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)
06/1987
06/02/1987CA1222393A1 Diaphragm deflection sensor for fused silica diaphragm module
05/1987
05/26/1987US4667518 Sensor circuit
05/26/1987US4667516 Circuit arrangement for compensating for the temperature dependence of the sensitivity and the null point of a piezoresistive pressure sensor
05/26/1987US4667514 Parameter sensors and monitors
05/21/1987WO1987003088A1 Dual diaphragm differential pressure transducer
05/20/1987EP0222503A1 Transducers
05/20/1987EP0110992B1 A liquid to liquid differential capacitive pressure transducer and method for manufacturing same
05/19/1987US4667097 Compensated vibrating optical fiber pressure measuring device
05/19/1987US4667069 Multiple disc pressure responsive control device
05/19/1987US4665754 Pressure transducer
05/19/1987US4665753 Inductive differential pressure sensor
05/19/1987US4665747 Flight instrument using light interference for pressure sensing
05/19/1987US4665610 Method of making a semiconductor transducer having multiple level diaphragm structure
05/13/1987EP0221467A1 Vibrating type transducer
05/12/1987US4663974 Pressure sensing device
05/12/1987US4663965 Pressure monitoring
05/07/1987DE3538914A1 Sensor for measuring or detecting pressures
05/05/1987US4662226 Pressure transducer
04/1987
04/29/1987EP0219642A2 Humidity compensation of an air pressure measuring device
04/29/1987EP0219631A2 Resistive-pressure sensor
04/29/1987EP0219543A1 Sealed cavity semiconductor pressure transducers and method.
04/28/1987US4660420 AT-cut crystal resonator pressure transducer
04/21/1987US4659235 For use in a vehicle control system
04/21/1987US4658651 Wheatstone bridge-type transducers with reduced thermal shift
04/21/1987CA1220835A1 Measurement apparatus
04/15/1987EP0218465A2 Pressure sensor
04/14/1987US4658279 Velocity saturated strain sensitive semiconductor devices
04/14/1987US4656871 Capacitor sensor and method
04/08/1987EP0216812A1 A measuring device.
04/07/1987US4656454 Piezoresistive pressure transducer with elastomeric seals
04/07/1987US4655088 Unibody pressure transducer package
04/07/1987CA1220048A1 Temperature compensated optical pressure sensor
04/02/1987DE3535222A1 Burglary alarm
04/02/1987DE3534608A1 Arrangement for converting forces into electric signals
04/01/1987EP0216288A1 Interface circuit between a sensor, particularly a thick film pressure sensor, and an electrodynamic instrument, and a sensor incorporating such a circuit
03/1987
03/31/1987US4654621 Semiconductor strain measuring apparatus
03/31/1987US4653330 Pressure transmitter housing
03/31/1987US4653329 Pressure detector and strain member therefor
03/26/1987DE3534050A1 Circuit arrangement having a bridge circuit
03/25/1987EP0215528A1 Catheter tip pressure transducer
03/25/1987EP0215232A2 Electrical sensor for measuring pressure or force
03/25/1987EP0215140A1 Pressure sensor
03/25/1987CN86205255U Automatic negative pressure-regulating device
03/24/1987US4651569 Torque tube digital differential pressure sensor
03/24/1987CA1219467A1 Resonator pressure transducer
03/19/1987DE3630368A1 Vibration transducer and method for manufacturing it
03/18/1987EP0214468A2 Pressure transducer
03/17/1987US4651120 Silicon nitride on silicon substrate etching
03/11/1987EP0213727A2 Measuring circuit
03/10/1987US4649363 Sensor
03/10/1987US4649341 Inductive measuring arrangement for determining the position of a movable core member
03/10/1987US4649312 Reinforced piezoelectric transducer and pressure sensor using such a transducer
03/10/1987US4648277 Pressure responsive assembly
03/10/1987CA1219056A1 Integrated electroacoustic transducer
03/05/1987DE3528416A1 Evaluating circuit for a capacitive sensor
03/04/1987EP0212942A2 Deflecting-diaphragm pressure sensors
03/04/1987EP0212255A2 Pressure control device
03/04/1987CN85105619A Pressure sensor and its fixing method
03/03/1987US4646563 Transducer for use in detecting the pressure of high pressure fuel in the injection supply pipe of a compression ignition engine
02/1987
02/25/1987EP0211519A2 Capacitive differential pressure transducer
02/24/1987US4645965 Cylinder pressure transmitter for an internal combustion engine
02/24/1987US4644804 Quartz resonating force and pressure transducer
02/24/1987US4644798 Capacitive type converter device
02/24/1987US4644797 Semiconductor pressure transducer
02/19/1987DE3625098A1 Optical fibre reflecting sensors for force measurements
02/17/1987US4644482 Digital pressure transducer and corrections circuitry system
02/11/1987EP0138893B1 Capacitive pressure sensor
02/10/1987CA1217647A Fluid pressure transmitter assembly
02/05/1987DE3621876A1 Pressure measurement transducer
02/05/1987DE3621862A1 Device for pressure measurement
02/04/1987EP0210843A2 Pressure transducers and methods of converting a variable pressure input
02/04/1987EP0210523A1 Device for measuring pressure, normal force and bending on canalisations
01/1987
01/31/1987CN85101983A Portable memory digital air chattock gauge
01/29/1987WO1987000618A1 Method and apparatus for sensing a measurand
01/28/1987EP0210015A2 Pressure transmitter and housing therefor
01/28/1987CN85108622A Circuit for capacitive sensor make of brittle material
01/27/1987US4638664 Quartz barometer
01/22/1987DE3525069A1 Elastic seal for housings
01/22/1987DE3523104A1 Arrangement having a measuring electrode to which are assigned at fixed distances a first and a second field-generating electrode
01/20/1987US4637257 Pressure difference measuring device with a semiconductor pressure sensor
01/14/1987EP0208545A2 Method and apparatus for detecting combustion pressure in engine
01/14/1987EP0207990A1 A device for recording physiological pressures.
01/13/1987US4636714 Capacitive transducer and method
01/10/1987CN85101372A Semi conductor pressure gauge
01/07/1987EP0207512A2 Fluid pressure sensor
01/02/1987DE3522383A1 Compact differential pressure sensor
12/1986
12/30/1986US4633099 Feedback circuit for a semiconductor active element sensor
12/30/1986EP0206888A1 Piezoelectric resonator with a sensitivity extremity in respect of external compressive forces
12/23/1986US4631535 Submersible pump pressure detection circuit
12/23/1986US4631401 Optic sensors
12/23/1986US4630473 Versatile force measuring system
12/18/1986WO1986007445A1 Optical pressure sensor
12/17/1986EP0070301B1 Reactance measurement circuit
12/16/1986US4628740 Pressure sensor
12/09/1986US4628403 Capacitive detector for absolute pressure
12/09/1986US4627292 AC transducers, methods and systems
12/09/1986US4627286 Pressure or pressure difference measuring instrument
12/03/1986EP0203364A2 Fluid-bearing of a piston of a pressure-measuring device
12/03/1986EP0203283A2 Bourdon tube pressure sensor
12/02/1986US4626680 Pressure sensor whose optical system moves in response to movement of diaphragm