Telephone communication system over a single telephone line

• US 7,466,722 B2
• Filed: 08/03/2004
• Issued: 12/16/2008
• Est. Priority Date: 04/18/2000
• Status: Expired due to Fees

• Current Assignee: Conversant Intellectual Property Management Inc (MOSAID Technologies Inc. (f/k/a Conversant Intellectual Property Management))
• Original Assignee: SercoNet Limited (Yehuda Binder, MBA)
• Inventors: Binder, Yehuda
• Primary Examiner(s): Qureshi, Afsar M.
• Application Number:
  US10/909,301
• Publication Number:
  US 20050008033A1
• Time in Patent Office: 1,596 Days
• Field of Search: 370352-357, 370/360, 370/401, 370/419, 370/420, 370/430, 370/463, 370/466, 370/467, 370/487, 370/493, 370/497, 379/93.01, 379/93.07, 379/93.14
• US Class Current: 370/493
• CPC Class Codes: H04L 5/16 Half-duplex systems; Simplex/duplex switching; Transmission of break signals non-automatically inverting the direction of transmission
• CPC Class Codes: H04M 1/715 using two or more extensions per line cordless telephones H04M1/725
• CPC Class Codes: H04M 11/062 using different frequency bands for speech and other data
• CPC Class Codes: H04M 11/068 using time division multiplex techniques; integrated services digital networks H04Q11/0428
• CPC Class Codes: H04M 9/025 Time division multiplex systems, e.g. loop systems
• CPC Class Codes: H04Q 11/0471 Terminal access circuits
• CPC Class Codes: H04Q 2213/13034 A/D conversion, code compression/expansion
• CPC Class Codes: H04Q 2213/13082 Power supply via phantom line
• CPC Class Codes: H04Q 2213/13166 Fault prevention
• CPC Class Codes: H04Q 2213/13199 Modem, modulation
• CPC Class Codes: H04Q 2213/1322 PBX
• CPC Class Codes: H04Q 2213/1323 Party line
• CPC Class Codes: H04Q 2213/13298 Local loop systems, access network
• CPC Class Codes: H04Q 2213/13299 Bus
• CPC Class Codes: H04Q 2213/1332 Logic circuits
• CPC Class Codes: H04Q 2213/13334 Key telephone systems
• CPC Class Codes: H04Q 2213/13389 LAN, internet

Abstract

A network for coupling at least one telephone service signal to at least one telephone device over a wiring. The network includes: a wiring having at least two conductors for carrying multiple time-domain multiplexed digitized voice channels; an exchange side device coupled to the wiring and operative to couple at least one telephone service signal to at least one digitized voice channel; and at least one subscriber side device coupled to the wiring and operative to couple the at least one telephone device to at least one digitized voice channel.

Claims

1. An outlet connectable to an analog device and to a wiring installed in a wall, the wiring carrying serial digital data that contains digitized analog data in a digital data frequency band, said outlet comprising:

a wiring connector operative for connecting to the wiring;

data conducting means comprising one out of a modem;

a transceiver;

a receiver; and

a transmitter, coupled to said wiring connector for conducting communication of the serial digital data over the wiring;

an analog connector connectable to the analog device for coupling an analog signal to the analog device;

a converter for converting between analog and digital signals coupled between said analog connector and said data conducting means, said converter including at least one of an analog-to-digital converter and a digital-to-analog converter; and

a single enclosure housing said wiring connector, said data conducting means, said analog connector, and said converter,

wherein said enclosure is dimensioned to be mountable into a standard outlet receptacle or opening in the wall.

2. The outlet according to claim 1, wherein the wiring consists of only two conductors, and the digital data frequency band is distinct from and higher than an analog telephony frequency band.

3. The outlet according to claim 2, wherein the wiring is a single telephone wire-pair, and said data conducting means is adapted to conduct the serial digital data over the telephone wire-pair.

4. The outlet according to claim 1, wherein:

the wiring is connected to simultaneously carry a service signal in a service signal frequency band using frequency multiplexing;

the service signal frequency band is distinct from the digital data frequency band; and

said outlet further comprises a filter coupled between said wiring connector and said data conducting means for substantially passing only the digital data.

