EP3987137A1 - Dispositif de verrouillage et/ou déverrouillage d'un ouvrant de véhicule automobile, véhicule comprenant ce dispositif et procédé de verrouillage ou de déverrouillage d'un ouvrant de véhicule automobile utilisant ce dispositif - Google Patents
Dispositif de verrouillage et/ou déverrouillage d'un ouvrant de véhicule automobile, véhicule comprenant ce dispositif et procédé de verrouillage ou de déverrouillage d'un ouvrant de véhicule automobile utilisant ce dispositifInfo
- Publication number
- EP3987137A1 EP3987137A1 EP20747016.2A EP20747016A EP3987137A1 EP 3987137 A1 EP3987137 A1 EP 3987137A1 EP 20747016 A EP20747016 A EP 20747016A EP 3987137 A1 EP3987137 A1 EP 3987137A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- locking
- detection
- unlocking
- handle
- motor vehicle
- 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.)
- Granted
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B85/00—Details of vehicle locks not provided for in groups E05B77/00 - E05B83/00
- E05B85/10—Handles
-
- 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
-
- 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
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B17/00—Accessories in connection with locks
- E05B17/10—Illuminating devices on or for locks or keys; Transparent or translucent lock parts; Indicator lights
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B79/00—Mounting or connecting vehicle locks or parts thereof
- E05B79/10—Connections between movable lock parts
- E05B79/22—Operative connections between handles, sill buttons or lock knobs and the lock unit
-
- 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
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B85/00—Details of vehicle locks not provided for in groups E05B77/00 - E05B83/00
- E05B85/10—Handles
- E05B85/14—Handles pivoted about an axis parallel to the wing
- E05B85/16—Handles pivoted about an axis parallel to the wing a longitudinal grip part being pivoted at one end about an axis perpendicular to the longitudinal axis of the grip part
Definitions
- TITLE Device for locking and / or unlocking a motor vehicle opening, vehicle comprising this device and method for locking or unlocking a motor vehicle opening using this device.
- the present invention relates to a device for locking and / or unlocking an opening of a motor vehicle.
- door opening control devices comprise a capacitive sensor intended to detect contact between a hand of a user and a predetermined detection zone in order to control unlocking or locking of the vehicle door.
- capacitive sensors are generally associated with a user identification system making it possible to identify an authorized user remotely.
- the capacitive sensors used for unlocking or locking vehicle doors sometimes present detection problems when contact between the user's hand and the detection zone does not take place under optimal detection conditions. .
- the present invention aims to overcome this drawback by proposing a locking and / or unlocking device making it possible to reliably lock or unlock a motor vehicle opening independently of the weather conditions and whether or not gloves are worn by the user.
- the present invention relates to a device for locking and / or unlocking a motor vehicle opening, the device comprising a detection wall having an internal face and an opposite external face, the external face forming a zone of contact detection, and detection means arranged against the inner face for detecting contact between a finger or a hand of a user and said outer face, wherein the detection means comprise a sensor having a layer of a piezoelectric material having surface undulations in the form of wrinkles, said layer of piezoelectric material being configured to detect a predetermined contact on the external face with a view to controlling, as a function of the predetermined contact detected, the locking or unlocking of the opening.
- the device according to the invention makes it possible to detect and identify a complex movement, of the sliding type, as well as its orientation (up, down, to the right or to the left) or tap, as well as its duration or frequency (single or double, for example), among several possible, in order to control the execution of the associated function, particularly the locking or unlocking of the opening, regardless of the weather conditions that may affect the external face (frost, rain, etc.) and regardless of whether or not gloves are worn by the user.
- the detection zone extends over a surface greater than that occupied by the layer of piezoelectric material on the internal face.
- the device comprises lighting means adjacent to the detection zone.
- the lighting means comprise a plurality of light sources configured to emit a predetermined light signal with a view to suggesting to the user the execution on the detection zone of a predetermined contact.
- the detection means are glued or overmolded on the internal face.
- the device comprises a motor vehicle door handle, and the detection wall forms part of this handle.
- the handle comprises a handle having an outer side and an opposite inner side, and the sensing wall is arranged on the outer side of the handle of the handle.
- the handle is flush with the body of the vehicle and the detection wall is arranged on the outer side of this handle.
- the device comprises a motor vehicle door post, and the detection wall is integrated into this post.
- the object of the invention is a door handle for a motor vehicle incorporating a locking and / or unlocking control device having the aforementioned characteristics.
