Portable radio terminal equipment having conductor for...

Details Portable radio terminal equipment having conductor for... Portable radio terminal equipment having conductor for...

2006-06-20

2006-06-20

Urban, Edward F. (Department: 2685)

Telecommunications

Transmitter and receiver at same station

Radiotelephone equipment detail

C455S575500, C455S090300, C455S575700, C343S841000, C343S845000, C343S849000

Reexamination Certificate

active

07065379

ABSTRACT:
A portable radio terminal where the total length of a terminal body and an antenna is less than ½ wavelength. The terminal equipment includes a conductor connected to a printed circuit board in the terminal body so that an electrical equivalent length is ½ wavelength. The portable radio terminal equipment maintains a good radiation efficiency, while reducing the total size of a body and an antenna of the terminal equipment.

REFERENCES:
patent: 4868576 (1989-09-01), Johnson, Jr.
patent: 5262792 (1993-11-01), Egashira
patent: 5337061 (1994-08-01), Pye et al.
patent: 5408699 (1995-04-01), Yamashita et al.
patent: 5554996 (1996-09-01), Chatzipetros
patent: 5572223 (1996-11-01), Phillips et al.
patent: 5585807 (1996-12-01), Takei
patent: 5661495 (1997-08-01), Saldell
patent: 6421016 (2002-07-01), Phillips et al.
patent: 6615026 (2003-09-01), Wong

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