Patents
Patents for G01P 15 - Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration (18,281)
09/1990
09/05/1990CN1045176A Magnetically driven vibrating beam force transducer
08/1990
08/31/1990CA2010610A1 Accelerometer with coplanar push-pull force transducers
08/31/1990CA2010437A1 Electrostatic force nulling accelerometer
08/31/1990CA2010369A1 Closed-loop capacitive accelerometer with spring constraint
08/31/1990CA2009494A1 Capacitive accelerometer with mid-plane proof mass
08/31/1990CA2009490A1 Capacitive accelerometer with hinges on top and bottom surface
08/31/1990CA2009489A1 Capacitive accelerometer with separable damping and sensitivity
08/29/1990EP0383974A1 Plate shaped sensor element as well as pressure, force or acceleration sensor provided with it
08/28/1990US4951510 Multidimensional force sensor
08/28/1990CA1273222A1 Integrated force balanced accelerometer
08/27/1990CA2010962A1 Unitary push-pull force transducer
08/27/1990CA2010609A1 Flexures and method for creating flexures in a wafer
08/27/1990CA2010607A1 Magnetically driven vibrating beam force transducer
08/27/1990CA2010242A1 Electrostaticcally driven vibrating beam force transducer
08/23/1990WO1990009298A1 Process for releasing restraining means
08/22/1990EP0263855B1 Accelerometer
08/21/1990US4950914 Collision detection system for a vehicle
08/21/1990US4949571 Acceleration detector
08/14/1990US4948929 Impulse sensor
08/14/1990US4948757 Method for fabricating three-dimensional microstructures and a high-sensitivity integrated vibration sensor using such microstructures
08/14/1990US4948171 Acceleration sensor for safety systems and/or seat belt systems in motor vehicles
08/14/1990US4947694 Vibrating force sensor
08/14/1990US4947690 Acceletometers adapted for efficient connection and disconnection
08/09/1990WO1990008962A1 Optical displacement sensor
08/08/1990EP0380736A1 Arrangement to indicate the braking condition of a vehicle
08/07/1990US4947329 Method of determining the acceleration of a turbine in an automatic transmission
08/07/1990US4946334 Working vehicle, especially a loader
08/07/1990US4945773 Force transducer etched from silicon
08/07/1990US4945765 Silicon micromachined accelerometer
08/07/1990US4945755 Acceleration detector with parallel ground paths
08/01/1990EP0379574A1 Compact crash sensing switch with air channels and diagnostic system
07/1990
07/31/1990US4944184 Asymmetric flexure for pendulous accelerometer
07/24/1990US4943010 Acceleration sensor
07/18/1990EP0377804A1 Acceleration sensor with a one-sidedly clamped cantilever
07/18/1990EP0377645A1 Process for recognizing curves and for determining the transverse acceleration in a vehicle.
07/17/1990US4941683 Vehicle seat belt tightening system
07/17/1990US4941355 Method and apparatus for the measurement of accelerations
07/17/1990US4941354 Tri-axial accelerometers
07/17/1990US4941353 On a mobile object to detect the rotatory motion
07/17/1990US4941243 Method for assembling an annular shear accelerometer
07/12/1990WO1990007718A1 Electronic device and process for operating it
07/11/1990EP0376995A1 Acceleration sensor.
