Wave transmission lines and networks – Coupling networks – Wave filters including long line elements
Patent
1996-10-31
1999-03-23
Ham, Seungsook
Wave transmission lines and networks
Coupling networks
Wave filters including long line elements
3332191, H01P 120, H01P 710
Patent
active
058865934
ABSTRACT:
A coupling loop, formed by a bendable sheet material, formed by a main plate and two branch plates, with the main plate provided with a phase adjustor. The coupling loop can be easily bent in the direction of its thickness, thereby facilitating coupling adjustments and reducing the load exerted on the connecting and fixing portions of the sheet material of which the coupling loop is composed. The coupling loop allows excellent workability and processability to be achieved, is lower in cost, and allows external coupling adjustments to be performed readily, without any problems occurring in the connecting and fixing portions of the coupling loop.
REFERENCES:
patent: 4937533 (1990-06-01), Livingston
patent: 5151670 (1992-09-01), Blair et al.
patent: 5604471 (1997-02-01), Rattila et al.
Andoh Masamichi
Nishiyama Taiyo
Ham Seungsook
Murata Maufacturing Co., Ltd.
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