Wind-up coil - Patent 2731605

Wind-up coil

United States Patent 2731605

US Patent References:
Electrical coil
- - 1642488

Variable coil
- - 2037061

Variable inductance
- - 2175554

Inventors:

Doelz, Melvin L.

Publication Date:

01/17/1956

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Assignee:

COLLINS RADIO CO

Primary Class:

336/15

Other Classes:

336/141, 242/485.700, 242/366.200, 242/365.600, 439/10, 242/485.200, 74/89.280

International Classes:

H01F21/00