Oscillators – Automatic frequency stabilization using a phase or frequency... – Magnetron oscillator
Reexamination Certificate
2011-01-04
2011-01-04
Kinkead, Arnold (Department: 2817)
Oscillators
Automatic frequency stabilization using a phase or frequency...
Magnetron oscillator
C315S344000, C315S111510, C315S248000, C315S039000, C324S301000, C324S304000
Reexamination Certificate
active
07863988
ABSTRACT:
A microwave signal generator includes a magnetron to generate a microwave signal, a coupler to receive the microwave signal generated by the magnetron and to send the microwave signal to a load; and a band-pass filter to receive the microwave signal from the coupler and to filter the microwave signal to obtain a signal from an oscillation frequency band of the magnetron. The band-pass filter feeds the signal from the oscillation frequency band back to the magnetron in order to fix an oscillation frequency of the magnetron and is a DR (Dielectric Resonator) filter.
REFERENCES:
patent: 3820035 (1974-06-01), Meddaugh
patent: 4571552 (1986-02-01), Brown
patent: 4961058 (1990-10-01), Sigmon
patent: 6611104 (2003-08-01), Kim et al.
patent: 6734630 (2004-05-01), Choi et al.
patent: 6774581 (2004-08-01), Choi et al.
Baek Chae Hyun
Baek Seung Won
Choi Jin Joo
Lee Yong Soo
Kinkead Arnold
LG Electronics Inc.
McKenna Long & Aldridge LLP
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