Assignee
SITS SOC IT TELECOM SIEMENS
IT·104 granted patents·1,483 citations·filing 1974–1995
Top patents by PatentIndex Score
104 records- 0191US4035838ACable distribution system for wide-band message signalsSITS SOC IT TELECOM SIEMENS·Filed 1976·Granted Jul 12, 1977·209 cites·9 claims
- 0283US4063049APiezoelectric electroacoustic transducerSITS SOC IT TELECOM SIEMENS·Filed 1976·Granted Dec 13, 1977·62 cites·10 claims
- 0382US4024359AContinuity-checking network for telecommunication systemSITS SOC IT TELECOM SIEMENS·Filed 1976·Granted May 17, 1977·34 cites·4 claims
- 0481US4115665AMultiple circuit interrupter for telecommunication systemSITS SOC IT TELECOM SIEMENS·Filed 1977·Granted Sep 19, 1978·33 cites·6 claims
- 0580US4024360AStation checking network for telecommunication systemSITS SOC IT TELECOM SIEMENS·Filed 1976·Granted May 17, 1977·29 cites·13 claims
- 0678US4076966AMethod of and system for handling conference calls in digital telephone exchangeSITS SOC IT TELECOM SIEMENS·Filed 1976·Granted Feb 28, 1978·19 cites·12 claims
- 0775US3985956AMethod of and means for detecting voice frequencies in telephone systemSITS SOC IT TELECOM SIEMENS·Filed 1975·Granted Oct 12, 1976·36 cites·6 claims
- 0873US4272845AReceiver for data-transmission system operating with single-sideband amplitude modulationSITS SOC IT TELECOM SIEMENS·Filed 1979·Granted Jun 9, 1981·41 cites·9 claims
- 0973US4182997ABand-pass/band-stop filter for telecommunication systemSITS SOC IT TELECOM SIEMENS·Filed 1977·Granted Jan 8, 1980·24 cites·10 claims
- 1073US4081611ACoupling network for time-division telecommunication systemSITS SOC IT TELECOM SIEMENS·Filed 1976·Granted Mar 28, 1978·19 cites·17 claims
- 1172US5138275APredistortion linearizer for microwave power amplifiersSITS SOC IT TELECOM SIEMENS·Filed 1991·Granted Aug 11, 1992·28 cites·15 claims
- 1272US4318007ACircuit arrangement for controlling the energization of a load from a plurality of current sourcesSITS SOC IT TELECOM SIEMENS·Filed 1980·Granted Mar 2, 1982·30 cites·7 claims
- 1371US4350948AVoltage-step-down circuit with chopping transistor for D-C power supplySITS SOC IT TELECOM SIEMENS·Filed 1980·Granted Sep 21, 1982·22 cites·4 claims
- 1470US4233658ATransistorized D-C/A-C converterSITS SOC IT TELECOM SIEMENS·Filed 1978·Granted Nov 11, 1980·21 cites·7 claims
- 1569US4109379AManipulator for the insertion and extraction of printed-circuit boards into and from a holder thereforSITS SOC IT TELECOM SIEMENS·Filed 1977·Granted Aug 29, 1978·30 cites·10 claims
- 1667US3969638AIntegrated circuit breakerSITS SOC IT TELECOM SIEMENS·Filed 1975·Granted Jul 13, 1976·16 cites·8 claims
- 1767US3967205AFrequency dividing network with odd integral step-down ratioSITS SOC IT TELECOM SIEMENS·Filed 1975·Granted Jun 29, 1976·14 cites·5 claims
- 1864US5020148AImage suppression harmonic frequency converter operating in the microwave fieldSITS SOC IT TELECOM SIEMENS·Filed 1988·Granted May 28, 1991·23 cites·15 claims
- 1963US4119805ALine-control unit for telecommunication systemSITS SOC IT TELECOM SIEMENS·Filed 1977·Granted Oct 10, 1978·12 cites·12 claims
- 2063US4020290ASignalization coordinator for PCM switching systemSITS SOC IT TELECOM SIEMENS·Filed 1975·Granted Apr 26, 1977·15 cites·10 claims
- 2163US3938086ACircuit arrangement for correcting slip errors in pcm receiversSITS SOC IT TELECOM SIEMENS·Filed 1975·Granted Feb 10, 1976·15 cites·5 claims
- 2261US5784551ADuplicate control and processing unit for telecommunications equipmentSITS SOC IT TELECOM SIEMENS·Filed 1993·Granted Jul 21, 1998·59 cites·6 claims
- 2361US4087648AModular connector for switching frameSITS SOC IT TELECOM SIEMENS·Filed 1976·Granted May 2, 1978·10 cites·14 claims
- 2460US5152869AProcess for obtaining passive thin-layer circuits with resistive lines having different layer resistances and passive circuit made by said processSITS SOC IT TELECOM SIEMENS·Filed 1990·Granted Oct 6, 1992·27 cites·6 claims
- 2559US4021744ADemodulator for frequency-keyed communication systemSITS SOC IT TELECOM SIEMENS·Filed 1976·Granted May 3, 1977·23 cites·5 claims
