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RE39454 Transfer of messages in a multiplexed system  
A method and apparatus for transmitting variable length messages on a network in fixed length slots including the provision of a source identifier field in the header of each slot, the source...
6545586 Method and apparatus for establishing and using hierarchy among remotely controllable theatre devices  
A theatre system operating in compliance with the DMX512 protocol is also able to support remote channel assignment of the various theatre devices included therein as well as other auxiliary...
6411986 Internet client-server multiplexer  
An apparatus, method and computer program product for network client-server multiplexing. The apparatus is implemented within an interface unit connecting a plurality of servers to the Internet,...
6265975 Proximity system for baggage  
A communication system is provided which can be realized in a number of ways to facilitate baggage tracking and recovery. In the most rudimentary realization, the traveler receives a signal from...
6188666 Restoration method for multiplexed circuits  
Restoration of a multiplexed circuit in a network (10) is effected in accordance with the probability of failure of that circuit determined in accordance with: (1) how many constituent circuits in...
6097932 Radio selective calling receiver having multiarea function and a reception restoring method  
A radio selective calling receiver having a multiarea function includes a reception channel reception enable/disable information storage means. In a normal operation, only a specific frame is...
6047164 Method for controlling the signals of an ERMES pager  
A RF-signal controlling method applied for controlling the operation of a pager in an ERMES system is disclosed. By such a method, the pagers can establish a synchronization link with the base...
6037877 Channel number organizer  
A channel organizer enables the user of a television remote control (10) using the channel up and channel down functions to define a scrolling loop of selected channels as a subset of the available...
5982296 Data switching processing method and apparatus  
A plurality of modules, each connected to communication lines, are interconnected by a logically separated interprocessor communication bus for transferring header information and control...
5955962 Radio selective calling receiver  
In a radio selective calling receiver, a controller automatically writes time information and message information included in a received paging signal in a storage thereof if a particular code is...
5912628 Signal link selection method in exchange system  
A signal link selection method between exchange systems having a plurality of signal links of a destination exchange comprises the steps of obtaining a total number of signal links and a total link...
5898692 Scalable bandwidth digital data switch  
A scalable bandwidth switch is formed from a smart data crossbar and a plurality of simple data crossbars in parallel. A data block that is inputted into the switch contains a header portion and a...
5757276 Communication port control system  
A communication port control system which controls the use of communication ports for making a communication between a main station and a plurality of sub stations, and includes a processing unit...
5737690 Method and apparatus for orienting a pluridirectional wireless interface  
A selective call receiver (126) automatically orients a pluridirectional wireless infrared communication interface (220) to allow directional wireless infrared communication between the...
5734651 Transaction message routing in digital communication networks  
Packet messages transmitted on a packet communications network include origin and destination addresses in the form of stacked address elements which can be pushed or popped off of the stack. A...
5729204 Intelligent cable for controlling data flow  
A cable that allows a host device to selectively access and communicate with an associated peripheral device by establishing a data communication pathway therebetween. The host device is typically...
5710546 Apparatus for encoding and decoding a digital radio signal  
A radio communication system (100) includes a system controller (102) for encoding data information to generate data messages which have periodic error protection at one or more burst error...
5686898 Paging network identification information distributed in address field  
A method by which a data communication receiver may recognize a specific channel comprises the steps of receiving (1605) a data stream on a first channel for a first amount of time to determine...
5680116 Static routing system  
A desired static route is read from a static routing table and a polling is effected on a network connected to a terminal at regular intervals. If a normal response is issued from the network, then...
5673031 Redundant radio frequency network having a roaming terminal communication protocol  
A redundant network and communication protocol is disclosed having host computers, RF base stations and roaming terminals. In one embodiment, this network utilizes a polling communication protocol...
5663716 Method of avoiding signal interference among a plurality of remote control signals  
A transmitting and receiving system includes two or more remote controls and a single receiver, which a machine or apparatus to be controlled is equipped with. Each remote control has a proper...
5652751 Architecture for mobile radio networks with dynamically changing topology using virtual subnets  
An architecture for a radio network having nodes that are subject to dynamically changing topology such as, e.g., a mobile radio network. The network is partitioned into a number of physical...
5614811 Power line control system  
The present invention provides a system and a method for controlling electrical devices connected to an AC power line by means of control signals transmitted over the AC power line. The control...
5610911 Method and device for channel selection  
The present invention provides a method and device for channel selection for setting at least one channel among N channels as a reference channel, detecting temporal location of the reference...
5604868 Communication system using establishing network route  
A communication system using a network route establishing technique for a network having a plurality of nodes connected through links, in which a route search message is delivered simultaneously in...
