EP3433836A1 - Système d'accès sans clé pour véhicule automobile et procédé de localisation d'un générateur de signal du système d'accès - Google Patents

Système d'accès sans clé pour véhicule automobile et procédé de localisation d'un générateur de signal du système d'accès

Info

Publication number
EP3433836A1
EP3433836A1 EP17703393.3A EP17703393A EP3433836A1 EP 3433836 A1 EP3433836 A1 EP 3433836A1 EP 17703393 A EP17703393 A EP 17703393A EP 3433836 A1 EP3433836 A1 EP 3433836A1
Authority
EP
European Patent Office
Prior art keywords
motor vehicle
field strength
signal
position data
keyless entry
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP17703393.3A
Other languages
German (de)
English (en)
Inventor
Stefan Hermann
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Continental Automotive GmbH
Original Assignee
Continental Automotive GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Continental Automotive GmbH filed Critical Continental Automotive GmbH
Publication of EP3433836A1 publication Critical patent/EP3433836A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R25/00—Fittings or systems for preventing or indicating unauthorised use or theft of vehicles
    • B60R25/20—Means to switch the anti-theft system on or off
    • B60R25/24—Means to switch the anti-theft system on or off using electronic identifiers containing a code not memorised by the user
    • B60R25/245—Means to switch the anti-theft system on or off using electronic identifiers containing a code not memorised by the user where the antenna reception area plays a role
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R25/00—Fittings or systems for preventing or indicating unauthorised use or theft of vehicles
    • B60R25/01—Fittings or systems for preventing or indicating unauthorised use or theft of vehicles operating on vehicle systems or fittings, e.g. on doors, seats or windscreens
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R25/00—Fittings or systems for preventing or indicating unauthorised use or theft of vehicles
    • B60R25/20—Means to switch the anti-theft system on or off
    • B60R25/24—Means to switch the anti-theft system on or off using electronic identifiers containing a code not memorised by the user
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S11/00—Systems for determining distance or velocity not using reflection or reradiation
    • G01S11/02—Systems for determining distance or velocity not using reflection or reradiation using radio waves
    • G01S11/06—Systems for determining distance or velocity not using reflection or reradiation using radio waves using intensity measurements
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S19/00—Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
    • G01S19/01—Satellite radio beacon positioning systems transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
    • G01S19/13—Receivers
    • G01S19/14—Receivers specially adapted for specific applications
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S19/00—Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
    • G01S19/38—Determining a navigation solution using signals transmitted by a satellite radio beacon positioning system
    • G01S19/39—Determining a navigation solution using signals transmitted by a satellite radio beacon positioning system the satellite radio beacon positioning system transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
    • G01S19/42—Determining position
    • G01S19/51—Relative positioning
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S5/00—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations
    • G01S5/02—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations using radio waves
    • G01S5/0205—Details
    • G01S5/0226—Transmitters
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S5/00—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations
    • G01S5/02—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations using radio waves
    • G01S5/0273—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations using radio waves using multipath or indirect path propagation signals in position determination
    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
    • G07C9/00—Individual registration on entry or exit
    • G07C9/00174—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys
    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
    • G07C9/00—Individual registration on entry or exit
    • G07C9/00174—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys
    • G07C9/00309—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated with bidirectional data transmission between data carrier and locks
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R2325/00—Indexing scheme relating to vehicle anti-theft devices
    • B60R2325/10—Communication protocols, communication systems of vehicle anti-theft devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R2325/00—Indexing scheme relating to vehicle anti-theft devices
    • B60R2325/10—Communication protocols, communication systems of vehicle anti-theft devices
    • B60R2325/101—Bluetooth
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R2325/00—Indexing scheme relating to vehicle anti-theft devices
    • B60R2325/20—Communication devices for vehicle anti-theft devices
    • B60R2325/205—Mobile phones
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S5/00—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations
    • G01S5/02—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations using radio waves
    • G01S5/0284—Relative positioning
    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
    • G07C2209/00—Indexing scheme relating to groups G07C9/00 - G07C9/38
    • G07C2209/60—Indexing scheme relating to groups G07C9/00174 - G07C9/00944
    • G07C2209/63—Comprising locating means for detecting the position of the data carrier, i.e. within the vehicle or within a certain distance from the vehicle

