Compass with electromagnetic half-shell transformer energy...

Details Compass with electromagnetic half-shell transformer energy... Compass with electromagnetic half-shell transformer energy...

2005-07-12

2005-07-12

Smith, R Alexander (Department: 2859)

Geometrical instruments

Indicator of direction of force traversing natural media

Gyromagnetic compass

C033S318000, C033S324000

Reexamination Certificate

active

06915584

ABSTRACT:
The invention concerns a compass having an electro magnetic half-shell transformer energy transmission and opto electronic data transmission. To avoid a slipring connection during the transfer of supply voltage at least one winding on the primary half-shell is connected to a controllable input voltage source via a H-bridge circuit, and at least one secondary winding having taps is provided at the other half-shell coil.

REFERENCES:
patent: 4222270 (1980-09-01), Allen
patent: 4371921 (1983-02-01), Cushman
patent: 4512086 (1985-04-01), Galuschak et al.
patent: 5519318 (1996-05-01), Koerner et al.
patent: 1416248 (2004-05-01), None
patent: 2004157123 (2004-06-01), None

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