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7023817 Method and apparatus for source device synchronization in a communication system  
A communications method including the steps of: activating a plurality of signal sources, and transmitting a synchronization event to the plurality of signal sources to cause the plurality of...
7013361 Routing switcher with variable input/output architecture  
Conventional routing switchers have employed a fixed architecture, i.e. the input and output connectors of the switching matrix are fixed in function. Prior art routing switchers use fixed matrix...
7002981 Method and arbitration unit for digital switch  
In a data switching system, the ingress and egress ports of a memoryless cross-bar switch are controlled by an arbitration method. The arbitration method uses a three phase process involving (i) a...
6998958 Remote control system for a vehicle  
A remote control system for precisely identifying a distance from the vehicle to an entry key and favorably controlling a vehicle-mounted device such as a door corresponding to the distance. The...
6995656 Switching device comprising local decoding means  
The invention relates to a switching device comprising a plurality of inputs and outputs which are interconnected by a matrix of interconnection points for transmitting electric signals supplied...
6982974 Method and apparatus for a rearrangeably non-blocking switching matrix  
A switching apparatus is disclosed that employs a relatively simple and inexpensive switching matrix, but which avoids interruption of existing connections when connections are added or removed....
6965299 High-speed, low-power crossbar switch  
In a crosspoint switch, both input buses and output buses are driven at low swing. Self-timed, differential, push-pull, low swing driver circuits drive the input buses and are provided in the...
6842104 SYSTEM LSI AND A CROSS-BUS SWITCH APPARATUS ACHIEVED IN A PLURALITY OF CIRCUITS IN WHICH TWO OR MORE PAIRS OF A SOURCE APPARATUS AND A DESTINATION APPARATUS ARE CONNECTED SIMULTANEOUSLY AND BUSES ARE WIRED WITHOUT CONCENTRATION  
A cross-bus switch apparatus which establishes simultaneously two or more pairs of connections between (i) a source bus arbitrarily selected from a plurality of source buses connected to one or...
6816129 Multiple display device for use with existing personal computer systems  
A method and apparatus for adapting a single computer to drive at least two displays is disclosed. In one embodiment, an apparatus for adapting a single computer to drive at least two displays is...
6816057 Segmented crosspoint switch array  
A switch for routing input signals from any of N input terminals to one or more of M output terminals includes a high-speed N×M crosspoint switch array providing the necessary signal paths. Each...
6653929 Method of determining network paths in a three stage switching matrix  
In a three stage non-blocking switching matrix ( 10 ), there are originating stages ( 12 ), center stages ( 14 ), and terminating stages ( 16 ). In order to establish matrix connections for either...
6646984 Network topology with asymmetric fabrics  
Enhanced performance is realized in a multi-fabric/multi switch group interconnect network by providing asymmetric fabric topologies wherein at least one link between a user-port and a switch-port...
6639523 Resistive keyboard with status keys  
An arrangement of a plurality of status keys in a keyboard for entering information in an electronic device. The keyboard comprises a plurality of regular keys connected to a resistive strip at a...
6525650 Electronic switching matrix  
A high density electronic switching matrix (ESM) includes several splitting modules ( 200 ) arranged along a first axis, each including a signal input ( 202 ) and several splitter outputs ( 204 )....
6449274 Apparatus for high speed communication system  
Methods and devices useful in high-speed scalable switching systems include a memoryless switch fabric, per virtual channel queuing, digital phase aligners, randomized and complement connection...
6445705 Method for a high speed communication system  
Methods and devices useful in high-speed scalable switching systems include a memoryless switch fabric, per virtual channel queuing, digital phase aligners, randomized and complement connection...
6392544 Method and apparatus for selectively activating radio frequency identification tags that are in close proximity  
A radio frequency identification exciter ( 200 ) includes a plurality of antenna elements ( 122 a-i ) that are spaced to define active areas ( 130 a-e ). A matrix switch ( 202 ) flexibly connects...
6388557 Telecommunication system for remotely controlling electronic devices  
An electronic signal communication system for processing remote signals to be conveyed from a subscribed transmitting client to a subscribed receiving client. Several transmitters, each having...
6297731 Vehicle remote control system having keyless entry and piggyback control features and associated methods  
A vehicle control system includes a data communications bus, a remote keyless entry (RKE) system, and a piggyback controller at the vehicle for performing a desired function based upon...
6295282 Calibrated low loss radio frequency switch matrix  
A system for switching radio frequency signals from an input side (5, FIG. 1 ) to an output side (6) can be used to combine multiple input signals to form a single output and to distribute a single...
6285677 Switching matrix for a communications network  
In a switching center having input and output lines, a switching matrix includes primary switching elements, bus structures for respectively connecting one subset of input lines to the primary...
6208636 Apparatus and method for processing signals selected from multiple data streams  
A multiple data stream processing arrangement includes a receiver/signal processor (14) and a plurality of signal input paths (11, 12) which meet at a junction (36). A junction output from the...
6198873 Editing system and video signal output system  
An editing system and a video signal output system are disclosed. The inventive system comprises a server for reproducing video signals for a plurality of scenes from disk drives and for...
5940008 Communications switching network  
A communications network is provided in which switching nodes configure periodically. There is a plurality of shortest paths having equal propagation delays between two switching nodes between...
