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| Number | Title | Issue Date |
| 7426187 | False sync code protection (FSP) decoding by software This invention describes a false sync code protection (FSP) decoding technique by software for removing padding binary numbers from video data signals in electronic devices such as camera-phones. These padding binary numbers (e.g., a byte 101001012) are e... | 09/16/2008 |
| 7334147 | Method and architecture for synchronizing a path generator and/or extractor to a processor An apparatus comprising a first circuit and a second circuit. The first circuit may be configured to synchronize at least one transport overhead byte with a pulse on an external pin. The second circuit may be configured to synchronize the transport overhead byte to ... | 02/19/2008 |
| 7277970 | Network device interface for digitally interfacing data channels to a controller via a network The present invention provides a network device interface and method for digitally connecting a plurality of data channels, such as sensors, actuators, and subsystems, to a controller using a network bus. The network device interface interprets commands and data rec... | 10/02/2007 |
| 7257129 | Memory architecture with multiple serial communications ports A serial communications architecture for communicating between hosts and data store devices. The Storage Link architecture is specially adapted to support communications between multiple hosts and storage devices via a switching network, such as a storage area netwo... | 08/14/2007 |
| 7242734 | Frame boundary discriminator A frame boundary discriminator has a first input for receiving a high speed master clock signal having a multitude of master clock pulses within a frame, and a second input for receiving synchronized input frame pulses subject to jitter. An output frame pulse genera... | 07/10/2007 |
| 7239813 | Bit synchronization circuit and central terminal for PON systems A bit synchronization circuit composed of a multiphase data sampling unit for converting each received burst data sets to multiphase data trains, a phase determination unit for generating a control signal indicating an optimum phase data train, an output data select... | 07/03/2007 |
| 7230956 | Techniques for frame detection and word alignment A system receives input data frames that are configured according to a SONET or an SDH standard. The input data is converted to parallel data. The system provides groups of bits along parallel signal lines. In each group of bits, N contiguous bits in the group form ... | 06/12/2007 |
| 7200143 | Intergrated services digital network private branch exchange capable of choosing synchronization clock source automatically An integrated services digital network private branch exchange, which is capable of automatically choosing a synchronization clock source. The integrated services digital network private branch exchange comprises a plurality of trunk chips, a plurality of subscribe ... | 04/03/2007 |
| 7155627 | Memory system and data transmission method A memory system of a high-speed operation can be realized by reducing an influence of reflection signals etc. caused by branching and impedance mismatching in various wirings between a memory controller and a memory module, and an influence due to transmission delay... | 12/26/2006 |
| 7129867 | Apparatus and method for correcting DC offset of receiver in multiband-hopping communication system A DC offset correction apparatus and method of a receiver in a multiband-hopping communication system is provided. The DC offset correction apparatus of the receiver in the communication system which hops to a plurality of bands, includes a controller for generating... | 10/31/2006 |
| 7085295 | Method and apparatus for searching for pilots over code space in a CDMA communication system Techniques to search for pilots over code space in a CDMA system. In one aspect, the pilot search is performed using a number of substages, and the search windows for each substage are selected such that the relevant code space is searched while reducing search time... | 08/01/2006 |
| 7031329 | Telecommunication network synchronization A method of synchronizing nodes of a telecommunication network in which a master node is coupled to a Primary Reference Clock (PRC) and a plurality of slave nodes are each arranged to synchronize their internal clocks to the PRC using data received on incoming data ... | 04/18/2006 |
| 7031348 | Apparatus and method of splicing digital video streams A splicing system includes a splicer for seamlessly splicing togther digitally encoded data streams. In a preferred embodiment, the splicer preferably parses successive splice buffers of data stream data for a splice-out point and a splice-in point, closing an initi... | 04/18/2006 |
| 7007106 | Protocol and method for multi-chassis configurable time synchronization Systems and methods are disclosed for time synchronization of operations in a control system. Synchronization networks and devices are provided for transferring synchronization information between controllers in a distributed or localized control system, which is em... | 02/28/2006 |
| 6982994 | Synchronization correction circuit The synchronization signal generating section generates a packet synchronization signal PSYNC such that it is synchronized with the cycle of packets received from the master device. The interface control section generates a transfer clock PCMCLK used in transferring... | 01/03/2006 |
| 6972880 | Optical receiving unit having frequency characteristics which are controllable in accordance with a clock signal used to transmit data An apparatus for transmitting and receiving optical signals and which is independent of the optical transmission bit rate. The apparatus includes an optical transmitting unit and an optical receiving unit. The optical transmitting unit receives a clock signal and tr... | 12/06/2005 |
| 6941252 | Striping data frames across parallel fibre channel links A method and system for aggregating a plurality of links to simulate a unitary connection among one or more nodes in a fibre channel system includes means for striping data frames across the links. One or more programmable hardware mechanisms, operatively connectabl... | 09/06/2005 |
| 6937624 | System for manintaining inter-packet gaps in cascade transmission system for packet-based data A unit for receiving and re-transmitting data signals comprising multi-byte packets separated by multi-byte inter-packet gaps includes a FIFO store, a first, write, state machine for controlling the writing of packets into the FIFO and a second, read, state machine ... | 08/30/2005 |
| 6888790 | Frame synchronization technique for OFDM based modulation scheme The present invention relates to the field of communications. The method includes generating a sequence of symbols, the sequence of symbols including preamble symbols and a data symbol. The method further includes receiving the sequence of symbols generated by the t... | 05/03/2005 |
| 6763039 | Method and arrangement for locating a synchronization sequence in a serial bit stream A method for locating a synchronization sequence S having a length s in a serial bit stream, and an arrangement for the implementation of such a method make use of the fact that the synchronization sequence S is composed of a plurality of individual words A, B, C ha... | 07/13/2004 |
