Patent ID: 9137236
Filing Date: 2015-09-15
Classification: G07C,G08B,H04L,H04W

Abstract:
1. A method for reducing overflow caused by an appliance using a liquid, the method comprising: detecting if the appliance has undesirably emitted part of the liquid, generating an alarm event if the appliance has undesirably emitted part of the liquid, sending a certificate, via a cellular network, to a predetermined first party, wherein said certificate, upon said predetermined first party sending a lock/unlock command comprising said certificate, authorizes said first party to enter the location in which said appliance is located, and sending a digital authentication key for signing of said lock/unlock command comprising said certificate to said first party, wherein the certificate is associated with the digital authentication key, the certificate certifies the authenticity of the digital authentication key, and the digital authentication key comprises information identifying the first party, wherein the predetermined first party is a first server and wherein the method further comprises: the first server selecting a second party from a predetermined list, and the first server forwarding the certificate to the second party; wherein the selecting from the predetermined list is based on which party on the list is geographically closest to the location in which the appliance is located using Global Positioning System technique.