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`Case 6:21-cv-00520-ADA Document 32-20 Filed 02/23/22 Page 1 of 102
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`EXHIBIT 19-2
`EXHIBIT 19-2
`
`

`

`
`Case 6:20-cv-00870-ADA Document 34-2 Filed 08/23/21 Page 1 of 101Case 6:21-cv-00520-ADA Document 32-20 Filed 02/23/22 Page 2 of 102
`Case 6:20-cv-00870-ADA Document 34-2 Filed 08/23/21 Page 1 of 101
`
`
`
`EXHIBIT 1
`EXHIBIT 1
`
`

`

`
`
`Case 6:20-cv-00870-ADA Document 34-2 Filed 08/23/21 Page 2 of 101Case 6:21-cv-00520-ADA Document 32-20 Filed 02/23/22 Page 3 of 102
`
`1111111111111111111111111111!!!1111111111111111111111111111111111
`
`United States Patent [19]
`Cook et al.
`
`[n] Patent Number:
`[45] Date of Patent:
`
`6,049,706
`Apr. 11, 2000
`
`[54]
`
`INTEGRATED FREQUENCY TRANSLATION
`AND SELECTIVITY
`
`[75]
`
`Inventors: Robert W. Cook, Switzerland; Michael
`J. Bultman, Jacksonville; Richard C.
`Looke, Jacksonville; Charley D.
`Moses, Jr., Jacksonville; David F.
`Sorrells, Jacksonville, all of Fla.
`
`[73] Assignee: ParkerVision, Inc., Jacksonville, Fla.
`
`[21] Appl. No.: 09/175,966
`
`[22] Filed:
`
`Oct. 21, 1998
`
` 1104B 1/26
`[51] Int. C1.7
` 455/313; 455/296; 307/497
`[52] U.S. Cl.
` 455/131, 150.1,
`[58] Field of Search
`455/179.1, 180.1, 182.3, 192.3, 230, 266,
`296, 306, 307; 307/203, 204, 215, 277,
`295, 480, 487, 497
`
`[56]
`
`References Cited
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`(List continued on next page.)
`
`Primary Examiner—Reinhard J. Eisenzopf
`Assistant Examiner—Sam Bhattacharya
`Attorney, Agent, or Firm—Sterne, Kessler, Goldstein & Fox
`P.L.L.C.
`
`[57]
`
`ABSTRACT
`
`Methods and apparatuses for frequency selectivity and fre-
`quency translation, and applications for such methods and
`apparatuses, are described herein. The method includes steps
`of filtering an input signal, and down-converting the filtered
`input signal. The filtering and the down-conversion opera-
`tions are performed in an integrated, unified manner. The
`apparatus described herein can be implemented as an inte-
`grated circuit (IC).
`
`194 Claims, 55 Drawing Sheets
`
`Receiver
`802
`
`Frequency
`Translation
`
`808
`
`810
`
`C Frequency Selection
`
`)
`
`812
`
`Amplification
`
`Output
` Pi Signal
`806
`
`Input
`Spectrum
`804
`
`

`

`
`
`Case 6:20-cv-00870-ADA Document 34-2 Filed 08/23/21 Page 3 of 101Case 6:21-cv-00520-ADA Document 32-20 Filed 02/23/22 Page 4 of 102
`
`6,049,706
`Page 2
`
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`
`

`

`
`
`Case 6:20-cv-00870-ADA Document 34-2 Filed 08/23/21 Page 4 of 101Case 6:21-cv-00520-ADA Document 32-20 Filed 02/23/22 Page 5 of 102
`
`6,049,706
`Page 3
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`455/86
`332/100
`332/103
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`375/322
`372/202
`332/117
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`329/315
`455/266
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`327/92
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`375/260
`329/300
`375/200
`455/234.2
`375/316
`375/350
`327/554
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`375/206
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`359/189
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`455/307
`327/557
`332/103
`342/89
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`455/266
`375/316
`375/267
`375/346
`455/324
`332/103
`370/484
`375/219
`370/342
`386/1
`375/269
`375/340
`375/328
`348/6
`455/324
`375/202
`375/316
`375/334
`455/323
`375/219
`342/357
`363/159
`375/260
`375/316
`332/178
`375/346
`363/146
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` 327/554
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` 375/347
` 329/304
` 327/105
` 327/356
` 363/72
` 455/93
` 348/725
` 359/180
` 348/6
` 375/219
` 455/208
` 375/206
` 356/318
` 331/25
` 332/100
` 455/280
` 455/118
` 327/172
` 327/176
` 455/76
` 327/9
` 363/41
` 375/347
` 455/76
` 455/234.1
` 455/254
` 455/302
` 327/308
` 329/342
` 331/16
` 361/58
` 370/338
` 375/207
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` 455/326
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