Patents
Patents for G01P 15 - Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration (18,281)
06/1993
06/06/1993CA2083617A1 Air bag device for a passenger
06/03/1993DE4139339A1 Establishing direction and intensity of impact component of motor vehicle in crash - using mass body, guided parallel to longitudinal axis of vehicle, and moved from its rest position due to inertia by impact against spring and determining position
06/02/1993EP0543901A1 Monolithic accelerometer.
06/01/1993US5216607 Method and apparatus for sensing a vehicle crash using energy and velocity as measures of crash violence
06/01/1993US5216490 Bridge electrodes for microelectromechanical devices
06/01/1993US5214961 Pressure sensor
06/01/1993CA1318516C Accelerometer
05/1993
05/27/1993WO1993009978A1 Sensor for a gas bag impact protection unit
05/27/1993DE4239582A1 Triggering inflation of vehicle safety restraining system, e.g. air-bag - comparing vehicle speed with time-dependent speed value after acceleration threshold is exceeded
05/27/1993DE4137976A1 Sensor fuer eine gassack-aufprall-schutzeinheit Sensor for a gas-bag-impact-protection unit
05/26/1993EP0543543A1 Location detecting apparatus with overspeed predicting means
05/25/1993US5212988 Plate-mode ultrasonic structure including a gel
05/25/1993US5212986 Semiconductor acceleration sensor including off axis acceleration cancellation
05/19/1993EP0542719A2 A method for establishing a value for the sensitivity of an acceleration sensor
05/19/1993EP0542436A1 Accelerometer
05/18/1993US5212640 Automotive control system employing acceleration sensor and fault detecting system therefor
05/18/1993US5212358 For automobiles
05/18/1993US5211051 Methods and apparatus for improving sensor performance
05/18/1993CA1318002C Reactive windshear warning instrument
05/13/1993DE4136510A1 Fibre-optic accelerometer detecting deflection of seismic mass - responds to misalignment of entry and exit fibres on cantilevered and fixed portions of Silicon@ chip
05/13/1993DE4135369A1 Bipolar piezoelectric accelerometer with built-in test facility - has upper and lower electrodes in halves for application of test voltage and measurement of deformation
05/12/1993EP0434679B1 Apparatus for tripping a system for the protection of occupants of a vehicle
05/11/1993US5210456 Impact sensing device
05/11/1993US5210384 Acceleration sensor with magnetic biased mass and encapsulated contact terminals and resistor
05/11/1993US5209483 Transducing and analyzing forces for instrumented sporting devices and the like
05/11/1993US5209117 Tapered cantilever beam for sensors
05/05/1993EP0540071A1 Accelerometer assembly with evaluation circuit
05/05/1993EP0539393A1 Micro-mechanical rotational-speed sensor.
05/05/1993EP0273048B1 Translational accelerometer
05/04/1993US5208484 Control system for vehicle safety device
04/1993
04/29/1993WO1993008478A1 Microwave vector displacement and acceleration transducer
04/29/1993DE4237142A1 Collision detector for vehicle equipped with airbag restraint - has manual switch preventing inflation of airbag, by inhibition of logic circuit which would otherwise respond to signal from accelerometer
04/28/1993EP0538976A1 Apparatus for sensing operating shock on a disk drive
04/28/1993EP0538899A2 Detector for force, acceleration or magnetism with respect to components in multi-dimensional directions
04/28/1993EP0538710A1 Sensor for a physical parameter, for example an acceleration
04/27/1993US5206469 Crash sensor
04/27/1993US5205171 Miniature silicon accelerometer and method
04/27/1993CA1316767C Event sequence indicator
04/22/1993DE4234969A1 Electrostatic micro-transducer designed to avoid sticking of mobile electrode - including poly:silicon@ mobile electrode plate, electrode substrate, connection which elastically supports plate and stationary electrode
04/22/1993CA2080988A1 Infant-restraining protective seat having inflatable seat belt
04/22/1993CA2080986A1 Infant-restraining protective seat having inflatable seat belt
04/21/1993EP0537415A1 Inertial sensor
04/21/1993EP0537347A1 Acceleration sensor having a self test feature
04/20/1993US5203821 Malfunction detector for acceleration sensor
04/20/1993US5203210 Accelerometer with fastener isolation
04/15/1993WO1993007463A1 Plate-mode ultrasonic structure including a gel
04/15/1993DE4133426A1 Capacitive sensor circuit providing measurement and function test - has dual mode operation with bridge measurement and separate test voltage for checking functional performance via reference capacitor
04/14/1993EP0536624A1 Arrangement of collision sensor for side collision airbag apparatus
04/14/1993EP0479883B1 Shock detector and devices demonstrating its application
04/13/1993US5202831 Method and apparatus for controlling an occupant restraint system using real time vector analysis
