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:
Oct. 25, 2022

Filed:

Jul. 27, 2020
Applicant:

Zhejiang Dahua Technology Co., Ltd., Zhejiang, CN;

Inventors:

Changhong Qin, Hangzhou, CN;

Shengguo Cao, Hangzhou, CN;

Shouyi Wang, Hangzhou, CN;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04N 9/80 (2006.01); G11B 27/00 (2006.01); G11B 27/10 (2006.01); H04N 5/93 (2006.01); H04N 5/77 (2006.01);
U.S. Cl.
CPC ...
G11B 27/10 (2013.01);
Abstract

The present disclosure relates to systems and methods video recording and video replaying. The method may include obtaining video data from a video recording device. The method may also include generating an index item corresponding to the video data if the video data includes a key frame, wherein the index item includes an index position of the video recording device corresponding to the key frame, and an offset address used to determine an address where the key frame is stored. The method may further include storing an index table including at least the index item in a video.


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