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:
Nov. 16, 2021
Filed:
Sep. 11, 2020
E Ink Holdings Inc., Hsinchu, TW;
Jia-Hong Xu, Hsinchu, TW;
Chuen-Jen Liu, Hsinchu, TW;
E Ink Holdings Inc., Hsinchu, TW;
Abstract
A proximity smart card including a card body, a first integrated circuit, a second integrated circuit, and a display element is provided. The first integrated circuit is disposed on the card body. The first integrated circuit is configured to receive a request command from the card reader, and output a first response command to the card reader. The second integrated circuit is disposed on the card body. The second integrated circuit is configured to receive the request command from the card reader, and delay an output of a second response command to the card reader. The display element is disposed on the card body. The second integrated circuit transmits to-be-displayed information to the display element. The display element displays an image according to the to-be-displayed information. In addition, a method for operating a proximity smart card is also provided.