Ontash & Ermac, Inc.

Theodore Albert Buswell

Frank Curatola

Aruchunan Vaseekaran

A secure analog gateway is configured with a pipelined architecture for interfacing various types of analog devices with a digital communication network and enabling asynchronous bi-directional communication between the analog device and the digital communication network using, for example, standard transmission control protocol over internet protocol (TCP/IP) in a network mode of operation. The analog gateway is also capable of operation in a stand-alone mode of operation in which data from an analog device is stored locally for later retrieval by way of a network. The functionality of the analog gateway is segregated among multiple processing elements which each perform a specific part of the gateway's function. In accordance with an important aspect of the invention, the analog gateway utilizes relatively inexpensive digital signal processors (DSP) to perform gateway functions, thus eliminating the need for relatively more expensive microprocessors and increased memory storage for storing Microsoft Windows or Unix operating systems and web-browsers as in known systems. In one embodiment of the invention, the analog gateway is configured to provide secure communications using standard TCP/IP over the world-wide web.

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Winter Harbor, ME, United States of America

Theodore Albert Buswell