- the subject of the invention is a motor vehicle comprising a locking and / or unlocking device having the aforementioned characteristics.
- the device can be part of a door handle. It can alternatively form part of a fixed upright of the vehicle frame, being able to be positioned, if necessary, opposite or near an opening handle.
- the subject of the invention is also a method for locking and / or unlocking an opening of a motor vehicle comprising the steps:
- the step of detecting an authorized user near the vehicle can precede or follow the step of detecting a predetermined contact on the detection zone.
- the method comprises a step of transmitting a visual signal via the lighting means.
- This step can follow the step of detecting an authorized user near the vehicle and precede the step of detecting a predetermined contact on the detection zone. It is also possible to envisage this step taking place after the step of locking or unlocking the opening.
- FIG. 1 is a perspective view of a locking and / or unlocking device according to one embodiment of the invention, fitted to a motor vehicle opening
- FIG. 2 is a semi-transparent perspective view of a locking and / or unlocking device according to one embodiment of the invention, fitted to a motor vehicle opening
- FIG. 3 is a sectional view of the locking and / or unlocking device according to FIG. 2,
- FIG. 4 is an exploded perspective view of a locking and / or unlocking device according to one embodiment of the invention, fitted to a motor vehicle opening,
- FIG. 5 is a perspective view by transparency of the detection means of a device for locking and / or unlocking a motor vehicle opening according to one embodiment of the invention.
- FIGS. 1 and 2 show a device 1 intended for locking and / or unlocking one or more opening elements, in particular one or more doors 100, of a motor vehicle.
- the device 1 is fitted to a handle 2 which can be mounted on a door 100 of a vehicle.
- the locking and / or unlocking device 1 can be fitted to a fixed part of the vehicle, for example opposite a handle 2 for an opening.
- the handle 2 comprises a frame 21 intended to be fixed to the door 100 of the vehicle, as well as a handle 23 connected to the frame 21 and intended to be gripped by a user to open the door 100.
- L 'handle 23 defines with the frame 21 an opening 25 allowing the passage of the user's fingers.
- the handle 23 has an interior side 231 facing the frame 21 and defining therewith the opening 25 for the passage of the user's fingers, as well as an exterior side 233 opposite the interior side 231.
- the handle 2 once mounted on the opening of the vehicle, may be intended to extend in a horizontal direction.
- the handle 2 can be made of plastic material and produced by plastic injection.
- the locking and / or unlocking device 1 has the advantage of operating with all types of materials, including with materials which are not transparent to waves such as metal, carbon, metallic paint, etc.
- the front and rear directions are defined with respect to the front and the rear of a motor vehicle.
- the inner / inner, outer / outer directions are set relative to the center of the vehicle, with the inner / inner direction oriented towards the center of the vehicle, while the outer / outer steering is oriented away from the center of the vehicle. vehicle, that is to say towards the outside of the vehicle.
- the locking and / or unlocking device 1 comprises a detection wall 30 and detection means fixed against this detection wall 30.
- this detection wall 30 is a wall of the door handle 2, and more precisely of the handle 23 of the handle 2. Where appropriate, the detection wall 30 is advantageously located. on the outer side 233 of this handle 23. As can be seen in FIG. 4, the handle 23 of the handle 2 can be formed of two half-shells attached to one another, including an outer shell 237 and a shell internal 236, the external shell 237 forming the detection wall 30. Thus, the detection wall 30 is accessible to the user from outside the vehicle.
- the detection wall 30 can be made of a plastic material, for example of ABS (Acrylonitrile Butadiene Styrene) or of PC-ABS (mixture of Polycarbonate and Acrylonitrile Butadiene Styrene) or else of PMMA (Poly-methyl methacrylate).
- the detection wall 30 can also be made of metal, a carbon-based composite, or else covered with a metallic or non-metallic paint, the detection means being configured to operate with materials which are not transparent to waves.
- the detection wall 30 has an internal face 31 and an opposite external face 33.
- the outer face 33 forms a contact detection zone intended to be activated by a finger or a hand of a user in order to control the locking or unlocking of the door.
- This outer face 33 preferably extends in a longitudinal direction, in particular allowing the user to slide his finger along the detection zone, in one direction or the other, in a sweeping movement.
- the detection zone may extend horizontally, so that the user slides his finger forward or backward to lock or unlock the vehicle, or vice versa. Other orientations of the detection zone relative to the vehicle are however possible.
