System and method for data entry

Details System and method for data entry System and method for data entry

2005-07-07

2010-06-29

Frech, Karl D. (Department: 2887)

Registers

Coded record sensors

Particular sensor structure

C235S472020, C235S472030

Reexamination Certificate

active

07743996

ABSTRACT:
A system and method for data entry by an operator uses data containing a first component and a second component derived therefrom, wherein the second component has error detection and correction abilities therein. The second component of the entered data is used to detect and correct error in the data entered for the first component. The first and second components are preferably characters (e.g., representing GPS position information) entered via a data entry device, while the second component preferably comprises Hamming code. The detection and correction can be performed after data entry and again after signal transmission.

REFERENCES:
patent: 3593311 (1971-07-01), Caldwell
patent: 6748568 (2004-06-01), Blaum et al.
patent: 2002/0067308 (2002-06-01), Robertson
patent: 2004/0203461 (2004-10-01), Hay

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