WO2020058319A1 - An alarm system for safety belts and corresponding child safety seat - Google Patents

An alarm system for safety belts and corresponding child safety seat Download PDF

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Publication number
WO2020058319A1
WO2020058319A1 PCT/EP2019/074982 EP2019074982W WO2020058319A1 WO 2020058319 A1 WO2020058319 A1 WO 2020058319A1 EP 2019074982 W EP2019074982 W EP 2019074982W WO 2020058319 A1 WO2020058319 A1 WO 2020058319A1
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WO
WIPO (PCT)
Prior art keywords
signal
engagement
alarm system
locking
coupling
Prior art date
Application number
PCT/EP2019/074982
Other languages
French (fr)
Inventor
Andrea Giacomini
Him Leung CHAN
Original Assignee
Bhoop Ag
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Bhoop Ag filed Critical Bhoop Ag
Publication of WO2020058319A1 publication Critical patent/WO2020058319A1/en

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R22/00—Safety belts or body harnesses in vehicles
    • B60R22/48—Control systems, alarms, or interlock systems, for the correct application of the belt or harness
    • 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
    • G08B21/02—Alarms for ensuring the safety of persons
    • G08B21/0202—Child monitoring systems using a transmitter-receiver system carried by the parent and the child
    • G08B21/0266—System arrangements wherein the object is to detect the exact distance between parent and child or surveyor and item
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R22/00—Safety belts or body harnesses in vehicles
    • B60R22/48—Control systems, alarms, or interlock systems, for the correct application of the belt or harness
    • B60R2022/4808—Sensing means arrangements therefor
    • B60R2022/4816—Sensing means arrangements therefor for sensing locking of buckle
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R22/00—Safety belts or body harnesses in vehicles
    • B60R22/48—Control systems, alarms, or interlock systems, for the correct application of the belt or harness
    • B60R2022/4866—Displaying or indicating arrangements thereof
    • 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
    • G08B21/02—Alarms for ensuring the safety of persons
    • G08B21/0202—Child monitoring systems using a transmitter-receiver system carried by the parent and the child
    • G08B21/0277—Communication between units on a local network, e.g. Bluetooth, piconet, zigbee, Wireless Personal Area Networks [WPAN]

