Communications: electrical – Condition responsive indicating system – With particular coupling link
Reexamination Certificate
2005-06-21
2005-06-21
Pham, Toan N. (Department: 2632)
Communications: electrical
Condition responsive indicating system
With particular coupling link
C340S539110, C340S539130, C340S870030
Reexamination Certificate
active
06909367
ABSTRACT:
A method of determining the exact location of an individual in a structure includes at least one transmitter unit, at least three receiver units and a central processing unit (CPU). A single transmitter unit is attached to each individual in the structure. If it is desired to control temperature adjacent the individual, a temperature sensor is also included in the transmitter unit. A panic button signal may also be included as one of the transmitter outputs. The CPU receives data from the at least three receivers and determines the location of each individual in the structure and whether the area they are in requires temperature modification. The CPU is preferably capable of opening and closing motorized drapes or operating lighting according to a time schedule. A panic button may be included in the transmitter and the controller programmed to seek assistance.
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patent: 5917425 (1999-06-01), Crimmins et al.
patent: 6348867 (2002-02-01), Myllymaki
patent: 6396413 (2002-05-01), Hines et al.
patent: 6539393 (2003-03-01), Kabala
Ersler Donald J.
Pham Toan N.
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