| Patents for G01P 15 - Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration (18,281) |
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| 03/03/1981 | US4254354 Interactive piezoelectric knock sensor |
| 03/03/1981 | CA1096653A1 Servoed accelerometer utilizing rare earth magnets |
| 02/17/1981 | US4250757 Movable element with position sensing means for transducers |
| 02/17/1981 | US4250746 Aircraft instrument |
| 02/10/1981 | US4249420 Bearing preload assembly for use in an oil filled accelerometer |
| 02/10/1981 | CA1095283A1 Electrostatic accelerometer |
| 01/20/1981 | US4245510 Portable accelerometer |
| 01/13/1981 | US4244225 Mechanical resonator arrangements |
| 01/07/1981 | EP0021898A1 Piezoelectric acceleration sensor with transducer element of polymeric material |
| 01/07/1981 | EP0021554A2 Method and device for measurement of the rate of change of frequency of a pulse train |
| 01/06/1981 | US4242910 Acceleration monitoring system |
| 01/06/1981 | CA1093191A1 Air cushion actuation and monitoring circuit |
| 01/06/1981 | CA1093164A1 Biasing and scaling circuit for transducers |
| 12/23/1980 | US4240296 Measurement of torsional acceleration of a rotating body |
| 12/16/1980 | US4239963 Fiber optic accelerometer |
| 12/16/1980 | US4239014 Suspended droplet shock detector |
| 12/09/1980 | US4237736 Impact gauge |
| 11/26/1980 | EP0019511A1 Process for compensating temperature variations in surface-wave devices and pressure sensor for carrying out this process |
| 11/25/1980 | US4235316 Sensor for braking systems |
| 11/25/1980 | CA1090423A1 Accelerometer |
| 11/18/1980 | US4233847 Passive laser accelerometer |
| 11/18/1980 | CA1089948A1 Digital level indicator |
| 11/12/1980 | EP0018960A2 Device for eliminating the vehicle wheel locking risk at braking |
| 11/12/1980 | EP0018959A1 Condition indicating device for wheeled shock absorbers |
| 11/11/1980 | US4232553 Angular acceleration sensing apparatus |
| 11/04/1980 | US4232372 Positive and negative acceleration responsive means and system |
| 10/29/1980 | EP0017755A1 Device for registering the driving conditions of a motor vehicle, especially the braking condition |
| 10/15/1980 | EP0017554A1 Accelerometer using elastic waves |
| 10/14/1980 | CA1087725A1 Piezoelectric acoustic emission instrumentation |
| 10/14/1980 | CA1087706A1 Locking sensor for seat belt retractor |
| 10/07/1980 | US4226120 Analog accelerometer |
| 10/07/1980 | CA1087036A1 Vehicle deceleration sensing device |
| 09/30/1980 | US4225019 Braking system sensor and method |
| 09/23/1980 | CA1086405A1 Rolling band velocity sensor |
| 09/18/1980 | WO1980001950A1 Two degree of freedom gyro having an axial gap permanent magnet motor |
| 09/18/1980 | WO1980001877A1 Locking means for safety belts |
| 09/16/1980 | US4223319 Passive multielement shock recorder |
| 09/16/1980 | US4222272 Processor for an inertial measurement unit |
| 09/16/1980 | US4222271 Digital fluidic output force balance accelerometer |
| 09/16/1980 | CA1085645A1 Portable accelerometer |
| 09/09/1980 | US4221131 Vibrating beam accelerometer |
| 09/03/1980 | EP0014744A1 Method of making a piezoelectric transducer |
| 08/20/1980 | EP0014656A1 Piezoelectric accelerometer |
| 07/29/1980 | US4214485 Electro-mechanical transducer |
| 07/22/1980 | US4213343 Kinematic inertial sensor |
| 07/15/1980 | US4213116 Vehicle turn detection apparatus |
| 07/08/1980 | US4211951 Shear type prestressed piezoelectric force transducer |
| 07/01/1980 | US4210789 Impact detecting switch |
| 06/25/1980 | EP0012644A1 Surface acoustic wave accelerometer |
| 06/25/1980 | EP0012325A2 Magnetoresistive transducer |
| 06/24/1980 | CA1079998A1 Accellerometer with position indicator |
