Case 6:21-cv-00520-ADA Document 32-8 Filed 02/23/22 Page 1 of 388
`Case 6:21-cv-00520-ADA Document 32-8 Filed 02/23/22 Page 1 of 388
`
`EXHIBIT 9
`EXHIBIT 9
`
`
`
`

`

`(12) United States Patent
`Sorrells et al.
`
`(10) Patent No.:
`(45) Date of Patent:
`
`US 9.246,736 B2
`*Jan. 26, 2016
`
`USOO9246736B2
`
`Inventors:
`
`Assignee:
`
`Notice:
`
`METHOD AND SYSTEM FOR
`DOWN-CONVERTING AN
`ELECTROMAGNETICSIGNAL
`Applicant: PARKERVISION, INC., Jacksonville,
`FL (US)
`David F. Sorrells, Jacksonville, FL (US);
`Michael J. Bultman, Jacksonville, FL
`(US); Robert W. Cook, Switzerland, FL
`(US); Richard C. Looke, Jacksonville,
`FL (US); Charley D. Moses,
`Jacksonville, FL (US); Gregory S.
`Rawlins, Lake Mary, FL (US); Michael
`W. Rawlins, Lake Mary, FL (US)
`ParkerVision, Inc., Jacksonville, FL
`(US)
`Subject to any disclaimer, the term of this
`patent is extended or adjusted under 35
`U.S.C. 154(b) by 0 days.
`This patent is Subject to a terminal dis
`claimer.
`Appl. No.: 14/639,310
`Filed:
`Mar. 5, 2015
`Prior Publication Data
`US 2015/0312084 A1
`Oct. 29, 2015
`Related U.S. Application Data
`Continuation of application No. 14/172,392, filed on
`Feb. 4, 2014, now Pat. No. 9,118,528, which is a
`(Continued)
`
`(54)
`
`(71)
`
`(72)
`
`(73)
`
`(*)
`
`(21)
`(22)
`(65)
`
`(60)
`
`(51)
`
`(52)
`
`(58)
`
`(56)
`
`References Cited
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`U.S. PATENT DOCUMENTS
`
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`3.241,078 A
`
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`3, 1966 Jones
`(Continued)
`
`FOREIGN PATENT DOCUMENTS
`
`EP
`WO
`
`O1926955.4
`WO 9722.185
`
`4/2001
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`(Continued)
`
`Primary Examiner — Sam Bhattacharya
`(74) Attorney, Agent, or Firm — Workman Nydegger
`
`ABSTRACT
`(57)
`Methods, systems, and apparatuses for down converting a
`modulated carrier signal to a demodulated baseband signal
`are described herein. A first Switch is controlled with a first
`control signal Which comprises a first sampling aperture with
`a specified frequency, wherein the first Switch is on during the
`first sampling aperture and wherein the first switch is off
`outside the first sampling aperture. A second Switch is con
`trolled with a second control signal which comprises a second
`sampling aperture and wherein the second Switch is off out
`side the second sampling aperture. The first and second con
`trol signals each control a charging and discharging cycle of
`a respective energy storage element so that for each Switch a
`portion of energy is transferred to the respective energy Stor
`age element when the respective Switch is on during the
`charging cycle, and a portion of previously transferred energy
`is discharged during the discharging cycle for each respective
`switch when the switch is off. A down-converted in-phase
`baseband signal portion is derived from energy accumulated
`at said first energy storage element during both the charging
`and the discharging cycles for the first energy storage element
`and a down-converted inverted in-phase baseband signal por
`tion is derived from energy accumulated at said second
`energy storage element during both the charging and the
`discharging cycles for the second energy storage element, and
`the two portions are combined with a first differential ampli
`fier circuit to form a down-converted differential in-phase
`baseband signal.
`
`28 Claims, 284 Drawing Sheets
`
`Int. C.
`H04L27/38
`HO3C I/62
`
`(2006.01)
`(2006.01)
`(Continued)
`
`U.S. C.
`CPC .............. H04L 27/3881 (2013.01); H03C I/62
`(2013.01); H03D 7700 (2013.01); H03D 7/1475
`(2013.01);
`
`(Continued)
`Field of Classification Search
`CPC ............ H03C 1/62; H04L27/00; H04B 7/12:
`HO1M 10/44
`USPC .............. 455/413, 113, 118, 130, 131, 182.1,
`455/190.1, 1911, 313, 323,343, 350;
`327/113; 375/130, 142, 143, 150, 152,
`375/316,343
`See application file for complete search history.
`
`Case 6:21-cv-00520-ADA Document 32-8 Filed 02/23/22 Page 2 of 388
`
`
`
`

