The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 07, 1986
Filed:
Mar. 08, 1985
Applicant:
Inventors:
Ronald B Praught, Towaco, NJ (US);
Matthew A Wilkowski, Bayonne, NJ (US);
Assignee:
AT&T Bell Laboratories, Murray Hill, NJ (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01F / ; H01F / ;
U.S. Cl.
CPC ...
336 82 ; 336 65 ; 336 83 ; 336195 ; 336210 ; 336223 ;
Abstract
A transformer includes a preformed winding with each turn having a channel cross section. The individual units are joined to form the desired multiturn winding. Another winding is inserted within the channel cross section of the multiturn winding. In one embodiment, the channels of the two turns are joined to form a closed passageway. In another embodiment, they are nested one within each other to form a concurrent passageway.