Communications: electrical – Land vehicle alarms or indicators – Of collision or contact with external object
Patent
1987-06-11
1989-12-12
Orsino, Joseph A.
Communications: electrical
Land vehicle alarms or indicators
Of collision or contact with external object
340562, 180167, 324457, 361181, G08B 1326
Patent
active
048870668
ABSTRACT:
The capacitive proximity sensor for motor vehicles comprises a capacitance-measuring device for measuring the capacitance between at least one capacitor plate (1) which is fixed to the motor vehicle, on the one hand, and the environment, on the other hand, and an indicator for receiving the output signal of the measuring device.
To provide a proximity sensor in which the disturbing and parasitary capacitances occurring in practice are particularly taken into account, the output signal S.sub.c of the capacitance-measuring device (5) is delivered to an amplifier (6), which is provided with a degenerative feedback loop (9) comprising a storage device (11) and a switch (10) so that the output signal (s.sub.A) of the amplifier (6) is held constant during normal travel, and the switch (10) is opened to interrupt the degenerative feedback loop (9) for a measurement. The switch is closed when the measurement has been completed.
REFERENCES:
patent: 3183411 (1965-05-01), Palfi
patent: 3750126 (1973-07-01), Solomon
patent: 4232286 (1980-11-01), Voll
patent: 4278962 (1981-07-01), Lin
patent: 4300116 (1981-11-01), Stahovec
patent: 4352090 (1982-09-01), Omaha
patent: 4439693 (1984-03-01), Lucas et al.
patent: 4467313 (1984-08-01), Yoshino et al.
patent: 4528563 (1985-07-01), Takeuchi
patent: 4716371 (1987-12-01), Blitshteyn et al.
Jackson Jill D.
Orsino Joseph A.
Setec Messgerate Gesellschaft m.b.H.
Vigil Thomas A.
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