WO2022268313A1 - Interior monitoring system for a vehicle and method for recognizing signs of life in the interior of a vehicle - Google Patents
Interior monitoring system for a vehicle and method for recognizing signs of life in the interior of a vehicle Download PDFInfo
- Publication number
- WO2022268313A1 WO2022268313A1 PCT/EP2021/067211 EP2021067211W WO2022268313A1 WO 2022268313 A1 WO2022268313 A1 WO 2022268313A1 EP 2021067211 W EP2021067211 W EP 2021067211W WO 2022268313 A1 WO2022268313 A1 WO 2022268313A1
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- Prior art keywords
- sensor
- interior
- vehicle
- vehicle interior
- sensors
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 38
- 238000000034 method Methods 0.000 title claims abstract description 25
- 230000033001 locomotion Effects 0.000 claims abstract description 59
- 238000011156 evaluation Methods 0.000 claims abstract description 50
- 230000003287 optical effect Effects 0.000 claims abstract description 25
- 238000001514 detection method Methods 0.000 description 18
- 230000029058 respiratory gaseous exchange Effects 0.000 description 6
- 238000004378 air conditioning Methods 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- 206010011469 Crying Diseases 0.000 description 1
- 241001465754 Metazoa Species 0.000 description 1
- 206010039203 Road traffic accident Diseases 0.000 description 1
- 206010041235 Snoring Diseases 0.000 description 1
- 208000003443 Unconsciousness Diseases 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
- 230000001020 rhythmical effect Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/18—Status alarms
- G08B21/22—Status alarms responsive to presence or absence of persons
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/18—Status alarms
- G08B21/24—Reminder alarms, e.g. anti-loss alarms
Definitions
- Interior monitoring system for a vehicle and method for detecting signs of life in the interior of a vehicle
- the invention relates to an interior monitoring system for detecting signs of life in the interior of a vehicle, with at least one motion sensor for detecting movements in the vehicle interior, at least one optical sensor for optically detecting the vehicle interior.
- the invention relates to a method for detecting signs of life in the interior of a vehicle, in particular for detecting small children and/or pets left in the vehicle.
- Interior monitoring systems for vehicles are known in particular from the area of anti-theft protection.
- alarm systems in combination with a corresponding sensor system consisting of ultrasonic or pressure sensors in the vehicle interior, the intrusion of people can be detected and reported via a corresponding alarm signal.
- occupant presence systems are known which can detect the presence of occupants in a vehicle interior using various sensors such as ultrasonic sensors, infrared sensors, cameras or radar sensors. Such an occupant presence system is disclosed in DE 10 2013 220 240 A1.
- interior monitoring systems are increasingly being used, which can detect signs of life in the vehicle interior with the help of one or more sensors.
- Such signs of life can come, for example, from small children and/or pets that knowingly or unknowingly stayed behind in the vehicle interior after the vehicle was parked.
- life-threatening situations for example due to overheating, have repeatedly occurred here, in which small children and infants in particular were injured.
- interior monitoring systems are used which are able to detect signs of life, such as the breathing of a living being. If signs of life are detected in the vehicle interior, corresponding information is transmitted to the vehicle owner and/or an emergency call is made so that children or pets left behind can be freed from the vehicle in good time.
- Such an interior monitoring system is known from CN 207449836 U, for example.
- radar sensors In the prior art, radar sensors, cameras or infrared sensors are usually used to detect signs of life in the vehicle interior. If one of the sensors fails, there is a risk that signs of life will only be insufficiently recognized. Furthermore, due to disturbance variables such as objects located in the vehicle interior, not all sensors are always able to adequately detect living beings left behind in the vehicle. This is particularly the case when the creatures left behind are hidden, for example, by objects located in the vehicle interior. In addition, the known systems are often not able to determine the exact position of a living being left behind in the vehicle determine, especially not when the living being is not on the seat and is therefore not recognized by the pressure sensors usually located in the seats.
- the present invention is therefore based on the object of creating an interior monitoring system for detecting signs of life in the interior of a vehicle, which is able to detect signs of life in different ways with the aid of various redundant sensor types despite possible interference variables.
- a further object of the invention is to create a method for detecting signs of life in the interior of a vehicle.
