1
Kees Schouhamer Immink
Kornelis A Schouhamer Immink, Josephus A H M Kahlman: Apparatus for the regeneration of channel-clock information in synchronous data transmission and data-recovery circuit arrangement comprising such apparatus. U S Philips Corporation, Thomas A Briody, Jack E Haken, Anne E Barschall, February 21, 1989: US04807257 (7 worldwide citation)

A sampled synchronous transmission signal Vt is represented by a series of samples J at equidistant sampling instants. A computing circuit 5 computes the positions R of the sampling instants relative to the rising edges of a virtual reference clock Cref which is phase-locked to the channel clock. Fo ...


2
Kees Schouhamer Immink
Milton de Andrade Ribeiro Filho, Kornelis A Schouhamer Immink: Apparatus for decoding a channel signal into an information signal and reproducing arrangement provided with the apparatus. U S Philips Corporation, March 14, 2000: US06038274 (4 worldwide citation)

An apparatus for decoding a channel signal into an information signal is disclosed. The channel signal comprises subsequent blocks of information, a block of information comprising a sync word and a plurality of channel words. The information signal includes subsequent information words. The apparat ...


3
Timothy M Schmidl, Donald C Cox: Timing and frequency synchronization of OFDM signals. Stanford University, Lumen Intellectual Property Services, March 24, 1998: US05732113 (358 worldwide citation)

A method and apparatus achieves rapid timing synchronization, carrier frequency synchronization, and sampling rate synchronization of a receiver to an orthogonal frequency division multiplexed (OFDM) signal. The method uses two OFDM training symbols to obtain full synchronization in less than two da ...


4
James A Gasbarro, Mark A Horowitz, Richard M Barth, Winston K M Lee, Wingyu Leung, Paul M Farmwald: Method and circuitry for minimizing clock-data skew in a bus system. Rambus, Blakely Sokoloff Taylor & Zafman, July 11, 1995: US05432823 (327 worldwide citation)

A bus system is described that minimizes clock-data skew. The bus system includes a data bus, a clockline and synchronization circuitry. The clockline has two clockline segments. Each clockline segment extends the entire length of the data bus and is joined to the other clockline segment by a turnar ...


5
Dennis F Johnson, Michael Wiebe, Erwin Holowick, Nathan R Jacob, Michael F Murphy, James J Schellenberg, Michael S Stasenski: Radio communication network for remote data generating stations. Iris Systems, David Newman & Associates P C, September 3, 1996: US05553094 (269 worldwide citation)

A wide area communications network communicating data from a plurality of network service modules through a plurality of remote cell nodes and intermediate data terminals to a central data terminal. The wide area communications network collects network data generated by a plurality of physical devic ...


6
Kevin S Donnelly, Pak Shing Chau, Mark A Horowitz, Thomas H Lee, Mark G Johnson, Benedict C Lau, Leung Yu, Bruno W Garlepp, Yiu Fai Chan, Jun Kim, Chanh Vi Tran, Donald C Stark: Delay-locked loop circuitry for clock delay adjustment. Rambus, Pennie & Edmonds, September 26, 2000: US06125157 (201 worldwide citation)

Delay-locked loop circuitry for generating a predetermined phase relationship between a pair of clocks. A first delay-locked loop includes a set of delay-producing elements arranged in a chain, the chain receiving an input clock and generating, from each delay element, a set of phase vectors, each s ...


7
John M Cioffi: Discrete multi-tone data transmission system using an overhead bus for synchronizing multiple remote units. Amati Communications, Hickman Beyer & Weaver, April 29, 1997: US05625651 (199 worldwide citation)

A bi-directional data transmission system that facilitates communications between a central unit and a plurality of remote units using a frame based discrete multi-tone (DMT) transmission scheme is disclosed. The discrete multi-tone data transmission system has a multiplicity of discrete subchannels ...


8
Masahiko Saito, Gul A Agha: Apparatus and method for synchronizing execution of programs in a distributed real-time computing system. Hitachi, Antonelli Terry Stout & Kraus, March 23, 1999: US05887143 (172 worldwide citation)

A distributed computing system including a plurality of computers, wherein the execution of programs by the computers to perform real-time tasks are synchronized with each other. Each of the computers includes a local clock which is synchronized with the local clocks of the other computers and a sta ...


9
Jean Marc Berthaud: Clock synchronization system and method using a continuous conversion function for a communication network. Cisco Technology, Cesari and McKenna, December 5, 2000: US06157957 (167 worldwide citation)

A clock synchronization system and method in a communication network comprise a plurality of nodes in communication with each other by data transfer over communication links. Each of the nodes has its own local time base and exchanges timing information with a predefined node called master whose tim ...


10
Klaus Heberle: Master-slave data transmission system employing a flexible single-wire bus. Deutsche ITT, Thomas L Peterson, August 17, 1993: US05237322 (162 worldwide citation)

A master-slave data transmission system employs a flexible single-wire bus and where any master unit can send data to or read data from any slave at a single time. Data transfer is accomplished by means of a flexible message format having a variable-length address section and a variable-length data ...