Title:
DELAY LINE
Document Type and Number:
WIPO Patent Application WO/2006/095865
Kind Code:
A1
Abstract:
In a band-pass filter (18) of a delay line (10A), an input terminal (12) and a first resonator (16A) adjacent to the input terminal (12) are coupled through a capacitor (C1). The first resonator (16A) and a second resonator (16B) adjacent to the first resonator (16A) are coupled through a capacitor (C2). The second resonator (16B) and a third resonator (16C) adjacent to the second resonator (16B) are coupled through an inductance (L1). The third resonator (16C) and a fourth resonator (16D) adjacent to the third resonator (16C) are coupled through a capacitor (C3). The fourth resonator (16D) and an output terminal (14) adjacent to the fourth resonator (16D) are coupled through a capacitor (C4).
Inventors:
MORIKAKU HIROYUKI (JP)
KATSUMATA ITSUAKI (JP)
KATSUMATA ITSUAKI (JP)
Application Number:
PCT/JP2006/304778
Publication Date:
September 14, 2006
Filing Date:
March 10, 2006
Export Citation:
Assignee:
SOSHIN ELECTRIC (JP)
MORIKAKU HIROYUKI (JP)
KATSUMATA ITSUAKI (JP)
MORIKAKU HIROYUKI (JP)
KATSUMATA ITSUAKI (JP)
International Classes:
H01P1/20; H01P1/205; H01P9/00
Foreign References:
| JPH0548401U | 1993-06-25 | |||
| JPH0758511A | 1995-03-03 | |||
| JPS6437101A | 1989-02-07 | |||
| JP2001085914A | 2001-03-30 |
Attorney, Agent or Firm:
Chiba, Yoshihiro (1-1 Yoyogi 2-chome, Shibuya-k, Tokyo 53, JP)
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