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Class Information
Number: 33/316
Name: Geometrical instruments > Indicator of direction of force traversing natural media > Gyromagnetic compass
Description: Device wherein a magnetic field sensitive device (compass, flux valve) is utilized to monitor a directional gyroscope by orienting the gyroscope in the direction of the magnetic meridian.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7412775 |
Gyroscope north seeker system and method |
Aug. 19, 2008 |
| 7337549 |
Input device for using geomagnetic sensor and a method thereof for generating input signal |
Mar. 4, 2008 |
| 7248983 |
Electronic compass and method of controlling an electronic compass using independent calibration and compass heading modules |
Jul. 24, 2007 |
| 7086164 |
Method and device for measuring directional, and computer program |
Aug. 8, 2006 |
| 6915584 |
Compass with electromagnetic half-shell transformer energy transmission and optoelectronic data signal transmission |
Jul. 12, 2005 |
| 6842991 |
Gyro aided magnetic compass |
Jan. 18, 2005 |
| 6425187 |
Gyro-sensor |
Jul. 30, 2002 |
| 5771596 |
Container for liquids including a level control and a gyro compass |
Jun. 30, 1998 |
| 5408751 |
High resolution gyro system for precise angular measurement |
Apr. 25, 1995 |
| 5349757 |
Tape-suspended meridian gyro |
Sep. 27, 1994 |
| 4977679 |
Azimuth signal generator |
Dec. 18, 1990 |
| 4811233 |
Cost-optimal state feedback controller for all-attitude gimbal system |
Mar. 7, 1989 |
| 4709486 |
Method of determining the orientation of a surveying instrument in a borehole |
Dec. 1, 1987 |
| 4603483 |
Thermal gradient compensator for fluid rotor gyroscopic apparatus |
Aug. 5, 1986 |
| 4599803 |
Heading indicator and method of using |
Jul. 15, 1986 |
| 4379365 |
Gyrocompass |
Apr. 12, 1983 |
| 4224573 |
Electric circuit device and pendulum unit incorporating such devices |
Sep. 23, 1980 |
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