Patents
Patents for H04L 7 - Arrangements for synchronising receiver with transmitter (36,432)
01/1995
01/24/1995US5384828 Method and apparatus for synchronization in a wireless telephone system
01/24/1995US5384806 Modem with time-invariant echo path
01/24/1995US5384774 Asynchronous transfer mode (ATM) payload synchronizer
01/24/1995US5384773 Multi-media analog/digital/optical switching apparatus
01/24/1995US5384552 Clock recovery circuit for extracting clock information from a received baseband signal
01/18/1995EP0399513B1 Pit pattern detecting method
01/18/1995CN1097534A Method and apparatus for transmission path delay measurements using adaptive demodulation
01/17/1995US5383225 Synchronizer for TDMA acquisition signal having an unknown frequency
01/17/1995US5383188 Receiver having clock phase memory for receiving short preamble time slots
01/17/1995US5383045 Code word recognition unit and use thereof
01/17/1995US5382952 Transponder for proximity identification system
01/17/1995CA2023715C Digital signal quality evaluation circuit using synchronization patterns
01/12/1995WO1995001683A1 Method and apparatus for detecting cyclic code
01/11/1995EP0633706A2 Optical packet synchronization circuit
01/11/1995EP0633670A1 Method for recovery of the frame clock at the reception side of a band-limited communications channel
01/11/1995EP0632947A1 Method and apparatus of adaptive maximum likelihood sequence estimation using filtered correlation synchronization
01/10/1995US5381542 System for switching between a plurality of clock sources upon detection of phase alignment thereof and disabling all other clock sources
01/10/1995US5381181 Clock recovery apparatus as for a compressed video signal
01/08/1995CA2116254A1 Optical packet synchronization circuit
01/05/1995WO1995001021A1 Nrz clock recovery with instant lock
01/04/1995EP0632614A1 ATM cell detector
01/04/1995EP0632606A1 Method and apparatus for establishing an maintaining frame synchronization in a satellite communication system
01/04/1995EP0632552A1 Active mode-locked fiber laser
01/04/1995EP0476091B1 Bit and frame synchronizing unit for an access node in an optical transmission device
01/03/1995US5379325 Clock generating apparatus, data transmitting/receiving apparatus and data transmitting/receiving method
01/03/1995US5379323 DQPSK delay detection circuit
01/03/1995US5379143 Optical regenerative-repeater system
01/03/1995CA2035774C Frame phase estimation method and circuit
12/1994
12/28/1994EP0631396A2 Real-time convolutional decoder with block synchronising function
12/28/1994CN1027214C Hub and interface for isochronous token-ring
12/27/1994US5377233 Seam-less data recovery
12/27/1994US5377232 Frequency synchronized bidirectional radio system
12/27/1994US5377227 Adaptive data recovery for spread spectrum systems
12/27/1994US5377222 Frequency agile radio
12/27/1994US5377209 Telecommunications system data alignment equipment and method
12/27/1994US5376894 In a digital communications system
12/27/1994CA1333725C Optical communications transmitter and receiver
12/26/1994CA2126374A1 Real-time convolutional decoder with block synchronizing function
12/22/1994WO1994030028A1 Multi protocol personal communications system
12/22/1994WO1994029984A1 Process and arrangement for adjusting the local oscillators of a receiver in a multi-channel transmission system
12/22/1994WO1994029978A1 Added bit signalling in a telecommunications system
12/22/1994CA2165424A1 Multiple protocol personal communications network system
12/21/1994EP0630137A1 System for the reception of a phase and amplitude modulated digital signal
12/21/1994EP0630129A2 Method for generating a synchronised clock signal with a circuit for an adjustable oscillator
12/21/1994EP0630120A1 Synchronisation method for radio telephone communications with code division multiplex access
12/21/1994CN2185959Y Quasi-synchronous pulse generator
12/21/1994CN1096620A Phase error canceller for QPSK signals using unique word detectors
12/21/1994CN1096619A Intensity-stereo encoding and decoding in a transmission system
12/21/1994CN1096618A Digital transmission system for transmitting an additional signal such as a surround signal
12/20/1994US5375147 Jitter compensating device