- An interior monitoring system which can be used to detect signs of life in the interior of a vehicle, comprises at least one motion sensor.
- the motion sensor is able to detect movements, for example the movements of a living being in the vehicle interior. Depending on the type of sensor, it is even possible to detect the smallest of movements, such as a rhythmic movement of a chest caused by breathing, so that sleeping creatures, for example, can also be identified.
- a plurality of motion sensors are preferably provided, which can detect movements on all seats and movements in the trunk of the vehicle.
- the interior monitoring system includes at least one optical sensor that optically detects the vehicle interior.
- the interior of the vehicle can be represented visually, so that living beings located in the interior of the vehicle and not covered can be visually depicted.
- a plurality of optical sensors are preferably arranged inside the vehicle interior, which optically detect the entire vehicle interior and each seat in the vehicle interior.
- the interior monitoring system includes at least one acoustic sensor that detects noises within the vehicle interior. Such sounds may be, for example, a child's voice, a baby's crying, or a pet's noise.
- the at least one acoustic sensor is preferably designed to be so sensitive that even relatively quiet noises, such as the breathing noises of a living being, clearing the throat, snoring or the like can be detected. It is particularly advantageous if several acoustic sensors are distributed in the vehicle interior in such a way that noises from every seat in the vehicle interior and preferably also from the trunk of the vehicle can be detected and localized.
- the interior monitoring system also includes an evaluation unit, by means of which the sensor data recorded by the movement sensor, the optical sensor and the acoustic sensor are evaluated for signs of life.
- the evaluation unit thus receives all the data recorded by the sensors and analyzes the data with regard to vital signs of a living being, ie the evaluation unit is preferably able to infer from the sensor data a living being corresponding to the data.
- the interior monitoring system has an interface via which the evaluation results of the evaluation unit can be transmitted to at least one device.
- a device can be, for example, one of the control units of the vehicle or else a portable external device, via which people located outside the vehicle can also receive the evaluation results.
- Signs of life that indicate life forms left behind in the vehicle interior can be detected in different ways by means of the different sensor types, namely movement, optical and acoustic sensors.
- the different sensor types create a redundancy that enables a relatively reliable detection and assignment of signs of life in the vehicle interior. If one sensor type fails, signs of life can be detected using the remaining sensors of another sensor type, for example. Furthermore, a sign of life detected by one type of sensor can be counter-checked using another type of sensor, so that the susceptibility to errors is significantly reduced compared to detection with just a single type of sensor. For example, the data from the motion sensor indicating signs of life can be checked visually using the optical sensor and thus confirmed or rejected.
- noises detected by the acoustic sensor that indicate signs of life can indicate the presence of a living being in the vehicle interior, with the presence of the living being in the vehicle interior being able to be confirmed, for example, with the aid of the optical sensor. It is possible that living beings are obscured by certain objects, so that at least the presence of a suspicious object that could obscure a life form can be recognized. Under certain circumstances, living beings also stay in an area of the vehicle interior which, depending on the arrangement of the sensors, may not be detected by all sensors, for example in the footwell. However, these areas are at least detected by the acoustic sensor and the motion sensor, so that living beings located in the vehicle interior can be reliably detected in any position and at any location, whether covered or not.
- the position of the creature in the vehicle interior can also be determined with the aid of the motion sensor or the optical sensor, which can, for example, save valuable time needed for rescue in the event of an accident.
- the at least one motion sensor that detects movements in the vehicle interior is a radar sensor. Even the smallest of movements can be detected using a radar sensor, so that vital parameters such as breathing or even the heartbeat of a living being can be recognized. In this way, conclusions can also be drawn about the condition of the living being in the vehicle interior, so that a potentially dangerous situation can be identified at an early stage. Movements can even be detected through objects using special radar systems, in particular Doppler radar systems, so that such a radar system can detect living beings hidden by objects, for example living beings that are in the trunk of the vehicle such as a dog in a crate or creatures covered by clothing or blankets.
- a camera enables visual recording of the vehicle interior.
- the corresponding image or video recordings captured by the camera and evaluated by the evaluation unit can be transmitted via the interface to an external device on which the vehicle interior can be viewed visually.
