Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
ROAD STUD
Document Type and Number:
WIPO Patent Application WO2005107376
Kind Code:
A3
Abstract:
Provided herein is a road stud used to recognize the central line or lanes of a road. The road stud is configured in the form of a screw to be securely fixed to and buried in a road. The road stud includes a self generator to light up an illuminating element all the time irrespective of the existence and absence of sunshine or illumination, humidity and temperature sensors for sensing the condition of the road to emit different color lights in response to various conditions of the road, and a communication unit for transmitting/receiving information about the condition of the road to/from cars. The road stud has strong shock-resistance and smoothly emit light irrespective of existence or absence of external power supply or the quantity of sunshine. Furthermore, the road stud can indicate various road conditions by different colors of light-emitting diodes using measurement values of the temperature sensor and the humidity sensor and inform an ITS of the road conditions through the communication unit such that drivers can be informed of the traffic condition of the road where the road stud is buried.

Inventors:
JEONG BO-YOUNG (KR)
Application Number:
PCT/KR2005/001336
Publication Date:
February 02, 2006
Filing Date:
May 06, 2005
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
JEONG BO-YOUNG (KR)
International Classes:
E01F9/06; (IPC1-7): E01F9/06
Foreign References:
US4925335A1990-05-15
KR20000083731A
JPH0589514U1993-12-07
KR970020694A1997-05-28
US4993868A1991-02-19
Download PDF: