STERNE, KESSLER, GOLDSTEIN & Fox P.L.L.C.
`
`ATTORNEYS AT LAW
`
`1 100 NEW YORK AVENUE, N W , SUITE 600
`
`WASHINGTON, D C. 20005-3934
`
`PHONE' (202) 371-2600
`
`FACSIMILE (202) 371-2540
`
`www skgf corn
`
`U
`
`0 C
`
`
`
`"ROBERT GREENE STERNE
` EDWARD J KESSLER
`00.JORGE A GOLDSTEIN
`4AMUEL L Fox
`cPAVIO K.S CORNWELL
`ROBERT W ESMOND
`TRACY-GENE G DURKIN
`MICHELE A. CIMBALA
`MICHAEL B RAY
`ROBERT E SOKOHL
`ERIC K STEFFE
`MICHAEL 0 LEE
`
`STEVEN R LUDWIG
`JOHN M COVERT.
`LINDA E ALCORN
`RAZ E FLESHNER
`ROBERT C MILLONIG
`MICHAEL V MESSINGER
`JUDITH U KIM
`TIMOTHY J. SHEA, JR
`DONALD R MCPHAIL
`PATRICK E GARRETT
`STEPHEN G WHITESIDE
`JEFFREY T HELVEY•
`
`HEIDI L KRAUS
`JEFFREY R KURIN
`RAYMOND MILLIEN
`PATRICK D O'BRIEN
`LAWRENCE B BUGAISKY
`CRYSTAL D SAYLES.
`EDWARD W YEE
`ALBERT L. FERRO.
`DONALD R BANOWIT
`PETER A JACKMAN
`MOLLY A MCCALL
`TERESA U MEDLER
`
`JEFFREY S WEAVER
`KRISTIN K VIDOVICH
`KENDRICK P PATTERSON
`DONALD J FEATHERSTONE
`GRANT E REED
`VINCENT L CAPUANO
`JOHN A HARROUN.
`MATTHEW M CATLETT.
`NATHAN K KELLEY.
`ALBERT J FASULO II .
`W BRIAN EDGE"
`
`KAREN R MARKOWICZ..
`SUZANNE E ZISKA.•
`BRIAN J DEL BUONO..
`ANDREA J KAMAGE..
`NANCY J LEITH."
`TARJA H NAUKKARINEN".
`
`"BAR OTHER THAN D C
`""REGISTERED PATENT AGENTS
`
`=
`
`CS)
`
`CS:k
`
`
`
`
`
`January 29, 2001
`
`WRITER'S DIRECT NUMBER:
`(202) 789-5531
`INTERNET ADDRESS:
`POBRIEN@SKGF.COM
`
`Box Patent Application
`
`Commissioner for Patents
`Washington, D.C. 20231
`
`Re: U.S. Non-Provisional Utility Patent Application under 37 C.F.R. § 1.53(b)
`Appl. No. to be assigned; Filed: herewith
`For: Wireless and Wired Cable Modem Application of Universal
`Frequency Translation Technology
`Inventors:
`David F. Sorrells et al.
`Our Ref:
`1744.0140005
`
`1s1
`
`Ul
`
`IOW
`
`Sir:
`
`The following documents are forwarded herewith for appropriate action by the U.S. Patent
`and Trademark Office:
`
`1.
`
`2.
`
`USPTO Utility Patent Application Transmittal Form PTO/SB/05;
`
`U.S. Utility Patent Application entitled:
`
`Wireless and Wired Cable Modem Application of Universal Frequency
`Translation Technology
`
`and naming as inventors:
`
`David F. Sorrells
`Michael J. Bultman
`Robert W. Cook
`
`Richard C. Looke
`Charley D. Moses, Jr.
`
`MEDIATEK EX. 1002
`Page 1 of 85
`
`

