DE102017220826A1 - motor vehicle - Google Patents
motor vehicle Download PDFInfo
- Publication number
- DE102017220826A1 DE102017220826A1 DE102017220826.0A DE102017220826A DE102017220826A1 DE 102017220826 A1 DE102017220826 A1 DE 102017220826A1 DE 102017220826 A DE102017220826 A DE 102017220826A DE 102017220826 A1 DE102017220826 A1 DE 102017220826A1
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- DE
- Germany
- Prior art keywords
- sensor
- control
- layer
- vehicle
- pressure sensor
- 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.)
- Pending
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Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L5/00—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
- G01L5/22—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes for measuring the force applied to control members, e.g. control members of vehicles, triggers
- G01L5/225—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes for measuring the force applied to control members, e.g. control members of vehicles, triggers to foot actuated controls, e.g. brake pedals
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K23/00—Arrangement or mounting of control devices for vehicle transmissions, or parts thereof, not otherwise provided for
- B60K23/02—Arrangement or mounting of control devices for vehicle transmissions, or parts thereof, not otherwise provided for for main transmission clutches
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K26/00—Arrangement or mounting of propulsion-unit control devices in vehicles
- B60K26/02—Arrangement or mounting of propulsion-unit control devices in vehicles of initiating means or elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K26/00—Arrangement or mounting of propulsion-unit control devices in vehicles
- B60K26/02—Arrangement or mounting of propulsion-unit control devices in vehicles of initiating means or elements
- B60K26/021—Arrangement or mounting of propulsion-unit control devices in vehicles of initiating means or elements with means for providing feel, e.g. by changing pedal force characteristics
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K26/00—Arrangement or mounting of propulsion-unit control devices in vehicles
- B60K26/04—Arrangement or mounting of propulsion-unit control devices in vehicles of means connecting initiating means or elements to propulsion unit
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
- B60R21/02—Occupant safety arrangements or fittings, e.g. crash pads
- B60R21/09—Control elements or operating handles movable from an operative to an out-of-the way position, e.g. pedals, switch knobs, window cranks
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K26/00—Arrangement or mounting of propulsion-unit control devices in vehicles
- B60K26/02—Arrangement or mounting of propulsion-unit control devices in vehicles of initiating means or elements
- B60K26/021—Arrangement or mounting of propulsion-unit control devices in vehicles of initiating means or elements with means for providing feel, e.g. by changing pedal force characteristics
- B60K2026/022—Arrangement or mounting of propulsion-unit control devices in vehicles of initiating means or elements with means for providing feel, e.g. by changing pedal force characteristics with tactile feedback from a controller, e.g. vibrations
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K26/00—Arrangement or mounting of propulsion-unit control devices in vehicles
- B60K26/04—Arrangement or mounting of propulsion-unit control devices in vehicles of means connecting initiating means or elements to propulsion unit
- B60K2026/046—Arrangement or mounting of propulsion-unit control devices in vehicles of means connecting initiating means or elements to propulsion unit with electrical transmission means
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Auxiliary Drives, Propulsion Controls, And Safety Devices (AREA)
Abstract
Steuerelement für ein Fahrzeug, umfassend:eine Fußmatte mit wenigstens einem Sensorbereich,wobei der Sensorbereich wenigstens einen Drucksensor aufweist, der dazu eingerichtet ist, bei einer Druckbetätigung des Drucksensors ein Steuersignal zu erzeugen.A control for a vehicle, comprising: a floor mat having at least one sensor area, the sensor area having at least one pressure sensor configured to generate a control signal upon a pressure actuation of the pressure sensor.
Description
Gebiet der ErfindungField of the invention
Die Erfindung betrifft ein Steuerelement für ein Fahrzeug.The invention relates to a control for a vehicle.
Hintergrund der ErfindungBackground of the invention
Im Stand der Technik werden Pedale im Fußraum eines Kraftfahrzeugs in Form von mechanischen Hebeln bereitgestellt. Herkömmliche Pedale stören jedoch das optische Erscheinungsbild im Fahrzeugfußraum und weisen ein hohes Gewicht auf. Darüber hinaus kann die mechanische Betätigung der Pedale durch Fremdkörper im Fahrzeugfußraum gestört werden.In the prior art pedals are provided in the footwell of a motor vehicle in the form of mechanical levers. However, conventional pedals interfere with the visual appearance in the vehicle footwell and have a high weight. In addition, the mechanical operation of the pedals can be disturbed by foreign objects in the vehicle footwell.
Aufgabe der Erfindung ist es, ein leichtes Steuerelement für ein Fahrzeug bereitzustellen, das sich gut in den Fahrzeugfußraum einfügt, wobei zusätzlich eine Störung durch Fremdkörper im Fahrzeugfußraum vermieden wird.The object of the invention is to provide a lightweight control for a vehicle, which fits well into the vehicle footwell, in addition to interference by foreign objects in the vehicle footwell is avoided.
