1
Brian C Edem, Debra J Worsley: Frame-based transmission of data. National Semiconductor Corporation, Townsend and Townsend Khourie and Crew, November 1, 1994: US05361261 (129 worldwide citation)

A network for transferring packet data in a frame structure, preferably mixed with isochronous data is provided. The frame structure is a continuously repeating structure, with each frame having a number of time slots. Certain ones of the time slots are available for transmitting packet data. The pa ...


2
Debra J Worsley, Michael T Werstlein, Richard W Thaik: Asynchronous processor access to a switch table in a network with isochronous capability. National Semiconductor Corporation, Limbach & Limbach, January 14, 1997: US05594734 (118 worldwide citation)

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 a four-bit nibble basis. Switching ...


3
Brian C Edem, Debra J Worsley: Delay control for frame-based transmission of data. National Semiconductor Corporation, Limbach & Limbach L, September 24, 1996: US05559796 (63 worldwide citation)

A network for transferring packet data in a frame structure, preferably mixed with isochronous data. The frame structure is a continuously repeating structure, with each frame having a number of time slots. Certain ones of the time slots are available for transmitting packet data. The packet data is ...


4
Brian C Edem, Debra J Worsley: Network link endpoint capability detection. National Semiconductor Corporation, Limbach & Limbach L, November 11, 1997: US05687174 (57 worldwide citation)

Support for a mixed network environment is provided which can contain multiple isochronous and/or non-isochronous LAN protocols such as isochronous-ethernet, ethernet, isochronous-token ring, token ring, other isochronous-LAN or other LAN systems. Support for a mixed environment includes a protocol ...


5
Debra J Worsley, Geetha N K Rangan, Brian C Edem, Michael S Evans: Data communication network with management port for isochronous switch. National Semiconductor Corporation, Limbach & Limbach L, August 27, 1996: US05550802 (54 worldwide citation)

The present invention provides for communication of data to and from isochronous data sources and sinks. Preferably, a portion of bandwidth on the link is also dedicated to convey data to and from non-isochronous sources and sinks, as well as to permit conveying housekeeping information (such as inf ...


6
Brian C Edem, Debra J Worsley: Network for transmitting isochronous-source data using a frame structure with variable number of time slots to compensate for timing variance between reference clock and data rate. National Semiconductor Corporation, Limbach & Limbach L, August 6, 1996: US05544324 (51 worldwide citation)

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 a four-bit nibble basis. Bandwidth ...


7
Geetha N K Rangan, Debra J Worsley, Richard Thaik, Brian C Edem: Data communication network with transfer port, cascade port and/or frame synchronizing signal. National Semiconductor Corporation, Limbach & Limbach, October 15, 1996: US05566169 (37 worldwide citation)

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 a four-bit nibble basis. An effici ...


8
Brian C Edem, Debra J Worsley, Michael S Evans: Local loopback of isochronous data in a switching mechanism. National Semiconductor Corporation, Limbach & Limbach, April 9, 1996: US05506846 (36 worldwide citation)

A data communication system such as a local area network or a wide area network capable of transmitting isochronous data. The system conveys both isochronous data and non-isochronous data by time multiplexing data into a recurring frame structure on a 4-bit nibble basis. The arriving data is de-mult ...


9
Brian C Edem, Debra J Worsley, Michael S Evans: Isochronous link protocol. National Semiconductor Corporation, Townsend and Townsend Khourie and Crew, April 11, 1995: US05406559 (33 worldwide citation)

A data transfer delay compensation system for a data communications system having a first transceiver and a second transceiver wherein the first transceiver includes circuitry for transferring an external cycle reference signal and a cycle delay signal to the second transceiver. The second transceiv ...


10
Debra J Worsley, Brian C Edem: Method of maintaining frame synchronization in a communication network. National Semiconductor Corporation, Limbach & Limbach L, September 16, 1997: US05668811 (32 worldwide citation)

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 a four-bit nibble basis. An effici ...