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Patent Searching and Data


Title:
CROSSING INDICATING LAMP
Document Type and Number:
Japanese Patent JP2020055446
Kind Code:
A
Abstract:
To provide a crossing indicating lamp such as a crossing alarm lamp whose lighting state is easily visible even to a red-colorblind person passing the crossing.SOLUTION: A crossing alarm lamp 100 comprises a cover 110, a hood 120 and a printed circuit board with mounted LED 130 accommodated in the cover 110. On both faces of the printed circuit board with mounted LED 130, plural LEDs 140 are circularly arranged and as the plural LEDs 140, red LEDs with specific dominant wave length between 610 nm and 620 nm are used.SELECTED DRAWING: Figure 1

Inventors:
KAMIYAMA SHINYA
TAKAHATA KENJI
ONUKI MASUTAKA
Application Number:
JP2018187983A
Publication Date:
April 09, 2020
Filing Date:
October 03, 2018
Export Citation:
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Assignee:
TOHO ELECTRICAL CONSTRUCTION CO LTD
International Classes:
B61L29/04; B61L29/28; G08B5/00
Attorney, Agent or Firm:
Yoshiaki Fujino