`

`STERNE, KESSLER, GOLDSTEIN 8e Fox P.L.L.C.
`
`Commissioner for Patents
`January 29, 2001
`Page 2
`
`the application comprising:
`
`a.
`
`specification containing:
`
`i.
`
`ii.
`
`87 pages of description prior to the claims;
`
`6 pages of claims ( 31 claims);
`
`iii.
`
`a one page abstract;
`
`b.
`
`82 sheets of drawings: (Figures 1A-66);
`
`3.
`
`37 C.F.R. § 1.136(a)(3) Authorization to Treat a Reply As Incorporating An
`Extension of Time; and
`
`4.
`
`Two return postcards.
`
`It is respectfully requested that, of the two attached postcards, one be stamped with the filing
`date of these documents and returned to our courier, and the other, prepaid postcard, be stamped with
`the filing date and unofficial application number and returned as soon as possible.
`
`This patent application is being submitted under 37 C.F.R. § 1.53(b) without Declaration and
`without filing fee.
`
`Respectfully submitted,
`
`STERNE, KESSLER, GOLDSTEIN & FOX P.L.L.C.
`
`Patrick D. O'Brien
`Attorney for Applicants
`Registration No. 41,224
`
`Pdo:lna
`Enclosures
`
`PAUSERS \LORIA \does WD0117441014-51Cover-letter-to-PTO-14+5.wpd
`SKGF Rec. 5/12/00 mac
`
`MEDIATEK EX. 1002
`Page 2 of 85
`
`

`

`What Is Claimed Is:
`
`ParkerVision Confidential
`
`1.
`
`A system for down-converting an electromagnetic signal having complex modulations,
`
`comprising:
`
`an oscillator to generate an in-phase oscillating signal;
`
`a phase shifter to receive said in-phase oscillating signal and to create a
`
`quadrature-phase oscillating signal;
`
`a first universal frequency down-conversion module to receive the
`
`electromagnetic signal and said in-phase oscillating signal;
`
`a second universal frequency down-conversion module to receive the
`
`electromagnetic signal and said quadrature-phase oscillating signal; wherein
`
`said first universal frequency down-conversion module further comprising a first
`
`universal frequency transfer module and a first storage module, wherein said first universal
`
`frequency transfer module samples the electromagnetic signal at a rate that is a function of said
`
`in-phase oscillating signal, thereby creating a first sampled signal; and
`
`said second universal frequency down-conversion module further comprising a
`
`second universal frequency transfer module and a second storage module, wherein said first
`
`universal frequency transfer module samples the electromagnetic signal at a rate that is a function
`
`of said quadrature-phase oscillating signal, thereby creating a second sampled signal.
`
`2.
`
`The system of claim 1, wherein said quadrature-phase oscillating signal is out of phase
`
`with said in-phase oscillating signal by substantially 90°.
`
`3.
`
`The system of claim 1, wherein said first storage device has a first storage first side and a
`
`first storage second side, said first storage first side being connected to said first sampled signal,
`
`and said first storage second side is connected to a first reference potential, and said second
`
`storage device has a second storage first side and a second storage second side, said second
`
`1744.0140005
`
`- 88 -
`
`MEDIATEK EX. 1002
`Page 3 of 85
`
`

`

`storage first side being connected to said second sampled signal, and said second storage second
`
`side is connected to a second reference potential.
`
`ParkerVision Confidential
`
`4.
`
`The system of claim 3, wherein said first storage device is a first capacitor, and said
`
`second storage device is a second capacitor.
`
`5.
`
`The system of claim 3, wherein said first reference potential is substantially equal to
`
`ground, and said second reference potential is substantially equal to ground.
`
`6.
`
`The system of claim 1,wherein the electromagnetic signal has a first frequency, said in-
`
`phase oscillating signal has a second frequency, and said first sampled signal has a first sampled
`
`frequency, and wherein said quadrature phase oscillating signal has a third frequency, and said
`
`second sampled signal has a second sampled frequency, wherein said first sampled frequency is
`
`substantially' equal to the difference between said first frequency and "n" times said second
`
`frequency, where "n" is a subharmonic of said first frequency, and said second sampled
`
`frequency is substantially equal to the difference between said first frequency and "m" times said
`
`third frequency, where "m" is a subharmonic of said first frequency.
`
`7.
`
`8.
`
`The system of claim 6, wherein "m" is substantially equal to "n."
`
`The system of claim 6, wherein said first sampled frequency is substantially equal to zero,
`
`and said second sampled frequency is substantially equal to zero.
`
`9.
`
`The system of claim 1, wherein said first sampled signal is comprised of two or more
`
`voltage levels.
`
`10.
`
`The system of claim 9, wherein said first sampled signal is comprised of eight voltage
`
`levels.
`
`1744.0140005
`
`- 89 -
`
`MEDIATEK EX. 1002
`Page 4 of 85
`
`

