Multilayered frequency separator

Details Multilayered frequency separator Multilayered frequency separator

1997-02-24

1999-03-09

Ham, Seungsook

Wave transmission lines and networks

Plural channel systems

Having branched circuits

333134, 333176, H01P 1213, H03H 746

Patent

active

058806490

ABSTRACT:
A multilayered frequency separator comprising a plurality of insulating layers, and having at least two notch circuits. The notch circuit is constituted by pattern electrodes formed on interfaces of each of the insulating layers which construct the multilayer structure, and comprises a capacitor component connected to an inductance component. The multilayered frequency separator is suitably used for branching the frequency bands for dual-band handy phone.

REFERENCES:
patent: 3015099 (1961-12-01), Willard
patent: 4186359 (1980-01-01), Kaegebein
patent: 4382238 (1983-05-01), Makimoto et al.
patent: 4910481 (1990-03-01), Sasaki et al.
patent: 5285728 (1994-02-01), Taniyoshi et al.
patent: 5515015 (1996-05-01), Nakata
Patent Abstracts of Japan, vol. 15, No. 494 (E-1145), 13 Dec. 1991 & JP 03 216002 A (Fuji Electrochem Co., Ltd), 24 Sep. 1991--Abstract.
Patent Abstracts of Japan, vol. 18, No. 340 (E-1569), 27 Jun. 1994 & JP 06 085506 A (Murata Mfg, Co., Ltd), 25 Mar. 1994--Abstract.

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