Mixing ration detecting apparatus, method of controlling...

Details Mixing ration detecting apparatus, method of controlling... Mixing ration detecting apparatus, method of controlling...

2005-06-30

2008-08-19

Alejandro, Raymond (Department: 1795)

Radiant energy

Invisible radiant energy responsive electric signalling

Infrared responsive

C250S341800, C250S341100, C250S343000, C250S338100, C429S006000

Reexamination Certificate

active

07414244

ABSTRACT:
A mixture ratio detecting apparatus comprises: a light source which emits light including light of an infrared region; a first light detecting unit which detects the light of the infrared region from the light source; a second light detecting unit which detects light of a region having a range different from that of the first light detecting unit; and a control unit which outputs a signal pertaining to a mixture ratio based on signals from the first light detecting unit and the second light detecting unit, and controls the light source, the first light detecting unit, and the second light detecting unit.

REFERENCES:
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The Random House College Dictionary, 1980, Revised Edition, Section O.
Korean Office Action, with English Translation, issued in corresponding Korean Patent Application KR 10-2005-40937 dated on Jan. 11, 2007.
Japanese Office Action, with English Translation, issued in corresponding Japanese Patent Application No. 2004-194260, dated on Feb. 27, 2007.

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