Communications: electrical – Continuously variable indicating – With meter reading
Patent
1994-04-18
1995-06-06
Yusko, Donald J.
Communications: electrical
Continuously variable indicating
With meter reading
34082522, 455 63, 370112, H04Q 100
Patent
active
054226317
ABSTRACT:
A switching network including a plurality of nodes, one node connected to a product of different electronic product groups on display. Each node includes a satellite node microprocessor and a cooperating product selector switch for selectively actuating said cooperating connected electronic product. An indicator lamp is also provided at each node. Illumination of the lamp indicates an operating condition of the electronic product connected to the node. Further, each node includes an address memory to identify the node and the connected electronic product. The satellite node microprocessors of each node are operatively connected by a bus to a central control unit. The central control unit includes a host microprocessor for supervising all network functions and product selectors for actuating selected electronic products connected to the nodes. In accordance with the present method of interconnecting selected electronic products to establish a product system, is the assigning of an unique address number to each node and, hence, each connected electronic product. The method also includes the polling of the nodes to solicit service request messages from the nodes and the sending of product control commands to the nodes from the central control unit. Then comes the step of interconnecting those electronic products selected by service request messages and product control commands.
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Audio Authority Corporation
Yusko Donald J.
Zimmerman Brian
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