Zusammenfassung der ErfindungSummary of the invention
Erfindungsgemäß wird diese Aufgabe gelöst durch ein Steuerelement für ein Fahrzeug, umfassend: eine Fußmatte mit wenigstens einem Sensorbereich, wobei der Sensorbereich wenigstens einen Drucksensor aufweist, der dazu eingerichtet ist, bei einer Druckbetätigung des Drucksensors ein Steuersignal zu erzeugen. Die erfindungsgemäße Fußmatte mit dem Sensorbereich und dem Drucksensor ermöglicht zunächst ein schlichteres Design des Fahrzeuginnenraums. Weiterhin wird ein Verklemmen oder Versperren durch Fremdgegenstände bei herkömmlichen Pedalen vermieden. Darüber hinaus ist die erfindungsgemäße Fußmatte leichter als herkömmliche Pedale, was zu einer hohen Gewichtseinsparung führt.According to the invention, this object is achieved by a control element for a vehicle, comprising: a floor mat with at least one sensor area, wherein the sensor area has at least one pressure sensor which is set up to generate a control signal during a pressure actuation of the pressure sensor. The floor mat according to the invention with the sensor area and the pressure sensor initially allows a simpler design of the vehicle interior. Furthermore, jamming or obstruction by foreign objects in conventional pedals is avoided. In addition, the foot mat invention is lighter than conventional pedals, resulting in a high weight saving.
In einer bevorzugten Ausführungsform umfasst der Sensorbereich eine Deckschicht und eine Trägerschicht, und der Drucksensor ist zwischen der Deckschicht und der Trägerschicht angeordnet. In diesem Schichtaufbau kann der Drucksensor besonders gut an der Fußmatte angeordnet werden.In a preferred embodiment, the sensor region comprises a cover layer and a carrier layer, and the pressure sensor is arranged between the cover layer and the carrier layer. In this layer construction, the pressure sensor can be arranged particularly well on the doormat.
In einer Ausführungsform weist der Sensorbereich wenigstens einen Aktuator auf, der dazu eingerichtet ist, ein elektrisches Eingangssignal in eine Vibration umzusetzen. Auf diese Weise kann besonders gut ein mechanisches Feedbacksignal an die Fußsohlen des Fahrers abgegeben werden.In one embodiment, the sensor region has at least one actuator that is configured to convert an electrical input signal into a vibration. In this way, a mechanical feedback signal can be delivered to the soles of the driver particularly well.
In einer Ausführungsform sind zwischen der Deckschicht und der Trägerschicht eine Platte und eine Schaumstoffschicht angeordnet, wobei die Schaumstoffschicht an der Trägerschicht angeordnet ist und die Platte an der Deckschicht angeordnet ist, wobei bevorzugt der Drucksensor und der Aktuator an der Platte angeordnet sind und hin zur Schaumstoffschicht zeigen. Die Schaumstoffschicht ermöglicht eine Dämpfung der Vibration innerhalb der Ebene der Schaumstoffschicht, während eine Vibration über die Platte hin zu den Fußsohlen des Fahrers besonders gut übertragen werden kann. Bevorzugt ist die Platte aus einem Kunststoff, besonders bevorzugt aus einem harten Kunststoff.In one embodiment, a plate and a foam layer are arranged between the cover layer and the carrier layer, wherein the foam layer is arranged on the carrier layer and the plate is arranged on the cover layer, wherein preferably the pressure sensor and the actuator are arranged on the plate and towards the foam layer demonstrate. The foam layer allows damping of vibration within the plane of the foam layer, while vibration over the plate towards the soles of the driver can be transmitted particularly well. Preferably, the plate is made of a plastic, more preferably of a hard plastic.
In einer besonders bevorzugten Ausführungsform weist die Fußmatte einen ersten Sensorbereich auf, dessen Drucksensor dazu eingerichtet ist, ein Steuersignal zum Beschleunigen des Fahrzeugs zu erzeugen, und die Fußmatte weist einen zweiten Sensorbereich auf, dessen Drucksensor dazu eingerichtet ist, ein Steuersignal zum Abbremsen des Fahrzeugs zu erzeugen. Damit kann besonders leicht das herkömmliche Gaspedal bzw. das Bremspedal ersetzt werden.In a particularly preferred embodiment, the doormat has a first sensor area, the pressure sensor of which is adapted to generate a control signal for accelerating the vehicle, and the doormat has a second sensor area, the pressure sensor of which is configured to supply a control signal for decelerating the vehicle produce. This is particularly easy to replace the conventional accelerator pedal or the brake pedal.
