Title:
METHOD OF AND APPARATUS FOR MONITORING GASEOUS POLLUTANT
Document Type and Number:
Japanese Patent JPS57161535
Kind Code:
A
Abstract:
Laser scanning apparatus for monitoring gaseous pollutants uses two intersecting scanning beams so that the point of intersection (which is monitored by both scanning beams) can be identified by triangulation.
Inventors:
JIYON HARII UIRIAMU KURANPU
Application Number:
JP3502982A
Publication Date:
October 05, 1982
Filing Date:
March 05, 1982
Export Citation:
Assignee:
ICI LTD
International Classes:
G01N21/25; G01N21/39; G01S17/46; G08C23/00; G08C23/04; (IPC1-7): G01N21/25; G08C23/00
Domestic Patent References:
| JPS4950988A | 1974-05-17 | |||
| JPS52126200A | 1977-10-22 | |||
| JPS4728976A |