EP1849137A1 - Electrical circuit - Google Patents
Electrical circuitInfo
- Publication number
- EP1849137A1 EP1849137A1 EP06706517A EP06706517A EP1849137A1 EP 1849137 A1 EP1849137 A1 EP 1849137A1 EP 06706517 A EP06706517 A EP 06706517A EP 06706517 A EP06706517 A EP 06706517A EP 1849137 A1 EP1849137 A1 EP 1849137A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- circuit arrangement
- signal
- user
- door
- circuit
- 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- Withdrawn
Links
- 230000002123 temporal effect Effects 0.000 claims abstract description 14
- 230000003993 interaction Effects 0.000 claims abstract description 8
- 238000012545 processing Methods 0.000 claims abstract description 6
- 230000009471 action Effects 0.000 claims abstract description 3
- 230000008859 change Effects 0.000 claims description 24
- 238000013475 authorization Methods 0.000 claims description 7
- 238000001514 detection method Methods 0.000 claims description 4
- 238000012546 transfer Methods 0.000 claims description 4
- 230000000694 effects Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 3
- 230000004048 modification Effects 0.000 abstract 3
- 238000012986 modification Methods 0.000 abstract 3
- 238000004458 analytical method Methods 0.000 abstract 1
- 238000013459 approach Methods 0.000 description 5
- 230000004913 activation Effects 0.000 description 2
- 239000003990 capacitor Substances 0.000 description 2
- 239000004020 conductor Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 239000000499 gel Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000012811 non-conductive material Substances 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 238000007781 pre-processing Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
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
- B60R25/246—Means to switch the anti-theft system on or off using electronic identifiers containing a code not memorised by the user characterised by the challenge triggering
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B81/00—Power-actuated vehicle locks
- E05B81/54—Electrical circuits
- E05B81/64—Monitoring or sensing, e.g. by using switches or sensors
- E05B81/76—Detection of handle operation; Detection of a user approaching a handle; Electrical switching actions performed by door handles
- E05B81/78—Detection of handle operation; Detection of a user approaching a handle; Electrical switching actions performed by door handles as part of a hands-free locking or unlocking operation
-
- 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
- B60R2325/101—Bluetooth
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B81/00—Power-actuated vehicle locks
- E05B81/54—Electrical circuits
- E05B81/64—Monitoring or sensing, e.g. by using switches or sensors
- E05B81/76—Detection of handle operation; Detection of a user approaching a handle; Electrical switching actions performed by door handles
- E05B81/77—Detection of handle operation; Detection of a user approaching a handle; Electrical switching actions performed by door handles comprising sensors detecting the presence of the hand of a user
-
- 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
- G07C2009/00365—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 in combination with a wake-up circuit
- G07C2009/00373—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 in combination with a wake-up circuit whereby the wake-up circuit is situated in the lock
-
- 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
- G07C2209/64—Comprising locating means for detecting the position of the data carrier, i.e. within the vehicle or within a certain distance from the vehicle using a proximity sensor
-
- 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
- G07C2209/65—Comprising locating means for detecting the position of the data carrier, i.e. within the vehicle or within a certain distance from the vehicle using means for sensing the user's hand
Definitions
- the invention is directed to an electrical circuit arrangement for generating or. Taking a decisive for the effective locking state of a door system, in particular motor vehicle door output signal or switching state.
- the invention is directed to a circuit arrangement for generating an output signal based on a signal processing oriented on the acquisition of intentional characteristics.
- door systems are known in which the relevant for the determination of the locking state signals are coupled in contact with components of the door system, in particular the door handle in these components and thus are available for further evaluation.
- the latter systems make it possible, for example, to open a door without the need for an active operation of a remote control, in particular remote control key.
- the problem may arise that u .U. if an authorized user approximates the door system accordingly, the locking state is changed without this being prompted, desired or permitted by the user.
- tamper-proof signal processing procedures, as well as the activation of the mechatronic Systems such as opening mechanisms and actuators
- Lock state can lead and thus include comfort losses.
- the object of the invention is to provide a circuit arrangement which makes it possible to provide an output signal which is decisive for the locking state of a door system, the generation of which takes account of the intentions of a user or the current situation in an improved manner.
