applied torque on a workpiece such as bolt, nut, etc., includes a motor, a reduction gear assembly, a torque transducer and a fastener engaging member, including a rotatably spindle. The ... | 01/24/1995 |
| 5377552 | Linear bearing assembly with load compensating ball bearing array A linear bearing assembly having a load compensating ball bearing array whose rolling friction increases when a sufficiently large load is applied thereto. The design of the ball bearing array permits the assembly to achieve desired torque, efficiency, en... | 01/03/1995 |
| 5365791 | Signal generator A signal generator for generating an electrical signal which varies in accordance with movement of an actuating member includes a plunger slidable mounted within a housing which carries a pair of permanent magnets for generating a magnetic field to be app... | 11/22/1994 |
| 5365782 | Handling room for wind-tunnel cryogenic models For cooling down a cryogenic model, provided for testing in a cryogenic wind tunnel, to the wind tunnel temperature and for performing mounting work and configurational changes on the cryogenic model, there is provided a working chamber which is supplied ... | 11/22/1994 |
| 5365781 | Tire uniformity correction without grinding A method and apparatus for reducing the magnitude of a uniformity characteristic in a cured tire and the tire produced thereby. A signal is generated which is indicative of the magnitude of the uniformity characteristic. The signal is also indicative of t... | 11/22/1994 |
| 5365790 | Device with bonded conductive and insulating substrates and method therefore A device with bonded and conductive substrates is disclosed. This device includes a conductive substrate (509) having an electrically insulating layer (515) disposed on a portion thereon. An electrically conductive layer (519) is disposed on the electrica... | 11/22/1994 |
| 5363703 | Dual transducer A pressure transducer system for developing accurate pressure measurements with a torque driven pressure transducer where the transducer has dual capacitor devices in tandem and mechanically coupled to permit relative displacement along a elongated axis i... | 11/15/1994 |
| 5359888 | Air turbulence and wind shear sensor An apparatus detects an air turbulence and wind shear encountered by an air vehicle having an accelerometer sensing air vehicle vertical acceleration. The apparatus includes a pressure sensor having a pressure sensing port for sensing a pressure parameter... | 11/01/1994 |
| 5359886 | Device for warning of tire underinflation by creating imbalance Device (1, 2, 3, 4) for warning of the under-inflation of a tire, mounted the wheel of the tire, includes a stationary element (10, 71) with two inner chambers (11, 12, 73, 74), one (11, 73) of which is brought to the inflation pressure, the other (12, 7... | 11/01/1994 |
| 5359890 | Integrated electronic primary flight display One side of a primary flight display has an elongated vertically disposed airspeed dial display which provides global or macro airspeed information. A rolling drum display provides a digital display of a present value of airspeed. An elongated vertically ... | 11/01/1994 |
| 5357799 | Method and apparatus for determining abrasion potential of tire treads An apparatus and technique for determining the abrasion potential for tire treads is presented. A tire is rotatably and forcefully brought into contacting engagement with a reflective surface received upon an illuminated glass plate. A charge coupled devi... | 10/25/1994 |
| 5357808 | Overpressure-protected, differential pressure sensor An overpressure-protected, differential pressure sensor (37) is formed by depositing diaphragm material (24) over a cavity (23) formed and filled with sacrificial material (22) into a front surface of a substrate. The sacrificial material (22) is then rem... | 10/25/1994 |
| 5357796 | Ballistics measuring system An elongate vessel containing a fluid is equipped with at least one and preferably a plurality of pressure transducers spaced apart longitudinally along the vessel that can sense disturbances in the fluid. A projectile launcher, which is typically a gun, ... | 10/25/1994 |
| 5357807 | Micromachined differential pressure transducers Microminiature pressure transducers are formed on semiconductor substrates such as silicon and include a membrane which spans a cavity over the substrate, with the membrane being mounted to and sealed to the substrate at the peripheral edges of the membra... | 10/25/1994 |
| 5357805 | Pressure measurement apparatus for inspecting therapeutic energy waves This invention relates to a pressure measurement apparatus for inspecting therapentic energy waves, e.g. shock waves or ultrasonic waves. The pressure measurement apparatus for inspecting focal position and pressure of therapeutic energy waves comprises a... | 10/25/1994 |
| 5355716 | Generalized rotary shock and impact testing machine This invention relates to a shock and impact testing apparatus for subjecting items under test, such as a motor vehicle crash sensor, to an acceleration pulse of a prescribed amplitude and shape, such as a half sine or haversine. The apparatus includes a ... | 10/18/1994 |
| 5355733 | Wide scale pointer arc, diaphragm gauge An indicator gauge may utilize a motion amplifying gauge movement. The motion amplifying mechanism makes it possible for a diaphragm-type pressure gauge to provide large angular displacements for an indicating pointer. The indicator gauge may be configure... | 10/18/1994 |
| 5353643 | Pressure sensor To compensate for temperature effects on the measuring signal of a pressure sensor which includes a membrane part with at least indirect signal generation and is a supporting base, the membrane part being deformed by the pressure to be measured and cooper... | 10/11/1994 |
