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JP2021096119A |
To provide a user position determining system with which it is possible to determine the position of a user with high accuracy.The user position determining system comprises: a signal strength acquisition unit for acquiring received sign...
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JP6893316B2 |
The present invention addresses the problem of providing: an information output system that can output information about a region in which a portable communication terminal moves; a detection system; an information output method; and a p...
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JP6887848B2 |
To lower costs by facilitating generation of a composite waveform, and to easily change a measurable direction.An ultrasonic measuring device comprises: a transmitter 3 having a plurality of vibrators arranged in an array; a timing adjus...
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JP2021085761A |
To provide a mechanism for reducing power consumption while waiting for signal reception.A communication device is provided, comprising a controller configured to provide control to wait for a second signal transmitted from another commu...
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JP2021085719A |
To provide a digital key system with which it is possible to estimate the distance of a portable terminal with good accuracy.Provided is a digital key system comprising a portable terminal usable as a digital key for a vehicle and an onb...
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JP6880752B2 |
To reduce an error in a distance to be measured in the case that a noise is contained in an electric wave in a distance measurement system for measuring the distance between an on-vehicle communication device and a communication terminal...
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JP6880605B2 |
To provide a target presence likelihood calculation device and a target presence likelihood calculation method that can quickly determine a distance from its own warship to a target.A target presence likelihood calculation device that is...
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JP2021075859A |
To provide a system which allows a vehicle to execute a predetermined operation only in the case where a portable machine exists in the vicinity of the vehicle.A vehicle system 500 includes: an on-vehicle machine 200 mounted on a vehicle...
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JP6864798B1 |
The control system (100) includes a plurality of first devices (101) and a plurality of second devices (102), and each of the plurality of second devices (102) wirelessly transmits a detection signal (151). Then, when each of the plurali...
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JP6856491B2 |
According to one embodiment, a wireless receiver includes reception circuitry and processor circuitry. The reception circuitry receives a radio wave from a radio wave emitter. The processor circuitry estimates a parameter of a ratio of a...
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JP6855220B2 |
A method and apparatus for calculating a ranging measurement in a cellular communications network. The method comprises: receiving (710) at a receiver a first signal associated with a first cell-sector of a sectorised base station in the...
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JP6851925B2 |
To enable accurate distance calculation to be performed adopting communication type distance measurement that finds the distance between two devices by communication between each device.A distance measuring device of an embodiment includ...
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JP6847782B2 |
To prevent the distance to a communication device from being determined by a device owned by a third party.A distance determining system 1 comprises a transmitting device 10 and a distance determining device 20. The transmitting device 1...
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JP6848960B2 |
The present technology relates to a positioning device, a communication device, and a positioning system that are designed to consume lower amounts of power in a more reliable manner. In a case where the identification information includ...
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JP6845603B2 |
To achieve cooperation between an on-vehicle device and a portable terminal with a simpler constitution.An on-vehicle device 2 includes: a first transmitter 221 for transmitting first radio data including information of transmission sign...
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JP6839679B2 |
A ranging system (1) includes a waveform generating unit (8) which generates a periodic signal (Sk) comprising a periodic digital code, as a radio wave (Si) to be transmitted between a first communication device and a second communicatio...
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JP2021032633A |
To provide a target presence likelihood calculation device and a target presence likelihood calculation method, which can properly calculate a target presence likelihood even when the uncertainty of predictive receive level does not conf...
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JP2021035048A |
To provide a system and method for performing automatic sweet spot calibration for beamforming loudspeakers.In an audio playback system 100 including a beamforming loudspeaker system realizing sweet spots for a listener, an audio source ...
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JP6835413B2 |
To easily manage the position of an apparatus for emitting a radio wave.An information processing device 1000 includes: a receiving unit 1001 for receiving radio waves from a plurality of radio wave transmitters; a radio wave intensity m...
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JP6833839B2 |
The invention relates to a method for evaluating the distance (d) between an identifier (20) fitted with a first wireless communication module (24) and a vehicle (10) fitted with a second wireless communication module (14), including the...
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JP6833838B2 |
The invention relates to a method for estimating a distance (d) between a vehicle (10) fitted with a first wireless communication module (12) and an identifier (20) fitted with a second wireless communication module (22), including the f...
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JP2021025798A |
To allow a rescuer to accurately learn a distance to a transmitter while a desired operation time is secured.A reception unit 122 receives a beacon signal from a transmitter 2. A signal acquisition unit 131b captures the transmitter 2 by...
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JP2021017789A |
To provide an electronic key system capable of controlling a transmission output level of a key-side signal transmitted by an electronic key.An electronic key system 1 includes: an on-vehicle device 10 having an on-vehicle communication ...
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JP6816118B2 |
A method for measuring a distance R separating a vehicle and an identifier for accessing and starting the vehicle includes N sequences Sqp, p∈[1;N]. Each sequence Sqp includes: transmission, from a transmitter of the vehicle to a recei...
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JP6815461B2 |
Systems and methods described herein are directed to a specialized Internet of Things (IoT) device deploying both acoustic and radio wave signals. In example implementations described herein, camera data and acoustic sensor data is integ...
