Communications: electrical – Selective – Intelligence comparison for controlling
Reexamination Certificate
2006-05-26
2010-06-08
Brown, Vernal U (Department: 2612)
Communications: electrical
Selective
Intelligence comparison for controlling
C340S870030, C340S005640, C340S005650, C340S005500, C379S102060, C379S102010
Reexamination Certificate
active
07733213
ABSTRACT:
Methods, systems and computer program products provide time-restricted passcode access to a restricted access area by: (a) electronically generating a time-limited visitor access passcode that is operational for a security system for a limited time duration; then (b) electronically accepting the visitor access passcode in a security entry control access device in communication with the security system to allow a user with the visitor access passcode a time-limited entry to a restricted area; then (c) automatically electronically preventing user access to the restricted area using the visitor access passcode with the security entry control access device after a certain time or expiration of a certain time period. Embodiments of the invention may be particularly useful for allowing visiting meeting participants physical access to a restricted area in a building to attend a scheduled meeting.
REFERENCES:
patent: 5705991 (1998-01-01), Kniffin et al.
patent: 6728351 (2004-04-01), Ahlstrom et al.
patent: 2003/0125023 (2003-07-01), Fishler
AT&T Intellectual Property I L.P.
Brown Vernal U
Myers Bigel Sibley & Sajovec P.A.
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