Classifications

• • G—PHYSICS
  • G06—COMPUTING; CALCULATING OR COUNTING
  • G06F—ELECTRIC DIGITAL DATA PROCESSING
  • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
  • G06F3/16—Sound input; Sound output
  • G06F3/167—Audio in a user interface, e.g. using voice commands for navigating, audio feedback
• • 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
  • B60K35/00—Instruments specially adapted for vehicles; Arrangement of instruments in or on vehicles
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B60—VEHICLES IN GENERAL
  • B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
  • B60W50/00—Details of control systems for road vehicle drive control not related to the control of a particular sub-unit, e.g. process diagnostic or vehicle driver interfaces
  • B60W50/08—Interaction between the driver and the control system
  • B60W50/14—Means for informing the driver, warning the driver or prompting a driver intervention
• • G—PHYSICS
  • G01—MEASURING; TESTING
  • G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
  • G01C21/00—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00
  • G01C21/26—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00 specially adapted for navigation in a road network
  • G01C21/34—Route searching; Route guidance
  • G01C21/36—Input/output arrangements for on-board computers
  • G01C21/3605—Destination input or retrieval
  • G01C21/3608—Destination input or retrieval using speech input, e.g. using speech recognition
• • G—PHYSICS
  • G01—MEASURING; TESTING
  • G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
  • G01C21/00—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00
  • G01C21/26—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00 specially adapted for navigation in a road network
  • G01C21/34—Route searching; Route guidance
  • G01C21/36—Input/output arrangements for on-board computers
  • G01C21/3626—Details of the output of route guidance instructions
  • G01C21/3661—Guidance output on an external device, e.g. car radio
• • G—PHYSICS
  • G01—MEASURING; TESTING
  • G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
  • G01C21/00—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00
  • G01C21/26—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00 specially adapted for navigation in a road network
  • G01C21/34—Route searching; Route guidance
  • G01C21/36—Input/output arrangements for on-board computers
  • G01C21/3664—Details of the user input interface, e.g. buttons, knobs or sliders, including those provided on a touch screen; remote controllers; input using gestures
• • G—PHYSICS
  • G01—MEASURING; TESTING
  • G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
  • G01C21/00—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00
  • G01C21/26—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00 specially adapted for navigation in a road network
  • G01C21/34—Route searching; Route guidance
  • G01C21/36—Input/output arrangements for on-board computers
  • G01C21/3688—Systems comprising multiple parts or multiple output devices (not client-server), e.g. detachable faceplates, key fobs or multiple output screens
• • G—PHYSICS
  • G06—COMPUTING; CALCULATING OR COUNTING
  • G06F—ELECTRIC DIGITAL DATA PROCESSING
  • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
  • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
  • G06F3/017—Gesture based interaction, e.g. based on a set of recognized hand gestures
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B60—VEHICLES IN GENERAL
  • B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
  • B60W50/00—Details of control systems for road vehicle drive control not related to the control of a particular sub-unit, e.g. process diagnostic or vehicle driver interfaces
  • B60W50/08—Interaction between the driver and the control system
  • B60W50/14—Means for informing the driver, warning the driver or prompting a driver intervention
  • B60W2050/146—Display means
• • G—PHYSICS
  • G06—COMPUTING; CALCULATING OR COUNTING
  • G06F—ELECTRIC DIGITAL DATA PROCESSING
  • G06F2203/00—Indexing scheme relating to G06F3/00 - G06F3/048
  • G06F2203/038—Indexing scheme relating to G06F3/038
  • G06F2203/0381—Multimodal input, i.e. interface arrangements enabling the user to issue commands by simultaneous use of input devices of different nature, e.g. voice plus gesture on digitizer
• • H—ELECTRICITY
  • H04—ELECTRIC COMMUNICATION TECHNIQUE
  • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
  • H04L67/00—Network arrangements or protocols for supporting network services or applications
  • H04L67/01—Protocols
  • H04L67/12—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks

