Wave transmission lines and networks – Plural channel systems – Having branched circuits
Patent
1994-08-30
1996-09-17
Lee, Benny
Wave transmission lines and networks
Plural channel systems
Having branched circuits
333246, H01P 518
Patent
active
055572456
ABSTRACT:
A strip line-type high-frequency element constituted by a laminate including a first ground conductor electrode substrate 2; a substrate 3 having a first strip line electrode 3a of less than one turn having a through-hole round electrode 3e; a substrate 4 having a second strip line electrode 4a of one or more turns having a through-hole electrode 4f; a substrate 5 having a third strip line electrode 5a of one or more turns having a through-hole round electrode 5e; a substrate 6 having a fourth strip line electrode 6a of less than one turn having a through-hole electrode 6f; a second ground conductor electrode substrate 7; and a protective substrate 8, wherein the through-hole round electrode 3e of the first strip line electrode 3a is connected to the through-hole electrode 4f of the second strip line 4a to form a first line, and the through-hole round electrode 5e of the third strip line electrode 5a is connected to the through-hole electrode 6f of the fourth strip line 6a to form a second line, one of the first and second lines being a main line while the other being a sub-line, whereby the strip line-type high-frequency element functions as a directional coupler.
REFERENCES:
patent: B535256 (1976-03-01), Caragliano et al.
patent: 3164790 (1965-01-01), Oh
patent: 5349743 (1994-09-01), Grader et al.
patent: 5369379 (1994-11-01), Fujiki
patent: 5382925 (1995-01-01), Hayashi et al.
IBM Technical Disclosure Bulletin, vol. 8, No. 5 (Oct. 1965).
Ishida Toru
Kishimoto Yasushi
Taketa Tsuyoshi
Hitachi Metals Ltd.
Lee Benny
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