WO2016180583A1 - Schlüssel-ortung - Google Patents
Schlüssel-ortung Download PDFInfo
- Publication number
- WO2016180583A1 WO2016180583A1 PCT/EP2016/057657 EP2016057657W WO2016180583A1 WO 2016180583 A1 WO2016180583 A1 WO 2016180583A1 EP 2016057657 W EP2016057657 W EP 2016057657W WO 2016180583 A1 WO2016180583 A1 WO 2016180583A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- key
- locating
- motor vehicle
- signal
- vehicle
- Prior art date
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
- B60R25/209—Remote starting of engine
-
- 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
-
- 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
-
- 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
-
- 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
-
- 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
- G07C2009/00753—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated by active electrical keys
- G07C2009/00769—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated by active electrical keys with data transmission performed by wireless means
-
- 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 methods and devices for locating a key, in particular by means of an RF radio link for passive entry systems for a motor vehicle.
- An object of the invention is to optimize a locating device for a key for a motor vehicle in particular.
- the object is achieved in each case by the subject matters of the independent patent claims. Some particularly before ⁇ some embodiments of the invention are specified in the dependent claims and the description.
- Embodiments of the invention can be used as alternatives to existing solutions made also an efficient and / or cost-effective localization ⁇ union.
- a location of a key (for a motor vehicle) based on (the field strength of) at least one RF or RF signal of a key can advantageously dispense, for example, also with an evaluation of an LF signal.
- FIG. 1 shows a vehicle with a locating device with a transmitter and a receiver for locating a key to illustrate some of the possible embodiments of the invention.
- Fig. 2 shows a vehicle with a locating device with multiple transmitters and / or multiple receivers for locating a
- FIG. 4 shows a sequence of locating a key
- FIG. 5 shows some examples of spatial courses of field strengths in the area of a car.
- 1 shows, by way of example for embodiments of the invention, a locating module 3 of a locating device, which locating module 3 is located in a motor vehicle 80, e.g. within the interior of a motor vehicle 80, e.g. in the area of a car radio etc.,
- a locating module 5 of a locating device which is located in a key 51 outside or in a key 52 within the motor vehicle 80.
- At least one locating module 3 or 5 is due to at least one field strength measured by him at least one of
- a device (11 in Fig. 3) may be informed and make decisions based thereon, e.g. whether starting / starting the engine of the motor vehicle 8 is allowed and / or caused, whether an opening of a door of the motor vehicle is allowed and / or caused, etc.
- a key 51 is located outside of a motor vehicle, which can be determined on the basis of measured field strengths and / or temporal and / or spatial characteristics of RF signals received in at least one locating module;
- a key 52 is located at three time points t1, t2, t3 at three positions ((x52tl, y52tl, z52tl) and (x52t2, y52t2, z52t2) and (x52t3, y52t3, z52t3)) within a motor vehicle 80 due to the time points tl, t2, t3 and at the corresponding positions ((x52tl, y52tl, z52tl) and (x52t2, y52t2, z52t2) and (x52t3, y52t3, z52t3)) measured field strengths and / or (as FIG. 5 shows different) Gradients (because the key is located at three times tl, t2, t3 at different locations) can be determined by in at least one locating module 3 and 5 received RF signals.
- Fig. 2 shows an example of a further embodiment of the invention
- locating module 1, 2, 3, 4; 5 of a locating system of which locating modules 1, 2, 3, 4, 5 one or more (1, 2, 3, 4) in a motor vehicle 80 and e.g. one (5) is located in the key 51 or 52,
- Motor vehicles 80 may also communicate with one another and / or with an evaluation device, e.g., for exchanging measurement results relating to field strengths. cable-based and / or be connected by radio.
- a locator module 3 or 5 which evaluates and / or analyzes (e.g., low-pass filtered) measured field strengths and / or makes decisions, e.g. be arranged in the motor vehicle 80 and / or in the key 51, 52; a decision can also be made to another locating module or to a controller, e.g. by radio (e.g., RF).
- RF radio
- the frequency of a field Fl, F2, F3, F3; F5, F6 which sends a locating module 5 in the key 51, 52 and / or (at least) a locating module 1, 2, 3, 4 in the motor vehicle 80 is in particular ⁇ a high frequency (eg English also referred to as RF or radio frequency), eg an RF frequency and / or
- a receiving device and / or a filter etc. in (each) a locating module 1, 2, 3, 4, 5, 6 of the locating device may be provided for receiving in this frequency range; a decision (whether a key 51 or 52 is located inside or outside an interior of a vehicle 80) may be made generally or for a particular key (e.g., further identified based on identification signals) based on received field strength (s) in that frequency range.
