Case 2:13-cv-00213-JRG-RSP Document 1 Filed 03/15/13 Page 1 of 6 PageID #: 1
`
`IN THE UNITED STATES DISTRICT COURT
`FOR THE EASTERN DISTRICT OF TEXAS
`MARSHALL DIVISION
`
`
`
`
`
`
`Case No.
`
`
`
`Jury Trial Requested
`
`
`
`REMBRANDT WIRELESS
`TECHNOLOGIES, LP,
`
`
`Plaintiff,
`
`
`
`v.
`
`
`SAMSUNG ELECTRONICS CO. LTD.;
`SAMSUNG ELECTRONICS AMERICA, LLC;
`SAMSUNG TELECOMMUNICATIONS
`AMERICA, LLC; SAMSUNG AUSTIN
`SEMICONDUCTOR, LLC; RESEARCH IN
`MOTION, CORP. and RESEARCH IN
`MOTION, LTD,
`
`
`Defendants.
`
`
`§
`§
`§
`§
`§
`§
`§
`§
`§
`§
`§
`§
`§
`§
`§
`§
`
`
`
`REMBRANDT WIRELESS TECHNOLOGIES LP’S
`COMPLAINT FOR PATENT INFRINGEMENT
`
`Plaintiff Rembrandt Wireless Technologies LP (“Rembrandt” or “Plaintiff”) hereby
`
`submits this Complaint against Defendants Samsung Electronics Co. Ltd., Samsung Electronics
`
`America, LLC, Samsung Telecommunications America, LLC, Samsung Austin Semiconductor,
`
`LLC, Research in Motion Corp., and Research in Motion Ltd. (collectively “Defendants”) and
`
`states as follows:
`
`THE PARTIES
`
`1.
`
`Rembrandt is a Virginia limited partnership, having a principal place of business
`
`at 401 City Ave., Suite 900, Bala Cynwyd, Pennsylvania 19004.
`
`2.
`
`Rembrandt is the assignee and owner of the patent at issue in this action, United
`
`States Patent No. 8,023,580 (“the ’580 Patent”).
`
` 
`
`1
`
`Exhibit 1202 01/27
`
`

`
`Case 2:13-cv-00213-JRG-RSP Document 1 Filed 03/15/13 Page 2 of 6 PageID #: 2
`
`3.
`
`Rembrandt is informed and believes, and on that basis alleges, that Defendant
`
`Samsung Electronics Co. Ltd. is a corporation organized and existing under the laws of Republic
`
`of Korea, having a principal place of business at 1320-10, Seocho 2-dong, Seocho-gu, Seoul
`
`137-857, Republic of Korea.
`
`4.
`
`Rembrandt is informed and believes, and on that basis alleges, that Samsung
`
`Electronics America, LLC is a wholly-owned subsidiary of Samsung Electronics Co. Ltd. and is
`
`incorporated under the laws of New York, having a principal place of business at 85 Challenger
`
`Road, Ridgefield Park, New Jersey 07660.
`
`5.
`
`Rembrandt is informed and believes, and on that basis alleges, that Samsung
`
`Telecommunications America, LLC is a wholly-owned subsidiary of Samsung Electronics Co.
`
`Ltd. and is incorporated under the laws of Delaware, having a principal place of business at 1301
`
`E. Lookout Dr., Richardson, Texas 75082.
`
`6.
`
`Rembrandt is informed and believes, and on that basis alleges, that Samsung
`
`Austin Semiconductor, LLC a wholly-owned subsidiary of Samsung Electronics Co. Ltd. and is
`
`a Delaware limited liability company with its principal place of business at 12100 Samsung
`
`Boulevard, Austin, Texas 78754.
`
`7.
`
`Rembrandt collectively refers herein to Defendants Samsung Electronics Co. Ltd.,
`
`Samsung Electronics America, LLC, Samsung Telecommunications America, LLC, and
`
`Samsung Austin Semiconductor, LLC as “Samsung.”
`
`8.
`
`Rembrandt is informed and believes, and on that basis alleges, that Research in
`
`Motion Corporation is a Delaware corporation with its principal place of business at 122 West
`
`John Carpenter Parkway, Suite 430, Irving, TX 75039
`
` 
`
`2
`
`Exhibit 1202 02/27
`
`