- 2659US3973227ATransmission line for TDM communication systemSITS SOC IT TELECOM SIEMENS·Filed 1975·Granted Aug 3, 1976·19 cites·1 claims
- 2758US5414766AProcess and device for adaptive digital cancellation of the echo generated in time-varying telephone connectionsSITS SOC IT TELECOM SIEMENS·Filed 1993·Granted May 9, 1995·37 cites·20 claims
- 2857US3961311ACircuit arrangement for correcting slip errors in receiver of cyclic binary codesSITS SOC IT TELECOM SIEMENS·Filed 1974·Granted Jun 1, 1976·17 cites·7 claims
- 2955US4069402ARemote-testing arrangement for PCM transmission systemSITS SOC IT TELECOM SIEMENS·Filed 1976·Granted Jan 17, 1978·19 cites·10 claims
- 3054US4340856AApparatus for testing an analog/digital converterSITS SOC IT TELECOM SIEMENS·Filed 1980·Granted Jul 20, 1982·18 cites·6 claims
- 3154US4209755ATunable oscillator comprising dual-cavity klystronSITS SOC IT TELECOM SIEMENS·Filed 1978·Granted Jun 24, 1980·9 cites·4 claims
- 3254US4147895AExpandable memory for the suppression of phase jitter in a telecommunication systemSITS SOC IT TELECOM SIEMENS·Filed 1977·Granted Apr 3, 1979·14 cites·8 claims
- 3353US4148088AElectronic circuit breakerSITS SOC IT TELECOM SIEMENS·Filed 1977·Granted Apr 3, 1979·11 cites·9 claims
- 3453US4130736ATelecommunication system with keyboard selectionSITS SOC IT TELECOM SIEMENS·Filed 1977·Granted Dec 19, 1978·8 cites·5 claims
- 3552US4328898AFrame for storing printed-circuit boards or the likeSITS SOC IT TELECOM SIEMENS·Filed 1979·Granted May 11, 1982·16 cites·8 claims
- 3652US4188599AInductance coil for telecommunication system and method of making sameSITS SOC IT TELECOM SIEMENS·Filed 1977·Granted Feb 12, 1980·9 cites·8 claims
- 3752US4152670ASignal generator, especially for ringing current in telecommunication systemSITS SOC IT TELECOM SIEMENS·Filed 1978·Granted May 1, 1979·11 cites·10 claims
- 3851US3969592APushbutton-controlled call-number selector for dial-equipped telephoneSITS SOC IT TELECOM SIEMENS·Filed 1974·Granted Jul 13, 1976·10 cites·10 claims
- 3950US4875025AMicrostrip transmission line for coupling to a dielectric resonatorSITS SOC IT TELECOM SIEMENS·Filed 1987·Granted Oct 17, 1989·10 cites·8 claims
- 4049US3939306AVideotelephone system with centralized synchronization controlSITS SOC IT TELECOM SIEMENS·Filed 1974·Granted Feb 17, 1976·7 cites·8 claims
- 4148US5418849AProcedure and device for adaptive digital cancellation of the echo generated in telephone connections with time-variant characteristicsSITS SOC IT TELECOM SIEMENS·Filed 1992·Granted May 23, 1995·21 cites·15 claims
- 4248US4320265ALine repeater for telephone system using radio linksSITS SOC IT TELECOM SIEMENS·Filed 1979·Granted Mar 16, 1982·11 cites·11 claims
- 4347US4199668ACircuit arrangement for signal equalization in wide-band transmission systemSITS SOC IT TELECOM SIEMENS·Filed 1978·Granted Apr 22, 1980·11 cites·6 claims
- 4446US4313198ASynchronous demultiplexer with elastic bit store for TDM/PCM telecommunication systemSITS SOC IT TELECOM SIEMENS·Filed 1979·Granted Jan 26, 1982·10 cites·6 claims
- 4546US4307462ASynchronous demultiplexer with elastic dual-memory bit store for TDM/PCM telecommunication systemSITS SOC IT TELECOM SIEMENS·Filed 1979·Granted Dec 22, 1981·10 cites·4 claims
- 4646US4247828AReciprocating piston tuning mechanism for a microwave oscillatorSITS SOC IT TELECOM SIEMENS·Filed 1979·Granted Jan 27, 1981·6 cites·6 claims
- 4746US4209841AInterface unit facilitating data exchange between central processor memory and high-speed peripheral unitSITS SOC IT TELECOM SIEMENS·Filed 1978·Granted Jun 24, 1980·18 cites·7 claims
- 4846US4098046AGuide frame for slidable articlesSITS SOC IT TELECOM SIEMENS·Filed 1976·Granted Jul 4, 1978·10 cites·10 claims
- 4946US4007328AVideotelephone system with anti-crosstalk meansSITS SOC IT TELECOM SIEMENS·Filed 1974·Granted Feb 8, 1977·6 cites·10 claims
- 5045US5463360AMicrowave oscillator with improved phase noise characteristicSITS SOC IT TELECOM SIEMENS·Filed 1995·Granted Oct 31, 1995·11 cites·8 claims
Showing the top 50 of 104 patent records by PatentIndex Score.
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