12/18/1994CA2126044A1 Phase and amplitude modulation digital signal receiver system
12/15/1994DE4319216A1 Method for transmitting and/or receiving large volumes of digital data
12/15/1994DE4319066A1 Circuit arrangement for a controllable oscillator
12/14/1994EP0629068A1 4B6B coding scheme
12/14/1994EP0629062A1 Device for rephasing a synchronously transmitted and jittered digital signal
12/14/1994EP0629061A1 Optical receiving system
12/14/1994EP0628229A1 Psk demodulator
12/13/1994US5373537 Method and apparatus for the synchronization of a clock means of a telecommunication switching system
12/13/1994US5373536 Method of synchronizing to a signal
12/13/1994US5373534 Serial data receiving apparatus
12/13/1994US5373507 Device and method for synchronizing and channel estimation in a TDMA radio communication system
12/13/1994US5373254 Method and apparatus for controlling phase of a system clock signal for switching the system clock signal
12/08/1994WO1994028663A1 A frequency agile radio
12/08/1994WO1994028657A1 Digital receiver for variable data rate communications
12/08/1994WO1994028652A1 Process for obtaining a signal indicating a synchronisation error between a pseudo-random signal sequence from a transmitter and a reference pseudo-random signal sequence from a receiver
12/08/1994WO1994027787A1 Grinding tape and method of manufacturing the same
12/08/1994DE4333397C1 Method and arrangement for the transmission of a digital signal
12/08/1994CA2163777A1 Process for obtaining a signal indicating a synchronization error between a pseudo-random signal sequence from a transmitter and a reference pseudo-random signal sequence from a receiver
12/08/1994CA2161626A1 Digital receiver for variable data rate communications
12/07/1994EP0627831A2 Configuration of intersystem channels
12/07/1994EP0627830A1 Digital receiver for variable symbol rate communications
12/07/1994EP0627829A1 Bit clock recovery for CPFSK signals
12/06/1994US5371766 Clock extraction and data regeneration logic for multiple speed data communications systems
12/06/1994US5371764 Method and apparatus for providing an uninterrupted clock signal in a data processing system
12/06/1994US5371737 Selective call receiver for receiving a multiphase multiplexed signal
12/06/1994US5371733 Method and apparatus for centralized determination of virtual transmission delays in networks of counter-synchronized communication devices
12/06/1994CA2053313C Rapid received signal strength indication
12/04/1994WO1994029985A1 A communication method for an adaptive direct sequence cdma communication system
11/1994
11/30/1994EP0626771A2 Method and apparatus for detection of the sampling phase and subsequent sampling of the bits of a data packet
11/29/1994US5369799 Adapted to receive a signal containing sync codes
11/29/1994US5369673 Framed digital signal regenerator suitable for microwave digital transmission installations
11/29/1994US5369672 Interface circuit capable of performing exact data transfer
11/29/1994US5369636 Multiple communication speed converting apparatus
11/29/1994US5369520 Optical regeneration circuit
11/29/1994US5369519 All-optical timing restoration
11/24/1994WO1994027377A1 Standby power saving in mobile phones
11/24/1994CA2139770A1 Standby power saving in mobile phones
11/23/1994EP0625837A2 Automatic false synchronization correction mechanism for biphase-modulated signal reception
11/22/1994US5367545 Asynchronous signal extracting circuit
11/22/1994US5367544 Data stream frame synchronisation
11/22/1994US5367543 Circuit for detecting synchronizing signal in frame synchronization data transmission
11/22/1994US5367542 Digital data recovery using delay time rulers
11/22/1994US5367538 Apparatus and method for direct phase digitizing
11/17/1994EP0624983A2 Synchronization arrangement for a compressed video signal
11/17/1994EP0624982A2 Clock apparatus for a compressed video signal
11/17/1994EP0624296A1 Means to avoid data distorsion in clock-synchronized signal sampling
11/17/1994DE4315806A1 Method for decision feedback clock adjustment
11/15/1994US5365549 Complex signal correlator and method therefor
11/15/1994US5365547 1X asynchronous data sampling clock for plus minus topology applications
11/15/1994US5365228 SYNC-NET- a barrier synchronization apparatus for multi-stage networks