Telephonic communications – Special services – Anonymous party
Patent
1995-02-27
1997-10-14
Bowler, Alyssa H.
Telephonic communications
Special services
Anonymous party
39518211, 3952002, 395829, 379269, 370227, 370400, 3408255, G06F 1500
Patent
active
056780567
ABSTRACT:
In a serial communication control device comprising first active and second reserved function blocks and a CPU section for delivering to the function blocks a serial datum comprising an address and a data value, an address giving arrangement gives a common value as the address value to the first and the second function blocks upon start up of the serial datum and first and second unique values as the address values to the first and the second function blocks after the start up to make the function blocks produce the data value corresponding to the address values coincident with the common or one of the first and the second unique values. Preferably, the second function block comprises an address selector in which the common value is set and which is quiescent to the first unique value given to the first function block after the start up. The common value may be identical with the first unique value during the build up.
REFERENCES:
patent: 4736409 (1988-04-01), Hasegawa et al.
patent: 4739321 (1988-04-01), Friedman et al.
patent: 4930118 (1990-05-01), Sugihara
patent: 5138615 (1992-08-01), Lamport et al.
patent: 5247692 (1993-09-01), Fujimura
Bowler Alyssa H.
Follansbee John
NEC Corporation
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