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Class Information
Number: 33/363R
Name: Geometrical instruments > Indicator of direction of force traversing natural media > Magnetic field responsive > Electrical telemetering
Description:
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7194816 |
Mobile terminal apparatus |
Mar. 27, 2007 |
| 6826843 |
Electronic compass apparatus and method |
Dec. 7, 2004 |
| 6742270 |
Luminescent indication compass |
Jun. 1, 2004 |
| 6070333 |
Electronic compass |
Jun. 6, 2000 |
| 6018302 |
Mechanical pointer drive for avionics display |
Jan. 25, 2000 |
| 5764055 |
Magnetism sensor using a magnetism detecting device of a magnetic impedance effect type and control apparatus using the same |
Jun. 9, 1998 |
| 5560115 |
Gimbaled magnetometer with inductive coupling |
Oct. 1, 1996 |
| 5477470 |
Real-time digital orientation device |
Dec. 19, 1995 |
| 5282318 |
Position sensor |
Feb. 1, 1994 |
| 4750349 |
Microcomputer controlled quick ranging technique and digital filter |
Jun. 14, 1988 |
| 4546550 |
Compass |
Oct. 15, 1985 |
| 4539760 |
Compass |
Sep. 10, 1985 |
| 4531298 |
Apparatus and method for controlling northerly turning error in direction indicating navigational instruments |
Jul. 30, 1985 |
| 4428053 |
Adaptive compass and north stabilization drive system |
Jan. 24, 1984 |
| 4412387 |
Digital compass having a ratiometric bearing processor |
Nov. 1, 1983 |
| 4402142 |
Electronic compass for automotive vehicles |
Sep. 6, 1983 |
| 4398353 |
Compass data converter |
Aug. 16, 1983 |
| 4379366 |
Direction finding system |
Apr. 12, 1983 |
| 4327363 |
System for transmitting heading information from a compass to several followers |
Apr. 27, 1982 |
| 4255866 |
Nonmagnetic compass |
Mar. 17, 1981 |
| 4250626 |
Electronic compass |
Feb. 17, 1981 |
| 4232451 |
Detector for sensing the angular position of a rotatable magnet |
Nov. 11, 1980 |
| 4075619 |
Remote reading compass display |
Feb. 21, 1978 |
| 4067007 |
Adaptive compass drive system |
Jan. 3, 1978 |
| 4060910 |
Orientation system |
Dec. 6, 1977 |
| 4059064 |
Marine auto pilot |
Nov. 22, 1977 |
| 4053829 |
Apparatus for detecting the direction of a magnetic field to sense the position of, for example, a rotary element or the like |
Oct. 11, 1977 |
| 4047168 |
Digital compass and gimbal assembly for two conductor connection |
Sep. 6, 1977 |
| 3959889 |
Method and apparatus for determining a measured direction relative to an external magnetic direction |
Jun. 1, 1976 |
| 3935645 |
Apparatus for indicating relative azimuth |
Feb. 3, 1976 |
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