Communications: electrical – Traffic control indicator
Reexamination Certificate
2005-05-03
2005-05-03
Pham, Toan N. (Department: 2632)
Communications: electrical
Traffic control indicator
C340S908000, C340S909000, C340S315000, C340S815400
Reexamination Certificate
active
06888474
ABSTRACT:
The present invention discloses a method, system, and computer readable medium for configuring an electronically steerable beam of a traffic signal light (234). The system comprises a wireless device (232) adapted to send at least one command to change a viewing angle of the traffic signal light (234), and a control unit (252) adapted to receive the command, the control unit (252) further adapted to send the command to the traffic signal light (234), wherein the command adjusts a viewing angle of at least a portion of the traffic signal light (234).
REFERENCES:
patent: 5132682 (1992-07-01), Higgins et al.
patent: 5309155 (1994-05-01), Hsien et al.
patent: 6323781 (2001-11-01), Hutchison
patent: 6441750 (2002-08-01), Hutchison
patent: 6450662 (2002-09-01), Hutchison
patent: 6577247 (2003-06-01), Giacaman
Hutchison Michael C.
Sharp Frank M.
Shinham Tom
Optisoft, Inc.
Pham Toan N.
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