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:
Dec. 22, 1992
Filed:
Jun. 26, 1991
Shuzo Ono, Iwaki, JP;
Alps Electric Co., Ltd., Tokyo, JP;
Abstract
An automatic washing apparatus for washing dirty things in a washing tank to which washing liquid is supplied, the automatic washing apparatus comprising: a light emitting element for emitting light to the washing liquid which has passed through the washing tank; a first light receiving element for receiving a linear light beam which travels through the washing liquid along the optical axis of the light emitting element; and a second light receiving element for receiving scattered light which travels through the washing liquid in directions deviated from the optical axis of the light emitting element, wherein washing conditions are controlled in accordance with the quantity of light received by the first light receiving element and the quantity of light received by the second light receiving element.