RIM SEMICONDUCTOR COMPANY

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2009/0180,576 Amplitude modulation decoderAbandonedJun 13, 08Jul 16, 09[H04L]
7327793 DMT peak reduction without affecting transmission signalExpiredMar 01, 02Feb 05, 08[H04K]
7280469 Efficient implementation of large size FFTExpiredAug 31, 01Oct 09, 07[H04J]
7233626 Flexible bit selection using turbo trellis-coded modulationExpiredMar 18, 02Jun 19, 07[H04L]
7106855 Method and apparatus for connecting broadband voice and data signals to telephone systemsExpiredApr 12, 01Sep 12, 06[H04M]
7024443 Method and system for performing a fast-Fourier transformExpiredNov 08, 02Apr 04, 06[G06F]
6999507 DMT bit allocation with imperfect TEQExpiredDec 20, 00Feb 14, 06[H04B]
6999531 Soft-decision decoding of convolutionally encoded codewordExpiredFeb 26, 01Feb 14, 06[H03D]
2005/0152,409 Method of increasing channel capacity of FFT and IFFT enginesAbandonedOct 29, 04Jul 14, 05[H04J]
2005/0141,410 Method of reducing peak-to-average ratio in multi-carrier communications systemsAbandonedOct 29, 04Jun 30, 05[H04J]
6757859 Parallel turbo trellis-coded modulationExpiredMay 01, 00Jun 29, 04[H03M]
6697423 Precursor decision feedback equalizer (PDFE)ExpiredOct 10, 00Feb 24, 04[H03H]
6674845 Method and apparatus for connecting broadband voice and data signals to telephone systemsExpiredJun 21, 01Jan 06, 04[H04M]
6671327 Turbo trellis-coded modulationExpiredMay 01, 00Dec 30, 03[H04L]
2003/0145,026 Fast fourier transform signal processingAbandonedJan 30, 03Jul 31, 03[G06F]
2002/0023,246 Combination reed-solomon and turbo codingAbandonedAug 10, 01Feb 21, 02[H03M]
6138244 Timing recovery with minimum jitter movementExpiredSep 30, 98Oct 24, 00[G06F]

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