Telephonic communications – Diagnostic testing – malfunction indication – or electrical... – With blocking of normal usage
Patent
1997-11-26
2000-08-15
Best, Dwayne D.
Telephonic communications
Diagnostic testing, malfunction indication, or electrical...
With blocking of normal usage
379 1, 379 6, 379 22, 379 29, H04B 1700, H04M 124
Patent
active
061047821
ABSTRACT:
A method for measuring by means of a mobile auxiliary device, quality determining parameters of a communications transmission link which is firmly connected to at least one end thereof and includes a central measuring system. Precise determination of the quality determining parameters in one partial link (7) of the communications transmission link, the invention provides for the auxiliary device (12) to transmit a control signal to the measuring system (25). After receipt of the control signal in the measuring system (25), the communications transmission link is subdivided into two partial links (7, 8). Subsequently, it is verified in the measuring system (25) which of the partial links the auxiliary device (12) is connected to, after which the quality determining parameters of the verified partial link (7) of the communications transmission link are measured.
REFERENCES:
patent: 4558182 (1985-12-01), Perry et al.
patent: 5018184 (1991-05-01), Abrams et al.
patent: 5425076 (1995-06-01), Knippelmier
patent: 5490204 (1995-06-01), Gulledge
patent: 5521902 (1996-05-01), Furgeson
patent: 6026145 (2000-02-01), Bauer et al.
KMT Report, Jan. 1996: "Provable Quality Assurance With Analog and Digital Solid Connections" by Gunter Bretschneider.
Best Dwayne D.
Davis Temica M.
Lenihan Thomas F.
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