Wave transmission lines and networks – Coupling networks – Balanced to unbalanced circuits
Reexamination Certificate
2005-07-12
2005-07-12
Summons, Barbara (Department: 2817)
Wave transmission lines and networks
Coupling networks
Balanced to unbalanced circuits
C333S026000, C333S246000, C333S247000, C336S061000, C336S200000
Reexamination Certificate
active
06917254
ABSTRACT:
A method relating to a balun for transmitting a high degree of high-frequency power where metal sheet element is soldered onto the loop conductor tract of the symmetrical circuit loop, the conductor track being configured as a printed circuit. The metal sheet element is leaked with a cooling element on the electrically cold mass point of the loop.
REFERENCES:
patent: 4186352 (1980-01-01), Hallford
patent: 4193048 (1980-03-01), Nyhus
patent: 5061910 (1991-10-01), Bouny
patent: 5917386 (1999-06-01), Dobrovolny
patent: 6144276 (2000-11-01), Booth
patent: 6294965 (2001-09-01), Merrill et al.
patent: 1938152 (1971-01-01), None
patent: 2084809 (1982-04-01), None
Translation of International Preliminary Eamination Report form PCT/IPEA/409 dated Oct. 16, 2002.
Harness & Dickey & Pierce P.L.C.
Rohde & Schwarz GmbH & Co. KG
Summons Barbara
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