Patents
Patents for G01P 15 - Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration (18,281)
04/1990
04/05/1990WO1990003580A1 Electromagnetic damped inertia sensor
04/05/1990WO1990003579A1 Method for fabricating a mechanical part including a sensitive element of given thickness, and mechanical part thus obtained
04/05/1990WO1990003289A1 Apparatus and method for tripping a system for the protection of occupants of a vehicle
04/05/1990DE3905677A1 Sensor for automatically triggering vehicle occupant protection devices
04/04/1990EP0362090A1 Method of producing a mechanical device comprising a sensitive portion of a given thickness, and device obtained by said method
04/04/1990EP0361476A2 Deceleration sensor
04/03/1990US4914263 Magnetically-damped, testable accelerometer
04/03/1990US4912990 Magnetically driven vibrating beam force transducer
03/1990
03/29/1990DE3829204A1 Tilt meter and acceleration meter for vehicles
03/22/1990WO1990002952A1 Process for evaluating sensor output signals
03/22/1990DE3831593A1 Circuit arrangement having a differential capacitor arrangement exposed to mechanical detuning
03/21/1990EP0359595A2 Small size apparatus for measuring and recording acceleration
03/21/1990EP0359367A2 Acceleration sensor
03/13/1990US4908767 Acceleration measuring system
03/08/1990EP0344221A4 A frame assembly and dither drive for a coriolis rate sensor.
03/07/1990EP0357268A2 Multicomponent transducer
03/07/1990EP0356482A1 A sensor and transducer apparatus.
03/06/1990US4906019 Motor vehicle collision sensing device
03/06/1990US4905518 Accelerometer mounting assembly
03/06/1990US4905517 Multicomponent transducer
03/06/1990US4905507 Multiple-function motion sensor for automotive vehicle slip and attitude control
03/01/1990DE3828307A1 Beschleunigungssensor Acceleration sensor
02/1990
02/28/1990EP0355289A1 Accelerometer
02/27/1990US4905000 In an aircraft
02/22/1990WO1990001703A1 Matched pairs of force transducers
02/21/1990EP0263178A4 Accelerometer coil mounting system.
02/20/1990US4901586 Electrostatically driven dual vibrating beam force transducer
02/20/1990US4901571 Acceleration pickup
02/20/1990US4901570 Resonant-bridge two axis microaccelerometer
02/20/1990US4901569 Motion sensors
02/13/1990US4900925 Acceleration sensor pick-up with magnetic base stabilization
02/13/1990US4900919 Wide bandwidth fiber optic accelerometer
02/13/1990US4900918 Resonant fiber optic accelerometer with noise reduction using a closed loop feedback to vary pathlength
02/08/1990WO1990001169A1 Device for measuring and recording acceleration data
02/08/1990WO1989012830A3 Micro-machined accelerometer
02/07/1990EP0353257A1 Insert with integral sensor
02/06/1990US4899125 Cantilever beam transducers and methods of fabrication
02/06/1990US4898033 Acceleration sensor
02/01/1990DE3825298A1 Method and arrangement of a sensor for multidimensional movement and vibration, preferably in the case of low signal strength
02/01/1990DE3824695A1 Micromechanical acceleration sensor with capacitive signal transformation, and method for producing it
01/1990
01/25/1990WO1990000735A1 Multidimensional force sensor
01/25/1990WO1990000482A1 Compact crash sensing switch with air channels and diagnostic system
01/24/1990EP0243468B1 Signal processor for inertial measurement using coriolis force sensing accelerometer arrangements
01/23/1990US4896268 Apparatus and method for processing the output signals of a coriolis rate sensor
01/23/1990US4895024 Ionically conductive accelerometer
01/17/1990EP0351038A1 Improved accelerometer and method of manufacture
01/16/1990US4893930 Multiple axis, fiber optic interferometric seismic sensor
01/16/1990US4893509 Method and product for fabricating a resonant-bridge microaccelerometer
01/11/1990WO1990000254A1 Stress compensated transducer