`
`Case 2:13-cv-00213-JRG-RSP Document 1 Filed 03/15/13 Page 3 of 6 PageID #: 3
`
`9.
`
`Rembrandt is informed and believes, and on that basis alleges, that Research in
`
`Motion Ltd. is a Canadian corporation with its principal place of business at 259 Phillip Street,
`
`Waterloo, Ontario, N2L 3W8 Canada.
`
`10.
`
`Rembrandt collectively refers herein to Defendants Research in Motion Corp. and
`
`Research in Motion Ltd. as “Research in Motion.”
`
`JURISDICTION AND VENUE
`
`11.
`
`This Court has subject matter jurisdiction pursuant to 28 U.S.C. §§ 1331 and
`
`1338(a) because this action arises under the patent laws of the United States, 35 U.S.C. §§ 101 et
`
`seq.
`
`12.
`
`Venue is proper in this federal district pursuant to 28 U.S.C. §§1391(b)-(c) and
`
`1400(b) in that Defendants have done business in this District, have committed acts of
`
`infringement in this District, and continue to commit acts of infringement in this District,
`
`entitling Rembrandt to relief.
`
`INFRINGEMENT OF U.S. PATENT NO. 8,023,580
`
`13.
`
`On September 20, 2011, United States Patent No. 8,023,580 was duly and legally
`
`issued for inventions entitled “System and Method of Communication Using at Least Two
`
`Modulation Methods.” Rembrandt was assigned the ’580 Patent and continues to hold all rights
`
`and interest in the ’580 Patent. A true and correct copy of the ’580 Patent is attached hereto as
`
`Exhibit A.
`
`14.
`
`Upon information and belief, Samsung and Research in Motion have infringed
`
`directly and indirectly and continue to infringe directly and indirectly the ’580 Patent. The
`
`infringing acts include, but are not limited to, the manufacture, use, sale, importation, and/or
`
`offer for sale of products practicing the following Bluetooth standards: Version 2.0 + EDR,
`
` 
`
`3
`
`Exhibit 1202 03/27
`
`

`
`Case 2:13-cv-00213-JRG-RSP Document 1 Filed 03/15/13 Page 4 of 6 PageID #: 4
`
`Version 2.1 + EDR, Version 3.0 + HS, and Version 4.0 (“Bluetooth Standards”). Each of these
`
`Bluetooth Standards supports Enhanced Data Rate (“EDR”) mode, thereby using at least two
`
`modulation methods.
`
`15.
`
`Samsung’s Bluetooth Standards compliant products include but are not limited to:
`
`Galaxy S III, Galaxy S II, Galaxy S II Skyrocket, Galaxy Stellar, Conquer 4G, Focus 2, Galaxy
`
`Nexus, Galaxy Exhibit, Galaxy Proclaim, ATIV Odyssey, Galaxy Note II, Galaxy Note, Nexus
`
`10, Galaxy Tab 2, Galaxy Tab, Galaxy Player 4.0, Galaxy Player 5.0, ES Series televisions with
`
`3D support (e.g., UN32ES6500, UN50ES6500, UN75ES9000), and D Series televisions with 3D
`
`support (e.g., UN46D8000, UN55D8000, UN60D8000).
`
`16.
`
`Research in Motion’s Bluetooth Standards compliant products include but are not
`
`limited to: BlackBerry Z10, BlackBerry Q10, BlackBerry Bold 9930/9900/9790, BlackBerry
`
`Torch 9860/9850/9810, BlackBerry Curve 9310/9370/9360/9350, and BlackBerry PlayBook.
`
`17.
`
`Upon information and belief, at least as of the filing of this complaint, Defendants
`
`indirectly infringe one or more claims of the ’580 Patent by active inducement under 35 U.S.C.
`
`§ 271(b). Defendants have induced, caused, urged, encouraged, aided and abetted their direct
`
`and indirect customers to make, use, sell, offer for sale and/or import products which are
`
`interoperable according to the Bluetooth Standards and thereby infringe the ’580 Patent.
`
`Defendants have done so by acts including but not limited to selling products which are
`
`interoperable according to the Bluetooth Standards to their customers; marketing the infringing
`
`capabilities of such products; and providing instructions, technical support and other support and
`
`encouragement for the use of such products. Such conduct by Defendants was intended to and
`
`actually resulted in direct infringement, including the making, using, selling, offering for sale
`
`and/or importation of infringing products in the United States.
`
` 
`
`4
`
`Exhibit 1202 04/27
`
`

