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. 02, 2025
Filed:
Sep. 08, 2023
Honor Device Co., Ltd., Shenzhen, CN;
Lei Ma, Shenzhen, CN;
Bo Ma, Shenzhen, CN;
Chengyu Ma, Shenzhen, CN;
Yingke Fu, Shenzhen, CN;
Chao Wang, Shenzhen, CN;
Honor Device Co., Ltd., Shenzhen, CN;
Abstract
This application provides a signal transmission method and a related device. According to the signal transmission method, when two contact points on an electronic device are respectively in contact with two contact points on a keyboard, the electronic device may transmit a power signal and a GND signal to the keyboard through the contact points that are in contact with each other, that is, the electronic device may supply power to the keyboard. In addition, when a user presses a key on the keyboard to perform input, the keyboard may transmit key position information to the electronic device through a contact point that is in contact with the electronic device. In this signal transmission method, no Bluetooth chip needs to be built into the electronic device and the keyboard, reducing device costs.