Patent EA-001528-B1 (EA)
Title: Photonic distribution apparatus for a home areanetwork
IPC: H04B10/272
Filed: 1998-01-22
Abstract: 1. A photonic distribution apparatus for a home area network having a plurality of subscribers, the apparatus comprising: an optical transmission medium having at least one transmit and one receive pathway, said optical transmission medium for conveying a communications data signal containing a plurality of distribution instruction segments; a microcontroller circuit having a photonic interface converting optical transmission to an electrical signal transmission, and an extractor for culling said distribution instruction segments from said electrical signal transmission; a communications routing circuit responsive to a distribution instruction from said microcontroller circuit, said routing circuit having a plurality of fiberoptic switches in fiberoptic communication with one another, wherein a first fiberoptic switch of said plurality of fiberoptic switches has an input terminal photonically connected to said one receive pathway, and a last fiberoptic switch of said plurality of fiberoptic switches has an output terminal photonically connected to said transmit pathway. 2. The photonic distribution apparatus of claim 1 further comprising: a second optical transmission medium having at least one transmit and one receive pathway, said second optical transmission medium for redundantly conveying said communications data signal containing a plurality of distribution instruction segments; and a second communications routing circuit responsive to said distribution instruction from said microcontroller circuit, said second routing circuit having a second plurality of fiberoptic switches in fiberoptic communication with one another, wherein a first fiberoptic switch of said second plurality of fiberoptic switches has an input terminal photonically connected to said one receive pathway, and a last fiberoptic switch of said plurality of fiberoptic switches has an output terminal photonically connected to said transmit pathway. 3. The photonic distribution apparatus of claim 1 wherein said first and said second optical transmission mediums are fiberoptic cable. 4. The photonic distribution apparatus of claim 1 wherein said first and said second optical transmission mediums are embedded in an electrical cable having a plurality of electrical power conductors. 5. The photonic distribution apparatus of claim 4 further comprising: a high-voltage enclosure; a low-voltage enclosure, said microcontroller circuit and said communications routing circuit contained in said low-voltage enclosure; and a high-voltage transformer contained within said high-voltage enclosure, said transformer electrically connected to said plurality of electrical power conductors of said electrical cable and said first and second optical transmission mediums photonically. 6. The photonic distribution apparatus of claim 5 further comprising: a second optical transmission medium having at least one transmit and one receive pathway, said second optical transmission medium for redundantly conveying said communications data signal containing a plurality of distribution instruction segments; and a second communications routing circuit responsive to said distribution instruction from said microcontroller circuit, said second routing circuit having a second plurality of fiberoptic switches in fiberoptic communication with one another, wherein a first fiberoptic switch of said second plurality of fiberoptic switches has an input terminal photonically connected to said one receive pathway, and a last fiberoptic switch of said plurality of fiberoptic switches has an output terminal photonically connected to said transmit pathway. 7. A subscriber area network for distributing data from an external communications data network, the subscriber area network comprising: a head-end communications circuit for formatting a plurality of communications network segment data into a multiplexed data signal transmittable through a photonic multi-access channel having a downstream channel and an upstream channel, said head-end communications circuit having a bi-directional interface electrically connectable to the external communications data network and to said photonic multi-access channel; at least one communications routing circuit in bilateral communication with said head-end communications circuit through said multi-access channel, each said routing circuit having a microcontroller circuit with a photonic interface for converting an optical transmission to a corresponding electrical signal transmission, and an extractor for culling a distribution instruction segment from said multiplexed data signal, said microcontroller circuit bi-directionally routing said multiplexed data signal through a plurality of subscriber terminals each having a downstream terminal and an upstream terminal; and at least one station module photonically connectable to said upstream terminal and said downstream terminal of a subscriber terminal of said plurality of subscriber terminals. 8. The subscriber area network of claim 7 wherein said at least one routing circuit has a plurality of fiberoptic switches in fiberoptic communication with one another, wherein a first fiberoptic switch of said plurality of fiberoptic switches has an input terminal photonically connected to said downstream channel, and a last fiberoptic switch of said plurality of fiberoptic switches has an output terminal photonically connected to said upstream channel.