- the outer face 33 may or may not be smooth, convex or concave, or flat, painted or not.
- the detection zone extends over an upper half of the handle 2.
- the internal face 31 is intended to support the detection means in order to transmit the vibrations or pressures exerted by the user on the external face 33.
- the detection means are fixed against the internal face 31 and comprise a sensor 4 having a layer 40 of a piezoelectric material, for example example a ceramic film.
- the layer 40 of piezoelectric material makes it possible to detect a predetermined contact from among several possible predetermined contacts, with a view to controlling the execution of a predetermined function associated with the detected contact, in particular the locking or unlocking of the opening.
- the layer 40 of piezoelectric material has surface undulations in the form of wrinkles on which the pressure transmitted by the detection wall 30 is intended to be exerted when the user presses on the external face 33.
- the detection contact between this piezoelectric layer 40 and the internal face 31 is linear, formed by a plurality of lines corresponding to the ridges or valleys of the undulations.
- These surface undulations offer a high and discriminating detection sensitivity, so that the sensor 4 makes it possible to detect complex movements, of the “swipe”, “single tap” or “double tap” type, that is to say a contact in the form of a sliding movement (as well as its orientation) or a single or double touch.
- the sensor 4 can also detect a more or less prolonged pressure of the user on the external face 33.
- the sensor 4 is connected for this purpose to an electronic chip (not shown) intended to identify the nature of the movement detected by the wrinkled piezoelectric layer and consequently to send to a central unit of the vehicle a request to execute a function associated with the movement. detected and identified, such as locking or unlocking the vehicle, or the lighting of the door handle.
- the sensor 4 can also detect and annihilate parasitic movements such as vehicle cleaning actions, the friction of a branch or the impact of gravel.
- the sensor 4 is configured to detect a predetermined contact from among several possible predetermined contacts with a view to controlling the execution of a predetermined function such as locking or unlocking of the opening.
- the detection means are configured to allow detection including with a detection wall 30 which comprises materials which are not transparent to waves.
- the structure of the sensor 4 can be similar to that of the sensor described in application WO 2015/055788.
- the sensor 4 advantageously comprises at least one electrode 41, 42 made of a conductive material on each side of the piezoelectric layer 40, as well as a substrate 43, for example made of polymer, to support the electrode stack. , piezoelectric layer, electrode, and allow its manipulation.
- the sensor 4 can comprise one or more protective layers 44, for example made of polymer material.
- the sensor 4 has a substrate stack 43, electrode 41, wrinkled piezoelectric layer 40, electrode 42, protective layer 44.
- the substrate 43 here made of polymer, which is chosen to ensure contact with the internal face 31 of the detection wall 30. In this case, it is the valleys of the undulations which ensure the mechanical continuity.
- the sensor 4 is advantageously in the form of a flexible film which can be fixed, for example by gluing or overmolding, on the internal face 31 of the detection wall 30.
- the sensor 4 can alternatively be in a rigid form, for example if the substrate is a PCB (standing for “printed circuit board”, for printed circuit). In this case, other assembly methods can be envisaged by any mechanical fastening means such as screws, rivets, etc.
- the detection zone is advantageously larger than the sensor 4.
- this detection zone extends over a larger area than that occupied by the sensor 4. on the internal face 31 of the detection wall 30.
- the sensor 4 therefore detects and identifies contacts of the user with the outer face 33 which may occur not only on the outer face portion 33 behind which the sensor 4 is located, but also on the outer face portions 33 which are near sensor 4, around it.
- the detection is more reliable, on the one hand, and on the other hand, it becomes possible to position additional equipment on the external face 33, in the detection zone, next to the sensor 4, such as for example an interface screen. (not shown) with the user.
- the ratio between the area of the detection zone relative to that occupied by the sensor can range from 1 to 1000, preferably from 10 to 500 and even more preferably from 100 to 500, for example 'order of 300.
- the device 1 can advantageously comprise lighting means for emitting a light signal indicating to the user the location of the detection zone.
- the lighting means are arranged near the detection zone, for example under the detection wall 30, where appropriate in a lower half of the handle 2.
- the lighting means can form, with the detection wall 30 , the outer half-shell 237 of the handle 2.
- the lighting means preferably extend parallel to the detection zone.
- the lighting means comprise a plurality of light sources, advantageously light-emitting diodes (LED, or LED according to the English acronym).
