111111111111111111111111111111111111111111111111111111111111111111111111111
`US0081550 12B2
`
`c12) United States Patent
`Austermann, III et al.
`
`(10) Patent No.:
`(45) Date of Patent:
`
`US 8,155,012 B2
`Apr. 10, 2012
`
`(54) SYSTEM AND METHOD FOR ADAPTING A
`PIECE OF TERMINAL EQUIPMENT
`
`(75)
`
`Inventors: John F. Austermann, III, Huntington
`Woods, MI (US); Marshall B.
`Cummings, Troy, MI (US)
`
`(73) Assignee: ChriMar Systems, Inc., Farmington
`Hills, MI (US)
`
`( *) Notice:
`
`Subject to any disclaimer, the term of this
`patent is extended or adjusted under 35
`U.S.C. 154(b) by 331 days.
`
`(21) Appl. No.: 12/239,001
`
`(22) Filed:
`
`Sep.26,2008
`
`(65)
`
`Prior Publication Data
`US 2009/0022057 Al
`Jan.22,2009
`
`Related U.S. Application Data
`(63) Continuation of application No. 10/668,708, filed on
`Sep. 23, 2003, now Pat. No. 7,457,250, which is a
`continuation of application No. 09/370,430, filed on
`Aug. 9, 1999, now Pat. No. 6,650,622, which is a
`continuation-in-part
`of
`application
`No.
`PCT/US99/07846, filed on Apr. 8, 1999.
`
`( 60) Provisional application No. 60/081,279, filed on Apr.
`10, 1998.
`
`(51)
`
`Int. Cl.
`H04L 12112
`(2006.01)
`(2006.01)
`GOSB 13114
`(52) U.S. Cl. ...................... 370/241; 370/445; 340/568.1
`(58) Field of Classification Search ........................ None
`See application file for complete search history.
`
`(56)
`
`References Cited
`
`U.S. PATENT DOCUMENTS
`202,495 A
`4/1878 Watson
`(Continued)
`
`DE
`
`FOREIGN PATENT DOCUMENTS
`3907652 A1
`9/1990
`(Continued)
`
`OTHER PUBLICATIONS
`
`Entertainment Services and Technology Association (ESTA)-Rec(cid:173)
`ommended Practice for Ethernet Cabling Systems in Entertainment
`Lighting Applications [44 pages] (1996).
`
`(Continued)
`
`Primary Examiner- Chi Pham
`Assistant Examiner- Soon-Dong Hyun
`(74) Attorney, Agent, or Firm- Harness, Dickey & Pierce,
`P.L.C.
`
`(57)
`
`ABSTRACT
`
`In accordance with the teachings of the present invention, a
`communication system (17) is provided for generating and
`monitoring data over pre-existing conductors (2A-2D)
`between associated pieces of networked computer equipment
`(3A-3D). The system includes a communication device (16)
`attached to the electronic equipment that transmits informa(cid:173)
`tion to a central module (15) by impressing a low frequency
`signal on the pre-existing data lines of the remotely located
`equipment. A receiver ( 6) in the central module (15) monitors
`the low frequency data on the data lines to determine the
`transmitted information of the electronic equipment. The
`communication device may also be powered by a low current
`power signal from the central module (15). The power signal
`to the communication device may also be fluctuated to pro(cid:173)
`vide useful information, such as status information, to the
`communication device. Relocation of the electronic equip(cid:173)
`ment with attached communication device to another location
`on the network is detected immediately and may be used to
`update a database. This invention is particularly adapted to be
`used with an existing Ethernet communications link or
`equivalents thereof.
`
`148 Claims, 13 Drawing Sheets
`
`~17
`
`HUB
`
`15
`
`16
`
`Page 1
`
`Dell Inc.
`Exhibit 1001
`
`

`
`US 8,155,012 B2
`Page 2
`
`U.S. PATENT DOCUMENTS
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`. ............. 606/35
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`
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`
`Page 2
`
`