Definitions

• the invention relates to a method and a device for assisting the driver of a motor vehicle and is applicable for use in motor vehicles, either permanently installed in the motor vehicle or in the form of an integrated device or a retrofittable accessory, which can be arranged in the field of vision of the driver.
• Motor vehicles for the purposes of this invention are passenger cars and motor homes, motorcycles, buses, trucks, construction equipment such as excavators and cranes, agricultural and forestry tractors and agricultural machinery such as tractors and combine harvesters, special fire and road cleaning vehicles.
• the object of the present invention is to provide a method and a device which allow effective processing of a wide variety of input and received data and realize situation-dependent information of the driver, the device being simple and inexpensive to manufacture and easy to operate for the driver and distraction should.
• an intelligent digital virtual passenger is realized, which supplies the driver with navigation data, music, news, emails or traffic information depending on different situations, the driver the operation of the device or the additional device can perform blind, without visual contact with the device or accessory, and without touching the
• the device or the additional device can also be connected to the Internet in order, for example, to provide weather information.
• connection between the attachment and the smartphone is preferably via Bluetooth. It is a particular advantage of the device or the attachment that blinds the driver via the device or the accessory features of the smartphone
• Smartphone use in the vehicle is a big and ever increasing problem in road traffic.
• Interaction with the smartphone or a modern touch infotainment system requires that the driver has visual contact with the device during use because the user interface can not be operated blind.
• the driver can not focus on the road, which makes any interaction with the smartphone or a touch infotainment system an accident risk.
• the device enables the blind and non-touch use of smartphone and car functions via voice and / or gesture interaction, thus reducing the potential for distraction and increasing traffic safety by focusing attention on the traffic can stay.
• a particular advantage of the invention is that the processing and execution of essential functions of the assistant such as voice processing and dialogue control and the processing of receiving and smartphone data on the smartphone takes place and thus independent of the vehicle and the device a powerful and up-to-date Software and hardware platform for the execution of these functions can be ensured cost-effectively.
• this method makes it possible to use data from his smartphone or the co-drivers' smartphones in assisting the driver by connecting a device that can be arranged or installed in the motor vehicle to the driver's or passenger's smartphone and processing data from the smartphone and other receiving data and the driver prepared according to predetermined criteria in an acoustic and / or visual form.
• These smartphone data may include phone numbers and / or contact information and / or
• Smartphone data are read out via interfaces provided by the smartphone via individual modules or agents. This way, the telephony agent can be used to connect to the smartphone's phone functions, to the address book agent via the address book agent, and so on.
• Data that is not provided directly via smartphone interfaces, such as navigation map data or third-party audio playlists, is either connected through (a) third-party cloud interfaces, or (b) through software development kits (SDKs) respective provider.
• SDKs software development kits
• reception data are preferably map and / or navigation data and / or traffic information and / or radio or TV broadcasts and / or digital
• a further advantage of the invention lies in the optimized selection of the data to be processed and the data to be transmitted, which depend on the driving situation and / or the traffic situation and / or the time of day and / or the weather and / or the preferences of the user and / or the user historical usage of the data by the user and / or preferences of other users and / or historical use of the data by other users.
• the system can adapt to situations in which the driver is subject to high cognitive load or which are very risky, as well as to situations in which the driver is cognitively under-burdened and may need to be stimulated to prevent fatigue or falling asleep ,
• the overall system is designed to be adaptive so that the frequency, the nature of the data to be processed and the data to be transmitted allow conclusions to be drawn for the future
• Data processing and data output are drawn.
• the selection of the data to be processed and the data to be transmitted is carried out according to the following
• Vehicle and traffic situation data such as speed, navigation data, traffic density, road geometry, road width, number of lanes, accident frequency, speed limits, general traffic reports and special situations such as construction sites,
• Correlation of the acquired data with predetermined program sequence patterns output or temporary or permanent suppression of such prioritized data for use by the driver or passenger.
• the device includes an internal standard power supply, microphone, digital processor, display, gesture sensor (s), a speaker and wireless communication units.
• the gesture sensors are preferably designed as LED-based IR sensors.