Bevorzugt weist dabei der erste Sensorbereich wenigstens einen ersten Aktuator auf, der dazu eingerichtet ist, ein erstes elektrisches Eingangssignal in eine Vibration mit einer ersten Vibrationsfrequenz umzusetzen, und der zweite Sensorbereich weist wenigstens einen zweiten Aktuator auf, der dazu eingerichtet ist, ein zweites elektrisches Eingangssignal in eine Vibration mit einer zweiten Vibrationsfrequenz umzusetzen. Dadurch können unterschiedliche Vibrationen, d. h. unterschiedliche Feedbacksignale bereitgestellt werden, wodurch das Feedback an den Fahrer weiter verbessert wird. Bevorzugt ist die erste Vibrationsfrequenz kleiner als die zweite Vibrationsfrequenz ist. Dadurch werden ein schnelle Vibration beim Beschleunigen und eine langsame Vibration beim Abbremsen und somit ein besonders gutes Feedbacksignal bereitgestellt.In this case, the first sensor region preferably has at least one first actuator, which is set up to convert a first electrical input signal into a vibration having a first vibration frequency, and the second sensor region has at least one second actuator, which is configured to generate a second electrical input signal to convert into a vibration with a second vibration frequency. This allows different vibrations, d. H. Different feedback signals are provided, whereby the feedback to the driver is further improved. Preferably, the first vibration frequency is smaller than the second vibration frequency. This provides a fast vibration during acceleration and a slow vibration during braking and thus a particularly good feedback signal.
In einer Ausführungsform weist die Fußmatte einen Grundbereich und einen Winkelbereich auf, wobei der Grundbereich und der Winkelbereich zueinander gewinkelt auf einem elastisch verformbaren und gewinkelten Träger angeordnet sind und der Winkelbereich den Sensorbereich umfasst. Der elastisch verformbare und gewinkelte Träger stellt ähnlich zu herkömmlichen Fußpedalen ein weiteres Feedbacksignal bereit, wenn der Fahrer den Sensorbereich mit dem Drucksensor betätigt. Bevorzugt bildet die Trägerschicht den elastisch verformbaren Träger.In one embodiment, the floor mat has a base area and an angle area, wherein the base area and the angle area are arranged at an angle to each other on an elastically deformable and angled support and the angular area comprises the sensor area. The elastically deformable and angled support provides another feedback signal similar to conventional foot pedals when the driver operates the sensor area with the pressure sensor. The carrier layer preferably forms the elastically deformable carrier.
In einer weiteren bevorzugten Ausführungsform umfasst ein Fahrzeug ein erfindungsgemäßes Steuerelement, wobei das Fahrzeug dazu eingerichtet ist, das Steuersignal zu empfangen. In a further preferred embodiment, a vehicle comprises a control according to the invention, wherein the vehicle is adapted to receive the control signal.
Figurenliste list of figures
Ausführungsformen der Erfindung werden nachstehend anhand der Figuren beschrieben. Dabei zeigen:
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1 ein erstes schematisches Ausführungsbeispiel des Steuerelements in einer Explosivdarstellung, -
2A ein weiteres Ausführungsbeispiel des Steuerelements in einer Schnittansicht, -
2B einen Ausschnitt aus2A in einer perspektivischen Ansicht, -
3 den Schichtaufbau von2A in einer Explosivdarstellung, und -
4 ein weiteres Ausführungsbeispiel des Steuerelements in einer Draufsicht.
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1 a first schematic embodiment of the control in an exploded view, -
2A another embodiment of the control in a sectional view, -
2 B a section from2A in a perspective view, -
3 the layer structure of2A in an exploded view, and -
4 a further embodiment of the control in a plan view.