- At least one acoustic sensor for detecting noises inside the vehicle interior at least one further additional acoustic sensor for detecting noises outside of the vehicle
- This additional acoustic sensor for detecting noises outside the vehicle interior is preferably arranged outside the vehicle interior and acoustically detects the surroundings of the vehicle.
- a corresponding evaluation by means of the evaluation unit thus enables ambient noises to be filtered out, as a result of which the at least one acoustic sensor for detecting noises within the vehicle interior is improved in terms of its detection accuracy.
- the acoustic sensor for detecting noises inside or outside the vehicle interior is a microphone.
- a microphone is particularly suitable for recording speech sounds and is therefore particularly suitable for recognizing children. Furthermore, microphones are relatively inexpensive.
- the interior monitoring system is particularly preferably used in a passenger vehicle (car). The detection of signs of life of living beings left behind in the vehicle interior is particularly relevant in passenger cars in which children and/or pets are transported privately.
- the motion sensor, the optical sensor and the acoustic sensor form a preassembled sensor unit.
- the preassembled sensor unit makes it easier to install the sensors in the vehicle interior and also allows the sensors to be placed in a space-saving and unobtrusive manner
- the sensors are advantageously arranged on or in the roof liner of the vehicle interior. As a result, the sensors can detect a relatively large area of the vehicle interior and the seats arranged in the vehicle interior. Depending on
- the number of sensors can be kept relatively small.
- each row of seats in the vehicle interior has separate sensors, ie both the front row of seats and the rear row of seats or, depending on the vehicle type, a possible third row of seats are each equipped with their own sensors. Accordingly, each row of seats has at least one sensor of each sensor type. This enables direct and barrier-free recording of the respective seats in each row of seats, whereby the respective footwells can also be recorded.
- the sensors are located in a vertical plane that runs essentially longitudinally through the respective row of seats, with the vertical plane preferably running centrally through the seat surface of the individual seats in a row of seats. This arrangement ensures that the sensors can detect all relevant areas of the respective row of seats. These include in particular the seat and the footwell. This results in a relatively high probability of detection, in particular for the movement and optical sensors.
- the device to which the evaluation results are transmitted is, for example, a portable receiving device such as a smartphone.
- a portable receiving device such as a smartphone.
- the properties of the smartphone with regard to the display of image and sound as well as the high data transmission rates of the mobile network allow video data to be transmitted directly to a smartphone, so that the vehicle owner can view the interior of his vehicle directly on the smartphone without any time delay.
- the GPS coordinates with the location of the vehicle can be transmitted and displayed visually on a map on the smartphone.
- the evaluation results can also be transmitted to a central emergency call system, which can then send help to the relevant vehicle.
- the emergency call is preferably only made under certain conditions, for example depending on the state of health of the living being in the vehicle interior or when a critical interior temperature is reached.
- an acoustic warning signal can be emitted via the vehicle's alarm system, which signals a potentially dangerous situation to people in the vicinity.
- a further aspect of the present invention relates to a method for detecting signs of life in the interior of a vehicle, in particular a method using an interior monitoring system according to the invention.
- movements in the vehicle interior are detected by means of one or more movement sensors.
- the vehicle interior is optically recorded with the aid of at least one or more optical sensors, so that the vehicle interior with the corresponding seats can be imaged and thus represented visually.
- noises inside the vehicle interior are additionally detected by means of one or more acoustic sensors. In this way, in particular, noises originating from living beings can be detected, from which it can be concluded that living beings are present in the vehicle interior.
- the presence of a living being can then be additionally confirmed, for example.
- the sensor data collected from the sensors of the individual sensor types is evaluated using an evaluation unit with regard to signs of life in the vehicle interior, i.e. the data recorded by the sensors, such as movements, noises or visual representations, are preferably analyzed by the evaluation unit and compared with corresponding characteristic profiles of different living beings and can therefore be assigned to a living being.
- the corresponding evaluation results of the evaluation unit are then transmitted to at least one device, which informs the user about the evaluation results so that he can react accordingly.
- the evaluation results can be sent directly to a smartphone or to a central emergency call center.
- information can also be sent to a vehicle-internal control unit, so that the vehicle can independently initiate countermeasures.