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JP6815785B2 |
To provide an ultrasonic displacement measuring device that facilitates generation of a beat signal at a receiver, restrains costs, and is accurate and energy saving even in the case of measuring distance from a small target at a high fr...
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JP6815786B2 |
To provide an ultrasonic displacement measuring device that facilitates generation of a beat signal at a receiver, restrains costs, and is accurate and energy saving even in the case of measuring distance from a small target at a high fr...
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JP6816860B2 |
To provide a technique enabling a slope failure to be easily detected.A slope failure detection method is provided that comprises the following steps in a system comprising a plurality of beacons which are arranged on a slope being a col...
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JP6811893B2 |
A vehicle-mounted device (10) according to the present invention is included in a vehicle management system that includes a mobile device (20) that is carried by a user of a vehicle (1) and is for receiving wireless signals (40a, 40b, 40...
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JP6810673B2 |
To provide a device and program for positioning with which it is possible to accurately estimate the intensity of a radio wave irrespective of the distance from the emission source of the radio wave.A device 100 for positioning estimates...
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JP6810748B2 |
A method for controlling an object by a wireless device, the method comprising: by the wireless device: interpreting first sensor data to identify an intent gesture indicating an intent to control the object, wherein the object is within...
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JP6803185B2 |
To provide a vehicle position search system and a vehicle position search method capable of easily searching a specific vehicle among a plurality of vehicles.A vehicle position search system 100 includes each of beacons 11 - 14 installed...
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JP6800881B2 |
A system and method are described for accurately detecting a location of a wireless device. For example, one embodiment of a method comprises: collecting signal strength data indicating signal strength between a wireless device and a plu...
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JP2020193959A |
To provide a magnetic wave transmitter, a magnetic wave receiver and a magnetic wave communication system which make wideband magnetic wave communication possible using a magnetic wave in a near to middle distance range from several cm t...
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JP2020535760A |
(A) receiving a unique identifier associated with each electronic device from multiple electronic devices, (b) identifying at least one listening agent device (120) from multiple electronic devices, and ( c) A wireless electronic device ...
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JP6789649B2 |
A communication apparatus specifies a radio field intensity of a received packet, and executes processing using the radio field intensity. The apparatus receives a packet transmitted from an external apparatus, and determines a correctio...
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JP6788272B2 |
Provided are a detection method for a sound source and a detection device therefor, which are capable of accurately detecting the position of a sound source through use of measurement results of sound intensities. In the detection method...
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JP6780570B2 |
A vehicle system device is provided. The vehicle system device is used in a vehicle system that enables an in-vehicle device used in a vehicle and a mobile device carried by a user to transmit and receive a signal via a wireless communic...
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JP6775908B2 |
Each receiver (20a-20d) receives radio waves emitted from a transmitter (10) and propagated through multipath propagation, measures a reception signal intensity, and transmits reception signal intensity information to an air conditioning...
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JP6771955B2 |
An information processing apparatus which is capable of identifying an exact distance to a transmitting apparatus. A received radio wave intensity is measured when a radio wave transmitted from a transmitting apparatus via a short-range ...
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JP2020529600A |
The electronic device is configured to determine the first position of the first device (12) and the second position of the second device (14). The first and second positions are acquired using a beacon (eg, satellite) navigation system....
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JP2020165696A |
To suppress deterioration in accuracy of distance estimation due to multipath fading.A phase rotation amount is calculated for each of subcarriers by calculating a difference between a first phase difference and a second phase difference...
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JP2020159766A |
To reduce the influence of multipath by using a weak radio wave having a wide frequency band so as to realize secure distance-measuring.In a distance-measuring system of an embodiment for calculating a distance between a first device and...
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JP2020134163A |
To enable a user to control a detection object installed at a position close to the user among a plurality of detection objects installed in an object space.A mobile terminal 30 includes an electromagnetic wave reception section 34 and a...
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JP6748284B2 |
The invention relates to a device (Vor1, Vor2) and to a method for determining a distance (Ent(n)) of a first object (key) from a second object (Kfz), which distance is more current than an earlier distance (Ent(n-1)), at a time (t(n)) t...
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JP6742990B2 |
The present invention concerns a method (PR) for detecting an identifier (Id) for starting a motor vehicle (V), said motor vehicle comprising a first antenna (A1) and said identifier (Id) comprising a second antenna (A2). The method (PR)...
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JP6740980B2 |
An in-vehicle wireless communication device to be mounted on a vehicle (1) and wirelessly communicating with a mobile terminal (10) carried by a user of the vehicle, includes: a calibration information storage section (105) that stores c...
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JP6712745B6 |
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JP6716892B2 |
To provide a position information transmission system that outputs position information from indoors, and a position information transmission device that improves the accuracy of position information to be notified to a traveling informa...
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JP2020092356A |
To provide a radio terminal capable of suppressing power consumption, a control unit, and a radio communications system.The radio terminal includes: a first communication circuit for detecting a piece of reception strength information of...
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