INFORMATION TRANSMITTER OF ROLLING STOCK

Title:

INFORMATION TRANSMITTER OF ROLLING STOCK

Document Type and Number:

WIPO Patent Application WO/2003/028299

Kind Code:

A1

Abstract:

The data communication of vehicles such as a rolling stock wherein vehicles are separated and connected repeatedly and noise−generating apparatuses such as an inverter are mounted under the floor is carried out through a network. Vehicles communicate date with a modulation wave signal that is a carrier wave signal modulated by a data signal (baseband signal). Since the frequency of a modulation wave signal is set much higher than a noise frequency, the data transmission between vehicles is carried out without being influenced by a noise.

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Inventors:

NAGASU MASAHIRO (JP)
SATO YUTAKA (JP)
TERUNUMA MUTSUHIRO (JP)
AKIYAMA HIROYUKI (JP)

Application Number:

PCT/JP2002/009733

Publication Date:

April 03, 2003

Filing Date:

September 20, 2002

Export Citation:

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Assignee:

HITACHI LTD (JP)
NAGASU MASAHIRO (JP)
SATO YUTAKA (JP)
TERUNUMA MUTSUHIRO (JP)
AKIYAMA HIROYUKI (JP)

International Classes:

B61G5/10; (IPC1-7): H04L12/28; B61G5/10; H04B15/00

Foreign References:

JP2001001901A	2001-01-09
JPH0911900A	1997-01-14
JPS596703A	1984-01-13
JP2000318612A	2000-11-21
JPS60203037A	1985-10-14
JPS5713599A	1982-01-23

Attorney, Agent or Firm:

Takada, Yukihiko (Saiwai-cho 2-chome Hitachi-shi, Ibaraki, JP)

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