`

`11
`
`The system of claim 9, wherein said first sampled signal is comprised of sixteen voltage
`
`levels.
`
`ParkerVision Confidential
`
`12.
`
`The system of claim 1, wherein said second sampled signal is comprised of two or more
`
`voltage levels.
`
`13.
`
`The system of claim 12, wherein said second sampled signal is comprised of eight voltage
`
`levels.
`
`14.
`
`The system of claim 12, wherein said second sampled signal is comprised of sixteen
`
`voltage levels.
`
`15.
`
`The system of claim 1, wherein said first sampled signal is a first information output
`
`signal, and said second sampled signal is a second information output signal.
`
`16.
`
`The system of claim 1, further comprising a first amplifier receiving said first sampled
`
`signal and outputting a first amplified signal, and a second amplifier receiving said second
`
`sampled signal and outputting a second amplified signal.
`
`:1
`
`17.
`
`The system of claim 16, further comprising a first filter receiving said first amplified
`
`signal and outputting a first filtered signal, and a second filter receiving said second amplified
`
`signal and outputting a second filtered signal.
`
`18.
`
`The system of claim 1, further comprising a first filter receiving said first sampled signal
`
`and outputting a first filtered signal, and a second filter receiving said second sampled signal and
`
`outputting a second filtered signal.
`
`1744.0140005
`
`- 90 -
`
`MEDIATEK EX. 1002
`Page 5 of 85
`
`

`

`19.
`
`The system of claim 1, wherein the electromagnetic signal has been transmitted over a
`
`coaxial cable to a cable modem.
`
`ParkerVision Confidential
`
`20.
`
`The system of claim 1, wherein the electromagnetic signal has been transmitted by a
`
`wireless method to a cable modem.
`
`21.
`
`A multiphase transmitting system, comprising:
`
`an oscillator to generate an in-phase oscillating signal;
`
`a phase shifter to receive said in-phase oscillating signal and to create a
`
`quadrature-phase oscillating signal;
`
`a first universal frequency translation module to receive said in-phase oscillating
`
`signal and a first information signal, wherein said in-phase oscillating signal causes said first
`
`universal frequency translation module to gate said first information signal and thereby generate
`
`a firstperiodic signal having a first plurality of harmonics, said first periodic signal having an
`
`amplitude that is a function of said first information signal; ,
`
`a second universal frequency translation module to receive said quadrature-phase
`
`oscillating signal and a second information signal, wherein said quadrature-phase oscillating
`
`signal causes said second universal frequency translation module to gate said second information
`
`signal and thereby generate a second periodic signal having a second plurality of harmonics, said
`
`second periodic signal having an amplitude that is a function of said second information signal;
`
`a summer coupled to said first universal frequency translation module and to said
`
`second universal frequency translation module, said summer to receive and combine said first
`
`periodic signal and said second periodic signal, and to output a combined periodic signal having
`
`a combined plurality of harmonics; and
`
`a filter coupled to said summer, said filter to isolate at least one of said combined
`
`plurality of harmonics.
`
`1744.0140005
`
`- 91 -
`
`MEDIATEK EX. 1002
`Page 6 of 85
`
`

