Title:
Inductive signal transfer device, useful for aviators' helmets
United States Patent 3387606

Inventors:
Crafts, Cecil A.
Mcfarlane, Maynard D.
Mitchell, John E.
Publication Date:
06/11/1968
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Assignee:
ROBERTSHAW CONTROLS CO
Primary Class:
128/202.270
Other Classes:
336/119, 2/423, 439/950, 89/1.550, 340/320, 336/90, 439/358, 439/191, 333/177, 439/180, 336/DIG.002, 2/6.200, 439/38
International Classes:
A62B9/04; B64D10/00; H01F38/14; A62B9/00
US Patent References:
2510125Connector for fluid or electrical lines or both
2579996Frequency selective signal amplifying system
2634311Composite fluid and electrical connector
2745074Electrically equipped oxygen hose
2854642Intermediate frequency transformer with toroidal coils
2857576Coupling devices
2886788Variable inductor
2889522Tuned transformer assembly
3210715Quick disconnect coupling