- this object is achieved by an electrical circuit arrangement for generating an output signal or switching state that is decisive for determining the locking state of a door system, this circuit arrangement including door-side system components which include door-side means for detection of electrical interactions in connection with an action, in particular movement of a user in the surrounding area of the door system, in particular in the vicinity of a door handle, and the circuit arrangement is designed such that it analyzes changes in their interactions with respect to particular temporal signal change patterns and the fact whether certain temporal signal change patterns are present in the further electronic signal processing for determining the locking state is taken into account.
- the circuit arrangement is configured such that the temporal signal change pattern reflects a change in the field electrical properties of the surrounding area of a door handle device.
- the circuit so that the field-electrical properties are detected by frequency change of a resonant circuit in which the door handle device is integrated in which the ambient conditions of the door handle device, in particular , are frequency-significant as a dielectric.
- the circuit is also advantageously accomplished so that upon fulfillment of at least one pattern criterion of the temporal signal change pattern, a wake-up signal is generated by the door-side system components, to activate a user-leading key circuit.
- an authorization proof key circuit can be done so that a certain signal transfer is handled in the context of a preprocessing, and a decisive for the change of the locking state signal transfer in the context of an introduced by the signal change pattern second dialogue phase takes place.
- this can be a comprehensive, a proof of authorization serving dialogue between the door-side system and the user-side system, whereas in the context of the second dialogue phase, a final alignment between the information content of a user provided by the signal provided with a door system side control information.
- the object stated at the outset is also achieved by a circuit arrangement for generating an output signal or switching state relevant to the locking state of a door system, this circuit arrangement comprising door-side system components and user-side system components, the door-side components including means for detection on the part of the user-side circuit provided signal events, and the circuit arrangement is designed such that it detects changes in characteristics of the user-provided signals due to user-side movement, and the circuit arrangement is further configured such that it detects by j ene changes detected, whether these to change the locking state relevant criteria fulfill.
- the temporal intensity profile of the signal intensity is taken into account. This consideration can be done by the temporal intensity curve must meet certain intensity pattern criteria.
- the signals may be provided by the user-side circuitry based on field-electrical interaction effects.
- the signals are transmitted by the user side leading circuit only in the wake of a wake-up event.
- the wake-up event can be tapped via a high-impedance signal input in the user-side circuit device without this requiring a power-consuming pre-activation of the user-side circuit.
- the user-side circuit device can reach a state in where it generates a signal event suitable for proof of authorization.
- the wake-up event is preferably generated by an electrode device provided on the door system side.
- the wake-up event can be generated on the door system side, as a signal event with an information content (FSK, ASK ..) that can be detected by the user to be guided to the circuit device.
- the corresponding response signal can also be generated so that it carries a relatively high information content.
- the invention is compatible with the mechanical components provided in conventional door handles and in particular works with door handles made of metal and plastic or wood. In door handles made of non-conductive materials, a wire or other conductor can be introduced with little effort.
- Conductive paint jobs or gels and other conductive liquids are also useful as a sensor input element.
- the sensor input element eg a wire
- FIG. 1 shows a first exemplary circuit arrangement
- FIG. 1 is a functional diagram
- a stable oscillator provides a square wave at a digital output with, for example, 100 kHz.
- This signal (fl) is fed to an input of an exclusive OR (XOR).
- XOR exclusive OR
- a second oscillator is constructed whose frequency-determining element consists of a resistor and a small capacitor (approximately 1 pF). The output of this oscillator should also be digital and lead to the second input of the XOR (f2).
- a low-pass filter connected, for example, has a transmittance of about 10 kHz (0-10 kHz).
- the capacitor Cl of the second oscillator is connected at one end to ground, connected at the other with the frequency-determining resistor Rl. At this point, the sensor element of the handle is turned on. When an additional capacitance, for example a human hand, is brought into the vicinity of this sensor, the total capacity of the oscillator 2 increases and its frequency decreases.
- Oscillator 2 is set to 101 kHz, so that at the output of the voltage applied to the XOR low pass resulting from the mixture low frequency of 1 kHz can be measured.
