Patents
Patents for G01L 9 - Measuring steady or quasi-steady pressure of a fluid or a fluent solid material by electric or magnetic pressure-sensitive elements; Transmitting or indicating the displacement of mechanical pressure-sensitive elements, used to measure the steady or quasi-steady pressure of a fluid or fluent solid material, by electric or magnetic means (16,396)
02/1997
02/20/1997DE19628551A1 Pressure measuring unit for static and dynamic pressure
02/20/1997DE19543893C1 Aligning second structure opposite micromechanical first structure in substrate
02/20/1997DE19531926A1 Correcting differential pressure signals obtained from measuring transducer
02/19/1997EP0758739A1 Sensor module
02/19/1997EP0758443A1 Coriolis mass flow rate meter having adjustable pressure and density sensitivity
02/19/1997CN1143412A Robust bond for micromachined sensor
02/19/1997CN1143186A Equipment for assembling parts to basal plate
02/19/1997CN1143185A Measuring method for slurry concentration in pipeline
02/18/1997US5604372 Semiconductor pressure sensor apparatus
02/18/1997US5604363 Semiconductor pressure sensor with package
02/18/1997US5604160 Method for packaging semiconductor devices
02/18/1997US5604144 Method for fabricating active devices on a thin membrane structure using porous silicon or porous silicon carbide
02/18/1997US5603563 Vehicular lamp having glittering appearance
02/13/1997WO1997005464A1 Testable membrane sensor with two full bridges
02/13/1997WO1997005463A1 Capacitive microsensor with low stray capacitance
02/12/1997EP0758080A1 Micromechanical device with stress-free perforated diaphragm
02/12/1997EP0757782A1 Coriolis mass flow rate meter
02/12/1997EP0757541A1 Implantable capacitive absolute pressure and temperature sensor
02/12/1997CN1142606A Pressure sensor for IC engine with intaking pipe
02/11/1997US5602339 Injection molding machine pressure transducer with trapezoidal cavity
02/11/1997US5602338 Differential pressure detecting apparatus
02/05/1997EP0757237A2 Pressure transducer
02/05/1997EP0756699A1 Piezo-resistive pressure sensor or pressure detector
02/05/1997CN1142167A Electrostatic-capacitor type sensor
02/05/1997CN1142049A Ceramic capacitor-type pressure transmitter and production technology thereof
02/04/1997US5600074 Silicon chip for use in a force-detection sensor
02/04/1997US5600072 Capacitive pressure sensor and method for making the same
02/04/1997US5600071 Vertically integrated sensor structure and method
02/04/1997US5600070 Fiber optic combustion pressure sensor with improved long-term reliability
01/1997
01/30/1997DE19527687A1 Sensor Sensor
01/29/1997EP0756164A2 Method for making diaphragm-based sensors and apparatus constructed therewith
01/29/1997EP0755507A1 Stabilized pressure sensor
01/29/1997EP0755506A1 Mounting of pressure sensor
01/29/1997CN1141688A Low cost center-mounted capacitive pressure sensor
01/28/1997US5598356 Displacement converting device and method for measuring pressure differences using same
01/22/1997CN1140836A Semiconductor differential pressure measuring device
01/21/1997US5596194 Single-wafer tunneling sensor and low-cost IC manufacturing method
01/21/1997US5596148 Pressure difference measurement transducer with electric lead-through in bore parallel to housing longitudinal axis
01/21/1997US5596147 Coplanar pressure sensor mounting for remote sensor
01/21/1997US5596145 Monolithic resonator for vibrating beam force sensors
01/21/1997US5595939 Liquid-sealed semiconductor pressure sensor and manufacturing method thereof
01/16/1997WO1997001885A1 Improved charge rate electrometer
01/15/1997EP0753912A1 Surface emission type semiconductor laser with optical detector, method of manufacturing thereof, and sensor using the same
01/15/1997EP0753728A2 Semiconductor differential pressure measuring device
01/15/1997EP0753134A1 Robust bond for micromachined sensor
01/14/1997US5594405 Pressure transducer with pressure sensitive conductor
01/09/1997WO1997000641A1 Sensor/guide device
01/07/1997US5591917 Semiconductor pressure sensor with rated pressure specified for desired error of linearity
01/07/1997US5591900 Method and apparatus for testing fluid pressure in a sealed vessel
01/07/1997US5591679 Sealed cavity arrangement method