- the air conditioning could be switched on or the windows or the sunroof of the vehicle could be at least partially opened to counteract a life-threatening rise in temperature in the vehicle interior, particularly in summer, or to ensure at least minimal air circulation in the vehicle interior.
- the position of the life form in the vehicle interior is preferably determined using the sensors.
- multiple movement sensors can be used to determine the position of the life form in the vehicle interior by triangulating the movement data and/or the acoustic data.
- the position of one or more living beings can be determined visually using the optical sensors.
- the position determination is particularly useful in dangerous situations, especially in the case of accidents, the precisely determined position of living beings in the vehicle interior can facilitate a quick rescue.
- At least one sensor of one sensor type is preferably used to detect signs of life, with at least one further sensor of another sensor type being used to determine the position of the living being.
- signs of life can be detected by means of the acoustic sensor, whereupon the position of the living being in the vehicle interior is determined relatively precisely by means of a number of movement sensors.
- a person to be informed such as the vehicle owner is not only informed about signs of life detected in the vehicle interior, but also receives information about the exact position of the living being in the vehicle interior and can check this information directly using the image captured by the optical sensors.
- a weighting map is advantageously stored in the evaluation unit, as a result of which the sensor data are weighted differently by the evaluation unit according to the weighting map. For example, a noise detected by the acoustic sensor could be weighted less than one of the
- Movement sensor detected movement in the vehicle interior, as the acoustic sensor is generally less precise and more sensitive to background noises that arise outside of the vehicle and could therefore supply incorrect data, especially in the case of low-volume noises. Accordingly, the weighting of the acoustic sensor
- Acoustic sensor signal also take place depending on the volume of the detected noises.
- the detection accuracy of the sensors can thus be significantly increased by the weighting map and the susceptibility to errors with regard to the detection of signs of life in the vehicle interior can be reduced.
- Vehicle interior detected by one or more acoustic sensors The acoustic sensors that are preferably additionally used for this purpose are preferably arranged inside the vehicle interior.
- the noises detected using these acoustic sensors or the corresponding sensor data of the acoustic sensors are processed by the evaluation unit in such a way that the sensor data of the interior sensor are filtered by means of the sensor data of the exterior sensor by differentiating the acoustic sensor data, whereby the Disturbing noises originating from outside the interior are compensated.
- the detection accuracy of the acoustic sensors for detecting the noises inside the vehicle compartment is increased, so that noises inside the vehicle compartment can be recognized better than without this additional acoustic sensor.
- the evaluation unit is preferably designed in such a way that data from other different sensor types can be used as a support.
- Further exemplary sensors can be pressure sensors or temperature sensors.
- a life form located on a seat can thus be detected with the aid of the pressure sensors, which are usually arranged in the seat surface of the seat. Since the pressure sensor cannot differentiate between a living being and an object, the pressure sensor can be used in addition to the sensor types already described.
- a temperature sensor can be used to measure the interior temperature, but on the other hand it can also support the detection of living beings by the temperature sensor detecting the heat emitted by a body.
- Other useful sensors could be humidity sensors or infrared sensors, for example.
- an interior monitoring system according to the invention is preferably used.
- the interior monitoring system according to the invention thus contributes to increasing the vehicle safety and delivers due to the different mutually cooperating and redundant
- Sensor types a particularly reliable system for detecting signs of life in the interior of a vehicle, which not only ensures the safety of children and pets left in the vehicle is increased, but also safety is increased in the event of a traffic accident.
- the method according to the invention also provides further reliability-enhancing measures that improve the recognition rate of the system.
- FIG. 1 shows the interior of a vehicle with an interior monitoring system according to the invention in a schematic and simplified side view
- FIG. 2 shows a preassembled sensor unit of the interior monitoring system of FIG. 1 in a schematic perspective view
- Figure 3 is a schematic representation of the
- FIG. 1 shows the interior 15 of a five-seater passenger vehicle 100 with a plurality of sensor units 20 of an interior monitoring system 10 shown in Figure 3 for detecting signs of life in the vehicle interior 15, in particular for detecting living beings such as children and/or pets that enter the vehicle interior 15 when vehicle 100 is parked consciously or unconsciously left behind.
