Communications: radio wave antennas – Antennas – Body-attached or connected
Patent
1991-08-12
1992-07-21
Wimer, Michael C.
Communications: radio wave antennas
Antennas
Body-attached or connected
455351, H01Q 112
Patent
active
051326973
ABSTRACT:
A wrist band loop antenna for a device having a receiver which is intended to be worn on a wearer's wrist comprises a pair of wrist band loop segments which are coupled to the receiver for forming first and second electrical portions of the wrist band loop antenna. A conductive clasp couples to the first and second wrist band loop segments to provide adjustment of the length of the wrist band and provides electrical coupling between first and second wrist band loop segments to form the wrist band loop antenna. An insulator is provided to insulate the conductive clasp from the wearer's wrist which is coupled to the lower surface of the clasp.
REFERENCES:
patent: 3032651 (1962-05-01), Stahli et al.
patent: 4480253 (1984-10-01), Anderson
patent: 4713808 (1987-12-01), Gaskill et al.
patent: 4754285 (1988-06-01), Robitaille
patent: 4769656 (1988-09-01), Dickey
patent: 4873527 (1989-10-01), Tan
patent: 4922260 (1990-05-01), Gaskill et al.
Ingrassia Vincent B.
Koch William E.
Le Hoang-anh
Macnak Philip P.
Motorola Inc.
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