- a measuring device 12 may in particular be a measuring device for an RF frequency and / or RF frequency and / or frequency above 300 kHz, in particular in a band around 900 MHz or 2.4 GHz (Bluetooth).
- a locating a key (for an automotive vehicle) can be determined based on (the field strength of) min ⁇ least an RF or RF signal from a positioning module 1, 2, 3, 4; Advantageously, for example, to dispense with an evaluation of an LF signal and thus also on its generation.
- a measurement of the field strength Fl, F2, F3, F4, F5, F6, in particular a so-called (eg measurable) RF_RSSI or RSSI value of at least one received RF signal can be provided.
- a data exchange e.g. concerning e.g. locating between a locating module 1, 2, 3, 4, 5 of the locating device, e.g. in a key 51, 52 or in the motor vehicle 80 and a further locating module 1, 2, 3, 4, 5 of the locating device, e.g. in a key 51, 52 or in the motor vehicle 80 may e.g. by radio via an RF frequency and / or RF frequency and / or frequency above 300 kHz, in particular in a band around 900 MHz or 2.4 GHz (Bluetooth).
- an RF connection different technologies can be used.
- An RF connection can e.g.
- the key 51; 52 also be a smartphone.
- the key 51; 52 may be any key for a motor vehicle 80, e.g. in the form of a card and / or a smartphone and / or with a mechanical key and / or with a receiver and / or transmitter for e.g. also at least one
- At least one RF link (or RF link) may be provided or evaluated, that is, without consideration or use of an LF link (e.g., to the key).
- FIG. 3 shows, schematically and simply, an example of a locating module 3 of a locating system 1, 2, 3, 4, 5 with an antenna 6 for receiving a field F1, F2 emitted from or to, for example, a key 51 located at a position; F3, F4, F5, F6, wherein with an evaluation device 7 (eg on a board, etc.
- the evaluation device 7 transmits a result 10 thereof, for example, to a device 11.
- the device 11 eg a motor vehicle locking device or door locking device, etc.
- the device 11 can be activated (10) depending on the location of a location module 3 or 5 in the motor vehicle 80 or keys 51, 52.
- Decision of the evaluation device 7 allow, for example, a start / start the engine of the motor vehicle 8 and / or cause or allow an opening of a door of the motor vehicle and / or cause, etc.
- the device 11 may be signaled to it by the evaluation device 7 as a decision (10) that a key 51 is located at (eg any) position (x51, y51, z51) located outside the motor ⁇ vehicle 80, allowing for example, a start / start the engine of the motor vehicle 80 and / or cause or prevent, and / or allow an opening of a door of the motor vehicle and / or cause or (for example, below a threshold lying measured Field strength and thus to large distance dl3 of the key 51 from the motor vehicle 80) prevent.
- a key 51 located at (eg any) position (x51, y51, z51) located outside the motor ⁇ vehicle 80, allowing for example, a start / start the engine of the motor vehicle 80 and / or cause or prevent, and / or allow an opening of a door of the motor vehicle and / or cause or (for example, below a threshold lying measured Field strength and thus to large distance dl3 of the key 51 from the motor vehicle 80) prevent.
- the device 11 when it is signaled by the evaluation device 7 as a decision (10) that a key 52 is located (eg, any) position (x52, y52) within the motor vehicle 80, eg starting / starting the engine of the
- An evaluation device of a locating device can be arranged, for example, in (only or at least) one of the locating modules 1, 2, 3, 4, 5, each having a field strength of at least one (or an entire) field F1, F2, F3, F4; Measure F5, F6 (and signal to the evaluation device), or in a further locating module of the locating device, eg also in a module in / on the car radio etc.
- An evaluation of a received at (each) a tracking module 1, 2, 3, 4 field Fl, F2, F3, F4, F5, F6 of an RF signal of a key 51 or 52 or locating module 1, 2, 3, 4 part of the Motor vehicle 80 can be done in different ways, eg at least one measured field strength of the field F (x, y) at the location (at least) of a locating module 1, 2, 3, 4; 5 of the alignment system at one or more points in time or by comparison with stored time courses, or with trajectory analyzes or by derivation etc. for a decision of the decision device 8.
