Content-addressed text search apparatus for typewriters

Details Content-addressed text search apparatus for typewriters Content-addressed text search apparatus for typewriters

1979-09-27

1982-10-26

Wright, Jr., Ernest T.

Typewriting machines

Including control of format and selection of type-face by...

Including editing or revision system

400 76, 400279, 400 70, 364900, B41J 530

Patent

active

043559131

ABSTRACT:
A search system is provided that locates a reference point in a string of text-representative codes based on comparisons with an operator keyboarded text string (the address string). Such comparisons are automatically modified, however, to equate certain codes and code patterns that present an ambiguity to the operator in establishing the address string, e.g. a tab operation and a series of space operations may have the same apparent result for printing but are stored as different codes. By so expanding the acceptable "matching" code patterns selectively with respect to the codes presented for comparison, the likelihood of operator success in identifying a desired text location is increased significantly.

REFERENCES:
patent: 3358270 (1967-12-01), Crew et al.
patent: 3386553 (1968-06-01), Whitesel
patent: 3812945 (1974-05-01), Koplow et al.
IBM Technical Disclosure Bulletin, "Special Search Function", Hebert et al., vol. 21, No. 11, Apr. 1979, pp. 4365-4366.
"A Compatable Time-Sharing System, A Programmer's Guide", Second Edition, Jun. 1969, pp. 2-3, published by MIT Press, Cambridge, Mass.

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