Communications: electrical – Condition responsive indicating system – Specified indicator structure
Reexamination Certificate
2008-05-27
2008-05-27
Lee, Benjamin C. (Department: 2612)
Communications: electrical
Condition responsive indicating system
Specified indicator structure
C340S468000
Reexamination Certificate
active
07378982
ABSTRACT:
Currently pre-printed signs are used for many functions and are not always appropriate or attractive. The present invention provides an electronic display with multiple pre-programmed messages. A particularly useful application is for preprogrammed messages to be displayed by a hotel guest on the corridor side of the hotel room door.
REFERENCES:
patent: 4852284 (1989-08-01), Faggiano
patent: 5953842 (1999-09-01), Bodell
patent: 5998925 (1999-12-01), Shimizu et al.
patent: 6236303 (2001-05-01), Wagner et al.
patent: 6768424 (2004-07-01), Morris
patent: 2006/0069749 (2006-03-01), Herz et al.
Lee Benjamin C.
Lu Shirley
LandOfFree
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