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Paging system hub switch

  • US 4,866,431 A
  • Filed: 02/22/1988
  • Issued: 09/12/1989
  • Est. Priority Date: 02/22/1988
  • Status: Expired due to Term
First Claim
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1. A hub switch, for use in a paging network having a plurality of switches located in separate geographic locations with the switches including a plurality of hub switches, a plurality of lata switches with each lata switch being under the jurisdiction of a hub switch and a plurality of local switches with each local switch being under the jurisdiction of a lata switch and coupled to a local paging service, comprising:

  • (a) means for receiving packets with each packet containing a variable number of pages and having the hub switch as an area destination with each packet being from a lata switch under the jurisdiction of the hub switch or from another hub switch, and for disassembling the packets into at least one individual page with each disassembled page having an area destination of one of the switches in the network determined by alocal switch originating the page where the page is to be transmitted in the network for broadcast;

    (b) a memory having a plurality of storage areas comprised of a number of outbound lata storage areas which respectively correspond to each lata switch under the jurisdiction of the hub switch and a number of outbound hub storage areas which respectively correspond to each separate communication path between the hub switch and other hub switches;

    (c) means for receiving pages stored in the lata and hub storage areas of the memory, forming each page into a packet with each packet containing a variable number of pages and having one of the switches as an area destination corresponding to the storage area from which each page was received from the memory, and transmitting each packet to a lata switch or hub switch corresponding to the destination of the packet; and

    (d) processing means, coupled to the means for receiving packets and the means for receiving pages stored in the lata and hub storage areas for determining the area destination of each disassembled page, causing the storage of each page in the storage area which corresponds to the determined area destination of the page and causing the outputting of any pages stored in each storage area to the means for receiving pages stored in the lata and hub storage for forming each page into a packet.

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