Electricity: measuring and testing – Measuring – testing – or sensing electricity – per se – With rotor
Patent
1980-03-13
1982-05-11
Karlsen, Ernest F.
Electricity: measuring and testing
Measuring, testing, or sensing electricity, per se
With rotor
340514, G01R 3102, G08B 2900
Patent
active
043296432
ABSTRACT:
A portable system for testing and adjusting security alarm system modules where an alarm module is removed from the security system and inserted into the test system, an adapter card, connected to the test system, replaces the module, whereby the alarm system continues to function normally, the alarm circuit is then tested for voltage, current and continuity and necessary adjustments made.
REFERENCES:
patent: 3808532 (1974-04-01), Yuska
patent: 4230986 (1980-10-01), Deaver et al.
Durante Lawrence A.
Heike Lutz R.
Neumann Manfred H.
Wallstab Gunter H.
Zimmerman Frank U.
Karlsen Ernest F.
Miller Henry S.
Singer Donald J.
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