`
`IN THE UNITED STATES DISTRICT COURT
`FOR THE WESTERN DISTRICT OF TEXAS
`WACO DIVISION
`
`PARKERVISION, INC.,
`
`
`
`
`
` Plaintiff,
`
` v.
`
`TCL INDUSTRIES HOLDINGS CO.,
`LTD., TCL ELECTRONICS HOLDINGS
`LTD., SHENZHEN TCL NEW
`TECHNOLOGY CO., LTD., TCL KING
`ELECTRICAL APPLIANCES
`(HUIZHOU) CO., LTD., TCL MOKA
`INT’L LTD., and TCL MOKA
`MANUFACTURING S.A. DE C.V.,
`
` Defendants.
`
`
`
`Case No. 6:20-cv-00945-ADA
`
`JURY TRIAL DEMANDED
`
`
`
`
`
`
`
`JOINT CLAIM CONSTRUCTION STATEMENT
`
`In accordance with the Scheduling Orders entered in the above-captioned actions (DI 31
`
`in Case No. 6:20-cv-00870 and DI 32 in Case No. 6:20-cv-00945), Plaintiff ParkerVision, Inc.
`
`and Defendants TCL Industries Holdings Co., Ltd., TCL Electronics Holdings Ltd., Shenzhen
`
`TCL New Technology Co., Ltd., TCL King Electrical Appliances (Huizhou) Co., Ltd., TCL
`
`Moka Int’l Ltd., and Moka Manufacturing S.A. De C.V. (collectively “TCL”) submit this Joint
`
`Claim Construction Statement. This Statement identifies the disputed constructions for claim
`
`terms found in U.S. patent nos. 6,049,706 (’706 patent); 6,266,518 (’518 patent); 6,580,902
`
`(’902 patent); 7,110,444 (’444 patent); 7,292,835 (’835 patent); 8,588,725 (’725 patent);
`
`8,660,513 (’513 patent); 9,118,528 (’528 patent); 9,246,736 (’736 patent) and 9,444,673 (’673
`
`patent).
`
`1
`
`
`
`Case 6:20-cv-00945-ADA Document 44 Filed 10/15/21 Page 2 of 11
`
`I.
`
`AGREED CONSTRUCTIONS
`
` The parties agree that “the [] switch is coupled to the [] storage element at a node and
`
`coupled to a reference potential” (’474 patent, claim 1) should mean: “Plain and ordinary
`
`meaning, wherein ‘coupled’ is ‘directly connected through a conductor (or a closed switch).’”
`
`II.
`
`DISPUTED CLAIM CONSTRUCTIONS
`
`Claim Term
`
`Proposed for
`Construction
`by
`
`Plaintiff’s
`Proposed
`Construction
`
`“low impedance
`load”
`
`TCL
`
`Plain and ordinary
`meaning
`
`Defendants’
`Proposed
`Construction
`
`Indefinite
`
`TCL
`
`Plain and ordinary
`meaning
`
`Indefinite
`
`“said energy
`discharged from
`said capacitor
`provides sufficient
`power to drive the
`low impedance
`load”
`
`“Storage” terms
`
`Patent(s);
`Claims(s)
`
`’736 patent,
`claims 26, 27;
`’673 patent,
`claim 5
`
`’673 patent,
`claim 5
`
`“an apparatus that
`stores
`non-negligible
`amounts
`of energy from the
`carrier
`signal.”
`
`(all terms are
`indefinite under
`ParkerVision’s
`proposed
`constructions)
`
`’706 claims
`105, 114, 115,
`164, 166, 168,
`175, 179, 186,
`190; ’902 claim
`1; ’444 claim
`3; ’835 claims
`1, 18, 20; ’725
`claims 1, 6, 17,
`18, 19; ’513
`claim 19; ’528
`claims 1, 9;
`’736 claims 1,
`11, 21, 26, 27;
`’673 claims 13,
`17, 18
`
`ParkerVision Energy storage
`element / storage
`element: “an
`element of an
`energy transfer
`system that stores
`nonnegligible
`amounts of
`energy from an
`input
`electromagnetic
`signal for driving
`a low impedance
`load.”
