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:
Jun. 29, 1999
Filed:
Apr. 28, 1997
Abstract
A circuit for the controlled recycle without oscillation of a discharge current from an inductive load. The circuit comprises an active element connected, in series with the inductive load, between first and second power supply terminals, and having a control terminal to which a driver circuit is connected. The circuit further includes a recycling regulating circuitry connected to a connection node between the active element and the inductive load, and sensitive to a voltage threshold at the connection node to generate, depending on attainment of that threshold, a power-on signal for application to the control terminal effective to start up recycling of the discharge current through the active element. The circuit further comprises a control circuit for controlling the voltage oscillation at the connection node at the end of the recycling. The control circuit includes a circuit having a relatively low resistive impedance and being selectively connectable, at least upon the active element being turned off at the end of the recycling, between the connection node and a node having a substantially zero impedance toward at least one of the first and second power supply terminals.