Power line communication apparatus and method of using the same
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
H04M-011/04
H04L-027/00
출원번호
US-0315725
(2002-12-10)
발명자
/ 주소
Cope,Leonard D.
Mollenkopf,James Douglas
Kline,Paul A.
White, II,Melvin Joseph
출원인 / 주소
Current Technologies, LLC
대리인 / 주소
Manelli Denison &
인용정보
피인용 횟수 :
109인용 특허 :
248
초록▼
A communication device for use with a power line communication system is provided. One embodiment forms a bypass device and comprises a low voltage coupler, a low voltage signal conditioner, a controller, a medium voltage modem, a first medium voltage signal conditioner, an isolator, a second medium
A communication device for use with a power line communication system is provided. One embodiment forms a bypass device and comprises a low voltage coupler, a low voltage signal conditioner, a controller, a medium voltage modem, a first medium voltage signal conditioner, an isolator, a second medium voltage signal conditioner, and a medium voltage coupler. The controller may provide routing functions to give priority to certain types of data, control access to the network, filter data packets, process software upgrades, and provision new subscriber devices. In addition, the controller may monitor, process, and transmit traffic data, measured power data, errors, and other collected data.
대표청구항▼
What is claimed is: 1. A bypass device for communicating data around a transformer, the transformer having a primary winding coupled to a medium voltage power line and a secondary winding coupled to a low voltage power line, the bypass device comprising: a low voltage interface communicatively coup
What is claimed is: 1. A bypass device for communicating data around a transformer, the transformer having a primary winding coupled to a medium voltage power line and a secondary winding coupled to a low voltage power line, the bypass device comprising: a low voltage interface communicatively coupled to the low voltage power line and comprising: a first filter, an first amplifier in communication with said first filter, and a first modem in communication with said first amplifier; a medium voltage interface communicatively coupled to the medium voltage power line and comprising: a second filter, a second amplifier in communication with said second filter, a second modem in communication with said second amplifier, and a controller in communication with said medium voltage interface and said low voltage interface and comprising: a memory storing program code therein, and a processor configured to execute said program code. 2. The device of claim 1, wherein the medium voltage power line carries a power signal and a data signal and said medium voltage interface further comprises a voltage translation circuit for removing the power signal. 3. The device of claim 2, wherein said voltage translation circuit comprises a high pass filter. 4. The device of claim 1, further comprising a power supply system receiving power from the low voltage power line. 5. The device of claim 4, wherein said power supply system includes a battery backup and said power supply system supplies power to said first modem and said second modem. 6. The device of claim 1, wherein said low voltage interface further comprises a switch having a data receive configuration for receiving data from the low voltage power line and a data transmit configuration for transmitting data to the low voltage power line. 7. The device of claim 1, wherein said medium voltage interface further comprises a coupler disposed between said second filter and the medium voltage power line; said coupler comprising a transformer including a first winding having a first end and a second end, said first end of said first winding being communicatively coupled to the medium voltage power line at a first location; and said second end of said first winding being communicatively coupled to the medium voltage power line at a second location. 8. The device of claim 1, wherein said low voltage interface further comprises a predistortion circuit for predistorting signals to be transmitted through the low voltage power line. 9. The device of claim 8, wherein said predistortion circuit comprises an amplifying circuit for amplifying a first frequency at a first amplification and a second frequency at a second amplification. 10. The device of claim 1, wherein said medium voltage interface further comprises a first analog to digital converter (ADC), a first digital to analog converter (DAC), and a first media access controller; and said low voltage interface further comprises a second ADC, a second DAC, and a second media access controller. 11. The device of claim 1, wherein said low voltage interface comprises a media access controller. 12. The device of claim 1, wherein said medium voltage interface comprises a media access controller. 13. The device of claim 1, wherein said low voltage interface further comprises an encryption module and a decryption module. 14. The device of claim 1, wherein said low voltage interface further comprises a source encoder, an error encoder, and a channel encoder. 15. The device of claim 1, wherein said program code includes a code segment configured to cause said controller to restrict unauthorized access to the Internet. 16. The device of claim 1, wherein said program code includes a program code section for performing routing of data packets. 