`
`Energy storage
`module / storage
`module: “a
`module of an
`energy transfer
`
`2
`
`
`
`Case 6:20-cv-00945-ADA Document 44 Filed 10/15/21 Page 3 of 11
`
`system that stores
`nonnegligible
`amounts of
`energy from an
`input
`electromagnetic
`signal for driving
`a low impedance
`load.”
`
`Energy storage
`device: “a device
`of an energy
`transfer system
`that stores non-
`negligible
`amounts of
`energy from an
`input
`electromagnetic
`signal for driving
`a low impedance
`load.”
`
`“voltage of the
`input modulated
`carrier signal is not
`reproduced or
`approximated at
`the capacitor
`during the
`apertures or
`outside of the
`apertures”
`
`“a down-convert
`and delay module
`to under-sample an
`input signal to
`produce an input
`sample of a down-
`converted image of
`said input signal,
`and to delay said
`input sample”
`
`TCL
`
`Plain and ordinary
`meaning
`
`Indefinite
`
`’673 patent,
`claim 2
`
`TCL
`
`Not subject to 35
`U.S.C. § 112, ¶ 6
`
`Plain and ordinary
`meaning
`
`’706 patent,
`claims 1, 7
`
`Subject to 35
`U.S.C. § 112, ¶ 6.
`
`Function: “under-
`sample an input
`signal according to
`a control signal to
`produce an input
`sample of a down-
`converted image
`of said input
`signal, and to
`
`3
`
`
`
`Case 6:20-cv-00945-ADA Document 44 Filed 10/15/21 Page 4 of 11
`
`’706 patent,
`claims 1, 7, 34,
`140
`
`delay said input
`sample”
`Structure: “the
`down convert and
`delay module
`2624 in Fig. 26
`and described at
`26:1-27:21 and
`28:2041, that
`includes the
`switches 2650 and
`2654, and the
`capacitors 2652
`and 2656; and
`equivalents
`thereof”
`Subject to 35
`U.S.C. § 112, ¶ 6.
`
`Function: “delay
`instances of an
`output signal /
`further delay one
`or more of said
`delayed and
`downconverted
`input samples”
`Structure:
`“structure
`including “first
`delay
`module 2628,”
`“second delay
`module 2630”
`shown in Fig 26,
`“delay module
`3204” shown in
`Fig. 32 and
`described at 35:1-
`18; the sample and
`hold circuit 4501
`and 4503 in Fig.
`45 and described
`at 32:44-33:19; or
`an analog delay
`line having a
`
`“delay module”
`terms
`
`TCL
`
`Not subject to 35
`U.S.C. § 112, ¶ 6.
`
`
`Plain and ordinary
`meaning
`
`4
`
`
`
`Case 6:20-cv-00945-ADA Document 44 Filed 10/15/21 Page 5 of 11
`
`combination of
`capacitors,
`inductors and/or
`resistors described
`at 35:19-27; or
`equivalents
`thereof”
`Indefinite
`
`TCL
`
`Plain and ordinary
`meaning
`
`“said control signal
`comprises a train
`of pulses having
`pulse widths that
`are established to
`improve energy
`transfer from said
`input signal to said
`down-converted
`image”
`
`“means for under-
`sampling an input
`signal to produce
`an input sample of
`a down-converted
`image of said input
`signal”
`
`TCL
`
`“first delaying
`means for delaying
`said input sample”
`
`TCL
`
`’706 patent,
`claim 2
`
`’706 patent,
`claim 6
`
`’706 patent,
`claim 6
`
`Function: under-
`sampling an
`input signal to
`produce an input
`sample of a
`downconverted
`image of the input
`signal and
`under-sampling
`the input signal
`according to a
`control signal
`
`Structure: switch
`2650 in Fig.
