Application Number: 00114269Application Date: 2000.05.17Publication Number: 1272436Publication Date: 2000.11.08Priority Information: International: G08G1/127Applicant(s) Name: Yangcheng Science & Technology Industry Co., ltd., Guangzhou CityAddress: Inventor(s) Name: Zou Zhigang;Li WeiliangPatent Agency Code: 44104Patent Agent: li haibeiAbstract A monitoring system for real-time displaying the metro running state includes optical fibre and optical time-domain reflectometer (OTDR), in which the optical Read more
Archive : Subway
Subway platform at cross line
Application Number: 00107312Application Date: 2000.05.10Publication Number: 1267610Publication Date: 2000.09.27Priority Information: International: E01F1/00Applicant(s) Name: Liu JieAddress: Inventor(s) Name: Liu JiePatent Agency Code: 11230Patent Agent: zhang ejunAbstract The subway platform at cross line includes at least two layers of platforms. The reverse subway tracks beside the upper and the lower platforms are set on two sides of Read more