Telecommunications – Transmitter and receiver at separate stations – Short range rf communication
Patent
1987-01-30
1991-12-03
Kuntz, Curtis
Telecommunications
Transmitter and receiver at separate stations
Short range rf communication
1284206, 128903, 381 68, H04B 500
Patent
active
050705350
ABSTRACT:
A transcutaneous signal transmission system having coupling coil alignment tolerance and increased coupling efficiency includes an external transmitter and first tuned circuit including a first coupling coil and an implantable receiver and second tuned circuit including a second coupling coil. The first and second tuned circuits are stagger tuned whereby closer spacing of the coupling coils is permitted in achieving optimum coupling.
REFERENCES:
patent: 3078348 (1963-02-01), McIntosh
patent: 4281664 (1981-08-01), Duggan
patent: 4357497 (1982-11-01), Hochmair et al.
patent: 4441210 (1984-04-01), Hochmair et al.
patent: 4586508 (1986-05-01), Batina et al.
patent: 4654880 (1987-03-01), Sontag
Hochmair Erwin S.
Hochmair Ingeborg J.
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