Amplifiers – With plural amplifier channels – Redundant amplifier circuits
Reexamination Certificate
2006-12-12
2006-12-12
Lee, Benny (Department: 2817)
Amplifiers
With plural amplifier channels
Redundant amplifier circuits
Reexamination Certificate
active
07148746
ABSTRACT:
An amplifier includes a main amplifier circuit with an input and output. At least one auxiliary amplifier circuit has an input and output, and is selectively operable to operate in combination with the main amplifier circuit. A signal combining network is coupled with outputs of the main amplifier circuit and auxiliary amplifier circuit and is operable to combine amplifier circuit output signals at an output port. The main and auxiliary amplifier circuits operate in an operational frequency band, and a delay element is coupled to the input of the auxiliary amplifier to introduce a delay to that input that is configured for introducing a delay that is an integer multiple of a wavelength at a frequency within the operational frequency band.
REFERENCES:
patent: 4439744 (1984-03-01), Kumar et al.
patent: 4631492 (1986-12-01), Magarshack et al.
patent: 4677393 (1987-06-01), Sharma
patent: 4701716 (1987-10-01), Poole et al.
patent: 4717884 (1988-01-01), Mitzlaff
patent: 5025225 (1991-06-01), Tajima et al.
patent: 5083094 (1992-01-01), Forsberg
patent: 5101171 (1992-03-01), Redmond et al.
patent: 5136256 (1992-08-01), Salzberg
patent: 5222246 (1993-06-01), Wolkstein et al.
patent: 5389890 (1995-02-01), Burrage
patent: 5420541 (1995-05-01), Upton et al.
patent: 5430411 (1995-07-01), Boulic
patent: 5543751 (1996-08-01), Stedman et al.
patent: 5663682 (1997-09-01), Meline et al.
patent: 5757229 (1998-05-01), Mitzlaff
patent: 5786727 (1998-07-01), Sigmon
patent: 5896065 (1999-04-01), Myer
patent: 5999046 (1999-12-01), Kotzamanis
patent: 6094097 (2000-07-01), Ke
patent: 6262629 (2001-07-01), Stengel et al.
patent: 6320462 (2001-11-01), Alley
patent: 6359506 (2002-03-01), Camp, Jr. et al.
patent: 6384680 (2002-05-01), Takei et al.
patent: 6396349 (2002-05-01), Takei et al.
patent: 6617929 (2003-09-01), Kim et al.
patent: 6624694 (2003-09-01), Ma et al.
patent: 6639463 (2003-10-01), Ghanadan et al.
patent: 6639464 (2003-10-01), Hellberg
patent: 2001/0019289 (2001-09-01), Takei et al.
patent: 2002/0186078 (2002-12-01), Kobayashi
patent: 2004/0189381 (2004-09-01), Louis
patent: 0731559 (1996-09-01), None
patent: 2 525 834 (1983-10-01), None
patent: 2002043857 (2002-02-01), None
patent: WO96/04710 (1996-02-01), None
patent: WO99/17443 (1999-04-01), None
patent: WO 03/065599 (2003-08-01), None
Hayt, Jr.,Engineering Electromagnetics, MdGraw Hill Book Company, 1981, p. 449.
IBM Technical Disclosure Bulletin,Transistor Audio Amplifier, Apr. 1960.
Karmel et al. ,Introduction to Electromagnetic and Microwave Engineering, John Wiley & Sons, Inc. 1998, pp. 344-345.
European Search Report dated Feb. 16, 2006.
Andrew Corporation
Lee Benny
Wong Alan
Wood Herron & Evans LLP
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