Apparatus for identification and removal of a sign signal charac

Details Apparatus for identification and removal of a sign signal charac Apparatus for identification and removal of a sign signal charac

1979-01-02

1981-09-08

Springborn, Harvey E.

Boots, shoes, and leggings

364900, G06F 700

Patent

active

042888506

ABSTRACT:
In a data processing system, groups of characters to be manipulated in a predetermined manner are transferred between storage units and a central processing unit by apparatus and a method which identifies and corrects a character of a group with sign information superimposed on an identified character position for data entering the central processing unit. After identification of the character position containing the sign information superimposed on a character position, the value of the character in the identified character position is determined by apparatus removing the superimposed sign information and such value is placed in such identified character position in the entering character group. A data string including an identified character position can then be entered in the execution unit of the central processing unit for execution of instructions.

REFERENCES:
patent: 3312946 (1967-04-01), Craft et al.
patent: 3351917 (1967-11-01), Shimabukurd
patent: 3449716 (1969-01-01), Brothman et al.
patent: 3822378 (1974-07-01), Kashio
patent: 3969704 (1976-07-01), Liebel, Jr.
patent: 4164037 (1979-08-01), Cochran et al.
Introduction to IBM Data Processing Systems-Student Text-GC 20-1684-2; 1970; Cover, Preface and pp. 24-25.
IBM 7080 Data Processing System Reference Manual-Form A22-6560-1; 1961; Preface, Frontispiece and pp. 5, 12-15, 26-30 and 45-50.

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