Matches 301 - 350 out of 607 < 1 2 3 4 5 6 7 8 9 10 11 12 13 >
Match Document Document Title
6115391 Method and apparatus for integrating multiple repeaters into a single collision domain  
A system for integrating multiple repeaters into a single collision domain employs both analog and digital circuitry to convey system-wide collision information to repeaters thereby allowing...
6115389 Auto-negotiation for multiple ports using shared logic  
A data communication device having multiple ports is provided with an auto-negotiation system for performing auto-negotiation with multiple link partners connected to the ports. The...
6114968 Hybrid contention/polling access method  
A system, device, and method for improving access in a hybrid contention/polling protocol maintains a list of active users, a list of recently active users, and a list of inactive users. An active...
6108345 Configurable Wan/Lan bridge  
A device for connecting networks includes at least two communication channels, a first and a second medium access controller, a bus, and a configurable switch. Each of the communication channels is...
6108344 Method, means and system for communicating on a shared transmission medium  
The present invention relates notably to a method for sharing a transmission medium between communication apparatuses having an identifier, each adapted on the one hand to transmit messages by...
6108312 Method and apparatus for automatic activation of a clock master on a stackable repeater  
An apparatus for automatically activating a clock master circuit in a stack of Fast Ethernet repeaters includes a first stackable Fast Ethernet repeater is disclosed. The first stackable Fast...
6097705 Buffered repeater with independent ethernet collision domains  
A repeater device for forwarding a data packet from a first Ethernet collision domain to a second Ethernet collision domain has a plurality of ports, each port for connection to an independent...
6094439 Arrangement for transmitting high speed packet data from a media access controller across multiple physical links  
A Gigabit network node having a media access controller outputting packet data at Gigabit rates uses multiple 100 MB/s physical layer links coupled to a physical interface having a data router to...
6092214 Redundant network management system for a stackable fast ethernet repeater  
Provided is a redundant network management system. Several network management modules (NMMs), preferably one for each repeater unit, are provided in a single repeater stack. The NMMs of the...
6088350 Digital radio communication apparatus and method employing frequency hopping for multi-purpose data processing apparatuses  
A digital signal radio communication system employing frequency hopping for multi-purpose data processing apparatuses communicates predetermined information to a multi-purpose data processing...
6087736 Communication system for vehicle  
A communication system for a vehicle, provided with a balanced cable connecting respective nodes and a comparator for obtaining a receive signal by differentially amplifying a signal from the...
6078568 Multiple access communication network with dynamic access control  
Dynamic access control for communicating a data packet over a multiple access communication network with a forward channel and a multiple access reverse channel which maintains utilization even...
6075795 Collision detection system for multiple stations in discrete multi-tone data communications network  
A novel collision detecting method is provided at the physical layer for use in a multi-point DMT communication network having stations transmitting over common media. The method includes...
6072803 Automatic communication protocol detection system and method for network systems  
A communication protocol detection system for enabling a network system to detect and interface one or more network devices each operating according to at least one of a plurality of different...
6067291 Wireless local area network with enhanced carrier sense provision  
A method and system of operating a wireless local area network station adapted to transmit and receive a signal within a communication cell. The method includes the steps of establishing a carrier...
6064876 Mobile communications system and method with message storing function  
A mobile communications system including a voice message function in both a communications network (10) and a mobile station (20). If the mobile station (20) does not respond, the communications...
6061356 Method and apparatus for switching routable frames between disparate media  
A method and apparatus for switching/bridging frames between a heterogeneous media is disclosed. Bridges and/or switches normally bit-swap a MAC header of a frame when switching the frame between...
6055241 Architecture for a dual segment dual speed repeater  
The present invention concerns a method and architecture comprising a first circuit, a second circuit, and a logic circuit coupled to said first and second circuits. The first segment generally...
6052557 Direct mode repeater in a mobile radio system  
A direct mode repeater for forwarding traffic between mobile stations communicating on a direct mode channel, includes a transceiver unit for forwarding radio messages between mobile stations...
6052380 Network adapter utilizing an ethernet protocol and utilizing a digital subscriber line physical layer driver for improved performance  
An improved network adapter and architecture which combines the Ethernet bus access protocol with a digital subscriber line-based physical layer driver to provide improved performance. The use of a...
6049549 Adaptive media control  
A media control approach that supports transmission of data streams with QoS requirements, such as minimum throughput or maximum delay, while adapting to the changing characteristics of the...
6049548 Multi-access CS-P/CD-E system and protocols on satellite channels applicable to a group of mobile users in close proximity  
A multiple access RF communication system in which a plurality of mobile user transceivers communicate with a central hub transceiver through an earth orbiting satellite, and wherein groups of...
6044084 Collision detection for packet-switched multiple-path communication system  
A method and system for detecting collision of transmitted signals in a random-access, multiple-path communication system utilizes a packet coding arrangement where a transmitting transceiver...
6038215 Network system and communication device  
In the present invention, the first communication device accepting the first LAN and the second communication device accepting the second LAN are connected through the ATM network. When data is...
6035333 Method and system for providing congestion control in a data communications network  
A bin packing algorithm is employed to schedule computer network activities, such as pause times required for operation of an Ethernet network which implements existing IEEE 802.3x standards. In...
6034603 Radio tag system and method with improved tag interference avoidance  
A data transmission system includes a reader transceiver and one or more tag transceivers. The reader transmits an activation signal to a tag. The tag selectively transmits a response signal to the...
