Telecommunications – Receiver or analog modulated signal frequency converter – Signal selection based on frequency
Patent
1987-12-11
1991-07-16
Eisenzopf, Reinhard J.
Telecommunications
Receiver or analog modulated signal frequency converter
Signal selection based on frequency
340310CP, 455612, 455617, H04B 1012
Patent
active
050331124
ABSTRACT:
A power and communication system for a building, and particularly a residential dwelling wherein there are provided a plurality of receptacles throughout the building, each connected by a cable to source, which may provide different voltages and either AC or DC and having a control interface for selectively switching the desired power to each cable individually. The control interface may also connect each cable to a selected signal transmission line, such as telephone, radio, TV, etc. The cable includes a pair of power conductors and a optical fiber which transmits to and receives from the control interface light signals informing the control interface what power or communication connection is required for a particular receptacle and possibly at the same time providing signal messages to each receptacle. The single optical cable can transmit an interrogating signal to the receptacle, which signal is transferred through a special plug and socket connection have a mating optical coupler to an appliance equipped with a microprocessor programmed for replying by way of light signals sent back to the interface through the same coupler and optical fiber. The control interface is thus informed as to what power and communication connections the appliance requires and to how the appliance should be subsequently monitored.
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EPRI Journal Nov. 1986, "The Smart House: Wired for the Electronic Age".
Electrical Equipment News--Mar. 1987, "Smart House is Tops in Technology".
Electronics--Jul. 1985, "Will Smart House Provide Shelter for High-Tech Firms?"
Professional Builder--Dec. 1986, "Smart House--Most Revolutionary Change in Housing Since Indoor Plumbing".
Closed Loop Programmable Power--A Smart House Innovation John A. Edgar--presented in Stockholm Jun. 1987.
Bowling Geoffrey N.
Goodwin John C.
Beek L. Van
Eisenzopf Reinhard J.
Northern Telecom Limited
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