System for supervising connection points

Details System for supervising connection points System for supervising connection points

1977-10-07

1979-12-25

Yusko, Donald J.

Communications: electrical

Digital comparator systems

340518, H04Q 300, G08B 1900

Patent

active

041808010

ABSTRACT:
The invention is characterized by the use of electronic scanners independently controlled by a control unit, said scanners cyclically scanning in an autonomous manner the matrices of the contacts which are assigned to them and the control unit cyclically observing the scanners so that when a scanner detects the change in state of a contact, the control unit collects from said scanner the georgraphical data of this contact and causes, during a determined time the display of the number of said contact and possibly signals the category to which it belongs. This signalling can also, according to its category, be accomplished by an acoustic alarm.

REFERENCES:
patent: 3323107 (1967-05-01), Duvall
patent: 3611363 (1971-10-01), McCrea
patent: 3766540 (1973-10-01), Schopfer et al.
patent: 3952287 (1976-04-01), Vie
patent: 4060795 (1977-11-01), Harumiya et al.
Telecommunication Journal, vol. 36, XII/1969, Geneva, D. Van de Nieuwegiessen, "Argus", A Stored Programme-Controlled System for Integrated Remote Supervision and Operation of Telecommunication Equipment, pp. 672-675.
"Interrupt System for Computer"-J. J. Duvalsaint et al., IBM Technical Disclosure Bulletin, vol. 14, No. 8, Jan. 1972, p. 2525.
"An Addressing Scanning and Instruction System for Cascadeded Multiplexing"--R. J. Furlong et al., IBM Technical Disclosure Bulletin, vol. 5, No. 7, Dec. 1962, pp. 1-3.

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