`
`Case 2:13-cv-00213-JRG-RSP Document 1 Filed 03/15/13 Page 5 of 6 PageID #: 5
`
`18.
`
`The acts of infringement by Defendants have caused damage to Rembrandt, and
`
`Rembrandt is entitled to recover from Defendants the damages sustained by Rembrandt as a
`
`result of Defendants’ wrongful acts in an amount subject to proof at trial. The infringement of
`
`Rembrandt’s exclusive rights under the ’580 Patent by Defendants has damaged and will
`
`continue to damage Rembrandt, causing irreparable harm, for which there is no adequate remedy
`
`at law, unless enjoined by this Court.
`
`19.
`
`Rembrandt intends to seek discovery on the issue of willfulness and reserves the
`
`right to seek a willfulness finding relative to pre-suit infringement and/or post-suit infringement
`
`of the ’580 Patent.
`
`JURY DEMAND
`
`20.
`
`Rembrandt hereby demands a trial by jury on all issues.
`
`PRAYER FOR RELIEF
`
`WHEREFORE, Rembrandt requests entry of judgment in its favor and against
`
`Defendants as follows:
`
`a)
`
`A declaration that Defendants have infringed and are infringing U.S. Patent No.
`
`8,023,580;
`
`b)
`
`An Order permanently enjoining Defendants, their respective officers, agents,
`
`employees, and those acting in privity with them, from further direct and/or
`
`indirect infringement of U.S. Patent No. 8,023,580;
`
`c)
`
`An award of damages to Rembrandt arising out of Defendants’ infringement of
`
`the U.S. Patent No. 8,023,580, including enhanced damages pursuant to 35 U.S.C.
`
`§ 284, together with prejudgment and post-judgment interest, in an amount
`
`according to proof;
`
` 
`
`5
`
`Exhibit 1202 05/27
`
`

`
`Case 2:13-cv-00213-JRG-RSP Document 1 Filed 03/15/13 Page 6 of 6 PageID #: 6
`
`d)
`
`An award of attorneys’ fees pursuant to 35 U.S.C. § 285 or as otherwise permitted
`
`by law; and,
`
`e)
`
`Granting Rembrandt its costs and further relief as the Court may deem just and
`
`proper.
`
`Respectfully submitted,
`
`
`
` /s/ Michael Heim (by permission Miranda Jones)
`Michael F. Heim (Texas Bar No. 09380923)
`mheim@hpcllp.com
`Eric Enger (Texas Bar No. 24045833)
`eenger@hpcllp.com
`Miranda Y. Jones (Texas Bar No. 24065519)
`mjones@hpcllp.com
`HEIM, PAYNE & CHORUSH, LLP
`600 Travis Street, Suite 6710
`Houston, Texas 77002-2912
`Telephone: (713) 221-2000
`Facsimile: (713) 221-2021
`
`
`
`Demetrios Anaipakos (Texas Bar No. 00793258)
`danaipakos@azalaw.com
`Amir Alavi (Texas Bar No. 00793239)
`aalavi@azalaw.com
`Steven J. Mitby (Texas Bar No. 24037123)
`smitby@azalaw.com
`Brian E. Simmons (Texas Bar No. 24004922)
`bsimmons@azalaw.com
`AHMAD, ZAVITSANOS, ANAIPAKOS,
`ALAVI & MENSING, P.C.
`1221 McKinney Street, Suite 3460
`Houston, TX 77010
`Telephone: 713-655-1101
`Facsimile: 713-655-0062
`
`T. John Ward, Jr.
`LAW OFFICE OF T. JOHN WARD, JR. P.C.
`111 W. Tyler Street
`Longview, Texas 75601
`Phone (903)757-6400
`TollFree (866)305-6400
`Fax (903) 757-2323
`
`ATTORNEYS FOR REMBRANDT WIRELESS
`TECHNOLOGIES LP
`
`
`Dated: March 15, 2013
`
`
`
`
`
`
`
`
`
` 
`
`6
`
`Exhibit 1202 06/27
`
`

`
`Case 2:13-cv-00213-JRG-RSP Document 1-1 Filed 03/15/13 Page 1 of 20 PageID #: 7
`
`
`
`EXHIBIT A
`
`
`
`
`Exhibit 1202 07/27
`
`

