Entry adapters for conducting can signals and in-home network signals

• US 10,284,904 B2
• Filed: 01/25/2018
• Issued: 05/07/2019
• Est. Priority Date: 10/21/2008
• Status: Active Grant

• Current Assignee: PPC Broadband Incorporated (Belden Inc.)
• Original Assignee: PPC Broadband Incorporated (Belden Inc.)
• Inventors: Wells, Chad T., Egan, Jr., John M.
• Primary Examiner(s): Dubasky, Gigi L
• Application Number:
  US15/880,400
• Publication Number:
  US 20180152756A1
• Time in Patent Office: 467 Days
• Field of Search: 725 78
• CPC Class Codes: H04L 12/2801 Broadband local area networks
• CPC Class Codes: H04N 21/43615 Interfacing a Home Network, e.g. for connecting the client to a plurality of peripherals home Audio Video Interoperability [HAVI] data switching networks H04L12/2805
• CPC Class Codes: H04N 21/6118 involving cable transmission, e.g. using a cable modem
• CPC Class Codes: H04N 21/6168 involving cable transmission, e.g. using a cable modem
• CPC Class Codes: H04N 21/63 Control signaling related to video distribution between client, server and network components; Network processes for video distribution between server and clients or between remote clients, e.g. transmitting basic layer and enhancement layers over different transmission paths, setting up a peer-to-peer communication via Internet between remote STB's; Communication protocols; Addressing real-time session protocols H04L65/1101; distributed application using peer-to-peer [P2P] networks H04L67/104
• CPC Class Codes: H04N 7/104 Switchers or splitters

Abstract

An entry adapter allows downstream and upstream external signals to be conducted to a server interface of an internal client-server network and allows downstream and upstream external signals to be conducted to a client interface of the internal client-server network. The adapter also includes frequency band separation and blocking means for separating the client signals from the external signals based on the client signals having a higher frequency than the external signals, allowing the external signals to be conducted to only the server interface, allowing the client signals to be conducted through the second port means and the third port means, blocking the client signals from being conducted to the external network, and allowing the client signals to be conducted between the server interface and the client interface.

Claims

1. A cable television (CATV) entry adapter for conducting downstream and upstream CATV signals between a CATV network and a subscriber device, and conducting in-home network signals in an in-home network, the CATV signals occupying a CATV frequency band that is different from an in-home network frequency band occupied by the in-home network signals, the CATV entry adapter comprising:

CATV entry means for communicating with a CATV network;

primary port means for communicating with a first subscriber device;

secondary port means for communicating with a second subscriber device;

splitter means having an input terminal and at least two output terminals, wherein each of the at least two output terminals is configured to communicate with the secondary port means;

communication and blocking means for allowing downstream and upstream CATV signals to be communicated to the first subscriber device and blocking in-home network signals from being communicated to the CATV network;

wherein the communication and blocking means is connected between the CATV entry means and the splitter means;

wherein the communication and blocking means includes a low pass terminal that is configured to communicate with the CATV entry means, a high pass terminal that is configured to communicate with the splitter means, and a common terminal that is configured to communicate with the primary port means;

wherein the communication and blocking means is configured to allow both upstream and downstream CATV signals to communicate with the first subscriber device;

wherein the primary port means is configured to communicate with a server network interface and the secondary port means is configured to communicate with a client network interface;

wherein the communication and blocking means is configured to conduct only the downstream and upstream CATV signals between the CATV entry means and the primary port means;

wherein the communication and blocking means is configured to allow upstream and downstream CATV signals to be conducted through the low pass terminal, instead of allowing downstream CATV signals to be conducted to the client network interface, and instead of allowing upstream CATV signals to be conducted from the client network interface through the secondary port means and to the CATV entry means;

wherein the communication and blocking means is configured to allow downstream CATV signals to reach the server network interface with substantially no reduction in signal strength;

wherein the communication and blocking means is configured to allow the server network interface to deliver a higher quality network signal to the client network interface over the in-home network even when the network signals are passed through the splitter means;

wherein the secondary port means comprises a plurality of secondary ports in communication with the splitter means;

wherein the communication and blocking means is configured to only communicate in-home network signals in a predetermined high frequency band range through the high pass terminal, and at least partially prevent the CATV signals, which are outside the predetermined high frequency range, from being communicated through the high pass terminal; and

wherein the communication and blocking means is configured to only communicate signals in a predetermined low frequency band range through the low pass terminal, and at least partially prevent CATV signals outside the predetermined low frequency range from being communicated through the low pass terminal.