| 5351555 | Circularly magnetized non-contact torque sensor and method for measuring torque using same A torque sensor comprises a magnetoelastically active element, and a magnetic sensor, such as a Hall effect sensor, responsive to the field of the magnetoelastically active portion. In the preferred embodiment, the magnetoelastically active portion compri... | 10/04/1994 |
| 5351540 | Grade angle and acceleration sensor A grade and acceleration sensor having a weight, a first sensor for measuring a first parameter of the weight due at least to the force of gravity to generate a first signal, a second sensor for measuring a second parameter of the weight due to both the f... | 10/04/1994 |
| 5351550 | Pressure sensor adapted for use with a component carrier A pressure transducer is provided with a housing member that attaches to a rigid and generally planar member, such as a ceramic circuit board. The legs of the housing member can pass through holes in the circuit board or, alternatively, can attach to edge... | 10/04/1994 |
| 5349867 | Sensitive resistive pressure transducer A resistive pressure transducer wherein a flexible diaphragm is mounted in a spaced apart relationship to the upper surface of a base member. A conductive path is deposited on one surface of the diaphragm. A resistive configuration is also deposited on th... | 09/27/1994 |
| 5349851 | Active thermal isolation for temperature responsive sensors A temperature responsive sensor is located in the airflow over the specified surface of a body and is maintained at a constant temperature. An active thermal isolator is located between this temperature responsive sensor and the specified surface of the b... | 09/27/1994 |
| 5349856 | Vibratory gyroscope A vibratory gyroscope comprises, for example, a regular triangular columnar vibrating body, and on two side faces of the vibrating body, two driving and detecting piezoelectric elements are formed. To the piezoelectric elements, an output terminal of an o... | 09/27/1994 |
| 5347842 | Calibration apparatus for tire test system Calibration apparatus (40) for a tire testing machine (11) having an A-shaped framework (13) formed by diverging trunions (25, 26) with a spindle (37) having a face seating a wheel for mounting a test tire (T) movably supported between the trunions includ... | 09/20/1994 |
| 5347860 | Benthic sampling effectiveness measurer This invention provides a device and method for measurement of the actual on-bottom time of a sampling otter trawl used for benthic sampling. The device uses passive measurement of the actual on-bottom time without cables and wires connected to the ship, ... | 09/20/1994 |
| 5347867 | Accelerometer incorporating a driven shield An accelerometer implementing a capacitive transducer, including circuitry for reducing the effective loading capacitance on a movable vane. The capacitive transducer includes a pair of shields, including an inner shield driven by the output of a unity ga... | 09/20/1994 |
| 5347869 | Structure of micro-pirani sensor A new structure of a vacuum meter with good designs of temperature compensation and stabilization, The structure comprises a floating plate made by a micro-machining technique and a thermal sensitive element installed on the floating plate, The floating p... | 09/20/1994 |
| 5345823 | Accelerometer An accelerometer unit has a capacitor detect plate and a source place connector preferably defined respectively inside and outside a groove in one surface of a ceramic substrate. A flat metal member has an attachment portion secured in electrically conduc... | 09/13/1994 |
| 5343742 | Floating platform tow post A towing post provides a floating transducer platform on a carriage which arranged for motion in a vertical direction above the center of pressure of a model being tested, for example, by towing across or through a towing basin. Linear bearings are attac... | 09/06/1994 |
| 5343757 | Pressure sensor Two half housings are connected each other, one has a fluid inlet port and the other supports an outer connector. The inner space thereof is airtightly partitioned by a capacitive pressure transducer. In the sealed space, a space ring and a circuit board ... | 09/06/1994 |
| 5341684 | Pressure sensor built into a cable connector A semiconductor sensor (10) is built into a cable connector to provide rapid and reliable attachment of the semiconductor sensor (10) into a monitoring or control system. The sensor (10) is mounted in a package (11) having cable connector leads (12, 13, 1... | 08/30/1994 |
| 5341676 | Surface pressure measurement by oxygen quenching of luminescence Methods and compositions for measuring the pressure of an oxygen-containing gas on an aerodynamic surface, by oxygen-quenching of luminescence of molecular sensors is disclosed. Objects are coated with luminescent films containing a first sensor and at le... | 08/30/1994 |
| 5339690 | Apparatus for measuring the rate of rotation and linear accelleration of a moving body in two perpendicular axes An apparatus for measuring the rate of rotation and linear acceleration of a moving body in two perpendicular axis (X and Y). The rate of rotation is determined by measuring the force resulting from the Coriolus effect and the linear acceleration is deter... | 08/23/1994 |
| 5337606 | Laterally sensitive accelerometer and method for making A micromachined capacitor structure having a first anchor (12) attached to the substrate (24), a tether (13) coupled to the anchor (12) and having a portion free to move in a lateral direction over the substrate (24) in response to acceleration. A tie-bar... | 08/16/1994 |
| 5337612 | Apparatus for pressure transducer isolation A transducer sensing element isolation assembly including a pressure housing having a chamber in which the sensing element is disposed, which sensing element communicates with the interior of a bellows through a sealing element disposed between the pressu... | 08/16/1994 |
