A - Human Necessities – 61 – N
Patent
A - Human Necessities
61
N
326/1, 326/15
A61N 1/40 (2006.01) A61F 11/04 (2006.01) A61N 1/378 (2006.01)
Patent
CA 1192617
TRANSCUTANEOUS SIGNAL TRANSMISSION SYSTEM AND METHODS Abstract of the Disclosure Greater positioning tolerance is permitted in inductively coupled transmitter and receiver tuned circuits by achieving critical coupling therebetween. Critical coupling at a pre- determined distance is obtained by selecting the appropriate quality, Q, of the tuned circuit, whereby the quality of the transmitter tuned circuit is preferably three times larger than the quality of the receiver tuned circuit. In a trans- cutaneous signal transmission system the critical coupling is realized by adjusting the spacing of the coils of the tuned circuits whereby the output impedance of the transmitter decreases to one-half the output impedance with no coupling.
411642
Hochmair Erwin S.
Hochmair Ingeborg J.
Hochmair Erwin S.
Hochmair Ingeborg J.
Smart & Biggar
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