Electrical transmission or interconnection systems – Electromagnet or highly inductive systems
Patent
1996-11-22
1998-11-03
Elms, Richard T.
Electrical transmission or interconnection systems
Electromagnet or highly inductive systems
34031007, H04M 1104
Patent
active
058313486
ABSTRACT:
In the secondary circuit device for wireless transmit-receive system according to the present invention, a first power resonance capacitor and a second power resonance capacitor are connected in parallel to a power induction coil, and also there is provided a resonance capacitor select switch which selectively closes either one of the first power resonance capacitor and the second power resonance capacitor according to the transmitting mode or receiving mode.
REFERENCES:
patent: 4473817 (1984-09-01), Perkins
patent: 5055775 (1991-10-01), Scherz et al.
patent: 5621344 (1997-04-01), Zierhut
Elms Richard T.
Mitsubishi Denki & Kabushiki Kaisha
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