Abstract: A communication system includes a digital network and an audio network such as a telephone system. An audio network server communicates with client work stations in the digital network and with the telephones in the telephone system. The audio network server stores, and plays back, digital representations of voice objects from, and to, a telephone handset. An instruction set accessible from the digital network controls operation of the audio network server and thus the telephone system to record and play back audio information stored on the audio server. The communication system may also include a caching capability to temporarily store compound documents or component objects in a media presentation server.

Abstract: A communication system includes a digital network and an audio network such as a telephone system. The digital network includes a digital network server that communicates with client work stations in the digital network, and the telephone system includes a telephone system server that communicates with the telephones in the telephone system. Either the digital network or the telephone network server includes a memory that stores digital representations of voice objects received from the telephone handset. The digital network server includes a digital network server instruction set that operates the telephone system server to associate stored audio information received over the audio network with digital information of the digital network.

Abstract: A current sensing relay assembly is disclosed wherein current sensing devices are integrated with relay outputs on a single printed circuit assembly. By integrating the output and sensor, all additional external equipment and wiring are eliminated. The current sensors achieve a maximum current to minimum current sensing ratio exceeding 100 by sensing current flow magnetically using Hall-effect devices and appropriate amplifier circuitry. Multiple channels of current sensing are achieved without requiring individual sensitivity adjustments by utilizing common threshold references for all channels. The electronic portion of the sensor achieves immunity from power line noise and a stable sensing threshold by a combination of circuit design and layout. In the illustrated embodiment, the magnetic portion of the sensor is contained entirely in a single module that incorporates the sensing coil, magnetic circuit, Hall-effect sensor, and magnetic shield.