- the oscillator 2 When approaching a hand to the sensor element, an additional capacitance Cx, the oscillator 2 causes to lower its frequency. If this reaches 100 kHz, then the difference between the oscillator 1 is equal to zero, which can also be tapped off as a zero level at the low pass. This point should be set so that it happens just when the hand is close enough to the grip to be able to enclose it. If the grip is now further enclosed, the capacitance of oscillator 2 again increases, so that the frequency 2 2 is lower than that of the stable oscillator 1, for example 98 kHz. This has the consequence that at the output of the low-pass a frequency change from zero to 2 kHz is observed.
- the approach of the hand to a handle initially produces a mixing frequency of 1 kHz to zero and then from zero to over 2 kHz. Only when an activated logic detects such a frequency change, a safe opening intention can be determined.
- the frequency 2 2 changes so much due to the now high capacitance Cx on the oscillator 2 that a very high mixing frequency arises.
- the sensor element can easily distinguish between approach, enclosure and touch of a handle safely.
- the slightly higher frequency of the oscillator 2 (here, for example, 1 kHz) in its initial position can be used on the one hand to constantly detect the correct operation of the sensor (monitor) and on the other hand it can compensate for ambient drift (temperature, humidity, etc be made by a control circuit ensures that with little deviation, the frequency is always adjusted.
- the circuit of Figure 1 is connected to a metallic door handle. A hand is then brought in the vicinity of the door handle, as if you want to enclose this below.
- the output frequency on the low pass is now set to zero.
- the fundamental frequency at the output of the low-pass filter can be measured.
- this frequency drops to zero and rises again when the handle is enclosed.
- An intention to open is recognizable by the typical time change of the frequency occurring when the hand approaches, before the door handle is actually touched.
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE200520001566 DE202005001566U1 (en) | 2005-01-31 | 2005-01-31 | Electrical circuit arrangement |
PCT/EP2006/000824 WO2006082022A1 (en) | 2005-01-31 | 2006-01-31 | Electrical circuit |
Publications (1)
Publication Number | Publication Date |
---|---|
EP1849137A1 true EP1849137A1 (en) | 2007-10-31 |
Family
ID=34895706
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP06706517A Withdrawn EP1849137A1 (en) | 2005-01-31 | 2006-01-31 | Electrical circuit |
Country Status (5)
Country | Link |
---|---|
US (1) | US7868746B2 (en) |
EP (1) | EP1849137A1 (en) |
DE (1) | DE202005001566U1 (en) |
ES (1) | ES2646322T3 (en) |
WO (1) | WO2006082022A1 (en) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8643469B2 (en) * | 2007-03-05 | 2014-02-04 | Kaba Ag | Access control system, and closing mechanism |
DE102007011718A1 (en) * | 2007-03-10 | 2008-09-11 | Schaeffler Kg | Rolling bearings, in particular ball roller bearings |
US11315441B2 (en) * | 2009-04-28 | 2022-04-26 | Yuugengaisha Seiwadental | Organ model |
DE102011103406B4 (en) * | 2011-06-06 | 2015-03-26 | Brose Fahrzeugteile Gmbh & Co. Kommanditgesellschaft, Hallstadt | Adjustment device for a vehicle |
US9298333B2 (en) | 2011-12-22 | 2016-03-29 | Smsc Holdings S.A.R.L. | Gesturing architecture using proximity sensing |
EP2811469B1 (en) * | 2013-06-06 | 2020-12-30 | BKS GmbH | Closing device |
FR3007876B1 (en) * | 2013-06-28 | 2016-09-16 | Continental Automotive France | METHOD FOR PROCESSING PRESENCE SIGNAL IN A FREE HAND ACCESS SYSTEM OF A CAPACITIVE SENSOR VEHICLE |
FR3044146A1 (en) * | 2015-11-25 | 2017-05-26 | Continental Automotive France | METHOD FOR DETECTING INTENTION OF LOCKING OR UNLOCKING A VEHICLE'S VEHICLE DOOR BY A USER AND ASSOCIATED DEVICE |
