Cutlery – Means for cutting elongate – strand-encircling sheath
Patent
1985-11-04
1988-01-19
Watts, Douglas D.
Cutlery
Means for cutting elongate, strand-encircling sheath
30279R, 81 94, B26F 1300
Patent
active
047196998
ABSTRACT:
A reference antenna construction preferably employing a biconical antenna in combination with a balanced to unbalanced transformer or balun adapted to provide proper matching and operation over a broad frequency range. The reference antenna is used to calibrate other antennas. A ferrite sleeve is preferably used over the balun to reduce unbalanced currents flowing in the shield and to improve performance. A tool is described that allows fast and accurate construction of the balun by providing precise severing of the center conductor.
REFERENCES:
patent: Re30342 (1980-07-01), Perrino
Dash Glen
Straus Isidor
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