Radio frequency apparatus

Telecommunications – Receiver or analog modulated signal frequency converter – Noise or interference elimination

Reexamination Certificate

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Details

C455S301000, C455S575100, C361S800000, C361S816000, C174S034000

Reexamination Certificate

active

07076230

ABSTRACT:
A radio frequency apparatus comprising a printed circuit board mounting an electronic component including a coil as an inductance element, a metal frame body covering this printed circuit board and connected to the ground, a lid formed integrally with the frame body, covering the inductance element mounting side of the frame body, and a leg formed by cutting and bending from the lid, having a width nearly same as the width of the coil, in which the leg is disposed closely to the coil.

REFERENCES:
patent: 3610971 (1971-10-01), Hooper
patent: 3909726 (1975-09-01), Dobrovolny et al.
patent: 4494095 (1985-01-01), Noji et al.
patent: 5014160 (1991-05-01), McCoy, Jr.
patent: 5365410 (1994-11-01), Lonka
patent: 5603103 (1997-02-01), Halttunen et al.
patent: 5763824 (1998-06-01), King et al.
patent: 6093888 (2000-07-01), Laureanti et al.
patent: 6192577 (2001-02-01), Larsson
patent: 6275683 (2001-08-01), Smith
patent: 6483719 (2002-11-01), Bachman
patent: 6930891 (2005-08-01), Hama et al.
patent: 2004/0130666 (2004-07-01), Suzuki et al.
patent: 0 866 648 (1998-09-01), None
patent: 1 182 916 (2002-02-01), None
patent: 07-297682 (1995-11-01), None
patent: 8-37474 (1996-02-01), None
European Search Report for EP 03 02 3519, dated May 30, 2005.

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