Oscillators – Beam tube
Reexamination Certificate
2008-05-27
2008-05-27
Pascal, Robert J. (Department: 2817)
Oscillators
Beam tube
C331S082000, C343S754000, C343S755000, C333S02100R, C342S361000
Reexamination Certificate
active
07378914
ABSTRACT:
Embodiments of High-Power Millimeter-Wave Oscillators are generally described herein. Other embodiments may be described and claimed. In some embodiments, the oscillator includes a polarized partial reflector to at least partially reflect back signals to a reflection array amplifier to help induce oscillation by individual sub-array amplifier elements of the reflection array amplifier. In some other embodiments, the oscillator includes a phase-graded polarization-sensitive reflection plate to at least partially reflect back signals to the reflection array amplifier to help induce an oscillation by the sub-array amplifier elements. In some embodiments, the oscillator includes a reflector and a phase-graded polarized reflection-transmission plate to at least partially pass through signals to the reflector for reflection back to the reflection array amplifier to help induce an oscillation by the sub-array amplifier elements.
REFERENCES:
patent: 5214394 (1993-05-01), Wong
patent: 5481223 (1996-01-01), Wong
patent: 7151494 (2006-12-01), Brown et al.
patent: 2002/0018282 (2002-02-01), Rosenberg et al.
Moonil Kim et al., A 6.5 Ghz-11.5 GHz Source Using a Grid Amplifier with a Twist Reflector, Oct. 1993, IEEE Transactions on Microwave Theory and Techniques, vol. 41, No. 10, pp. 1772-1774.
Brown Kenneth W.
Gallivan James R.
Gorrie Gregory J.
Johnson Ryan J
Pascal Robert J.
Raytheon Company
Schwegman Lundberg & Woessner, P.A.
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