Information storage apparatus

Details Information storage apparatus Information storage apparatus

1994-06-29

1997-03-04

Chin, Wellington

Pulse or digital communications

Pulse code modulation

341 88, 341 89, H03M 728

Patent

active

056087594

ABSTRACT:
In a digital communication network in which pieces of information having different PCM coding rules are present, an information storage apparatus includes a control unit, a storage unit, and at least one transconverter. The control unit includes a comparator which compares the coding rule identifier read from the storage unit with a coding rule identifier of the read destination, when the control unit receives the information read request signal transmitted with the coding rule identifier of the read destination, so that if the coding rule identifier read out from the storage unit coincides with the coding rule identifier of the read destination, the PCM-coded information read out from the storage unit is transmitted without code conversion, and if the coding rule identifier read out from the storage unit does not coincide with the coding rule identifier, the PCM-coded information is transmitted through a selected transconverter to produce code-converted PCM-coded information.

REFERENCES:
patent: 3860908 (1975-01-01), Stratton, III
patent: 5028923 (1991-07-01), Seki et al.
patent: 5077735 (1991-12-01), Myung et al.
patent: 5303343 (1994-04-01), Ohya et al.

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