Definitions

  • the present invention relates to an alarm system for safety belts.
  • the present invention relates to an alarm system for safety belts capable of notifying an alert if a child is left inside the car or if the safety conditions in the retention of the safety belts themselves are modified.
  • the present invention relates to a child safety seat, comprising the aforesaid alarm system for safety belts.
  • the direct monitoring systems are typically attained by means of a device to put on the child, e.g. a bracelet, capable of communicating with a device separated therefrom, for example the mobile communication device of the adult person.
  • a device to put on the child e.g. a bracelet
  • Such devices have the disadvantage of always being connected to the child, even outside of the vehicle and hence being subjected to breakage even during non-operative conditions.
  • the indirect monitoring systems are presently the most widespread and allow the indirect monitoring of the child by means of the direct monitoring of the seat or of a part thereof, reminding the driver of the presence of the child through visual and/or sound alarms.
  • indirect monitoring systems are known that are attained by means of a child weight recognition system. These are, for example, attained by means of a device to be inserted at the seating place of the child or at the relative seat.
  • Such systems have, however, the disadvantage of requiring the exact identification of the child seating place, as well as the correct positioning for ensuring a suitable operation.
  • one problem relative to the aforesaid additional solutions consists of the fact of requiring additional devices which still may not resolve the problem of forgetting the child, due to the need to put the devices themselves in safety conditions as well as to safely arrange the child inside the vehicle. Therefore, the presence of the aforesaid systems does not ensure the driver the actual functionality thereof in case of incorrect activation.
  • Object of the present invention is to provide an alarm system for safety belts capable of minimizing the aforesaid problems.
  • Still another object of the present invention is to provide an alarm system for safety belts capable of monitoring the child without having to add further additional devices with respect to the normal safety systems that equip the car or the seat.
  • one object of the present invention is to supply an alarm system for safety belts capable of verifying the correct management of the anchoring device for the safety belts.
  • the alarm system for safety belts comprises an anchoring device provided with at least one coupling element and with at least one locking buckle, in which the coupling element is provided with a portion for retaining the safety belts and with an engagement portion and in which the locking buckle is provided with an anchoring portion and with a locking portion, in which the engagement portion of the coupling element is adapted to be engaged with the locking buckle within the locking portion,
  • the alarm system is characterized in that the anchoring device comprises first sensor means, adapted to generate a first engagement signal or a first disengagement signal for engaging/disengaging the locking buckle, and first transmission means for transmitting the first engagement signal or the first disengagement signal
  • the alarm system further comprises a portable control device separated from, and adapted to be operatively connected to the anchoring device, and provided with a base portion and with at least one coupling portion, in which the coupling portion is adapted to be alternatively engaged to the base portion or to the locking portion of the locking buckle, in which the portable control device comprises second sensor means, adapted to generate a second engagement signal
  • the first sensor means are adapted to generate the first engagement signal alternatively as presence signal indicating the presence of each of the coupling elements or the coupling portion within the locking portion, in which the first sensor means are adapted to generate the first disengagement signal alternatively as absence signal indicating the absence of at least one of the coupling elements within the locking portion, in which the second sensor means are adapted to generate the second engagement signal as signal for coupling the coupling portion to the base portion, and in which the second sensor means are adapted to generate the second disengagement signal as signal for uncoupling the coupling portion from the base portion.
  • the coupling portion is adapted to put the alarm system in operative condition when engaged with the base portion, generating the second engagement signal, and is adapted to put the alarm system in non-operative condition, when engaged with the locking portion of the locking buckle, generating the first engagement signal.
  • the activation of the alarm system is obtained by removing the coupling portion and with its arrangement in the relative base portion, thus automatically operating the activation and deactivation of the system as a function of the normal safe arrangement of the child.
  • the control means are adapted to generate the alarm by means of the signalling means if the matching is constituted by the first engagement signal and by the second engagement signal and the portable control device is spaced from the anchoring device by a distance greater than a predefined distance, or the control means are adapted to generate the alarm by means of the signalling means if the matching sequence is first constituted by the match between the first engagement signal and the second engagement signal and subsequently by the match between said first disengagement signal and said second engagement signal.
  • the alarms generated by means of the aforesaid matches therefore allow, on one hand, warning the driver of the non-removal of the child from the vehicle and on the other hand warning the same driver about the deactivation of the safety system, e.g. relative to the release of the belts with respect to the anchoring device, when the vehicle is being driven.
  • the locking portion of the locking buckle is provided with a single seat for the simultaneous engagement of the engagement portions, or in which the locking portion of the locking buckle is provided with a plurality of separate seats, each for the separate engagement of each of the engagement portions.
  • the first sensor means and the second sensor means are attained by means of proximity sensors.
  • the first sensor means are proximity sensors of the electromagnetic type, in which the engagement portion is provided with a permanent magnet and the locking buckle is provided with a circuit for detecting the magnetic field generated by the permanent magnet within the locking portion
  • the second sensor means are proximity sensors of the electromagnetic type, in which the coupling portion is provided with a permanent magnet and the base portion is provided with a circuit for detecting the magnetic field generated by the permanent magnet.
  • the first transmission means and the second transmission means are of the wireless type, preferably attained by means of Bluetooth technology.
  • the anchoring device is provided with two coupling elements and with a locking buckle, in which each of the coupling elements is provided with a retaining portion for retaining the safety belts and with an engagement portion, in which the engagement portions are adapted to be engaged with the locking portion of the locking buckle.
  • the present invention relates to a child safety seat.
  • the child safety seat comprises one or more safety belts and an alarm system for the safety belts according to one or more of the appended claims, in which the safety system allows the anchoring and the use of the safety belts in the child retention operative conditions.
  • FIG. 1 is a perspective view in exploded configuration of the preferred embodiment of the anchoring device of the alarm system for safety belts, in accordance with the present invention
