Boots – shoes – and leggings
Patent
1996-05-09
1998-07-28
Weinhardt, Robert A.
Boots, shoes, and leggings
3649272, 36492761, 36492763, 364934, 364941, 3649415, 364943, 36494344, 3649435, 364947, 3649471, 3649472, 364955, 3649556, 364957, 3649571, 3649573, 364960, 3649601, 364962, 3649624, 364DIG2, 395340, 395602, 395619, 395761, G06F 1500, G06F 1721
Patent
active
RE0358614
ABSTRACT:
Method and apparatus for comparing original and modified versions of a document. The system of the present invention utilizes a hash number generator CPU to generate hash numbers for lines and sentences contained in the documents. Matching hash numbers are defined as anchorpoints and stored in an anchorpoint memory. A comparator CPU performs a character-by-character comparison of the respective documents radiating outward from each anchorpoint. This comparison generates identity blocks which are defined as blocks which are the same in both documents. Non-identity blocks are defined as difference blocks and are characterized as insertions or deletions depending on their status. A portion of the original and modified document is displayed in a split-screen format on a display, such as a CRT. Cursors on the top and bottom half of the screen identify corresponding portions of the documents. The second cursor is generated by taking advantage of the timer interrupt sequence of a CPU to direct the CPU to program instructions to generate the second cursor.
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patent: 4641274 (1987-02-01), Swank
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patent: 5265065 (1993-11-01), Turtle
Heckel, "A technique for Isolating Differences Between Files", Apr. 1978, pp. 264-268.
Paul Heckel; "A Technique For Isolating Difference Between Files"; Apr. 1978, p. 265.
Advanced Software, Inc.
Weinhardt Robert A.
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