Local area network of serial intelligent cells
First Claim
1. A device for coupling signals between first and second coaxial cables, the first coaxial cable being connected to carry a first bi-directional digital data signal in a first digital data frequency band, and the second coaxial cable being connected to carry a second bi-directional digital data signal in a second digital data frequency band, and each of the coaxial cables being connected to carry, multiplexed with the respective digital data signal, an analog video signal in an analog video signal frequency band distinct from each of the first and second digital data frequency bands, said device comprising:
- a first coaxial connector connectable to the first coaxial cable;
a second coaxial connector connectable to the second coaxial cable;
a first filter coupled between said first and second coaxial connectors and operative for substantially passing only signals in the analog video signal frequency band for passing the analog video signals between the first and second coaxial cables;
a second filter coupled to said first coaxial connector and operative for substantially passing only signals in the first digital data frequency band;
a first coaxial cable modem coupled to said second filter for conducting the first bi-directional digital data signal over the first coaxial cable;
a third filter coupled to said second coaxial connector and operative for substantially passing only signals in the second digital data frequency band;
a second coaxial cable modem coupled to said third filter for conducting the second bi-directional digital data signal over the second coaxial cable;
a power port connectable to receive a power signal from a power signal source;
a power supply coupled between said power port and said first coaxial cable modem for powering said first coaxial cable modem from the power signal; and
a single enclosure housing said filters, said power supply, said modems and said connectors,wherein;
said first and second coaxial cable modems are coupled to each other for passing digital data between the first and second coaxial cables; and
said device is addressable in a local area network.
11 Assignments
0 Petitions
Accused Products
Abstract
A device for coupling signals between first and second coaxial cables, the first coaxial cable being connected to carry a first bi-directional digital data signal in a first digital data frequency band, and the second coaxial cable being connected to carry a second bi-directional digital data signal in a second digital data frequency band, and each of the coaxial cables being connected to carry, multiplexed with the respective digital data signal, an analog video signal in an analog video signal frequency band distinct from each of the first and second digital data frequency bands.
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Citations
129 Claims
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1. A device for coupling signals between first and second coaxial cables, the first coaxial cable being connected to carry a first bi-directional digital data signal in a first digital data frequency band, and the second coaxial cable being connected to carry a second bi-directional digital data signal in a second digital data frequency band, and each of the coaxial cables being connected to carry, multiplexed with the respective digital data signal, an analog video signal in an analog video signal frequency band distinct from each of the first and second digital data frequency bands, said device comprising:
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a first coaxial connector connectable to the first coaxial cable; a second coaxial connector connectable to the second coaxial cable; a first filter coupled between said first and second coaxial connectors and operative for substantially passing only signals in the analog video signal frequency band for passing the analog video signals between the first and second coaxial cables; a second filter coupled to said first coaxial connector and operative for substantially passing only signals in the first digital data frequency band; a first coaxial cable modem coupled to said second filter for conducting the first bi-directional digital data signal over the first coaxial cable; a third filter coupled to said second coaxial connector and operative for substantially passing only signals in the second digital data frequency band; a second coaxial cable modem coupled to said third filter for conducting the second bi-directional digital data signal over the second coaxial cable; a power port connectable to receive a power signal from a power signal source; a power supply coupled between said power port and said first coaxial cable modem for powering said first coaxial cable modem from the power signal; and a single enclosure housing said filters, said power supply, said modems and said connectors, wherein; said first and second coaxial cable modems are coupled to each other for passing digital data between the first and second coaxial cables; and said device is addressable in a local area network. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30)
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31. A network for respectively coupling first and second bi-directional serial digital data signals to first and second data units and for coupling an analog signal to an analog set, said network comprising:
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a first coaxial cable comprising two conductors connected for carrying the analog signal in an analog signal frequency band frequency multiplexed with the first bi-directional digital data signal in a first digital data frequency band that is distinct from the analog signal frequency band; a second coaxial cable distinct from said first coaxial cable and comprising two conductors connected for carrying the analog signal in the analog signal frequency band frequency multiplexed with the second bi-directional second digital data signal in a second digital data frequency band that is distinct from the analog signal frequency band; a first device enclosed in a first single enclosure and connected between said first and second coaxial cables, said first device being operative to transparently pass signals in the analog signal frequency band and pass digital data between said first and second coaxial cables, said first device further comprising a port couplable to a first data unit for coupling the first and second bi-directional digital data signals to the first data unit; and a second device enclosed in a second single enclosure connected to second coaxial cable, said second device comprising an analog connector connectable to an analog set for coupling the analog signal to the analog set, said second device further comprising a port couplable to a second data unit for coupling the second bi-directional digital data signal to the second data unit, wherein each of said first and second devices is addressable as part of the network. - View Dependent Claims (32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58)
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59. A device for coupling digital data between first and second coaxial cables, each coaxial cable being connected for carrying an analog signal frequency multiplexed with a bi-directional digital data signal, wherein, the digital data signal carried in each coaxial cable is in a digital data frequency band and the analog signal carried in each coaxial cable is in an analog signal frequency band distinct from the digital data frequency band of the digital data signal carried in the same coaxial cable, said device comprising:
