IN THE UNITED STATES DISTRICT COURT

FOR THE WESTERN DISTRICT OF TEXAS

WACO DIVISION

PARKERVISION, INC.,

 Plaintiff

-vINTEL CORPORATION,

 Defendant

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W-20-CV-00108-ADA

CLAIM CONSTRUCTION ORDER

The Court held a Markman hearing on January 26, 2021. During that hearing, the Court 

provided its final constructions. The Court now enters those claim constructions.

SIGNED this 26th day of January, 2021.

ALAN D ALBRIGHT

UNITED STATES DISTRICT JUDGE

Case 6:20-cv-00108-ADA Document 75 Filed 01/28/21 Page 1 of 8
Term Plaintiff’s Proposed 

Construction

Defendants’ Proposed 

Construction

Court’s Final Construction

“universal frequency downconverter (UFD)”

(’518 patent, claim 50)

“circuitry that generates a 

down converted output signal 

from an input signal”

“A down-converter that downconverts a carrier signal at an 

aliasing rate (i.e., by sampling 

at less than or equal to twice 

the frequency of the carrier 

signal)”

“circuitry that generates a 

down converted output signal 

from an input signal from a 

wide range of electromagnetic 

frequencies”

“energy transfer module”

(’902 patent, claim 1)

Plain and ordinary meaning “A module that down-converts 

an electromagnetic signal by 

transferring energy at an 

aliasing rate (i.e., by sampling 

at less than or equal to twice 

the frequency of the 

electromagnetic signal)”

Plain-and-ordinary meaning

“frequency down-conversion 

module”

(’444 patent, claims 2, 3; ’474 

patent, claim 1)

Plain and ordinary meaning “A module that down-converts 

an input signal at an aliasing 

rate (i.e., by sampling at less 

than or equal to twice the 

frequency of the input signal)”

Plain-and-ordinary meaning

“aliasing module”

(’725 patent, claim 1)

Plain and ordinary meaning “A module that down-converts 

an RF information signal at an 

aliasing rate (i.e., by sampling 

at less than or equal to twice 

the frequency of the RF 

information signal)”

Plain-and-ordinary meaning

Case 6:20-cv-00108-ADA Document 75 Filed 01/28/21 Page 2 of 8
Term Plaintiff’s Proposed 

Construction

Defendants’ Proposed 

Construction

Court’s Final Construction

“system for frequency

down-converting”

(’513 patent, claim 19; ’528 

patent, claim 1; ’736 patent, 

claim 1)

Plain and ordinary meaning “A system that down-converts 

a modulated carrier signal at an 

aliasing rate (i.e., by sampling 

at less than or equal to twice 

the frequency of the modulated 

carrier signal)”

Preamble is limiting. Plainand-ordinary meaning.

“frequency down-conversion 

module”

(’673 patent, claim 1)

Plain and ordinary meaning “A module that down-converts 

an input modulated carrier 

signal at an aliasing rate (i.e., 

by sampling at less than or 

equal to twice the frequency of 

the input modulated carrier 

signal)”

Plain-and-ordinary meaning

“apparatus for downconverting”

(’673 patent, claim 13)

Plain and ordinary meaning “An apparatus that downconverts a modulated carrier 

signal at an aliasing rate (i.e., 

by sampling at less than or 

equal to twice the frequency of 

the modulated carrier signal)”

Preamble is limiting. Plainand-ordinary meaning.

“under-samples”

(’444 patent, claim 2;

’474 patent, claim 6)

“sampling at an aliasing rate” 

or “sampling at less than or 

equal to twice the frequency of 

the input signal”

“samples at less than or equal 

to twice the frequency of the 

input signal using negligible 

apertures (i.e., pulse widths) 

that tend towards zero time in 

duration”

“sampling at less than or equal 

to twice the frequency of the 

input signal”

Case 6:20-cv-00108-ADA Document 75 Filed 01/28/21 Page 3 of 8
Term Plaintiff’s Proposed 

Construction

Defendants’ Proposed 

Construction

Court’s Final Construction

“the [] switch is coupled to the 

[] storage element at a [] node 

and coupled to a [] reference 

potential”

(’474 patent, claim 1)

Plain and ordinary meaning “the switch receives current 

from a storage element via a 

node, and shunts (i.e., diverts) 

current to a point held at a 

constant reference voltage”

Plain-and-ordinary meaning 

wherein “coupled” is directly 

connected or connected

through a conductor (or a 

closed switch).

[wherein said storage elements 

comprises] “a capacitor that 

reduces a DC offset voltage in 

said first-down converted 

signal and said second downconverted signal”

(’444 patent, claim 4)

Plain and ordinary meaning [wherein said storage elements 

comprises] “a capacitor that 

reduces a DC offset voltage in 

both said first down-converted 

signal and said second downconverted signal”

Plain-and-ordinary meaning 

wherein the “a capacitor” in 

each of the storage elements 

reduces a DC offset voltage in 

the corresponding downconverted signal

“DC offset voltage”

(’444 patent, claim 4)

“a deviation of DC voltage 

from a reference voltage”

“a DC voltage level that is 

added to a signal of interest by 

related circuitry”

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”

“energy storage element”

(’513 patent, claim 19; ’528 

patent, claim 1;’736 patent, 

claims 1, 11, 21)

“an element of an energy 

transfer system that stores nonnegligible amounts of energy 

from an input electromagnetic 

signal for driving a low 

impedance load”

“an element that stores nonnegligible amounts of energy 

from an input electromagnetic 

(EM) signal”

“an element of an energy 

transfer system that stores nonnegligible amounts of energy 

from an input electromagnetic 

signal”