01/10/1990EP0350153A2 Piezoelectric physical quantity detector
01/10/1990EP0349730A2 Acceleration sensor for vehicles
01/10/1990EP0242397B1 Vibrating beam accelerometer with velocity change output
01/10/1990CN1038701A Wide bandwidth fiber optic accelerometer
01/09/1990US4891985 Force sensor with attached mass
01/09/1990US4891984 Acceleration detecting apparatus formed by semiconductor
01/09/1990US4891983 Inductively coupled force balance instrument
01/09/1990US4891982 Temperature compensation of a steady-state accelerometer
01/02/1990US4891255 Etching; frame and cantilever beam
12/1989
12/28/1989WO1989012830A2 Micro-machined accelerometer
12/21/1989DE3820197A1 Packaging container with air bags
12/20/1989EP0347034A2 Improved sensor
12/19/1989US4887467 Temperature-compensating circuit for accelerometers
12/14/1989WO1989011986A1 Apparatus and method for tripping a safety system for the protection of an occupant of a vehicle
12/13/1989EP0345722A2 Acceleration detector
12/13/1989EP0345655A2 Safety circuit for an electric hand tool
12/07/1989DE3842434A1 Method for producing comparison variables for the behaviour of different tennis rackets
12/07/1989DE3817634A1 Method for measuring acceleration
12/06/1989EP0345181A1 Process and appliance for detecting and recognizing impact by measuring the impedance variation
12/06/1989EP0344221A1 A frame assembly and dither drive for a coriolis rate sensor
12/05/1989US4884650 Slip detecting system for a four-wheel drive motor vehicle
11/1989
11/30/1989WO1989011737A1 Electrode configuration for vibrating beam transducers
11/30/1989WO1989011666A1 Apparatus and method for leveling a gravity measurement device
11/30/1989WO1989011658A1 Sensor for measuring a motional parameter, in particular crash sensor for a motor vehicle
11/29/1989EP0343240A1 Synchronous quarter cycle demodulation for an angular rate and linear acceleration sensor based on the Coriolis effect
11/28/1989US4884250 Accelerometer for blast monitoring
11/28/1989US4884206 Process and processing circuit for the analog output signal of a sensor
11/28/1989US4883271 Sports impact measuring apparatus
11/28/1989US4882933 Accelerometer with integral bidirectional shock protection and controllable viscous damping
11/23/1989EP0342230A1 Angular rate sensor having a single dither axis.
11/23/1989DE3816589A1 Device for triggering a passive safety device
11/23/1989DE3815938A1 Acceleration sensor for vehicles
11/21/1989US4881408 Low profile accelerometer
11/16/1989WO1989011104A1 Acceleration sensor
11/15/1989EP0341464A2 Acceleration- or deceleration sensor
11/15/1989EP0341306A1 Accelerometer with isolator for common mode inputs
11/14/1989US4879914 Unitary push-pull force transducer
11/14/1989US4879904 Ionic conductivity accelerometer
11/09/1989DE3814717A1 Apparatus for the detection of vibrations
11/09/1989DE3814054A1 Sensor responding to the action of a force
11/07/1989US4879672 Method and apparatus for testing runout velocity and acceleration on a surface
11/02/1989WO1989010568A1 Transducer
11/02/1989WO1989010567A1 Accelerometer
10/1989
10/31/1989US4877927 Extended dwell shock sensing device
10/26/1989DE3912027A1 Position-independent acceleration sensor
10/25/1989EP0338688A1 Accelerometer
10/25/1989EP0338506A2 System for monitoring vehicular slip angle
10/24/1989US4876650 Anti-skid automotive brake control system including wheel deceleration calculation with shorter lag-time and method for performing calculation
10/24/1989US4876447 Fiber optic accelerometer using closed feedback relation to vary pathlength
10/17/1989US4874942 Rotation, acceleration, and gravity sensors using quantum-mechanical matter-wave interferometry with neutral atoms and molecules
10/17/1989US4873871 Mechanical field effect transistor sensor