`

`22.
`
`The multiphase transmitting system of claim 21, wherein said in-phase oscillating signal
`
`and said quadrature-phase oscillating signal have substantially the same frequency and are out of
`
`phase with each other by substantially 90°.
`
`ParkerVision Confidential
`
`23.
`
`The multiphase transmitting system of claim 21, further comprising:
`
`a first pulse shaping module connected to said first universal frequency translation
`
`module, said first pulse shaping module accepting said in-phase oscillating signal and outputting
`
`a first shaped oscillating signal, wherein said first shaped oscillating signal causes said first
`
`universal frequency translation module to gate said first infoimation signal;
`
`a second pulse shaping module connected to said second universal frequency
`
`translation module, said second pulse shaping module accepting said quadrature-phase oscillating
`
`signal and outputting a second shaped oscillating signal, wherein said second shaped oscillating
`
`signal causes said second universal frequency translation module to gate said second information
`
`signal.
`
`24.
`
`The multiphase transmitting system of claim 21, wherein said first information signal is
`
`FIT
`
`Aii
`
`com
`
`prised of two or more voltage levels.
`
`25.
`
`The multiphase transmitting system of claim 24, wherein said first information signal is
`
`comprised of eight voltage levels.
`
`26.
`
`The multiphase transmitting system of claim 24, wherein said first information signal is
`
`comprised of sixteen voltage levels.
`
`27.
`
`The multiphase transmitting system of claim 21, wherein said second information signal
`
`is comprised of two or more voltage Ievels.
`
`1744.0140005
`
`- 92 -
`
`MEDIATEK EX. 1002
`Page 7 of 85
`
`

`

`28.
`
`The multiphase transmitting system of claim 27, wherein said second information signal
`
`is comprised of eight voltage levels.
`
`ParkerVision Confidential
`
`29.
`
`The multiphase transmitting system of claim 27, wherein said second information signal
`
`is comprised of sixteen voltage levels.
`
`30.
`
`The multiphase transmitting system of claim 21, wherein said filter isolates an output
`
`signal, said output signal being transmitted from a cable modem over a coaxial cable.
`
`31.
`
`The multiphase transmitting system of claim 21, wherein said filter isolates an output
`
`signal, said output signal being transmitted from a cable modem via a wireless method.
`
`1744.0140005
`
`- 93 -
`
`MEDIATEK EX. 1002
`Page 8 of 85
`
`

`

`•
`
`Sorrells et al.
`Appl. No. 09/770,675
`
`Amendments
`
`In the Claims:
`
`/ without prejudice or disclaimer.
`Please ca el claims,/, and ,
`
`Please substipfite the following claims 1-5 and 9-31 for the pending claims 1-5 and 9-31:
`
`1.(Amended)
`
`A cable modem for down-converting an electromagnetic signal having
`
`complex modulations, comprising:
`
`an oscillator to generate an in-phase oscillating signal;
`
`a phase shifter to receive said in-phase oscillating signal and to create a quadrature-
`
`phase oscillating signal;
`
`a first universal frequency down-conversion module to receive the electromagnetic
`
`signal and said in-phase oscillating signal;
`
`a second universal frequency down-conversion module to receive the
`
`electromagnetic signal and said quadrature-phase oscillating signal; wherein
`
`said first universal frequency down-conversion module further comprising a first
`
`universal frequency translation module and a first storage module, wherein said first universal
`
`frequency translation module samples the electromagnetic signal at a rate that is a function of said
`
`in-phase oscillating signal, thereby creating a first sampled signal; and
`
`said second universal frequency down-conversion module further comprising a
`
`second universal frequency translation module and a second storage module, wherein said first
`
`universal frequency translation module samples the electromagnetic signal at a rate that is a function
`
`of said quadrature-phase oscillating signal, thereby creating a second sampled signal.
`
`2.(Amended)
`
`The cable modem of claim 1, wherein said quadrature-phase oscillating signal
`
`is out of phase with said in-phase oscillating signal by substantially 90°.
`
`- 2 -
`
`MEDIATEK EX. 1002
`Page 9 of 85
`
`

