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. 13, 1998
Filed:
Jun. 10, 1997
Yehoshua Mandelcorn, Dallas, TX (US);
Lucent Technologies Inc., Murray Hill, NJ (US);
Abstract
A synchronization control scheme that provides a drive signal to a plurality of switching circuits and method of operation therefor. The synchronization controller, includes: (1) a plurality of dual threshold relaxation oscillators, coupled to a corresponding plurality of storage devices, that each assume a first state when a characteristic across a corresponding storage device is below a first threshold value and a second state when the characteristic across the corresponding storage device is above a second threshold value, (2) an oscillator OR-ing circuit, coupled to outputs of the plurality of dual threshold relaxation oscillators, that, when a controlling one of the plurality of dual threshold relaxation oscillators assumes the first state, allows the controlling one of the plurality of dual threshold relaxation oscillators to control the plurality of dual threshold relaxation oscillators, (3) a plurality of frequency dividers, coupled to corresponding ones of the plurality of dual threshold relaxation oscillators, that divide an OR-ed output of the plurality of dual threshold relaxation oscillators and (4) a divider OR-ing circuit, coupled to outputs of the plurality of frequency dividers, that maintains a phase synchronization between the plurality of frequency dividers and provides the drive signal to the plurality of switching circuits.