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:
Jun. 05, 2007
Filed:
Feb. 20, 2003
Takao Kobayashi, Fukui, JP;
Toshikazu Hasegawa, Tokyo, JP;
Dengxin Hua, Tokyo, JP;
Kiyotaka Uchida, Tokyo, JP;
Takao Kobayashi, Fukui, JP;
Toshikazu Hasegawa, Tokyo, JP;
Dengxin Hua, Tokyo, JP;
Kiyotaka Uchida, Tokyo, JP;
EKO Instruments Co., Ltd., Tokyo, JP;
Abstract
A lidar system for meteorological observation, in which pulsed laser light having a prescribed central frequency is emitted from a laser device and reflected light thereof is observed, includes: a spectral analyzer for spectrally analyzing reflected light for observation into light in the wavelength region of the laser light and light in wavelength regions other than the region of the laser light; a first and a second filter for selectively passing light centered on a first and a second frequency component among the light of the wavelength region of the laser light, respectively; a first and a second photodetection unit configured to detect the first and second frequency component light passed through the first and second filter, respectively; and a third and a fourth photodetection unit configured to detect the light of the wavelength region of the laser light and regions other than the region of the laser light, respectively.