`
`Case 2:13-cv-00213-JRG-RSP Document 1-1 Filed 03/15/13 Page 2 of 20 PageID #: 8
`111111
`1111111111111111111111111111111111111111111111111111111111111
`US008023580B2
`
`c12) United States Patent
`Bremer
`
`(10) Patent No.:
`(45) Date of Patent:
`
`US 8,023,580 B2
`Sep.20,2011
`
`(54) SYSTEM AND METHOD OF
`COMMUNICATION USING AT LEAST TWO
`MODULATION METHODS
`
`(76)
`
`Inventor: Gordon F. Bremer, Clearwater, FL (US)
`
`( *) Notice:
`
`Subject to any disclaimer, the term of this
`patent is extended or adjusted under 35
`U.S.C. 154(b) by 0 days.
`
`(21) Appl. No.: 12/543,910
`
`(22) Filed:
`
`Aug. 19, 2009
`
`(65)
`
`Prior Publication Data
`
`US 2010/0183055 Al
`
`Jul. 22, 2010
`
`Related U.S. Application Data
`
`(63) Continuation of application No. 11/774,803, filed on
`Jul. 9, 2007, now Pat. No. 7,675,965, which is a
`continuation of application No. 10/412,878, filed on
`Apr. 14, 2003, now Pat. No. 7,248,626, which is a
`continuation-in-part of application No. 09/205,205,
`filed on Dec. 4, 1998, now Pat. No. 6,614,838.
`
`4,091,422 A
`4,335,464 A
`4,381,546 A
`4,464,767 A
`4,503,545 A
`4,509,171 A
`4,516,216 A
`4,525,846 A
`4,525,847 A
`4,532,640 A
`4,630,286 A
`4,645,871 A
`4,654,807 A
`4,663,766 A
`4,677,625 A
`4,782,498 A
`
`511978 Amster
`6/1982 Armstrong et al.
`4/1983 Armstrong
`8/1984 Bremer
`3/1985 Bremer eta!.
`4/1985 Bremer eta!.
`5/1985 Armstrong
`6/1985 Bremer eta!.
`6/1985 Bremer
`7/1985 Bremer eta!.
`12/1986 Betts
`2/1987 Bremer eta!.
`3/1987 Bremer
`5/1987 Bremer
`6/19 87 Betts et a!.
`1111988 Copeland, III
`(Continued)
`
`OTHER PUBLICATIONS
`
`"Conelrad Emergency Radio Notification System Born in 1951",
`www.modestoradiomuseum.org, Accessed on Dec. 5, 2010, 2 pages.
`
`(Continued)
`
`Primary Examiner- Dac Ha
`(74) Attorney, Agent, or Firm- Condo Roccia LLP
`
`(60) Provisional application No. 60/067,562, filed on Dec.
`5, 1997.
`
`(57)
`
`ABSTRACT
`
`(51)
`
`Int. Cl.
`H04L 5112
`(2006.01)
`(52) U.S. Cl. ........ 375/261; 455/102; 332/108; 3321119;
`332/151
`(58) Field of Classification Search . ... ... ... ... .. ... 3 7 5/261,
`375/269, 285, 222, 298, 302, 305, 308; 455/102,
`4551110; 332/108, 119, 120, 151
`See application file for complete search history.
`
`(56)
`
`References Cited
`
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`5/1973 Acker et al.
`3,736,528 A
`9/1973 Bremer
`3,761,840 A
`7/1976 Rigby eta!.
`3,970,926 A
`
`A device may be capable of communicating using at least two
`type types of modulation methods. The device may include a
`transceiver capable of acting as a master according to a mas(cid:173)
`ter/slave relationship in which communication from a slave to
`a master occurs in response to communication from the mas(cid:173)
`ter to the slave. The master transceiver may send transmis(cid:173)
`sions discrete transmissions structured with a first portion and
`a payload portion. Information in the first portion may be
`modulated according to a first modulation method and indi(cid:173)
`cate an impending change to a second modulation method,
`which is used for transmitting the payload portion. The dis(cid:173)
`crete transmissions may be addressed for an intended desti(cid:173)
`nation of the payload portion.
`
`79 Claims, 8 Drawing Sheets
`
`Exhibit 1202 08/27
`
`