`

`US 9.246,736 B2
`Page 2
`
`Related U.S. Application Data
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`Jan. 7, 2009, now Pat. No. 7,865,177, which is a divi-
`sion of application No. 09/550,644, filed on Apr. 14,
`-
`0
`2000, now Pat. No. 7,515,896, which is a continuation-
`in-part of application No. 09/293,342, filed on Apr. 16,
`1999, now Pat. No. 6,687,493, which is a continuation-
`in-part of application No. 09/176,022, filed on Oct. 21,
`1998, now Pat. No. 6,061,551.
`
`- ww.
`
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`8,660,513 B2 * 2/2014 Sorrells et al. ................ 455,313
`HO3D 7700
`8,824,993 B2
`9/2014 Sorrells et al.
`H04B I/O
`388-39 A; 3 Mits et al.
`aS
`H04B I/28
`2003.0167204 A1
`9/2003 Makipaa
`H04B 7/2
`2003,0227983 A1 12/2003 Milne et al.
`H04L27/00
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`28:8; 3. A
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`7/2013 Sorrells et al.
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`2013/0202070 A1
`8/2013 Sorrells et al.
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`8/2013 Karlguist
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`Terman, "Radio Engineers' Handbook'. Institute of Radio Engi
`neers, 1943, 2 pages. (The month of Publication is irrelevant since the
`year of Publication is clearly prior to the filing of the Application).
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`ments'. Agilent Technologies, Aug. 2010, 31 pages.
`IPR 2014-00947 Patent Owner's Motion for Observation on Cross
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`Asad Abidi filed in IPR Proceedings Jul. 31, 2015.
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`Federal Circuit Decision on Petition for Rehearing dated Oct. 2,
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`IPR2014-00947 Parkervision, Inc.'s Motion for Adverse Judgment
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`ceedings Oct. 29, 2015.
`IPR2014-00948 Patent Owner's Response to Petition filed in IPR
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`IPR2014-00948 Petitioner's Reply to Patent Owner's Response filed
`in IPR Proceedings Jun. 26, 2015.
`IPR 2014-00948 Patent Owner's Motion for Observation on Cross
`Examination of Petitioner's Reply Witness Dr. Asad Abidi filed in
`IPR Proceedings Jul. 27, 2015.
`IPR2014-00948 Petitioner's Reply to Patent Owner's Motion for
`Observation on Cross Examination of Petitioner's Reply Witness Dr.
`Asad Abidi filed in IPR Proceedings Jul. 31, 2015.
`IPR2014-00948 Parkervision, Inc.'s Motion for Adverse Judgment
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`Gibilisco, “The Illustrated Dictionary of Electronics'. Seventh Edi
`tion, Illustrated Dictionary of Electronics, Jun. 1997.9 pages.
`Keys, Cynthia Diane, “Low-Distortion Mixers for RF Communica
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`Maemura, et al., “The 200MHz- and 1.5GHz-Band GaAs Monolithic
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`
`

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`Page 5
`
`(56)
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`References Cited
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`1975 Databook Series, 1975, 21 pages. (The month of Publication is
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`Smith, et al., “Microwave Engineering Handbook vol. 2”. Springer
`US, 1994, 4 pages. (The month of Publication is irrelevant since the
`year of Publication is clearly prior to the filing of the Application).
`Sullivan, et al., “Active doubly Balanced Mixers for CMDSRFICs”,
`Microwave Journal, Oct. 1997, 11 pages.
`Tsividis, “A First Lab in Circuits and Electronics', Colombia Uni
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`Teetzel, Andrew, “A Stable 250 to 4000MHz GaAs IQ Modulator
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`Lee, Thomas, “The Design of CMOS Radio-Frequency Integrated
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`
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`“Dual 4-channel analogue multiplexer/demultiplexer”, Philips, Jan.
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`“Toshiba CMOS Digital Integrated Circuit Silicon Monolithic',
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`
`Case 6:21-cv-00520-ADA Document 32-8 Filed 02/23/22 Page 6 of 388
`
`

`

`U.S. Patent
`
`Jan. 26, 2016
`
`Sheet 1 of 284
`
`US 9.246,736 B2
`
`12
`
`MODULATING BASEBAND
`SIGNAL FMB
`
`FIG. 1
`
`MODULATOR
`
`MODULATED CARRIER
`SIGNAL FMC
`
`116
`
`
`
`CARRIER SIGNAL FC
`
`14
`
`210 N
`FIG 2
`EXAMPLE ANALOG NODULATING BASEBAND SIGNALF
`
`AMPITUDE
`
`310 N
`FIG. 3
`EXAMPLE DIGITAL MODULATING BASEBAND SIGNALF
`
`
`
`SECOND STATE 314
`
`FIRST STATE 32
`
`Case 6:21-cv-00520-ADA Document 32-8 Filed 02/23/22 Page 7 of 388
`
`CARRIER SIGNAL
`(e.g. 900 MHz)
`40-N
`
`FIG. 4
`
`"iM
`
`'' |||||||||
`
`

