Component for a household appliance, in particular for a...

Details Component for a household appliance, in particular for a... Component for a household appliance, in particular for a...

2006-12-06

2010-10-26

Noland, Thomas P (Department: 2856)

Radiant energy

Photocells; circuits and apparatus

Optical or pre-photocell system

C073S293000, C134S113000, C250S577000

Reexamination Certificate

active

07820995

ABSTRACT:
The present invention relates to a component for a household appliance, in particular for a dishwasher, and to a sump for a household appliance, in particular for a dishwasher, using it. Both the component and the sump are adapted to detect and/or control the level of a liquid in a tub. The component and/or the sump comprise a light transmitter adapted to generate a light beam, a light receiver adapted to receive the said light beam, and at least one optical element, in particular made of transparent material, adapted to affect the said beam depending on the content of the tub.

REFERENCES:
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patent: 2008/0030712 (2008-02-01), Tokhtuev et al.
patent: 1245713 (2002-10-01), None

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