Assignee
UNIVERSAL DATA SYSTEMS INC
US·36 granted patents·1,555 citations·filing 1979–1993
Top patents by PatentIndex Score
36 records- 0193US4578533ASwitchable line powered modemUNIVERSAL DATA SYSTEMS INC·Filed 1984·Granted Mar 25, 1986·130 cites·18 claims
- 0293US4417099AElectro-optical isolator circuit for line powered modemUNIVERSAL DATA SYSTEMS INC·Filed 1980·Granted Nov 22, 1983·142 cites·3 claims
- 0393USD262106SData modemUNIVERSAL DATA SYSTEMS INC·Filed 1979·Granted Dec 1, 1981·31 cites·1 claims
- 0491US4621366AModem equalizer training using previously stored parametersUNIVERSAL DATA SYSTEMS INC·Filed 1984·Granted Nov 4, 1986·109 cites·11 claims
- 0590US4395590ALine powered modemUNIVERSAL DATA SYSTEMS INC·Filed 1980·Granted Jul 26, 1983·95 cites·20 claims
- 0689USD351841SHandheld portable modemUNIVERSAL DATA SYSTEMS INC·Filed 1993·Granted Oct 25, 1994·48 cites·1 claims
- 0787US4373117ADC to DC converter for line powered modemUNIVERSAL DATA SYSTEMS INC·Filed 1980·Granted Feb 8, 1983·69 cites·10 claims
- 0884US4415774ALine powered modem automatic answer device powered from equipmentUNIVERSAL DATA SYSTEMS INC·Filed 1981·Granted Nov 15, 1983·64 cites·9 claims
- 0983US4939623AModem with improved transformer assemblyUNIVERSAL DATA SYSTEMS INC·Filed 1989·Granted Jul 3, 1990·58 cites·19 claims
- 1081US4970715AModem with improved remote echo location and cancellationUNIVERSAL DATA SYSTEMS INC·Filed 1989·Granted Nov 13, 1990·58 cites·22 claims
- 1179US5224154ALine powered DCA including dual programmed microcontrollersUNIVERSAL DATA SYSTEMS INC·Filed 1991·Granted Jun 29, 1993·126 cites·12 claims
- 1279US4263670AMicroprocessor data modemUNIVERSAL DATA SYSTEMS INC·Filed 1979·Granted Apr 21, 1981·37 cites·12 claims
- 1377US4956852AMethod for remote configuration of a modemUNIVERSAL DATA SYSTEMS INC·Filed 1988·Granted Sep 11, 1990·61 cites·14 claims
- 1473US5307351AData communication apparatus for adjusting frame length and method of operating sameUNIVERSAL DATA SYSTEMS INC·Filed 1991·Granted Apr 26, 1994·77 cites·16 claims
- 1570US5490169ADecision feedback equalizer method and apparatusUNIVERSAL DATA SYSTEMS INC·Filed 1993·Granted Feb 6, 1996·58 cites·22 claims
- 1668US5222081AMethod of performing an autobaud function using a state flow machineUNIVERSAL DATA SYSTEMS INC·Filed 1991·Granted Jun 22, 1993·72 cites·10 claims
- 1766US4852122AModem suited for wireless communication channel useUNIVERSAL DATA SYSTEMS INC·Filed 1987·Granted Jul 25, 1989·33 cites·17 claims
- 1864US4606051AQPSK demodulator with I and Q post-detection data correctionUNIVERSAL DATA SYSTEMS INC·Filed 1983·Granted Aug 12, 1986·27 cites·10 claims
- 1962US5228064AData timing recovery apparatus and methodUNIVERSAL DATA SYSTEMS INC·Filed 1989·Granted Jul 13, 1993·35 cites·24 claims
- 2058US5226060AModem receiver with nonlinear equalizationUNIVERSAL DATA SYSTEMS INC·Filed 1992·Granted Jul 6, 1993·30 cites·40 claims
- 2152US5148435ATestable modem and data communications networkUNIVERSAL DATA SYSTEMS INC·Filed 1990·Granted Sep 15, 1992·27 cites·29 claims
- 2250US4969144AAdaptive passband echo cancellerUNIVERSAL DATA SYSTEMS INC·Filed 1989·Granted Nov 6, 1990·16 cites·15 claims
- 2347US5367534ASynchronous flow control methodUNIVERSAL DATA SYSTEMS INC·Filed 1993·Granted Nov 22, 1994·26 cites·10 claims
- 2447US5280473AModem with echo cancellationUNIVERSAL DATA SYSTEMS INC·Filed 1992·Granted Jan 18, 1994·16 cites·12 claims
- 2543US5245556AAdaptive equalizer method and apparatusUNIVERSAL DATA SYSTEMS INC·Filed 1992·Granted Sep 14, 1993·18 cites·28 claims
- 2641USD331399SFront panel for digital communications peripheralsUNIVERSAL DATA SYSTEMS INC·Filed 1990·Granted Dec 1, 1992·5 cites·1 claims
- 2741US4834661ABusy-out line connectorUNIVERSAL DATA SYSTEMS INC·Filed 1987·Granted May 30, 1989·9 cites·7 claims
- 2839US5365545AMODEM-channel bank converterUNIVERSAL DATA SYSTEMS INC·Filed 1992·Granted Nov 15, 1994·17 cites·24 claims
- 2936US4939722ATime division multiplexer having data rate and number of channels flexibilityUNIVERSAL DATA SYSTEMS INC·Filed 1989·Granted Jul 3, 1990·11 cites·16 claims
- 3035US5309481AApparatus for adjusting signal points, equalizer coefficients and the likeUNIVERSAL DATA SYSTEMS INC·Filed 1993·Granted May 3, 1994·17 cites·36 claims
- 3131US4999744AEjector mechanismUNIVERSAL DATA SYSTEMS INC·Filed 1989·Granted Mar 12, 1991·10 cites·5 claims
- 3231US4853954ADial-up line modem directly compatible with mainframe host having bisynchronous communication protocolUNIVERSAL DATA SYSTEMS INC·Filed 1987·Granted Aug 1, 1989·4 cites·17 claims
- 3329US5231560AAuto-insertable componentUNIVERSAL DATA SYSTEMS INC·Filed 1992·Granted Jul 27, 1993·5 cites·18 claims
- 3428US5388109AData communications device with resident link adapterUNIVERSAL DATA SYSTEMS INC·Filed 1992·Granted Feb 7, 1995·6 cites·14 claims
- 3525US5245560ASequence detection methodUNIVERSAL DATA SYSTEMS INC·Filed 1992·Granted Sep 14, 1993·4 cites·30 claims
- 3621US5072448AQuasi-random digital sequence detectorUNIVERSAL DATA SYSTEMS INC·Filed 1989·Granted Dec 10, 1991·4 cites·11 claims
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