`

`U.S. Patent
`
`Jan. 26, 2016
`
`Sheet 2 of 284
`
`US 9.246,736 B2
`
`ANALOG
`BASEBAND SIGNAL
`20 N
`
`FIG. 5A
`
`to
`
`t
`
`t?
`
`t3
`
`t
`
`CARIre. N FIG. 5B
`
`M
`III
`
`AM CARRIER
`SIGNAL
`516 N
`M AAA will
`III"
`
`Case 6:21-cv-00520-ADA Document 32-8 Filed 02/23/22 Page 8 of 388
`
`O
`
`1.
`
`FIG. 5C
`
`t3
`
`t
`
`

`

`U.S. Patent
`
`Jan. 26, 2016
`
`Sheet 3 of 284
`
`US 9.246,736 B2
`
`DIGITAL
`
`BASEBA. N
`
`FIG EA
`
`to
`
`t
`
`t?
`
`t
`
`t
`
`CARRIER SIGNAL
`40-N
`
`FIG. GB
`
`M
`|||||||||||
`
`AM CAERSEAL N FIG. BC
`
`Case 6:21-cv-00520-ADA Document 32-8 Filed 02/23/22 Page 9 of 388
`
`

`

`U.S. Patent
`
`Jan. 26, 2016
`
`Sheet 4 of 284
`
`US 9.246,736 B2
`
`ANALOG
`BASEBAND SIGNA
`210-N
`
`
`
`FIG. 7A
`
`FM CARRIER SIGNAL
`76 N
`
`FIG. 70
`
`Case 6:21-cv-00520-ADA Document 32-8 Filed 02/23/22 Page 10 of 388
`
`

`

`U.S. Patent
`
`Jan. 26, 2016
`
`Sheet 5 of 284
`
`US 9.246,736 B2
`
`DIGITA
`
`BAEA Seal N
`
`FIG EA
`
`to
`
`t
`
`t?
`
`t
`
`t4
`
`CARISIL N
`FIG. BB
`NNNNNNNNNNNNNNNNNNNNNNNNNNN
`VVVVVVVVVVVVVVVVVV
`
`FM CARRIER SIGNA
`816 N
`
`FIG. BC
`
`Case 6:21-cv-00520-ADA Document 32-8 Filed 02/23/22 Page 11 of 388
`
`III ( INNANA
`WVVVVVVVVVVVVVVVVVV
`
`to
`
`1.
`
`2
`
`3
`
`4
`
`

`

`U.S. Patent
`
`Jan. 26, 2016
`
`Sheet 6 of 284
`
`US 9.246,736 B2
`
`ANAOG
`BASEBAND SIGNAL
`210 N
`
`FIG. 9A
`
`FIG. 9B
`
`CARRIER SIGNAL
`410 N
`
`Case 6:21-cv-00520-ADA Document 32-8 Filed 02/23/22 Page 12 of 388
`
`PHASE MODULATED
`CARRIER SIGNAL
`916
`N
`
`
`
`FIG. 9C
`
`

`

`U.S. Patent
`
`Jan. 26, 2016
`
`Sheet 7 of 284
`
`US 9.246,736 B2
`
`DIGITAL
`BASEBAND SIGNAL
`30 N
`
`FIG 10A
`
`34
`SECOND STATE
`(AMPLITUDE 2)
`FIRST STATE
`(AMPLITUDE 1)
`312
`to
`
`t
`
`t2
`
`t
`
`t4
`
`CARIrisiel. N
`
`FIG 10B
`
`PHASE MODULATED
`
`CARE gr
`
`FIG 10C
`
`Case 6:21-cv-00520-ADA Document 32-8 Filed 02/23/22 Page 13 of 388
`
`

`

`U.S. Patent
`
`US 9.246,736 B2
`
`
`
`
`
`
`
`
`
`
`
`
`
`Case 6:21-cv-00520-ADA Document 32-8 Filed 02/23/22 Page 14 of 388
`
`

`

`U.S. Patent
`
`Jan. 26, 2016
`
`Sheet 9 of 284
`
`US 9.246,736 B2
`
`201
`
`FIG. 12A
`
`N
`RECEIVING AN EM SIGNAL
`
`
`
`
`
`
`
`RECEIVING AN ALASING SIGNAL
`HAVING AN AIASING RATE
`
`
`
`
`
`
`
`
`
`DOWN-CONVERTING THE EM SIGNAL
`
`GENERIC DOWN-CONVERTING
`FLOWCHART
`
`1202
`
`1204
`
`206
`
`FIG. 12B
`
`1207 N
`RECEIVING AN EM SIGNAL
`
`
`
`Case 6:21-cv-00520-ADA Document 32-8 Filed 02/23/22 Page 15 of 388
`
`
`
`RECEIVING AN ALIASING SIGNA
`HAVING AN AIASING RATE
`
`
`
`
`
`DOWN-CONVERTING THE EM
`SIGNAL TO AN IF SIGNAL
`
`DOWN-CONVERTING AN EM
`SIGNAL TO AN IF SIGNAL
`
`
`
`1208
`
`1210
`
`122
`
`

