최소 단어 이상 선택하여야 합니다.
최대 10 단어까지만 선택 가능합니다.
다음과 같은 기능을 한번의 로그인으로 사용 할 수 있습니다.
NTIS 바로가기다음과 같은 기능을 한번의 로그인으로 사용 할 수 있습니다.
DataON 바로가기다음과 같은 기능을 한번의 로그인으로 사용 할 수 있습니다.
Edison 바로가기다음과 같은 기능을 한번의 로그인으로 사용 할 수 있습니다.
Kafe 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0370918 (2012-02-10) |
등록번호 | US-8942107 (2015-01-27) |
발명자 / 주소 |
|
출원인 / 주소 |
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대리인 / 주소 |
|
인용정보 | 피인용 횟수 : 3 인용 특허 : 597 |
A piece of Ethernet terminal equipment having an Ethernet connector including first and second pairs of contacts used to carry Ethernet communication signals. At least one path for the purpose of drawing DC current. The at least one path coupled across at least one of the contacts of the first pair
A piece of Ethernet terminal equipment having an Ethernet connector including first and second pairs of contacts used to carry Ethernet communication signals. At least one path for the purpose of drawing DC current. The at least one path coupled across at least one of the contacts of the first pair of contacts and at least one of the contacts of the second pair of contacts. The piece of Ethernet terminal equipment to draw different magnitudes of DC current flow via the at least one path. The different magnitudes of DC current flow to result from at least one condition applied to at least one of the contacts of the first and second pairs of contacts, wherein at least one of the magnitudes of the DC current flow to convey information about the piece of Ethernet terminal equipment.
1. A piece of Ethernet terminal equipment comprising: an Ethernet connector comprising first and second pairs of contacts used to carry Ethernet communication signals, at least one path for the purpose of drawing DC current, the at least one path coupled across at least one of the contacts of the fi
1. A piece of Ethernet terminal equipment comprising: an Ethernet connector comprising first and second pairs of contacts used to carry Ethernet communication signals, at least one path for the purpose of drawing DC current, the at least one path coupled across at least one of the contacts of the first pair of contacts and at least one of the contacts of the second pair of contacts, the piece of Ethernet terminal equipment to draw different magnitudes of DC current flow via the at least one path, the different magnitudes of DC current flow to result from at least one condition applied to at least one of the contacts of the first and second pairs of contacts, wherein at least one of the magnitudes of the DC current flow to convey information about the piece of Ethernet terminal equipment. 2. The identifiable piece of Ethernet terminal equipment of claim 1 wherein the piece of Ethernet terminal equipment is a personal computer. 3. The piece of Ethernet terminal equipment of claim 1 wherein the first pair of contacts consist of contacts 1 and 2 and the second pair of contacts consist of contacts 3 and 6. 4. The piece of Ethernet terminal equipment of claim 1 wherein the Ethernet connector is an RJ45 jack connector. 5. The piece of Ethernet terminal equipment of claim 1 wherein the Ethernet communication signals are BaseT Ethernet communication signals. 6. The piece of Ethernet terminal equipment of claim 1 wherein the at least one path is integrated into the piece of Ethernet terminal equipment. 7. The piece of Ethernet terminal equipment of claim 1 wherein the at least one path is attached to the piece of Ethernet terminal equipment. 8. The piece of Ethernet terminal equipment of claim 1 wherein the at least one path comprises at least one center tap of at least one isolation transformer. 9. The piece of Ethernet terminal equipment of claim 1 wherein the at least one of the contacts of the first pair of contacts consists of both of the contacts of the first pair of contacts and the at least one of the contacts of the second pair of contacts consists of both of the contacts of the second pair of contacts. 10. The piece of Ethernet terminal equipment of claim 1 wherein the at least one path comprises at least two paths coupled across at least one of the contacts of the first pair of contacts and at least one of the contacts of the second pair of contacts. 11. The piece of Ethernet terminal equipment of claim 1 wherein at least one of the first and second pairs of contacts is actually carrying Ethernet communication signals. 12. The piece of Ethernet terminal equipment of claim 1 wherein the piece of Ethernet terminal equipment is actually drawing the DC current via the at least one path. 13. The identifiable piece of Ethernet terminal equipment of claim 1 wherein the piece of terminal equipment is physical connected to a central piece of network equipment. 14. The piece of Ethernet terminal equipment of claim 1 wherein the at least one path is electrically coupled. 15. The piece of Ethernet terminal equipment of claim 1 wherein the at least one path is physically coupled. 16. The piece of Ethernet terminal equipment of claim 1 wherein the piece of Ethernet terminal equipment to draw different magnitudes of DC current flow via at least one of the contacts of the first and second pairs of contacts of the Ethernet connector. 17. The piece of Ethernet terminal equipment of claim 1 wherein cessation in the flow of the DC current to indicate physical disconnection of the piece of Ethernet terminal equipment from a central piece of network equipment. 18. The piece of Ethernet terminal equipment of claim 1 wherein the flow of the DC current to indicate physical connection of the piece of Ethernet terminal equipment to a central piece of network equipment. 