Method and apparatus for synchronizing information on two different computer systems
DC
First Claim
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1. A method for reconciling a first file on a first computer system with a corresponding second file on a second computer system, said first file and said second file each containing records, said method comprising:
- comparing said first file and said corresponding second file with a backup file containing records from a previous reconciliation of said first file and said corresponding second file to identify new, modified or deleted records;
creating a reconcile file containing information pertaining to said new, modified or deleted records identified in said step of comparing; and
copying contents of said reconcile file to said first file, said corresponding second file and a new backup file.
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Abstract
Many users of handheld computing devices or "palmtops" also own personal computers running applications that manage data similar to the data carried in the palmtops. In such cases, the users are likely to want the data on the palmtop to be synchronized with the data on the personal computer. A method and apparatus reconciles records on a palmtop with corresponding records on a personal computer.
421 Citations
20 Claims
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1. A method for reconciling a first file on a first computer system with a corresponding second file on a second computer system, said first file and said second file each containing records, said method comprising:
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comparing said first file and said corresponding second file with a backup file containing records from a previous reconciliation of said first file and said corresponding second file to identify new, modified or deleted records; creating a reconcile file containing information pertaining to said new, modified or deleted records identified in said step of comparing; and copying contents of said reconcile file to said first file, said corresponding second file and a new backup file. - View Dependent Claims (2, 3, 4, 7, 8, 11, 12, 19)
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5. A method for reconciling a first file, a second file corresponding to said first file, and a backup file, said backup file containing records from a previous reconciliation, said method comprising:
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copying a first record from said first file into a reconcile file when said first record is added to said first file, and said first record is not in said backup file; copying a second record from said first file into said reconcile file when an identical said second record is added to said first file and said corresponding second file, and said second record is not in said backup file; copying a third record in said first file into said reconcile file when said third record is modified in said first file and a corresponding third record is deleted from said second file, and said third record in said first file is not in said backup file; copying a fourth record from said first file into said reconcile file when said fourth record is modified in said first file, and said fourth record is not in said backup file; copying a fifth record from said first file into said reconcile file when said fifth record in said first file is modified and an identical modification is made to a corresponding fifth record in said second file, and said fifth record in said first file and said corresponding fifth record in said second file are not in said backup file; and copying a sixth record from said first file and a corresponding sixth record from said second file into said reconcile file when said sixth record in said first file is modified and a different modification is made to said corresponding sixth record in said second file, and said sixth record in said first file and said corresponding sixth record in said second file are not in said backup file. - View Dependent Claims (6)
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9. An apparatus for reconciling records in corresponding files, said apparatus comprising the elements of:
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a first computer, said first computer comprising a first file containing records; a second computer, said second computer comprising a second file containing records and a backup file containing records from a previous reconciliation between said first computer and said second computer, said second file corresponding to said first file; a communications link for linking said first computer and said second computer; and a reconcile program on said second computer, said reconcile program for comparing said first file and said second file with said backup file to create a reconcile file by identifying new, modified or deleted records. - View Dependent Claims (10)
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13. An article of manufacture comprising a computer usable mass storage medium having computer readable program code means embodied therein for causing a processing means to reconcile a first file and a second file, said second file corresponding to said first file, said first and said second files each containing records, said computer readable program code means in said article of manufacture performing the steps of:
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comparing said first file and said corresponding second file with a backup file containing records from a previous reconciliation of said first file and said corresponding second file to identify new, modified or deleted records; creating a reconcile file containing information pertaining to said new, modified or deleted records identified in said step of comparing; and copying contents of said reconcile file to said first file, said corresponding second file and a new backup file. - View Dependent Claims (14, 15, 16, 17, 18, 20)
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Specification
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Litigation Data
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Current AssigneeAccess Company Limited
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Original Assignee3Com Corporation (HP Inc.)
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InventorsKucala, Gregory R.
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Primary Examiner(s)Black, Thomas G.
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Assistant Examiner(s)HO, RUAY L
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Application NumberUS08/947,216Time in Patent Office391 DaysField of Search707/1-10, 707/100-104, 707/200-206, 395/281, 395/200.01, 701/29, 702/186US Class Current1/1CPC Class CodesG06Q 10/109 Time management, e.g. calen...Y10S 707/99931 Database or file accessingY10S 707/99953 Recoverability
