Variable resonator and variable phase shifter

Details Variable resonator and variable phase shifter Variable resonator and variable phase shifter

2007-11-06

2007-11-06

Pascal, Robert (Department: 2817)

Wave transmission lines and networks

Resonators

C333S02200F, C333S140000, C333S161000, C333S164000

Reexamination Certificate

active

11046944

ABSTRACT:
A variable resonator is provided which comprises signal conductor13formed on top side surface of dielectric substrate12, ground conductor layer11formed on back side surface thereof and switches14, wherein signal conductor comprises a plurality of first conductor lines13-1and second conductor line13-2connected with all of first conductor lines, each first conductor line has a width larger than that of second conductor line to thereby a signal path through which high-frequency electric signal passes and which is longer than length of second conductor line is provided, switches14are connected to the ends of first conductor lines, whereby selectively opening and closing switches will electrically disconnect and interconnect interspaces between ends of first conductor lines to thereby vary length of signal path and thus change resonance frequency.

REFERENCES:
patent: 5808527 (1998-09-01), De Los Santos
patent: 6043727 (2000-03-01), Warneke et al.
patent: 6452465 (2002-09-01), Brown et al.
patent: 6525627 (2003-02-01), Nakada
patent: 6876056 (2005-04-01), Tilmans et al.
patent: 0 520 641 (1992-12-01), None
patent: 0 849 820 (1998-06-01), None
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patent: 6-216602 (1994-08-01), None
“The Lecture of Practicable Microwave Technology”, vol. 3. Published Jun. 2001.
U.S. Appl. No. 11/555,437, filed Nov. 1, 2006, Kawai et al.

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