07/10/1990US4939935 Pendular non-servoed tuning beam accelerometer
07/05/1990DE3844351A1 Elektronische einrichtung Electronic device
07/04/1990EP0261153B1 Acceleration pick-up
07/03/1990US4938597 Light responsive motion sensing device
07/03/1990US4938140 Deceleration sensor
07/03/1990US4938065 Acceleration detecting device
07/03/1990CA1271260A1 Dynamic system analysis in a vibrating beam accelerometer
06/1990
06/28/1990DE3843160A1 Sensor for measuring a distance or a motion
06/27/1990EP0374870A2 Acceleration sensor
06/21/1990DE3941909A1 Vehicle suspension control system - switches between hard and soft ride in dependence on detected sidewards acceleration
06/19/1990US4935883 Apparatus and method for leveling a gravity measurement device
06/19/1990US4934626 Acceleration sensing device
06/19/1990CA1270543A1 Inertia switch
06/16/1990CA2004148A1 Impact zone detection device
06/13/1990EP0373040A1 Force-frequency transducer with vibrating beams and its use in a vibrating accelerometer
06/13/1990EP0372258A2 Process and apparatus for adjusting a preselected cleaning-width of a rotating cylindrical brush
06/12/1990US4933855 Propulsion control for vehicles
06/12/1990US4933515 Accelerometer with dual-magnet sensing mass
06/12/1990US4932261 Micro-machined accelerometer with tilt compensation
06/12/1990US4932260 Crash sensing switch with suspended mass
06/12/1990US4932259 Piezoelectric physical quantity detector
06/12/1990US4932258 Stress compensated transducer
06/06/1990EP0371069A1 Process for manufacturing microsensors with integrated signal processing
06/05/1990US4930862 Fiberoptic microbend accelerometer
05/1990
05/30/1990EP0370203A1 Acceleration pick-up sensor
05/29/1990US4930043 Closed-loop capacitive accelerometer with spring constraint
05/29/1990US4930042 Capacitive accelerometer with separable damping and sensitivity
05/29/1990US4929860 Electrode configuration for vibrating beam transducers
05/23/1990EP0369352A1 Capacitance type accelerometer and method of manufacturing the same
05/23/1990EP0203998B1 Vibrating beam accelerometer
05/22/1990US4928203 Capacitive accelerometer with hinges on top and bottom surface
05/22/1990US4927172 Mechanical acceleration sensor
05/22/1990US4926690 Pendulous accelerometer and/or inclinometer
05/22/1990US4926689 Proofmass suspension assembly for accelerometers
05/16/1990EP0368802A1 Apparatus for measuring accelerations, especially components of the gravitation force when measuring angles
05/16/1990EP0368446A2 Self-calibrating accelerometer
05/16/1990EP0368434A2 Magnetically-damped, testable accelerometer
05/09/1990EP0366782A1 Electrode configuration for vibrating beam transducers
05/08/1990US4924131 Piezo-electric acceleration sensor
05/08/1990US4922756 Micro-machined accelerometer
05/08/1990US4922753 Acceleration sensor
05/01/1990US4922444 Apparatus for determining distance coordinates
05/01/1990US4922065 Temperature-compensating accelerometer
05/01/1990US4920801 Accelerometer
05/01/1990US4920800 Accelerometric sensor with plane pendulum structure
04/1990
04/25/1990EP0364957A2 Overlock prevention mechanism for acceleration sensor
04/25/1990EP0270625B1 Silicon-integrated pick-up for measuring mechanical magnitudes, and method of fabrication
04/24/1990US4920330 Mercury inertial transducer and light-emitting indicator for motor vehicles
04/24/1990US4919993 Permitting rotation around common hinge axis
04/24/1990US4918987 Laser accelerometer
04/24/1990CA1268266A1 Process for the production of piezoresistive gauge and to an accelerometer incorporating such a gauge
04/19/1990DE3834005A1 Sensor for measuring changes in the speed of a vehicle, in particular a motor vehicle, in the event of a collision (impact)
04/18/1990EP0364231A1 Pendulous assembly
04/17/1990US4918032 Method for fabricating three-dimensional microstructures and a high-sensitivity integrated vibration sensor using such microstructures
04/17/1990CA1267968A1 Ultrasonic device for measuring acceleration of moving reflective member
04/11/1990EP0363005A2 A semiconductor sensor
04/11/1990EP0363003A2 Silicon micromachined accelerometer
04/10/1990US4915411 Crash sensor with improved activation for stabbing primer