• the device for assisting the driver is simple and inexpensive to produce, the device having a display and a voice input unit.
• the device can be coupled with additional input devices, such as the input devices in one
• the device preferably further comprises an electronic circuit arranged on a printed circuit board with a
• Bluetooth components are arranged.
• the device is designed as an attachment with a display arranged in a housing and with a voice input unit and a voice output unit.
• the device In the operating state, the device can be connected to the audio system of the motor vehicle or elements of the on-board electronics wireless or wired.
• the connection is made via FM transmitter / receiver.
• the attachment preferably has a circular cross-section and comprises the components disc, ring, printed circuit board, battery, speakers, housing magnets,
• the housing has a fastening device for attachment to the dashboard or on the windscreen of the motor vehicle.
• the fastening device and the housing can be detachably connected to each other by means of magnets.
• An advantage of the invention is that the device on the bracket is easily and quickly attachable and easy and quick to remove and allows different mounting positions by both the device and the bracket mounting areas are arranged, the mounting portion of the back of the device at least a holding magnet and two mirror-image arranged mounting sectors, which are provided with mirror-image arranged electrical contacts and the mounting portion on the holder at least one holding magnet and a fastening sector with electrical contacts, wherein in the assembled state, the holding magnets and the electrical contacts of the mounting sector with the electrical contacts the two different attachment sectors are in contact such that, depending on the contact with the respective attachment sector, a 180 ° rotated positioning of the device is realized.
• a further advantage of the invention in addition to the ease of handling, is the high stability of the connection, which results from the attachment sectors on the device being semicircular recesses and the attachment sectors to the support being semicircular rails, the recesses and the rails corresponding to one another in the assembled state.
• An additional advantage of the invention is the secure mechanical connection in that the holding magnets ensure mechanical fastening both to the appliance and to the holder.
• the electrical contact between the device and the holder realize the electrical contacts
• the bracket may be provided with a squeegee and have one or more USB ports.
• the device has a three-part structure in principle of the overall housing with a central ring as a basis.
• the back of the ring is followed by a rear housing part and forward of the circular display is arranged.
• a printed circuit board is inside the ring behind the display and in front of the rear housing part einmontiert.
• the display is now mounted with a circular cross-section in the ring, and just below the display, a gap is incorporated in the front area of the ring, which runs around the display.
• invisible openings for the user or driver are incorporated into this joint, which channels the sound back towards the microphones.
• the microphones are preferably arranged vis-a-vis the openings on the printed circuit board arranged behind the ring. The openings form sound channels through which the sound reaches the microphones.
• FIG. 1 is an overview of the system components
• Figure 2 is an exploded view of the device components of an additional device
• Figure 3 is a sectional view with device components of an additional device
• FIG. 4 is an illustration of the communication links
• FIG. 5 is an overview of the overall system
• Figure 6 shows the back of the device according to the invention with mounting area in
• Figure 7 shows the mounting portion of the bracket in plan view us lateral top view
• FIG. 8 shows the device mounted on the holder
• Figure 9 is a sectional view of the basic structure of the device
• Figure 10 is a detail view of the arrangement of the openings and microphones
• Figure 1 1 is a front view of the device with the openings in the ring device components
• the device 1 is electronically connected to a smartphone 1 a of the driver or a passenger and in the present
• Embodiment with a car radio 1 b which may be formed with or without navigation system.
• the device 1 can continue with the audio system of
• Embodiment a Bluetooth connection 1 c.
• the car radio 1 b can be connected via a cable 1 d, a Bluetooth connection or an FM transmitter 10 with the device.
• Smartphone 1 a and device 1 are connected to a USB power supply unit 15, which has two USB ports in the present embodiment.
• the device 1 has, inside the housing 2, a printed circuit board 5 with an electronic circuit 5a with a data storage unit 6 and a data processing unit 7.
• the electronic circuit 5a is furthermore connected to an amplifier 12 connected to a voice output unit 4b embodied as a loudspeaker, a graphics driver 13, an FM receiver 17, a gesture sensor 8, an energy management group 14, the Bluetooth components connected to a power supply unit 11 16 and one with a trained as a microphone
• Speech input unit 4a connected shutdown 18, which consists of
• Figures 2 and 3 show the detailed structure of the device 1 and the housing 2 of the device designed as an accessory 1.
• Essential components are disc 9a, ring 9c, circuit board 5, formed as a battery power supply unit 1 1, speaker 4b, housing magnets 9d, rear housing part 9e , Main magnet 9g, and an alternative 9h which can be arranged on the rear housing part 9e.