`

`Sorrells et al.
`Appl. No. 09/770,675
`
`3.(Amended)
`
`The cable modem of claim 1, wherein said first storage device has a first
`
`storage first port and a first storage second port, said first storage first port being connected to said
`
`first sampled signal, and said first storage second port is connected to a first reference potential, and
`
`said second storage device has a second storage first port and a second storage second port, said
`
`second storage first port being connected to said second sampled signal, and said second storage
`
`second port is connected to a second reference potential.
`
`4.(Amended)
`
`The cable modem of claim 3, wherein said first storage device is a first
`
`capacitor, and said second storage device is a second capacitor.
`
`5.(Amended)
`
`The cable modem of claim 3, wherein said first reference potential is
`
`substantially equal to ground, and said second reference potential is substantially equal to ground.
`
`9.(Amended)
`
`The cable modem of claim 1, wherein said first sampled signal is comprised
`
`of two or more voltage levels.
`
`10.(Amended)
`
`The cable modem of claim 9, wherein said first sampled signal is comprised
`
`of eight voltage levels.
`
`11.(Amended)
`
`The cable modem of claim 9, wherein said first sampled signal is comprised
`
`of sixteen voltage levels.
`
`12.(Amended)
`
`The cable modem of claim 1, wherein said second sampled signal is
`
`comprised of two or more voltage levels.
`
`13.(Amended)
`
`The cable modem of claim 12, wherein said second sampled signal is
`
`comprised of eight voltage levels.
`
`3
`
`MEDIATEK EX. 1002
`Page 10 of 85
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`

`

`•
`
`Sorrells et al.
`Appl. No. 09/770,675
`
`14.(Amended)
`
`The cable modem of claim 12, wherein said second sampled signal is
`
`comprised of sixteen voltage levels.
`
`15.(Amended)
`
`The cable modem of claim 1, wherein said first sampled signal is a first
`
`information output signal, and said second sampled signal is a second information output signal.
`
`16.(Amended)
`
`The cable modem of claim 1, further comprising a first amplifier receiving
`
`said first sampled signal and outputting a first amplified signal, and a second amplifier receiving
`
`said second sampled signal and outputting a second amplified signal.
`
`17.(Amended)
`
`The cable modem of claim 16, further comprising a first filter receiving said
`
`first amplified signal and outputting a first filtered signal, and a second filter receiving said second
`
`amplified signal and outputting a second filtered signal.
`
`18. (Amended)
`
`The cable modem of claim 1, further comprising a first filter receiving said
`
`first sampled signal and outputting a first filtered signal, and a second filter receiving said second
`
`sampled signal and outputting a second filtered signal.
`
`19.(Amended)
`
`The cable modem of claim 1, wherein the electromagnetic signal has been
`
`transmitted over a coaxial cable to the cable modem.
`
`20.(Amended)
`
`The cable modem of claim 1, wherein the electromagnetic signal has been
`
`transmitted by a wireless method to the cable modem.
`
`21.(Amended)
`
`A cable modem, comprising:
`
`an oscillator to generate an in-phase oscillating signal;
`
`a phase shifter to receive said in-phase oscillating signal and to create a quadrature-
`
`phase oscillating signal;
`
`4
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`MEDIATEK EX. 1002
`Page 11 of 85
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`

`

`•
`
`•
`
`Sorrells et al.
`Appl. No. 09/770,675
`
`a first universal frequency translation module to receive said in-phase oscillating
`
`signal and a first information signal, wherein said in-phase oscillating signal causes said first
`
`universal frequency translation module to gate said first information signal and thereby generate a
`
`first periodic signal having a first plurality of harmonics;
`
`a second universal frequency translation module to receive said quadrature-phase
`
`oscillating signal and a second information signal, wherein said quadrature-phase oscillating signal
`
`causes said second universal frequency translation module to gate said second information signal
`
`and thereby generate a second periodic signal having a second plurality of harmonics;
`
`a summer coupled to said first universal frequency translation module and to said
`
`\
`
`second universal frequency translation module, said summer to receive and combine said first
`
`periodic signal and said second periodic signal, and to output a combined periodic signal having a
`
`combined plurality of harmonics; and
`
`a filter coupled to said summer, said filter to isolate at least one of said combined plurality of
`
`harmonics.
`
`22.(Amended)
`
`The cable modem of claim 21, wherein said in-phase oscillating signal and
`
`said quadrature-phase oscillating signal have substantially the same frequency and are out of phase
`
`with each other by substantially 90°.
`
`23.(Amended)
`
`The cable modem of claim 21, further comprising:
`
`a first pulse shaping module connected to said first universal frequency translation
`
`module, said first pulse shaping module accepting said in-phase oscillating signal and outputting a
`
`first shaped oscillating signal, wherein said first shaped oscillating signal causes said first universal
`
`frequency translation module to gate said first information signal;
`
`a second pulse shaping module connected to said second universal frequency
`
`translation module, said second pulse shaping module accepting said quadrature-phase oscillating
`
`signal and outputting a second shaped oscillating signal, wherein said second shaped oscillating
`
`5
`
`MEDIATEK EX. 1002
`Page 12 of 85
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`

