Variable power divider

Details Variable power divider Variable power divider

2007-05-22

2007-05-22

Takaoka, Dean (Department: 2817)

Wave transmission lines and networks

Plural channel systems

Having branched circuits

C333S111000

Reexamination Certificate

active

10865737

ABSTRACT:
A variable power divider and method can vary the RF power between ports in a high power and multi-carrier RF environment, such as is used in controlling signals sent and received in a base station antenna. The variable power divider can include a single-control phase shifter and a hybrid power divider. The single-control phase shifter can comprise a three-port device having a single input port and two output ports. The single-control phase shifter can further comprise a variable adjuster that can change or adjust the phase between two RF signals. The hybrid power divider can comprise a four-port device having two input ports and two output ports. Both the single-control phase shifter and the hybrid power divider can comprise substantially planar structures that are suitable for high-speed manufacturing. The output ports of the hybrid power divider can be coupled to various devices such antennas or power absorbing elements.

REFERENCES:
patent: 3656179 (1972-04-01), De Loach
patent: 3769610 (1973-10-01), Savarin et al.
patent: 4160976 (1979-07-01), Conroy
patent: 4348676 (1982-09-01), Tom
patent: 4485362 (1984-11-01), Campi et al.
patent: 4517570 (1985-05-01), Gray, Jr.
patent: 4602227 (1986-07-01), Clark et al.
patent: 4636755 (1987-01-01), Gibbs
patent: 4788515 (1988-11-01), Wong et al.
patent: 4814775 (1989-03-01), Raab et al.
patent: 4841262 (1989-06-01), Lomangino
patent: 4968956 (1990-11-01), Huang
patent: 5075648 (1991-12-01), Roberts et al.
patent: 5162803 (1992-11-01), Chen
patent: 5210542 (1993-05-01), Pett et al.
patent: 5343173 (1994-08-01), Balodis et al.
patent: 5473294 (1995-12-01), Mizzoni et al.
patent: 5512914 (1996-04-01), Hadzoglou et al.
patent: 5523764 (1996-06-01), Martinez et al.
patent: 5563558 (1996-10-01), Mohwinkel et al.
patent: 5585769 (1996-12-01), Mazzochette
patent: 5714961 (1998-02-01), Kot et al.
patent: 5798675 (1998-08-01), Drach
patent: 5798734 (1998-08-01), Ohtsuka et al.
patent: 5861848 (1999-01-01), Iwasaki
patent: 5917455 (1999-06-01), Huynh et al.
patent: 5940030 (1999-08-01), Hampel et al.
patent: 5949303 (1999-09-01), Arvidsson et al.
patent: 5949370 (1999-09-01), Smith et al.
patent: 5973641 (1999-10-01), Smith et al.
patent: 5995047 (1999-11-01), Freyssinier et al.
patent: 6005522 (1999-12-01), Arias et al.
patent: 6069529 (2000-05-01), Evans
patent: 6091311 (2000-07-01), Waters
patent: 6097267 (2000-08-01), Hampel
patent: 6118379 (2000-09-01), Kodukula et al.
patent: 6198458 (2001-03-01), Heinz et al.
patent: 6208222 (2001-03-01), Sinsky
patent: 6219002 (2001-04-01), Lim
patent: 6278410 (2001-08-01), Soliman et al.
patent: 6292143 (2001-09-01), Romanofsky
patent: 6333683 (2001-12-01), Hampel
patent: 6346924 (2002-02-01), Heinz et al.
patent: 6421023 (2002-07-01), Phelan
patent: 6441700 (2002-08-01), Xu
patent: 6441785 (2002-08-01), Rosen et al.
patent: 6816668 (2004-11-01), McDonald et al.
patent: 6850130 (2005-02-01), Gottl et al.
patent: 6864837 (2005-03-01), Runyon et al.
patent: 6922169 (2005-07-01), Moh′d Izzat et al.
patent: 2002/0113750 (2002-08-01), Heinz et al.
patent: 2003/0076198 (2003-04-01), Phillips et al.
patent: 2005/0046514 (2005-03-01), Janoschka
patent: 1 054 466 (2000-11-01), None
patent: 1 239 534 (2002-11-01), None
patent: 1 239 535 (2002-11-01), None
patent: 1 239 538 (2002-11-01), None
patent: 817 740 (1959-08-01), None
patent: 1 314 693 (1973-04-01), None
patent: 2171864 (1986-02-01), None
patent: 62082801 (1987-04-01), None
patent: 01268209 (1989-10-01), None
patent: 04 000902 (1992-01-01), None
patent: 04000902 (1992-01-01), None
patent: 5-121915 (1993-05-01), None
patent: 05037222 (1993-12-01), None
patent: 07183717 (1993-12-01), None
patent: 8-102601 (1996-04-01), None
patent: 09148801 (1997-06-01), None
patent: 09214211 (1997-08-01), None
patent: 09246845 (1997-09-01), None
patent: 09246846 (1997-09-01), None
patent: 10013103 (1998-01-01), None
patent: 11-298212 (1999-10-01), None
patent: 2000-196302 (2000-07-01), None
patent: 2001-196804 (2001-07-01), None
patent: 2002-33603 (2002-02-01), None
patent: WO 95/10862 (1995-04-01), None
patent: WO 96/14670 (1996-05-01), None
patent: WO 01/13459 (2001-02-01), None
patent: WO 01/13459 (2001-02-01), None
patent: WO 02/05383 (2002-01-01), None
patent: WO 03/019720 (2003-03-01), None
International Search Report dated Jan. 24, 2003 for PCT/US02/26766.
Mills, B.Y., Aitchison, R.E., Little, A.G. and McAdam, W.B.; “The Sydney University Cross-type Radio Telescope”Proceedings of the I.R.E. Australia(Feb. 1963).
International Search Report dated Apr. 3, 2003 for PCT/US02/35983.

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