Communications: electrical – Land vehicle alarms or indicators – Of burglary or unauthorized use
Patent
1989-02-06
1990-03-06
Orsino, Joseph A.
Communications: electrical
Land vehicle alarms or indicators
Of burglary or unauthorized use
340457, 340568, 340687, G08B 1314
Patent
active
049069691
ABSTRACT:
A system for use in an automobile to indicate that the user has failed to remove an appliance, such as a radio, when the ignition switch is turned off. The system includes a circuit including an audible or visual alarm, the automobile battery for powering the circuit, a relay connected between the battery and the alarm, the automobile ignition switch for controlling the relay, and a switch controlled by insertion or removal of the appliance from its compartment located, for example, in the dashboard of the automobile. When the appliance is inserted in its compartment with the ignition switch off, the alarm will be energized until the ignition switch is turned on. If the ignition switch is subsequently turned off while the appliance is still in its compartment, the alarm will again be energized, thus indicating that the appliance should be removed before leaving the automobile. Removal of the appliance will terminate the signal.
REFERENCES:
patent: 4427967 (1984-01-01), Maiocco
patent: 4679026 (1987-07-01), Knarowski et al.
patent: 4758817 (1988-07-01), Akiyama
patent: 4805233 (1989-02-01), Robitschko et al.
Mouzavires William E.
Orsino Joseph A.
Scutch III Frank M.
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