19. The identifiable piece of Ethernet terminal equipment of claim 1 wherein at least two different magnitudes of the DC current to convey information about the piece of Ethernet terminal equipment. 20. The piece of Ethernet terminal equipment of claim 1 wherein the different magnitudes of DC current comprise a series of magnitudes. 21. The piece of Ethernet terminal equipment of claim 1 wherein the different magnitudes of DC current flow to occur at regular intervals. 22. The piece of Ethernet terminal equipment of claim 1 wherein the at least one condition comprises a voltage condition. 23. The piece of Ethernet terminal equipment of claim 1 wherein the at least one condition comprises an impedance condition. 24. The piece of Ethernet terminal equipment of claim 1 wherein the different magnitudes of DC current flow to result from at least one condition across the at least one path. 25. The piece of Ethernet terminal equipment of claim 24 wherein the at least one condition comprises a voltage condition. 26. The piece of Ethernet terminal equipment of claim 24 wherein the at least one condition comprises an impedance condition. 27. The piece of Ethernet terminal equipment of claim 1 wherein the different magnitudes of DC current flow to result from at least one condition across the at least one of the contacts of the first pair of contacts and the at least one of the contacts of the second pair of contacts. 28. The piece of Ethernet terminal equipment of claim 27 wherein the at least one condition comprises a voltage condition. 29. The piece of Ethernet terminal equipment of claim 27 wherein the at least one condition comprises an impedance condition. 30. The piece of Ethernet terminal equipment of claim 1 wherein the piece of Ethernet terminal equipment to continuously draw the DC current via the at least one path. 31. The piece of Ethernet terminal equipment of claim 1 wherein the DC current comprises a predetermined range of magnitudes. 32. The piece of Ethernet terminal equipment of claim 1 wherein the DC current comprises continuous DC current. 33. The piece of Ethernet terminal equipment of claim 1 wherein the information comprises electrical information. 34. The piece of Ethernet terminal equipment of claim 33 wherein the electrical information is related to an electrical aspect of the piece of Ethernet terminal equipment. 35. The piece of Ethernet terminal equipment of claim 1 wherein the information comprises physical information. 36. The piece of Ethernet terminal equipment of claim 35 wherein the physical information to comprise physical configuration of the piece of Ethernet terminal equipment. 37. The piece of Ethernet terminal equipment of claim 35 wherein the physical information is related to a physical aspect of the piece of Ethernet terminal equipment. 38. The piece of Ethernet terminal equipment of claim 1 wherein the information is encoded. 39. The piece of Ethernet terminal equipment of claim 38 wherein the information is Manchester encoded. 40. The piece of Ethernet terminal equipment of claim 1 wherein the information to comprise general information about the piece of Ethernet terminal equipment. 41. The piece of Ethernet terminal equipment of claim 40 wherein the general information is related to hard drive capacity. 42. The piece of Ethernet terminal equipment of claim 40 wherein the general information is related to processor type. 43. The piece of Ethernet terminal equipment of claim 1 wherein the information to distinguish the piece of Ethernet terminal equipment from at least one other piece of Ethernet terminal equipment. 44. The piece of Ethernet terminal equipment of claim 1 wherein the information to uniquely identify the piece of Ethernet terminal equipment. 45. The piece of Ethernet terminal equipment of claim 1 wherein the information to continuously identify the piece of Ethernet terminal equipment. 46. The piece of Ethernet terminal equipment of claim 1 wherein the piece of Ethernet terminal equipment to detect information about a central piece of network equipment via the DC current. 47. The piece of Ethernet terminal equipment of claim 1 wherein the piece of Ethernet terminal equipment comprises at least one blocking capacitor. 48. The piece of Ethernet terminal equipment of claim 47 wherein the at least one blocking capacitor to block the flow of the DC current through a path across the contacts of the Ethernet connector. 49. The piece of Ethernet terminal equipment of claim 47 wherein the at least one blocking capacitor to direct the flow of the DC current through a path across of the contacts of the Ethernet connector. 50. The piece of Ethernet terminal equipment of claim 1 wherein the piece of Ethernet terminal equipment comprises one or more electrical components. 51. The piece of Ethernet terminal equipment of claim 50 wherein the one or more electrical components comprise a transmitter. 52. The piece of Ethernet terminal equipment of claim 50 wherein the one or more components to change at least one of the different magnitudes of the DC current. 53. The piece of Ethernet terminal equipment of claim 1 wherein a duration of at least one of the different magnitudes of the DC current to comprise a predetermined range. 54. The piece of Ethernet terminal equipment of claim 53 wherein the predetermined range is between 17 and 833 microseconds. 