Communications: electrical – Condition responsive indicating system – Specific condition
Reexamination Certificate
2006-05-30
2006-05-30
Goins, Davetta W. (Department: 2632)
Communications: electrical
Condition responsive indicating system
Specific condition
C340S686200, C340S690000, C340S907000, C200S06145M, C200S061520, C356S138000
Reexamination Certificate
active
07053784
ABSTRACT:
A system for monitoring alignment of a signal lamp includes at least one sensor and threshold detection circuitry. The sensor is positioned about the signal lamp and is configured to measure at least one of azimuthal and elevational movement of the signal lamp and generate an electrical signal. The threshold detection circuitry is configured to receive signals representative of the azimuthal and elevational movement of the signal lamp from the sensor. The threshold detection circuitry determine a change in alignment of the signal lamp according to at least one of the azimuthal movement signals and the elevational movement signals.
REFERENCES:
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patent: 5556070 (1996-09-01), Viebrock
patent: 6222446 (2001-04-01), Hilleary
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patent: 6437517 (2002-08-01), Kramer
Andarawis Emad Andarawis
Berkcan Ertugrul
Cusano Dennis Dominic
Davenport David Michael
Gangadharan Ganesh Chandan
DiConza Paul J.
General Electric Company
Goins Davetta W.
Patnode Patrick K.
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