Digital voice recording/reproducing apparatus

Details Digital voice recording/reproducing apparatus Digital voice recording/reproducing apparatus

1995-03-28

1998-01-20

Barron, Jr., Gilberto

Cryptography

Cryptanalysis

380 3, 360 60, 395 282, H04L 900

Patent

active

057108137

ABSTRACT:
A digital voice recording/reproducing apparatus comprises a user identification code memory, provided in a main body, for storing a predetermined user identification code in advance before the apparatus is shipped from a factory, a voice cartridge attaching section for attaching a detachable voice cartridge having a semiconductor memory to the main body, and a user identification code writing section for writing the user identification code stored in the user identification code memory in advance to the semiconductor memory of the voice cartridge attached to the main body.

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patent: 5359698 (1994-10-01), Goldberg
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patent: 5460374 (1995-10-01), Owaki
patent: 5491774 (1996-02-01), Norris et al.

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