Title:
LUMINOUS BODY FOR TRAFFIC-CONTROL SIGN
Document Type and Number:
Japanese Patent JP3150931
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide an innovative luminous body for traffic-control sign capable of being manufactured and sold at an extremely low cost and ensuring an excellent visibility of the signal by easily retrofitting it to an existing road traffic-control signal.
SOLUTION: A sensor 3 for detecting that an area around a case body 2 becomes dark is installed in the case body 2 capable of storing a power source 1 such as a battery, and a light source 4 flashed through the power source 1 by the detection activity of the sensor 3 is installed in the case body 2. Then a fixing part 5 is installed in the case body 2 so that the case body 2 can be attached to a road traffic signal.
Inventors:
Ryoji Wada
Application Number:
JP32885697A
Publication Date:
March 26, 2001
Filing Date:
November 28, 1997
Export Citation:
Assignee:
Ryoji Wada
International Classes:
E01F9/00; E01F9/615; E01F9/619; E01F9/669; F21S2/00; F21V5/00; F21V15/01; (IPC1-7): E01F9/00
Domestic Patent References:
| JP6346412A | ||||
| JP5696400A | ||||
| JP63114398U |
Attorney, Agent or Firm:
Tsuyoshi Yoshii (1 person outside)