| Patents for G01P 7 - Measuring speed by integrating acceleration (432) |
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| 08/26/1998 | EP0859942A1 Device for measuring at least one physical parameter relating to a propelled game ball |
| 08/11/1998 | US5792956 Signal conditioning circuit apparatus and method |
| 06/30/1998 | US5774832 For mounting to a vehicle |
| 05/28/1998 | DE19651124C1 Automobile lateral pitching detection arrangement |
| 05/20/1998 | EP0842436A2 Movement measuring device, electronic game machine including movement measuring device, and method of playing game machine |
| 04/29/1998 | EP0838660A1 Velocity calculating apparatus |
| 04/07/1998 | US5736970 Accelerometer method and apparatus for integral display and control functions |
| 04/02/1998 | DE19710451A1 Vehicle collision detection device for activating passenger safety device |
| 04/01/1998 | CN1177549A Device for detecting collision of vehicle and device for judging starting of passenger protection device |
| 02/17/1998 | US5719770 Vehicle speed calculation system for four wheel drive vehicle and the method thereof |
| 01/29/1998 | WO1997046888A3 Movement measuring device, electronic game machine including movement measuring device, and method of playing game machine |
| 12/30/1997 | US5702124 Method and apparatus for sensing a vehicle crash using a displacement velocity metric |
| 12/11/1997 | WO1997046888A2 Movement measuring device, electronic game machine including movement measuring device, and method of playing game machine |
| 11/18/1997 | US5688183 Velocity monitoring system for golf clubs |
| 10/30/1997 | WO1997039919A1 Method and apparatus for sensing a vehicle crash using a displacement-velocity metric |
| 08/26/1997 | CA2072139C Method for determining the rotational speed of a drill bit |
| 07/24/1997 | DE19601444A1 Distance impulse count method of tacho-transmitter using acceleration transmitter data in vehicle |
| 06/26/1997 | DE19548759A1 Equipment for measurement of wheel load, accelerating force and speed of vehicle wheel |
| 05/15/1997 | WO1997017590A1 Device for measuring at least one physical parameter relating to a propelled game ball |
| 04/09/1997 | EP0720728A4 Two-wire constant current powered transducer |
| 10/10/1996 | WO1996031783A1 Method for measuring the yaw velocity of a vehicle |
| 08/01/1996 | DE19502798A1 Vehicle movement detecting circuit e.g. for speed measurement |
| 07/10/1996 | EP0720728A1 Two-wire constant current powered transducer |
| 06/04/1996 | US5522260 Method and apparatus for determining a depth correction for a logging tool in a well |
| 05/14/1996 | US5517183 Method for producing an error control signal |
| 04/25/1996 | DE19537791A1 Determining motor vehicle speed by measuring individual wheel speeds |
| 04/02/1996 | US5504379 Method and apparatus for sensing a vehicle crash using a velocity displacement metric |
| 03/27/1996 | EP0703431A2 Movement processes acquisition system |
| 02/27/1996 | US5493909 Method of and an apparatus for detecting control information |
| 02/20/1996 | US5492010 Position identification device using an accelerometer |
| 02/01/1996 | DE19527531A1 System und Verfahren zum Ermitteln der Geschwindigkeit eines allradgetriebenen Fahrzeugs System and method for determining the speed of a four-wheel drive vehicle |
| 12/26/1995 | US5477735 Two-wire constant current powered transducer |
| 10/17/1995 | US5459460 Collision warning system |
| 10/05/1995 | DE4411029A1 Rail vehicle speed measuring device |
| 06/22/1995 | DE4342868A1 Digital measurement signal gradient determining appts. |
| 05/23/1995 | US5418442 Method of and an apparatus for detecting an angular velocity of a motor and for controlling the same |
| 05/17/1995 | EP0458796B2 Process for releasing restraining means |
| 04/25/1995 | US5410482 Apparatus for estimating vibration input to a suspension device |
| 03/30/1995 | WO1995005584A3 Two-wire constant current powered transducer |
| 03/15/1995 | EP0497872B1 A magnetohydrodynamic angular rate sensor for measuring large angular rates |
| 03/09/1995 | DE4330269A1 Method and device for measuring the angle of rotation of the pelvis in a dummy |
| 02/23/1995 | WO1995005584A2 Two-wire constant current powered transducer |
| 02/15/1995 | EP0638877A2 Data acquisition system for vehicles |
| 01/17/1995 | US5382049 Air bag controlling apparatus |
| 12/14/1994 | EP0498876B1 Method for determining the rotational speed of a drill bit |
| 11/01/1994 | US5359888 Air turbulence and wind shear sensor |
| 10/26/1994 | EP0621482A1 Rotation sensor using linear accelerometers |
| 10/23/1994 | CA2121380A1 Rotation sensor using linear accelerometers |
| 09/20/1994 | CA1332079C Hybrid analog digital control method and apparatus for estimation of absolute velocity in active suspension systems |
| 06/16/1994 | DE4323314A1 Vehicle mounted collision warning system - has vehicle speed and obstruction distance sensors and derives relationship between braking power and obstruction speed |
| 03/02/1994 | EP0584894A1 Method and apparatus for determining the impact speed of a railway wagon against an obstacle |
