Invention Grant
- Patent Title: Two-way communication between an electronic card and a touchscreen device
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Application No.: US16398232Application Date: 2019-04-29
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Publication No.: US10551967B2Publication Date: 2020-02-04
- Inventor: Elwin Yui Hang Ha
- Applicant: Elwin Yui Hang Ha
- Agency: Eagle IP Limited
- Agent Jacqueline C. Lui
- Main IPC: G06F3/041
- IPC: G06F3/041 ; G06F3/03 ; G06F3/044 ; G06K19/067

Abstract:
Systems and methods of bi-directional communication between an electronic card and a touchscreen device is described. The method may include modulating an electrostatic field of the touchscreen device using touch communication channels; receiving visible light signals from the touchscreen device in response to the modified electrostatic field via one or more optical communication channels; ranking, by the electronic card, the optical communication channels according to the signal quality received from each optical communication channel; selecting at least one optical communication channel as preferred optical communication channel based on the ranking; and using the preferred optical communication channel and the touch communication channels for subsequent bi-directional communication.
Public/Granted literature
- US20190278457A1 TWO-WAY COMMUNICATION BETWEEN AN ELECTRONIC CARD AND A TOUCHSCREEN DEVICE Public/Granted day:2019-09-12
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