• the textile coating 9h has in addition to the aesthetic enhancement of the device 1 has the advantage that the impact of strong
• the disc 9a is made of glass, the ring 9c made of metal, preferably aluminum, and the rear part 9e made of plastic.
• the display 3, the circuit board 5 and the housing 2 are mounted on the rear housing part 9e, that is, the assembly of the circuit board 5, the housing 2 and the display 3 via the ring 9c. Due to the small dimensions of the device 1 and the part-spherical shape of the structure of the housing 2 is substantially different than in rectangular devices.
• a substantially three-part construction is realized with the central ring 9c as a base and the housing 2 and the display 3.
• the circuit board 5 is mounted in the ring 9c.
• connection between smartphone 1 a, device 1 and car radio 1 b with speaker 4 b are shown in Fig. 4.
• the connection between the smartphone 1 a and device 1 takes place in the present embodiment via Bluetooth 16.
• the connection between the device 1 and the car radio 1 b is made in the present embodiment via Bluetooth 16 or via a jack connection 1 d or VHF, ie FM transmitter and FM Receiver.
• the device 1 is designed as an additional device, it is secured by means of a holder in the field of vision of the driver, preferably on the dashboard or on the windscreen.
• the device 1 relationship meadow the attachment connects automatically and wirelessly with the smartphone 1 a of the driver or the smartphone 1 a of a passenger (see Figure 1, 1 c) and the audio system of the motor vehicle ( Figure 1, 1 d).
• the connection to the audio system of the motor vehicle can be wireless via Bluetooth 1 c or via a built-in FM transmitter, or wired via the
• Bluetooth 1 c Bluetooth low energy
• Hands-free Profile (a) for transmitting voice data from the device 1 to the smartphone 1 a and from the smartphone 1 a to the device 1, and (b) for making calls in handsfree mode via the built-in speaker or the connected vehicle speakers ,
• A2DP Advanced Audio Distribution Profile
• PBAP Phonebook Access Profile
• AVRCP Audio / Video Remote Control Profile
• Bluetooth Low Energy transmits non-auditory data, such as the graphical user interface, gesture control and other control signals, data transferred from the device 1 to the smartphone 1a (working status, statuses of various applications).
• the smartphone 1 a On the smartphone 1 a is an associated smartphone application that communicates via the Bluetooth interface 1 c with the device 1 or additional device (Figure 5).
• the control of the communication between the device 1 and the smartphone application is made via the Chris Driver module ( Figure 5, 32) in the smartphone application.
• This module allows the smartphone application to communicate with various devices or additional devices.
• many essential processes take place, especially (a) the speech processing of
• the language processing chain consists of the following components:
• Dialog control Dialog Control (Dialog Management, DM)
• the speech-based activation of the speech recognition takes place locally on the device 1 or the additional device.
• the communication in the vehicle is continuously analyzed until the password for activating the speech recognition is recognized, whereupon the voice data transmission from the microphone of the device 1 or additional device into the speech recognition system in the smartphone application is started.
• Speech recognition takes place via a hybrid system that can perform speech recognition both on the smartphone 1 a in the smartphone application, that is also online via the cloud interface via an online speech recognition service.
• the entire process chain from speech recognition to interpretation, dialog control and speech synthesis and output can be performed locally on the smartphone 1 a in the smartphone application.
• the local speech recognition is used in the smartphone application, since the detection can be faster and more robust, and also under
• the microphone signal is transmitted via the Bluetooth connection by means of the Bluetooth Handsfree Profile (HFP) to the smartphone 1 a.
• HFP Bluetooth Handsfree Profile
• special microphones are used for speech recognition, which are independent of the microphone used for hands-free telephony, and transmit the beamforming and echo cancellation a clear voice signal from the driver to the smartphone 1 a and there the associated smartphone application.
• Speech signal is transmitted in an optimized for the speech recognition system bit rate from the device 1 or additional device to the smartphone 1 a.
• User data such as the user's address book, former targets in the navigation system, or metadata of audio files are used as grammars (grammars) that make the system better recognize, for example, names that the user has in his smartphone's address book, and (b) through continuously improved speech recognition models that can be imported into the smartphone application via the cloud interface.
• grammars grammars
• the interpretation of speech input is done in the NLU module of the smartphone application (FIGS. 5, 39), whereby the speech input is divided into intention and further information (for example name, title, etc.) and then sent to the dialog control module (DM module, FIG. 34) is handed over. There, in response to these inputs, the next step in system interaction is determined, and via speech generation and Speech synthesis output.
• the voice output is again via the device 1 or additional device, or via the audio system of the motor vehicle, if it is connected to the device 1 or additional device.
