Passenger entertainment system transducer failure detector

Details Passenger entertainment system transducer failure detector Passenger entertainment system transducer failure detector

1980-12-23

1983-02-15

Brigance, Gerald L.

Multiplex communications

Wide area network

Packet switching

370 15, 179 1B, 1791751A, H04J 314

Patent

active

043744354

ABSTRACT:
Common seat group transducer BITE circuitry located within the seat group SEB is responsive to the audio signal output of each transducer driver amplifier, the transducer BITE circuitry sensing the peak-to-peak voltage amplitude of the output signal to determine the operability of each driver, and sensing the current amplitude and frequency of the output signal to determine the transducer operability.

REFERENCES:
patent: 3566038 (1971-02-01), Slavin
patent: 3585307 (1971-06-01), Greenberg
patent: 3795771 (1974-03-01), Gunderson et al.
patent: 3916381 (1975-10-01), Johnson et al.
patent: 4065647 (1977-12-01), Frye et al.
patent: 4095057 (1978-06-01), Power et al.

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