Electronic memo/retrieval apparatus with confidential storage

Details Electronic memo/retrieval apparatus with confidential storage Electronic memo/retrieval apparatus with confidential storage

1990-12-21

1993-06-29

Fears, Terrell W.

Cryptography

Cryptanalysis

3649272, 3649187, 364975, 364927, 380 3, G06F 100

Patent

active

052240673

ABSTRACT:
An electronic memo/retrieval apparatus comprises an input section and a memory for storing a plurality of data inputted from the input section. Particular data can be stored together with a discrimination code in the memory so as to protect the particular data from being read from the memory when a predetermined data output instruction is given from the input section.

REFERENCES:
patent: 4117542 (1978-09-01), Klausner et al.
patent: 4128874 (1978-12-01), Pertt
patent: 4135240 (1979-01-01), Ritchie
patent: 4139893 (1979-02-01), Poland
patent: 4394731 (1983-07-01), Flusche et al.
patent: 4402056 (1983-08-01), Sado et al.
patent: 4521853 (1985-06-01), Gutlag
patent: 4604708 (1986-08-01), Lewis
patent: 4618953 (1986-10-01), Daniels et al.
patent: 4626990 (1986-12-01), Komai et al.
patent: 4638246 (1987-01-01), Blank et al.
"Elektronischer (Taschen-) Kalender" on p. 5 of Neues aus der Technik, No. 1, vol. 15, Feb. 1985, also a translated version of this article.
Technical/Scientific Computer Casio College fx-100 Instructions for Use, pp. 2 and 3.

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