×

Programmable paging encoder

  • US 4,471,352 A
  • Filed: 04/01/1981
  • Issued: 09/11/1984
  • Est. Priority Date: 04/01/1981
  • Status: Expired due to Fees
First Claim
Patent Images

1. A paging encoder for the transmitter means of a telephone paging system of the type incorporating means for transmitting coded data to portable receiver/decoder units, comprising:

  • a microcomputer programmed to contain a look-up table including tone and space data for plurality of paging formats and routines for converting input data to a tone and space code for a selected one of said paging formats;

    input means for providing input data to said microcomputer;

    selection means for altering the function of said microcomputer to cause it to provide output tone and space codes in a selected one of said paging formats; and

    output means for coupling tone and space codes produced by said microcomputer as encoded data to said transmitter means.

View all claims
  • 1 Assignment
Timeline View
Assignment View
    ×
    ×