Mains wire antenna for wireless interface applications
First Claim
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1. A device (10) for wireless control of a lamp (30), the device comprising:
- a control interface (4, 6), and a body for emitting light wherein the control interface is connected to a mains network (1) comprising at least two mains wires, and wherein at least one of the mains wires is used as a first antenna for wireless control of the lamp.
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Abstract
The present invention deals with wireless control of a lamp such as a fluorescent lamp controlled by a ballast with a wireless control interface for RF communication. The receiver input and the transmitter output of the control interface module are connected to one or more mains wires by means of (a) coupling capacitor(s) or a Lecher line transformer. During operation the one or more mains wires serve as the lamp antenna.
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9 Claims
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1. A device (10) for wireless control of a lamp (30), the device comprising:
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a control interface (4, 6), and a body for emitting light wherein the control interface is connected to a mains network (1) comprising at least two mains wires, and wherein at least one of the mains wires is used as a first antenna for wireless control of the lamp. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. Use of at least one of the mains wires (1) connected to a lamp (30) as an antenna for wireless control of the lamp.
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9. A method of transmitting and/or receiving signals between a lamp (30) comprising a first antenna and a user unit comprising a second antenna (9), wherein at least a section of one of the mains wires (1) connected to the lamp is the first antenna.
Specification