17. The device of claim 16, wherein said routing of data packets is based, at least in part, on the subscription level of the user. 18. The device of claim 16, wherein said routing is based, at least in part, on the type of data in a data packet. 19. The device of claim 16, wherein said routing is based, at least in part, on whether the data packet includes voice data. 20. The device of claim 1, wherein said program code includes a code segment configured to cause said controller to store an address for a domain name server received over the medium voltage power line. 21. The device of claim 1, wherein said medium voltage interface further comprises a medium voltage coupling device. 22. The device of claim 21, wherein said coupling device comprises a capacitive coupler. 23. The device of claim 21, wherein said coupling device couples data, at least in part, via inductive coupling. 24. The device of claim 21, wherein said coupling device couples data, at least in part, via capacitive coupling. 25. The device of claim 1, wherein said medium voltage interface further comprises a band pass filter and an amplifier. 26. The device of claim 1, wherein said low voltage interface further comprises a band pass filter and an amplifier. 27. The device of claim 1, wherein said medium voltage interface further comprises an isolator providing medium voltage electrical isolation between said second modem and the medium voltage power line. 28. The device of claim 1, wherein said first modem is in communication with a utility meter via the second conductor and an address for said utility meter is stored in said memory. 29. The device of claim 1, wherein said low voltage interface is in communication with a video presentation system via the low voltage power line and wherein an address for said video presentation system is stored in said memory. 30. The device of claim 1, wherein said low voltage interface is in communication with a telephone via the low voltage power line and wherein an address for said telephone is stored in said memory. 31. The device of claim 1, wherein an address for device is stored in said memory. 32. The device of claim 1, further comprising a first address for said first modem stored in said memory and a second address for said second modem stored in said memory. 33. The device of claim 32, wherein said first address and said second address are IP addresses. 34. The device of claim 33, wherein said medium voltage interface further comprises a first memory and having a first MAC address for said first modem stored in said first memory; and said second conductor interface further comprises a second memory and having a second MAC address for said second modem stored in said second memory. 35. The device of claim 32, wherein said first address and said second address are MAC addresses. 36. The device of claim 32, wherein said transformer bypass device communicates telephony data. 37. The device of claim 1, further comprising a power supply system receiving power from the low voltage power line. 38. The device of claim 1, wherein transformer bypass device communicates telephony data. 39. The device of claim 1, wherein said first modem communicates using Orthogonal Frequency Division Multiplexing. 40. The device of claim 39, wherein said second modem communicates using Orthogonal Frequency Division Multiplexing. 41. The device of claim 1, where in said low voltage interface communicates data over the low voltage power line in a first frequency band and said medium voltage interface communicates data over the medium voltage power line in a second frequency band different from said first frequency band. 42. The device of claim 1, further comprising a router in communication with said first modem and said second modem. 43. The device of claim 42, wherein said router is configured to give data packets containing voice data a higher priority for transmission than some data packets containing non-voice data. 44. The device of claim 1, wherein said program code includes a code segment configured to cause said controller to transmit an out of limit voltage notification over the medium voltage power line via said second modem. 45. The device of claim 1, wherein said program code includes a code segment configured to cause said controller to transmit a low voltage power line voltage measurement over the medium voltage power line via said second modem. 46. The device of claim 1, wherein said program code includes a first code segment configured to cause said controller to store new program code receives over the medium voltage power line. 47. The device of claim 46, wherein said program code includes a second code segment configured to cause said controller to execute said new program code. 48. The device of claim 1, wherein said program code includes a code segment configured to cause said controller to transmit data traffic information over the medium voltage power line via said second modem. 49. The device of claim 1, wherein said program code includes a code segment configured to cause said controller to filter data packets communicated over the low voltage power line. 50. The device of claim 1, wherein said program code includes a code segment configured to cause said controller to store an address received over the medium voltage power line.
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