Communications: electrical – Continuously variable indicating – With meter reading
Patent
1989-12-07
1991-12-10
Yusko, Donald J.
Communications: electrical
Continuously variable indicating
With meter reading
340310R, 340310A, 362233, 362802, 315292, 315293, 315315, H04Q 900, F21P 502
Patent
active
050722166
ABSTRACT:
A track lighting system is provided including a power track electrically connected to electrical power lines in a building. A plurality of track lighting units are selectively engageable with the power track. Each track lighting unit includes a signal responsive switch that responds to signals transmitted over the power lines of a building. The track lighting system further includes a transmitter that is selectively engageable with the power circuitry to transmit signals to control the operation of the signal responsive switches and the track lighting units to which the switches are operatively connected.
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Casella Anthony J.
Hespos Gerald E.
Patel Ashok
Yusko Donald J.
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