5. The outlet according to claim 1, wherein said converter includes both an analog-to-digital converter and a digital-to-analog converter, and said data conducting means comprises a transceiver or a modem operative for bi-directional communication over the wiring.

6. The outlet according to claim 1, wherein said single enclosure is constructed to have at least one of the following:

a form substantially similar to that of a standard outlet;

wall mounting elements substantially similar to those of a standard wall outlet;

a shape allowing direct mounting in an outlet opening or cavity; and

a form to at least in part substitute for a standard outlet.

7. The outlet according to claim 1 operative for coupling voice or audio signals, wherein the analog device is a voice device, said analog connector is a standard voice connector, and the digitized analog data is a digitized voice.

8. The outlet according to claim 1, wherein the serial digital data signal is DSL based, and the data conducting means is a DSL modem.

9. The outlet according to claim 1 operative for telephony, wherein the analog device is an analog telephone set, said analog connector is a standard telephone connector, the analog signal is a telephone signal, and the digitized analog data is digitized telephony data.

10. The outlet according to claim 9, wherein the digitized telephony data is based on a PCM or ATM.

11. A system comprising two or more outlets, each outlet according to claim 9, wherein upon coupling said outlets to each other by connecting them to the wiring via respective wiring connectors, operative to support exchange/PBX-type features between connected analog telephone sets.

12. The system according to claim 11, wherein the exchange/PBX features are at least one of:

hold/call pick-up;

call transfer;

conference call;

intercom;

ringing all;

repertory dialing; and

memory dialing.

13. The system according to claim 11, wherein:

the exchange/PBX features include an intercom function; and

a telephone session can be executed between any two connected analog telephone sets.

14. The system according to claim 11, wherein the outlets are connected in a bus topology.

15. The system according to claim 11, wherein at least two of the outlets are connected in a point-to-point connection.

16. The outlet according to claim 1, wherein said data conducting means includes a transceiver that is operative to bi-directionally communicate with one or more identical transceivers over the wiring.

17. The outlet according to claim 1, wherein said data conducting means includes a transceiver that is operative to hi-directionally point-to-point communicate with only a single mating transceiver over the wiring.

18. The outlet according to claim 1 further operative for coupling an analog telephone signal carried over the wiring to an analog telephone set, the analog telephone signal being frequency multiplexed in an analog telephone frequency band distinct from the digital data frequency band, and wherein said outlet further comprises:

a standard analog telephone connector connectable to the analog telephone set; and

a filter coupled between said wiring connector and said standard telephone connector for substantially passing only the analog telephone signal.

19. The outlet according to claim 18 wherein the wiring is a telephone wire pair and said filter is a low pass filter.

20. The outlet according to claim 1 wherein:

the serial digital data further contains first digital data distinct from, and time multiplexed with, the digitized analog data;

said outlet is further operative for coupling the first digital data to a data unit; and

said outlet further comprises;

a standard digital data connector for connecting to the data unit; and

a time multiplexer/demultiplexer coupled between said data conducting means, said digital data connector and said converter, said time multiplexer/demultiplexer being operative to pass only the digitized analog data between said data conducting means and said converter and to pass only the first digital data between said data conducting means and said digital data connector.

21. The outlet according to claim 1 wherein:

the serial digital data contains multiple distinct digitized analog data streams; and

the outlet is further operative to couple multiple analog devices to the multiple distinct digitized analog data streams; and

said outlet further comprises;

a time multiplexer/demultiplexer having a master port and a plurality of slave ports, said time multiplexer/demultiplexer being operative to pass only a respective one of the digitized analog data streams between said master port and each of the slave ports, said master port being coupled to said data conducting means and one of said slave ports being coupled to said converter;

at least one additional analog connector connectable to an analog device for coupling an analog signal to the analog device; and

at least one additional converter for converting between analog and digital signals coupled between said additional analog connector and one of said slave ports, said additional converter including at least one of an analog-to-digital converter and a digital-to-analog converter.

