Circuit arrangement for telecommunications systems, particularly

Details Circuit arrangement for telecommunications systems, particularly Circuit arrangement for telecommunications systems, particularly

1986-07-28

1989-03-07

Yusko, Donald J.

Communications: electrical

Continuously variable indicating

With meter reading

379384, H04Q 324

Patent

active

048110140

ABSTRACT:
An interrogating device cyclically calling in information from various inquiry locations selects the various inquiry locations a different number of times, for which purpose addresses of the inquiry location are stored a different number of times in an interrogation control memory. When an interrogating device is not supplied with any information when an inquiry location is interrogated, the inquiry location is skipped the next time. To this end, when no information is received given selection of an inquiry location with its address, that memory location where the same address is again stored is first sought in the memory and a note bit is stored there. The memory location immediately following the previously-selected memory location is then sought in the memory and the appertaining, next inquiry location is selection with the address read. The note bit effects that the inquiry location which is interrogatable with the appertaining address is not interrogated once; the note bit is then erased.

REFERENCES:
patent: 3868482 (1975-02-01), Colas
patent: 4071908 (1978-01-01), Brophy et al.
patent: 4287567 (1981-09-01), Lumsden
DE2748795A1, Apr. 1979, J. Rohrig, Germany.
DE3443616A1, Apr. 1986, W. Zilbauer, Germany.
Publication Entitled "Telcom Report", vol. 4, 1981, Special Issue EWSD Digital Switching System, pp. 3-67.

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