KR102194887B1 (en) * | 2017-02-17 | 2020-12-24 | 콘티넨탈 오토모티브 프랑스 | Method and associated apparatus for detecting user's intention to lock or unlock a car door |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4758735A (en) * | 1986-09-29 | 1988-07-19 | Nartron Corporation | DC touch control switch circuit |
ITTO980452A1 (en) * | 1998-05-26 | 1999-11-26 | Elvis Sas Di Zannier Gian Carl | DEVICE AND METHOD OF DETECTION OF THE PRESENCE OF THE HUMAN BODY. |
FR2785703B1 (en) * | 1998-11-06 | 2001-05-18 | Valeo Securite Habitacle | DEVICE FOR DETECTING THE PRESENCE OF AN INDIVIDUAL AND SYSTEM FOR UNLOCKING VEHICLE OPENER (S), PARTICULARLY A MOTOR VEHICLE, INCLUDING SUCH A DEVICE |
JP2002057564A (en) * | 2000-08-11 | 2002-02-22 | Aisin Seiki Co Ltd | Human body detector |
DE10234231A1 (en) * | 2002-07-27 | 2004-02-05 | Marquardt Gmbh | Locking system for operation independent access and driving authentication of motor vehicle has control apparatus with switch input to which switch signal is provided when user operates switch for triggering authentication |
DE10305342B4 (en) * | 2003-02-10 | 2005-03-17 | Ident Technology Ag | Method and device for safeguarding hazardous areas |
ES2315523T3 (en) * | 2002-08-15 | 2009-04-01 | Ident Technology Ag | DEVICE FOR SELECTIVE GENERATION OF SWITCHING SIGNS. |
JP4196172B2 (en) * | 2003-01-10 | 2008-12-17 | オムロン株式会社 | Detection device and lock control device |
US6873200B2 (en) * | 2003-08-01 | 2005-03-29 | Rohde & Schwarz Gmbh & Co. Kg | Electronic switch |
DE10336335B4 (en) * | 2003-08-08 | 2015-03-12 | Huf Hülsbeck & Fürst Gmbh & Co. Kg | Locking device for vehicles |
-
2005
- 2005-01-31 DE DE200520001566 patent/DE202005001566U1/en not_active Expired - Lifetime
- 2005-08-25 ES ES05018533.9T patent/ES2646322T3/en active Active
-
2006
- 2006-01-31 EP EP06706517A patent/EP1849137A1/en not_active Withdrawn
- 2006-01-31 WO PCT/EP2006/000824 patent/WO2006082022A1/en active Application Filing
-
2007
- 2007-07-31 US US11/831,067 patent/US7868746B2/en not_active Expired - Fee Related
Non-Patent Citations (2)
Title |
---|
None * |
See also references of WO2006082022A1 * |
Also Published As
Publication number | Publication date |
---|---|
ES2646322T3 (en) | 2017-12-13 |
DE202005001566U1 (en) | 2005-08-25 |
WO2006082022A1 (en) | 2006-08-10 |
US20080024312A1 (en) | 2008-01-31 |
US7868746B2 (en) | 2011-01-11 |
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Legal Events
Date | Code | Title | Description |
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PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
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17P | Request for examination filed |
Effective date: 20070831 |
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AK | Designated contracting states |
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RIN1 | Information on inventor provided before grant (corrected) |
Inventor name: RICHTER, WOLFGANG |
|
DAX | Request for extension of the european patent (deleted) | ||
17Q | First examination report despatched |
Effective date: 20090616 |
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RAP1 | Party data changed (applicant data changed or rights of an application transferred) |
Owner name: IDENT TECHNOLOGY AG |
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RAP1 | Party data changed (applicant data changed or rights of an application transferred) |
Owner name: MICROCHIP TECHNOLOGY GERMANY GMBH |
|
RIC1 | Information provided on ipc code assigned before grant |
Ipc: E05B 65/00 20060101AFI20170509BHEP |
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GRAP | Despatch of communication of intention to grant a patent |
Free format text: ORIGINAL CODE: EPIDOSNIGR1 |
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INTG | Intention to grant announced |
Effective date: 20170613 |
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GRAS | Grant fee paid |
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18D | Application deemed to be withdrawn |
Effective date: 20190801 |