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:
Sep. 21, 2021
Filed:
Apr. 16, 2020
Nanjing Chervon Industry Co., Ltd., Nanjing, CN;
Dezhong Yang, Nanjing, CN;
Zhao Hu, Nanjing, CN;
Dongyue Wang, Nanjing, CN;
Yang Wang, Nanjing, CN;
Yunfeng Hu, Nanjing, CN;
Nanjing Chervon Industry Co., Ltd., Nanjing, CN;
Abstract
A power tool system includes a power tool; a battery pack detachably connected to the power tool, and a cloud server capable of wirelessly communicating with the power tool. The power tool includes a wireless communication unit configured to establish a wireless communication link with an external device and a file storage unit coupled to the wireless communication unit and configured to store content data in a preset data structure. The preset data structure includes a packet header configured for information transmission, a packet tail including a check bit, and a data packet body including a data length, a data type, a packet serial number, data content and an electronic serial number. A simple and efficient method of deduplicating data is used to release the memory space of the memory and improve data transmission efficiency.