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.

Date of Patent:
Feb. 18, 2025

Filed:

Aug. 31, 2021
Applicants:

Beijing Boe Technology Development Co., Ltd., Beijing, CN;

Boe Technology Group Co., Ltd., Beijing, CN;

Inventor:

Xiangye Wei, Beijing, CN;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04L 9/32 (2006.01); H03K 3/03 (2006.01); H03K 3/84 (2006.01);
U.S. Cl.
CPC ...
H04L 9/3278 (2013.01); H03K 3/0315 (2013.01); H03K 3/84 (2013.01);
Abstract

Provided are a physical unclonable function device and an operation method thereof, and an electronic device. The device includes: a first signal generating circuit configured to generate a first clock signal of n-th period according to a control signal of the n-th period and an input signal of the n-th period; a second signal generating circuit configured to generate a second clock signal of the n-th period according to the control signal of the n-th period and the input signal of the n-th period; an output circuit configured to output an output signal of the n-th period according to the first and second clock signal of the n-th period; and a control circuit configured to process an initial control signal of the n-th period to obtain the control signal of the n-th period according to a reference value comprising a logic level of an output signal of (n−1)-th period.


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