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. 30, 2021
Filed:
Oct. 31, 2019
Smart Technologies Ulc, Calgary, CA;
SMART TECHNOLOGIES ULC, Calgary, CA;
Abstract
An interactive input system, a tool and a method for detecting the tool's identity in the interactive input system are provided, in which a touch location of the tool is detected. The system comprises a plurality of antennas. A set of selected antennas associated with the touch location are activated to generate electromagnetic field, thereby activating the tool to send out a unique identifier associated with an attribute of the pen tool. The unique identifier is received and detected by the interactive input system to determine the attribute of the pen tool. The pen tool comprise at least one coil, and at least one NFC transponder, wherein the at least one coil is activated by electromagnetic field to power the NFC transponder for transmitting the unique identifier.