Boots – shoes – and leggings
Patent
1976-04-07
1977-11-08
Gruber, Felix D.
Boots, shoes, and leggings
333 24R, 364863, G06G 762, H03H 706
Patent
active
040577171
ABSTRACT:
An active transformer is disclosed of the type which includes two primary terminals to which is applied a voltage v.sub.1 with a current i.sub.1, and two secondary terminals supplying a voltage v.sub.2 with a current i.sub.2. The transformer is characterized in that it includes a first circuit whose input, connected to the primary terminals, generates an input current of the form i.sub.1 ' = jC.sub.1 .omega.v.sub.1 and whose output supplies a current of the form i.sub.2 " = -jN.omega.v.sub.1 to the secondary. The transformer also includes a second circuit whose input, connected to the secondary terminals, generates an input current of the form i.sub.2 ' = jC.sub.2 .omega.v.sub.2, and whose output supplies a current i.sub.1 " = -jN.omega.v.sub.2 to the primary. The terms C.sub.1, C.sub.2 and N are respectively the dual equivalents of the terms L.sub.1, L.sub.2 and M found in the relations associated with a conventional transformer. The currents flow in such a way that they satisfy the relations i.sub.1 = i.sub.1 ' - i.sub.1 ' and i.sub.2 = i.sub.2 ' - i.sub.2 ".
REFERENCES:
patent: 2923784 (1960-02-01), Flanagan
patent: 3109147 (1963-10-01), Witt
patent: 3517342 (1970-06-01), Orchard et al.
patent: 3573647 (1971-04-01), Antoniou
patent: 3713050 (1973-01-01), Golembeski
patent: 3824496 (1974-07-01), Hekimian
patent: 3936777 (1976-02-01), Rollett et al.
patent: 3952205 (1976-04-01), Tobey, Jr. et al.
Gruber Felix D.
Holl John E.
International Business Machines - Corporation
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