04/13/1993US5202281 Oxidizing silicon wafer, etching to form cantilever, depositing metal film, etching, cutting into chips
04/08/1993DE4132414A1 Acceleration sensor with integrated sensitivity monitoring - contains piezoelectric element in one or more main axes, and operation is testable by stimulating flexural beam electrically or mechanically
04/06/1993US5200896 Method for estimating longitudinal acceleration or deceleration of a vehicle body
04/01/1993WO1993006613A1 Crash sensing switch
04/01/1993WO1993006490A1 Method and device for encasing sensors adapted to sense the position or the movements of a vehicle
04/01/1993DE4232258A1 Capacitive sensor for mechanical to electrical magnitude conversion - has central planes of triple stacks in measuring sections connected to active and earthed planes respectively
04/01/1993DE4132253A1 Speed variation measurement appts. for patterned moving body, e.g. rotating disc - evaluates frequency difference derived from transversely pivotable lens movements as pattern is scanned by focused beam
04/01/1993DE4132232A1 Capacitive sensor mfr. using monocrystal wafer - sawing through tri-layer arrangement of conductive plates and wafer which are bonded, glued, welded or soldered together
04/01/1993CA2094589A1 Crash sensing switch
03/1993
03/31/1993EP0534366A1 Acceleration sensor
03/31/1993EP0394305B1 Device for measuring acceleration
03/30/1993US5198740 Sliding contact mechanical/electrical displacement transducer
03/30/1993US5197757 For a passenger restraint system
03/25/1993CA2077719A1 Safing velocity change sensor
03/23/1993US5196714 System for X-Y alignment and tracking of moving targets having angular displacement with fiber optic sensing surface
03/23/1993US5196661 Acceleration sensor
03/23/1993US5196660 Acceleration sensor
03/23/1993US5195371 Semiconductor chip transducer
03/18/1993WO1993005399A1 Drop-sensitive sensor, especially for triggering protective devices in motor vehicles
03/18/1993WO1993004898A1 Device for automatically triggering safety devices in motor vehicles
03/17/1993EP0531989A1 Side collision sensor system for side airbag apparatus
03/17/1993EP0419455B1 Apparatus and method for tripping a safety system for the protection of an occupant of a vehicle
03/16/1993US5194755 Airbag triggering system
03/16/1993US5194685 Keyboard musical instrument hammer movement detection apparatus
03/16/1993US5194402 Semiconductors and electronic circuits
03/16/1993US5193394 Transducing device for accurately transducing a physical quantity into an electric signal
03/16/1993US5193392 Piezo electric resonator differential accelerometer
03/11/1993DE4129801A1 Sensor zum selbsttaetigen ausloesen von sicherheitseinrichtungen in kraftfahrzeugen Selbsttaetigen sensor for triggering safety devices in motor vehicles
03/11/1993DE4129359A1 Laser interferometric sensor, esp. for measuring acceleration and inclination - has deformation body with flexible elements joined by coupling elements, one fixed and one free, the latter carrying tilt-invariant reflectors, employs full optical coupling
03/09/1993US5192839 Acceleration sensor
03/09/1993US5192820 Musical instrument keyboard striking force sensor
03/09/1993US5192395 Method of making a digital flexure beam accelerometer
03/09/1993US5191794 Integrated accelerometer with resilient limit stops
03/09/1993US5191783 Portable basketball rim testing device
03/04/1993DE4129218A1 Micro-mechanical acceleration sensor with air-damped seismic mass - has overload protection device with one or more symmetrically arranged shock absorbers, esp. produced by etching
03/04/1993DE4128639A1 Determining transverse acceleration limit for motor vehicle - using track rod stress measurements for calculation of input to, e.g. antilock braking system
03/02/1993US5191237 Field-effect transistor type semiconductor sensor
03/02/1993US5189914 Plate-mode ultrasonic sensor
02/1993
02/25/1993DE4127460A1 Acceleration, force or displacement sensor - measures capacitance formed by two thin metal layers on inner surfaces of plates separated by variable cavity
02/24/1993EP0528551A2 Silicon-on-silicon differential input sensors
02/24/1993EP0528230A2 Soundproofed sensor for a safety belt retractor
02/24/1993EP0486657A4 Accelerometer with flexure isolation
02/24/1993EP0341306B1 Accelerometer with isolator for common mode inputs
02/23/1993US5189311 Crash sensor
02/23/1993US5187986 Semiconductor sensor
02/23/1993US5187977 Device for recognition of driving on a grade
02/18/1993WO1993003385A1 Acceleration sensor and process for its production
02/18/1993DE4126107A1 Beschleunigungssensor und verfahren zur herstellung Acceleration sensor and methods for preparing
02/18/1993DE4126100A1 Sandwiched, micro-mechanical rotary acceleration sensor - has rotary pendulum mounted in several edge bearings on axis between clamps
02/17/1993EP0527492A2 Crash sensor