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:
Jun. 01, 2021
Filed:
May. 28, 2019
Chiun Mai Communication Systems, Inc., New Taipei, TW;
Chih-Hung Lai, New Taipei, TW;
Chiun Mai Communication Systems, Inc., New Taipei, TW;
Abstract
An antenna structure applied in a stylus includes a first radiating portion, a second radiating portion, and a main body. The second radiating portion corresponds to the first radiating portion. The main body covers the first radiating portion and the second radiating portion. The first radiating portion electrically connects to a feed source to feed in current, the first radiating conducts the current to activate a first mode to generate radiating signals, the main body couples the current from the first radiation portion, the second radiating portion couples the current from the main body, the first radiating portion, the main body, and the second radiating portion conduct the current and connect to ground to activate a second mode to generate radiation signals. A stylus using the antenna structure is also provided.