Communications: electrical – Selective – Having indication or alarm
Patent
1974-06-21
1977-01-04
Waring, Alvin H.
Communications: electrical
Selective
Having indication or alarm
340 52R, 180102, 200 85A, 340278, 2351502, B60Q 126
Patent
active
040017770
ABSTRACT:
A monitoring system for a vehicle for hire, such as a taxicab, including a source of direct current, electrically controlled switching means in the form of a relay, and condition responsive switching means connected to the source and to the relay. The condition responsive switching means is operated in response to tampering or other unauthorized activity with the vehicle, the fare recording meter of the vehicle, and the monitoring system itself. This in turn operates the relay causing it to change from a normal position to a fault-indicating position, for example to operate a suitale indicator such as an audible alarm or to open the vehicle operating circuit including the storage battery and ignition coil thereby disabling the vehicle. Operation of the relay disconnects the condition responsive switching means from the source thereby minimizing current drain therefrom. A test circuit including an electrically operated indicator and a normally open switch is enabled by operation of the relay whereby a subsequent inspection can be made by closing the test circuit switch. The system includes passenger detecting means operatively connected to time delayed switching means and to the fare recording meter for tripping a counter or similar registering device which records segments of time a passenger is transported in the vehicle without operation of the fare recording meter. The system also includes means allowing selective operation for flat rate fares and recording the number of such fares.
REFERENCES:
patent: 3343624 (1967-09-01), Shaheen
patent: 3504336 (1970-03-01), Boblitz
patent: 3757065 (1973-09-01), Eberle et al.
patent: 3761659 (1973-09-01), Eberle et al.
patent: 3809312 (1974-05-01), Warrick et al.
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