Definitions

  • the invention relates to a keyless entry system for a motor vehicle, comprising a portable signal generator for accessing one or more doors or flaps of the vehicle, which transmits an enable signal to a vehicle-mounted receiving unit by means of a short-range radio link, wherein the receiving unit access allowed to one or more doors or flaps, if the validity of the release signal detected and a distance criterion representing a distance measure between the signal generator and the motor vehicle, is met.
  • the invention further relates to a method for locating a portable signal transmitter of such a keyless entry system for a motor vehicle.
  • Keyless entry systems are e.g. Used in motor vehicles to make it difficult for unauthorized persons to access or intrusion into the vehicle or even to completely prevent legitimate access.
  • the access for authorized persons should be as simple as possible, as is the case when dealing with conventional keys.
  • a passive keyless is known to ⁇ gear system.
  • This comprises a portable signal transmitter having a sensor for transmitting a coded encoder signal.
  • the encoded encoder signal includes a clock code with a receiver associated with the vehicle.
  • the receiver has an antenna to receive the coded transmitter signal when the portable transmitter is within a certain range around the vehicle.
  • the receiver contains control means for decoding the encoder signal and activating certain functions, namely the opening or closing of the vehicle doors.
  • Such functions may, for example, be a comfort closing of windows and / or a sunroof of the motor vehicle with the aid of the signal generator.
  • the Ny ⁇ fernung is selected such that an observation of the vehicle by the signal transmitter operable person is ensured.
  • the passive access to the vehicle can be carried out, for example, by means of a short-range radio connection, for example based on the Bluetooth standard, between the vehicle and the mobile telephone. Due to the higher frequencies in the gigahertz range and the propagation as an electric field, the determination of the RF field strength (RF, RSSI - Received Signal Strength Indicator) can not determine sufficient accuracy of the distance between the mobile phone as a signal generator and the vehicle. This is because the RF field strength in the second power depends on the distance.
  • the invention proposes a keyless entry system for an automotive vehicle in front, which comprises a portable signaling device for accessing one or more doors or flaps of the vehicle, which transmits an enable signal to a housed on the motor vehicle at ⁇ receiving unit by means of a short-range radio link, wherein the receiving unit to Access to one or more doors or flaps permitted if the validity of the release signal detected and a Ab ⁇ criteria criterion that represents a distance measure between the signal generator and the motor vehicle, is met.
  • the distance criterion results from a comparison of a weighted reception field strength of the short-range radio link between the signal generator and the receiving unit with a threshold value.
  • Short-range radio links are to be understood as meaning radio links which use frequencies in a frequency range between 900 MHz and 2.5 GHz.
  • Functions that use LF field strengths are also used in RF communication channels. These are, for example, the closing of windows and / or a sunroof with the aid of the signal generator. "
  • the portable signal generator is a mobile terminal.
  • the mobile terminal is in particular a Mobilfun ⁇ kend réelle, such as a smartphone. Such a mobile terminal is not only able to communicate with the receiving unit of the
  • any mobile terminal can be used as a signal generator, which has on the one hand an interface for short-range radio communication with the receiving unit of the motor vehicle, and on the other hand is able to perform a position determination.
  • the reception field strength of a signal emitted by the signal generator can be determined by the receiving unit.
  • the reception field strength is also as "Received Signal Strength Indicator” (RSSI) is known, which is an indicator of the reception field strength of wireless commu ⁇ nikationsanengineen.
  • RSSI Received Signal Strength Indicator
  • the determination of the reception field strength is known from mobile telephones, in which this indicator is used to a usable for communication Since the measurement of the received field strength is known to the person skilled in the art, a detailed description of the determination in this description is dispensed with In the present keyless entry system, the reception field strength is determined by the receiving unit as described.