`
`Case 2:13-cv-00213-JRG-RSP Document 1-1 Filed 03/15/13 Page 3 of 20 PageID #: 9
`
`US 8,023,580 B2
`Page 2
`
`U.S. PATENT DOCUMENTS
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`7/1995 Bremer eta!.
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`5,448,555 A
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`12/1995 Chapman et a!.
`5,475,713 A
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`5,506,866 A
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`5,513,213 A
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`5,521,942 A
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`5,559,792 A
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`5,651,114 A
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`8/1997 Bremer eta!.
`5,671,250 A
`9/1997 Bremer eta!.
`1111997 Ko
`5,684,825 A
`5,684,834 A
`1111997 Betts eta!.
`5,711,012 A
`111998 Bottoms et a!.
`5,719,922 A
`2/1998 Bremer eta!.
`5,719,923 A
`2/1998 Bremer eta!.
`5/1998 Amersfoort et a!.
`5,748,811 A
`5,764,699 A * 6/1998 Needham et a!. ............. 375/261
`5,793,800 A
`8/1998 Jylha eta!.
`9/1998 Bingel eta!.
`5,805,669 A
`5,805,755 A
`9/1998 Amersfoort et a!.
`5,812,537 A
`9/1998 Betts eta!.
`5,825,517 A
`10/1998 Antoniades et a!.
`10/1998 Betts eta!.
`5,828,657 A
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`1111998 Patel
`5,844,944 A
`12/1998 Betts eta!.
`5,859,877 A
`111999 Betts eta!.
`5,881,047 A
`3/1999 Bremer eta!.
`3/1999 Frankel et a!.
`5,881,142 A
`5,901,205 A
`5/1999 Smith eta!.
`5,915,003 A
`6/1999 Bremer eta!.
`5,936,949 A
`8/1999 Pasternak et al.
`5,940,438 A * 8/1999 Poon eta!. .................... 375/222
`5,960,400 A
`9/1999 Bremer
`5,963,620 A
`10/1999 Frankel et a!.
`
`................ 375/377
`
`12/1999 Polley eta!.
`5,999,563 A
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`6,011,814 A
`212000 Schurr eta!.
`6,021,158 A
`212000 Bremer eta!.
`6,031,897 A
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`6,061,392 A
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`6,067,297 A
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`6,097,858 A
`8/2000 La or
`6,097,860 A
`8/2000 La or
`6,101,299 A
`8/2000 Holmquist
`6,108,347 A
`8/2000 Bremer
`6,111,936 A
`6,125,148 A * 9/2000 Frodigh et a!. ................ 375/261
`6,134,245 A
`10/2000 Scarmalis
`6,154,524 A
`1112000 Bremer
`6,157,680 A
`12/2000 Betts eta!.
`6,160,790 A
`12/2000 Bremer
`6,175,436 B1
`112001 Jackel
`6,185,083 B1
`2/2001 Mathieu et a!.
`6,212,227 B1
`4/2001 Ko eta!.
`6,236,481 B1
`5/2001 La or
`6,236,717 B1
`5/2001 Bremer eta!.
`6,243,391 B1
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`6,252,644 B1
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`6,272,108 B1
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`6,307,923 B1
`10/2001 Bremer eta!.
`6,320,879 B1
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`6,320,993 B1
`1112001 La or
`6,330,275 B1
`12/2001 Bremer
`6,335,992 B1
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`6,348,986 B1
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`6,408,056 B1
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`6,445,733 B1
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`6,480,645 B1
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`6,493,475 B1
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`6,529,652 B1
`3/2003 Bremer
`6,535,589 B1
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`6,546,090 B1
`4/2003 Bremer eta!.
`6,549,692 B1
`4/2003 Hare! eta!.
`6,556,540 B1
`4/2003 Mawhinney et a!.
`6,580,709 B1
`6/2003 Gorshe et al.
`6/2003 Bremer eta!.
`6,580,785 B2
`6,591,029 B1
`7/2003 Lin eta!.
`6,597,827 B1
`7/2003 Bremer eta!.
`6,603,894 B1
`8/2003 Pu
`6,614,838 B1
`9/2003 Bremer
`6,628,857 B1
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`6,631,119 B1
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`6,633,693 B1
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`6,647,058 B1
`1112003 Bremer eta!.
`6,658,096 B2
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`6,690,849 B1
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`6,715,124 B1
`3/2004 Betts
`6,744,883 B1
`6/2004 Bingel eta!.
`6,771,740 B1
`8/2004 Bingel
`6,775,355 B1
`8/2004 Bingel eta!.
`6,782,094 B1
`8/2004 Venz eta!.
`6,782,096 B1
`8/2004 Bremer eta!.
`6,885,730 B1
`4/2005 Bremer
`6,922,415 B1
`7/2005 Bremer eta!.
`6,950,444 B1
`9/2005 Holmquist et a!.
`6,970,501 B1
`1112005 Bremer eta!.
`7,006,445 B1
`2/2006 Cole eta!.
`7,013,421 B2
`3/2006 Betts
`7,020,266 B2
`3/2006 Bremer eta!.
`7,023,829 B1
`4/2006 Holmquist et a!.
`7,035,380 B1
`4/2006 Bingel eta!.
`5/2006 Betts eta!.
`7,046,798 B2
`7,058,833 B1
`6/2006 Bremer eta!.
`7,065,205 B1
`6/2006 Bingel eta!.
`
`Exhibit 1202 09/27
`
`

