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`UNITED STATES DISTRICT COURT
`WESTERN DISTRICT OF TEXAS
`WACO DIVISION
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` Plaintiff,
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`PARKERVISION, INC.,
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` v.
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`REALTEK SEMICONDUCTOR CORP.,
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` Defendant.
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`Case No. 6:22-cv-01162-ADA
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`JURY TRIAL DEMANDED
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`JOINT CLAIM CONSTRUCTION STATEMENT
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`Case 6:22-cv-01162-ADA Document 80 Filed 12/22/23 Page 2 of 6
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`Pursuant to the Parties’ Agreed Scheduling Order (D.I. 65), Plaintiff ParkerVision, Inc.
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`(“ParkerVision”) and Defendant Realtek Semiconductor Corp. (“Realtek”) submit this Joint Claim
`
`Construction Statement. The claim terms identified below are found in U.S. Patent Nos. 6,049,706
`
`(the “’706 patent”); 6,266,518 (the “’518 patent”); 7,292,835 (the “’835 patent”) and 8,660,513
`
`(the “’513 patent”).
`
`AGREED CONSTRUCTIONS
`
`I.
`
`
`Claim Term
`“switch” / “switches”
`
`(’706 patent, claims 86, 87, 88,
`91, 93, 97; ’835 patent, claims
`18, 19, 20; ’513 patent, claim
`19)
`“integrating the energy”
`
`(’518 patent, claims 1, 29)
`“A cable modem for down-
`converting an electromagnetic
`signal having complex
`modulations”
`
`(’835 patent, claim 1)
`“energy storage element” /
`“storage device” / “storage
`module”
`
`(’835 patent, claims 1, 18, 20;
`’513 patent, claim 19)
`
`“modulated carrier signal”
`
`(’513 patent, claim 19)
`
`Agreed Construction
`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”
`
`“accumulating the energy”
`
`The preamble is limiting.
`
`Energy storage element: “an element of an energy transfer
`system that stores non-negligible amounts of energy from an
`input electromagnetic signal”
`
`Storage device: “a device of an energy transfer system that
`stores non-negligible amounts of energy from an input
`electromagnetic signal”
`
`Storage module: “a module of an energy transfer system that
`stores non-negligible amounts of energy from an input
`electromagnetic signal”
`
`Plain-and-ordinary meaning wherein the plain-and-ordinary
`meaning is “an electromagnetic signal at a transmission
`frequency having at least one characteristic that has been
`modulated by a baseband signal”
`
`
`2
`
`
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`Case 6:22-cv-01162-ADA Document 80 Filed 12/22/23 Page 3 of 6
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`“system for frequency down-
`converting”
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`(’513 patent, claim 19)
`
`The preamble is limiting. Plain-and-ordinary meaning
`
`
`
`II.
`
`TERMS THAT THE PARTIES NEWLY BRIEFED IN THIS LITIGATION
`
`Claim Term
`
`“quadrature-phase
`oscillating signal”
`
`(’835 patent,
`claims 1, 2, 18)
`
`“quadrature-phase
`oscillating signal
`is out of phase
`with said in-phase
`oscillating signal
`by substantially 90
`degrees”
`
`(’835 patent, claim
`2)
`“coupled”
`
`(’835 patent,
`claims 18, 20)
`
`Proposed for
`Construction
`By
`Realtek
`
`Realtek
`
`ParkerVision’s Proposed
`Construction
`
`Realtek’s Proposed
`Construction
`
`Plain-and-ordinary
`meaning
`
`Alternatively: “oscillating
`signal that is out of phase
`with an in-phase oscillating
`signal”
`Plain-and-ordinary
`meaning
`
`“oscillating signal that is
`out of phase with the in-
`phase oscillating signal by
`90 degrees”
`
`Indefinite
`
`Realtek
`
`Plain-and-ordinary
`meaning
`
`“directly
`connected
`conductor
`switch)”
`
`or
`connected
`a
`through
`(or a closed
`
`
`III. TERMS WITH BRIEFING IN PRIOR LITIGATIONS INCORPORATED BY
`REFERENCE
`
`Claim Term
`
`ParkerVision’s Proposed
`Construction
`
`Realtek’s Proposed
`Construction
`
`Proposed for
`Construction
`By
`ParkerVision
`/ Realtek
`
`ParkerVision
`/ Realtek
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`“under-sampling”
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`(’706 patent,
`claims 8, 19)
`
`“harmonic”
`
`
`“sampling at an aliasing
`rate” or “sampling at less
`than or equal to twice the
`frequency of
`the
`input
`signal”
`“A sinusoidal component of