`

`•
`
`Sorrells et al.
`Appi. No. 09/770,675
`
`signal causes said second universal frequency translation module to gate said second information
`
`signal.
`
`24.(Amended)
`
`The cable modem of claim 21, wherein said first information signal is
`
`comprised of two or more voltage levels.
`
`25.(Amended)
`
`The cable modem of claim 24, wherein said first information signal is
`
`comprised of eight voltage levels.
`
`26.(Amended)
`
`The cable modem of claim 24, wherein said first information signal is
`
`comprised of sixteen voltage levels.
`
`27.(Amended)
`
`The cable modem of claim 21, wherein said second information signal is
`
`comprised of two or more voltage levels.
`
`28.(Amended)
`
`The cable modem of claim 27, wherein said second information signal is
`
`comprised of eight voltage levels.
`
`29.(Amended)
`
`The cable modem of claim 27, wherein said second information signal is
`
`comprised of sixteen voltage levels.
`
`30.(Amended)
`
`The cable modem of claim 21, wherein said filter isolates an output signal,
`
`said output signal being transmitted from the cable modem over a coaxial cable.
`
`31.(Amended)
`
`The cable modem of claim 21, wherein said filter isolates an output signal,
`
`said output signal being transmitted from the cable modem via a wireless method.
`
`6
`
`MEDIATEK EX. 1002
`Page 13 of 85
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`

`

`•
`
`Sorrells et al.
`Appl. No. 09/770,675
`
`Consideration of this Application is respectfully requested.
`
`Remarks
`
`Upon entry of the foregoing amendment, claims 1-5 and 9-31 are pending in the application,
`
`with claims 1 and 21 being the independent claims. Claims 6, 7, and 8 are sought to be cancelled
`
`without prejudice to or disclaimer of the subject matter therein. Claims 1-5 and 9-31 are sought to
`
`be amended. These changes are believed to introduce no new matter, and their entry is respectfully
`
`requested.
`
`Conclusion
`
`Applicants believe that the present application is in condition for allowance. If the Examiner
`
`believes, for any reason, that personal communication will expedite prosecution of this application,
`
`the Examiner is invited to telephone the undersigned at the number provided.
`
`Prompt and favorable consideration of this Amendment is respectfully requested.
`
`R s lectfully submitted,
`
`ER, GOLDSTEIN & FOX P.L.L.C.
`
`ael • . Lee
`Attorney for Applicants
`Registration No. 35,239
`
`Date:
`
`1100 New York Avenue, N.W.
`Suite 600
`Washington, D.C. 20005-3934
`(202) 371-2600
`
`7
`
`MEDIATEK EX. 1002
`Page 14 of 85
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`

