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:
Aug. 07, 2012
Filed:
Apr. 15, 2009
Minoru Danno, Kanagawa, JP;
Kenji Muta, Kanagawa, JP;
Masazumi Tanoura, Kanagawa, JP;
Masatoshi Katsuki, Kanagawa, JP;
Yuuko Ujihara, Kanagawa, JP;
Minoru Danno, Kanagawa, JP;
Kenji Muta, Kanagawa, JP;
Masazumi Tanoura, Kanagawa, JP;
Masatoshi Katsuki, Kanagawa, JP;
Yuuko Ujihara, Kanagawa, JP;
Mitsubishi Heavy Industries, Ltd., Tokyo, JP;
Abstract
A method and apparatus for measuring density which can simultaneously measure gaseous substance density and solid particulate material density and further can simultaneously measure the densities of a plurality of materials such as black smoke, white smoke, and water vapor. The method includes irradiating a laser having at least one wavelength equivalent to an absorption wavelength of each gaseous substance to be measured.