Circuit arrangement for telecommunications systems, particularly

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

1986-07-28

1988-11-15

Yusko, Donald J.

Communications: electrical

Continuously variable indicating

With meter reading

340825130, 379384, H04Q 916, H04Q 324

Patent

active

047852984

ABSTRACT:
An interrogating device cyclically calling in an information from various inquiry locations controls the various inquiry locations differing in frequency to which end addresses of the inquiry locations are stored a different number of times in an interrogation control memory. When an interrogating device has not received any information upon interrogation of an inquiry location, then this inquiry location is skipped the next time. For this purpose, a note bit is stored in the interrogation control memory at the address which was just interrogated. When the same memory location in the interrogation memory is reached again after an interrogation cycle, the note bit effects that the address is not read and that the inquiry location is instead skipped once; the note bit is thereby erased in turn.

REFERENCES:
patent: 3868482 (1975-02-01), Colas
patent: 4071908 (1978-01-01), Brophy et al.
patent: 4683531 (1987-07-01), Kelch et al.
DE3443616A1, 05/1986, W. Zilbauer.

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