Detaillierte BeschreibungDetailed description
In
Darüber hinaus sind zwischen der Deckschicht
Bevorzugt sind der Drucksensor
Wie in
Weiterhin weist der erste Sensorbereich
Der Winkelbereich
Ebenso ist denkbar, dass die Fußmatte
BezugszeichenlisteLIST OF REFERENCE NUMBERS
- 1010
- Steuerelementcontrol
- 1212
- Fußmattemat
- 12.112.1
- Grundbereichbasic area
- 12.212.2
- Winkelbereichangle range
- 2020
- Sensorbereichsensor range
- 20.120.1
- Deckschichttopcoat
- 20.220.2
- Trägerschichtbacking
- 20.320.3
- Platteplate
- 20.420.4
- Schaumstoffschichtfoam layer
- 2222
- Drucksensorpressure sensor
- 2424
- Aktuatoractuator
- 24.124.1
- erster Aktuatorfirst actuator
- 24.224.2
- zweiter Aktuatorsecond actuator
- 26.126.1
- erster Sensorbereichfirst sensor area
- 26.226.2
- zweiter Sensorbereichsecond sensor area
- 2828
- Trägercarrier
Claims (8)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102017220826.0A DE102017220826A1 (en) | 2017-11-22 | 2017-11-22 | motor vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102017220826.0A DE102017220826A1 (en) | 2017-11-22 | 2017-11-22 | motor vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE102017220826A1 true DE102017220826A1 (en) | 2019-05-23 |
Family
ID=66336505
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE102017220826.0A Pending DE102017220826A1 (en) | 2017-11-22 | 2017-11-22 | motor vehicle |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE102017220826A1 (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020142804A1 (en) * | 2019-01-08 | 2020-07-16 | Applied Electric Vehicles Pty Ltd | Foot actuated vehicle control surfaces, operation and control strategy |
| WO2021144015A1 (en) * | 2020-01-15 | 2021-07-22 | Toyota Motor Europe | On-demand driving control system with on-demand driving pedal |
| DE102021206817A1 (en) | 2021-06-30 | 2023-01-05 | Zf Friedrichshafen Ag | Pressure sensitive mat and method and system for operating a vehicle |
| CN118230586A (en) * | 2024-04-01 | 2024-06-21 | 武汉市公共交通集团有限责任公司信息中心 | ETA model-based vehicle arrival time compensation prediction method and system |
| IT202300003762A1 (en) * | 2023-03-02 | 2024-09-02 | Brembo Spa | BRAKING SYSTEM |
| DE102023212348A1 (en) * | 2023-12-07 | 2025-06-12 | Robert Bosch Gesellschaft mit beschränkter Haftung | Pedal arrangement for a vehicle |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10143326A1 (en) * | 2001-09-05 | 2003-03-27 | Bosch Gmbh Robert | Device for weight classification of persons, especially motor vehicle seat occupants has an array of seat pressure sensors that are joined into groups |
| DE10212023A1 (en) * | 2002-03-19 | 2003-10-02 | Bosch Gmbh Robert | Sensor cell, especially for use in the sensor mat of a motor vehicle seat, has a piezoelectric resistance element with at least one additional contact so that two resistance measurements are made |
| CN105587204A (en) * | 2016-03-11 | 2016-05-18 | 重庆大学 | Pressure induction door mat used for controlling door to be opened and closed |
| DE102015120369B3 (en) * | 2015-11-25 | 2016-11-03 | Pilz Gmbh & Co. Kg | Step mat for securing a technical system |
-
2017
- 2017-11-22 DE DE102017220826.0A patent/DE102017220826A1/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10143326A1 (en) * | 2001-09-05 | 2003-03-27 | Bosch Gmbh Robert | Device for weight classification of persons, especially motor vehicle seat occupants has an array of seat pressure sensors that are joined into groups |
| DE10212023A1 (en) * | 2002-03-19 | 2003-10-02 | Bosch Gmbh Robert | Sensor cell, especially for use in the sensor mat of a motor vehicle seat, has a piezoelectric resistance element with at least one additional contact so that two resistance measurements are made |
| DE102015120369B3 (en) * | 2015-11-25 | 2016-11-03 | Pilz Gmbh & Co. Kg | Step mat for securing a technical system |
| CN105587204A (en) * | 2016-03-11 | 2016-05-18 | 重庆大学 | Pressure induction door mat used for controlling door to be opened and closed |
Non-Patent Citations (2)
| Title |
|---|
| CN 000105587204 A * |
| JP 000H10213499 A * |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020142804A1 (en) * | 2019-01-08 | 2020-07-16 | Applied Electric Vehicles Pty Ltd | Foot actuated vehicle control surfaces, operation and control strategy |
| WO2021144015A1 (en) * | 2020-01-15 | 2021-07-22 | Toyota Motor Europe | On-demand driving control system with on-demand driving pedal |
| JP2023511299A (en) * | 2020-01-15 | 2023-03-17 | トヨタ モーター ヨーロッパ | On-demand driving control system with on-demand driving pedal |
| JP7351014B2 (en) | 2020-01-15 | 2023-09-26 | トヨタ モーター ヨーロッパ | On-demand driving control system with on-demand driving pedals |
| DE102021206817A1 (en) | 2021-06-30 | 2023-01-05 | Zf Friedrichshafen Ag | Pressure sensitive mat and method and system for operating a vehicle |
| IT202300003762A1 (en) * | 2023-03-02 | 2024-09-02 | Brembo Spa | BRAKING SYSTEM |
| WO2024180436A3 (en) * | 2023-03-02 | 2024-10-24 | Brembo S.P.A. | Braking system |
| DE102023212348A1 (en) * | 2023-12-07 | 2025-06-12 | Robert Bosch Gesellschaft mit beschränkter Haftung | Pedal arrangement for a vehicle |
| CN118230586A (en) * | 2024-04-01 | 2024-06-21 | 武汉市公共交通集团有限责任公司信息中心 | ETA model-based vehicle arrival time compensation prediction method and system |
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| R163 | Identified publications notified | ||
| R012 | Request for examination validly filed |