5784003 Network switch with broadcast support  
A local area network switch includes input and output ports for receiving and transmitting broadcast and unicast data transmissions from and to corresponding network stations and a crosspoint...
5781124 Electrically configurable connection matrix between lines of at least one input/output port for electrical signals  
An electrically configurable connection matrix provides connection of computing and/or telecommunication systems. The matrix comprises a dielectric support on which first and second networks of N...
5734334 Programmable port for crossbar switch  
An electronic crossbar switch employs a switch array for selectively routing digital and analog signals between its terminals. A separate port for each terminal provides a path for digital and...
5706276 System for restoration of communications networks  
Difficulties with prior disrupted communications restoration systems are overcome by employing for each node of a communications network a restoration processor in which predetermined functions of...
5682147 Method and apparatus for selecting a receive frequency in a communication receiver  
A method and apparatus select a receive frequency of a receiver (400) in a system having coverage areas divided into zones. A primary scan list is stored in the receiver (400) and contains coverage...
5596569 Telecommunications switch with improved redundancy  
A programmable telecommunications switch has automatic backup of line cards to provide complete redundancy. The switch has I/O cards which terminate the external telecommunications spans. Each I/O...
5541586 Visual outlet identification in a cable management system  
A cable management system which provides routing of wired services between service lines (16) and user lines (18). Each service line enters the cable management system at a service termination unit...
5532937 Switching of multiple multimedia data streams  
A method of switching multimedia data streams in response to requests to allocate or deallocate a user on a network receiving those data streams is herein described. The data streams are...
5530434 Matrix switcher apparatus for selectively outputting information signals in response to control signals in the form of various communication protocols  
A matrix switcher apparatus for selectively outputting information signals includes a first matrix switcher unit for selectively outputting an information signal according to control signals in the...
5465087 Broadband switch  
A broadband space switch matrix includes a parallel combination of individual switch modules each comprising a cascade of pass-transistor selectors, NAND gates, and inverters arranged into a...
5459718 Cross connection by using a switch request flag in a digital signal fails before supply to cross connected switch units  
In a cross connecting network wherein a branching device branches a group of digital signals into duplexed groups for supply to two switch matrix devices, each including switch elements in foremost...
5414696 Cell exchanging apparatus  
An ATM cell exchanging apparatus includes an ATM cell switch for a first system #1 and an ATM cell switch for a second system. These cell switches distribute input cells to appropriate output...
5410300 Distributed crossbar switch architecture  
A switching array as described for connecting ones of a plurality of data sources to ones of a plurality of data sinks. The array includes source data busses which transmit from a connected source,...
5396512 Port transceiver for providing communication between a signal transmitting and receiving machine and a space switch  
A switcher has a plurality of input ports and a plurality of output ports. A plurality of port transceivers each have first and second I/O ports, an input port connected to an output port of the...
5359536 Programmable gate array with improved interconnect structure, input/output structure and configurable logic block  
A programmable gate array with an improved interconnect structure facilitates multi-source networks, communication of signals long distances across the array, and creation of networks in a...
5355370 Crosspoint matrix  
A crosspoint matrix with integrated matte generators includes double buffered internal storage registers which may be serially loaded with mode and selection data to enable the crosspoint matrix to...
5319639 Crossbar with return net for scalable self-routing non-blocking message switching and routing system  
A crossbar useful for self-routing messages is described having a return network that can return all messages, or their headers, that encounter a busy node at the output. A system is described in...
5303267 Multipoint data communications system  
Standard multipoint junction units (MJUs) are used in parallel-connected MJU sets for a private multipoint data communications network. The MJU sets provide communications between remote terminals...
5258752 Broad band digital exchange  
A broad band digital exchange is provided which includes a Banyan network or Batcher Banyan network which is used in an ATM machine for selectively connecting digital information. In such networks,...
5245603 High-speed determining unit for prioritizing and arbitrating among competing input signals  
A determining unit in a computer, communication of other system for determining which one of a plurality of requests by competing input signals is to be honored. The determining unit includes a...
5198809 Hard wired programmable controller especially for heating ventilating and air conditioning (HVAC systems)  
Inputs are programmably interfaced and interlocked with output so that the state of the outputs and the operation of equipment connected thereto depends on the hierarchy or priority (control...
5189410 Digital cross connect system  
A digital cross connect system includes reception interface parts for converting an input line signal into a VT signal having a VT frame format in conformance with synchronous optical network...
5153463 Programmable logic device having a reduced switching matrix  
A programmable wiring is provided for connecting wiring elements in a channel region with each other in a programmable manner, the programmable wiring including programmable switches of the number...
5144582 SRAM based cell for programmable logic devices  
A programmable cell for use in programmable logic devices utilizes CMOS SRAM technology. True and complement cells are paired, and generate a signal which can be combined with other such signals to...
5142686 Multiprocessor system having processors and switches with each pair of processors connected through a single switch using Latin square matrix  
A multiprocessor computing system having a plurality of processors 11-23 and a plurality of switches 31-43 is interconnected such that a single one of said switches 31-43 is between any pair of...
5121111 Broadband signal switching network with respective threshold-value holding feedback member  
In a broadband signal switching network with a switching point matrix constructed in FET technology, an input driver circuit is connected for feeding a respective matrix input line, which driver...
Matches 1 - 50 out of 150 1 2 3 >