`
`Case 2:13-cv-00213-JRG-RSP Document 1-1 Filed 03/15/13 Page 4 of 20 PageID #: 10
`
`US 8,023,580 B2
`Page 3
`
`7,127,048 B2
`7,130,338 B2
`7,155,016 B1
`7,170,867 B2
`7,248,626 B2
`7,272,215 B2
`7,289,604 B2
`7,289,610 B2
`7,352,803 B2
`7,471,777 B2
`7,675,965 B2
`7,707,446 B2
`7,711,109 B2
`7,747,000 B2
`200110022836 A1
`2002/0041662 A1
`2002/0167949 A1
`2003/0039348 A1
`2003/0210773 A1
`2003/0210779 A1
`2004/0013183 A1
`2004/0042510 A1
`2004/0052361 A1
`2004/0066929 A1
`2004/0081233 A1
`2004/0179662 A1
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`2004/0258236 A1
`2005/0025153 A1
`2005/0074057 A1
`2005/0147158 A1
`2005/0152404 A1
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`2005/0180545 A1
`2006/0188088 A1
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`2006/0195712 A1
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`
`10/2006 Bremer eta!.
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`12/2006 Betts eta!.
`112007 O'Toole eta!.
`7/2007 Bremer
`9/2007 Bremer eta!.
`10/2007 Bremer
`10/2007 Bremer eta!.
`4/2008 Bremer eta!.
`12/2008 Bremer eta!.
`3/2010 Bremer
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`5/2010 Betts eta!.
`6/2010 Bremer eta!.
`9/2001 Bremer eta!.
`4/2002 Bremer eta!.
`1112002 Bremer eta!.
`2/2003 Bremer eta!.
`1112003 Bremer eta!.
`1112003 Bremer eta!.
`112004 Bremer
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`3/2004 Betts eta!.
`4/2004 Bremer eta!.
`4/2004 Bremer eta!.
`9/2004 Bremer eta!.
`10/2004 Bremer eta!.
`12/2004 Bremer eta!.
`2/2005 Bremer eta!.
`4/2005 Bremer eta!.
`7/2005 Bremer eta!.
`7/2005 Holmquist eta!.
`7/2005 Bremer
`8/2005 Bremer eta!.
`8/2006 Bingel eta!.
`8/2006 Betts
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`3/2007 Bremer
`3/2007 Bremer
`12/2007 Bremer
`112008 Bremer
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`7/2010 Bremer
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`Exhibit 1202 10/27
`
`

`
`Case 2:13-cv-00213-JRG-RSP Document 1-1 Filed 03/15/13 Page 5 of 20 PageID #: 11
`
`US 8,023,580 B2
`Page 4
`
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`General Switched Telephone Network", ITU-T Recommendation
`T.30-Amendment 2, Oct. 1997, 18 pages.
`* cited by examiner
`
`Exhibit 1202 11/27
`
`

`
`Case 2:13-cv-00213-JRG-RSP Document 1-1 Filed 03/15/13 Page 6 of 20 PageID #: 12
`
`U.S. Patent
`
`Sep.20,2011
`
`Sheet 1 of8
`
`US 8,023,580 B2
`
`''~·::.:;.
`·> ••• "'
`
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`24
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`FIG~ 1
`Priior Art
`
`Exhibit 1202 12/27
`
`