- a decision device 8 for locating a key 51; 52 an analysis (e.g., by comparison or mean comparison) of a plurality of field strengths of at least one received from a key 51 determined by at least one measurement device 12 at multiple times; 52 or locating module 1, 2, 3, 4 in the motor vehicle 80 transmitted RF signal Fl, F2, F3, F4; F5; F6 (ie, a waveform) having at least one threshold S, etc.
- field strengths measured for such a dynamic location may include one or more RF signals Fl, F2, F3, F4; F5; F6 are cached in a memory 9 of a module of the alignment device 3 or 5.
- the field strength (at least) of one of a locating module 1, 2, 3, 4 in the motor vehicle 80 or (5) in the key 51; 52 is sent ⁇ signal Fl; F2, F3, F4;
- F5, F6 may be approximately square with the distance of a receiver 1/2/3/4 of the signal Fl, F2, F3, F4; F5; F6 to the locating module 5; 1, 2, 3, 4 decrease and / or have other courses on obstacles.
- Receiver be closed. Also, from the field strength F2 of the signal received at a receiver at a locating module 1/2/3/4 respectively to the distance d21, d22, d23, d24 of this receiver 1/2/3/4 to this signal F2 emitting key 52 or Positioning module 1, 2, 3, 4 are closed in the motor vehicle 80.
- FIG 4 shows, by way of example, a sequence of a location S1-S7 of a key 51 or 52. (For example, if necessary, the same key can also be 52 like that at position 51 but at another time, or another key.)
- a so-called polling in a so-called access zone is started by a decision device in step S1, e.g. by a radio signal (for example from at least one locating module 1, 2, 3, 4 of the locating device in FIG.
- a key 51; 52 requests (at least) to transmit an RF signal or receive an RF signal (from the motor vehicle 80) and / or at least one locator module 1, 2, 3, 4 in the motor vehicle 80 is requested to transmit an RF signal or (from the key ) to recieve.
- step S2 field strengths of one or more with at least one antenna at several times t1, t2, t3 (and thus at different positions ((x52tl, y52tl, z52tl) and (x52t2, y52t2, z52t2) and (x52t3), y52t3, z52t3)) of received RF signals in the form of RF-RSSI or HF-RSSI values measured here at several times t1, t2, t3, etc. (and buffered, for example, in a memory).
- step S3 here at several times t1, t2, t3, etc. (and thus at different positions ((x52tl, y52tl, z52tl) and (x52t2, y52t2, z52t2) and (x52t3, y52t3, z52t3), etc.) are measured RF-RSSI or HF-RSSI values regarding with one
- a decision device outputs one of the plurality of times t1, t2, t3, etc. (and thus at different positions ((x52tl, y52tl, z52tl) and (x52t2, y52t2, z52t2) and (x52t3, y52t3, z52t3 )) measured (and analyzed in step S3) RF-RSSI or RF-RSSI values and possibly based on analysis decision based on a location of a key 52, 53 made. 1
- a decision device may decide to send a signal (10 in FIG. 3) to another device (11 in FIG. 3) in step S5 indicating that the key (51, 51 in FIG. 1, 2) outside (eg the passenger compartment of the) motor vehicle (80 in Fig. 1, 2) is located (eg as a flag "loc_flag ID outside").
- filtered RF-RSSI or RF-RSSI values e.g. at several points in time t1, t2, t3 (and thus at different positions ((x52tl, y52tl, z52tl) and (x52t2, y52t2, z52t2) and (x52t3, y52t3, z52t3)) or their mean value or low-pass filtering etc.
- a decision device may decide, in step S6, the last decision where the key 51; 52 was to be maintained and / or to send a signal (10 in Fig. 3) to another device (11 in Fig. 3) indicating that the last decision where the key 51; 52 was maintained (inside or outside (e.g., the passenger compartment) of the motor vehicle).
- a Decide decision device in step S7 a signal (10 in Fig. 3) to another device (11 in Fig. 3) to send, indicating that the key (51, 51 in Fig. 1, 2) within (eg the passenger compartment) of the motor vehicle (80 in Fig. 1, 2) is located (eg as "flag" loc_flag ID inside ").
