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:
Sep. 13, 2005
Filed:
Apr. 26, 2001
Hans Göran Evald Martin, Delsbo, SE;
Hans Göran Evald Martin, Delsbo, SE;
Senseair AB, , SE;
Abstract
The invention relates to a gas cell () adapted for carbon dioxide and including a cavity () which is adapted for a chosen gas volume, a light s source () and a light-bundle receiving unit (). The light source () is placed in a focal point (F) associated with a partially elliptical mirror surface () forming a reflector for the light source () and a first defining surface of the cavity (). Two other cavity-defining surfaces are comprised of gas-conducting surfaces () orientated from the end-parts (') of the mirror surfaces (). The light-bundle receiving unit () is placed in a second focal point (F′) associated with the partially elliptical mirror surfaces ().