(56)
`(72) Inventors: John F. Austermann, III, Huntington
`
`
`Woods, MI (US); Marshall B.
`
`Cummings, Troy, MI (US)
`
`
`
`
`
`
`
`et al. 1,622 A REll7 E 6/1842 Wheatstone 6/ 1848 Morse
`
`c12) United States Patent
`
`
`
`
`
`Austermann, III et al.
`
`B2
`
`US009812825B2
`(IO) Patent No.: US 9,812,825
`(45) Date of Patent:
`Nov. 7, 2017
`
`I IIIII IIIIIIII Ill lllll lllll lllll lllll lllll lllll lllll lllll 111111111111111111
`
`(54) ETHERNET DEVICE
`
`Classification Search
`
`(71) Applicant: ChriMar Systems, Inc., Farmington
`
`
`
`Hills, MI (US)
`
`
`
`
`
`See application file for complete search history.
`
`(58) Field of
`
`None
`
`
`
`
`References Cited
`
`U.S. PATENT DOCUMENTS
`
`(73) Assignee: ChriMar Systems, Inc., Farmington
`
`
`
`Hills, MI (US)
`
`CA CA
`
`( *) Notice: Subject to any disclaimer, the term ofthis
`
`
`FOREIGN PATENT DOCUMENTS
`
`
`
`patent is extended or adjusted under 35
`
`U.S.C. 154(b) by 45 days.
`
`
`
`
`
`
`2183106 2259902 Al Al 1/1998 2/1998
`
`(Continued)
`
`(21) Appl. No.: 14/726,940
`
`
`
`(22) Filed: Jun. 1, 2015
`
`(65)
`
`
`
`Prior Publication Data
`
`
`
`US 2015/0263467 Al Sep. 17, 2015
`
`(Continued)
`
`OTHER PUBLICATIONS
`
`AT&T Technical Journal, vol. 64, No. 1, Jan. 1985, "System 75:
`
`
`
`
`
`
`Communications and Control Architecture," L. A. Baxter et al.
`
`(Continued)
`
`
`
`
`
`Related U.S. Application Data
`
`Primary Examiner - Chi H Pham
`
`
`
`
`
`
`(63) Continuation of application No. 13/615,726, filed on
`
`
`
`Assistant Examiner - Soon-Dong D Hyun
`
`Sep. 14, 2012, now Pat. No. 9,049,019, which is a
`
`
`
`(Continued)
`
`Pierce, P.L.C.
`
`(74) Attorney, Agent, or Firm - Harness, Dickey &
`
`
`
`(51) Int. Cl.
`
`H04L 12/12
`GOSB 13/14
`HOJR 24/64 (2013.01); H04B 3/54
`
`H04L 1/24 (2013.01);
`
`(2006.01)
`(2006.01)
`(Continued)
`
`(57)
`
`ABSTRACT
`
`An Ethernet device having an Ethernet connector compris­
`
`
`
`
`
`
`
`ing first and second pairs of contacts to carry BaseT Ethernet
`(52)
`U.S. Cl.
`
`
`
`communication signals wherein at least one of the contacts
`CPC ...............
`
`
`
`
`of the first pair of contacts and at least one of the contacts
`(2013.01);
`HOlR
`at
`of the second pair of contacts
`
`
`
`2107/00 (2013.01); H04B 2203/547 (2013.01);
`
`
`least two different magnitudes of DC current flow without
`
`
`H04B 2203/5445 (2013.01); H04B 2203/5458
`
`
`
`interfering with the BaseT Ethernet communication signals.
`
`
`
`(2013.01); H04B 2203/5466 (2013.01); H04B
`
`
`2203/5491 (2013.01); H04B 2203/5495
`(2013.01)
`
`are configu red to conduct
`
`
`
`68 Claims, 13 Drawing Sheets
`
`1
`
`CISCO 1006
`Cisco v. ChriMar
`
`

`

`Page 2
`
`US 9,812,825 B2
`
`
`Related U.S. Application Data
`
`
`
`continuation of application No. 13/370,918, filed on
`
`Feb. 10, 2012, now Pat. No. 8,942,107, which is a 4,160,884
`
`
`continuation of application No. 12/239,001, filed on
`
`
`Sep. 26, 2008, now Pat. No. 8,155,012, which is a 4,173,714
`
`
`
`continuation of application No. 10/668,708, filed on
`
`
`
`Sep. 23, 2003, now Pat. No. 7,457,250, which is a 4,186,339
`
`
`
`continuation of application No. 09/370,430, filed on
`
`Aug. 9, 1999, now Pat. No. 6,650,622, which is a 4,232,199
`
`
`continuation-in-part of application No. PCT/US99/ 4,254,305
`07846, filed on Apr. 8, 1999.
`
`
`
`(60) Provisional application No. 60/081,279, filed on Apr. 4,273,955
`10, 1998.
`(51) Int. Cl.
`H04L 1/24 (2006.01)
`H04B 3/54 (2006.01)
`HOJR 24/64 (2011.01)
`HOJR 107/00 (2006.01)
`References Cited
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`
`2
`
`CISCO 1006
`Cisco v. ChriMar
`
`

`

`Page 3
`
`US 9,812,825 B2
`U.S. PATENT DOCUMENTS
`
`References Cited
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`
`3
`
`CISCO 1006
`Cisco v. ChriMar
`
`

`

`(56)
`
`References Cited
`
`Page 4
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`US 9,812,825 B2
`U.S. PATENT DOCUMENTS
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`CISCO 1006
`Cisco v. ChriMar
`
`

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`Page 5
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`US 9,812,825 B2
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`CISCO 1006
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`

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`
`6
`
`CISCO 1006
`Cisco v. ChriMar
`
`

`

`9/1996
`W0-9629638 Al
`
`11/1996
`
`W0-9628940 A3
`12/1996
`
`W0-9628920 A3
`3/1997
`
`W0-9709667 Al
`1/1998
`
`98/01976 Al
`11/1998
`
`98/51120 A2
`12/1998
`
`W0-9857248 A2
`4/1999
`
`99/21143 Al
`7 /1999
`
`W0-9934591 Al
`12/1999
`
`99/63726 Al
`
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