01/03/1997WO1997000434A1 Piezoresistive pressure transducer circuitry accommodating transducer variability
01/03/1997WO1997000433A1 Pressure gauge
01/03/1997CA2224331A1 Piezoresistive pressure transducer circuitry accommodating transducer variability
01/02/1997EP0751385A2 Pressure sensor having reduced hysteresis and enhanced electrical performance at low pressures
01/02/1997DE19523526A1 Micro-optical component e.g. for use as microphone or pressure sensor
01/02/1997DE19523234A1 Differential pressure sensor for pipeline system
12/1996
12/31/1996US5589810 Semiconductor pressure sensor and related methodology with polysilicon diaphragm and single-crystal gage elements
12/31/1996US5589703 Edge die bond semiconductor package
12/31/1996US5589639 Sensor and transducer apparatus
12/27/1996EP0749570A1 Method and device for measuring the characteristics of an oscillating system
12/24/1996US5587909 Misfire detecting method
12/24/1996US5587601 Support structure for a semiconductor pressure transducer
12/24/1996US5587535 Pressure sensor including a pair of slidable contacts between a strain gage and a print circuit board
12/19/1996WO1996041141A1 Magnetic relative position transducer
12/19/1996DE19521832A1 Druckmeßvorrichtung Pressure measuring device
12/17/1996US5585567 Method and apparatus for determining the internal pressure of a sealed container
12/17/1996US5585311 Capacitive absolute pressure sensor and method
12/11/1996EP0747686A1 Forming a silicon diaphragm in a cavity by anodizing, oxidizing, and etching or by directly etching the porous silicon
12/11/1996EP0747684A1 Forming a silicon structure in a cavity by anodizing, oxidizing, and etching or by directly etching the porous silicon
12/11/1996EP0747672A1 Sensor device and method for adjusting the same
12/11/1996EP0645005B1 Aluminosilicate glass pressure transducer
12/11/1996EP0574409B1 Isolator for pressure transmitter
12/11/1996CN2242454Y Shock-resistant electric resistance long distance sensing pressure meter
12/10/1996US5583296 Layered diaphragm pressure sensor with connecting channel
12/10/1996US5583295 Pressure sensor having gauge resistors and temperature compensating resistors on the same surface
12/10/1996US5583294 Differential pressure transmitter having an integral flame arresting body and overrange diaphragm
12/08/1996CA2176052A1 Transducer having a resonating silicon beam and method for forming same
12/08/1996CA2176051A1 Transducer having a silicon diaphragm for forming same
12/04/1996EP0745834A2 Semiconductor pressure sensor
12/04/1996CN1033469C Multi-function differential pressure sensor
12/03/1996US5581648 Optical fiber probe for monitoring fluid medium
12/03/1996US5581226 High pressure sensor structure and method
12/03/1996US5581038 Pressure measurement apparatus having a reverse mounted transducer and overpressure guard
12/03/1996CA2084323C Speech signal encoding system capable of transmitting a speech signal at a low bit rate
11/1996
11/28/1996DE19547783C1 Semiconductor sensor, e.g. for pressure measurement etc.
11/27/1996EP0744603A1 Linear capacitive sensor by fixing the center of a membrane
11/26/1996US5579437 Pitch epoch synchronous linear predictive coding vocoder and method
11/26/1996US5579283 Method and apparatus for communicating coded messages in a wellbore
11/26/1996US5578843 Semiconductor sensor with a fusion bonded flexible structure
11/26/1996US5578760 Seal diaphragm structure for pressure measuring device
11/26/1996US5578759 Pressure sensor with enhanced sensitivity
11/26/1996US5578528 Method of fabrication glass diaphragm on silicon macrostructure
11/20/1996EP0742893A1 A capacitive pressure sensor having a reduced area dielectric spacer
11/19/1996US5576503 Method of drawing samples into containers
11/19/1996US5576500 Apparatus for measuring an attribute of a fluid in a flow conduit
11/19/1996US5576493 Method and means for filtering contaminants from a gas stream to detect filter condition in situ
11/19/1996US5576251 Process for making a semiconductor sensor with a fusion bonded flexible structure
11/14/1996DE19517676A1 Pressure sensor for internal combustion engine with induction manifold pipe
11/13/1996EP0742596A1 Diaphragm structure
11/13/1996EP0742581A2 Sealed cavity arrangement