Electric lamp and discharge devices: systems – Plural load device systems – Electric switch in the supply circuit
Reexamination Certificate
2003-12-08
2009-06-30
Owens, Douglas W (Department: 2821)
Electric lamp and discharge devices: systems
Plural load device systems
Electric switch in the supply circuit
C315S321000, C307S040000
Reexamination Certificate
active
07554274
ABSTRACT:
The present invention provides a master-slave architecture for a radio frequency RF networked lighting control system having all slave elements (ballasts) configured as backups for a network master control unit. In the system and method of the present invention a slave element can become the network master network unit without reconfiguring the network and without any human intervention. Similarly, both a master and one or more slave elements may recover from a temporary outage without necessitating reconfiguration of the network and without any human intervention.
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Giannopoulos Demetri J.
Wang Ling
A Minh D
Koninklijke Philips Electronics , N.V.
Owens Douglas W
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