22. An outlet for coupling first and second data units to wiring installed in a wall, the wiring being connected to carry bi-directional serial digital data in a digital data frequency band, the serial digital data including first and second digital data, said outlet comprising:

a wiring connector operative for connecting to the wiring;

a transceiver coupled to said wiring connector for conducting bi-directional serial digital data communication over the wiring;

first and second digital data ports for respectively coupling to the first and second data units;

a time multiplexer/demultiplexer coupled between said transceiver and said first and second digital data ports, said time multiplexer/demultiplexer being operative to pass only the first digital data between said transceiver and said first digital data port and to pass only the second digital data between said transceiver and said second digital data port;

a power port couplable to a power source and coupled to said transceiver and to said time multiplexer/demultiplexer for powering said transceiver and said time multiplexer/demultiplexer from the power source; and

a single enclosure housing said wiring connector, said transceiver, said first and second digital data ports, said time multiplexer/demultiplexer, and said power port,

wherein said enclosure is dimensioned to be wall-mountable into a standard outlet receptacle or opening.

23. The outlet according to claim 22, wherein the wiring consists of only two conductors, and wherein the digital data frequency band is distinct from and above an analog telephony frequency band.

24. The outlet according to claim 22, wherein the wiring is a single telephone wire-pair, and further wherein said transceiver is adapted to conduct the serial digital data over the telephone wire-pair.

25. The outlet according to claim 24, wherein the wiring is a telephone wire-pair, and further wherein said transceiver is adapted to conduct the serial digital data over the wiring.

26. The outlet according to claim 22, wherein the wiring is connected to simultaneously carry a service signal in a service signal frequency band using frequency multiplexing, wherein the service signal frequency band is distinct from the digital data frequency band, and wherein said outlet further comprises a filter for substantially passing only the digital data signal is coupled between said wiring connector and said transceiver.

27. The outlet according to claim 22, wherein at least one of the data units is a wired data unit, and said outlet further comprises a standard digital data connector coupled to said first digital data port and connectable to at least one wired data unit.

28. The outlet according to claim 22 wherein:

the first digital data is digitized analog signal data;

said outlet is further operative for coupling a wired analog unit to the digitized analog signal data; and

said outlet further comprises;

an analog connector connectable to the wired analog unit for coupling the digitized analog signal data to the wired analog unit; and

a converter for converting between analog and digital signals coupled between said analog connector and said first digital data port, said converter including at least one of an analog-to-digital converter and a digital-to-analog converter.

29. The outlet according to claim 28 operative for voice or audio, wherein the wired analog unit is a voice device, said analog connector is a standard voice connector, and the digitized analog signal data is digitized voice data.

30. The outlet according to claim 28 operative for telephony, wherein:

the wired analog unit is an analog telephone set;

said analog connector is a standard telephone connector;

the analog signal is a telephone signal; and

the digitized analog signal data is digitized telephony data.

31. The outlet according to claim 22, wherein said single enclosure is constructed to have at least one of the following:

a form substantially similar to that of a standard outlet;

all mounting elements substantially similar to those of a standard wall outlet;

a shape allowing direct mounting in an outlet opening or cavity; and

a form to at least in part substitute for a standard outlet.

32. The outlet according to claim 22, wherein said transceiver is operative to conduct bi-directional communication with one or more identical transceivers over the wiring.

33. The outlet according to claim 22, wherein said transceiver is operative to conduct full-duplex point-to-point communication with only a single mating transceiver over the wiring.

34. The outlet according to claim 22 further operative for coupling an analog telephone signal to an analog telephone set, the analog telephone signal being carried frequency multiplexed over the wiring in an analog telephone frequency band distinct from the digital data frequency band, and said outlet further comprises:

a standard analog telephone connector connectable to the analog telephone set; and

a filter coupled between said wiring connector and said standard telephone connector for substantially passing only the analog telephone signal.

35. The outlet according to claim 34 wherein the wiring is a telephone wire pair and said filter is a low pass filter.

36. An apparatus for configuring a local area network in a building, for use with first and second wiring segments each comprising two conductors for respectively carrying frequency division multiplexed first and second bi-directional serial digital data in respective first and second digital data frequency bands and respective first and second service signals in respective first and second service signal frequency bands, wherein the first and second digital data frequency bands are distinct from the first and second service signal frequency bands, said apparatus comprising:

first and second wiring connectors each connectable to a respective one of the first and second wiring segments;

first and second data filters each coupled to a respective one of said first and second wiring connectors, and operative to pass respective ones of the first and second digital data frequency bands;

first and second modems each respectively coupled to said first and second data filters for respectively conducting the first and second bi-directional serial digital data over respective ones of said first and second wiring segments;

a connector for connecting to a device;

a multiplexer having first, second and third ports, said multiplexer being operative to pass a first part of the first bi-directional serial digital data between said first and second ports and to pass a second part of the first bi-directional serial digital data between said first and third ports, wherein said first port is coupled to said first modem, the second port is coupled to said second modem and said third port is coupled to said connector; and

a single enclosure housing said connectors, said data filters, said modems and said multiplexer.