  • the reception field strength is provided with a ⁇ From state value, that is weighted on a determined distance between the transducer and the motor vehicle.
  • the distance value may be calculated from first position data of the signaler and second position data of the vehicle, the first and second position data being based on propagation time differences of signals from multiple satellites to a respective Global Navigation Satellite System (GNSS) receiver.
  • GNSS Global Navigation Satellite System
  • range differences are proportional to the time differences. In practice, this results in inaccuracies, because the signal speed too the satellite varies slightly in time and space.
  • the orbits and clock errors of the satellite are not known exactly to the receiver.
  • the influence of these effects for closely adjacent receivers, ie the vehicle and the signal generator are exactly the same, so that the position difference can be accurately measured.
  • a precise determination of the distance value is possible.
  • the signal transmitter can comprise a GNSS receiver, by means of which the first position data and the second position data can be determined at different times.
  • the position of the vehicle can be stored by the measurement of the signal generator when switching off the engine for later use. The position of the signal generator can then be determined at a different time when the keypad is used to activate a specific function of the keyless entry system, the distance of which is required for the execution thereof.
  • This embodiment allows the determination of the distance value even if the vehicle does not have its own GNSS receiver or this, for example due to unfavorable circumstances, such as. Parking in a parking garage, temporarily not functional.
  • the signal transmitter a GNSS receiver, by the first position data of the signal transmitter are determined, and the force ⁇ vehicle includes a GNSS-receiver, through which the second position data of the motor vehicle can be determined.
  • the position data of both the vehicle and the signal generator by different
  • the GNSS receiver detected.
  • the accuracy of the positi ⁇ onsbeées and thus the determination of the distance value si ⁇ cherouche is, as similar to a differential global positioning system (Differential Global Positioning System, DGPS) due to the small distance of the motor vehicle and signal generator to each other measurement errors are eliminated.
  • DGPS Different Global Positioning System
  • the signal transmitter transmits the position data determined by it to the motor vehicle to evaluate the determination of the distance value.
  • the measured field strength RS SI is a logarithmic Dar ⁇ position of the field strength
  • the weighted reception ⁇ field strength RS S Ig e wi c h tet the measured reception field strength RS SI, minus the logarithm of the distance value logio (distance value), that is RS S Icludeet RS SI - 1ogio (distance value).
  • the distance ⁇ criterion is obtained as a binary variable.
  • the distance criterion thus only makes a statement as to whether the distance to perform a particular function of the keyless entry system is small enough, ie can be executed or not. An absolute distance is not provided by this method.
  • the receiving unit and the signal transmitter comprise communication interface ⁇ according to the standard 802.15 Bluetooth, wherein the Kom ⁇ communication between the receiving unit and the portable signal generator via this communication interface takes place.
  • the use of Bluetooth is preferred since it is widely used in signal devices designed as mobile terminals. In principle, however, other short-range radio standards can be used.
  • the invention further proposes a method for locating a portable signal transmitter of a keyless entry system for a motor vehicle, wherein the portable signal transmitter is used to access one or more doors or flaps of the vehicle.
  • a reception field strength of a signal emitted by the portable signal transmitter is measured over a short-range radio link by a receiver unit mounted on the motor vehicle.
  • the measured Emp ⁇ fang field strength is weighted. From a comparison of ge ⁇ weighted reception field strength of the short range radio link between the signal generator and the receiving unit with a threshold value, a distance criterion is determined.
  • the reception field strength is weighted in particular with a distance value between the signal generator and the motor vehicle.
  • the distance value is calculated from first position data of the signal generator and second position data of the vehicle, wherein the first and the second position data are based on transit time differences of signals from a plurality of satellites to a respective GNSS receiver.
