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. 22, 2020
Filed:
Mar. 01, 2018
Zwipe As, Oslo, NO;
Jørgen Frandsen, Colorado, CO (US);
Devin Snell, Colorado Springs, CO (US);
ZWIPE AS, Oslo, NO;
Abstract
A smartcard includes contact pads for electrical connection to an external power source for provision of power to the smartcard in a contact mode of the smartcard, a contactless power harvesting system for provision of power to the smartcard in a contactless mode of the smartcard, and a main circuit on-board the smartcard for receiving and managing the power provided from the contact pads or from the contactless power harvesting system, where the main circuit includes components requiring power in order to provide the smartcard with required functionality, and where the main circuit is connected to the contact pads via a current limiting circuit for controlling the levels of current drawn via the contact pads, the current limiting circuit having an integrator.