Title:
【発明の名称】列車制御用通信装置
Document Type and Number:
Japanese Patent JP3352587
Kind Code:
B2
Inventors:
Masatoshi Umeyama
Atsushi Sugawara
Atsushi Sugawara
Application Number:
JP8202996A
Publication Date:
December 03, 2002
Filing Date:
March 11, 1996
Export Citation:
Assignee:
Nippon Signal Co., Ltd.
International Classes:
B61L1/18; B61L3/08; B61L23/16; H04B1/7075; H04J13/00; (IPC1-7): B61L3/08; H04J13/00
Domestic Patent References:
| JP5262235A | ||||
| JP7329782A |
Attorney, Agent or Firm:
Mitsumasa Ishii