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:
Dec. 13, 2005
Filed:
May. 03, 2002
Applicants:
Jiening AO, Suwanee, GA (US);
Thai-bao H. Kien, Norcross, GA (US);
Inventors:
Jiening Ao, Suwanee, GA (US);
Thai-Bao H. Kien, Norcross, GA (US);
Assignee:
Scientific-Atlanta, Inc., Lawrenceville, GA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06J001/00 ;
U.S. Cl.
CPC ...
Abstract
A low cost white noise generator. An oscillator provides a signal to an analog-to-digital (AID) converter for digitizing. A bit-order reversal circuit reverses the order of the received bits, wherein the reversal circuit provides bits having an order ranging from LSB to MSB. A digital-to-analog (D/A) converter subsequently converts the reversed digital signal back to an analog signal, which is a white noise signal due to the random nature of reversing the bits provided by the A/D converter.