  • FIG. 2 is an exploded perspective view in exploded configuration of the preferred embodiment of the portable control device of the alarm system for safety belts, in accordance with the present invention
  • FIG. 3 is a schematic view of the match between the signals generated respectively by the anchoring device and by the portable control device, in accordance with the present invention.
  • the alarm system for safety belts comprises an anchoring device 1, illustrated in detail in Figure 1, and a portable control device 2, illustrated in Figure 2.
  • the anchoring device 1 comprises two coupling elements l l, 12, each of which provided with a retaining portion 111 , 121 for retaining the safety belts (not illustrated) and with an engagement portion 112, 122.
  • the anchoring device 1 further comprises a locking buckle 13 provided with an anchoring portion 131 and with a locking portion 132, in which the engagement portions 112, 122 are adapted to be engaged with the locking portion 132 of the locking buckle 13.
  • the locking portion 132 of the locking buckle 13 is provided with a single seat for the simultaneous engagement of the engagement portions 112, 122.
  • the latter consequently have a structure such to define a single element following the mutual coupling and the insertion of the aforesaid single element within the seat made with the locking portion 132, as hereinbelow described in more detail.
  • the locking portion of the locking buckle can be provided with a plurality of distinct seats, each for the separate engagement of each of the engagement portions of each coupling element.
  • Such configuration allows ensuring the optimal operation of the safety system constituted by the assembly of the safety belts and the anchoring device 1.
  • the alarm system for safety belts could further comprise an anchoring device provided with a different number of coupling elements of locking buckles without modifying the inventive concept according to the present invention, i.e. at least one coupling element and at least one locking buckle, as a function of the type of safety system to be defined.
  • the anchoring device 1 comprises first sensor means.
  • the first sensor means are adapted to generate a first engagement signal or a first disengagement signal for engaging/disengaging the locking buckle 13.
  • the first sensor means are attained by means of proximity sensors 113, 123, in particular integrated at the respective engagement portions 112, 122 of each coupling element 11, 12.
  • Such first sensor means 113, 123 are of the electromagnetic type, in which each engagement portion 112, 122 is provided with a permanent magnet and the locking buckle 13 is provided with a circuit (not illustrated) for detecting the magnetic field generated by the aforesaid permanent magnet when the engagement portions 112, 122 are arranged within the locking portion 132.
  • the first sensor means 113, 123 are capable of identifying if both the engagement portions 112, 122 are correctly arranged within the locking portion 132.
  • the first sensor means 113, 123 are adapted to generate the first engagement signal as presence signal indicating the presence of each of the coupling elements 11, 12, i.e. of the relative engagement portions 112, 122, within the locking portion 132.
  • the first sensor means 113, 123 are adapted to generate the first disengagement signal as absence signal indicating the absence of at least one of the coupling elements 11, 12, i.e. of the relative engagement portions 112, 122, within the same locking portion 132.
  • the anchoring device 1 further comprises first transmission means 14 for transmitting the first engagement signal or the first disengagement signal, depending on when it is generated by the aforesaid first sensor means 113, 123 and described in detail hereinbelow.
  • the first transmission means 14 therefore allow transmitting the information relative to the possible engagement of the seat of the locking portion 132 with respect to the coupling elements 11, 12 or, as hereinbelow described in greater detail, of further elements that are part of the alarm system, object of the present invention.
  • the first transmission means 14 are of the wireless type, and still more preferably are attained by means of Bluetooth technology. In such a manner, it is possible to ensure an effective data transfer even outside the anchoring device 1 itself, in relation to the management logic that one wishes to attain.
  • the alarm system further comprises a portable control device 2 separated from, and adapted to be operatively connected to the anchoring device 1, and provided with a base portion 21 and with at least one coupling portion 22.
  • the portable control device 2 comprises second sensor means 23, adapted to generate a second engagement signal or a second disengagement signal for engaging/disengaging the base portion 21.
  • the portable control device 2 comprises second transmission means for transmitting the second engagement signal or the second disengagement signal.
  • the second sensor means 23 are attained by means of proximity sensors, preferably integrated in the coupling portion 22.
  • Such second sensor means 23 are of the electromagnetic type, in which the coupling portion 22 is provided with a permanent magnet and the base portion 21 is provided with a circuit for detecting the magnetic field generated by the aforesaid permanent magnet when the coupling portion 22 is arranged within, or generally coupled to the base portion 21.
  • the second sensor means 23 are capable of identifying if the coupling portion 22 is correctly arranged within, or generally coupled to the base portion 21.
  • the second sensor means 23 are adapted to generate the second engagement signal as signal for coupling the coupling portion 22 to the base portion 21.
  • the second sensor means 23 are adapted to generate the second disengagement signal as signal for uncoupling the coupling portion 22 from the base portion 21.
  • the portable control device 2 further comprises first transmission means (not illustrated) for transmitting the second engagement signal or the second disengagement signal, depending on when it is generated by the aforesaid second sensor means 23 and described in detail hereinbelow.
  • the second transmission means therefore allow transmitting the information relative to the possible engagement of the base portion 21 with respect to the coupling portion 22 or, as hereinbelow described in greater detail, of further elements that are a part of the alarm system, object of the present invention.
  • the second transmission means are of the wireless type, and still more preferably attained by means of Bluetooth technology.
  • the second transmission means are of the wireless type, and still more preferably attained by means of Bluetooth technology.
  • the alarm system in accordance with the present invention comprises control means (not illustrated), operatively connected to the first 14 and second transmission means.
  • control means operatively connected to the first 14 and second transmission means.
  • This allows the system to process the engagement or disengagement signals coming from the anchoring device 1 or from the portable control device 2 in order to verify the signal matches generated by the aforesaid devices.
  • the control means are adapted to evaluate the match between the aforesaid first engagement signal or first disengagement signal and the aforesaid second engagement signal or second disengagement signal. Such evaluation allows generating an alarm if the matching corresponds to one of the predefined alarm matches and/or if the sequence of the matches corresponds to one of the predefined matching sequences.
  • the system is further provided with suitable signalling means by means of which it is possible to generate the aforesaid alarm.
  • signalling means can by way of example comprise visual/acoustic signalling means capable of warning the driver with respect to the generated alarm.