• the dialog control succeeds through the dialog control module (DM modules, Figure 5, 34) in the smartphone application.
• An essential feature of this module is that the actual dialog, ie the input / response rules, are created in a script file that can be regularly updated via the cloud interface, without the smartphone application itself must be updated. Thus, the user can be made possible a continuously optimized dialogue.
• the voice inputs if approved by the user, are stored and transmitted via the cloud interface to a server-based logging and analysis system, where it is partially automated tagged and then used for further analysis with the aim of optimizing the speech recognition performance.
• the device 1 or additional device also has a gesture sensor (Figure 1, 17).
• the gesture sensor recognizes the following gestures:
• Menu item to previous menu item ("right” gesture, context sensitive) c) cancel actions (“down" gesture, context sensitive)
• g increase volume, for example in a telephone call or music playback ("far" gesture, context-dependent)
• the device via a Bluetooth connection 1 c to the car, or infotainment system or car radio 1 b of the car, standardized
• Bluetooth AVRCP is a profile for remote control of audio or video devices. It supports commands such as next song ("forward"), previous song (“backward”), pause & play, louder and quieter. These are used in wizard Chris as follows: a) Scroll from one list entry to the next list entry, such as in a list of contacts, songs or messages, or from one menu item to the next menu entry ("fast forward” and "forward” AVRCP command).
• AVRCP commands are processed by identifying device 1's Bluetooth connection 1c or optional device with the vehicle as the audio source that supports AVRCP commands. In the device 1 or additional device, the AVRCP commands are received and then converted and further transmitted as pure data models to the associated smartphone app, where they are then processed context-dependent upward Scheme. That way you can
• Input options for the vehicle are not only used for audio playback, but also for the control in menus and dialogs.
• Voice input, gesture control and control via input devices of the vehicle multimodal can be made complementary. For example, in a list of entries (such as contacts, songs, or messages), the following can be served:
• Vehicle input mechanism ("skip next") selects the next list entry
• Another advantage of the invention is a secure data output, which takes place in the form of the acoustic data output as a voice output and in the form of the visual data output as a display representation.
• information can be context-dependent, either only as a speech output (for example, during a demand in the dialog processing), only as a display representation (for example, display of a music album during the
• Music playback or as a combined display presentation and voice output (for example, displaying a contact and reading the name) take place.
• the device 1 has on its rear side 22 a fastening region 20, which is subdivided into two mirror-symmetrically arranged fastening sectors 23 and 24.
• the attachment sectors 23, 24 are arranged in a recess.
• the attachment sectors 23, 24 are arranged in mirror image and with mirror image positioned electrical contacts 25 provided. In the present embodiment, five electrical contacts 25 are arranged in each of the two attachment sectors 23, 24. Of course, it is also possible to arrange a larger or smaller number of electrical contacts.
• a magnet 9g is arranged.
• Side of the mounting portion 20 are openings 30 for speakers.
• FIG. 7 now shows the embodiment of the attachment region 21 on the mount 19.
• the attachment region 21 has only one attachment sector 26.
• the fastening sector 26 is designed as a rail in a semicircular design.
• a total of five electrical contacts 27 are arranged in the present embodiment, which with the
• a magnet 9g is arranged.
• a suction cup 28 for fixing the holder 19 on a smooth surface.
• FIG. 8 shows the completely assembled unit of device 1 and holder 19.
• Elevations are formed, have intervened in the mounted state in the recessed mounting sectors 23, 24 and made via the electrical contacts 25 and 27, which were brought into contact, the electrical connection. Since the attachment sectors 23, 24 are formed symmetrically identical to the device 1, the device 1 can be rotated by 180 ° and then contacted via the electrical contacts 25 and 27, the device 1 in inverted mounting position.
• the mechanical connection is realized by the interaction of the magnets 9d and 9g.
• USB port 29 is arranged in the present embodiment.
• the housing 2 has a rear housing part 9e, a ring 9c and a display 3 arranged in the ring 9c, as well as a printed circuit board 5.
• the ring 9c forms a central component of the overall housing construction. The ring 9c realizes the connection to the rear housing part 9e and takes in his
• FIG. 10 shows the enlarged detail view of the opening 40 and of a microphone 4a, which lies opposite the opening 40, connected by the sound channel 41.
• a gap 42 is arranged, in which, almost invisible to the viewer, the openings 40 are located.
• the sound passes through the openings 40 in the joint 42 via the sound channel 41 to the present in the present
• Embodiment designed as a directional microphone microphone 4a Embodiment designed as a directional microphone microphone 4a.
• FIG 11 now shows a front view of the display 3 and the ring 9c.
• the ring 9c has in its front region 40a, the gap 42, in which the openings 40 are arranged.
• a total of four openings 40 are arranged, which are positioned opposite the microphones 4a.