| 06/17/1980 | US4207770 Change of direction sensing mechanism |
| 06/17/1980 | US4207769 Change of angular acceleration sensor |
| 06/10/1980 | CA1079209A1 Rotational rate of change sensor |
| 06/03/1980 | USRE30298 Impact sensing detector |
| 06/03/1980 | US4206400 Accelerometer |
| 05/28/1980 | EP0011087A1 Alarm device, particularly for automotive vehicles |
| 05/27/1980 | CA1078211A1 Servoed linear accelerometer |
| 05/27/1980 | CA1078210A1 Servoed linear accelerometer |
| 05/06/1980 | US4202034 Adaptive controller for ocean characteristic measurement system |
| 05/06/1980 | US4201536 Vibration responsive mechanism |
| 05/06/1980 | CA1076841A1 Cycle to cycle engine roughness sensor |
| 04/29/1980 | US4199990 Elastic surface wave accelerometer |
| 04/22/1980 | US4198990 Mouth mounted accelerometer pack |
| 04/22/1980 | US4198864 Velocity change sensor and recorder |
| 04/15/1980 | US4197737 Multiple sensing device and sensing devices therefor |
| 04/08/1980 | US4197478 Electronically tunable resonant accelerometer |
| 04/01/1980 | US4195528 Fault detection device |
| 04/01/1980 | CA1074759A1 Friction dampened pendulum sensor |
| 03/18/1980 | US4193642 Skid control system |
| 03/11/1980 | US4192189 Rate sensor |
| 03/11/1980 | US4192076 Device for holding a surveyor's instrument |
| 03/04/1980 | US4192000 Electronic calorie counter |
| 03/04/1980 | US4191869 Vibration detector device |
| 02/19/1980 | US4189655 Lightweight piezoelectric accelerometer |
| 02/19/1980 | US4189637 Device for detecting angular acceleration of wheels |
| 02/19/1980 | US4188829 Flexure pivot accelerometer |
| 02/19/1980 | US4188816 Apparatus and method for performing inertial measurements using translational acceleration transducers and for calibrating translational acceleration transducers |
| 02/07/1980 | WO1980000206A1 Incremental integrator and servo captors resulting therefrom |
| 02/06/1980 | EP0007795A1 A method of and apparatus for monitoring the operation of a vehicle |
| 02/06/1980 | EP0007583A1 Change of angular acceleration sensor |
| 01/29/1980 | US4186324 Linear accelerometer with piezoelectric suspension |
| 01/22/1980 | US4185235 Servo amplifier providing current torque and dynamic parameters |
| 01/09/1980 | EP0006808A1 Improvement in a precision integrator and its use in servosensors with incremental outputs |
| 01/09/1980 | EP0006636A1 Apparatus for the measurement of accelerations of a vibrating body |
| 01/08/1980 | US4182187 Force balancing assembly for transducers |
| 12/12/1979 | EP0005798A1 Stabilized fibre-optical measuring apparatus |
| 12/11/1979 | US4178525 Two wire piezoelectric acceleration transmitter |
| 12/11/1979 | US4177751 Method of forming a device for showing receipt of predetermined shock |
| 12/04/1979 | CA1067603A1 Compensated toroidal accelerometer |
| 12/04/1979 | CA1067602A1 Temperature compensated toroidal accelerometer |
| 10/30/1979 | CA1065443A1 Frequency quadrupler for anti-skid wheel speed sensor |
| 10/23/1979 | CA1065034A1 Plunger-release inertia-dependent switching devices |
| 10/16/1979 | US4170904 Single-axis disturbance compensation system |
| 10/02/1979 | US4169384 Linear accelerometer mechanism |
| 10/02/1979 | US4169370 Method for evaluating surges of motor vehicles |
| 09/04/1979 | US4166967 Piezoelectric resonator with acoustic reflectors |
| 08/28/1979 | CA1061132A1 Apparatus for performing inertial measurements using translational acceleration transducers and for calibrating translational acceleration transducers |
| 08/21/1979 | US4165483 Capacitive pick-off circuit |
| 08/14/1979 | US4164263 Vibration rejecting impact sensor, particularly to trigger a vehicular collision safety system |