- Two rows of seats A, B arranged one behind the other are arranged in the vehicle interior 15, with the front row of seats A having two seats 16A and the row B arranged behind it having three seats 16B.
- the interior monitoring system 10 comprises a preassembled modular sensor unit 20 for each row of seats A, B, each sensor unit 20 each have a motion sensor 21, an optical sensor 23, an acoustic sensor 25 and a temperature sensor 29.
- FIG. 2 shows the sensor unit 20, which includes a sensor housing 201 with an essentially rectangular end face. Within the sensor housing 201, the motion sensor 21, the optical sensor 23 and the acoustic sensor 25 are arranged adjacent to one another in a substantially rectangular arrangement.
- Each sensor unit 20 is arranged on the roof lining of the vehicle interior 15 and is arranged in relation to its respective row of seats A, B on a vertical plane running transversely to the direction of travel through the center of the respective seat surface of each row of seats A, B, so that each seat 16A, 16B is completely covered by the sensors 21, 23, 25 of each sensor unit assigned to the respective row of seats A, B
- the movement sensor 21 is designed as a Doppler radar 22 and is able to detect almost any movement in the vehicle interior 15 .
- the use of a Doppler radar 22 allows, in addition to the detection of larger movements, the detection of vital parameters such as the heartbeat of a living being or even the smallest movements of the living being's chest caused by breathing. As a result, the Doppler radar 22 is able to detect even barely perceptible movements of sleeping or unconscious living beings.
- the use of the Doppler radar 22 makes it possible to detect movements through objects that cover a living being in the vehicle interior 15 and thus prevent direct detection by a sensor 21, 23, 25. In this way, for example, life signs of a sleeping small child covered by a woolen blanket can be detected. Even if one of the motion sensors fails
- the other motion sensor 21 of the adjacent row of seats A, B Even detect signs of life through a car seat, so that by creating a redundancy, reliable detection of signs of life is possible at any time. It is therefore also possible to use the Doppler radar 22 to detect signs of life from living beings that are located in the trunk of the vehicle 100, such as a dog in a transport box.
- the possibility of detecting the signs of life of a living being through objects also allows the position of a living being to be determined in the vehicle interior 15.
- the two Doppler radar sensors 22 in the first row of seats A and the second row of seats B can be used to draw conclusions about the position of a living being in the vehicle interior 15 are drawn. This function is useful, for example, if a living being is not on one of the seats 16A, 16B and consequently does not trigger one of the pressure sensors 28 arranged in the seat surface of the respective seat 16A, 16B. This is the case in particular when there is a living being in the footwell of the respective row of seats A, B or in the trunk of vehicle 100 .
- the optical sensor 23 is designed as a camera 24 and is aligned within the sensor unit 20 in such a way that the entire seating area of each row of seats A, B is optically or visually completely recorded.
- the camera 24 enables high-resolution image and video recordings of the vehicle interior 15 to be recorded and is therefore able to capture, in particular, living beings, larger movements of living beings and other objects in the vehicle interior 15 .
- the camera 24 can contribute with regard to the anti-theft device of the vehicle 100 in that the theft of the vehicle 100 is filmed with the aid of the recordings of the camera 24 .
- the acoustic sensor 25 is designed as a microphone 26 and is used to detect noises inside and outside the vehicle interior 15, i.e. one of the two microphones 26 is used to detect noises in the vehicle interior 15 and the other of the two microphones 26 is used to detect noises is used outside the vehicle interior 15.
- a temperature sensor 29 is arranged in the sensor unit 20 and is used to measure the interior temperature, for example in order to record the temperature when signs of life are detected.
- the interior monitoring system 10 further includes a
- Evaluation unit 30 which evaluates the sensor data recorded by the sensors 21, 23, 25 to detect signs of life and transmits the evaluation results via an interface 40 to a device 45 designed as a smartphone 46, as shown in FIG.
- movements in the vehicle interior 15 are first detected by the movement sensor 21 and evaluated by the evaluation unit 30 .
- the evaluation unit 30 compares the movement data from the movement sensor 21 with stored characteristic profiles of different life forms in order to classify and identify the life form.
- the data from the optical sensor 23 and the acoustic sensor 25 are analyzed and compared with corresponding characteristic profiles in order to assign the detected signs of life to a living being.
