Telecommunications – Transmitter and receiver at same station – Radiotelephone equipment detail
Reexamination Certificate
2005-03-28
2008-03-11
Urban, Edward F. (Department: 2618)
Telecommunications
Transmitter and receiver at same station
Radiotelephone equipment detail
C343S702000, C455S575300
Reexamination Certificate
active
07343183
ABSTRACT:
A portable wireless apparatus having a first parasitic element disposed in the front case of a first casing and made longer than the electrical length of an antenna, and a second parasitic element disposed in the back case of the first casing and made shorter than the electrical length of the antenna. The portable wireless apparatus has a radiation directivity on the opposite side of a human body so that it reduces a characteristic degradation in speeches.
REFERENCES:
patent: 5923305 (1999-07-01), Sadler et al.
patent: 6246374 (2001-06-01), Perrotta et al.
patent: 6249688 (2001-06-01), Holshouser et al.
patent: 6563467 (2003-05-01), Buris et al.
patent: 6697023 (2004-02-01), Tiao-Hsing et al.
patent: 6856819 (2005-02-01), Itoh
patent: 7126545 (2006-10-01), Nagano et al.
patent: 7162264 (2007-01-01), Vance
patent: 2001/0029173 (2001-10-01), Ogino
patent: 2001/0036845 (2001-11-01), Park
patent: 2003/0045324 (2003-03-01), Nagumo et al.
patent: 2004/0021608 (2004-02-01), Kojima et al.
patent: 2004/0219956 (2004-11-01), Iwai et al.
patent: 2005/0024273 (2005-02-01), Hayes
patent: 10-84406 (1998-03-01), None
patent: 10-084406 (1998-03-01), None
patent: 11-136015 (1999-05-01), None
patent: 2001/077611 (2001-03-01), None
patent: 2001-77611 (2001-03-01), None
patent: 2003-008320 (2003-01-01), None
patent: 2003-110329 (2003-04-01), None
patent: 2003/110329 (2003-04-01), None
patent: 2003-204281 (2003-07-01), None
International Search Report corresponding to International Application No. PCT/JP2005/005692, dated Mar. 28, 2005.
English translation of Search Report Form PCT/ISA/210.
European Search Report corresponding to International Application No. PCT/JP2005/005692, dated Feb. 17, 2006.
Hannon Christian A.
RatnerPrestia
Urban Edward F.
LandOfFree
Portable wireless unit does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Portable wireless unit, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Portable wireless unit will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-3962201