`

`U.S. Patent
`
`Jan. 26, 2016
`
`Sheet 10 of 284
`
`US 9.246,736 B2
`
`1213
`
`FIG. 12C
`
`N
`RECEIVING AN EM SIGNAL
`
`
`
`
`
`
`
`
`
`RECEIVING AN ALIASING SIGNAL
`HAVING AN ALIASING RATE
`
`DIRECTLY DOWN-CONVERTING THE
`EM SIGNAL TO A DEMODULATED
`BASEBAND SIGNAL
`
`
`
`1214
`
`126
`
`1218
`
`DIRECTLY DOWN-CONVERTING AN EM
`SIGNAL TO A DEMODULATED BASEBAND SIGNAL
`
`FIG. 12D.
`
`1219 N
`RECEIVING AN FM SIGNAL
`
`
`
`
`
`
`
`RECEIVING AN ALIASING SIGNAL
`HAVING AN ALIASING RATE
`
`CONVERTING THE FM SIGNAL
`TO A NON-FM SIGNAL
`
`MODULATION CONVERSION
`
`
`
`1220
`
`1222
`
`1224
`
`Case 6:21-cv-00520-ADA Document 32-8 Filed 02/23/22 Page 16 of 388
`
`

`

`U.S. Patent
`
`Jan. 26, 2016
`
`Sheet 11 of 284
`
`US 9.246,736 B2
`
`1302 N
`1304
`
`FIG. 13
`
`306
`
`EM SIGNAL
`
`ALIASING MODULE
`
`1308
`
`DOWN-CONVERTED
`SIGNA
`
`
`
`
`
`ALIASING SIGNAL HAVING
`AN ALIASING RATE
`
`130
`
`GENERIC DOWN-CONVERTING SYSTEM
`
`FIG. 14A
`
`1401 N
`RECEIVING AN EM SIGNAL
`
`
`
`
`
`1402
`
`
`
`
`
`RECEIVING AN UNDER-SAMPLING
`SIGNAL HAVING AN ALIASING RATE
`
`UNDER-SAMPLING THE EM SIGNAL
`AT THE ALIASING RATE TO
`DOWN-CONVERT THE EM SIGNAL
`
`1404
`
`1406
`
`Case 6:21-cv-00520-ADA Document 32-8 Filed 02/23/22 Page 17 of 388
`
`

`

`U.S. Patent
`
`Jan. 26, 2016
`
`Sheet 12 of 284
`
`US 9.246,736 B2
`
`FIG 14B
`
`407 N
`
`
`
`
`
`
`
`
`
`
`
`RECEIVING AN EM SIGNAL
`
`1408
`
`
`
`RECEIVING AN UNDER-SAMPLING
`SIGNAL HAVING AN ALIASING RATE
`
`UNDER-SAMPLING THE EM SIGNAL
`AT THE ALIASING RATE TO
`DOWN-CONVERT THE EM SIGNAL
`TO AN IF SIGNAL
`
`1410
`
`1412
`
`FIG. 14C
`
`143 N
`
`
`
`RECEIVING AN EM SIGNAL
`
`44
`
`RECEIVING AN, UNDER-SAMPLING
`SIGNAL HAVING AN ALIASING RATE
`
`1416
`
`UNDER-SAMPLING THE EM SIGNAL AT
`THE ALIASING RATE TO DIRECTLY
`DOWN-CONVERT THE EM SIGNAL TO
`A DEMODULATED BASEBAND SIGNAL
`
`148
`
`Case 6:21-cv-00520-ADA Document 32-8 Filed 02/23/22 Page 18 of 388
`
`

`

`U.S. Patent
`
`Jan. 26, 2016
`
`Sheet 13 of 284
`
`US 9.246,736 B2
`
`1419-N
`
`FIG. 14D
`
`
`
`RECEIVING AN FM SIGNAL
`
`1420
`
`RECEIVING AN UNDER-SAMPLING 1.
`SIGNAL HAVING AN ALIASING RATE
`
`UNDER-SAMPLING THE FM SIGNAL -
`AT THE ALIASING RATE TO CONVERT
`THE FM SIGNAL TO A NON-FM SIGNAL
`
`Case 6:21-cv-00520-ADA Document 32-8 Filed 02/23/22 Page 19 of 388
`
`

`

`U.S. Patent
`
`Jan. 26, 2016
`
`S