55. The piece of Ethernet terminal equipment of claim 1 wherein the information to identify the piece of Ethernet terminal equipment as a particular piece of Ethernet terminal equipment. 56. The piece of Ethernet terminal equipment of claim 1 wherein the at least one path comprises at least two different impedances. 57. The piece of Ethernet terminal equipment of claim 1 wherein the at least one path comprises a predetermined range of impedance. 58. The piece of Ethernet terminal equipment of claim 1 wherein impedance within the at least one path changes. 59. The piece of Ethernet terminal equipment of claim 58 wherein the impedance within the at least one path continuously changes. 60. The piece of Ethernet terminal equipment of claim 1 wherein the at least one path comprises at least two different paths. 61. The piece of Ethernet terminal equipment of claim 1 wherein the at least one path is a function of at least one electrical condition across at least one of the contacts of the first pair of contacts and at least one of the contacts of the second pair of contacts. 62. The piece of Ethernet terminal equipment of claim 1 wherein the DC current to operate circuitry associated to the piece of Ethernet terminal equipment. 63. The piece of Ethernet terminal equipment of claim 62 wherein the circuitry is integrated into the piece of Ethernet terminal equipment. 64. The piece of Ethernet terminal equipment of claim 63 wherein the circuitry comprises a processor. 65. The piece of Ethernet terminal equipment of claim 63 wherein the circuitry comprises a transmitter. 66. The piece of Ethernet terminal equipment of claim 65 wherein the transmitter is electrically coupled to the at least one path. 67. The piece of Ethernet terminal equipment of claim 63 wherein the circuitry comprises an isolation power supply. 68. The piece of Ethernet terminal equipment of claim 1 wherein the piece of Ethernet terminal equipment is physically connected to a central piece of network equipment via separate Ethernet cabling. 69. The piece of Ethernet terminal equipment of claim 1 wherein a magnitude of the DC current to comprise information to identify the piece of Ethernet terminal equipment. 70. The piece of Ethernet terminal equipment of claim 1 wherein the DC current to comprise first magnitude of DC current for a first interval followed by a second magnitude of DC current for a second interval, wherein the second magnitude is greater than the first magnitude. 71. The piece of Ethernet terminal equipment of claim 70 wherein at least one of the first and second magnitudes of DC current to identify the piece of Ethernet terminal equipment. 72. The piece of Ethernet terminal equipment of claim 1 wherein at least one magnitude of the DC current is part of a detection protocol. 73. The piece of Ethernet terminal equipment of claim 1 wherein the piece of Ethernet terminal equipment is physically connected to a central piece of equipment via an Ethernet cable and the at least one path forms a DC current loop via wires within the Ethernet cable. 74. The piece of Ethernet terminal equipment of claim 1 wherein the at least one path comprises an electrical component. 75. The piece of Ethernet terminal equipment of claim 74 wherein the electrical component is a resistor. 76. The piece of Ethernet terminal equipment of claim 1 wherein the at least one path comprises at least two separate paths. 77. The piece of Ethernet terminal equipment of claim 1 wherein the at least one path comprises variable impedance. 78. The piece of Ethernet terminal equipment of claim 77 wherein the variable impedance comprises continuously variable impedance. 79. The piece of Ethernet terminal equipment of claim 1 wherein the piece of terminal equipment comprises an electrical component to change the at least one path. 80. The piece of Ethernet terminal equipment of claim 79 wherein the electrical component is responsive to an electrical condition across the contacts of the Ethernet connector. 81. The piece of Ethernet terminal equipment of claim 1 wherein the piece of Ethernet terminal equipment comprises an electrical component to change impedance of the at least one path. 82. The piece of Ethernet terminal equipment of claim 81 wherein the electrical component is responsive to an electrical condition across the contacts of the Ethernet connector. 83. The piece of Ethernet terminal equipment of claim 1 wherein the piece of Ethernet equipment comprises a controller. 84. The piece of Ethernet terminal equipment of claim 83 wherein the controller comprises firmware. 85. The piece of Ethernet terminal equipment of claim 53 wherein the controller comprises an integrated circuit. 86. The piece of Ethernet terminal equipment of claim 1 wherein the at least one condition is actually applied to the at least one of the contacts of the first and second pairs of contacts. 87. The piece of Ethernet terminal equipment of claim 1 wherein the at least one condition comprises a voltage condition between 3 and 20 volts DC. 88. The piece of Ethernet terminal equipment of claim 1 wherein the different magnitudes of DC current flow comprise a frequency. 89. The piece of Ethernet terminal equipment of claim 88 wherein the frequency is a fixed frequency. 90. The piece of Ethernet terminal equipment of claim 1 wherein the piece of Ethernet terminal equipment is physically connected to a network. 91. The piece of Ethernet terminal equipment of claim 57 wherein the predetermined range comprises impedance between 10 k ohm to 15 k ohm. 92. The piece of Ethernet terminal equipment of claim 1 wherein the piece of Ethernet terminal equipment to terminate the Ethernet communication signals. 