Pulse or digital communications – Bandwidth reduction or expansion – Pulse code modulation
Patent
1992-09-24
1995-11-14
Tse, Young
Pulse or digital communications
Bandwidth reduction or expansion
Pulse code modulation
375242, 375377, H04B 1404
Patent
active
054673712
ABSTRACT:
Arrangement for generating pulse code modulation values in a telephone set, comprising a microprocessor which includes a working store, in which the microprocessor and the working store are connected by a data bus and an address bus, further including an output circuit for outputting the pulse code modulation values, an output memory connected thereto for storing the pulse code modulation values to be output, the working store and the output memory being incorporated in a single memory circuit. The arrangement is preferably structured in such a way that it comprises an addressing device for generating, in response to the microprocessor's addressing of a random location of the output memory, an address of an output memory location to be read out.
REFERENCES:
patent: 4550425 (1985-10-01), Andersen et al.
patent: 5042069 (1991-08-01), Chhatwal et al.
Rhebergen Gertjan
Snaphaan Paul G.
Van Koelen Gijsbertus A.
Balconi-Lamica Michael J.
Gathman Laurie E.
Tse Young
U.S. Philips Corporation
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