G - Physics – 02 – B
Patent
G - Physics
02
B
339/57, 339/58,
G02B 6/38 (2006.01) H04H 20/84 (2009.01) G02B 6/32 (2006.01) G02B 6/35 (2006.01) G02B 6/42 (2006.01) H01R 13/66 (2006.01) H01R 29/00 (2006.01) H02J 13/00 (2006.01) H04B 10/12 (2006.01)
Patent
CA 1309886
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 a 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 an 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 having 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 how the appliance should be subsequently monitored. In order to allow the use of appliances which are not equipped with a microprocessor, the plug of such an appliance can be equipped with a retro- reflective element located to align with the coupler of the socket so that a reflected signal informs the control interface that the appliance must be supplied with power of conventional frequency and voltage. In the disclosed system, the receptacles are not supplied with power until a suitable equipped appliance is plugged in or turned on, thus improving the safety of the power supply, and since only slightly modified socket and plug combinations are used, the system and appliances are compatible with conventions outlets and appliances. Communication signals for telephone, TV. and monitoring systems can be transmitted through the same receptacles provided for power outlets.
615840
Bowling Geoffrey Nelson
Goodwin John Charles
Goudreau Gage Dubuc
Nordx/cdt Inc.
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