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File format conversion method, and file system, information processing system, electronic commerce system using the method

  • US 20010002470A1
  • Filed: 01/09/2001
  • Published: 05/31/2001
  • Est. Priority Date: 10/27/1997
  • Status: Active Grant
First Claim
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1. A file format conversion method of converting a first file having a predetermined format into a second file having a format different from the predetermined format, by using a conversion program, the method comprising the steps of:

  • (1) designating one of second files by using an application of a user;

    (2) determining a correspondence between the first file and the conversion program for converting the first file into the designated second file; and

    (3) converting the predetermined format of the first file into a format of at least one desired second file by using the conversion program.

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