The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 26, 1998
Filed:
Nov. 14, 1996
Applicant:
Inventor:
Kyung-Chul Woo, Seoul, KR;
Assignee:
L.G. Electronics Inc., Seoul, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
D06F / ;
U.S. Cl.
CPC ...
68 1221 ; 68 1227 ; 68207 ;
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.