Rotary coupler

Details Rotary coupler Rotary coupler

1991-06-12

1993-03-09

Gensler, Paul

Wave transmission lines and networks

Plural channel systems

Having branched circuits

333261, 360108, H01P 106, G11B 2100

Patent

active

051929236

ABSTRACT:
Reception and transmission of radio frequency signals is performed between the rotary portion and the stationary portion via an electromagnetically coupled portion in which a microstrip formed along substantial one lap of the circumference having a length equivalent to an odd multiple of substantially 1/2 of the electrical wave length of the transmitted radio frequency signal is electromagnetically coupled with a microstrip having a length equivalent to an add multiple of substantially 1/4 of the electrical wave length of the radio frequency signal.

REFERENCES:
patent: 4692721 (1987-09-01), Ito et al.
patent: 4730224 (1988-03-01), Komatsu

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