  • the control means can be arranged within one of the devices that are part of the safety system, i.e. within the anchoring device or within the portable control device, actually eliminating the need to use elements outside of the system.
  • the coupling portion 22 is determined by the coupling portion 22 as a function of its coupling with the devices of the system itself.
  • the coupling portion 22 is adapted to be alternatively engaged with the base portion 21 of the portable control device 2, being an integral part thereof, or with the locking portion 132 of the locking buckle 13.
  • the shape of the coupling portion 22 is such to repeat the shape of the single element generated by the engagement portions 112, 122 following the mutual coupling.
  • the anchoring device could be provided with a different seat for coupling with the aforesaid coupling portion.
  • the first sensor means are adapted to generate the first engagement signal alternatively as presence signal indicating the presence of each one of the coupling elements 11 , 12 or of the coupling portion 22 within the locking portion 132.
  • the coupling portion 22 when engaged with the base portion 21 generates the second engagement signal, arranging the alarm system in operative conditions, while when engaged with the locking portion 132 of the locking buckle 13 it generates the first engagement signal, arranging the alarm system in non-operative conditions.
  • a starting configuration is assumed in which the coupling portion 22 is arranged within the locking portion 132 of the locking buckle 13, arranging the alarm system in non-operative conditions and actually preventing the possibility of coupling the belts to the anchoring device 1.
  • the first sensor means generate the first engagement signal, as presence signal indicating the presence of the coupling portion 22 within the locking portion 132, while the second sensor means generate the second disengagement signal.
  • the alarm system would maintain its placement in non-operative conditions since the second disengagement signal type would not be modified, given that the engagement portions 112, 122 are not suitable for generating the second engagement signal for engaging with the base portion 21.
  • the activation of the alarm system requires the removal of the coupling portion 22 and its arrangement in the relative base portion 21.
  • Such configuration allows the second sensor means to correctly generate the second engagement signal.
  • the first sensor means are capable of correctly generating the first engagement signal.
  • the activation of the alarm system is therefore a function of the match between two signals respectively coming from the anchoring device 1 and from the portable control device 2.
  • the matching of both the engagement signals allows the activation of the alarm system. It is therefore possible to automatically operate the activation and deactivation of the system as a function of the normal child safety arrangement.
  • the signalling means may be capable of signalling, to the driver, the activation of the alarm system, by sending of a sound signal, for example a single beep, and/or by means of the sending of a light signal, for example the continuous light of a green LED.
  • the control means can start to operate, verifying the matches between the signals received by the anchoring device 1 and by the portable control device 2. Such verification can for example occur in a cyclic mode with controls and/or reception of the aforesaid signals at predefined time instants. In the same manner, it is possible to carry out such verification, for example, in PUSH mode or with indication of the type of signal by the device that has undergone the modification.
  • the control means are therefore adapted to generate an alarm by means of the signalling means if the aforesaid match, constituted by the first engagement signal and by the second engagement signal, is maintained and if the portable control device 2 is spaced from the anchoring device 1 by a distance greater than a predefined distance.
  • Such alarm for example corresponds with the driver moving away from the vehicle and by the simultaneous presence of the child within the vehicle itself, i.e. the typical condition of the child being left in the vehicle.
  • control means must be capable of determining the mutual positioning of the anchoring device 1 and of the portable control device 2.
  • the control means In order to determine the mutual positioning, it is for example possible to make use of the relative first and second transmission means, e.g. generating an alarm when these are spaced in a manner such as not to perceive any mutual signal.
  • suitable means for identifying the position for example by means of GPS module coupled to one of the aforesaid devices.
  • the signalling means can be capable of signalling, to the driver, the activation of the alarm relative to the child being left in the vehicle, by means of the sending of a sound signal, e.g. a continuous beep, and/or by means of the sending of a light signal, e.g. the intermittent light of a red LED.
  • a sound signal e.g. a continuous beep
  • a light signal e.g. the intermittent light of a red LED.
  • the alarm system according to the present invention is further capable of generating an alarm in particular operative conditions, i.e. when a predefined sequence is verified.
  • the control means are for example adapted to generate an alarm by means of the signalling means if the matching sequence is constituted first by the match between the first engagement signal and the second engagement signal, corresponding to the placement of the alarm system in operative conditions, and subsequently by the match between said first disengagement signal and said second engagement signal.
  • the second matching in particular identifies the situation in which one or more of the engagement portions 112, 122 for engaging the coupling elements 11, 12 are detached from the locking portion 132, while maintaining the coupling portion 22 associated with the base portion 21.
  • Such arrangement can for example identify the possibility of undesired release of the child from his/her safety system, due to failure of the safety system itself or autonomous intervention of the child.
  • the signalling means can be capable of signalling, to the driver, the activation of the alarm relative to the lack of driving safety, by means of sending a sound signal, e.g. a single beep repeated multiple times, and/or by means of sending a light signal, e.g. intermittent light of a white LED.
  • the present invention further relates to a child safety seat, not illustrated.
  • the child safety seat comprises one or more safety belts and an alarm system for the safety belts as described above, therefore the alarm system and the relative operation will not be further described.
  • the safety system defined by the safety belts and by the anchoring device allows the anchoring and use of the safety belts in the operative conditions for retaining the child in the seat and the alarm system allows operating the alarms, signalling when the child has been forgotten or the accidental release of the safety system according to that described above.
  • the alarm system it is possible to generate alarms as a function of the matches between the signals coming from the anchoring device and the portable control device. This allows, on one hand, warning the driver that the child was left in the vehicle, and on the other hand warning the same driver of the deactivation of the safety system, for example relative to the release of the belts with respect to the anchoring device, when the vehicle is being driven.
  • the alarm system according to the present invention can be completely integrated in the safety system constituted by the anchoring device and by the relative safety belts, without having to provide for interventions on the belts themselves or the arrangement and activation of additional child control devices or devices for controlling the presence of the child in the vehicle.

