Water level measuring apparatus for washing machine

Details Water level measuring apparatus for washing machine Water level measuring apparatus for washing machine

1996-11-14

1998-05-26

Coe, Philip R.

Textiles: fluid treating apparatus

Machines

Single tub and automatic sequential operation mechanism

68 1227, 68207, D06F 3302

Patent

active

057551189

ABSTRACT:
A water level measuring apparatus for a washing machine which is capable of sensing the water level depending on a level of a sound made by a falling water when water is supplied, includes a microphone disposed at an interval from a water supply inlet to sense the sound of the falling water, a microphone amplifier for amplifying the sound sensed through the microphone, and a microcomputer for determining a water level by using an output signal from the microphone amplifier.

REFERENCES:
patent: 5272892 (1993-12-01), Janutka et al.

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