`26; switch 5308
`in Figs.
`53A/53A-1; and
`equivalents
`thereof
`
`Function:
`delaying the input
`sample of a
`down-converted
`
`Subject to § 112, ¶
`6.
`
`Function: “under-
`sampling an input
`signal to produce
`an input sample of
`a downconverted
`image of said
`input signal and
`under-sampling
`the input signal
`according to a
`control signal”
`Structure: “the
`switch 2650 and
`the capacitor 2652
`in Fig. 26; the
`switch 5308 and
`capacitor 5310 in
`Figs. 53A/53A-1,
`and equivalents
`thereof”
`Subject to § 112, ¶
`6.
`
`
`5
`
`
`
`Case 6:20-cv-00945-ADA Document 44 Filed 10/15/21 Page 6 of 11
`
`Function:
`“delaying said
`input sample”
`Structure: “switch
`2654 and capacitor
`2656 shown in
`Fig. 26”
`
`Subject to 35
`U.S.C. § 112, ¶ 6.
`
`Function:
`“produce a sample
`of a down-
`converted image
`of an input signal
`according to a
`control signal, and
`delay said sample”
`Structure: “the
`downconvert and
`delay module
`2624 in Fig. 26
`and described at
`26:1-27:21 and
`28:20-41, that
`includes the
`switches 2650 and
`2654, and the
`capacitors 2652
`and 2656; and
`equivalents
`thereof”
`Indefinite
`
`’706 patent,
`claim 34
`
`’706 patent,
`claim 111
`
`image of said
`input signal
`Structure:
`capacitor 2656 in
`Fig. 26 or
`capacitor 5310 in
`Figs. 53A/53A1;
`and equivalents
`thereof
`Not subject to 35
`U.S.C. § 112, ¶ 6.
`
`
`Plain and ordinary
`meaning
`
`TCL
`
`“a frequency
`translator to
`produce a sample
`of a down-
`converted image of
`an input signal,
`and to delay said
`sample”
`
`TCL
`
`Plain and ordinary
`meaning
`
`“wherein said
`energy transfer
`signal generator in
`widening said
`apertures of said
`pulses by a non-
`negligible amount
`that tends away
`from zero time in
`duration to extend
`the time that said
`switch is closed for
`
`6
`
`
`
`Case 6:20-cv-00945-ADA Document 44 Filed 10/15/21 Page 7 of 11
`
`the purpose of
`increasing energy
`transferred from
`said input signal
`does so at the
`expense of
`reproducing said
`input signal, such
`that said increased
`energy transferred
`from said input
`signal when said
`switch is closed in
`response to said
`energy transfer
`signal prevents
`substantial voltage
`reproduction of
`said input signal”
`
`“establishing
`apertures” terms
`
`“frequency down-
`conversion
`module”
`
`TCL
`
`TCL
`
`Plain and ordinary
`meaning
`
`Indefinite
`
`Plain and ordinary
`meaning
`
`’706 patent,
`claims 165,
`107, 176, 187
`
`’444 patent,
`claims 2, 3
`
`’706 patent,
`claims 1, 6, 7,
`
`Subject to § 112, ¶
`6.
`
`Function: “to
`down-convert the
`input signal ...
`according to a []
`control signal and
`output[] a []
`down-converted
`signal.”
`Structure: an
`“aliasing module
`2000” (blue)
`comprising at least
`one switch and
`one capacitor
`(Figures 20A and
`20A-1).