2. The CATV entry adapter of claim 1, wherein the server network interface is configured to convert multimedia content from downstream CATV signals into network signals to the client network interface, the client network interface is configured to communicate information constituting upstream CATV signals to the server network interface, and the server network interface is configured to convert the information constituting upstream CATV signals communicated from the client network interface into converted upstream CATV signals and allow the converted upstream CATV signals to be communicated to the common terminal of the downstream and upstream CATV communication and in-home network frequency band blocking device.

3. The CATV entry adapter of claim 1, wherein the splitter means and the communication and blocking means are passive electronic components.

4. The CATV entry adapter of claim 1, wherein power received by the entry adapter is received only through the CATV signals or the in-home network signals.

5. The CATV entry adapter of claim 1, wherein downstream and upstream CATV signals pass respectively from and to the CATV network through the communication and blocking means without substantial attenuation.

6. The CATV entry adapter of claim 1, wherein the communication and blocking means is configured to block in-home network signals within the in-home network signal frequency band of about 1125-1525 megahertz, and pass CATV signals within the CATV signal frequency band of 5-1002 megahertz.

7. The CATV entry adapter of claim 1, wherein the communication and blocking means comprises a diplexer configured to conduct downstream and upstream CATV signals in the CATV frequency band between the common terminal and the low pass terminal, and block in-home network signals in the in-home network signal frequency band from being conducted between the common terminal and the low pass terminal.

8. The CATV entry adapter of claim 1, wherein the CATV entry means is directly connected to the low pass terminal of the communication and blocking means without any intermediate components.

9. The CATV entry adapter of claim 1, wherein the high pass terminal of the communication and blocking means is directly connected to the input terminal of the splitter means without any intermediate components.

10. The CATV entry adapter of claim 1, wherein the common terminal of the communication and blocking means is directly connected to the primary port means without any intermediate components.

11. The CATV entry adapter of claim 1, wherein the primary port means is configured to be directly connected to the server network interface without any intermediate components.

12. The CATV entry adapter of claim 1, wherein the splitter means is configured to split a CATV network signal into a first CATV network signal copy and a second CATV network signal copy, conduct the first CATV network signal copy to one of the plurality of secondary ports, and conduct the second CATV network signal copy to another one of the plurality of secondary ports.

13. The CATV entry adapter of claim 1, wherein the in-home network signals are in the predetermined high frequency band range, and not in the predetermined low frequency band range.

14. The CATV entry adapter of claim 1, wherein the downstream and upstream CATV signals are in the predetermined low frequency band range, and not in the predetermined high frequency band range.

15. The CATV entry adapter of claim 1, wherein the downstream and upstream CATV signals and the in-home network signals are both made available to the server and client network interfaces so that the subscriber device can interact with not only the downstream and upstream CATV signals, but also the in-home network signals, and the communication and blocking means is configured to separate high and low frequency bands of signals so as to at least partially prevent high frequency in-home network signals from reaching the CATV network.

16. The CATV entry adapter of claim 1, wherein the server network interface is configured to store downstream CATV signals and supply network signals to the client network interface based on the stored downstream CATV signals.

17. The CATV entry adapter of claim 1, wherein the client network interface is configured to send and receive client signals to and from the subscriber device.

18. The CATV entry adapter of claim 1, wherein the splitter means comprises a four-way splitter.

19. The CATV entry adapter of claim 1, wherein the entry adapter is configured to eliminate a need for an in-home network frequency band rejection filter, while blocking in-home network signals from entering the CATV network, and while preserving a strength of the downstream CATV signal delivered to the subscriber device during operation of the entry adapter.