`

`Sorrells et al.
`Appl. No. 09/770,675
`
`Version with markings to show changes made
`
`In the Claims:
`
`1.(Amended) A [system] cable modem for down-converting an electromagnetic signal having
`
`complex modulations, comprising:
`
`an oscillator to generate an in-phase oscillating signal;
`
`a phase shifter to receive said in-phase oscillating signal and to create a quadrature-
`
`phase oscillating signal;
`
`a first universal frequency down-conversion module to receive the electromagnetic
`
`signal and said in-phase oscillating signal;
`
`a second universal frequency down-conversion module to receive the
`
`electromagnetic signal and said quadrature-phase oscillating signal; wherein
`
`said first universal frequency down-conversion module further comprising a first
`
`universal frequency [transfer] translation module and a first storage module, wherein said first
`
`universal frequency [transfer] translation module samples the electromagnetic signal at a rate that is
`
`a function of said in-phase oscillating signal, thereby creating a first sampled signal; and
`
`said second universal frequency down-conversion module further comprising a
`
`second universal frequency [transfer] translation module and a second storage module, wherein said
`
`first universal frequency [transfer] translation module samples the electromagnetic signal at a rate
`
`that is a function of said quadrature-phase oscillating signal, thereby creating a second sampled
`
`signal.
`
`2.(Amended) The [system] cable modem of claim 1, wherein said quadrature-phase oscillating
`
`signal is out of phase with said in-phase oscillating signal by substantially 90°.
`
`3.(Amended) The [system] cable modem of claim 1, wherein said first storage device has a first
`
`storage first [side] port and a first storage second [side] port, said first storage first [side] port being
`
`- 8 -
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`MEDIATEK EX. 1002
`Page 15 of 85
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`Sorrells et al.
`Appl. No. 09/770,675
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`connected to said first sampled signal, and said first storage second [side] port is connected to a first
`
`reference potential, and said second storage device has a second storage first [side] port and a
`
`second storage second [side] port, said second storage first [side] port being connected to said
`
`second sampled signal, and said second storage second [side] port is connected to a second
`
`reference potential.
`
`4.(Amended) The [system] cable modem of claim 3, wherein said first storage device is a first
`
`capacitor, and said second storage device is a second capacitor.
`
`5.(Amended) The [system] cable modem of claim 3, wherein said first reference potential is
`
`substantially equal to ground, and said second reference potential is substantially equal to ground.
`
`Claims 6, 7, and 8 are sought to be cancelled without prejudice or disclaimer.
`
`9.(Amended) The [system] cable modem of claim 1, wherein said first sampled signal is comprised
`
`of two or more voltage levels.
`
`10.(Amended)
`
`The [system] cable modem of claim 9, wherein said first sampled signal is
`
`comprised of eight voltage levels.
`
`11.(Amended)
`
`The [system] cable modem of claim 9, wherein said first sampled signal is
`
`comprised of sixteen voltage levels.
`
`12.(Amended)
`
`The [system] cable modem of claim 1, wherein said second sampled signal is
`
`comprised of two or more voltage levels.
`
`13.(Amended)
`
`The [system] cable modem of claim 12, wherein said second sampled signal
`
`is comprised of eight voltage levels.
`
`9
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`Appl. No. 09/770,675
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`14.(Amended)
`
`The [system] cable modem of claim 12, wherein said second sampled signal
`
`is comprised of sixteen voltage levels.
`
`15.(Amended)
`
`The [system] cable modem of claim 1, wherein said first sampled signal is a
`
`first information output signal, and said second sampled signal is a second information output
`
`signal.
`
`16.(Amended)
`
`The [system] cable modem of claim 1, further comprising a first amplifier
`
`receiving said first sampled signal and outputting a first amplified signal, and a second amplifier
`
`receiving said second sampled signal and outputting a second amplified signal.
`
`17.(Amended)
`
`The [system] cable modem of claim 16, further comprising a first filter
`
`receiving said first amplified signal and outputting a first filtered signal, and a second filter
`
`receiving said second amplified signal and outputting a second filtered signal.
`
`18.(Amended)
`
`The [system] cable modem of claim 1, further comprising a first filter
`
`receiving said first sampled signal and outputting a first filtered signal, and a second filter receiving
`
`said second sampled signal and outputting a second filtered signal.
`
`19.(Amended)
`
`The [system] cable modem of claim 1, wherein the electromagnetic signal has
`
`been transmitted over a coaxial cable to [a] the cable modem.
`
`20.(Amended)
`
`The [system] cable modem of claim 1, wherein the electromagnetic signal has
`
`been transmitted by a wireless method to [a] the cable modem.
`
`21.(Amended)
`
`A [multiphase transmitting system] cable modem, comprising:
`
`an oscillator to generate an in-phase oscillating signal;
