Control apparatus and control method for managing...

Details Control apparatus and control method for managing... Control apparatus and control method for managing...

2005-12-13

2005-12-13

Hofsass, Jeffery (Department: 2636)

Communications: electrical

Systems

Selsyn type

C340S315000

Reexamination Certificate

active

06975211

ABSTRACT:
The present invention relates to a control apparatus for managing communications between a plurality of electric appliances connected to a household power line network. The apparatus transmits a plurality of types of modulation method control signals to each of the plurality of electric appliances, each type of control signal utilizing a different modulation method. When receiving a response from each electric appliance, the apparatus detects to which type of modulation method control signal the response was made and judges the type of the modulation method that is utilized in each electric appliance based on the detection.

REFERENCES:
patent: 4429299 (1984-01-01), Kabat et al.
patent: 4580276 (1986-04-01), Andruzzi et al.
patent: 5084903 (1992-01-01), McNamara et al.
patent: 5410292 (1995-04-01), Le Van Suu
patent: 6349111 (2002-02-01), Huloux
patent: 6405261 (2002-06-01), Gaucher
patent: 6854059 (2005-02-01), Gardner
patent: 2004/0024913 (2004-02-01), Ikeda et al.
patent: 2002-084658 (2002-03-01), None
English Language Abstract of JP 2002-084658.

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