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)
03/1993
03/30/1993US5197334 Programmable compensation of bridge circuit thermal response
03/24/1993EP0533551A1 Process for manufacturing thin film layers of semiconductor material
03/24/1993EP0533389A2 Amplified pressure transducer
03/24/1993EP0533119A1 Device for measuring the pressure acting on a base
03/24/1993EP0311612B1 Capacitance pressure sensor
03/23/1993US5196694 Temperature compensated self-referenced fiber optic microbend pressure transducer
03/23/1993US5195375 For phsiological measurements in situ, elastic diaphragm
03/23/1993US5195374 Sensor systems
03/18/1993DE4230827A1 Electrical measurement appts. for determining non-electrical parameter, esp. for injection moulding machine - has analogue transducer with internal or attached analogue=to=digital converter and cable connection to separate digital processing unit
03/17/1993EP0531696A1 Pressure sensor
03/16/1993US5194819 Linearized capacitance sensor system
03/16/1993US5194697 Electrically conductive feedthrough connection and methods of manufacturing same
03/16/1993US5193394 Transducing device for accurately transducing a physical quantity into an electric signal
03/16/1993US5193393 Pressure sensor circuit
03/16/1993CA1314410C Wiring structure of semiconductor pressure sensor
03/11/1993DE4230031A1 Capacitive pressure sensor with housing, fixed capacitor and pot-shaped diaphragm parts - has welded joint between pot-shaped diaphragm section and sensor housing remote from thicker diaphragm base section
03/11/1993DE4229834A1 Electrical processing of vacuum pressure information for vacuum unit - comparing each value measured before connection to vacuum aperture with previously stored dual level value below maximum measured value
03/11/1993DE4229833A1 Pneumatic pressure data processing appts. for vacuum unit - has vacuum pressure detectors, digital pressure display and memory, and allows setting w.r.t. displayed pressures
03/11/1993DE4129414A1 Ternary activated solder
03/10/1993EP0530434A1 Pressure sensor
03/10/1993EP0229822B1 Method and apparatus for sensing a measurand
03/09/1993US5191798 Pressure sensor
03/05/1993CA2050609A1 Fiber-optic strain gauge manometer
03/04/1993WO1993004349A1 Magnetostrictive pressure sensor
03/04/1993WO1993004347A1 Microsensor including a temperature compensated vibratory bar
03/03/1993CN2127785Y Differential pressure transducer and its interface
03/02/1993US5191237 Field-effect transistor type semiconductor sensor
03/02/1993US5189917 Electrical mercury manometer
03/02/1993US5189916 Pressure sensor
03/02/1993US5189914 Plate-mode ultrasonic sensor
03/02/1993US5189777 Method of producing micromachined differential pressure transducers
02/1993
02/25/1993DE4227819A1 Capacitive pressure sensor with diaphragm structure - contains substrate with three thin film membranes and two capacitors formed between electrodes on each membrane
02/24/1993EP0528657A2 Improved fiber optic pressure sensor systems
02/24/1993EP0528551A2 Silicon-on-silicon differential input sensors
02/23/1993US5189591 Aluminosilicate glass pressure transducer
02/23/1993US5188983 Polysilicon resonating beam transducers and method of producing the same
02/23/1993US5187986 Semiconductor sensor
02/23/1993US5187985 Amplified pressure transducer
02/23/1993US5187984 Hydrostatic pressure transducer
02/23/1993US5187983 Fiber-optic strain gauge manometer
02/22/1993CA2068033A1 Fiberoptic pressure sensor systems
02/18/1993DE4225879A1 Measuring head for monitoring pressure and temp. inside die casting mould - comprises thermocouple integrated in piezoelectric force monitoring device
02/16/1993US5187674 For determining fuel gas pressure
02/16/1993US5186055 Hermetic mounting system for a pressure transducer
02/16/1993US5186054 Capacitive pressure sensor
02/10/1993EP0438429B1 Process and device for recognizing spark failures
02/09/1993US5184515 Single diaphragm transducer with multiple sensing elements
02/04/1993WO1993002342A1 Sensor for force, acceleration and magnetism using piezoelectric devices
02/04/1993DE4125467A1 Simultaneous measurement sensor for acceleration and pressure difference - comprises chamber divided into two pressure chambers by membrane carrying seismic weight and acceleration detection system
02/04/1993DE4125398A1 Pressure or force sensor e.g. for electronic and chemical mfg. - has mechanical transducer mounted between membrane stiffening regions
02/03/1993EP0526290A1 Strain dependent thin film based on cermet from tantalum and tantalum nitrid, its process of preparation and its application in a pressure sensor
02/03/1993EP0524950A1 Process for manufacturing mechanical micro-structures.
