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:
Aug. 13, 2019
Filed:
Jul. 31, 2018
Darfon Electronics Corp., Taoyuan, TW;
Sung-Fu Yang, Taoyuan, TW;
Chen-An Chang, Taoyuan, TW;
DARFON ELECTRONICS CORP., Toayuan, TW;
Abstract
A key structure including a baseplate, a key cap, a first lever, a second lever, a first magnetic member, a second magnetic member and a first buffer material is provided. The first magnetic member is disposed on the baseplate and located between the first lever and the second lever. The second magnetic member is disposed on the first lever and corresponding to the first magnetic member. The first magnetic member has a first portion. The second lever has a second central end. The first portion is adjacent to the second central end. When the key cap moves to a higher position, the first and second magnetic members move towards each other. The second magnetic member has a second portion and a third portion. The first buffer material is provided between the first and second portions and between the second central end and the third portion, respectively.