Did You Know...
...that the Slinky toy was the result of a failed attempt by engineer Richard James to produce an antivibration device for ship instruments? His goal was to develop a spring that would instantaneously counterbalance the wave motion that rocks a ship at sea. Instead, he developed the Slinky.
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| Number | Title | Issue Date |
| 7912095 | Dynamic preamble detection A data packet, comprising a preamble and the preamble comprising a plurality of synchronization bits, is received where the preamble may be of either a first preamble type or a second preamble type. Channel estimation is performed using at least a first portion of t... | 03/22/2011 |
| 7848363 | System and method for receiving call signals in a communication system A system and method for dynamically altering detection criterion value at a receiving device based on the portion of a call signal being received. A receiving device is configured to extract a first call signal portion from the call signal, and compare the first cal... | 12/07/2010 |
| 7804857 | Transceiver and communication method for digital multi-carrier communication The present invention relates to a transceiver and communication method involving a time division multiple transmission method, which performs data transmission among a plurality of transceivers. The transceiver includes a transmitter sending data, a receiver receiv... | 09/28/2010 |
| 7706414 | Method and apparatus for facilitating downstream frequency override in a data-over-cable system A method and apparatus for facilitating downstream frequency override in a data-over-cable system is described. In one example, a data-over-cable system having a plurality of cable modem termination system (CMTS) elements is described. Each of the CMTS elements incl... | 04/27/2010 |
| 7688864 | Dynamic preamble detection A system and method are disclosed for dynamic preamble detection. A subset of the bits comprising the synchronization portion of the preamble are decoded, de-scrambled, and analyzed to determine dynamically which preamble format is being used. The source data values... | 03/30/2010 |
| 7633976 | Method and apparatus for code group identification and frame synchronization by use of Reed-Solomon decoder and reliability measurement for UMTS W-CDMA A method and apparatus having a modified Reed-Solomon decoder is used for finding a specific code group used by a base station and the frame timing synchronization with the base station. The modified Reed-Solomon decoder uses a standard Reed-Solomon decoder and some... | 12/15/2009 |
| 7583706 | Method and apparatus for increasing packet throughput in crossbar The frequency of the internal clock is set at ½ of the frequency of an external clock as well as the width of the internal bus is configured to be twice as wide as the width of an external bus. A write control unit controls a bypass unit and a swap circuit unit and... | 09/01/2009 |
| 7428250 | System and associated method for receiving data telegrams in communication systems having redundant network paths A method for receiving data messages in communications systems having redundant network paths. Received data of a peripheral representation or image is routed to a node along at least two different network paths. This makes it possible to store a consistent peripher... | 09/23/2008 |
| 7428285 | Method for error compensation in an OFDM system with diversity A method provides for an improved compensation Fourier channel characteristics in a wireless communication embodiment. The method identifies one or more information carriers as pseudo pilot tones whose information may be realized to enhance the determination of the ... | 09/23/2008 |
| 7421048 | System and method for multimedia delivery in a wireless environment A multimedia processing system and method thereof are provided. The system and method provide for synchronizing a first clock of a multimedia decoder of a first multimedia processing device to a second clock of a multimedia encoder of a second multimedia processing ... | 09/02/2008 |
| 7408960 | Method and apparatus for data transmission, and method and apparatus for data reception When a packet data is transmitted, a sync pattern comprising ‘q’ words (‘q’=m+n) is added to the data. The ‘q’ words is formed by combining a fixed pattern comprising ‘m’ words (‘m’ is an integer greater than 0) with plural types of variable patt... | 08/05/2008 |
| 7394801 | Cell search method suitable for initial cell search and target cell search A wireless device generates a peak profile for a primary synchronization channel (PSCH), and has a synchronization stage for performing code group identification and scrambling code identification. A first peak from the peak profile is chosen. The first peak has a f... | 07/01/2008 |