- LED light-emitting diodes
- These light sources are configured to turn on or off independently of each other in order to provide the user with a predetermined visual signal suggesting the nature of the movement to be performed on the detection zone.
- the light sources 5 light up successively in the direction of arrow A, towards the rear of the vehicle, to suggest to the user the execution of a sliding movement intended for example to unlock the sash.
- the light sources 5 can also light up together at a predetermined frequency, to suggest a single or double touch movement, or remain on for a predetermined time to suggest a more or less prolonged pressure of the user's finger on the face 33. external forming the detection zone.
- These light sources can also change color to indicate the correct progress of the action, for example a green color for the unlocked state and a red color for the locked state.
- the lighting means notably comprise a matrix 50 of multiplexed light-emitting diodes housed behind a protective optic 51 also making it possible to diffuse the light emitted by the light-emitting diodes.
- the lighting means more precisely the optics 51, can be fixed by gluing, clipping, screwing or overmolding to the detection wall 30.
- the device 1 can also include authorized user detection means, configured to detect the presence of an authorized user near the vehicle.
- the authorized user detection means comprise an on-board system in the vehicle, such as for example an antenna and a radio receiver, and an identifier carried by the authorized user, such as for example a key ring, a terminal such as a smartphone, or an issuing key.
- an identifier carried by the authorized user such as for example a key ring, a terminal such as a smartphone, or an issuing key.
- the execution of the unlocking or locking of the door or doors of the vehicle may be subject to the identification of an authorized user near the vehicle.
- the locking and / or unlocking device 1 also includes a latch (not shown) movable between a locking position in which the latch keeps the leaf closed and an unlocking position in which the lock allows the opening of the leaf.
- the handle 2 can also include all or part of the following characteristics.
- the handle 2 can thus comprise pivot connection means rotatably connecting the handle 23 of the handle 2 and the frame 21.
- the pivot connection means can comprise a pin 24 mounted in the frame 21 and a pivot arm 22 connecting the axis to the handle 23 of the handle 2.
- Sealing means, such as a pivot joint 26, can also be fitted to the handle 2.
- the handle 2 can include a lever 27 bent rotatably mounted relative to the frame 21 and returned by return means, such as a spring 28, in a rest position.
- the handle 2 may further include an arm 29 rotatably mounted in the handle 23 on the one hand and rotatable relative to the angled lever 27 on the other hand.
- the traction exerted by the user on the handle 2 of the handle 23 is thus transmitted by means of the rotating arm 29 to the angled lever 27, the rotation of the angled lever 27 allowing the opening of the door.
- the rotation of the angled lever 27 acts on a cable which in turn acts on the lock, causing the door to open.
- the central unit enables the door to be unlocked by sending an instruction to the lock actuator.
- the handle 2 may include a cap 30 including a lock cylinder allowing the unlocking or locking of the opening by means of a mechanical key.
- the locking and / or unlocking device 1 comprises purely mechanical locking or unlocking control means configured to allow locking or unlocking of the opening by key, in particular in the event of an electrical failure.
- the handle 2 also includes a microswitch 32 making it possible to actuate an aid for opening the door, in particular an electric release of the door strike, if the lock is of the electromechanical type.
- the method for locking and / or unlocking a motor vehicle opening can comprise an initial step of detecting a user by means of the authorized user detection means. This step may be followed by a step of transmitting a predetermined visual signal via the lighting means, in order to signal the location of the detection wall 30 and / or suggest to the user the execution of a predetermined contact on this detection wall 30.
- the method comprises a step of detecting a predetermined contact on the detection wall 30, by means of the sensor 4.
- the electronic chip connected to the sensor 4 identifies the predetermined function, typically locking or unlocking of the opening, associated with the. type of contact detected, and sends a request to execute this predetermined function to the central unit of the vehicle.
- the central unit controls the unlocking or locking of the door, depending on the contact movement made by the user. The user can then pull handle 2 to open the door
- the method can alternatively start with the step of detecting contact via the detection wall 30 and the sensor 4, then be followed by the step of detecting an authorized user as soon as the central unit receives the request. in execution of a locking or unlocking. Insofar as the user is recognized as authorized, the central unit can then order the execution of the locking or unlocking. The step of transmitting a visual signal by the lighting means can then take place to signal to the user that the locking or unlocking has been performed. In the case of unlocking, the user can then pull the handle 2 to open the door.
