| 20090066476 | Method of self-service access control for frequent guests of a housing facility - An improved electronic lock with keyless, card-less digital key system is provided for use in residential and commercial buildings. The invention describes a novel method of self-service remote assignment and access authorization to the facility for a specified period of time, and consequent contact-less operation of door locks by means of a mobile device. The method requires no interaction with the facility's front desk or reception or management for checking in, checking out, payments, or access key pick up or drop off. | 03-12-2009 |
