Case 6:21-cv-00520-ADA Document 32-17 Filed 02/23/22 Page 1 of 91
`Case 6:21-cv-00520-ADA Document 32-17 Filed 02/23/22 Page 1 of 91
`
`EXHIBIT 18
`EXHIBIT 18
`
`
`
`

`

`(12) United States Patent
`Sorrells et al.
`
`USOO6370371B1
`(10) Patent No.:
`US 6,370,371 B1
`(45) Date of Patent:
`*Apr. 9, 2002
`
`(54) APPLICATIONS OF UNIVERSAL
`FREOUENCY TRANSLATO
`QUEN
`N
`N
`(75) Inventors: David F. Sorrells; Michael J.
`tly, St. O FishRobert
`too. Switzer;
`le Charley P.M., Jr., both of
`aCKSOnVille, all O
`(73) Assignee: ParkerVision, Inc., Jacksonville, FL
`(US)
`
`11.
`
`(*) Notice:
`
`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.
`
`(21) Appl. No.: 09/261,129
`1-1.
`(22) Filed:
`
`Mar. 3, 1999
`Related U.S. Application Data
`O
`(63) Continuation-in-part of application No. 09/176,027, filed on
`Oct. 21, 1998, now abandoned.
`(51) Int. Cl." .............................. H04B 1/26. H04B 1/40
`(52) U.S. CI.
`... 455/323; 455/313; 327/113
`(58) Field of Search .......................... 327/113; 455/313,
`455/323,333
`
`(56)
`
`References Cited
`U.S. PATENT DOCUMENTS
`
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`2- - -
`ap ..........
`3. A E. bit al. .................. "...
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`
`DE
`EP
`EP
`
`2Y-4-2
`
`OllKCS . . . . . . . . . . . . . . . . . . . . . . .
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`5
`bb
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`FOREIGN PATENT DOCUMENTS
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`OTHER PUBLICATIONS
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`p
`224.5130, 3 pages.
`Aghvami, H. et al., “Land Mobile Satellites Using the
`Highly Elliptic Orbits- The UK T-SAT Mobile Payload.”
`4' International Conf. On Satellite Systems for Mobile
`grgications and Navigation, Oct. 17-19, 1988, pp.
`Akers, N.P. et al., “RF Sampling Gates: a Brief Review,”
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`Primary Examiner Dwayne Bost
`Assistant Examiner Miguel D. Green
`(74) Attorney, Agent, or Firm-Sterne, Kessler, Goldstein
`& Fox, P.L.L.
`ABSTRACT
`(57)
`Frequency translation and applications of Same are
`described herein. Such applications include, but are not
`limited to, frequency down-conversion, frequency
`up-conversion, enhanced signal reception, unified down
`conversion and filtering, and combinations and applications
`of same.
`
`68 Claims, 58 Drawing Sheets
`
`- - - - - - - - - - - - -
`
`- - - - -
`
`:
`
`UDF MODULE 1922
`
`Case 6:21-cv-00520-ADA Document 32-17 Filed 02/23/22 Page 2 of 91
`
`- M -
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`-
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`OUTPUT SAMP
`Elvir 19s
`A.
`. - is
`1920
`OUTPUT SMOOTHING
`Fire isky, 9:5, a
`1708
`SECOND DELAY
`Ellings N'
`-
`Hisp VN; v.
`1908 1966 MODULE 1930 1990F
`- - - -- - - - - u u u u ul 1958-N-9.
`DOWN CONVERT AND
`v0 \.
`DELAY MODULE 1924;
`:
`1902 1954 - 1904
`-
`ov) givabs4\", 90Evil
`1950, 1990A
`Ell
`visits Si> -?;
`1960 1914--a 1990D FIRST SCALENC
`C9
`alples
`|
`FERS DELAY
`t
`voy)
`ki.
`MODULE 1928
`YY-1 MODULE 952
`-
`<3
`Y- Y
`1925 \-1916 SECOND SCALING
`SCONTROLSIGNAL (sAMPLING SIGNA
`)
`MODULE 1934
`v - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
`TY INPUT FILTER 1705
`
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`|
`
`
`
`

`

`US 6,370,371 B1
`Page 2
`
`U.S. PATENT DOCUMENTS
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`
`Case 6:21-cv-00520-ADA Document 32-17 Filed 02/23/22 Page 3 of 91
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`
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`2- - -a-
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`-
`
`- - - - - - - - - - - - - - - -
`
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`
`

`

`US 6,370,371 B1
`Page 3
`
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`
`Case 6:21-cv-00520-ADA Document 32-17 Filed 02/23/22 Page 4 of 91
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`EP
`EP
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`EP
`EP
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`EP
`EP
`EP
`EP
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`GB
`GB
`JP
`JP
`JP
`WO
`WO
`WO
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