G - Physics – 06 – F
Patent
G - Physics
06
F
G06F 12/16 (2006.01) G11C 17/12 (2006.01) G11C 29/00 (2006.01) G11C 29/52 (2006.01)
Patent
CA 2118543
- 12 - METHOD FOR MINIMIZING THE EFFECT OF MEMORY ERRORS WITHIN A DIGITAL INFORMATION STORAGE SYSTEM Abstract Of The Disclosure A method for the retrieval of digital information from a memory device wherein data representing temporally proximate samplings of a signal, or band-adjacent frequency components of a signal are stored in separate memory locations; each of these separate memory locations being subject to circuit failure independent of other such memory locations. In practicing a particular method of the invention, the effects of errors caused by memory circuit failures within the digital data system are reduced by testing for data losses upon retrieval of the information. In response to detecting a loss, data representing a signal sampling temporally proximate to the signal sampling represented by the lost data is substituted for the lost data. In yet another method of the invention, a similar testing/substitution scheme is employed to reduce the effects of memory circuit failure errors. However, in response to detecting a data loss, data representing a frequency component adjacent to the band of the frequency component represented by the lost data is substituted for the lost data.
American Telephone And Telegraph Company
Kirby Eades Gale Baker
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