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)
01/1998
01/28/1998CN1171554A 半导体加速度传感器 Semiconductor acceleration sensor
01/27/1998US5712428 Pressure sensor with a solid to minimize temperature-related measurement error
01/22/1998WO1998002866A1 System and method for detecting deformation of a membrane
01/22/1998WO1998002723A1 Improved heated pressure transducer assembly
01/21/1998EP0689668B1 Pressure difference measurement converter
01/21/1998EP0668995B1 Method of fabricating at least a membrane mounted on a frame
01/20/1998US5709337 Mounting assembly for a pressure transmitter
01/15/1998WO1998001732A1 Quartz transducer
01/15/1998WO1998001731A1 Pressure transducer with error compensation
01/15/1998WO1998001297A1 Quartz construction
01/14/1998EP0818046A1 Capacitive absolute pressure sensor and method
01/13/1998US5706565 Method for making an all-silicon capacitive pressure sensor
01/08/1998WO1998000692A1 Pressure sensor for mounting on the components side of a printed circuit board
01/08/1998WO1998000691A1 Semiconductor device
01/08/1998WO1998000690A1 Pressure sensor component mounted on the insertion surface of a circuit board
01/07/1998EP0816818A2 Capacitance measuring sensor and selection circuit
01/07/1998EP0815452A1 Pipette pressure sensor for a diagnostic system
01/07/1998EP0643823B1 Pressure transducer interface
01/06/1998US5706372 Integrated optoelectronic combustion pressure sensor
01/06/1998US5705751 Magnetic diaphragm pressure transducer with magnetic field shield
01/02/1998DE19626086A1 Auf der Bestückungsoberfläche einer Leiterplatte montierbares Drucksensor-Bauelement Mountable on the mounting surface of a printed circuit board Pressure sensor component
01/02/1998DE19626084A1 Drucksensorvorrichtung für eine Montage auf der Bestückungsoberfläche einer Leiterplatte Pressure sensor device for mounting on the mounting surface of a printed circuit board
01/02/1998DE19626083A1 Dual=transducer component e.g. semiconductor pressure sensor, surface mountable on printed circuit board
01/02/1998DE19626081A1 Halbleiter-Bauelement Semiconductor component
01/02/1998DE19625704A1 Vehicle tank pressure measuring process for leak testing
12/1997
12/31/1997CN2271709Y Central diaphragm automatic tension bridle
12/31/1997CN1168969A Integrated sensor
12/30/1997US5703393 Semiconductor pressure detecting device and manufacturing method of the device
12/30/1997US5703296 Pressure sensor having reduced hysteresis and enhanced electrical performance at low pressures
12/30/1997US5703282 Pressure sensor for pressure detection in combustion chamber of internal combustion engine
12/30/1997US5703280 Method and apparatus for checking waterproof connectors for waterproofness
12/30/1997US5703279 Waterproofness checking jig for a waterproof connector
12/30/1997US5702619 Method for fabricating a high pressure piezoresistive transducer
12/30/1997US5701646 For detecting a liquid in a flexible conduit
12/24/1997WO1997048974A1 Impulse line blockage detector systems and methods
12/24/1997CN1168472A 半导体加速度传感器 Semiconductor acceleration sensor
12/17/1997EP0813047A2 Transducer having redundant pressure sensors
12/17/1997EP0812413A1 Pressure sensors and pressure transmitters
12/17/1997CN2270969Y Storage type electronic pressure gage
12/17/1997CN1167912A Manometer
12/11/1997CA2197897A1 Transducer having redundant pressure sensors
12/10/1997EP0811831A1 Single-sided differential pressure sensor
12/10/1997EP0811771A2 Method for producing an actuator
12/09/1997US5696874 Multipulse processing with freedom given to multipulse positions of a speech signal
12/09/1997US5695590 Anodic bonding method for making pressure sensor
12/09/1997CA2028113C Electrically conductive feedthrough connection and methods of manufacturing same
12/04/1997DE19638407A1 Semiconductor sensor with adjustable output signal
12/03/1997EP0810432A1 Method for manufacturing a combined pressure and electrochemical sensor
12/03/1997EP0809793A1 Pressure transducer, in particular for sensing a lateral collision in a motor vehicle
12/02/1997US5693936 Physical quantity detecting apparatus and internal combustion engine control apparatus each utilizing optical fiber
12/02/1997US5693887 Pressure sensor module having non-contaminating body and isolation member
