Electricity: measuring and testing – Impedance – admittance or other quantities representative of... – Parameter related to the reproduction or fidelity of a...
Patent
1995-12-22
1998-08-11
Nguyen, Vinh P.
Electricity: measuring and testing
Impedance, admittance or other quantities representative of...
Parameter related to the reproduction or fidelity of a...
324628, 324632, 333244, 333243, H01P 100
Patent
active
057932158
ABSTRACT:
A 6 port TEM cell for measuring garbage EMI/EMS of an electrical and electronic equipment which can form an electromagnetic field of horizontal/vertical polarization using characteristic that internal electric field polarization is changed according to feeder line selection inside a multi-transmission line, and coupling amount among internal conductors is reduced by positioning the spherical internal conductors at corners of external conductors, thereby widening a test area.
REFERENCES:
patent: 4255750 (1981-03-01), Riley
patent: 4605916 (1986-08-01), Tehori
patent: 5153524 (1992-10-01), McCormack
patent: 5327091 (1994-07-01), Loughry
patent: 5436603 (1995-07-01), Fischer
patent: 5514971 (1996-05-01), Hankui
Kruse: "A TEM test cell for Consumer Products Emission and Susceptibility Measurements"--IEEE Trans-Consumer Electronics May 1979--US Cl 324/627.
Electronics and Telecommunications Research Institute
Nguyen Vinh P.
Solis Jose M.
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