Antenna and wristwatch

Details Antenna and wristwatch Antenna and wristwatch

2007-01-09

2007-01-09

Phan, Tho (Department: 2821)

Communications: radio wave antennas

Antennas

Including magnetic material

C343S787000

Reexamination Certificate

active

10956646

ABSTRACT:
An antenna has: a core; a coil which is wound on the core; and a magnetic body layer to cover both end portions of the coil and a peripheral portion of the core other than a portion of the core on which the coil is wound.

REFERENCES:
patent: 3750180 (1973-07-01), Fujimoto et al.
patent: 6014111 (2000-01-01), Johannessen
patent: 6897827 (2005-05-01), Senba et al.
patent: 6927738 (2005-08-01), Senba et al.
patent: 6987490 (2006-01-01), Sano
patent: 44 07 116 (1995-09-01), None
patent: 296 07 866 (1997-08-01), None
patent: 0 348 636 (1990-01-01), None
patent: 1 043 638 (2000-10-01), None
Patent Abstracts of Japan, vol. 0041, No. 37 (-027), Sep. 25, 1980 and JP 55-091237 A (SEIKO EPSON CORP.), Jul. 10, 1980—Abstract.

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