Patent ID: 9578685
Date: 2017-02-21
CPC Classifications: G06K,H04W

Claim:
1. A communication gateway comprising: a first communication interface for communicating, over a first communication network, with a mobile terminal; a second wireless communication interface for communicating, over a second communication network, with at least one external device; electrical energy recovery means for recovering electrical energy supplied by the mobile terminal; a non-volatile memory powered by the electrical energy recovered; and a microcontroller connected to the non-volatile memory and configured to exchange data with the mobile terminal over the first communication network and with the external device over the second communication network, wherein the communication gateway includes the electrical energy recovery means, without including an electrical power supply source, the communication gateway is configured to be powered by the mobile terminal via a first power supply channel and a second power supply channel different from the first power supply channel, the communication gateway is configured to receive, from the mobile terminal and while powered via the first power supply channel, a request for the external device, and the communication gateway is configured to transmit, while powered via the second power supply channel and after the first power supply channel has been cut, the request to the external device.