Telecommunications – Transmitter and receiver at same station – Radiotelephone equipment detail
Reexamination Certificate
2007-02-27
2007-02-27
Vuong, Quochien B. (Department: 2684)
Telecommunications
Transmitter and receiver at same station
Radiotelephone equipment detail
C455S575500
Reexamination Certificate
active
10271608
ABSTRACT:
A printed circuit board unbalanced dipole antenna is provided for a wireless communications telephone. Digital and/or transceiver circuits are mounted on a wireless telephone circuit board. In addition, a radiator is formed from a printed conductive line overlying the circuit board dielectric layer, with an end for connection to a transmission line and an unterminated end. To shorten the overall length of the antenna, the radiator is formed in a series of rectangular or zig-zag meanders with a plurality of first sections with a first orientation and a plurality of second sections with a second orientation, orthogonal, or approximately orthogonal to the first orientation. In some aspects, the radiator first sections overlie the dielectric layer first side and the radiator second sections overlie the dielectric layer second side. Then, the radiator first and second sections are connected with a plurality of vias.
REFERENCES:
patent: 5936587 (1999-08-01), Gudilev et al.
patent: 6417816 (2002-07-01), Sadler et al.
patent: 6582887 (2003-06-01), Luch
patent: 2001/0024163 (2001-09-01), Petite
patent: 2003/0160727 (2003-08-01), Ebine et al.
patent: 2004/0145529 (2004-07-01), Iguhci et al.
patent: 2005/0190115 (2005-09-01), Chiang et al.
patent: 2005/0212706 (2005-09-01), Ying et al.
Kyocera Wireless Corp.
Rego Dominic E.
Vuong Quochien B.
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