Patents for G01P 7 - Measuring speed by integrating acceleration (432) |
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09/01/1987 | US4691152 Data disk drive velocity estimator |
08/27/1987 | WO1987004991A1 Wind shear detection and alerting system |
05/20/1987 | EP0222640A2 Impact measuring system and method |
04/23/1987 | WO1987002467A1 Vibrating beam accelerometer with velocity change output |
03/10/1987 | US4648269 Speed measuring device for a helicopter |
02/24/1987 | CA1218456A1 Angular rate sensor utilizing two vibrating accelerometers secured to a parallelogram linkage |
12/16/1986 | CA1215245A1 Angular rate sensor utilizing parallel vibrating accelerometers |
12/16/1986 | CA1215244A1 Two axis angular rate and specific force sensor utilizing vibrating accelerometers |
10/28/1986 | CA1213370A1 Digital processor for use with an accelerometer based angular rate sensor |
02/12/1986 | EP0171306A1 Measuring device for helicopter speed |
07/03/1985 | EP0146801A2 Method and apparatus for the measurement of accelarations, speeds and angular speeds |
06/11/1985 | US4522062 Digital processor for use with an accelerometer based angular rate sensor |
04/23/1985 | US4512192 Two axis angular rate and specific force sensor utilizing vibrating accelerometers |
04/16/1985 | US4510802 Angular rate sensor utilizing two vibrating accelerometers secured to a parallelogram linkage |
01/15/1985 | US4493218 Transducer system employing a spring with linear characteristics |
02/14/1984 | US4430894 Adjustable fluid resistors for use in an integrating accelerometer |
03/16/1983 | EP0074299A1 Method of measuring the speed of a rail vehicle and apparatus for its application |
12/28/1982 | US4365512 Null circuit for use in an angular rate instrument |
03/31/1981 | US4258568 Water current meter |
09/02/1980 | US4220044 Wave measuring buoy |
12/18/1979 | US4179739 Memory controlled process for railraod traffic management |
04/17/1979 | CA1052592A1 Integrating angular accelerometer |
03/27/1979 | CA1051226A1 Apparatus for measuring and preventing the slip of locomotive wheels |
11/14/1978 | CA1042231A1 G-load measuring and indicator apparatus |
08/29/1978 | US4109534 Apparatus for monitoring acceleration |
06/20/1978 | US4095547 Acceleration measuring device |
04/18/1978 | US4085363 Rate measuring system |
01/03/1978 | US4065975 Apparatus for measuring the slip of locomotive wheels and preventing sliding thereof |
05/17/1977 | US4023409 Device for measurement of the speed of a helicopter |
01/11/1977 | US4002077 Integrating angular accelerometer |
12/21/1976 | US3998104 Fluid pressure pulsed rebalanced accelerometer |
04/06/1976 | US3948107 Velocity transducer |