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:
Jan. 28, 1997
Filed:
May. 23, 1994
Alan D Poeppleman, Fort Collins, CO (US);
AT&T Global Information Solutions Company (aka NCR Corporation), Dayton, OH (US);
Hyundai Electronics America, San Jose, CA (US);
Symbios Logic Inc., Fort Collins, CO (US);
Abstract
A digital data separator is provided for separating clock information and data from a data stream which is subject to varying amounts of undesired jitter which tend to corrupt the data. A read data window of controlled duration is generated for sampling the input data. The current best estimate of the duration of the read data window is stored in a period register as a period register value. The period register value minus one is loaded into a time register as the time register value. A count down cycle is performed by subtracting a value of one from the time register value in each clock cycle during the course of the count down cycle. The read data window is toggled to begin a new read data window when the time register value is near zero, the value remaining in the time register being designated the remaining value.