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. 20, 2015
Filed:
Feb. 05, 2013
Qualcomm Incorporated, San Diego, CA (US);
Wenqing Wu, San Diego, CA (US);
Peiyuan Wang, San Diego, CA (US);
Raghu Sagar Madala, San Diego, CA (US);
Senthil Kumar Govindaswamy, San Diego, CA (US);
Kendrick H. Yuen, San Diego, CA (US);
Robert P. Gilmore, Poway, CA (US);
Jung Pill Kim, San Diego, CA (US);
Seung H. Kang, San Diego, CA (US);
QUALCOMM INCORPORATED, San Diego, CA (US);
Abstract
A method and apparatus for generating random binary sequences from a physical entropy source having a state A and a state B by detecting whether the physical entropy source is in the state A or in the state B, attempting to shift the state of the physical entropy source to the opposite state in a probabilistic manner with less than 100% certainty, and producing one of four outputs based on the detected state and the state of the physical entropy source before the attempted shift. The outputs are placed in first and second queues and extracted in pairs from each queue. Random binary bits are output based on the sequences extracted from each queue.