СПИСОК патентов США - подгруппа МПК16 H04Q11/08


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№ п/п Номер патента Название патента

2006

17023844Scalable switching fabric

2005

26879603Processor-based voice and data time slot interchange system

2003

36556566Time division switch with inserter and dropper using external memory and time division switching method

2002

46493354Resource allocator
56466551Simplex/duplex switching system
66426951Device and a method for switching data frames
76400714Method and apparatus for dynamic time slot assignment

2000

86101198Processor-based voice and data time slot interchange system
96064670Matrix for switching between two multiplex groups

1999

105917427Digital switch array
115905734Time slot interchanger and digital communications terminal for ISDN D-channel assembly
125892760Device for binary data transfer between a time-division multiplex and a memory
135883902Time slot interchanger and digital communications terminal for ISDN D-channel assembly

1998

145818834Serial bit rate converter embedded in a switching matrix
155784369Methods and system for switching time-division-multiplexed digital signals of different rates

1997

165701299Method of and apparatus for switching multi-slot time division signals
175617414Power reduction in time-space switches
185592479Time switching device having identical frame delay and a method thereof in a full-electronic exchange

1996

195590129Single stage telecommunications switch with partitioned processors
205570358Method for Implementing switching in time or space domain
215555245Method for implementing time switching and a time switch
225535203Method for implementing time switching, and a time switch
235521920Time-division multiplexer with reduced delay time
245521912Time slot shifter enhances data concentration
255509005Power saving time slot interchanger with random read/write cycles

1995

265467340Time division switch
275450401Time slot switching device with a single data memory
285434857Circuit for confirming a connection route of address control memory
295430723Time-slot switching system identifying and storing only time-slot signals to be output in a time division multiplex control system
305430718Generating idle codes in switches
315420855Multi-port time switch element
325412657Variable resolution time slot interchange circuit
335408468Queueing system for switches having fast circuit properties
345402414Time slot interchange apparatus for maintenance dedicated line of signal transmission apparatus
355390333Switch array power reduction apparatus
365381406Time switching circuit

1994

375373505Switching network for digital switching systems composed of switching matrices connected parallel at the input side
385351238Method of controlling a frame phase of a time-division switch and frame phase variable time-division switch
395349578Time slot switching function diagnostic system
405331632Expandable time slot interchanger
415305322Phase alignment circuit for stuffed-synchronized TDM transmission system with cross-connect function
425287350Sub-rate time switch

1993

435260937Power conserving technique for a communications terminal time slot interchanger
445257260Expanding switching capability of a time division communication system by multiplexing groups of circuits into successions

1992

455155728Time division speech path apparatus
465123012Time division switching apparatus
475119368High-speed time-division switching system

1991

485058104TDM demultiplexer with dedicated maintenance channels to indicate high-speed line faults to low speed circuits
495040174Time division speech path apparatus
505027345Digital key telephone system
515022026Method of throughconnecting wideband connections in a digital time switch module between subscribers, and a device for carrying out the method
525014268Parallel time slot interchanger matrix and switch block module for use therewith

1990

534972407Time-division switching circuit transforming data formats
544959830Method and apparatus for through-connecting a wideband connection in a digital time switch
554941141Time division switching for multi-channel calls using two time switch memories acting as a frame aligner
564912700Telecommunications digital switch
574905226Double-buffered time division switching system
584903259Time-division multiplex switching network
594901308Digital bridge for a time slot interchange digital switched matrix
604893310Digital key telephone system

1989

614876682Switching tdm digital signals
624873682Digital key telephone system
634873663Control memory using recirculating shift registers for a TDM switching apparatus
644841522Time division channel switching circuit
654825433Digital bridge for a time slot interchange digital switched matrix
664823340Circuit arrangement for non-blocking switching of PCM channels in the space and time domain

1988

674771420Time slot interchange digital switched matrix
684764921Method of multiplexing digital signals
694759012Time division switching system
704759010Time switch with a dual memory structure-type control memory
714748615Digital TDM switching exchange wherein switching is effected by the read/write sequences of data stores
724740953Time division speech path switch

1987

734686670Method of switching time slots in a TDM-signal and arrangement for performing the method
744658397Time division multiplex data transfer system and method for telephone switching or like applications

1986

754574375Interface arrangement for a telephone system or the like
764564926Information memory device with address multiplexing

1985

774512014Time slot multiplex system for the division multiplexing of digital communication signals
784500986Asymmetrical time division matrix apparatus

1984

794482995Time division multiplex switching network unit
804470139Switching network for use in a time division multiplex system
814455648Time division multiplex switching network unit
824450557Switching network for use in a time division multiplex system
834425641Time division multiplex telecommunication digital switching modules
844425640Telecommunications switching network using digital switching modules

1983

854398285Time-division multiplex switching network
864392221Time division multiplex module for use in digital switching network
874386425Switching unit for the transfer of digitized signals in PCM system
884382295Digital conference time slot interchanger
894371962Circuit arrangement for compensating phase differences of non-synchronous clock pulse rates of a telecommunication system

1981

904298977Broadcast and alternate message time slot interchanger

1979

914154986Time slot interchanging network
924154982Switching network for establishing two-way connections between selected subscribers and an automatic exchange in a PCM telephone system

1976

933999162Time-division multiplex switching circuitry
943997874Time divided switching and concentration apparatus
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Дата формирования списка: 03.04.2017