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• Engineering & Computer Science (AREA)
• Remote Sensing (AREA)
• Radar, Positioning & Navigation (AREA)
• Physics & Mathematics (AREA)
• Automation & Control Theory (AREA)
• General Physics & Mathematics (AREA)
• Human Computer Interaction (AREA)
• Theoretical Computer Science (AREA)
• General Health & Medical Sciences (AREA)
• Audiology, Speech & Language Pathology (AREA)
• Health & Medical Sciences (AREA)
• General Engineering & Computer Science (AREA)
• Mechanical Engineering (AREA)
• Transportation (AREA)
• Acoustics & Sound (AREA)
• Artificial Intelligence (AREA)
• Multimedia (AREA)
• Chemical & Material Sciences (AREA)
• Combustion & Propulsion (AREA)
• Telephone Function (AREA)
• Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
• User Interface Of Digital Computer (AREA)

Applications Claiming Priority (4)

Publications (1)

Family

ID=61622508

Family Applications (1)

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• 2018
  • 2018-02-20 JP JP2019542111A patent/JP2020514171A/ja active Pending
  • 2018-02-20 US US16/487,771 patent/US20200231169A1/en not_active Abandoned
  • 2018-02-20 EP EP18710337.9A patent/EP3583498A1/de not_active Ceased
  • 2018-02-20 WO PCT/EP2018/054163 patent/WO2018150052A1/de active Application Filing

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