Patents
Sitemap › H04 - Electric communication technique › H04L - Transmission of digital information, e.g. telegraphic communication › H04L 7 - Arrangements for synchronising receiver with transmitter
Patents for H04L 7 - Arrangements for synchronising receiver with transmitter (36,432)
01/1992
01/02/1992EP0463380A1 Digital data regeneration and deserialization circuits
01/02/1992EP0463269A1 Method and apparatus for automatic functional speed setting of a data circuit terminating equipment
01/02/1992DE4020808A1 Clock pulse controlled data bit transmitter - has subscriber station with controllable clock pulse source coupled to data line
01/02/1992DE4020719A1 Digital data signal transmission system - performs halving of parallel clock signal frequency before transmission
01/02/1992DE4019977A1 Self-centring data recovery circuit for signal receiver - uses clock controlled storage element inserted in input signal path
01/02/1992DE4019976A1 Self-centring data recovery circuit for signal receiver - uses flip=flop receiving input signal and clock signal provided by phase regulating loop
01/02/1992DE4019666A1 Servo synchronisation circuitry with phase and frequency detectors - feeds frequency detector oscillator output signal directly to 2 memories and phase-shifted to other 2 memories
01/02/1992DE4018911A1 Frame synchronisation procedure for phase keying and AM - recognising symbol position of sub-alphabet in symbol train by selection of signal alphabet lower quantities
12/1991
12/31/1991US5077758 Signal detector and bit synchronizer
12/31/1991US5077529 Wide bandwidth digital phase locked loop with reduced low frequency intrinsic jitter
12/30/1991CA2044052A1 Pattern matching circuit
12/27/1991EP0462429A2 Circuit arrangement for digital data transmission
12/27/1991EP0171436B1 Multi-phase synchronizing circuit
12/26/1991WO1991020145A1 Signal acquisition
12/24/1991CA1293534C Decision-directed control circuit
12/18/1991EP0461878A2 Non-contact IC card and signal processing method thereof
12/18/1991EP0461816A2 Communication network node used for network interconnection
12/17/1991US5073981 Optical communication by injection-locking to a signal which modulates an optical carrier
12/17/1991US5073906 Synchronization word detection apparatus
12/17/1991US5073905 Apparatus for and method of synchronizing a local oscillator to a received digital bit stream
12/17/1991US5073904 Digital signal processing type demodulation method and demodulation circuit
12/12/1991WO1991019371A1 Method and apparatus for timing recovery in digital data communications systems
12/12/1991WO1991019358A1 Time based signal detector
12/12/1991WO1991015907A3 Bit and frame synchronizing unit for an access node in an optical transmission device
12/11/1991EP0460835A2 SDH Rejustification
12/11/1991EP0460604A2 Pattern sychronizing circuit
12/11/1991EP0460260A1 Tracking arrangement for synchronization
12/11/1991CN1056967A Method and apparatus for timing recovery in digital data communications systems
12/10/1991US5072449 Packet framing using cyclic redundancy checking
12/10/1991US5072207 Device for generating a signal for one-bit masking at the time of a dynamic comparison of a mesh of serial data with a reference
12/07/1991CA2043803A1 Pattern synchronizing circuit
12/05/1991CA2043375A1 Sdh rejustification
12/04/1991EP0459686A2 Digital signal synchronization employing single elastic store
12/04/1991EP0459289A1 Optical transceiver
12/03/1991US5070517 Method and circuit for retuning the frequency of a frequency source
12/03/1991CA1292817C Method and apparatus for transmitting a sychronous data signal on a transmission medium on which the transmission rate is greater than the data signal bit rate
11/1991
11/28/1991WO1991018485A1 Code word recognition unit and its use
11/27/1991EP0458648A2 Communication interface for serial transmission of variable length data tokens
11/26/1991US5068880 Optical interconnects in the computer environment
11/26/1991US5068877 Method for synchronizing interconnected digital equipment
11/26/1991US5068628 Digitally controlled timing recovery loop
11/21/1991EP0456975A2 Reliability test of results from threshold decoder in linear feedback sequence detector
11/21/1991EP0456946A1 Method and apparatus for recognition of a framing pattern distributed in a serial bit stream
11/19/1991WO1991018457A1 Method of and circuit for synchronizing data
11/19/1991US5067138 Phase-locked-loop circuit and bit-detection arrangement comprising such a phase-locked-loop circuit
11/19/1991CA1292288C Method for generating a correction signal in a digital clock recovery device
11/14/1991WO1991017613A1 Correlation process for obtaining an electrical signal
