Title:
移動体識別装置
Document Type and Number:
Japanese Patent JP3609938
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a moving object identification device that does not adopts system configuration interconnected by a network and is used at an interval less than a minimum adjacent interval which is decided by the specification of an interrogator. SOLUTION: This moving object identification device that identifies each mobile object through radio communication with each mobile object is provided in each mobile object. The device is equipped with a responder 2 which is provided with an interrogation reception means 22, that receives an interrogation signal by a radio communication means and with a response transmission means 23 that sends a response signal, when the interrogation reception means 22 receives the interrogation signal, an interrogator 3 which is provided with an interrogation transmission means 21 that is provided to a main body and sends an interrogation signal through a radio communication means and with a response reception means 24 that receives a response signal, after the interrogation transmission means 21 sends an interrogation signal, and also with a communication state reception means 20 that receives a communication state of other interrogator 3, and a control means 4 which conducts communication control of the interrogator 3, based on the communication state signal from the communication state reception means 20.
Inventors:
Norihiro Miyoshi
Application Number:
JP7473398A
Publication Date:
January 12, 2005
Filing Date:
March 23, 1998
Export Citation:
Assignee:
Sharp Corporation
Sharp Manufacturing System Co., Ltd.
Sharp Manufacturing System Co., Ltd.
International Classes:
H04B1/59; H04B7/26; H04B5/02; (IPC1-7): H04B1/59; H04B5/02; H04B7/26
Domestic Patent References:
| JP7030458A | ||||
| JP8115392A | ||||
| JP2171677A | ||||
| JP10293824A |
Attorney, Agent or Firm:
Hidesaku Yamamoto