Transponder and method for the production thereof

Details Transponder and method for the production thereof Transponder and method for the production thereof

1989-10-10

1991-02-12

Tarcza, Thomas H.

Communications: directive radio wave systems and devices (e.g.,

Radar transponder system

Radar transponder only

340573, 119 1, G01S 902

Patent

active

049927949

ABSTRACT:
An implantable transponder has a plastic holder having a hollow interior and preferably a rough outer surface, a transmit/receive unit within the hollow interior of the holder, and an electronic element electrically connected to said transmit/receive unit within the hollow interior of said holder. The transmit/receive unit includes a core and coil assembly which may be impregnated with wax, and the hollow interior of the holder is at least partially filled with a plastic filler material such as polysiloxane.

REFERENCES:
patent: 3144017 (1964-08-01), Muth
patent: 3297020 (1967-01-01), Mathiesen
patent: 3453546 (1969-07-01), Fryer
patent: 3541995 (1970-11-01), Fathauer
patent: 3964024 (1976-06-01), Hutton et al.
patent: 4028687 (1977-06-01), Hamaguchi et al.
patent: 4065753 (1977-12-01), Paul, Jr.
patent: 4129855 (1978-12-01), Rodrian
patent: 4262632 (1981-04-01), Hanton et al.
patent: 4654641 (1987-03-01), Ferguson et al.
patent: 4854328 (1989-08-01), Pollock

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