  • Fig. 1 is a schematic representation of an embodiment of a keyless invention
  • the access system 1 is used to access one or more doors or flaps, not shown in detail in FIG. 1, or the start of a motor vehicle 10, not shown in detail.
  • the keyless entry system 1 further comprises one portable signal transmitter 20, in the form of a mobile terminal 21 is present.
  • the mobile terminal 21 may be, for example, a mobile terminal, such as a smartphone. This includes, for example in a manner typical for smartphones, a display 23 and an input means 24 in the form of one or more keys.
  • any other mobile electronic device can be used as a mobile terminal 21, provided that it has the interfaces and properties described below.
  • the mobile terminal 21 has a communication ⁇ interface 26, which is designed for the transmission of data over a short range.
  • the communication interface ⁇ point 26 may be formed, for example, as a Bluetooth interface.
  • the mobile station has a GNSS receiver 25, with the aid of which the mobile terminal can perform a position determination based on propagation time differences of the signals from multiple satellites. As is known to the person skilled in the art and will therefore not be explained in more detail in the position determination, it is assumed that range differences are proportional to the time differences.
  • this further includes a further communication interface 27 such. B. based on the known GSM or UMTS standards. However, since this communication interface 27 is irrelevant to the present invention, this and other functions of the mobile terminal will not be discussed in more detail.
  • the motor vehicle 10 not shown in detail has a receiving unit 11 with a communication ⁇ interface 12 for short-range communication (eg.
  • a computing unit 13 connected to the communication interface 12 for processing the signals received from the communication interface 12 and for providing signals which are to be transmitted via the communication interface 12.
  • a computing unit 13 connected to the communication interface 12 for processing the signals received from the communication interface 12 and for providing signals which are to be transmitted via the communication interface 12.
  • the catching unit 11 is, for example, a
  • the receiving unit has a means for determining the reception field strength 14 of a signal transmitted by the mobile terminal 21.
  • the vehicle 10 has an optional GNSS receiver.
  • the means 14 measures the RF field strength (RSSI) of the signal transmitted by the mobile terminal 21.
  • RSSI RF field strength
  • a distance value, ie a distance, between the mobile terminal 21 and the motor vehicle 10 is determined. This can be done by determining and clearing the positions of the respective GNSS receivers 15 of the motor vehicle 10 and 25 of the mobile terminal 21. Since the position determination with the aid of several satellites is known from the prior art, this is not detailed here.
  • the determined position of the mobile terminal 21 can be transmitted for determining the distance value on the Kommunikati ⁇ onspfad Kl to the receiving unit. 11
  • the position determination of the motor vehicle 10 can also be carried out with the aid of the mobile terminal 11.
  • a position is determined, for example when switching off the engine of the motor vehicle, wherein the determined at this time Po ⁇ position is stored for later use.
  • the mobile terminal 21 at the time of turning off the engine of the motor vehicle 20 is located in the motor vehicle 10 and thus corresponds to the position of the motor vehicle 10.
  • the position is then determined by the mobile terminal 21 and the position tion value via the communication path Kl to the receiving unit 12 of the motor vehicle 10 transmitted.
  • the measured field strength RSSI is weighted with the distance value (ie the distance between the motor vehicle 10 and the mobile terminal 21).
  • the weighted field intensity RSSI wt i c h tet is used for the qualitative determination of distance. For this purpose, for example, a comparison with a before, for example by
  • Motor vehicle transmitted signal to perform a be ⁇ voted function such as the closing of a window or sunroof of the motor vehicle 10 lead.
  • keyless entry systems are understood to be such access systems that use LF frequencies as part of their communication.
  • the described procedure for determining the ex ⁇ stand value, the accuracy of GNSS measurement is taken into account in the process.
  • the determined vehicle position and the distance of the mobile terminal to the vehicle can also be used for other functions, such as a vehicle search.
  • Reference sign list

