Title:
GUIDING DEVICE
Document Type and Number:
Japanese Patent JP3722705
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To remove power supply to a transmitter-receiver disposed at a predetermined position to be provided with information and to send information with voice from a transmitter-receiver carried by a person receiving the information.
SOLUTION: This guiding device comprises an installation transmitter-receiver 2 disposed at the predetermined position, and a portable transmitter-receiver 3 that is carried by a person, transmits a confirmation signal S1 as a conveyance wave C1 for question modulated in frequency to the installation transmitter-receiver 2 to obtain the information of the predetermined position, and informs the person of the information with a voice. The installation transmitter-receiver 2 comprises a receiving part 21, a demodulation part 22, a control part 24 that reads out the information of the predetermined position stored on a storing part 23 based on the confirmation signal demodulated with the demodulation part 22 and outputs the information as an information guide signal S2 including a positional code, a modulation part 25 for modulating the information guide signal infrequency, a transmitting part 26 for transmitting a response conveyance wave C2 generated by modulating the information guide signal in frequency to the portable transmitter-receiver, and a power supply 27 for converting power of the question conveyance wave C1 to direct current and supplying the current to each part requiring an operation power supply.
Inventors:
Tadayoshi Okura
Application Number:
JP2001021537A
Publication Date:
November 30, 2005
Filing Date:
January 30, 2001
Export Citation:
Assignee:
JST Corporation
Tadayoshi Okura
Akira Tsuboi
Tadayoshi Okura
Akira Tsuboi
International Classes:
G01S13/75; G01S13/82; G08B5/22; G08G1/005; H03C3/00; H04B1/59; H04B5/02; H04B7/26; H04W52/00; H04W88/02; A61F9/08; H04W88/18; (IPC1-7): A61F9/08; G01S13/82; G08B5/22; G08G1/005; H02J17/00; H03C3/00; H04B1/59; H04B5/02; H04B7/26
Domestic Patent References:
| JP999002A | ||||
| JP9270436A | ||||
| JP9173379A | ||||
| JP8246422A | ||||
| JP8191853A | ||||
| JP7250863A | ||||
| JP10337301A | ||||
| JP10255193A | ||||
| JP3601891B2 |
Attorney, Agent or Firm:
Kazuo Moriya