Patent ID: 8339592
Filing Date: 2012-12-25
Classification: A61L,A61M

Abstract:
1. A radiometer comprising a first optical chamber consisting of an elongated cavity symmetrical about an axis through a long dimension of said chamber and having a first slot for receiving at least some radiation from outside said optical chamber, said slot being parallel to said axis, and a photo sensor responsive to said received radiation mounted in said optical chamber perpendicularly from said slot with respect to said axis; a second optical chamber consisting of an elongated cavity symmetrical about a second axis through a long dimension of said second chamber and having a third slot for receiving at least some radiation from outside said second chamber, said slot being parallel to said second axis, and a second photo sensor responsive to said received radiation mounted in said second optical chamber perpendicularly from said third slot with respect to said second axis; a first integrating chamber coupled to said first optical chamber by a first opening; and a second integrating chamber coupled to said second optical chamber by a second opening, said openings being slots, said slots being substantially parallel to said axes of their respective optical chambers.