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  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Child & Adolescent Psychology (AREA)
  • General Health & Medical Sciences (AREA)
  • Automation & Control Theory (AREA)
  • Mechanical Engineering (AREA)
  • Emergency Alarm Devices (AREA)

Abstract

The present invention relates to an alarm system for safety belts comprising an anchoring device (1) comprising first sensor means (113, 123), adapted to generate a first engagement signal or a first disengagement signal for engaging/ disengaging a locking buckle (13), and first transmission means (14) for transmitting the first engagement signal or the first disengagement signal, said alarm system further comprises a portable control device (2) separated from, and adapted to be operatively connected to the anchoring device (1), and comprising second sensor means (23), adapted to generate a second engagement signal or a second disengagement signal for engaging/ disengaging a base portion (21), and second transmission means for transmitting the second engagement signal or the second disengagement signal, wherein the alarm system comprises control means, operatively connected to the first (14) and to the second transmission means, and signalling means, wherein the control means are adapted to evaluate the match between the first engagement signal or the first disengagement signal and the second engagement signal or the second disengagement signal and to generate an alarm by means of the signalling means if the matching corresponds to one of the predefined alarm matches and/or if the sequence of the matches corresponds to one of the predefined matching sequences.

Description

AN ALARM SYSTEM FOR SAFETY BELTS AND
CORRESPONDING CHILD SAFETY SEAT
Field of the invention
The present invention relates to an alarm system for safety belts. In particular, the present invention relates to an alarm system for safety belts capable of notifying an alert if a child is left inside the car or if the safety conditions in the retention of the safety belts themselves are modified.
In a further aspect, the present invention relates to a child safety seat, comprising the aforesaid alarm system for safety belts.
Prior art
The increasing need to move, both short range and long range, has considerably increased the time that is spent inside vehicles. Such increase is evident for the driver as well as for the transported people, such as children and generally people unable to drive.
The transportation of children is, in particular, extremely critical since they often fall asleep during the movement of the vehicle. Consequently, it can happen that a driver forgets that he/she is transporting a child, in particular if the latter has an age such that he/she is unable to communicate with the driver himself/herself or if the child remains silent for a long time period. Forgetting a child inside a vehicle can cause serious lesions or the death of the child due to extreme conditions of temperature and dehydration that arise.
The safety of the transported people, both active and passive, has undergone considerable improvement in recent years, so as to considerably reduce the probabilities and the consequences of lesions due to impact in case of accident. At the same time, however, the number of lesions or deaths due to forgetting children in vehicles has not undergone the same reduction and it is still a considerable problem whose remedy is sought.
In the state of the art, there are different types of alarm devices which intervene in the case of forgetting the child in the vehicle. In particular, safety systems are known which monitor the child, so-called direct monitoring systems, and safety systems are known which monitor the child transport device itself, i.e. the seat, so-called indirect monitoring systems.
The direct monitoring systems are typically attained by means of a device to put on the child, e.g. a bracelet, capable of communicating with a device separated therefrom, for example the mobile communication device of the adult person. Such devices have the disadvantage of always being connected to the child, even outside of the vehicle and hence being subjected to breakage even during non-operative conditions.
The indirect monitoring systems are presently the most widespread and allow the indirect monitoring of the child by means of the direct monitoring of the seat or of a part thereof, reminding the driver of the presence of the child through visual and/or sound alarms.
In particular, indirect monitoring systems are known that are attained by means of a child weight recognition system. These are, for example, attained by means of a device to be inserted at the seating place of the child or at the relative seat. Such systems have, however, the disadvantage of requiring the exact identification of the child seating place, as well as the correct positioning for ensuring a suitable operation.
Further indirect monitoring systems provide for additional devices to be coupled to the safety belts in order to maintain and verify the spacing thereof. Such systems have however the disadvantage of operating on the main safety system with the risk of compromising the correct operation thereof in relation to the modification of the positioning with respect to the positioned assumed by the child. In addition, the coupling signal could also persist although the safety device is put in non-operative conditions, e.g. when the safety belts are not coupled with the relative buckle.
In addition, one problem relative to the aforesaid additional solutions consists of the fact of requiring additional devices which still may not resolve the problem of forgetting the child, due to the need to put the devices themselves in safety conditions as well as to safely arrange the child inside the vehicle. Therefore, the presence of the aforesaid systems does not ensure the driver the actual functionality thereof in case of incorrect activation.
In addition, the use of additional devices involves the need to arrange each used device of the relative safety system, or to move the available safety system as a function of the seating place of the child or of the seat used.
It would therefore be desirable to have an alarm system for safety belts capable of minimizing the abovementioned drawbacks. In particular, it would be desirable to have an alarm system for safety belts capable of allowing an effective management of the alarm in the case of forgetting the child in the vehicle.
Summary of the invention
Object of the present invention is to provide an alarm system for safety belts capable of minimizing the aforesaid problems.
Still another object of the present invention is to provide an alarm system for safety belts capable of monitoring the child without having to add further additional devices with respect to the normal safety systems that equip the car or the seat.
Finally, one object of the present invention is to supply an alarm system for safety belts capable of verifying the correct management of the anchoring device for the safety belts.
The abovementioned objects are achieved by an alarm system for safety belts, in accordance with the appended claims.
The alarm system for safety belts comprises an anchoring device provided with at least one coupling element and with at least one locking buckle, in which the coupling element is provided with a portion for retaining the safety belts and with an engagement portion and in which the locking buckle is provided with an anchoring portion and with a locking portion, in which the engagement portion of the coupling element is adapted to be engaged with the locking buckle within the locking portion, the alarm system is characterized in that the anchoring device comprises first sensor means, adapted to generate a first engagement signal or a first disengagement signal for engaging/disengaging the locking buckle, and first transmission means for transmitting the first engagement signal or the first disengagement signal, the alarm system further comprises a portable control device separated from, and adapted to be operatively connected to the anchoring device, and provided with a base portion and with at least one coupling portion, in which the coupling portion is adapted to be alternatively engaged to the base portion or to the locking portion of the locking buckle, in which the portable control device comprises second sensor means, adapted to generate a second engagement signal or a second disengagement signal for engaging/disengaging the base portion, and second transmission means for transmitting the second engagement signal or the second disengagement signal, in which the alarm system comprises control means, operatively connected to the first and second transmission means, and signalling means, in which said control means are adapted to evaluate the match between said first engagement signal or said first disengagement signal and said second engagement signal or said second disengagement signal and to generate an alarm by means of the signalling means if the match corresponds to one of the predefined alarm matches and/or if the sequence of the matches corresponds to one of the predefined matching sequences. Thus, the activation of the alarm is defined by the match between multiple signals, capable of generating a more effective management logic.
The first sensor means are adapted to generate the first engagement signal alternatively as presence signal indicating the presence of each of the coupling elements or the coupling portion within the locking portion, in which the first sensor means are adapted to generate the first disengagement signal alternatively as absence signal indicating the absence of at least one of the coupling elements within the locking portion, in which the second sensor means are adapted to generate the second engagement signal as signal for coupling the coupling portion to the base portion, and in which the second sensor means are adapted to generate the second disengagement signal as signal for uncoupling the coupling portion from the base portion.
In particular, the coupling portion is adapted to put the alarm system in operative condition when engaged with the base portion, generating the second engagement signal, and is adapted to put the alarm system in non-operative condition, when engaged with the locking portion of the locking buckle, generating the first engagement signal.
Therefore, the activation of the alarm system is obtained by removing the coupling portion and with its arrangement in the relative base portion, thus automatically operating the activation and deactivation of the system as a function of the normal safe arrangement of the child.