11/14/1991DE4015283A1 Synchronising frame structure in sync. digital hierarchy
11/13/1991EP0456625A1 A method of transmitting different commands relating to the choice of transmitter antenna in a time multiplex radio communication system
11/13/1991EP0456422A2 Sagnac optical logic gate
11/13/1991EP0171433B1 Identification system and transponder therefor
11/12/1991US5065454 Clock distributor
11/12/1991US5065412 Process and circuit arrangement for digital control of the phase of scanning clock pulses
11/12/1991US5065408 Fractional-division synthesizer for a voice/data communications systems
11/09/1991WO1991017474A1 Optical signal regenerator and optical communications system incorporating same
11/09/1991CA2082389A1 Optical signal regenerator and optical communications system incorporating same
11/09/1991CA2033850A1 Violation control circuit in isdn
11/07/1991DE4014767A1 Verfahren zum gewinnen eines elektrischen signals durch korrelation Method for the extraction of an electrical signal by correlation
11/06/1991EP0455038A2 Advance/retard control circuit with PDM accumulator and second order loopfilter
11/06/1991CN1056028A Virtual tributary cross connect switch and switch network utilizing same
11/05/1991US5063595 Optical communications network
11/05/1991US5063576 Coding and decoding method for asynchronous data signals and an apparatus therefor
10/1991
10/31/1991WO1991016778A1 System to prevent a scrambler from generating undesired symbols
10/31/1991WO1991016766A1 Clock recovery circuit without jitter peaking
10/30/1991EP0454246A1 Phase-adjusting circuit for signals in a system with double digital links
10/30/1991EP0453876A2 Synchronisation method for SDH-systems and method and circuit for the recognition of various data structures
10/30/1991EP0453557A1 Method and apparatus for clock recovery in digital communication systems
10/29/1991US5062124 Network synchronization system
10/29/1991US5062122 Delay-locked loop circuit in spread spectrum receiver
10/29/1991CA1291539C Quotient phase-shift processor for digital phase-locked-loops
10/27/1991WO1991016759A1 Fractional-division synthesizer for a voice/data communications system
10/24/1991DE4012762A1 Synchronisation system for digital hierarchy network - detects frame sync. words and decoded header codewords to switch to sync. state
10/23/1991EP0453171A2 Method for substantially eliminating hold time violations in implementing high speed logic circuits or the like
10/23/1991EP0453110A2 Synchronisation of digital audio signals
10/23/1991EP0453063A2 Decoding biphase signals by measuring pulse length
10/23/1991EP0452878A1 Multiplexing circuit for clock signals
10/23/1991EP0452317A1 A method of adjusting the phase of a clock generator with respect to a data signal.
10/22/1991US5060241 Synchronizing system for a private digital exchange connected to an isdn
10/22/1991US5060239 Transfer strobe time delay selector and method for performing same
10/22/1991US5059925 Method and apparatus for transparently switching clock sources
10/22/1991CA1291280C Phase-coherent tdma quadrature receiver for multipath fading channels
10/17/1991WO1991015907A2 Bit and frame synchronizing unit for an access node in an optical transmission device
10/16/1991EP0451767A2 Frame synchronization stabilizer
10/15/1991US5058142 Clock extracting circuit in digital-line signal receiver
10/15/1991US5058141 Single circuit for detecting a frame synchronization pattern and generating control signals
10/15/1991US5058140 Self-correcting serial baud/bit alignment
10/15/1991US5058134 Process of synchronizing a receiving modem after a training on data
10/15/1991US5058132 Clock distribution system and technique
10/15/1991US5058106 Flywheel circuit
10/15/1991CA1290853C Correlator for synchronisation detection
10/15/1991CA1290824C Clock circuit synchronization in digital transmission system
10/11/1991WO1991015926A1 Data alignment
10/11/1991WO1991015910A1 Method of synchronising the pseudo-random binary sequence in a descrambler
10/11/1991CA2079475A1 Data alignment
10/10/1991DE4024239C1 Synchronisation of scanning pulse generator - using Walsh transformation o calculate max. of power intensity spectrum of individual unit pulse sequence
10/09/1991EP0450828A2 Method for synchronizing interconnected digital equipment
10/09/1991EP0450817A2 Digital phase detector arrangements
10/09/1991EP0450269A2 Phase locked loop arrangement
10/09/1991EP0450148A2 Decoding circuit for inhibiting error propagation
10/08/1991US5056121 Circuit for obtaining accurate timing information from received signal
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