`a periodic wave that has a
`
`“sampling at an aliasing
`rate using negligible
`apertures”
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`Plain-and-ordinary
`meaning:
`
`3
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`
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`Case 6:22-cv-01162-ADA Document 80 Filed 12/22/23 Page 4 of 6
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`(’706 patent,
`claims 8, 19; ’518
`patent, claims 1,
`2)
`
`“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”
`
`(’706 patent,
`claim 18)
`“establishing
`apertures of said
`pulses to increase
`the time that said
`switch is closed
`for a purpose of
`reducing an
`impedance of
`said switch”
`
`(’706 patent,
`claims 87, 97)
`“widening
`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 a
`purpose of
`increasing energy
`transferred from
`
`frequency that is an integer
`multiple of the fundamental
`frequency of the periodic
`waveform and including the
`fundamental frequency as
`the first harmonic”
`
`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”
`Plain-and-ordinary meaning Indefinite
`
`Realtek
`
`Realtek
`
`Plain-and-ordinary meaning
`
`
`Indefinite
`
`Realtek
`
`Plain-and-ordinary meaning
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`Indefinite
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`4
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`
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`Case 6:22-cv-01162-ADA Document 80 Filed 12/22/23 Page 5 of 6
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`said input signal”
`/ “widening of
`said apertures…
`prevents
`substantial
`voltage
`reproduction of
`said input signal”
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`(’706 patent,
`claims 88, 91, 97)
`“low impedance
`load” / “low
`impedance loads”
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`(’706 patent,
`claim 97; ’518
`patent, claim 13)
`“sampling
`aperture”
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`(’513 patent,
`claim 19)
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`
`
`Realtek
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`Plain-and-ordinary meaning
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`
`Indefinite
`
`ParkerVision
`/ Realtek
`
`“a period of time during
`which the switch is in its
`closed (i.e., on) state”
`
`
`“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
`discrete-time signal”
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`Dated: December 22, 2023
`
`
`/s/ Raymond W. Mort, III___________
`
`Raymond W. Mort, III
`Texas State Bar No. 00791308
`THE MORT LAW FIRM, PLLC
`501 Congress Avenue, Suite 150
`Austin, Texas 78701
`Tel/Fax: 512-865-7950
`raymort@austinlaw.com
`
`OF COUNSEL:
`Ronald M. Daignault* (pro hac vice)
`Chandran Iyer (pro hac vice)
`Jason Charkow* (pro hac vice)
`Scott Samay* (pro hac vice)
`Stephanie Mandir (pro hac vice)
`
`Respectfully submitted,
`
`
`/s/ Mark D. Siegmund_______________
`
`Mark D. Siegmund
`State Bar No. 24117055
`CHERRY JOHNSON SIEGMUND JAMES
`PLLC
`The Roosevelt Tower
`400 Austin Avenue, 9th Floor
`Waco, TX 76701
`Telephone: 254-732-2242
`Facsimile: 866-627-3509
`msiegmund@cjsjlaw.com
`
`Lisa K. Nguyen
`ALLEN & OVERY LLP
`550 High Street
`Palo Alto, CA 94301
`
`5
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`
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`Case 6:22-cv-01162-ADA Document 80 Filed 12/22/23 Page 6 of 6
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`Zachary H. Ellis* (Texas State Bar No.
`24122606)
`DAIGNAULT IYER LLP
`8618 Westwood Center Drive Suite 150
`Vienna, VA 22182
`rdaignault@daignaultiyer.com
`cbiyer@daignaultiyer.com
`jcharkow@daignaultiyer.com
`ssamay@daignaultiyer.com
`smandir@daignaultiyer.com
`zellis@daignaultiyer.com
`*Not admitted in Virginia
`
`ATTORNEYS FOR PARKERVISION,
`INC.
`
`Telephone: 650-388-1724
`lisa.nguyen@allenovery.com
`
`Noah A. Brumfield (pro hac vice)
`Megan M. Ines (pro hac vice)
`Emily P. Lipka (pro hac vice)
`ALLEN & OVERY LLP
`1101 New York Avenue, NW
`Washington, DC 20005
`Telephone: 202-683-3881
`noah.brumfield@allenovery.com
`megan.ines@allenovery.com
`emily.lipka@allenovery.com
`
`Grace I. Wang (pro hac vice)
`ALLEN & OVERY LLP
`1221 Avenue of the Americas
`New York, NY 10020
`Telephone: 212-756-1143
`grace.wang@allenovery.com
`
`ATTORNEYS FOR DEFENDANT
`REALTEK SEMICONDUCTOR CORP.
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`6
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