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`-10-
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`Appl. No. 09/770,675
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`a phase shifter to receive said in-phase oscillating signal and to create a quadrature-
`
`phase oscillating signal;
`
`a first universal frequency translation module to receive said in-phase oscillating
`
`signal and a first information signal, wherein said in-phase oscillating signal causes said first
`
`universal frequency translation module to gate said first information signal and thereby generate a
`
`first periodic signal having a first plurality of harmonics[, said first periodic signal having an
`
`amplitude that is a function of said first information signal];
`
`a second universal frequency translation module to receive said quadrature-phase
`
`oscillating signal and a second information signal, wherein said quadrature-phase oscillating signal
`
`causes said second universal frequency translation module to gate said second information signal
`
`and thereby generate a second periodic signal having a second plurality of harmonics[, said second
`
`periodic signal having an amplitude that is a function of said second information signal];
`
`a summer coupled to said first universal frequency translation module and to said
`
`second universal frequency translation module, said summer to receive and combine said first
`
`periodic signal and said second periodic signal, and to output a combined periodic signal having a
`
`combined plurality of harmonics; and
`
`a filter coupled to said summer, said filter to isolate at least one of said combined plurality of
`
`harmonics.
`
`22.(Amended)
`
`The [multiphase transmitting system] cable modem of claim 21, wherein said
`
`in-phase oscillating signal and said quadrature-phase oscillating signal have substantially the same
`
`frequency and are out of phase with each other by substantially 90°.
`
`23.(Amended)
`
`The [multiphase transmitting system] cable modem of claim 21, further
`
`comprising:
`
`a first pulse shaping module connected to said first universal frequency translation
`
`module, said first pulse shaping module accepting said in-phase oscillating signal and outputting a
`
`-11-
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`Page 18 of 85
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`Appl. No. 09/770,675
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`first shaped oscillating signal, wherein said first shaped oscillating signal causes said first universal
`
`frequency translation module to gate said first information signal;
`
`a second pulse shaping module connected to said second universal frequency
`
`translation module, said second pulse shaping module accepting said quadrature-phase oscillating
`
`signal and outputting a second shaped oscillating signal, wherein said second shaped oscillating
`
`signal causes said second universal frequency translation module to gate said second information
`
`signal.
`
`24.(Amended)
`
`The [multiphase transmitting system] cable modem of claim 21, wherein said
`
`first information signal is comprised of two or more voltage levels.
`
`25.(Amended)
`
`The [multiphase transmitting system] cable modem of claim 24, wherein said
`
`first information signal is comprised of eight voltage levels.
`
`26.(Amended)
`
`The [multiphase transmitting system] cable modem of claim 24, wherein said
`
`first information signal is comprised of sixteen voltage levels.
`
`27.(Amended)
`
`The [multiphase transmitting system] cable modem of claim 21, wherein said
`
`second information signal is comprised of two or more voltage levels.
`
`28.(Amended)
`
`The [multiphase transmitting system] cable modem of claim 27, wherein said
`
`second information signal is comprised of eight voltage levels.
`
`29.(Amended)
`
`The [multiphase transmitting system] cable modem of claim 27, wherein said
`
`second information signal is comprised of sixteen voltage levels.
`
`-12-
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`Page 19 of 85
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`Sorrells et al.
`Appl. No. 09/770,675
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`30.(Amended)
`
`The [multiphase transmitting system] cable modem of claim 21, wherein said
`
`filter isolates an output signal, said output signal being transmitted from [a] the cable modem over a
`
`coaxial cable.
`
`31.(Amended)
`
`The [multiphase transmitting system] cable modem of claim 21, wherein said
`
`filter isolates an output signal, said output signal being transmitted from [a] the cable modem via a
`
`wireless method.
`
`- 13 -
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`MEDIATEK EX. 1002
`Page 20 of 85
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`

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`Robert W. Esmond
`Tracy-Gene G. Durkin
`Michele A. Cimbala
`Michael B. Ray
`Robert E. Sokohl
`Eric IC Steffe
`Michael Q. Lee
`Steven R. Ludwig
`John M. Covert
`Unda E. Alcorn
`Robert C. Millonig
`Lawrence B. Bugaisky
`Donald J. Featherstone
`Michael V. Messinger
`Judith U. Kim
`Timothy J. Shea, Jr.
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`Jeffery T. HeIvey.
`Heidi L Kraus
`Crystal D. Sayles
`Edward W. Yee
`Albert L Ferro*
`Donald R. Barmy&
`Peter A. Jadcman
`Molly A. McCall