37. The apparatus according to claim 36 wherein said single enclosure is wall mountable.

38. The apparatus according to claim 36, wherein said single enclosure is constructed to have at least one of the following:

a form substantially similar to that of a standard outlet;

wall mounting elements substantially similar to those of a standard wall outlet;

a shape allowing direct mounting in an outlet opening or cavity; and

a form to at least in part substitute for a standard outlet.

39. The apparatus according to claim 36, wherein:

each of the first and second wiring segments consists of a respective one of first and second telephone wire pairs in walls of the building;

said first and second data filters are high pass filters; and

said first and second modems are telephone line modems operative to each conduct a respective one the first and second bi-directional serial digital data over respective ones of the first and second telephone wire pairs.

40. The apparatus according to claim 36, wherein:

first wiring segments consists of a telephone wire pair in walls of the building;

said first data filter is a high pass filter; and

said first modem is a telephone line modem operative to conduct the first bi-directional serial digital data over the telephone wire pair.

41. The apparatus according to claim 36, wherein said first modem is DSL based.

42. The apparatus according to claim 36, wherein said apparatus is electrically connectable and mechanically attachable to an outlet.

43. The apparatus according to claim 36, wherein at least one of said first and second modems is operative to bi-directionally communicate with one or more identical modems over the respective wiring segment.

44. The apparatus according to claim 36, wherein at least one of said first and second modems is operative to bi-directionally point-to-point communicate with only a single mating modem over the respective wiring segment.

45. The apparatus according to claim 36, wherein the first bi-directional serial digital data comprise first and second distinct data streams, and the apparatus is further operative to couple the device to the first part of first serial digital data and to couple the second wiring segment to the second part of the first serial digital data, and wherein said multiplexer is operative to pass the first part between said first and third ports and to pass the second part between said first and second ports.

46. The apparatus according to claim 45, wherein the first data stream is a digitized telephony stream, the device is a telephone set, and said apparatus is further operative to couple a telephone set to the digitized telephony stream, and the device is the telephone set.

47. The apparatus according to claim 46, wherein the telephone set is an analog telephone set and said apparatus is further operative to couple the analog telephone set to the digitized telephony stream, wherein:

said connector is an analog telephone connector; and

said apparatus further comprises a converter for converting between analog and digitized telephony signals coupled between said analog telephone connector and said third port of said multiplexer.

48. The apparatus according to claim 46, wherein the digitized telephony data is based on a PCM or ATM, and the multiplexer is a PCM multiplexer or an ATM multiplexer.

49. A system comprising two or more apparatuses, each apparatus according to claim 46, wherein two of said apparatus are couplable to each other by connecting them to one of the wiring segments via the respective wiring connectors, to support exchange/PBX-type features between the connected telephone sets.

50. The system according to claim 49, wherein one of the exchange/PBX features is one of:

hold/call pick-up;

call transfer;

conference call;

intercom;

ringing all;

repertory dialing; and

memory dialing.

51. The system according to claim 49, wherein the exchange/PBX features include an intercom function that allows a telephone session to be executed between any two connected telephone sets.

52. The system according to claim 49, wherein said apparatuses are connected in a bus topology.

53. The system according to claim 49, wherein two of said apparatuses are connected in a point-to-point connection.

54. The apparatus according to claim 36 further operative to couple a device to the first service signal, and said apparatus further comprises a further filter coupled to the first wiring connector for passing signals in the first service signal frequency band.

55. The apparatus according to claim 54 wherein said first service signal is an analog telephone signal, and said further filter is a low pass filter.

56. The apparatus according to claim 55 further operative to couple the analog telephone signal to an analog telephone set, and wherein said apparatus further comprises an analog telephone connector connectable to the analog telephone set and coupled to said low pass filter.