- the detected sensor data can be weighted differently using a weighting map stored in evaluation unit 30 in order to reduce the susceptibility to error of the overall system by compensating for the error susceptibility of certain sensor types using the weighting map.
- the recorded sensor data of the microphone 26 are weighted less than the sensor data of the Doppler radar 22, since the microphone 26 tends to record noises that do not come from living beings, for example in a noisy environment, which could then be misinterpreted by the evaluation unit 30.
- Movement data are not very error-prone, since a parked vehicle 100 usually does not move or only moves very slightly and therefore also moves in the
- the sensor data of the two Doppler radar systems 22 can be evaluated with the aid of the evaluation unit 30 such that the position of the living being can be determined with the aid of the principle of triangulation after signs of life have already been detected in the vehicle interior 15 .
- the position of the living being can be determined with sufficient accuracy.
- the position determination can also be carried out in parallel with the life sign detection by using the Doppler radar systems 22 to determine the position and to Sign of life determination, for example, one of the microphones 26 is used.
- the evaluation unit 30 is able to evaluate the sensor data from two different sensors 21, 23, 25 of the same sensor type independently of one another. This results in the possibility, for example, of using one of the microphones 26 in order to filter out background noise that occurs outside of the vehicle interior 15 and thus to increase the error rate of the other microphone 26 for detecting noises inside the vehicle interior 15 .
- the evaluation unit 30 is connected via a CAN bus to an on-board computer or is integrated into it and connected to an interface 40, which transmits the evaluation results provided by the evaluation unit 30 to a smartphone 46, preferably to the smartphone 46 of the vehicle owner, via the mobile network. The latter then receives the information about the living being detected in vehicle 100 and about the position of the living being within the vehicle. Furthermore, the temperature detected by the temperature sensor 29 is also transmitted and the vehicle location determined by means of the GPS module of the vehicle 100 is also displayed, so that the vehicle owner can quickly find his way back to the vehicle 100 even in an unfamiliar environment. Interface 40 is also connected to control unit 48 of vehicle 100 . As a result, vehicle 100 can react independently to living beings detected in vehicle interior 15 .
- the radio upon detection of a child in vehicle 100, the radio could be turned on to provide a distraction.
- a telephone connection to the vehicle owner's smartphone 46 could also be set up so that he can be on the way to his vehicle 100 for example, can talk to the child in the vehicle.
- the temperature in the vehicle interior 15 rises, there is the possibility of switching on the air conditioning system of the vehicle 100 and/or opening the windows of the vehicle 100 at least partially, so that the air in the vehicle interior 15 is circulated.
- the alarm system of the vehicle 100 can emit an acoustic warning signal with a special characteristic in order to indicate the presence of people and/or animals in the vehicle interior 15 .
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Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
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PCT/EP2021/067211 WO2022268313A1 (en) | 2021-06-23 | 2021-06-23 | Interior monitoring system for a vehicle and method for recognizing signs of life in the interior of a vehicle |
DE112021007866.6T DE112021007866A5 (en) | 2021-06-23 | 2021-06-23 | INTERIOR MONITORING SYSTEM FOR A VEHICLE AND METHOD FOR DETECTING SIGNS OF LIFE IN THE INTERIOR OF A VEHICLE |
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PCT/EP2021/067211 WO2022268313A1 (en) | 2021-06-23 | 2021-06-23 | Interior monitoring system for a vehicle and method for recognizing signs of life in the interior of a vehicle |
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PCT/EP2021/067211 WO2022268313A1 (en) | 2021-06-23 | 2021-06-23 | Interior monitoring system for a vehicle and method for recognizing signs of life in the interior of a vehicle |
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Cited By (1)
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WO2024175288A1 (en) * | 2023-02-20 | 2024-08-29 | Mercedes-Benz Group AG | Method for detecting living beings in a vehicle interior, and vehicle |
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2021
- 2021-06-23 WO PCT/EP2021/067211 patent/WO2022268313A1/en active Application Filing
- 2021-06-23 DE DE112021007866.6T patent/DE112021007866A5/en active Pending
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DE102009061016B4 (en) * | 2009-08-07 | 2011-12-08 | Audi Ag | Vehicle and method for operating a parked vehicle |
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