20. The CATV entry adapter of claim 1, wherein the predetermined low frequency band range is a CATV frequency range that encompasses both the upstream and downstream CATV signals.

21. The CATV entry adapter of claim 1, wherein the predetermined low frequency band range comprises a downstream frequency band range and an upstream frequency band range.

22. The CATV entry adapter of claim 21, wherein the downstream frequency band range comprises 54 MHz to 1002 MHz.

23. The CATV entry adapter of claim 21, wherein the upstream frequency band range comprises 5 MHz to 42 MHz.

24. The CATV entry adapter of claim 1, wherein the predetermined low frequency band range comprises 54 MHz to 1002 MHz.

25. The CATV entry adapter of claim 1, wherein the predetermined high frequency band range is an in-home network frequency band range of the in-home network signals.

26. The CATV entry adapter of claim 25, wherein the in-home network frequency band range is greater than a frequency band range employed for CATV signals.

27. The CATV entry adapter of claim 1, wherein the communication and blocking means is configured to confine transmission of the in-home network signals between the entry adapter, the server network interface, and the client network interface so as to prevent the in-home network signals from interfering with the CATV network.

28. The CATV entry adapter of claim 1, wherein the splitter means is limited to only one multiple-way splitter.

29. The CATV entry adapter of claim 1, wherein the communication and blocking means is limited to only one high-low frequency band diplexer.

30. The CATV entry adapter of claim 1, wherein the communication and blocking means is configured to allow the downstream CATV signals to be conducted between the CATV entry means and the primary port means without being split.

31. The CATV entry adapter of claim 1, wherein the splitter means comprises a multiple-way splitter having a plurality of output terminals each configured to communicate with one of the plurality of secondary ports.

32. The CATV entry adapter of claim 31, wherein the plurality of output terminals of the splitter means are each configured to be directly connected to one of the plurality of secondary ports without any intermediate components.

33. The entry adapter of claim 1, wherein the client signals are multi-media over coaxial alliance protocol signals.

34. A cable television (CATV) entry adapter for allowing two-way, downstream and upstream CATV signals to be conducted between a CATV network and a client device, allowing client signals to be conducted in a client-server network, and preventing the client signals from being conducted to the CATV network, the CATV entry adapter comprising:

first port means for allowing two-way, downstream and upstream CATV signals from a CATV network in a CATV signal frequency band to be conducted to the CATV entry adapter;

second port means for allowing two-way, downstream and upstream CATV signals to be conducted to a server interface in the client-server network;

third port means for allowing two-way, downstream and upstream client signals to be conducted to a client interface in the client-server network;

frequency band separation and blocking means configured to block client signals from being conducted to the CATV network, while allowing two-way, downstream and upstream CATV signals to be conducted between the CATV network and a client device in the client-server network;

wherein the frequency band separation and blocking means is configured to be connected between the first port means and splitter means;

wherein the frequency band separation and blocking means includes a low pass terminal, a high pass terminal, and a common terminal;

wherein the frequency band separation and blocking means is configured to allow both upstream and downstream client signals to conduct between the server interface via the second port means and the client interface via the third port means;

wherein the frequency band separation and blocking means is configured to conduct only the downstream and upstream CATV signals between the first port means and the second port means;

wherein the frequency band separation and blocking means is configured to allow all upstream and downstream CATV signals to be conducted through the low pass terminal, instead of allowing downstream CATV signals to be conducted to the client interface, and instead of allowing upstream CATV signals to be conducted from the client interface;

wherein the frequency band separation and blocking means is configured to only conduct signals in a high frequency band range through the high pass terminal;

wherein the frequency band separation and blocking means is configured to only conduct signals in a low frequency band range through the low pass terminal.

35. The CATV entry adapter of claim 34, wherein the frequency band separation and blocking means is configured to allow downstream CATV signals to reach the server interface with substantially no reduction in signal strength.

36. The CATV entry adapter of claim 34, wherein the frequency band separation and blocking means is configured to allow the downstream CATV signals to be conducted between the first port means and the second port means without being split.

