Lockbox key with callback feature

Details Lockbox key with callback feature Lockbox key with callback feature

2011-02-01

2011-02-01

Lee, Benjamin C (Department: 2612)

Communications: electrical

Selective

Intelligence comparison for controlling

C340S005200, C340S005280, C340S007500, C340S005500

Reexamination Certificate

active

07880584

ABSTRACT:
An access device is provided for a system that has a plurality of locks that are each configured to receive instructions and to energize a lock mechanism to unlock the lock and a computer that is disposed at a remote location from the locks and that is connected to a primary wireless communication path. The access device includes at least one key configured for communicating with the computer via the primary wireless communication path and to communicate with the locks over a secondary wireless path. The at least one key is also configured to send a predefined text message for receipt by the computer and wherein the predefined text message provides an indication to the computer as to at least one other key whereto the predefined text message is to be sent.

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patent: 2004/0160304 (2004-08-01), Mosgrove et al.
patent: 2005/0074023 (2005-04-01), Wall
patent: 2006/0092644 (2006-05-01), Mok et al.

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