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.

Date of Patent:
Feb. 18, 2014

Filed:

Jul. 13, 2011
Applicants:

Shang-jung Wu, Taoyuan, TW;

Zen-chyuan Chen, Taoyuan, TW;

Inventors:

Shang-Jung Wu, Taoyuan, TW;

Zen-Chyuan Chen, Taoyuan, TW;

Assignee:

Solteam Opto, Inc., Taoyuan, TW;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01N 21/00 (2006.01); G01N 21/25 (2006.01); G01J 1/00 (2006.01); G01J 1/46 (2006.01); G01J 1/42 (2006.01); G01J 1/40 (2006.01); G01B 9/021 (2006.01);
U.S. Cl.
CPC ...
Abstract

A turbidity sensor for sensing the turbidity of a fluid in a working chamber in a household appliance is disclosed to include a light-transmissive body shell defining therein an accommodation chamber and covered with a cover member, and a sensor module, which includes a circuit board mounted in the accommodation chamber inside the body shell, a holder block a set of light-transmitting devices and a set of light-receiving devices on the circuit board in a right angle relationship for emitting light onto the fluid and picking up reflected light from suspended particles/impurities in the fluid for determination of the turbidity of the fluid.


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