| 7386081 | Timing control circuit and method thereof A timing control circuit includes a synchronous detecting portion which detects a synchronous pattern data of a received signal which has been demodulated based on a first control signal and generates a detection result, a first counter portion which generates a fir... | 06/10/2008 |
| 7366531 | Uplink synchronization detecting method of mobile communication system An uplink synchronization detecting method of a mobile communication system is disclosed. A time period in which a quality of a pilot is measured is divided into multiple accumulation sections, a synchronization detection threshold value is set for each section, and... | 04/29/2008 |
| 7336788 | Electronic book secure communication with home subsystem The invention, an electronic book selection and delivery system, is a new way to distribute books and other textual information to bookstores, libraries and consumers. The primary components of the system are a subsystem for placing text in a video signal format and... | 02/26/2008 |
| 7301969 | OFDM transmitting apparatus, receiving apparatus and transmitting system and signal structure of transmission signal for use in the same A transmitting system wherein a transmission signal composed of main data and a TMCC signal having a SYNC pattern indicating the header portion and a bit pattern indicating setting information of the main data is transmitted and received. In the transmitting apparat... | 11/27/2007 |
| 7302268 | System and method for radio transmitter acquisition A method of a receiver determining the timing of a signal transmitted in a time-slotted manner, the signal comprising a sequence of information which is repeated at a known interval and has at least a known minimum length. The method performs correlation operations ... | 11/27/2007 |
| 7295554 | Word Multiplexing of encoded signals into a higher bit rate serial data stream A method of data communication that includes receiving a plurality of 8b/10b encoded data streams. The method also includes multiplexing, on a word by word basis, each of the plurality of data streams and forming a new encoded data stream. The method also includes g... | 11/13/2007 |
| 7292607 | Method and circuit for processing data in communication networks A method and circuitry for detecting a pattern in received data such as the A1A2 boundary in a SONET frame after deserialization. Two consecutive pluralities of bytes of incoming data are stored and compared with the A1 and A2 values (or bit shifted versions of the ... | 11/06/2007 |
| 7248623 | Wireless communications systems and methods for short-code multiple user detection The invention provides methods and apparatus for multiple user detection (MUD) processing that have application, for example, in improving the capacity CDMA and other wireless base stations. One aspect of the invention provides a multiprocessor, multiuser detection ... | 07/24/2007 |
| 7187903 | Method and apparatus for timing correction in communication systems In a wireless communications system, transceivers transmit short bursts to a base station, which determines timing corrections from the time of receipt of the burst and transmits the timing corrections to the respective transceivers. In one aspect, the base station ... | 03/06/2007 |
| 7164706 | Computational methods for use in a short-code spread-spectrum communications system The invention provides methods and apparatus for multiple user detection (MUD) processing that have application, for example, in improving the capacity CDMA and other wireless base stations. One aspect of the invention provides a multiprocessor, multiuser detection ... | 01/16/2007 |
| 7158542 | Dynamic preamble detection A system and method are disclosed for dynamic preamble detection. A subset of the bits comprising the synchronization portion of the preamble are decoded, de-scrambled, and analyzed to determine dynamically which preamble format is being used. The source data values... | 01/02/2007 |
| 7158541 | Signal synchronization method and receiver device for packet communication A receiver device for a packet communication system receives a packet signal appended at its head with a known number (N) of repetition signals. A correlation value of a received signal is outputted from a normalizing correlator and compared with a threshold value i... | 01/02/2007 |
| 7151783 | Frame synchronous pattern processing apparatus and frame synchronous pattern detection apparatus and method for detecting frame synchronous pattern Technology for detecting a frame synchronous pattern that includes a data switch section for performing data rearrangement processing of parallel data having a given frame synchronous pattern; a temporary region detection section for temporarily detecting a candidat... | 12/19/2006 |
