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Data exchange apparatus and methods

  • US 5,021,995 A
  • Filed: 12/17/1985
  • Issued: 06/04/1991
  • Est. Priority Date: 12/17/1985
  • Status: Expired due to Term
First Claim
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1. A digital computer system including a data display apparatus and having access to files for storing items of data, the files belonging to a plurality of file types wherein the file types include a stream file type, a record file type, said digital computer system comprising:

  • a data viewing apparatus for viewing one or more of the items of data in a file having any one of the plurality of file types, the data viewing apparatus comprising;

    (1) generic form production means for reading a logical record containing an item of data from a file and using the contents of the logical record to produce a generic form of the logical record which is non-specific to any of the file types and which represents the contents of the logical record as an arrangement of codes representing displayable characters and(2) display production means for receiving the generic form of the logical record and producing a display thereof on the data display apparatus; and

    a destination file production means for receiving the generic form of the logical record to produce a destination file logical record from contents of the generic form, said destination file logical record having a format proper for the file type of a destination file.

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