Patent ID: 8844811
Filing Date: 2014-09-30
Classification: G07C

Abstract:
1. A system for controlling a door lock comprising: a QR scanner in communication with a processor, said processor having access to memory, said memory storing a current date and time, said processor in communication with a door lock mechanism adapted to open said door lock; a set of executable instructions executing in said processor; a table stored in said memory, said table containing at least one particular QR code currently valid for said door lock; said one particular QR code including at least a check-in date, a check-out date and a lock ID; said executable instructions configured to compare QR codes received at said QR scanner with QR codes stored in said table, QR codes received at the QR scanner displayed on a handheld device by a user, said user having received at least one QR code on said handheld device by email or by photographing it, and upon finding a match between a QR code received a the QR scanner and said one particular QR code, verifying that the current date and time are between the check-in date and the check-out date, and that the lock ID matches a stored lock ID for said door lock, said processor upon successfully performing said verifying, configured to send a command to said door lock mechanism to open said door lock; said executable instructions also configured to verify that said lock has opened, and to send a command to said door lock mechanism to re-lock after a predetermined period.