Device for transferring electromagnetic energy between primary a

Details Device for transferring electromagnetic energy between primary a Device for transferring electromagnetic energy between primary a

1997-06-04

1999-04-06

Kamm, William E.

Surgery: light, thermal, and electrical application

Light, thermal, and electrical application

Electrical therapeutic systems

607 55, 128897, H04R 2500

Patent

active

058911839

ABSTRACT:
A cochlear implant system including primary and secondary coils of wire for transmitting electromagnetic energy between the primary and secondary coils, wherein at least one of the primary and secondary coils are wound with turns of wire that are distributed radially and not concentrated at a single circumference so as to enhance the magnetic coupling coefficient of the primary and secondary coil systems.

REFERENCES:
patent: 3752939 (1973-08-01), Bartz
patent: 5069210 (1991-12-01), Jeutter et al.
patent: 5549658 (1996-08-01), Shannon et al.
Gheewala et al., "A CMOS Implantable Multielectrode Auditory Stimulator for the Deaf", IEEE Journal of Solid-State Circuits, Dec. 1975, pp. 472-479.
IBM Technical Disclosure Bulletin, vol. 29, No. 3, Aug. 1996, pp. 1054-1056.
Zierhofer et at., "Geometric Approach for Coupling Enhancement of Magnetically Coupled Coils", IEEE Transactions on Biomedical Engineering, vol. 43, No. 7, Jul. 1996, pp. 708-714.

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