| 6748442 | Method and apparatus for using a control signal on a packet based communication link A computer system has a communication link that includes a control signal and data lines. A first control packet having a-plurality of bytes is transferred over the data lines from a first to a second node on the communication link. The control line is asserted to i... | 06/08/2004 |
| 6738364 | Radio receivers and methods of operation A radio receiver in which the length of time that it takes to synchronize with a burst to be received is used as a measure of the quality of the channel over which the burst is transmitted. ... | 05/18/2004 |
| 6677727 | Method of synchronizing communications means in a battery to communications means in an electronic device, an apparatus, and a battery Method and apparatus for synchronizing communication between a battery and an electronic device are disclosed. Bytes consisting of a number of bits are transmitted between the electronic device and the battery. A predetermined bit sequence is appended to ... | 01/13/2004 |
| 6628697 | Subscriber unit ranging in a point to multipoint system A chirp waveform is employed in establishing timing synchronization between nodes of a data communication network. In one embodiment, the chirp waveform is combined with a waveform modulated with data to form a synchronization waveform. The receiver of th... | 09/30/2003 |
| 6574244 | Determining time stamps in a data acquisition system Streams of data packets and timing pulses are received from a source. Time stamping of the data packets is carried out largely independent of individual timing pulses. A normalised pulse time of arrival is calculated, preferably as a running average over ... | 06/03/2003 |
| 6553061 | Method and apparatus for detecting a waveform A device for detecting a predetermined waveform in a received signal and synchronizing the detected waveform to the predetermined waveform is disclosed. The device includes a memory element for storing a reference set of encoded values. The reference set ... | 04/22/2003 |
| 6502197 | Method and architecture for synchronizing a transport and path overhead generator and/or extractor to an path overhead transport and path processor An apparatus comprising a first circuit and a second circuit. The first circuit may be configured to synchronize at least one transport overhead byte with a pulse on an external pin. The second circuit may be configured to synchronize the transport overhe... | 12/31/2002 |
| 6418158 | Synchronization in mobile satellite systems using dual-chirp waveform A waveform to be transmitted as a burst within a channel that is used for the synchronization of unsynchronized wireless communications terminals in a wireless communications system, and a method of synchronization involving the waveform, that consists of... | 07/09/2002 |
| 6411649 | Adaptive channel tracking using pilot sequences Methods and systems are provided which utilize pilots in an information sequence to periodically retrain a channel estimator. Thus, a channel tracker may be synchronized using a synchronization sequence and then periodically retrained using known pilot sy... | 06/25/2002 |
| 6259709 | Training preamble added to CT2 muxes in a CT2 wireless telecommunications system Described herein is a system and method of disabling D bits in a CT2 MUX signaling channel. When the bit count equals the bit location of where the D bits are typically located in the signaling channel of a CT2 MUX, circuitry of the present invention disa... | 07/10/2001 |
| 6246735 | Synchronization detection method for data transmission apparatus and data transmission apparatus using the same A data transmission apparatus using a digital modulation system wherein a transmitting side inserts a group of predetermined synchronization symbols into a transmission signal at predetermined intervals to be transmitted. A receiving side calculates an el... | 06/12/2001 |
| 6195343 | Spectrum spread communication system In base station side equipment, a control channel for transmitting control information and a communication channel for transmitting information to each mobile station are spread with different synchronizing codes before being superposed by operating a swi... | 02/27/2001 |
| 6163550 | State dependent synchronization circuit which synchronizes leading and trailing edges of asynchronous input pulses A state dependent synchronization circuit synchronizes an asynchronous input signal to a clock signal to generate a synchronous output signal. The circuit synchronizes both the leading edge and the trailing edge of the input signal and also maintains the ... | 12/19/2000 |
| 6137847 | Demodulating digital video broadcast signals A demodulator suitable for implementation in a single chip for demodulating digital video broadcast signals including data modulated on a multiplicity of spaced carrier frequencies, wherein an input broadcast signal is converted to a frequency sufficientl... | 10/24/2000 |
| 6028853 | Method and arrangement for radio communication The present invention relates to a method and arrangement in an ad-hoc network for synchronizing a multiple of radio transceiver arrangements with different characteristics that make use of a common air interface. Each transceiver arrangement comprises at... | 02/22/2000 |
| 6011821 | Process for synchronization of matching circuits of a communication system with several modules The process of synchronizing matching circuits of a communication system having modules connected with each other by serial data lines includes providing a transmitter and a receiver in each module as an interface between the serial data lines and a match... | 01/04/2000 |
| 5987077 | Method of synchronizing a digital signal receiver A method and an arrangement for synchronizing a receiver for digital signals are described. The synchronizing information is derived from the center of distribution of the squared channel impulse response, which center of distribution is calculated direct... | 11/16/1999 |
| 5969631 | Method and control system for the synchronized transmission of digital data In a method and system for transmitting digital data, a data acceptance clock signal generator that has a controllable clock frequency in a peripheral module is correspondingly adapted to clock frequency information derived from a synchronization pulse tr... | 10/19/1999 |
| 5844942 | Pulse position modulation communications protocol A method for modulating a radio signal has the steps of: predetermining a first time interval so as to define a data word; generating a synchronization pulse, the synchronization pulse initiating a single data word having a length of the predetermined fir... | 12/01/1998 |
| 5831752 | Optical packet processing A multi-bit packet carried on an optical network includes a marker pulse. A bit-rate clock for use in a bit-level operation on the packet is generated by replicating the marker pulse. The bit-level operation may comprise retiming, regeneration or demultip... | 11/03/1998 |
