Radio pager with a display control capability

Details Radio pager with a display control capability Radio pager with a display control capability

1996-07-25

1998-09-08

Cain, David C.

Cryptography

Key management

Having particular key generator

380 43, 380 46, H04K 100

Patent

active

058057072

ABSTRACT:
In a radio pager, when encrypting information is attached to a received message, the message is written to an encrypted message memory in distinction from an ordinary message. The message stored in the encrypted message memory is read out and displayed only when decrypting information matching the encrypting information is entered by the user of the pager. The encrypting information may be added to the received message by the user before the message is written to the encrypted message memory. With this configuration, the pager allows only the user or an authorized person to see private messages stored in the encrypted message memory.

REFERENCES:
patent: 5146217 (1992-09-01), Holmes et al.
patent: 5283832 (1994-02-01), Lockhart et al.
Motorola Technical Developments, vol. 11, Oct. 1990, pp. 100-103.
Patent Abstracts of Japan, vol. 13, No. 232, May 29, 1989.
Patent Abstracts of Japan, vol. 16, No. 364, Aug. 6, 1992.

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