Electricity: measuring and testing – Measuring – testing – or sensing electricity – per se – Frequency of cyclic current or voltage
Patent
1982-10-12
1985-01-29
Schreyer, Stafford D.
Electricity: measuring and testing
Measuring, testing, or sensing electricity, per se
Frequency of cyclic current or voltage
1791753A, 324 66, H04B 346
Patent
active
044968019
ABSTRACT:
A splicing module test set for determining correct connections of new subscriber line connections to existing subscriber lines in a telephone system, including those systems with special service telephone lines. The test set provides an indication to a craftsperson that a proper and correct connection has been made to the new subscriber line without interrupting existing subscriber service, said lack of interruption being particularly important for special telephone lines.
REFERENCES:
patent: 4186283 (1980-01-01), Simmonds
Howard Albert R.
Hutchison James B.
Roberts Thomas P.
Schreyer Stafford D.
Western Progress, Inc.
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