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a first coaxial connector for connecting to the first coaxial cable; a second coaxial connector for connecting to the second coaxial cable; a first filter coupled between said first and second coaxial connectors and operative for substantially passing only signals in the digital data frequency bands and for substantially stopping signals in the analog signal frequency bands, for passing digital data signals between the first and second coaxial cables; and a single enclosure housing said first high pass filter and said coaxial connectors. - View Dependent Claims (60, 61, 62, 63, 64, 65)
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66. A device for passing digital data between a first bi-directional digital data signal in a first digital data frequency band and a second bi-directional digital data signal in a second digital data frequency band, the first and second digital data frequency bands each being and wherein at least the first bi-directional digital data signal is carried over a coaxial cable, said device comprising:
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a first port for coupling to the first digital data signal; a second port for coupling to the second digital data signal; a first filter coupled to said first port and operative for substantially passing only signals in the first digital data frequency band and for substantially stopping signals in an analog signal frequency band distinct from the first and second digital data frequency bands; a first coaxial cable modem coupled to said first filter for conducting the first bi-directional digital data signal in the first digital data frequency band; a second filter coupled to said second port and operative for substantially passing only signals in the second digital data frequency band and for substantially stopping signals in the analog signal frequency band; a second coaxial cable modem coupled to said second filter for conducting the second bi-directional digital data signal in the second digital data frequency band; and a single enclosure housing said filters, said coaxial cable modems and said ports, wherein; said first and second coaxial cable modems are coupled to each other for passing digital data between said first and second ports; at least one out of said first and second filters is a low pass filter; and said device is addressable in a local area network. - View Dependent Claims (67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79)
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80. A device that is part of a local area network in a building for coupling a digital data signal to multiple data units, the local area network including at least part of an existing coaxial cable that is at least in part in walls of the building and is terminated by an outlet, the coaxial cable being connected for carrying a frequency multiplexed analog service signal and a digital data signal, said device comprising:
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a coaxial connector for connecting said device to the coaxial cable; a modem coupled to said coaxial connector for bi-directional digital data signal communication with one or more additional modems of the same type over the coaxial cable; a first data connector for connecting to a first data unit; a first data transceiver coupled between said first data connector and said modem and operative to effect point-to-point full-duplex serial digital data communication with the first data unit for coupling the bi-directional digital data signal to the first data unit; a second data connector for connecting to a second data unit; a second data transceiver coupled between said second data connector and said modem and operative to effect point-to-point full-duplex serial digital data communication with the second data unit for coupling the bi-directional digital data signal to the second data unit; and a single enclosure housing said coaxial connector, said modem, said first and second data connectors and said first and second data transceivers; wherein said device is addressable in the local area network. - View Dependent Claims (81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96)
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97. A device for coupling a digital data signal carried in a local area network in a building to a data unit and to an analog unit, the network including at least part of an existing coaxial cable that is at least in part in walls of the building and is terminated by an outlet, the coaxial cable being connected for carrying a frequency multiplexed analog service signal and a digital data signal, said device comprising:
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a coaxial connector for connecting said device to the coaxial cable; a modem coupled to said coaxial connector for bi-directional digital data signal communication over the coaxial cable with one or more modems of the same type; a data connector for connecting to the data unit; a data transceiver coupled between said data connector and said modem, said data transceiver being operative for full-duplex serial communication of the digital data signal with the data unit, for coupling the digital data signal to the data unit; an analog connector for coupling an analog signal to the analog unit; a converter between analog and digital data signals coupled between said modem and said analog connector; and a single enclosure housing said coaxial connector, said modem, said data connector, said data transceiver, said converter and said analog connector, wherein said device is addressable in the local area network, the analog unit is an analog sensor for sensing a physical phenomenon, and said converter is an analog to digital converter. - View Dependent Claims (98, 99, 100, 101, 102, 103, 104, 105, 106, 107)
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108. A device for coupling signals between first and second point-to-point wiring segments and a coaxial cable in a building, each wiring segment comprising at least one twisted wire pair, the coaxial cable being connected to carry a first bi-directional digital data signal in a digital data frequency band, said device comprising:
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a coaxial connector for connecting to the coaxial cable; a filter coupled to said coaxial connector and operative for substantially passing only signals in the digital data frequency band; a coaxial cable modem coupled to said filter for packet-based bi-directional digital data communication over the coaxial cable; a first data connector for connecting to said first wiring segment; a first data transceiver coupled to said first data connector for point-to-point packet-based full-duplex communication over said first wiring segment; a second data connector for connecting to said second wiring segment; a second data transceiver coupled to said second data connector for point-to-point packet-based full-duplex communication over said second wiring segment; a power supply including an AC/DC converter coupled to DC power said coaxial cable modem and said first and second data transceivers; and a single enclosure housing said filter, said connectors, said power supply and said coaxial cable modem, wherein; said first data transceiver is coupled to said coaxial cable modem for passing data between said first wiring segment and the coaxial cable; said second data transceiver is coupled to said coaxial cable modem for passing data signals between said second wiring segment and the coaxial cable; and said device is addressable in a local area network. - View Dependent Claims (109, 110, 111, 112, 113, 114, 115, 116, 117, 118, 119, 120, 121, 122, 123, 124, 125, 126, 127, 128, 129)
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Specification