`“sampling at less
`than or equal to
`twice the
`
`“Under-Sample” /
`“Under-Samples” /
`“Under-Sampling”
`
`ParkerVision “sampling at an
`aliasing rate” or
`“sampling at less
`than or equal to
`
`7
`
`
`
`Case 6:20-cv-00945-ADA Document 44 Filed 10/15/21 Page 8 of 11
`
`“harmonic” /
`“harmonics”
`
`“integral
`filter/frequency
`translator to filter
`and down-convert
`an input signal”
`
`“modulated signal”
`/ “modulated
`carrier signal”
`
`twice the
`frequency
`of the input
`signal”
`ParkerVision Harmonic: “A
`sinusoidal
`component of a
`periodic wave that
`has a frequency
`that is an integer
`multiple of the
`fundamental
`frequency of the
`periodic
`waveform and
`including the
`fundamental
`frequency as the
`first harmonic”
`
`Harmonics: “A
`frequency or tone
`that, when
`compared to its
`fundamental or
`reference
`frequency or tone,
`is an integer
`multiple of it and
`including the
`fundamental
`frequency as the
`first harmonic”
`ParkerVision Plain-and-
`ordinary meaning
`wherein the plain-
`and-ordinary
`meaning is “a
`circuit having a
`unified input filter
`and frequency
`translator.”
`ParkerVision “an
`electromagnetic
`signal at a
`transmission
`
`8
`
`frequency of the
`input signal”
`
`28; ’444 patent,
`claim 2
`
`’706 patent,
`claims 1, 6-7,
`28, 34; ’518
`patent, claim 1
`
`Harmonic: “A
`sinusoidal
`component of a
`periodic wave that
`has a frequency
`that is an integer
`multiple of the
`fundamental
`frequency of the
`periodic wave”
`
`Harmonics:
`“Sinusoidal
`components of a
`periodic wave
`each of which
`have a frequency
`that is an integer
`multiple of the
`fundamental
`frequency of the
`periodic wave”
`
`Plain and ordinary
`meaning
`
`’706 patent,
`claim 28
`
`Plain and ordinary
`meaning
`
`’706 patent,
`claim 127; ’513
`patent, claim
`19; ’528 patent,
`
`
`
`Case 6:20-cv-00945-ADA Document 44 Filed 10/15/21 Page 9 of 11
`
`“universal
`frequency
`downconverter
`(UFD)”
`
`[wherein said
`storage elements
`comprises] “a
`capacitor that
`reduces a DC
`offset voltage in
`said first-down
`converted signal
`and said second
`down converted
`signal”
`
`“DC offset
`voltage”
`
`“sampling
`aperture”
`
`frequency having
`at least one
`characteristic that
`has been
`modulated by a
`baseband signal”
`
`ParkerVision “circuitry that
`generates a down
`converted output
`signal from an
`input signal from
`a wide range of
`electromagnetic
`frequencies”
`ParkerVision Plain and ordinary
`meaning wherein
`the “a capacitor”
`in each of the
`storage elements
`reduces a DC
`offset voltage in
`the corresponding
`downconverted
`signal
`
`ParkerVision Plain-and-
`ordinary meaning
`wherein the plain-
`and ordinary
`meaning is “the
`difference
`between the DC
`voltage of a signal
`and a reference
`voltage, e.g.,
`ground”
`ParkerVision “a period of time
`during which the
`switch is in its
`closed (i.e., on)
`state”
`
`9
`
`claims 1, 5;
`’736 patent,
`claims 1, 11,
`15; ’673 patent,
`claims 1, 2, 7,
`13, 19
`
`Plain and ordinary
`meaning
`
`’518 patent,
`claim 50
`
`’444 patent,
`claim 4
`
`[wherein said
`storage elements
`comprises] “a
`capacitor that
`reduces a DC
`offset voltage in
