| |
 |
|
Class Information
Number: 33/362
Name: Geometrical instruments > Indicator of direction of force traversing natural media > Magnetic field responsive > Electro-magnet or inductor (e.g., flux valve, etc.) > Inductor rotated or vibrated
Description: Device including an inductor, i.e., armature and means to rotate it, or to vibrate it, through the magnetic field under investigation.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 6466871 |
Method for calibrating and verifying the attitude of a compass |
Oct. 15, 2002 |
| 5488778 |
Electronic magnetometer and compass |
Feb. 6, 1996 |
| 5339529 |
Magnetic sensor mount |
Aug. 23, 1994 |
| 4977679 |
Azimuth signal generator |
Dec. 18, 1990 |
| 4916821 |
Electronic compass and other magnetic devices |
Apr. 17, 1990 |
| 4442609 |
Vehicle orientation detecting device for an automotive vehicle or another vehicle |
Apr. 17, 1984 |
| 4174577 |
Borehole drift-direction probe |
Nov. 20, 1979 |
| 4139951 |
Remote indicating compass |
Feb. 20, 1979 |
| 4013946 |
Means for determining a first magnetic field direction by measuring secondary magnetic fields induced in a body rotated in said first field |
Mar. 22, 1977 |
| 4013945 |
Rotation sensor for borehole telemetry |
Mar. 22, 1977 |
|
|
|
