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Title:
MOVING-BODY IDENTIFYING DEVICE
Document Type and Number:
Japanese Patent JP2959209
Kind Code:
B2
Abstract:

PURPOSE: To provide a moving-body identifying device capable of handling identification codes of relatively large capacities without requiring batteries.
CONSTITUTION: A high-frequency phase-modulated signal modulated by a pseudo random signal is output from the antenna 12 of an interrogator 1. An identification code depending on an electrode structure comprising taps is preset at a responder 2 and a SAW device 23 is provided which receives the phase- modulated signal, takes the correlation of the signal with an identification signal, and outputs a burst signal corresponding to the identification code.


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Inventors:
MIZUNO MASAO
FUJIMOTO TAKUYA
Application Number:
JP18740891A
Publication Date:
October 06, 1999
Filing Date:
July 26, 1991
Export Citation:
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Assignee:
OMURON KK
International Classes:
G01S13/78; G01S13/75; G01S13/76; G01S13/79; (IPC1-7): G01S13/78; G01S13/75; G01S13/76; G01S13/79
Domestic Patent References:
JP2205787A
JP5965779A
JP1199186A
JP36481A
JP1219687A
JP54121093A
JP61104280A
Attorney, Agent or Firm:
Nakamura Shigenobu



 
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