Title:
RECEIVER OF TRAIN APPROACH ALARM APPARATUS
Document Type and Number:
Japanese Patent JP2018003203
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a receiver of a train approach alarm apparatus which can reliably transmit alarm sound only to a person wearing a helmet without touching the person.SOLUTION: A receiver 3 comprises a body 31 that can be attached to an outer face of a helmet 2, and a speaker 33 attached to the body 31 and coming into contact with the helmet 2 when the body 31 is attached to the helmet 2. The speaker 33 has a hollow shape case 33b, a coil 33c fixed inside the case 33b, and a magnet 33f located inside the coil 33c and attached to the case 33b through an elastic member 33h so as to be capable of vibrating. Sound is transmitted to the helmet 2 by the vibration of the magnet 33f.SELECTED DRAWING: Figure 3
Inventors:
TSUBOKAWA TAKASHI
TSUCHIDA SATOSHI
JIMBO HISANORI
TSUCHIDA SATOSHI
JIMBO HISANORI
Application Number:
JP2016132968A
Publication Date:
January 11, 2018
Filing Date:
July 05, 2016
Export Citation:
Assignee:
HIGASHI NIPPON RYOKAKU TETSUDO
International Classes:
A42B3/30; A42B3/04; H04R1/00; H04R9/06
Attorney, Agent or Firm:
Gwangyang International Patent Office
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