Communications: electrical – Vehicle detectors – Sonic or ultrasonic
Patent
1988-10-19
1990-03-20
Orsino, Joseph A.
Communications: electrical
Vehicle detectors
Sonic or ultrasonic
340901, 340904, 367909, G08G 100
Patent
active
049105124
ABSTRACT:
A monitoring apparatus for a safety device for driving a vehicle in reverse comprising at least two transmitter/receiver pairs which are mounted at the back of the vehicle and which operate by reflecting sound. Each transmitter/receiver is associated with an electroacoustic transducer. An acoustic shunt is positioned between neighboring transducers. The transmitter/receiver pairs alternate cyclically to acquire an object. The signal received from a neighboring transmitter is evaluated as a function control signal.
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Electronik, vol. 35, No. 22 (1986), Oct.
Patent Abstracts of Japan, vol. 10, No. 195, Jul. 9, 1986 JP-A-61 38 479.
Orsino Joseph A.
Siemens Aktiengesellschaft
Swarthout Brent A.
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