93. The piece of Ethernet terminal equipment of claim 1 wherein the piece of Ethernet terminal equipment to originate the Ethernet communication signals. 94. The piece of Ethernet terminal equipment of claim 1 wherein the at least one path to protect the piece of Ethernet terminal equipment. 95. The piece of Ethernet terminal equipment of claim 94 wherein the at least one path is actually protecting the piece of Ethernet terminal equipment. 96. The piece of Ethernet terminal equipment of claim 94 wherein the at least one path to physically protect the piece of Ethernet terminal equipment. 97. The piece of Ethernet terminal equipment of claim 1 wherein the at least one path to protect the piece of Ethernet terminal equipment from unauthorized access. 98. The piece of Ethernet terminal equipment of claim 1 wherein the DC current to comprise a first magnitude of DC current for a first interval followed by a second magnitude of DC current for a second interval, wherein the first magnitude is greater than the second magnitude. 99. The piece of Ethernet terminal equipment of claim 1 wherein the piece of Ethernet terminal equipment comprises an isolation power supply. 100. The piece of Ethernet terminal equipment of claim 1 wherein the at least one of the magnitudes is actually conveying information about the piece of Ethernet terminal equipment. 101. The piece of Ethernet terminal equipment of claim 1 wherein the at least one of the magnitudes is actually conveying information about the piece of Ethernet terminal equipment via the contacts of the Ethernet connector. 102. The piece of Ethernet terminal equipment of claim 1 wherein a difference between at least two of the magnitudes to convey information about the piece of Ethernet terminal equipment. 103. The piece of Ethernet terminal equipment of any one of claims 1, 17, 18, 19, 21, 22, 31, 32, 46, 47, 67, 68, 85, and 86-89 and wherein the piece of Ethernet of terminal equipment is a piece of powered-off Ethernet terminal equipment. 104. A powered-off end device comprising: an Ethernet connector comprising first and second pairs of contacts, at least one path for the purpose of drawing DC current, the at least one path coupled across at least one of the contacts of the first pair of contacts and at least one of the contacts of the second pair of contacts, the powered-off end device to draw different magnitudes of DC current flow via the at least one path, the different magnitudes of DC current flow to result from at least one condition applied to at least one of the contacts of the first and second pairs of contacts, wherein at least one of the magnitudes of the DC current flow to convey information about the powered-off end device. 105. The powered-off end device of claim 104 wherein the powered-off end device is a piece of terminal equipment. 106. The powered-off end device of claim 105 wherein the powered-off piece of terminal equipment is a piece of data terminal equipment. 107. The powered-off end device of claim 104 wherein the at least one condition comprises an impedance condition. 108. The powered-off end device of claim 104 wherein the at least one condition comprises a voltage condition. 109. The powered-off end device of claim 104 wherein the powered-off end device is physically connected to a central device. 110. The powered-off end device of claim 104 wherein the flow of DC current to indicate physical connection of the end device to a central device. 111. The powered-off end device of claim 104 wherein the information to distinguish the powered-off end device from at least one other end device. 112. The powered-off end device of claim 104 wherein the powered-off end device comprises an isolation power supply. 113. The powered-off end device of claim 104 wherein the information to identify the powered-off end device. 114. The powered-off end device of claim 104 wherein the at least one of the magnitudes is actually conveying information about the powered-off end device. 115. The powered-off end device of claim 104 wherein the powered-off end device is actually drawing the DC current via the at least one path. 116. The powered-off end device of claim 104 wherein the at least one condition is actually applied to the at least one of the contacts of the first and second pairs of contacts. 117. The powered-off end device of claim 104 wherein the at least one path comprises two separate paths. 118. The powered-off end device of claim 104 wherein the at least one path to protect the powered-off end device. 119. The powered-off end device of claim 118 wherein the at least one path to physically protect the powered-off end device. 120. The powered-off end device of claim 104 wherein the powered-off end device comprises an access control device. 121. The powered-off end device of claim 120 wherein the access control device comprises an alarm. 122. The powered-off end device of claim 104 wherein the at least one path is integrated into the powered-off end device. 123. The powered-off end device of claim 104 wherein at least one of the magnitudes is part of a detection protocol. 124. The powered-off end device of claim 104 wherein cessation in the flow of the DC current to indicate physical disconnection of the end device from a central device. 125. The powered-off end device of any one of claims 104 through 124 wherein the powered-off end device is a powered-off Ethernet end device.
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