02/02/1993US5184107 Piezoresistive pressure transducer with a conductive elastomeric seal
01/1993
01/27/1993EP0524856A1 Procedure for correcting the influence of the temperature on the measurements of a pressure transducer
01/27/1993EP0524550A1 Gas filled relative pressure sensor
01/27/1993EP0524381A1 Microtechnical fabricated sensing device
01/27/1993EP0524188A1 Intracranial pressure monitoring system.
01/26/1993US5181423 Apparatus for sensing and transmitting in a wireless manner a value to be measured
01/26/1993US5181417 Pressure detecting device
01/26/1993CA1313060C Pressure transducer with conductive polymer bridge
01/23/1993CA2074241A1 Silicon-on-silicon differential input sensors
01/19/1993US5179856 Pressure gauge
01/19/1993CA1312964C Low stress polysilicon microstructures
01/14/1993DE4219338A1 Non-electrical parameter detecting sensor e.g. for pressure or pressure difference in system contg. water - has measurement magnet protected against contact with fluid by highly flexible seting material
01/13/1993EP0522567A1 Pressure converter
01/13/1993CN1067963A Crystal pressure-sensitive element using pseado surface wave
01/12/1993US5178016 Silicon pressure sensor chip with a shear element on a sculptured diaphragm
01/12/1993US5178015 Silicon-on-silicon differential input sensors
01/12/1993CA1312520C Catheter assembly
01/07/1993DE4124424A1 Non-electric parameter detector - has flexible mass enclosing moving magnet to prevent contact with medium handled
01/07/1993DE4121178A1 Holder for measurement device on hand-gun esp. for sport or hunting - has yoke-shaped carrier removably attached to breech casing by elastic band around shaft
01/05/1993US5177661 SOI diaphgram sensor
01/05/1993US5177579 Semiconductor transducer or actuator utilizing corrugated supports
01/05/1993CA1312216C Resonator pressure transducer structure and method of manufacture
01/05/1993CA1312213C Pressure transducer
12/1992
12/30/1992EP0520352A2 Capacitive sensing device
12/29/1992US5174926 Compositions for piezoresistive and superconductive application
12/29/1992US5174158 Resistive strain gauge pressure sensor
12/29/1992US5174157 Pressure transducer
12/29/1992US5174156 Pressure transducer with reduced offset signal
12/29/1992US5174014 Method of manufacturing pressure transducers
12/23/1992EP0519817A1 Supporting device for the capsule of an electrical transducer
12/22/1992US5173836 Hermetically sealed interface
12/15/1992US5170668 Unit for measuring or other device
12/15/1992CA1311370C Apparatus and method for measuring differential pressure while drilling
12/15/1992CA1311365C Pressure transducer with stress isolation for hard mounting
12/10/1992WO1992021949A1 Determination of induced change of polarization state of light
12/10/1992DE4218324A1 Semiconductor extension sensor, e.g. for operating airbag system in motor vehicle - contains transfer system passing mechanical stress, e.g. caused by acceleration, to stress detection element
12/10/1992DE4211247A1 Semiconductor wafer with membrane pressure sensor elements - has semiconducting substrate with through-holes and bonded socket with sets of holes corresp. to sensor elements and substrate holes
12/09/1992CN1066922A Pressure sensor with high modulus support background of invention
12/08/1992US5170237 Semiconductor pressure sensor
12/08/1992US5169472 Forming micromechanical pressure sensor: polishing, cleaning, dipping in nitric acid at room temperature, sealing wafers under vacuum, heat treating at low temperature
12/03/1992WO1992022794A1 Melt pressure measurement and the like
12/02/1992EP0516579A1 Interface connection through an insulating part
12/01/1992US5168419 Capacitor and pressure transducer
12/01/1992US5168192 Pressure sensor for use in internal combustion engine
12/01/1992US5167778 Electrochemical etching method
12/01/1992US5167158 Semiconductor film pressure sensor and method of manufacturing same
11/1992
11/25/1992EP0514569A1 Pressure sensor
11/24/1992US5165289 Resonant mechanical sensor