Title:
測距システム、測距装置及び測距方法
Document Type and Number:
Japanese Patent JP6971945
Kind Code:
B2
Abstract:
A distance measurement system for transmitting and receiving a distance measurement signal including a phase detection signal between first and second devices and calculating a distance between the devices based on a phase detection result of the received phase detection signal includes a modulation circuit configured to generate the distance measurement signal including a modulated signal obtained by modulating an identification signal, a transmission circuit configured to transmit the distance measurement signal, a reception circuit configured to receive the distance measurement signal, a demodulation circuit configured to demodulate the modulated signal in the received distance measurement signal, and a control circuit configured to judge a restored state of the identification signal obtained from a demodulation result of the demodulation circuit.
Inventors:
Shoji Otaka
Masaki Nishikawa
Takayuki Kato
Farmer Katsuya
Yoshiharu Nito
Masaki Nishikawa
Takayuki Kato
Farmer Katsuya
Yoshiharu Nito
Application Number:
JP2018175377A
Publication Date:
November 24, 2021
Filing Date:
September 19, 2018
Export Citation:
Assignee:
Toshiba Corporation
Toshiba Electronic Devices & Storage Corporation
Toshiba Electronic Devices & Storage Corporation
International Classes:
G01S11/02; B60R25/24; E05B49/00; G01S7/36; G01S13/32
Domestic Patent References:
| JP2001033547A | ||||
| JP2006118886A | ||||
| JP7296211A | ||||
| JP7084035A |
Foreign References:
| US20140330449 |
Attorney, Agent or Firm:
Patent Business Corporation Itoshin International Patent Office