The control means are adapted to generate the alarm by means of the signalling means if the matching is constituted by the first engagement signal and by the second engagement signal and the portable control device is spaced from the anchoring device by a distance greater than a predefined distance, or the control means are adapted to generate the alarm by means of the signalling means if the matching sequence is first constituted by the match between the first engagement signal and the second engagement signal and subsequently by the match between said first disengagement signal and said second engagement signal.
The alarms generated by means of the aforesaid matches therefore allow, on one hand, warning the driver of the non-removal of the child from the vehicle and on the other hand warning the same driver about the deactivation of the safety system, e.g. relative to the release of the belts with respect to the anchoring device, when the vehicle is being driven.
The locking portion of the locking buckle is provided with a single seat for the simultaneous engagement of the engagement portions, or in which the locking portion of the locking buckle is provided with a plurality of separate seats, each for the separate engagement of each of the engagement portions.
The first sensor means and the second sensor means are attained by means of proximity sensors. Preferably, the first sensor means are proximity sensors of the electromagnetic type, in which the engagement portion is provided with a permanent magnet and the locking buckle is provided with a circuit for detecting the magnetic field generated by the permanent magnet within the locking portion, and in which the second sensor means are proximity sensors of the electromagnetic type, in which the coupling portion is provided with a permanent magnet and the base portion is provided with a circuit for detecting the magnetic field generated by the permanent magnet.
The first transmission means and the second transmission means are of the wireless type, preferably attained by means of Bluetooth technology.
The anchoring device is provided with two coupling elements and with a locking buckle, in which each of the coupling elements is provided with a retaining portion for retaining the safety belts and with an engagement portion, in which the engagement portions are adapted to be engaged with the locking portion of the locking buckle.
In a further aspect, the present invention relates to a child safety seat.
The child safety seat comprises one or more safety belts and an alarm system for the safety belts according to one or more of the appended claims, in which the safety system allows the anchoring and the use of the safety belts in the child retention operative conditions.
Description of the figures
These and further characteristics and advantages of the present invention will be evident from the description of the preferred embodiment, illustrated by way of a non-limiting example in the enclosed figures, in which:
- figure 1 is a perspective view in exploded configuration of the preferred embodiment of the anchoring device of the alarm system for safety belts, in accordance with the present invention;
- figure 2 is an exploded perspective view in exploded configuration of the preferred embodiment of the portable control device of the alarm system for safety belts, in accordance with the present invention;
- figure 3 is a schematic view of the match between the signals generated respectively by the anchoring device and by the portable control device, in accordance with the present invention.
Detailed description of the invention
With reference to Figures 1 and 2, a first embodiment of the alarm system for safety belts (not illustrated) is illustrated, in accordance with the present invention.
In the embodiment illustrated in Figures 1 and 2, the alarm system for safety belts comprises an anchoring device 1, illustrated in detail in Figure 1, and a portable control device 2, illustrated in Figure 2.
In the embodiment illustrated herein in Figure 1, the anchoring device 1 comprises two coupling elements l l, 12, each of which provided with a retaining portion 111 , 121 for retaining the safety belts (not illustrated) and with an engagement portion 112, 122.
The anchoring device 1 further comprises a locking buckle 13 provided with an anchoring portion 131 and with a locking portion 132, in which the engagement portions 112, 122 are adapted to be engaged with the locking portion 132 of the locking buckle 13. In particular, in the embodiment illustrated in Figure 1, the locking portion 132 of the locking buckle 13 is provided with a single seat for the simultaneous engagement of the engagement portions 112, 122. The latter consequently have a structure such to define a single element following the mutual coupling and the insertion of the aforesaid single element within the seat made with the locking portion 132, as hereinbelow described in more detail. According to a further embodiment, not illustrated, the locking portion of the locking buckle can be provided with a plurality of distinct seats, each for the separate engagement of each of the engagement portions of each coupling element.
Such configuration, of the known type, allows ensuring the optimal operation of the safety system constituted by the assembly of the safety belts and the anchoring device 1.
The alarm system for safety belts could further comprise an anchoring device provided with a different number of coupling elements of locking buckles without modifying the inventive concept according to the present invention, i.e. at least one coupling element and at least one locking buckle, as a function of the type of safety system to be defined.
In order to allow the correct management of the couplings for use in the alarm system according to the present invention, the anchoring device 1 comprises first sensor means. In particular, the first sensor means are adapted to generate a first engagement signal or a first disengagement signal for engaging/disengaging the locking buckle 13.
In the embodiment illustrated herein, the first sensor means are attained by means of proximity sensors 113, 123, in particular integrated at the respective engagement portions 112, 122 of each coupling element 11, 12. Such first sensor means 113, 123 are of the electromagnetic type, in which each engagement portion 112, 122 is provided with a permanent magnet and the locking buckle 13 is provided with a circuit (not illustrated) for detecting the magnetic field generated by the aforesaid permanent magnet when the engagement portions 112, 122 are arranged within the locking portion 132.
At any rate, the first sensor means 113, 123 are capable of identifying if both the engagement portions 112, 122 are correctly arranged within the locking portion 132. In particular, the first sensor means 113, 123 are adapted to generate the first engagement signal as presence signal indicating the presence of each of the coupling elements 11, 12, i.e. of the relative engagement portions 112, 122, within the locking portion 132. In the same manner, the first sensor means 113, 123 are adapted to generate the first disengagement signal as absence signal indicating the absence of at least one of the coupling elements 11, 12, i.e. of the relative engagement portions 112, 122, within the same locking portion 132.
Furthermore, the anchoring device 1 further comprises first transmission means 14 for transmitting the first engagement signal or the first disengagement signal, depending on when it is generated by the aforesaid first sensor means 113, 123 and described in detail hereinbelow. The first transmission means 14 therefore allow transmitting the information relative to the possible engagement of the seat of the locking portion 132 with respect to the coupling elements 11, 12 or, as hereinbelow described in greater detail, of further elements that are part of the alarm system, object of the present invention.
Preferably, the first transmission means 14 are of the wireless type, and still more preferably are attained by means of Bluetooth technology. In such a manner, it is possible to ensure an effective data transfer even outside the anchoring device 1 itself, in relation to the management logic that one wishes to attain.
The alarm system further comprises a portable control device 2 separated from, and adapted to be operatively connected to the anchoring device 1, and provided with a base portion 21 and with at least one coupling portion 22.
The portable control device 2 comprises second sensor means 23, adapted to generate a second engagement signal or a second disengagement signal for engaging/disengaging the base portion 21. In the same manner, the portable control device 2 comprises second transmission means for transmitting the second engagement signal or the second disengagement signal.
In the embodiment illustrated herein, also the second sensor means 23 are attained by means of proximity sensors, preferably integrated in the coupling portion 22. Such second sensor means 23 are of the electromagnetic type, in which the coupling portion 22 is provided with a permanent magnet and the base portion 21 is provided with a circuit for detecting the magnetic field generated by the aforesaid permanent magnet when the coupling portion 22 is arranged within, or generally coupled to the base portion 21.
At any rate, the second sensor means 23 are capable of identifying if the coupling portion 22 is correctly arranged within, or generally coupled to the base portion 21. In particular, the second sensor means 23 are adapted to generate the second engagement signal as signal for coupling the coupling portion 22 to the base portion 21. Furthermore, the second sensor means 23 are adapted to generate the second disengagement signal as signal for uncoupling the coupling portion 22 from the base portion 21.
Furthermore, the portable control device 2 further comprises first transmission means (not illustrated) for transmitting the second engagement signal or the second disengagement signal, depending on when it is generated by the aforesaid second sensor means 23 and described in detail hereinbelow. The second transmission means therefore allow transmitting the information relative to the possible engagement of the base portion 21 with respect to the coupling portion 22 or, as hereinbelow described in greater detail, of further elements that are a part of the alarm system, object of the present invention.
Preferably, also the second transmission means are of the wireless type, and still more preferably attained by means of Bluetooth technology. In such a manner, it is possible to ensure an effective data transfer also outside the portable control device 2, in relation to the management logic that one wishes to attain.
