Radio frequency device

Details Radio frequency device Radio frequency device

2007-03-13

2007-03-13

Le, Lana (Department: 2618)

Telecommunications

Transmitter and receiver at same station

Radiotelephone equipment detail

C455S090100, C455S422100

Reexamination Certificate

active

10764537

ABSTRACT:
In the present radio frequency device, a radio frequency circuit part and a transmission line are disposed on the top surface of a circuit board on the surface of which a ground pattern is provided, and a metal shielding cap is fixed to the circuit board so as to cover the radio frequency circuit part and the transmission path. The metal shielding cap includes: a top plate disposed above the radio frequency circuit part and substantially parallel to the circuit board; a grounded side wall being provided so as to hang down from a part of an edge of the top plate, having a spring property and being joined to the ground pattern of the circuit board, and a side wall is open except for the grounded side wall.

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Japanese Office Action dated Jul. 3, 2006 with English translation.
Japanese Office Action dated Mar. 9, 2006 with English translation.
Patent Abstracts of Japan, Publication No. 200422711A, Jan. 22, 2004.

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