- a decision device 8 can also take into account at least an analysis of an acceleration of the object to be located (51; 52), in particular key (51; 52) measured in the object to be located,
- FIG. 5 shows some examples of spatial characteristics of field strengths F (of locating modules 1, 2, 3, 4 or 5 of transmitted signals in the area of motor vehicles 80, top left in FIG
- Top view from the top on a motor vehicle 8080 top center view from behind on a rear of a motor vehicle 80, top right a view from one side to a side of a motor vehicle 80, top left in plan view from above on a motor vehicle 80 (not shown of the motor vehicle), top center view from behind on a rear of a power ⁇ vehicle 80 (without representation of the motor vehicle), top right view from one side to a side of a motor vehicle 80 (without representation of the motor vehicle).
- FIG. 5 shows in each case with scale information by way of example upwards and rightwards in meters in directions (to the right) x and (upwards) y and (to the front / rear in motor vehicle 80) z
- Examples of spatial courses of field strengths F ie field strengths F (x, y)).
- spatially and / or temporally irregular courses of field strengths F (x, y) spatially and / or temporally multiple measurements and evaluations of field strengths F by (as in FIG. 1) one or (as in FIG. 2) several (eg, cable-based and / or radio-based connected evaluation device) locating device modules 1, 2, 3.4 make an Or ⁇ device advantageous.
- a key 52 is located at three time points t1, t2, t3 successively at the plural (here three) locations ((x52tl, y52tl, z52tl) and (x52t2, y52t2, z52t2) and (x52t3, y52t3, z52t3 ) within the vehicle 80, at which locations (and times) in each case the field strength of a plurality of RF signals Fl, F2, F3, F4 is determined.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Lock And Its Accessories (AREA)
- Position Fixing By Use Of Radio Waves (AREA)
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2017558470A JP6827957B2 (ja) | 2015-05-08 | 2016-04-07 | キーの位置特定 |
US15/572,447 US20180120411A1 (en) | 2015-05-08 | 2016-04-07 | Locating a key |
KR1020177032054A KR102100547B1 (ko) | 2015-05-08 | 2016-04-07 | 키의 위치 찾기 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102015208620.8 | 2015-05-08 | ||
DE102015208620.8A DE102015208620A1 (de) | 2015-05-08 | 2015-05-08 | Schlüssel-Ortung |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2016180583A1 true WO2016180583A1 (de) | 2016-11-17 |
Family
ID=55697211
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2016/057657 WO2016180583A1 (de) | 2015-05-08 | 2016-04-07 | Schlüssel-ortung |
Country Status (5)
Country | Link |
---|---|
US (1) | US20180120411A1 (de) |
JP (1) | JP6827957B2 (de) |
KR (1) | KR102100547B1 (de) |
DE (1) | DE102015208620A1 (de) |
WO (1) | WO2016180583A1 (de) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102017213375A1 (de) | 2017-08-02 | 2019-02-07 | Audi Ag | Verfahren zum Lokalisieren mindestens eines tragbaren Gerätes und Fahrzeug mit mindestens einem Impedanzwandler |
US10946833B2 (en) * | 2019-06-24 | 2021-03-16 | Volkswagen Ag | Access device localization |
JP2023049854A (ja) * | 2021-09-29 | 2023-04-10 | トヨタ自動車株式会社 | 情報処理装置、車両、端末、情報処理方法、及び情報処理プログラム |
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2015
- 2015-05-08 DE DE102015208620.8A patent/DE102015208620A1/de active Pending
-
2016
- 2016-04-07 KR KR1020177032054A patent/KR102100547B1/ko active IP Right Grant
- 2016-04-07 WO PCT/EP2016/057657 patent/WO2016180583A1/de active Application Filing
- 2016-04-07 US US15/572,447 patent/US20180120411A1/en not_active Abandoned
- 2016-04-07 JP JP2017558470A patent/JP6827957B2/ja active Active
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DE10032936A1 (de) | 2000-07-06 | 2002-02-07 | Siemens Ag | Vorrichtung und Verfahren zum Steuern einer Zugangsberechtigung und/oder einer elektronischen Wegfahrsperre für ein Kraftfahrzeug |
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Also Published As
Publication number | Publication date |
---|---|
KR102100547B1 (ko) | 2020-04-13 |
KR20170134664A (ko) | 2017-12-06 |
JP2018522213A (ja) | 2018-08-09 |
US20180120411A1 (en) | 2018-05-03 |
JP6827957B2 (ja) | 2021-02-10 |
DE102015208620A1 (de) | 2016-11-10 |
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