Finally, the alarm system in accordance with the present invention comprises control means (not illustrated), operatively connected to the first 14 and second transmission means. This allows the system to process the engagement or disengagement signals coming from the anchoring device 1 or from the portable control device 2 in order to verify the signal matches generated by the aforesaid devices. In particular, the control means are adapted to evaluate the match between the aforesaid first engagement signal or first disengagement signal and the aforesaid second engagement signal or second disengagement signal. Such evaluation allows generating an alarm if the matching corresponds to one of the predefined alarm matches and/or if the sequence of the matches corresponds to one of the predefined matching sequences.
To this end, the system is further provided with suitable signalling means by means of which it is possible to generate the aforesaid alarm. Such signalling means can by way of example comprise visual/acoustic signalling means capable of warning the driver with respect to the generated alarm.
The control means can be arranged within one of the devices that are part of the safety system, i.e. within the anchoring device or within the portable control device, actually eliminating the need to use elements outside of the system.
The placement of the alarm system in operative conditions, or vice versa non-operative conditions, is determined by the coupling portion 22 as a function of its coupling with the devices of the system itself. In particular the coupling portion 22 is adapted to be alternatively engaged with the base portion 21 of the portable control device 2, being an integral part thereof, or with the locking portion 132 of the locking buckle 13. In order to allow the correctness of the aforesaid couplings, the shape of the coupling portion 22 is such to repeat the shape of the single element generated by the engagement portions 112, 122 following the mutual coupling. According to an alternative embodiment, not illustrated, the anchoring device could be provided with a different seat for coupling with the aforesaid coupling portion. As a still different alternative, it is possible to provide for a shape of the seat of the locking portion that is adapted to house the locking portion even if this has a shape different from the shape of the single element generated by the engagement portions following the mutual engagement.
In consideration of the need to identify the coupling portion 22 when coupled to the locking portion 132, the first sensor means are adapted to generate the first engagement signal alternatively as presence signal indicating the presence of each one of the coupling elements 11 , 12 or of the coupling portion 22 within the locking portion 132.
Therefore, the coupling portion 22 when engaged with the base portion 21 generates the second engagement signal, arranging the alarm system in operative conditions, while when engaged with the locking portion 132 of the locking buckle 13 it generates the first engagement signal, arranging the alarm system in non-operative conditions.
Hereinbelow, an example is described for operating the alarm system for safety belts according to the present invention, with particular reference to the scheme of Figure 3, which, by way of example, illustrates the combinations of signals respectively coming from the anchoring device 1 and from the portable control device 2 and the relative determination of the state of the alarm system according to the present invention.
A starting configuration is assumed in which the coupling portion 22 is arranged within the locking portion 132 of the locking buckle 13, arranging the alarm system in non-operative conditions and actually preventing the possibility of coupling the belts to the anchoring device 1. According to such configuration, the first sensor means generate the first engagement signal, as presence signal indicating the presence of the coupling portion 22 within the locking portion 132, while the second sensor means generate the second disengagement signal.
If one erroneously attempted to insert one or both of the coupling elements 11, 12 within the base portion 21, the alarm system would maintain its placement in non-operative conditions since the second disengagement signal type would not be modified, given that the engagement portions 112, 122 are not suitable for generating the second engagement signal for engaging with the base portion 21.
Therefore, the activation of the alarm system requires the removal of the coupling portion 22 and its arrangement in the relative base portion 21. Such configuration allows the second sensor means to correctly generate the second engagement signal. Furthermore, in order to put the alarm system in operative conditions, it is necessary to engage the coupling elements 11, 12. In particular, if the aforesaid coupling elements 11, 12 are arranged within the locking portion 132 of the locking buckle 13, the first sensor means are capable of correctly generating the first engagement signal.
It is important to underline that, if only one of the two coupling elements 11, 12 is engaged with the locking buckle 13, the first sensor means would not be able to generate the first engagement signal, maintaining the first disengagement signal unchanged and hence the entire system in non operative conditions.
The activation of the alarm system is therefore a function of the match between two signals respectively coming from the anchoring device 1 and from the portable control device 2. In particular, the matching of both the engagement signals allows the activation of the alarm system. It is therefore possible to automatically operate the activation and deactivation of the system as a function of the normal child safety arrangement.
The signalling means may be capable of signalling, to the driver, the activation of the alarm system, by sending of a sound signal, for example a single beep, and/or by means of the sending of a light signal, for example the continuous light of a green LED.
With the alarm system arranged in operative conditions, the control means can start to operate, verifying the matches between the signals received by the anchoring device 1 and by the portable control device 2. Such verification can for example occur in a cyclic mode with controls and/or reception of the aforesaid signals at predefined time instants. In the same manner, it is possible to carry out such verification, for example, in PUSH mode or with indication of the type of signal by the device that has undergone the modification.
The control means are therefore adapted to generate an alarm by means of the signalling means if the aforesaid match, constituted by the first engagement signal and by the second engagement signal, is maintained and if the portable control device 2 is spaced from the anchoring device 1 by a distance greater than a predefined distance. Such alarm for example corresponds with the driver moving away from the vehicle and by the simultaneous presence of the child within the vehicle itself, i.e. the typical condition of the child being left in the vehicle.
In such a case, the control means must be capable of determining the mutual positioning of the anchoring device 1 and of the portable control device 2. In order to determine the mutual positioning, it is for example possible to make use of the relative first and second transmission means, e.g. generating an alarm when these are spaced in a manner such as not to perceive any mutual signal. In the same manner, it is possible to equip the alarm system with suitable means for identifying the position, for example by means of GPS module coupled to one of the aforesaid devices.
In such a case, the signalling means can be capable of signalling, to the driver, the activation of the alarm relative to the child being left in the vehicle, by means of the sending of a sound signal, e.g. a continuous beep, and/or by means of the sending of a light signal, e.g. the intermittent light of a red LED.
The alarm system according to the present invention is further capable of generating an alarm in particular operative conditions, i.e. when a predefined sequence is verified.
The control means are for example adapted to generate an alarm by means of the signalling means if the matching sequence is constituted first by the match between the first engagement signal and the second engagement signal, corresponding to the placement of the alarm system in operative conditions, and subsequently by the match between said first disengagement signal and said second engagement signal. The second matching in particular identifies the situation in which one or more of the engagement portions 112, 122 for engaging the coupling elements 11, 12 are detached from the locking portion 132, while maintaining the coupling portion 22 associated with the base portion 21. Such arrangement can for example identify the possibility of undesired release of the child from his/her safety system, due to failure of the safety system itself or autonomous intervention of the child.
In this case, the signalling means can be capable of signalling, to the driver, the activation of the alarm relative to the lack of driving safety, by means of sending a sound signal, e.g. a single beep repeated multiple times, and/or by means of sending a light signal, e.g. intermittent light of a white LED.
Further alarms relative to predefined matches and/or sequences of matches are in any case possible, so as to generate an effective management logic for the alarm system.
The present invention further relates to a child safety seat, not illustrated.
The child safety seat comprises one or more safety belts and an alarm system for the safety belts as described above, therefore the alarm system and the relative operation will not be further described.
In this case, the safety system defined by the safety belts and by the anchoring device allows the anchoring and use of the safety belts in the operative conditions for retaining the child in the seat and the alarm system allows operating the alarms, signalling when the child has been forgotten or the accidental release of the safety system according to that described above.
Therefore, by means of the alarm system according to the present invention it is possible to generate alarms as a function of the matches between the signals coming from the anchoring device and the portable control device. This allows, on one hand, warning the driver that the child was left in the vehicle, and on the other hand warning the same driver of the deactivation of the safety system, for example relative to the release of the belts with respect to the anchoring device, when the vehicle is being driven.
Furthermore, the alarm system according to the present invention can be completely integrated in the safety system constituted by the anchoring device and by the relative safety belts, without having to provide for interventions on the belts themselves or the arrangement and activation of additional child control devices or devices for controlling the presence of the child in the vehicle.

