| Patents for G01P 15 - Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration (18,281) |
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| 05/08/1991 | EP0341306A4 Accelerometer with isolator for common mode inputs |
| 05/07/1991 | USH911 Fiber optic link for detecting mechanical vibration in the presence of an electromagnetic field |
| 05/07/1991 | US5013909 Opto-electrical acceleration sensor having a mechanical tilting element |
| 05/07/1991 | CA1283970C Vibrating beam force transducer with single isolator spring |
| 05/04/1991 | WO1991006685A1 A free machining, non-magnetic, austenitic stainless steel alloy and a magnetically biased device incorporating the same |
| 05/02/1991 | WO1991006013A1 Three-component piezoelectric accelerometer |
| 05/02/1991 | WO1991006012A1 Piezoelectric accelerometer |
| 05/02/1991 | EP0424754A1 Sensor for physical parameters |
| 05/02/1991 | EP0424735A1 Transmitter for measuring mechanical forces |
| 05/02/1991 | DE4032297A1 Acceleration sensing switch for operating airbag - has mercury element displaced by acceleration force to bridge contacts |
| 05/02/1991 | DE3933255A1 Direction-stabilised binocular telescope - has prism pairs between each ocular and lens with rotation drives controlled by acceleration sensors detecting body movements |
| 05/01/1991 | CN2076240U Acceleration sensor using double-island and five-beam structure single silicon chip |
| 04/30/1991 | US5012316 Multiaxial transducer interconnection apparatus |
| 04/30/1991 | US5012050 Dual pole switch assembly for an inertia actuated switch |
| 04/30/1991 | US5011182 Velocity change sensor with contact retainer |
| 04/26/1991 | WO1991006869A1 A magnetohydrodynamic angular rate sensor for measuring large angular rates |
| 04/24/1991 | EP0424149A1 Capacitance accelerometer |
| 04/24/1991 | EP0423622A1 Detector having self-calibration function |
| 04/23/1991 | US5009111 Differential force balance apparatus |
| 04/23/1991 | US5009106 Accelerometer with improved shock resistance |
| 04/19/1991 | CA2027853A1 Sports implement swing analyzer |
| 04/17/1991 | EP0422819A1 Rolamite sensor |
| 04/17/1991 | EP0379574A4 Compact crash sensing switch with air channels and diagnostic system |
| 04/16/1991 | US5008774 Solid-state silicon |
| 04/16/1991 | US5007661 Safety apparatus |
| 04/16/1991 | US5007290 Method and apparatus for producing preload of an accelerometer assembly |
| 04/11/1991 | DE4027046A1 Acceleration sensor functional test and/or calibration - using electromagnet with soft iron pot core mounted on sensor housing |
| 04/10/1991 | EP0421953A1 A CMOS integrated interface circuit for processing the signal supplied by a capacitive sensor, particularly a piezoelectric accelerometric sensor |
| 04/10/1991 | EP0421401A1 Mechanical/electrical displacement transducer |
| 04/10/1991 | EP0420963A1 Asymmetric flexure for pendulous accelerometer |
| 04/10/1991 | EP0272316A4 Mounting system for precision transducer |
| 04/10/1991 | EP0271574A4 Accelerometer with floating beam temperature compensation |
| 04/09/1991 | US5006487 Doped silicon wafer; stable fusion bonding |
| 04/09/1991 | US5005861 Velocity change sensor with double pole sensor |
| 04/09/1991 | US5005414 Acceleration pickup |
| 04/09/1991 | US5005413 Accelerometer with coplanar push-pull force transducers |
| 04/09/1991 | US5005412 Acceleration sensor |
| 04/07/1991 | WO1991005266A1 Impact sensor |
| 04/07/1991 | CA2039145A1 Impact sensor |
| 04/07/1991 | CA2026921A1 Velocity change sensor with adjustment screw |
| 04/03/1991 | EP0420070A1 Malfunction detector for acceleration sensor |
| 04/03/1991 | EP0419596A1 Accelerometer with coplanar push-pull force transducers. |
| 04/03/1991 | EP0419455A1 Apparatus and method for tripping a safety system for the protection of an occupant of a vehicle. |
| 04/03/1991 | EP0273048A4 Translational accelerometer and accelerometer assembly method |
| 04/03/1991 | EP0270664A4 Temperature compensation of an accelerometer |
| 04/03/1991 | EP0265494A4 Accelerometer proof mass interface |
| 04/02/1991 | US5003824 Vibration/acceleration sensor |
| 03/27/1991 | EP0419173A1 Accelerometers |
| 03/27/1991 | EP0419041A1 Speed/position sensor based upon magnetoresistive effect |
| 03/27/1991 | EP0261152B1 Device for automatic release of passenger protection devices in the event of an accident |
| 03/26/1991 | US5003190 Acceleration pickup, especially for release of occupant protecting devices in the event of accident |
| 03/22/1991 | CA2025805A1 Accelerometers |
