SEMICONDUCTOR MEMORY BOARD AND DATA-READING DEVICE

SEMICONDUCTOR MEMORY BOARD AND DATA-READING DEVICE

FIELD: digital memory technologies. ^ SUBSTANCE: board has rewritable power-independent memory and control circuit, means for storing address, pointing at limit between authentication area and non-authentication area, circuit for changing size of said areas. Reading device contains estimation means,...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: JUGAVA TAJKHEI, KOZUKA MASAJUKI, KHIROTA TERUTO, TATEBAJASI MAKOTO, MINAMI MASATAKA
Format: Patent
Sprache:eng ; rus
Schlagworte:
CALCULATING
COMPUTING
COUNTING
ELECTRIC DIGITAL DATA PROCESSING
INFORMATION STORAGE
PHYSICS
STATIC STORES
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Beschreibung
Zusammenfassung:FIELD: digital memory technologies. ^ SUBSTANCE: board has rewritable power-independent memory and control circuit, means for storing address, pointing at limit between authentication area and non-authentication area, circuit for changing size of said areas. Reading device contains estimation means, reading information, pointing at number of times, for which digital data can be read, and playback means. Second device variant additionally has means for digital output of contents. ^ EFFECT: higher efficiency. ^ 3 cl, 23 dwg