Claims

1. An alarm system for safety belts comprising an anchoring device (1) provided with at least one coupling element (11, 12) and with at least one locking buckle (13), wherein said coupling element (11, 12) is provided with a retaining portion (111, 121) for retaining said safety belts and with an engagement portion (112, 122) and wherein said locking buckle (13) is provided with an anchoring portion (131) and with a locking portion (132), wherein said engagement portion (112, 122) of said coupling element (11, 12) is adapted to be engaged with said locking buckle (13) within said locking portion (132),
said alarm system is characterized in that said anchoring device (1) comprises a first sensor means (113, 123), adapted to generate a first engagement signal or a first disengagement signal for engaging/disengaging said locking buckle (13), and first transmission means (14) for transmitting said first engagement signal or said first disengagement signal,
said alarm system further comprises a portable control device (2) separated from, and adapted to be operatively connected to said anchoring device (1), and provided with a base portion (21) and with at least one coupling portion (22), wherein said coupling portion (22) is adapted to be alternatively engaged with said base portion (21) or with said locking portion (132) of said locking buckle (13),
wherein said portable control device (2) comprises second sensor means (23), adapted to generate a second engagement signal or a second disengagement signal for engaging/disengaging said base portion (21), and second transmission means for transmitting said second engagement signal or said second disengagement signal,
wherein said alarm system comprises a control means, operatively connected to said first (14) and second transmission means, and signalling means, wherein said control means are adapted to evaluate the matching between said first engagement signal or said first disengagement signal and said second engagement signal or said second disengagement signal and to generate an alarm by means of said signalling means if said matching corresponds to one of the predefined alarm matches and/or if the sequence of said matches corresponds to one of the predefined matching sequences.
2. The alarm system according to claim 1, wherein said first sensor means (113, 123) are adapted to generate said first engagement signal alternatively as presence signal indicating the presence of each of said coupling elements (11, 12) or of said coupling portion (22) within said locking portion (132),
wherein said first sensor means (113, 123) are adapted to generate said first disengagement signal alternatively as absence signal indicating the absence of at least one of said coupling elements (11, 12) within said locking portion (132),
wherein said second sensor means (23) are adapted to generate said second engagement signal as signal for coupling said coupling portion (22) to said base portion (21), and wherein said second sensor means (23) are adapted to generate said second disengagement signal as signal for uncoupling said coupling portion (22) from said base portion (21).
3. The alarm system according to claim 2, wherein said coupling portion (22) is adapted to put said alarm system in operative condition when engaged with said base portion (21), generating said second engagement signal, and is adapted to put said alarm system in non operative condition, when engaged with said locking portion (132) of said locking buckle (13), generating said first engagement signal.
4. The alarm system according to claim 2 or 3, wherein said control means are adapted to generate said alarm by means of said signalling means if said matching is constituted by said first engagement signal and by said second engagement signal and said portable control device (2) is spaced from said anchoring device (1) by a distance greater than a predefined distance, or
said control means are adapted to generate said alarm by means of said signalling means if said matching sequence is constituted first by the match between said first engagement signal and said second engagement signal and subsequently by the match between said first disengagement signal and said second engagement signal.
5. The alarm system according to one or more claims 1 to 4, wherein said locking portion (132) of said locking buckle (13) is provided with a single seat for the simultaneous engagement of said engagement portions (112, 122), or
wherein said locking portion of said locking buckle is provided with a plurality of separate seats, each for the separate engagement of each of said engagement portions.
6. The alarm system according to one or more claims 1 to 5, wherein said first sensor means (113, 123) and said second sensor means (23) are attained by means of proximity sensors.
7. The alarm system according to claim 6, wherein said first sensor means (113, 123) are proximity sensors of the electromagnetic type, wherein said engagement portion (112, 122) is provided with a permanent magnet and said locking buckle (13) is provided with a circuit for detecting the magnetic field generated by said permanent magnet within said locking portion (132), and
wherein said second sensor means (23) are proximity sensors of the electromagnetic type, wherein said coupling portion (22) is provided with a permanent magnet and said base portion (21) is provided with a detection circuit for detecting the magnetic field generated by said permanent magnet.
8. The alarm system according to one or more claims 1 to 7, wherein said first transmission means and said second transmission means are of the wireless type, preferably attained by means of Bluetooth technology.
9. The alarm system according to one or more claims 1 to 8, wherein said anchoring device (1) is provided with two coupling elements (11, 12) and with a locking buckle (13), wherein each of said coupling elements (11, 12) is provided with a retaining portion (111, 121) for retaining said safety belts and with an engagement portion (112, 122), wherein said engagement portions (112, 122) are adapted to be engaged with said locking portion (132) of said locking buckle (13).
10. A child safety seat comprising one or more safety belts and an alarm system for said safety belts according to one or more claims 1 to 9, wherein said safety system allows the anchoring and the use of said safety belts, under the operative conditions for retaining said child.
PCT/EP2019/074982 2018-09-18 2019-09-18 An alarm system for safety belts and corresponding child safety seat WO2020058319A1 (en)

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20140253314A1 (en) * 2012-09-24 2014-09-11 Amy Rambadt Child safety seat mobile alarm and method therefor
US9139162B1 (en) * 2014-05-08 2015-09-22 Bruce Whitby Seat belt safety insert system
US20170247015A1 (en) * 2016-02-25 2017-08-31 Jason Davis Child Safety in a Vehicle Alert System and Method

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20140253314A1 (en) * 2012-09-24 2014-09-11 Amy Rambadt Child safety seat mobile alarm and method therefor
US9139162B1 (en) * 2014-05-08 2015-09-22 Bruce Whitby Seat belt safety insert system
US20170247015A1 (en) * 2016-02-25 2017-08-31 Jason Davis Child Safety in a Vehicle Alert System and Method

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