| 03/20/1991 | EP0417670A2 Air bag device |
| 03/19/1991 | US5001456 Time and distance measurement apparatus |
| 03/19/1991 | US5000817 Batch method of making miniature structures assembled in wafer form |
| 03/19/1991 | US5000030 Method and apparatus for measuring dynamic response characteristics of shock accelerometer |
| 03/13/1991 | EP0415943A1 Sensor for measuring a motional parameter, in particular crash sensor for a motor vehicle |
| 03/13/1991 | EP0242396B1 Synchronous fm digital detector |
| 03/12/1991 | US4999735 Differential capacitive transducer and method of making |
| 03/12/1991 | US4998684 Acceleration sensor for a retractable seat belt |
| 03/12/1991 | CA1281203C Vibratory digital integrating accelerometer |
| 03/06/1991 | EP0415906A1 Method and device for the determination of parameters of motion |
| 03/06/1991 | EP0415627A2 Acceleration sensor and acceleration sensing system |
| 03/06/1991 | EP0415251A1 Circuit for processing signals supplied by two sensors, which measure differentially a physical quantity |
| 03/05/1991 | US4996878 Transducer element for measuring angular and linear acceleration |
| 02/27/1991 | EP0414588A1 Acceleration sensor with bending mode vibration beam carrier |
| 02/27/1991 | EP0414413A2 Pendulum-type accelerometer for electrically-actuated braking systems |
| 02/27/1991 | EP0413910A1 Method for assembling an annular shear accelerometer |
| 02/26/1991 | US4996545 Apparatus for correcting blurred image of camera using angular acceleration sensor and angular acceleration sensor |
| 02/21/1991 | DE4022697A1 Pressure or acceleration sensor esp. for vehicle engine control - has simple detector with signal processing, contg. sensor characteristic adjustment mechanism |
| 02/19/1991 | US4994972 Apparatus and method employing multiple crash evaluation algorithms for actuating a restraint system in a passenger vehicle |
| 02/19/1991 | US4993264 Passive acoustics process to monitor fluidized bed level |
| 02/13/1991 | EP0412140A1 Electrostatically driven dual vibrating beam force transducer. |
| 02/13/1991 | EP0412106A1 Accelerometer |
| 02/12/1991 | US4992656 for measuring the spatial gradient |
| 02/12/1991 | US4991682 Acceleration sensor |
| 02/12/1991 | US4991438 Magnetic fluid rebalance accelerometers |
| 02/12/1991 | CA1280191C Method of estimating vehicle speed |
| 02/11/1991 | WO1991002444A1 Atomic interferometry gyroscopes, accelerometers, and gravity gradiometers |
| 02/07/1991 | DE4024339A1 Acceleration detector sensing IC engine knocking - has piezoelectric element, inertial wt. and output terminal stacked in cylindrical transducer element |
| 02/07/1991 | DE3925579A1 Circuit for differential capacitor contg. two partial capacitances - contains three controlled switches and sample-and-hold circuit |
| 02/06/1991 | EP0411117A1 Unitary push-pull force transducer |
| 02/06/1991 | EP0411081A1 Flexures and method for creating flexures in a wafer |
| 02/06/1991 | EP0411077A1 Magnetically driven vibrating beam force transducers. |
| 02/05/1991 | US4990986 Semiconductor acceleration sensor |
| 02/05/1991 | US4990897 Method and apparatus for detecting and recognizing impacts by measuring impedance variation |
| 01/31/1991 | DE3923723A1 Display device for drop and shock-sensitive equipment - has magnet on flexible spring activating electrical contact when displaced from rest position |
| 01/29/1991 | WO1991001681A1 Transducer with conductive polymer bridge |
| 01/29/1991 | US4989165 Apparatus for calculating vehicle-wheel revolution values |
| 01/29/1991 | US4987783 Sensor and transducer apparatus |
| 01/29/1991 | US4987781 Accelerometer chip |
| 01/29/1991 | US4987780 Integrated accelerometer assembly |
| 01/29/1991 | US4987779 Pulse-driven accelerometer arrangement |
| 01/29/1991 | CA2063266A1 Transducer with conductive polymer bridge |
| 01/24/1991 | WO1991001010A1 Micromechanical embodiment of a capacitive acceleration sensor |
| 01/24/1991 | WO1991001009A1 Monolithic accelerometer with flexurally mounted force transducers |
| 01/23/1991 | EP0408825A2 Position detection system for a suspended particle accelerometer |
| 01/22/1991 | US4986318 Filling valve for counterpressure filling of cans |
| 01/17/1991 | DE4001704A1 Acceleration sensor with adjustable triggering threshold - has sliding inertial body restrained by roller body controlling optical path |
| 01/17/1991 | DE3922476A1 Kapazitiver beschleunigungssensor in mikromechanischer ausfuehrung Capacitive acceleration sensor in micro-mechanical design |