Inductor devices – With outer casing or housing
Patent
1985-08-29
1987-08-25
Kozma, Thomas J.
Inductor devices
With outer casing or housing
333 24R, 333 32, 336200, 336223, 336225, H01F 2702, H01F 2728
Patent
active
046895930
ABSTRACT:
A transformer has a number of single turn primary windings 5 formed by printed circuit tracks on a flexible bendable sheet 3 which is wrapped around a core of the transformer. The primary windings are connected to output terminals 12 of an enclosure 1 of the transformer by another printed circuit board 8 having further conductive tracks on opposite sides thereof to form balanced transmission lines whose impedance is matched to the impedance of the primary windings.
REFERENCES:
patent: 2703854 (1955-03-01), Eisler
patent: 3102245 (1963-08-01), Lawson, Jr.
patent: 3609613 (1971-09-01), Horn
patent: 3611233 (1971-10-01), Haldeman, Jr.
patent: 3826967 (1974-07-01), Wilkinson et al.
patent: 4342976 (1982-08-01), Reysen
Kozma Thomas J.
The Marconi Company Limited
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