Title:
TRANSPONDER AND GROUND EQUIPMENT
Document Type and Number:
Japanese Patent JP3491788
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a transponder and a ground equipment of high work execution properties with no limitation of a set up position.
SOLUTION: A transceiving coil 1 transmits or receivers in formation waves S21, S22 transmitted and received between on-vehicle and on-ground. In a data converter circuit 2, an input transmission data S1 is converted into the information wave S21 of different frequency, which is supplied to the transceiving coil 1, the information wave S22 received by the transceiving coil 1 is converted into a reception data S3 of different frequency to output it. A case 3, is constituted of insulating material, stores the transceiving coil 1 and the data converter circuit 2.
Inventors:
Akio Makishima
Toshiyuki Komine
Kaoru Ito
Ichiro Fukatsu
Yasuo Saitoh
Tomoki Kubota
Toshiyuki Komine
Kaoru Ito
Ichiro Fukatsu
Yasuo Saitoh
Tomoki Kubota
Application Number:
JP30176595A
Publication Date:
January 26, 2004
Filing Date:
November 20, 1995
Export Citation:
Assignee:
East Japan Railway Company
Nippon Signal Co., Ltd.
Nippon Signal Co., Ltd.
International Classes:
B61L3/12; G01S13/75; G01S13/76; G01S13/79; (IPC1-7): B61L3/12; G01S13/75; G01S13/76; G01S13/79
Domestic Patent References:
| JP2223418A | ||||
| JP55122177A | ||||
| JP65235U | ||||
| JP58103501U |
Attorney, Agent or Firm:
Yoshijiro Abe
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