公开(公告)号：US20180270604A1

公开(公告)日：2018-09-20

申请号：US15833097

申请日：2017-12-06

Applicant: FUJITSU COMPONENT LIMITED

Inventor： Masahiro YANAGI ,  Kimihiro Maruyama ,  Tatsuya Kakehashi

IPC: H04W4/02

CPC classification number: H04W4/02 ,  G01S5/0027 ,  G01S5/0236 ,  G01S5/0263 ,  G01S19/05 ,  G01S19/13 ,  G01S19/34 ,  G01S19/48 ,  H04M1/72569 ,  H04M1/72572 ,  H04W4/80 ,  H04W52/0245 ,  Y02D70/10 ,  Y02D70/14 ,  Y02D70/142 ,  Y02D70/144 ,  Y02D70/164

Abstract: A communication device communicatable with an information processing device, including: a communicator that communicates with the information processing device; a detector that detects the movement of the communication device; an acquirer that acquires position information of the communication device by using one of different communication methods; and a selector that selects a communication method in which the acquirer acquires the position information, based on a selection signal transmitted from the information processing device; wherein when the detector detects the movement of the communication device, the communicator communicates with the information processing device, and the acquirer acquires the position information of the communication device by using the communication method selected by the selector.

公开(公告)号：US20200256945A1

公开(公告)日：2020-08-13

申请号：US16774649

申请日：2020-01-28

Applicant: FUJITSU COMPONENT LIMITED

Inventor： Maiko SAITO ,  Masaru SAKURAI ,  Syunichi IIZUKA ,  Masahiro YANAGI ,  Kimihiro MARUYAMA

IPC: G01S7/02 ,  G01S13/56

Abstract: A detection device includes: a transmitter that transmits a high-frequency signal as a transmission signal; a receiver that receives a reception signal including a reflection signal formed by reflecting the transmission signal at a target; and a controller that detects the target based on a frequency of the reflection signal, and changes a frequency of the transmission signal based on a frequency of the reception signal.

公开(公告)号：US20180014352A1

公开(公告)日：2018-01-11

申请号：US15609873

申请日：2017-05-31

Applicant: FUJITSU COMPONENT LIMITED

Inventor： Masahiro YANAGI ,  Kimihiro MARUYAMA ,  Tatsuya KAKEHASHI

IPC: H04W84/20

CPC classification number: H04W84/20 ,  H04L1/1671 ,  H04L1/1678 ,  H04L1/1848 ,  H04L1/1858 ,  H04L1/1864 ,  H04L1/1887 ,  H04L2001/0092 ,  H04L2001/0093 ,  H04Q9/00 ,  H04Q2209/40 ,  H04Q2209/43 ,  H04Q2209/75 ,  H04Q2209/883 ,  H04W28/06 ,  H04W74/06

Abstract: A wireless communication device that communicates with a plurality of slave units, including: a transmitter that transmits a data transmission instruction including a first identification information of a single slave unit among the plurality of slave units; a receiver that receives data corresponding to the data transmission instruction from the single slave unit; wherein the transmitter transmits to the plurality of slave units acknowledgment data which has incorporated second identification information into an acknowledgment to the data received from the single slave unit, the second identification information indicating another slave unit which transmits data corresponding to a next data transmission instruction to the wireless communication device.