Registers – Systems controlled by data bearing records – Credit or identification card systems
Reexamination Certificate
2007-07-11
2009-10-13
Le, Thien M. (Department: 2887)
Registers
Systems controlled by data bearing records
Credit or identification card systems
C235S375000, C235S380000
Reexamination Certificate
active
07600679
ABSTRACT:
An automatic guidance system and method directs a person in a defined area. An access control device includes a selectively encoded readable element. An access control device reader is adapted to read the element of the access control device and selectively deny or allow a user access to a predetermined location. A communication device included in the access control device reader directs the user to the predetermined location.
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patent: 6069555 (2000-05-01), Skitek et al.
patent: 6127945 (2000-10-01), Mura-Smith
patent: 6164531 (2000-12-01), Harris et al.
patent: 6418372 (2002-07-01), Hofmann
patent: 6924741 (2005-08-01), Tamayama et al.
patent: 7375634 (2008-05-01), Sprague
patent: 2005/0033962 (2005-02-01), Libin et al.
patent: 2007/0164102 (2007-07-01), Haertel
Kshirsagar Sachin R.
Subbaiah Ramesh
Subbiah Siva
Honeywell International , Inc.
Husch Blackwell Sanders Welsh & Katz
Le Thien M.
Taylor April A
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