Case 6:20-cv-00108-ADA Document 75 Filed 01/28/21 Page 4 of 8
Term Plaintiff’s Proposed 

Construction

Defendants’ Proposed 

Construction

Court’s Final Construction

“energy storage device”

(’673 patent, claim 13)

“a device of an energy transfer 

system that stores nonnegligible amounts of energy 

from an input electromagnetic 

signal for driving a low 

impedance load”

“a device that stores a nonnegligible amount of energy 

from an input electromagnetic 

(EM) signal”

“a device of an energy transfer 

system that stores nonnegligible amounts of energy 

from an input electromagnetic 

signal”

“energy storage module”

(’902 patent, claim 1)

“a module of an energy 

transfer system that stores nonnegligible amounts of energy 

from an input electromagnetic 

signal for driving a low 

impedance load”

“a module that stores a nonnegligible amount of energy 

from an input electromagnetic 

(EM) signal”

“a module of an energy 

transfer system that stores nonnegligible amounts of energy 

from an input electromagnetic 

signal”

“storage element”

(’444 patent, claim 3; ’474 

patent, claim 1)

“an element of an energy 

transfer system that stores nonnegligible amounts of energy 

from an input electromagnetic 

signal for driving a low 

impedance load”

“an element that stores a 

nonnegligible amount of 

energy from an input 

electromagnetic (EM) signal”

“an element of an energy 

transfer system that stores nonnegligible amounts of energy 

from an input electromagnetic 

signal”

“storage module”

(’725 patent, claim 1)

“a module of an energy 

transfer system that stores nonnegligible amounts of energy 

from an input electromagnetic 

signal for driving a low 

impedance load”

“a module that stores a nonnegligible amount of energy 

from an input electromagnetic 

(EM) signal”

“a module of an energy 

transfer system that stores nonnegligible amounts of energy 

from an input electromagnetic 

signal”

Case 6:20-cv-00108-ADA Document 75 Filed 01/28/21 Page 5 of 8
Term Plaintiff’s Proposed 

Construction

Defendants’ Proposed 

Construction

Court’s Final Construction

“modulated carrier signal”

(’513 patent, claim 19; ’528 

patent, claim 1; ’736 patent, 

claim 1; ’673 patent, claims 1, 

13)

“electromagnetic signal at 

transmission frequency having 

at least one characteristic that 

has been modulated by a 

baseband signal”

“a carrier signal that is 

modulated by a baseband 

signal”

“an electromagnetic signal at a 

transmission frequency having 

at least one characteristic that 

has been modulated by a 

baseband signal”

“sampling aperture”

(’513 patent, claim 19; ’528 

patent, claim 1; ’736 patent, 

claims 1, 11; 

’673 patent, claim 13)

“a period of time during which 

the switch is in its closed (on) 

state, thereby reducing a 

continuous-time signal to a 

discrete-time signal”

“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”

“a period of time during which 

the switch is in its closed (i.e., 

on) state”

“switch” / “switching device” / 

“switching module”

(’528 patent, claims 1, 5, 8, 17; 

’444 patent, claim 3; ’474 

patent; claim 1; ’513 patent, 

claim 19; ’518 patent, claim 

50; ’736 patent, claims 1, 11; 

’673 patent, claims 1, 13; ’725 

patent, claim 1; ’902 patent, 

claim 1)

“an electronic device for 

opening and closing a circuit 

as dictated by an independent 

control input”

“an electronic device for 

opening and closing a circuit”

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”

Case 6:20-cv-00108-ADA Document 75 Filed 01/28/21 Page 6 of 8
Term Plaintiff’s Proposed 

Construction

Defendants’ Proposed 

Construction

Court’s Final Construction

“a down-converted signal 

being generated from said 

sampled energy”

(’902 patent, claim 1)

“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”

“a down-converted signal 

being created from sampled 

energy stored in the energy 

storage module”

“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”

“the energy discharged during 

any given discharge cycle is 

not completely discharged”

(’736 patent, claims 1

and 11; ’528 patent, claim 9)

Plain and ordinary meaning Indefinite Not indefinite.

Plain-and-ordinary meaning 

wherein the plain-and-ordinary 

meaning is “the energy that 

could potentially be discharged 

during any given discharge 

cycle is not completely 

discharged”

“between six and fifty percent 

of the energy transferred from 

the RF information signal to 

the storage module is 

discharged from the storage 

module”

(’725 patent, claim 17)

Plain and ordinary meaning Indefinite Not indefinite. Plain-andordinary meaning.

Case 6:20-cv-00108-ADA Document 75 Filed 01/28/21 Page 7 of 8
Term Plaintiff’s Proposed 

Construction

Defendants’ Proposed 

Construction

Court’s Final Construction

“between six and twenty-five 

percent of the energy 

transferred from the RF 

information signal to the 

storage module when is 

discharged

(’725 patent, claim 18)

Plain and ordinary meaning Indefinite Not indefinite. Plain-andordinary meaning.

“between ten and twenty 

percent of the energy 

transferred from the RF 

information signal to the 

storage module discharged 

from the storage module”

(’725 patent, claim 19)

Plain and ordinary meaning Indefinite Not indefinite. Plain-andordinary meaning.

“separate integration module”

(’528 patent, claim 17)

Plain and ordinary meaning Indefinite Not indefinite. Plain-andordinary meaning.

“substantially the same size”

(’902 patent, claim 5)

Plain and ordinary meaning Indefinite Not indefinite. Plain-andordinary meaning.

Case 6:20-cv-00108-ADA Document 75 Filed 01/28/21 Page 8 of 8