`
`US 8,155,012 B2
`Page 3
`
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`5,497,460 A
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`6/1996 Steiner et a!. ............ 342/357.06
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`6/1996 Siu eta!. .................... 379/29.01
`5,532,898 A
`7/1996 Price ............................. 3611119
`5,537,468 A
`7/1996 Hartman .................. 379/221.01
`5,540,235 A
`7/1996 Wilson .......................... 600/554
`5,541,957 A
`7/1996 Lau ............................... 375/258
`8/1996 Smith ............................. 361144
`5,548,466 A
`5,560,022 A
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`10/1996 Faupel et al.
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`Page 3
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`

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`US 8,155,012 B2
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`5,608,545 A
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`5,617,418 A
`5,623,184 A
`5,630,058 A
`5,631,570 A
`5,635,896 A
`5,642,248 A
`5,649,001 A
`5,652,479 A
`5,652,575 A
`5,652,893 A
`5,652,895 A
`5,655,077 A
`5,659,542 A
`5,664,002 A
`5,670,937 A
`5,671,354 A
`5,675,321 A
`5,675,371 A
`5,675,811 A
`5,675,813 A
`5,678,547 A
`5,678,559 A
`5,679,987 A
`5,684,826 A
`5,684,950 A
`5,686,826 A
`5,689,230 A
`5,692,917 A
`5,696,660 A
`5,706,287 A
`5,715,174 A
`5,729,204 A
`5,742,514 A
`5,742,833 A
`5,758,101 A
`5,761,084 A
`5,764,647 A
`5,766,133 A
`5,779,196 A
`5,781,015 A
`5,783,999 A
`5,784,441 A
`5,790,363 A
`5,793,764 A *
`5,796,185 A
`5,796,965 A
`5,799,040 A
`5,799,194 A
`5,799,196 A
`5,802,042 A
`5,802,305 A
`5,805,597 A
`5,805,904 A
`5,808,846 A
`5,810,606 A
`5,814,900 A
`5,815,665 A
`5,821,868 A
`5,828,293 A
`5,834,942 A
`5,835,005 A
`5,836,785 A
`5,841,203 A
`5,841,360 A
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`5,845,150 A
`5,845,190 A
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`1111996 De Pinho Filho .......... 340/855.4
`1111996 Vander Mey et al. ......... 375/139
`1111996 Scholder
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`111997 Harman eta!. ............... 324/127
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`4/1997 Shirani et a!. ................. 370/465
`4/1997 Rector .......................... 315/102
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`10/1997 Faupel eta!. ................. 600/409
`10/1997 Drakulic ....................... 600/544
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`1111997 Dare eta!. ...................... 726/10
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`6/1998 Edwards ....................... 700/293
`6/1998 Riley
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`7/1998 Timar ........................... 244/209
`7/1998 Duffin et al . .................. 324/508
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`8/1998 Bartoldus eta!. ............. 370/390
`8/1998 Takata et al. .................. 307/140
`8/1998 Choi eta!. .................... 713/300
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`9/1998 Natarajan eta!. ............. 370/255
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`9/1998 McKaughan et a!.
`9/1998 Ed em ............................ 370/445
`9/1998 Jung ............................. 713/300
`9/1998 Hoke eta!. .................. 361193.6
`9/1998 Ballast eta!. ................... 439/15
`9/1998 Esser eta!. .................... 307/104
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`10/1998 Rickard ........................ 375/257
`1111998 DeAngelis ................... 324/522
`1111998 Furukawa eta!. ............ 370/400
`1111998 Lee ............................... 439/505
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`1111998 Chanbers et a!.
`1111998 Binder
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`5,854,839 A
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`112000 Chau eta!. .................... 709/229
`112000 Chida eta!. ..................... 710/19
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`4/2001 Hoke eta!. ..................... 361194
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`Page 4
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`

`
`US 8,155,012 B2
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`1112001
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`Croushore et a!. ............ 375/259
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`Luke eta!. ...................... 710/64
`Lys eta!. ...................... 713/300
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`Butland eta!. ................ 700/286
`Czetwiec et a!.
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`Hughes eta!. ................ 725/130
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`Buysse eta!. ................... 606/34
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