Landscapes

  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Lock And Its Accessories (AREA)
  • Telephone Function (AREA)
  • Position Fixing By Use Of Radio Waves (AREA)
  • Selective Calling Equipment (AREA)

Abstract

L'invention concerne un système d'accès sans clé (1) destiné à un véhicule automobile (10), comprenant un générateur de signal portable (20) destiné à l'accès à une ou plusieurs portes ou des volets du véhicule automobile (10). Le générateur de signal (20) transmet un signal de libération à une unité de réception (11), montée sur le véhicule automobile (10), au moyen d'une liaison radio à courte portée. L'unité de réception (11) permet d'accéder à une ou plusieurs portes ou volets lorsque la validité du signal de libération est détectée et qu'un critère de distance, qui représente une mesure de distance entre le générateur de signal (20) et le véhicule automobile (10), est satisfait. Le critère de distance est le résultat d'une comparaison d'une intensité de champ de réception pondérée de la liaison radio à courte portée entre le générateur de signal (20) et l'unité de réception (11) avec une valeur de seuil.
EP17703393.3A 2016-03-23 2017-02-02 Système d'accès sans clé pour véhicule automobile et procédé de localisation d'un générateur de signal du système d'accès Withdrawn EP3433836A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102016204838.4A DE102016204838B4 (de) 2016-03-23 2016-03-23 Schlüsselloses Zugangssystem für ein Kraftfahrzeug und Verfahren zur Ortung eines Signalgebers des Zugangssystems
PCT/EP2017/052303 WO2017162359A1 (fr) 2016-03-23 2017-02-02 Système d'accès sans clé pour véhicule automobile et procédé de localisation d'un générateur de signal du système d'accès

Publications (1)

Publication Number Publication Date
EP3433836A1 true EP3433836A1 (fr) 2019-01-30

Family

ID=57965939

Family Applications (1)

Application Number Title Priority Date Filing Date
EP17703393.3A Withdrawn EP3433836A1 (fr) 2016-03-23 2017-02-02 Système d'accès sans clé pour véhicule automobile et procédé de localisation d'un générateur de signal du système d'accès

Country Status (6)

Country Link
US (1) US10343651B2 (fr)
EP (1) EP3433836A1 (fr)
JP (1) JP6605754B2 (fr)
KR (1) KR102170836B1 (fr)
DE (1) DE102016204838B4 (fr)
WO (1) WO2017162359A1 (fr)

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KR102146893B1 (ko) 2018-12-07 2020-08-21 주식회사 원키 음파 통신을 이용하는 차량 개폐 시스템 및 그의 제어방법
KR102125940B1 (ko) 2018-12-07 2020-06-23 주식회사 원키 주차 보조 센서(pas) 또는 스마트 주차 보조 시스템(spas)을 음파 통신에 이용하기 위한 모듈
KR102106288B1 (ko) 2018-12-07 2020-05-04 주식회사 원키 운전석 주변에 모듈 형태로 장착되는 음파 통신을 이용한 차량 개폐 시스템
KR102146889B1 (ko) 2018-12-07 2020-08-21 주식회사 원키 음파의 도달 시간과 삼각 측위를 이용하여 차량과 스마트폰 사이의 거리 또는 각 좌표를 계산하는 방법 및 장치
KR102146891B1 (ko) 2018-12-07 2020-08-21 주식회사 원키 스피커의 위치가 일직선이 아님을 고려하여 음파의 도달 시간과 삼각 측위를 이용하여 차량과 스마트폰 사이의 거리 또는 각 좌표를 계산하는 방법 및 장치
KR102191758B1 (ko) 2019-12-10 2020-12-16 주식회사 원키 음파 통신을 이용한 차량 개폐 시스템에서 운전자가 차량의 내부 또는 외부에 위치함을 판별하는 방법 및 시스템

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WO2017162359A1 (fr) 2017-09-28
JP6605754B2 (ja) 2019-11-13
US20190061690A1 (en) 2019-02-28
KR20180115783A (ko) 2018-10-23
KR102170836B1 (ko) 2020-10-27
US10343651B2 (en) 2019-07-09
JP2019519752A (ja) 2019-07-11
DE102016204838B4 (de) 2020-01-23
DE102016204838A1 (de) 2017-09-28

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