Landscapes
- Lock And Its Accessories (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR1906774A FR3097583B1 (fr) | 2019-06-24 | 2019-06-24 | Dispositif de verrouillage et/ou déverrouillage d’un ouvrant de véhicule automobile, véhicule comprenant ce dispositif et procédé de verrouillage ou de déverrouillage d’un ouvrant de véhicule automobile utilisant ce dispositif. |
| PCT/FR2020/051079 WO2020260812A1 (fr) | 2019-06-24 | 2020-06-22 | Dispositif de verrouillage et/ou déverrouillage d'un ouvrant de véhicule automobile, véhicule comprenant ce dispositif et procédé de verrouillage ou de déverrouillage d'un ouvrant de véhicule automobile utilisant ce dispositif |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP3987137A1 true EP3987137A1 (fr) | 2022-04-27 |
| EP3987137B1 EP3987137B1 (fr) | 2023-07-12 |
Family
ID=68654601
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP20747016.2A Active EP3987137B1 (fr) | 2019-06-24 | 2020-06-22 | Dispositif de verrouillage et/ou déverrouillage d'un ouvrant de véhicule automobile, véhicule comprenant ce dispositif et procédé de verrouillage ou de déverrouillage d'un ouvrant de véhicule automobile utilisant ce dispositif |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US11952808B2 (fr) |
| EP (1) | EP3987137B1 (fr) |
| CN (1) | CN114127378B (fr) |
| FR (1) | FR3097583B1 (fr) |
| WO (1) | WO2020260812A1 (fr) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP4155488A1 (fr) * | 2021-09-23 | 2023-03-29 | U-Shin Italia S.p.A. | Dispositif de détection et système de détection d'activation sur au moins la fonction d'un appareil, et appareil comprenant le système de détection |
| EP4261372A1 (fr) * | 2022-04-13 | 2023-10-18 | U-Shin Italia S.p.A. | Ensemble poignée de porte de véhicule |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6965189B2 (en) * | 2002-09-20 | 2005-11-15 | Monodrive Inc. | Bending actuators and sensors constructed from shaped active materials and methods for making the same |
| JP3812592B2 (ja) * | 2005-11-07 | 2006-08-23 | 松下電器産業株式会社 | ドアハンドル装置 |
| JP4600323B2 (ja) * | 2006-03-15 | 2010-12-15 | アイシン精機株式会社 | 車両用のドアハンドル |
| JP4947348B2 (ja) * | 2006-09-13 | 2012-06-06 | アイシン精機株式会社 | 車両用ドアハンドル装置 |
| JP2008082069A (ja) * | 2006-09-28 | 2008-04-10 | Aisin Seiki Co Ltd | 車両用ドアハンドル |
| DE102012107189A1 (de) * | 2012-07-18 | 2014-01-23 | Huf Hülsbeck & Fürst Gmbh & Co. Kg | Elektronikmodul für eine Handhabe |
| FR3012255B1 (fr) | 2013-10-17 | 2017-03-10 | Commissariat Energie Atomique | Procede de formation de rides par fusion d'une fondation sur laquelle repose une couche contrainte |
| EP3088641A1 (fr) * | 2015-05-01 | 2016-11-02 | Adac Plastics, Inc. | Commande pour fermetures de véhicule |
| JP6572161B2 (ja) * | 2016-03-22 | 2019-09-04 | 株式会社ミツバ | 操作検知装置 |
-
2019
- 2019-06-24 FR FR1906774A patent/FR3097583B1/fr not_active Expired - Fee Related
-
2020
- 2020-06-22 US US17/622,203 patent/US11952808B2/en active Active
- 2020-06-22 EP EP20747016.2A patent/EP3987137B1/fr active Active
- 2020-06-22 WO PCT/FR2020/051079 patent/WO2020260812A1/fr not_active Ceased
- 2020-06-22 CN CN202080046639.7A patent/CN114127378B/zh active Active
Also Published As
| Publication number | Publication date |
|---|---|
| US11952808B2 (en) | 2024-04-09 |
| US20220349221A1 (en) | 2022-11-03 |
| WO2020260812A1 (fr) | 2020-12-30 |
| CN114127378B (zh) | 2024-01-05 |
| EP3987137B1 (fr) | 2023-07-12 |
| FR3097583B1 (fr) | 2022-08-12 |
| CN114127378A (zh) | 2022-03-01 |
| FR3097583A1 (fr) | 2020-12-25 |
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