| CPC G07F 17/12 (2013.01) [G06F 16/9554 (2019.01); G06Q 10/02 (2013.01); G07C 9/00309 (2013.01); G07C 9/00896 (2013.01); G07C 9/22 (2020.01); G07C 9/27 (2020.01); G07F 17/0028 (2013.01); G07C 2009/00769 (2013.01)] | 16 Claims |

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1. A wireless access control system network, in which a multi-level machine-readable code system and method are deployed for initiating and enabling contact-less access control to a device available for rental, access and use in an environment, by scanning multi-level machine-readable codes displayed in said environment using web-enabled mobile phones, said wireless access control system network comprising:
a web-enabled mobile phone deployed on and wirelessly connected to a wireless access control network, and having a mobile phone web-browser application and cache, to practice a facility-level access control method involving (i) scanning a facility-level machine-readable code displayed in said environment, and (ii) automatically directing the mobile phone web-browser application to a webpage specified by the facility-level machine-readable code, and whereupon, an application server stores a facility entry rental transaction identifier within the cache on said web-enabled mobile phone, identifying said web-enabled mobile phone as being involved to a device rental transaction; and
a web page server for serving one or more webpages displayed on said web-enabled mobile phone to enable selecting a device available for rental and access at a site selected within said environment, and renting the selected device for access at said selected site and use within said environment;
wherein, when selecting the device for rental, said facility entry rental transaction identifier stored within the cache on said web-enabled mobile phone is automatically linked with data attributes stored in a database on said wireless access control network, specifying the rented device selected for access and control at the selected site for use within said environment; and
wherein said web-enabled mobile phone is configured to practice a device-level access control method involving (i) scanning a device-level machine-readable code on said rented device using said web-enabled mobile phone, and (ii) using said facility entry rental transaction identifier stored within the cache on said web-enabled mobile phone to enable access to said rented device at said selected site, for use within said environment.
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