Antenna apparatus capable of achieving a low-profile design

Communications: radio wave antennas – Antennas – With radio cabinet

Reexamination Certificate

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Details

C343S7000MS, C343S846000, C343S895000

Reexamination Certificate

active

07154443

ABSTRACT:
An antenna apparatus according to the invention comprises an inverse F-element provided on a grounding conductor. The inverse F-element is constituted by an L-shaped radiating conductor and a short-circuiting conductor. The radiating conductor is constituted by a vertical portion vertically extending from a feeding point provided maintaining a gap with respect to the grounding conductor, and a horizontal portion extending in parallel with the grounding conductor from an upper end of the vertical portion. The vertical portion of the radiating conductor is of a meandering shape.

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patent: 6218992 (2001-04-01), Sadler et al.
patent: 6326921 (2001-12-01), Egorov et al.
patent: 6738023 (2004-05-01), Scott et al.
patent: 6977616 (2005-12-01), Yuanzhu
patent: 6995714 (2006-02-01), Sim et al.
patent: 2004/0108957 (2004-06-01), Umehara et al.
patent: 2006/0001575 (2006-01-01), Jo et al.
patent: 8-78943 (1996-03-01), None
patent: 8-250925 (1996-09-01), None

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