Transmission line

Details Transmission line Transmission line

2006-09-05

2006-09-05

Jones, Stephen E. (Department: 2817)

Wave transmission lines and networks

Plural channel systems

With balanced circuits

C333S005000, C333S033000, C333S238000

Reexamination Certificate

active

07102456

ABSTRACT:
A method of controlling a characteristic impedance of a transmission line, and a transmission line implementing the method. According to a basic version of the invention a distance between longitudinal currents are controlled, thereby controlling a characteristic inductance of the transmission line. This without hindering transversal currents on which a characteristic capacitance is dependent upon. This is achieved by cutting longitudinal currents within a minimum distance between the longitudinal currents and leaving longitudinal currents that have a distance greater than the minimum distance alone. This is done without cutting transversal currents to any significant degree. The longitudinal currents can be cut in the return conductor and/or in the signal strip, in dependence on the type of transmission line.

REFERENCES:
patent: 5594393 (1997-01-01), Bischof
patent: 2002/0084876 (2002-07-01), Wright et al.
patent: 24 44 228 (1976-03-01), None
patent: 2 229 322 (1990-09-01), None
patent: 3119803 (1991-05-01), None
patent: 2001-196814 (2001-07-01), None
International Search Report for PCT/SE2003/001005 dated Dec. 10, 2003.

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