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US Patent 4,121,298: Central Processing Unit for Numbers Represented in the System of Residual Classes

The most detailed public document describing a complete CPU architecture built on the Residue Number System, filed internationally by Akushsky and four co-inventors in 1976.

UNCLASSIFIED

Provenance

Granted by the United States Patent Office on October 17, 1978. Priority date April 30, 1976. Filed internationally as GB1507121A (UK), FR2305783A1 (France), DE2619307 (West Germany, later withdrawn), and SU601689A1 (USSR). All 25 claims expired in 1995. Retrieved via Google Patents.

US Patent 4,121,298: Central Processing Unit for Numbers Represented in the System of Residual Classes - first page

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Document Details
Document Type
Blueprint/Schematic
Creator
Israel Yakovlevich Akushsky, Vladimir Mikhailovich Burtsev, Bulat Esenovich Duisenov, Ivan Timofeevich Pak, Anurbek Orymbekovich Zhautykov
Date
1978-10-17
Classification
UNCLASSIFIED
Document ID
US4121298A
Original Language
English
Last Modified
2026-03-24