Method and system for access control with modulated lights
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United States of America Patent
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Oct 15, 2019
Grant Date -
Dec 28, 2017
app pub date -
Nov 8, 2016
filing date -
Jun 24, 2016
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Abstract
A method for access control in an access control system for people or vehicles comprising at least one access control device. In the method the at least one access control device, using a selective modulation of the frequency, spatial modulation and/or optional temporal modulation of light emitted by a specified number of light sources, transmits information that can be received and demodulated by a mobile electronic device having a camera. The information sent by the access control device contains a unique ID of the access control device, which is used to control the access control device in accordance with data transmitted to the access control system by a mobile electronic device which receives the information transmitted.
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