37. The CATV entry adapter of claim 34, wherein frequency band separation and blocking means is configured to allow the server interface to deliver a higher quality network signal to the client interface over the client-server network even when the client signals are passed through a splitter means downstream of the frequency band separation and blocking means.

38. The CATV entry adapter of claim 34, wherein the server interface is configured to convert multimedia content from downstream CATV signals into client signals to the client interface, the client interface is configured to conduct information constituting upstream CATV signals to the server interface, and the server interface is configured to convert the information constituting upstream CATV signals conducted from the client interface into converted upstream CATV signals and allow the converted upstream CATV signals to be conducted to the common terminal of the frequency band separation and blocking means.

39. The CATV entry adapter of claim 34, wherein the frequency band separation and blocking means is a passive electronic component.

40. The CATV entry adapter of claim 34, wherein power received by the entry adapter is only received through the CATV signals or the client signals.

41. The CATV entry adapter of claim 34, wherein downstream and upstream CATV signals pass respectively to and from the CATV network through the frequency band separation and blocking means without substantial attenuation.

42. The CATV entry adapter of claim 34, wherein the client signals are in a client network signal frequency band of 1125-1525 megahertz, the CATV signal frequency band is 5-1002 megahertz, the frequency band separation and blocking means is configured to block signals within a client-server network signal frequency band of 1125-1525 megahertz, and pass CATV signals within the CATV signal frequency band of 5-1002 megahertz.

43. The CATV entry adapter of claim 34, wherein the frequency band separation and blocking means comprises a diplexer configured to conduct downstream and upstream CATV signals between the common terminal and the low pass terminal, and block client signals from being conducted between the common terminal and the low pass terminal.

44. The CATV entry adapter of claim 34, wherein the first port means is directly connected to the low pass terminal of the frequency band separation and blocking means without any intermediate components.

45. The CATV entry adapter of claim 34, wherein the high pass terminal of the frequency band separation and blocking means is directly connected to an input terminal of the splitter means without any intermediate components.

46. The CATV entry adapter of claim 34, wherein the common terminal of the frequency band separation and blocking means is directly connected to the second port means without any intermediate components.

47. The CATV entry adapter of claim 34, wherein the second port means is configured to be directly connected to the server interface without any intermediate components.

48. The CATV entry adapter of claim 34, wherein the third port means comprises a plurality of third port means, and the splitter means includes a plurality of output terminals that are each configured to be directly connected to one of the plurality of third port means without any intermediate components.

49. The CATV entry adapter of claim 34, wherein the third port means comprises a plurality of third ports, and the splitter means is configured to split a CATV network signal into a first CATV network signal copy and a second CATV network signal copy, conduct the first CATV network signal copy to one of the plurality of third ports, and conduct the second CATV network signal copy to another one of the plurality of third ports.

50. The CATV entry adapter of claim 34, wherein the frequency band separation and blocking means is configured to conduct CATV signals in a high frequency band range through the high pass terminal and conduct CATV signals in a low frequency band range through the low pass terminal.

51. The CATV entry adapter of claim 34, wherein the client signals are in the high frequency band range, and not in the low frequency band range.

52. The CATV entry adapter of claim 34, wherein the downstream and upstream CATV signals are in the low frequency band range, and not in the high frequency band range.

53. The CATV entry adapter of claim 34, wherein the downstream and upstream CATV signals and the client signals are both made available to the server and client network interfaces so that the client device is configured to interact with not only the downstream and upstream CATV signals, but also the client signals, and the frequency band separation and blocking means is configured to separate high and low frequency bands of signals so as to prevent high frequency client signals from reaching the CATV network.

54. The CATV entry adapter of claim 53, wherein the server interface is configured to store downstream CATV signals and supply network signals to the client interface based on the stored downstream CATV signals, and the client interface is configured to send and receive CATV signals and the client device.

55. The CATV entry adapter of claim 34, wherein the splitter means comprises a four-way splitter.

56. The CATV entry adapter of claim 34, wherein the entry adapter is configured to eliminate a need for a client signal rejection filter, while blocking client signals from entering the CATV network, and while assuring that a high strength downstream CATV signal will be delivered to the client device during operation of the entry adapter.