`both said first
`down-converted
`signal and said
`second down-
`converted signal
`
`Plain and ordinary
`meaning
`
`’444 patent,
`claim 4
`
`“a period of time
`during which the
`switch is in its
`closed (i.e., on)
`state as part of the
`process of
`reducing a
`continuous-time
`signal to a
`
`’513 patent,
`claim 19; ’528
`patent, claim 1;
`’736 patent,
`claims 1, 11;
`’673 patent,
`claims 13, 17,
`19
`
`
`
`Case 6:20-cv-00945-ADA Document 44 Filed 10/15/21 Page 10 of 11
`
`’706 patent,
`claims 105,
`107, 109, 111,
`114, 115, 164,
`165, 166, 168,
`175, 176, 179,
`186, 187, 190;
`’518 patent,
`claim 50; ’902
`patent, claim 1;
`’444 patent,
`claim 3; ’835
`patent, claims
`18, 19, 20;
`’725 patent,
`claim 1;’513
`patent, claim
`19; ’528 patent,
`claims 1, 5, 8,
`17; ’736 patent,
`claims 1, 11,
`15, 21, 26, 27;
`’673 patent,
`claims 1, 6, 7,
`13, 17, 18
`
`’902 patent,
`claim 1
`
`discrete-time
`signal”
`Plain and ordinary
`meaning
`
`“switch” /
`“switching device”
`/ “switching
`module” / “switch
`module”
`
`ParkerVision Plain-and-
`ordinary meaning
`wherein the plain-
`and-ordinary
`meaning is “an
`electronic device
`for opening and
`closing a circuit
`as dictated by an
`independent
`control input”
`
`“a down-
`converted signal
`being created from
`sampled energy
`stored in the
`energy storage
`module”
`
`“a down-converted
`signal being
`generated from
`said sampled
`energy”
`
`
`
`
`
`ParkerVision “a lower
`frequency signal
`formed from
`sampled energy
`transferred from
`the
`electromagnetic
`signal when the
`switch module is
`closed and from
`sampled energy
`discharged from
`the storage
`module when the
`switch module is
`open”
`
`
`
`10
`
`
`
`Case 6:20-cv-00945-ADA Document 44 Filed 10/15/21 Page 11 of 11
`
`/s/ Raymond W. Mort, III
`Raymond W. Mort, III
`Texas State Bar No. 00791308
`raymort@austinlaw.com
`THE MORT LAW FIRM, PLLC
`100 Congress Avenue, Suite 2000
`Austin, Texas 78701
`Tel/Fax: 512-865-7950
`
`Of Counsel:
`Ronald M. Daignault (pro hac vice)*
`Chandran B. Iyer (pro hac vice)
`Jason S. Charkow (pro hac vice)*
`Stephanie R. Mandir (pro hac vice)*
`rdaignault@daignaultiyer.com
`cbiyer@daignaultiyer.com
`jcharkow@daignaultiyer.com
`smandir@daignaultiyer.com
`
`DAIGNAULT IYER LLP
`8618 Westwood Center Drive
`Suite 150
`Vienna, VA 22102
`*Not admitted in Virginia
`Attorneys for Plaintiff ParkerVision, Inc.
`
`
`KILPATRICK TOWNSEND &
` STOCKTON LLP
`
`/s/ Kristopher L. Reed
`Kristopher L. Reed (pro hac vice)
`Kevin M. Bell (pro hac vice)
`kbell@kilpatricktownsend.com
`Edward J. Mayle (pro hac vice)
`tmayle@kilpatricktownsend.com
`Suite 600,
`1400 Wewatta Street
`Denver, CO 80202
`Telephone: (303) 571-4000
`Facsimile: (303) 571-4321
`
`Steve R. Borgman
`Texas Bar No. 02670300
`sborgman@kilpatricktownsend.com
`Suite 4300
`700 Louisiana Street
`Houston, TX 77002
`Telephone: (281) 809-4081
`Facsimile: (281) 990-6826
`
`Steven D. Moore (pro hac vice)
`smoore@kilpatricktownsend.com
`Two Embarcadero Center, Suite 1900
`San Francisco, CA 94111
`Telephone: (415) 576-0200
`Facsimile: (415) 576-0300
`Attorneys for Defendants
`
`
`
`
`
`
`
`
`
`11
`
`