12/02/1997US5693234 Method for producing at least one recess in a surface of a substrate apparatus for carrying out the said method and use of the product thus obtained
11/1997
11/26/1997EP0809106A1 Fluid sensor
11/26/1997EP0809105A1 Sensor device
11/25/1997US5691480 Sensor package with exterior compensation circuit
11/25/1997US5691479 Pressure transducer with a housing for use with a conventionally packaged pressure sensor
11/25/1997US5690841 Method of producing cavity structures
11/18/1997US5689107 Displacement-based opto-electronic accelerometer and pressure sensor
11/13/1997WO1997042478A1 Device for electro-optical pressure measurement
11/13/1997WO1997042477A1 Micromechanical pressure and force sensor
11/13/1997DE19718370A1 Method for producing sensitive pressure sensor or acoustic transducer
11/13/1997DE19647408C1 Pressure sensor for vehicle door
11/13/1997DE19617696A1 Mikromechanischer Druck- und Kraftsensor Micromechanical pressure and force sensor
11/12/1997EP0806644A2 Pressure detection method and device
11/12/1997EP0806643A2 Device for measuring the force and/or torque
11/12/1997EP0805946A1 Apparatus for microindentation hardness testing and surface imaging incorporating a multi-plate capacitor system
11/12/1997CN2267459Y Device for measuring wind pressure
11/12/1997CN2267458Y Low temp. resistance sensing device
11/11/1997US5686826 Ambient temperature compensation for semiconductor transducer structures
11/11/1997US5686698 Package for electrical components having a molded structure with a port extending into the molded structure
11/05/1997EP0778746A4 Ultra miniature pressure sensor and guidewire using the same and method
11/05/1997EP0714344A4 Apparatus for sensing pressure in mold cavity during injection of molded parts
11/04/1997US5684428 Sensor apparatus capable of preventing high frequency noise
11/04/1997US5684253 Differential pressure sensor with stress reducing pressure balancing means
11/04/1997US5683594 Method for making diaphragm-based sensors and apparatus constructed therewith
11/04/1997US5683546 Masking layers of air bridge patterns, generating isotropic defects in silicon substrates, ions and anisotropic etching
10/1997
10/30/1997WO1997039679A1 Pressure transducer apparatus with disposable dome
10/30/1997DE19714703A1 Pressure sensor with metal membrane for use as strain gauge element
10/28/1997US5681997 Excitation of polysilicon based piezoresistive pressure sensors
10/23/1997WO1997039320A1 Pressure sensor
10/22/1997CN2265535Y High-temp. electronic double-parameter tester
10/22/1997CN1162991A Differential pressure transmitter
10/21/1997US5680109 Impulse line blockage detector systems and methods
10/21/1997US5679902 Surface-micromachined symmetrical differential pressure sensor with electrodes patterned into multiple conducting areas
10/16/1997WO1997038291A1 Device for measuring pressure
10/16/1997WO1997038290A1 Flexing diaphragm pressure sensor package
10/16/1997DE19614315A1 Pressure sensor system with several pressure sensor units each with fluid chamber for vehicle seat
10/15/1997EP0801293A1 Pressure sensor or differential pressure sensor
10/15/1997EP0801150A2 Electronic component
10/15/1997EP0717836A4 Media-isolated differential pressure sensor
10/15/1997EP0549807B1 Sensor for force, acceleration and magnetism using piezoelectric devices
10/14/1997US5677560 Micromechanical component and process for the fabrication thereof
10/14/1997US5677548 Silicon-on-insulator structure and semiconductor pressure detecting device using the structure
10/14/1997US5677493 Composite condition detection apparatus for detecting static pressure, differential pressure and temperature of a process
10/14/1997US5677479 Method of checking waterproof connectors for waterproofness, and waterproofness checking apparatus and jig
10/09/1997WO1997037204A1 Pressure sensor and method of producing the same
10/08/1997EP0800070A1 Pressure sensor package and method of making the same
10/08/1997EP0799412A1 Excitation of polysilicon-based pressure sensors
10/07/1997US5675415 Physical quantity measurement apparatus and instrument therefor
10/07/1997US5675317 Residual pressure sensor and residual pressure sensor monitoring apparatus