`
`Case 2:13-cv-00213-JRG-RSP Document 1-1 Filed 03/15/13 Page 7 of 20 PageID #: 13
`
`U.S. Patent
`
`Sep.20,2011
`
`Sheet 2 of8
`
`US 8,023,580 B2
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`n· ..
`'T·· .... · .. ".b·2.·.· ...
`
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`Exhibit 1202 13/27
`
`

`
`Case 2:13-cv-00213-JRG-RSP Document 1-1 Filed 03/15/13 Page 8 of 20 PageID #: 14
`
`U.S. Patent
`
`Sep.20,2011
`
`Sheet 3 of8
`
`US 8,023,580 B2
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`Exhibit 1202 14/27
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`

`
`Case 2:13-cv-00213-JRG-RSP Document 1-1 Filed 03/15/13 Page 9 of 20 PageID #: 15
`
`U.S. Patent
`
`Sep.20,2011
`
`Sheet 4 of8
`
`US 8,023,580 B2
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`Exhibit 1202 15/27
`
`

`
`Case 2:13-cv-00213-JRG-RSP Document 1-1 Filed 03/15/13 Page 10 of 20 PageID #: 16
`
`U.S. Patent
`
`Sep.20,2011
`
`Sheet 5 of8
`
`US 8,023,580 B2
`
`Trib 2
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`Exhibit 1202 16/27
`
`

`
`Case 2:13-cv-00213-JRG-RSP Document 1-1 Filed 03/15/13 Page 11 of 20 PageID #: 17
`
`U.S. Patent
`
`Sep.20,2011
`
`Sheet 6 of8
`
`US 8,023,580 B2
`
`Pt~ll. Reql;..tesfi
`Tramng
`
`FIG~ 6
`
`Exhibit 1202 17/27
`
`

`
`Case 2:13-cv-00213-JRG-RSP Document 1-1 Filed 03/15/13 Page 12 of 20 PageID #: 18
`
`U.S. Patent
`
`Sep.20,2011
`
`Sheet 7 of8
`
`US 8,023,580 B2
`
`Pen Request!
`Trn.:1Hng
`
`FIG. 7
`
`Exhibit 1202 18/27
`
`

`
`Case 2:13-cv-00213-JRG-RSP Document 1-1 Filed 03/15/13 Page 13 of 20 PageID #: 19
`
`U.S. Patent
`
`Sep.20,2011
`
`Sheet 8 of8
`
`US 8,023,580 B2
`
`Exhibit 1202 19/27
`
`

`
`Case 2:13-cv-00213-JRG-RSP Document 1-1 Filed 03/15/13 Page 14 of 20 PageID #: 20
`
`US 8,023,580 B2
`
`1
`SYSTEM AND METHOD OF
`COMMUNICATION USING AT LEAST TWO
`MODULATION METHODS
`
`CROSS REFERENCE TO RELATED
`APPLICATION
`
`This application is a continuation of U.S. application Ser.
`No. 11/774,803, filed on Jul. 9, 2007, which is a continuation
`ofU.S. application Ser. No. 10/412,878, filed Apr. 14, 2003,
`which is a continuation-in-part of U.S. application Ser. No.
`09/205,205, filed Dec. 4, 1998, and which claims priority to
`and the benefit of the filing date of U.S. Provisional Applica(cid:173)
`tion No. 60/067,562, filed Dec. 5, 1997, each of which is
`incorporated by reference herein.
`
`TECHNICAL FIELD
`
`The present invention relates generally to the fields of data
`communications and modulator/demodulators (modems),
`and, more particularly, to a data communications system in
`which a plurality of modulation methods are used to facilitate
`communication among a plurality of modem types.
`
`BACKGROUND
`
`2
`be very cost inefficient to construct. For example, some appli(cid:173)
`cations (e.g., internet access) require high performance
`modulation, such as quadrature amplitude modulation
`(QAM), carrier amplitude and phase (CAP) modulation, or
`discrete multitone (DMT) modulation, while other applica(cid:173)
`tions (e.g., power monitoring and control) require only mod(cid:173)
`est data rates and therefore a low performance modulation
`method. All users in the system will generally have to be
`equipped with a high performance modem to ensure modu(cid:173)
`lation compatibility. These state of the art modems are then
`10 run at their lowest data rates for those applications