57. The CATV entry adapter of claim 34, wherein the low frequency band range is a CATV frequency range that encompasses both the upstream and downstream CATV signals.

58. The CATV entry adapter of claim 34, wherein the low frequency band range comprises a downstream frequency band range and an upstream frequency band range.

59. The CATV entry adapter of claim 58, wherein the downstream frequency band range comprises 54 MHz to 1002 MHz, the upstream frequency band range comprises 5 MHz to 42 MHz, and the low frequency band range comprises 5 MHz to 1002 MHz.

60. The CATV entry adapter of claim 34, wherein the high frequency band range corresponds to a frequency band range of the client signals.

61. The CATV entry adapter of claim 34, wherein the client signals have a frequency band range that is greater than a frequency band range employed for CATV signals.

62. The CATV entry adapter of claim 61, wherein the frequency band range of the client signals comprises 1125 MHz to at least 1525 MHz.

63. The CATV entry adapter of claim 34, wherein the frequency band separation and blocking means is configured to mechanically and electrically confine transmission of high frequency client signals between the entry adapter, the server interface, and the client interface so as to prevent high frequency client signals from interfering with the CATV network.

64. The CATV entry adapter of claim 34, wherein the splitter means is limited to only one multiple-way splitter.

65. The CATV entry adapter of claim 34, wherein the frequency band separation and blocking means is limited to only one high-low frequency band diplexer.

66. An entry adapter for allowing downstream and upstream external signals to be conducted between an external network and a client device, allowing client signals to be conducted in an internal client-server network, and preventing the client signals from being conducted to the external network, the entry adapter comprising:

first port means for allowing downstream and upstream external signals to be received by the entry adapter;

second port means for allowing downstream and upstream external signals to be conducted to a server interface of an internal client-server network;

third port means for allowing the downstream and upstream external signals to be conducted to a client interface of the internal client-server network; and

frequency band separation and blocking means for separating the client signals from the external signals based on the client signals having a higher frequency than the external signals, allowing the external signals to be conducted only through the second port means to the server interface, allowing the client signals to be conducted through the second port means and the third port means, blocking the client signals from being conducted to the external network, and allowing the client signals to be conducted between the server interface and the client interface.

67. The entry adapter of claim 66, wherein the entry adapter is configured to communicate the downstream external signals from the first port means to the second port means through the frequency band separation and blocking means without splitting the downstream external signals more than once, so as to preserve a signal strength of the downstream external signals.

68. The entry adapter of claim 66, wherein the external signals are in a first frequency band range of from about 5 megahertz to 1002 megahertz, and the client signals are in a second frequency band range of from 1125 megahertz to at least 1525 megahertz.

69. The entry adapter of claim 66, wherein the downstream and upstream external signals are downstream and upstream cable television (CATV) signals.

70. The entry adapter of claim 66, wherein the first port means is an entry port, the second port means is a primary port, and the third port means is a secondary port.

71. The entry adapter of claim 66, wherein the frequency band separation and blocking means only conducts the downstream and upstream external signals through the first port means and the second port means.

72. The entry adapter of claim 66, wherein the frequency band separation and blocking means includes a low pass terminal, a high pass terminal, and a common terminal.

73. The entry adapter of claim 72, wherein the frequency band separation and blocking means only allows client signals to be conducted through the high pass terminal.

74. The entry adapter of claim 72, wherein the frequency band separation and blocking means only allows downstream and upstream external signals to be conducted through the low pass terminal.

75. The entry adapter of claim 66, wherein the frequency band separation and blocking means is connected between the first port means and signal splitter means for splitting external signals.

76. The entry adapter of claim 75, wherein the second port means is a primary port, the third port means is a plurality of secondary ports, and the signal splitter means is for splitting external signals into a plurality of external signal copies so as to allow each of the plurality of external signal copies to be conducted to a respective one of the plurality of secondary ports.

77. The entry adapter of claim 66, wherein the frequency band separation and blocking means is configured to be directly connected between the first port means and a signal splitter means for splitting external signals without any intermediate components.

