GB653152A - Electromagnetic compass - Google Patents
Electromagnetic compassInfo
- Publication number
- GB653152A GB653152A GB25506/48A GB2550648A GB653152A GB 653152 A GB653152 A GB 653152A GB 25506/48 A GB25506/48 A GB 25506/48A GB 2550648 A GB2550648 A GB 2550648A GB 653152 A GB653152 A GB 653152A
- Authority
- GB
- United Kingdom
- Prior art keywords
- coil
- excited
- repeater
- fixed
- selsyn
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C17/00—Compasses; Devices for ascertaining true or magnetic north for navigation or surveying purposes
- G01C17/02—Magnetic compasses
- G01C17/28—Electromagnetic compasses
- G01C17/30—Earth-inductor compasses
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Near-Field Transmission Systems (AREA)
Abstract
653,152. Electric correspondence control systems. DROUIN, P. A. Sept. 30, 1948, No. 25506. Convention date, Oct. 13, 1947. [Class 40 (i)] [Also in Group XX] A master compass comprises a northseeking member which is either a moving coil excited by pulsating direct current or a pivoted iron member influenced by a fixed coil similarly excited, co-operating with a pair of fixed secondary windings to form the transmitter of a repeater system. As shown, a moving coil 1 excited by pulsating current sets itself on the magnetic meridian and co-operates with fixed coils 2, 3 connected to distant field coils 21, 31 acting in known manner on a movable coil 11. The output of the latter drives a motor 13, the motion of which via suitable gearing and a Selsyn link is conveyed to the coil 1<SP>1</SP> until the latter has no output. Other repeater compasses may be controlled by the transmitter of the Selsyn link. The transmission line between the master compass and the repeater 1<SP>1</SP>, 2<SP>1</SP>, 3<SP>1</SP> may include tuned circuits and damping resistors.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR653152X | 1947-10-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB653152A true GB653152A (en) | 1951-05-09 |
Family
ID=9005702
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB25506/48A Expired GB653152A (en) | 1947-10-13 | 1948-09-30 | Electromagnetic compass |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB653152A (en) |
-
1948
- 1948-09-30 GB GB25506/48A patent/GB653152A/en not_active Expired
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