5604729 ATM communication system having a physical loop form with logical start point and end point  
An ATM communication system including a plurality of communication nodes connected in a loop form by buses, buffers disposed in each communication node, a synchronizing pulse generation circuit for...
5600310 Serial bus control for appliances  
A household appliance having a serial bus control system includes a system controller, a plurality of slave nodes, and a serial bus connector. Each slave node is a sensor, an actuator, or the like,...
5574440 RF switching with remote controllers dedicated to other devices  
Apparatus and method for switching between two input sources to a television receiver and/or video recording device. Switching may be carried out with a conventional remote control otherwise...
5566347 Multiple interface driver circuit for a peripheral storage device  
A multiple interface driver circuit for transmitting data in a channel according to one of several different signal protocols. In the exemplary embodiment, two separate bus driver circuits are...
5553241 Connection-oriented communication system with communication path re-establishment mechanism  
A connection-oriented communication system capable of realizing the communication path re-establishment automatically, without requiring the programming of the procedures for the re-establishment...
5541589 Power meter data acquisition and control system  
Each of a plurality of utility clients has a meter at the client location. A reader, such as an infrared emitter and optical photosensor arrangement, obtains consumption information from the meter...
5530897 System for dynamic association of a variable number of device addresses with input/output devices to allow increased concurrent requests for access to the input/output devices  
Disclosed is a data processing system for presenting concurrent requests for access to peripheral devices up to the number of subchannels available for handling input/output operations. A computer...
5499377 Multi-computer access switching system  
A switching system is provided to enable selective access from a work center W to any of a plurality of computers PC1-PC16. Connections are provided from .the work center W including a video...
5491472 RF switching with remote controllers dedicated to other devices  
Apparatus and method for switching between two input sources to a television receiver and/or video recording device. Switching may be carried out with a conventional remote control otherwise...
5452329 Modem device  
A modem device enabling a single communication line to be shared by a plurality of terminal units, and needing no switching operation between the terminal units on transmission. In transmission,...
5448572 Spare signal line switching method and apparatus  
An apparatus and method for increasing the mean time between failure for computer systems is disclosed. A single spare line can be used to replace any of several signal lines. Using 2:1...
5442339 Method and system of changing destination of protocol data unit in hierarchical data communication network systems  
A relay station is interposed between the end systems and is equipped with a large capacity memory in which a PDU is stored for a given time period in the event that the PDU includes an indication...
5408228 Apparatus for expanding the functionality of a serial data bus  
An electronic milbus repeater circuit for expanding the capacity of a two-wire bus used for the transmission of data. By means of logic circuitry of the Milbus repeater according to the invention,...
5398317 Synchronous message routing using a retransmitted clock signal in a multiprocessor computer system  
A parallel processing computer system having an improved architecture for communication of information between nodes. The computer system of the present invention comprises at least three nodes;...
5379404 Plug code for automatically recognizing and configuring both non-microprocessor and microprocessor based radio frequency communication devices  
An electronic code plug programming apparatus and operating method that automatically recognizes and configures a radio frequency communication device without reference to a prestored signal in the...
5361060 Data transmission apparatus and method of operating the same  
A data transmission path includes a transfer control circuit and a data hold circuit. The transfer control circuit outputs a transmission signal for transferring the data held by the data hold...
5347545 Multi-terminal communication equipment for smoothly and correctly communicating data between a plurality of terminal equipments  
A multiple-terminal communication equipment comprises a data communication unit, an information processing unit, and a data input/output unit, for realizing radio communication between at least two...
5296848 Method and apparatus for triggering an automatic transmission  
A multi-channel automatic transmission system, which is used with a number of regional transmitters, replaces functions previously performed in a network studio by a number of single channel...
5295134 In-service activator for a broadband exchanger  
An in-service activator for a broadband exchanger has a dual system structure, in which a first system and a second system form a dual pair. The first system and the second system in the dual pair...
5223825 Communication control system and communication control apparatus  
A communication control system or a communication control apparatus executes communication control among A/V (audio/visual) equipment or due to mutual connection with various information equipment....
5212475 Method for generating an alarm inhibit signal  
A method for generating an alarm inhibit signal. A modified AIS-Signal in the form of long strings of ones signal with the addition of an identification character is provided. This identification...
5199030 Digital signal transmission device  
A digital signal transmission device for reproducing plural channel informational data from a digital signal formed of plural channels of informational data accompanied by channel identification...
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...
5182550 Inter-network connection system  
An inter-network connection system wherein a local signaling network including gateway offices of at least two signaling networks to be interconnected is configured between the signaling networks...
5153364 Operated position detecting apparatus and electronic musical instruments provided therewith  
A detecting device for detecting the positions where strings are operated, and an electronic musical instrument using the detecting device, such as an electronic stringed instrument or an...
Matches 1 - 50 out of 154 1 2 3 4 >