78. The entry adapter of claim 66, wherein the frequency band separation and blocking means is a passive electronic component.

79. The entry adapter of claim 66, wherein power received by the entry adapter is only received through the external signals or the client signals.

80. The entry adapter of claim 66, wherein downstream and upstream external signals pass respectively to and from the external network through the frequency band separation and blocking means without substantial attenuation.

81. The entry adapter of claim 66, wherein the frequency band separation and blocking means comprises a diplexer having a low frequency terminal, a high frequency terminal, and a common terminal.

82. The entry adapter of claim 81, wherein the frequency band separation and blocking means only allows the external signals to be conducted through the low frequency terminal and the common terminal, and blocks all client signals from being conducted through the low frequency terminal to the external network.

83. The entry adapter of claim 66, wherein the first port means is directly connected to a low frequency terminal of the frequency band separation and blocking means without any intermediate components.

84. The entry adapter of claim 66, wherein the client device comprises a plurality of client devices, and the third port means comprises a plurality of third port means for allowing the client signals to communicate with the plurality of client devices.

85. The entry adapter of claim 84, further comprising a splitter means for allowing the client signals to be conducted through the plurality of third port means.

86. The entry adapter of claim 85, wherein the splitter means includes an input terminal, and the frequency band separation and block means includes a high pass terminal that is directly connected to the input terminal of the splitter means without any intermediate components.

87. The entry adapter of claim 66, wherein the frequency band separation and blocking means includes a common terminal that is directly connected to the second port means without any intermediate components.

88. The entry adapter of claim 66, wherein the second port means is configured to be directly connected to the server interface without any intermediate components.

89. The entry adapter of claim 66, wherein the third port means comprises a plurality of third port means, and further comprising splitter means including a plurality of output terminals that are each configured to be directly connected to one of the plurality of third port means without any intermediate components.

90. The entry adapter of claim 66, wherein the third port means comprises a plurality of third port means, and further comprising signal splitter means for splitting the client signal into a first network signal copy and a second network signal copy, conducting the first network signal copy to one of the plurality of third port means, and conducting the second network signal copy to another one of the plurality of third port means.

91. The entry adapter of claim 66, wherein the frequency band separation and blocking means is configured to conduct external signals in a low frequency band range through a low frequency band terminal.

92. The entry adapter of claim 66, wherein the client signals are in a high frequency band range, and not in a low frequency band range.

93. The entry adapter of claim 92, wherein the downstream and upstream external signals are in the low frequency band range, and not in the high frequency band range.

94. The entry adapter of claim 66, wherein the downstream and upstream external signals and the client signals are both made available to the server and client network interfaces so that the client device is configured to interact with not only the downstream and upstream external signals, but also the client signals, and the frequency band separation and blocking means is configured to separate high and low frequency bands of signals so as to prevent high frequency client signals from reaching the external network through the entry adapter.

95. The entry adapter of claim 66, further comprising a four-way signal splitter means for four-way splitting external signals received from the frequency band separation and blocking means.

96. The entry adapter of claim 66, wherein the frequency band separation and blocking means is configured to separate client signals in a first frequency band range from cable television (CATV) signals in a second frequency band range, the second frequency band range being lower than the first frequency band range.

97. The entry adapter of claim 96, wherein the second frequency band range is a CATV frequency range that encompasses both the upstream and downstream external signals.

98. The entry adapter of claim 97, wherein the second frequency band range comprises a downstream CATV frequency band range and an upstream CATV frequency band range.

99. The entry adapter of claim 98, wherein the downstream CATV frequency band range comprises 54 MHz to 1002 MHz, and the upstream CATV frequency band range comprises 5 MHz to 42 MHz.

100. The entry adapter of claim 66, wherein the frequency band separation and blocking means is configured to mechanically and electrically confine transmission of high frequency client signals between the entry adapter, the server interface, and the client interface so as to prevent high frequency client signals from interfering with the external network.

101. The entry adapter of claim 66, further comprising only one multiple-way splitter means for one-way splitting signals.

102. The entry adapter of claim 66, wherein the frequency band separation and blocking means includes only one high-low frequency band diplexer.