Slot antenna in particular for a timepiece

Details Slot antenna in particular for a timepiece Slot antenna in particular for a timepiece

1999-04-22

2000-10-10

Ho, Tan

Communications: radio wave antennas

Antennas

Slot type

343718, H01Q 1310

Patent

active

061306479

ABSTRACT:
A slot antenna (21) is arranged to be connected to an asymmetrical output (29) of an antenna circuit (25). The antenna comprises a dielectric substrate (23), and a printed circuit conducting element (22; 22') attached to the substrate and defining a radiating slot (24; 24') of the antenna and having parallel edges. The antenna is characterized in that it further comprises a printed central line (27; 27') arranged in the slot (24; 2440 ) and allowing the direct connection of the output (29) in such a manner that this central line (27; 27') realizes the transition between the output and the antenna.

REFERENCES:
patent: 4063246 (1977-12-01), Greiser
patent: 5353038 (1994-10-01), Osborne et al.
patent: 5442367 (1995-08-01), Naito et al.
patent: 5465098 (1995-11-01), Fujisawa et al.
patent: 5589840 (1996-12-01), Fujisawa
Patent Abstracts of Japan. vol. 9, No. 288 (E-358), Nov. 15, 1985 & JP 60 127803 A (Shigeo Matsumura), Jul. 8, 1985, Abstract.

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