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:
Apr. 21, 1992
Filed:
Nov. 26, 1990
Mitsuyuki Kiuchi, Nara, JP;
Hisayuki Imahashi, Kawanishi, JP;
Sadayuki Tamae, Toyonaka, JP;
Shoichi Matsui, Kawanishi, JP;
Akihito Ohtani, Suita, JP;
Matsushita Electric Industrial Co., Ltd., Osaka, JP;
Abstract
The control device for a washing machine is provided to have a function of testing the working characteristic of the transmission sensing device for sensing light transmission of water filled while the water supplied in a washing bath is fresh before putting detergent therein or stirring the cloth for rinsing. The control device makes it possible to automatically test the working characteristic of the transmission sensing device and judge if abnormality takes place if the washing or rinsing operation is executed while the washing machine is in operation.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile