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Title:
INDICATING DEVICE AND LINE SWITCHING DEVICE
Document Type and Number:
Japanese Patent JP2003117048
Kind Code:
A
Abstract:

To provide a floor face indicating device capable of easily, quickly and selectively indicating a line of a desired court on a floor face in accordance with the necessity.

A light guide material 3 emitting the light by a light source 3 or an indicating member 13 having the light source 4 is mounted at a lower side of a protective material 6 having a surface approximately flush with the floor face A, and transmitting the linear light. The light source 4 is electrically controlled to selectively indicate the line on the floor face A through the protective material 6. Three primary colors are used in the light source 4 to indicate the line of the desired color. Further the line can be indicated without using the light source.


Inventors:
MORI YUKIO
KONDO NORIO
MIYASHITA MASAKI
Application Number:
JP2001314713A
Publication Date:
April 22, 2003
Filing Date:
October 12, 2001
Export Citation:
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Assignee:
DAIHO CONSTRUCTION CO LTD
International Classes:
A63C19/06; (IPC1-7): A63C19/06
Attorney, Agent or Firm:
Takayama Michio



 
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