| 02/03/1994 | DE4222346A1 Noise reduction circuit for path sensor differentiator in vehicle speed measuring system - consists of hysteresis circuit comprising buffer amplifier and positive feedback path of capacitor and parallel connected second operational amplifier and antiparallel clamping diodes, with ratio of resistors determining hysteresis voltage |
| 01/13/1994 | DE4222373A1 Distance and speed meter for sportsmen - derives speed and distance by integration of measured acceleration using sensor without external source |
| 01/11/1994 | US5277061 Method for determining the rotation speed of a drill bit |
| 10/28/1993 | DE4213500A1 Vertical sensor for stabilised platforms - uses Schuler tuning of system contg. outer frame, angle sensor, amplifier and torque generator. |
| 09/21/1993 | US5247466 Angular rate detection apparatus, acceleration detection apparatus and movement control apparatus, of moving body |
| 09/16/1993 | DE4303774A1 Control unit for motor vehicle safety airbag - corrects sensor sensitivity for hysteresis effect using comparison of deceleration signal with threshold and time evaluation |
| 04/13/1993 | US5202831 Method and apparatus for controlling an occupant restraint system using real time vector analysis |
| 01/05/1993 | US5176431 Vehicle deceleration prediction based on vehicle dive |
| 12/15/1992 | US5172048 Device for measuring the number of revolutions of the shaft of a permanent magnet electric motor |
| 12/09/1992 | EP0517082A2 Method and device for non-falsifiable detection of the rotational speed of a vehicle wheel |
| 11/11/1992 | EP0458796B1 Process for releasing restraining means |
| 10/06/1992 | US5152171 Induction velocity meter |
| 09/08/1992 | US5146417 Signal processing apparatus and method |
| 08/19/1992 | EP0498876A1 Method for determining the rotational speed of a drill bit. |
| 08/13/1992 | DE4142058A1 Control information detection for rotational drive unit - involves deriving angular speed from sum of accelerations at points on rotating part surface symmetrical w.r.t. rotation centre |
| 07/07/1992 | US5128610 Current-to-frequency converter |
| 03/31/1992 | US5099694 Vibration detecting apparatus |
| 03/05/1992 | WO1992004527A1 Method for determining the rotational speed of a drill bit |
| 12/04/1991 | EP0458796A1 Process for releasing restraining means. |
| 11/26/1991 | US5067351 Magnetohydrodynamic angular rate sensor for measuring large angular rates |
| 06/26/1991 | EP0433733A1 Device for measuring the number of revolutions of the shaft of a permanent magnet electric motor |
| 05/14/1991 | US5014810 Method for controlling the release of passenger restraint systems |
| 04/26/1991 | WO1991006869A1 A magnetohydrodynamic angular rate sensor for measuring large angular rates |
| 04/17/1991 | EP0256124B1 Wind shear detection and alerting system |
| 12/18/1990 | US4978956 Apparatus for digital conversion and processing of analog inertial velocity or acceleration signals |
| 09/26/1990 | EP0389156A2 Current-to-frequency converter |
| 09/26/1990 | EP0389155A2 Signal processing apparatus and method |
| 09/18/1990 | US4958125 Method and apparatus for determining characteristics of the movement of a rotating drill string including rotation speed and lateral shocks |
| 08/28/1990 | US4953089 Hybrid analog digital control method and apparatus for estimation of absolute velocity in active suspension systems |
| 08/23/1990 | WO1990009298A1 Process for releasing restraining means |
| 07/11/1990 | EP0377235A1 Method and apparatus for determining a characteristic of the movement of a drill string |
| 06/03/1990 | CA2003785A1 Method and apparatus for determining a characteristic of the movement of a drill string |
| 05/01/1990 | US4922444 Apparatus for determining distance coordinates |
| 01/10/1990 | EP0242397B1 Vibrating beam accelerometer with velocity change output |
| 12/14/1989 | WO1989012234A1 Process and device for speed measurement and location of railway rolling stock |
| 11/28/1989 | US4883271 Sports impact measuring apparatus |
| 11/15/1989 | EP0341883A2 Hybrid analog digital control method and apparatus for estimation of absolute velocity in active suspension system |
| 08/23/1989 | EP0328730A2 System for the inertial measurement of speed or acceleration, and signal processing circuitry therefor |
| 05/09/1989 | US4829441 Method for determining the air speed of a helicopter, system for carrying on this method and method for calibrating such air speed determining method and system |
| 04/25/1989 | US4824107 For indicating velocity |
| 01/03/1989 | US4794793 Method and apparatus for measuring the airspeed of a helicopter at low speed |
| 09/28/1988 | EP0283626A1 Method for the determination of the air speed of a helicopter, system for applying it, calibration method for this method and system for the determination of the air speed |
| 08/31/1988 | EP0280599A1 Method and apparatus for measuring the air speed of a helicopter flying at a low speed |
| 08/02/1988 | US4761005 Sports scoring device including a flexible prezoelectric layer resilient layer |
| 06/21/1988 | US4752053 Railway vehicle motion detector |
| 05/11/1988 | DE3718298C1 Device for determining the speed of a ball |
| 03/22/1988 | EP0242397A4 Vibrating beam accelerometer with velocity change output. |
| 02/16/1988 | US4725811 Wind shear detection and alerting system |
| 10/28/1987 | EP0242397A1 Vibrating beam accelerometer with velocity change output. |