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:
Nov. 30, 1999
Filed:
Apr. 03, 1998
Paul John, Hazlet, NJ (US);
Walter George Kutzavitch, Freehold, NJ (US);
Lucent Technologies Inc., Murray Hill, NJ (US);
Abstract
A current limiting circuit for a power switching transistor, the current limiting circuit incorporating a DC modulator to control the conducting/non-conducting state of the switching transistor, with an input signal generated and supplied to the modulator (and thus controlling a modulator DC bias output signal and therefore the conducting/non-conducting state of the switching transistor) comprised of two components: a first component which controls the modulator state based upon limiting maximum transistor current when a DC supply voltage is at a nominal design value, and a second component which dynamically adjusts the value of the modulator input signal when values of the DC supply voltage are other than the nominal design value.