6026150 Network protocol--based home entertainment network  
An in-home network which includes a telephone line and a plurality of consumer electronic devices coupled to the telephone line. Each of the consumer electronic devices is assigned a unique...
6026075 Flow control mechanism  
Data bandwidth on a congested link of a Carrier Sense Multiple Access with Collision Detection (CSMA/CD) network, is controlled by a Pause MAC Frame which carries information identifying devices...
6023604 Transmission control apparatus and method of earth station for satellite communication  
In a satellite communication system in which a satellite repeater and a transmission channel are shared between a plurality of earth stations for satellite communication, each of the earth stations...
6009104 Apparatus and method for selectively modulating interpacket gap interval following a collision to avoid capture effect  
An arrangement for avoiding the capture effect in a half-duplex shared network modifies an interpacket gap timer following collision mediation to ensure a station having transmitted a consecutive...
6002675 Method and apparatus for controlling transmission of data over a network  
A repeater which introduces a minimum of delay in the transfer of a data packet from a source LAN to a destination LAN has an arbiter which grants access to a bus for a port to broadcast a received...
5995549 Network system using low-speed preamble for linking user nodes using high speed CSMA/CD communication  
An Ethernet-type local area network having multiport repeaters and nodes within a specified distance of the hub is able to communicate high speed digital data over multiple pairs of twisted-pair...
5995488 Method and apparatus for regulating data flow in networks  
Interpacket delay times are modified in full-duplex Ethernet network devices by calculating for each network station a delay interval based on a time to transmit a data packet at the network rate...
5991303 Multi-rate switching physical device for a mixed communication rate ethernet repeater  
A multi-communication rate switching physical device for a port of a mixed communication rate Ethernet repeater network. The present invention includes a physical device for recovering bits from a...
5987033 Wireless lan with enhanced capture provision  
A receiver, and a method for operating the receiver, for a station in a wireless local area network using a common wireless communication channel and employing a CSMA/CA (carrier sense multiple...
5982778 Arrangement for regulating packet flow rate in shared-medium, point-to-point, and switched networks  
Delay times are modified in full-duplex Ethernet network devices by calculating in each network station a delay interval based on a size of a transmitted data packet and a desired transmission...
5978384 Introducing inter-packet gaps in network transmissions  
An InterPacket Gap (IPG) timer software object is given data packets, aka datagrams, from a system for transmission over a network medium. The IPG timer interfaces with a system-supplied timing...
5978383 Repeaters for reducing collisions in an ethernet network  
An IEEE 802.3 CSMA-CD local area network is arranged with point-to-point links between hosts and repeaters. The devices, whether hosts or repeaters, can ignore a portion of an incoming signal...
5978352 Multiplex transmission system  
A multiplex transmission system is made up of a master load control unit which is connected to a multiplex transmission network and is capable of executing a multiplexing operation based on control...
5974034 System and method for synchronized wide and local area communications utilizing a single frequency  
A system and a method provide a communication network using time-division multiplexing and a single frequency to achieve maximum utilization of the spectrum and the available bandwidth. In one...
5966382 Network communications using sine waves  
A system comprising the following elements. An ethernet controller circuit for generating ethernet data signals. An isolation circuit coupled to receive the ethernet data signals and for generating...
5963559 Radio transmission with a slow transmission mode used when retransmission of a data frame fails even repeated  
For radio data (DT) transmission by media access based on a CSMA scheme in a system, such as a radio LAN, wherein a source node retransmits a DT frame if an ACK monitor IFS interval S lapses...
5963539 Method and apparatus for detecting collisions on a network  
A method and apparatus for detecting a collision between signal transmissions on a carrier medium, such as UTP wiring, are described. The method commences with the transmission of an access...
5960034 Expandable repeater with built-in tree structure arbitration logic  
An apparatus and method for shortening propagation delays of a plurality of repeater circuits that are interconnected to form a single repeater. A tree structure that organizes the plurality of...
5940401 Carrier extension for gigabit/second ethernet networks operable up to at least 200 m distances  
Transmission rates of 1 Gb/sec. at up to at least 200 m diameter distances are achieved in an Ethernet environment by functionally decoupling frame size to network roundtrip time. This decoupling...
5940400 Method, device, wireless transceiver and computer for providing collision detection in wireless carrier sense multiple access systems  
A method (600), device, wireless transceiver, computer and personal digital assistant (300, 400) provide collision presence detection in wireless intensity-modulated binary-coded data transceivers...
5940399 Methods of collision control in CSMA local area network  
The present invention discloses method and apparatus to improve bandwidth utilization and fairness in star topology, collision based networks such as CSMA/CD, IEEE 802.3, ETHERNET. In one...
5935218 Method and apparatus for bus network prioritization using the broadcast of delay time to lower priority users from high priority users in a token or loop network  
A method for dynamically allocating the capacity of a computer network. All users of the network are classified as low or high priority users. High priority users may broadcast a delay message to...
5923663 Method and apparatus for automatically detecting media connected to a network port  
A media detection system that detects an external device coupled to a port of a network device and that establishes a working communication link. The media detection system includes a port...
5912895 Information network access apparatus and methods for communicating information packets via telephone lines  
Access to a CSMA/CD (Carrier Sense Multiple Access with Collision Detection) network is provided via a telephone line by providing a master modem at the head end and a slave modem at the subscriber...
Matches 301 - 350 out of 607 < 1 2 3 4 5 6 7 8 9 10 11 12 13 >