| 7106227 | Method and apparatus for synchronizing a multiple-stage multiplexer A method and apparatus for synchronizing multiple-stage multiplexers are disclosed. According to exemplary embodiments of the present invention, multiplexer circuits in the multiple-stage multiplexer are synchronized based upon a frequency response of the output of ... | 09/12/2006 |
| 7103362 | System and method for radio transmitter acquisition A method of a receiver determining the timing of a signal transmitted in a time-slotted manner, the signal comprising a sequence of information which is repeated at a known interval and has at least a known minimum length. The method performs correlation operations ... | 09/05/2006 |
| 7085339 | Data recovery device A data recovery device for precisely recovering a transmission signal even if the signal having phase variations is provided. The device comprises a demodulator for demodulating a transmission signal, a plurality of symbol recovery units, each generating a correspon... | 08/01/2006 |
| RE39216 | Asynchronous processor access to a switch table in a network with isochronous capability A data communication system, such as a local area network, is provided with a capability of transmitting isochronous data. Preferably the system conveys both isochronous data and non-isochronous data by time-multiplexing the data into a recurring frame structure on ... | 08/01/2006 |
| 7072364 | Synchronization and setting system for signals received in radio base station A synchronization protecting and setting system for signals received in a radio base station whereby a protection of synchronized word SW detected in a first synchronized word detecting window AP1 can be maintained in a second synchronized word detecting wind... | 07/04/2006 |
| 7054299 | Method and apparatus of pilot signal synchronization verifier Briefly, in accordance with one embodiment of the invention, a verifier and a method for verifying synchronization of at least one pilot signal pattern of a wireless communication system are disclosed. A method and a module of frequency acquisition are also disclose... | 05/30/2006 |
| 7050391 | Method and apparatus for efficient link redundancy A method that changes the selection of a 2:1 multiplexer that receives a first output signal from a first framer and a second output signal from a second framer. The first output signal is the same as the second output signal. An apparatus having a framer and a 2:1 ... | 05/23/2006 |
| 7046696 | Multiplexing high priority, low bandwidth information on a traditional link protocol A method and system for multiplexing high priority, low bandwidth information into a link carrying message passing information. The information is multiplexed in a way that keeps the two information streams and their associated hardware largely independent, but allo... | 05/16/2006 |
| 7035206 | Automatic isolation in loops A loop network hub port with an automatic bypass feature. The automatic bypass feature causes the hub port to enter a bypass mode upon detection of a specified loop failure initialization sequence from a node port attached to the hub port. The hub port does not prop... | 04/25/2006 |
| 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 |
| 6980617 | Reception data synchronizing apparatus and method, and recording medium with recorded reception data synchronizing program A synchronism pattern detecting timing recorder (20) records a synchronism pattern detecting timing at which a synchronism pattern is detected in reception data, a synchronism decider (12) collates the reception data with reference data to decide wheth... | 12/27/2005 |
| 6973100 | System and method for programming the location of frame synchronization words in a multidimensional digital frame structure A system and method have been provided for programming synchronization features of a multidimensional digital frame structure. Such a frame structure acts as a digital wrapper, and includes overhead, payload, and forward error correction (FEC) sections. Words in the... | 12/06/2005 |
| 6965612 | Methods and apparatus for the hardware implementation of virtual concatenation and link capacity adjustment over SONET/SDH frames Methods and apparatus for the hardware implementation of virtual concatenation and link capacity adjustment over SONET/SDH frames include providing a state machine on chip with a SONET/SDH mapper and providing means whereby a plurality of members of a VCG can share ... | 11/15/2005 |
| 6934304 | T1/E1 framer array A system and method for frame detection and generation. Each incoming clock-data stream is divided into two independent data streams: a clock path which preserves the timing of the individual cock domains and a data path which multiplexes an arbitrary number of data... | 08/23/2005 |
| 6928089 | Pattern synchronous circuit Sort operations of an input signal are performed by providing a first sort part 6 comprising one shift circuit 8 and (l−1) sort circuits 9a to 9c, and a second sort part 7 comprising one delay circuit 10, (m−1) sort circuits 11... | 08/09/2005 |
