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WO2007037749A2 - Boite noire pour vehicule marin - Google Patents

Boite noire pour vehicule marin Download PDF

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Publication number
WO2007037749A2
WO2007037749A2 PCT/SE2006/001105 SE2006001105W WO2007037749A2 WO 2007037749 A2 WO2007037749 A2 WO 2007037749A2 SE 2006001105 W SE2006001105 W SE 2006001105W WO 2007037749 A2 WO2007037749 A2 WO 2007037749A2
Authority
WO
WIPO (PCT)
Prior art keywords
monitoring device
event
mechanical
monitoring
instruction set
Prior art date
Application number
PCT/SE2006/001105
Other languages
English (en)
Other versions
WO2007037749A3 (fr
Inventor
Marcus Tannerfalk
Kristoffer Persson
Original Assignee
Proevolution Hstd Ab
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 Proevolution Hstd Ab filed Critical Proevolution Hstd Ab
Priority to EP06799705A priority Critical patent/EP1941465A2/fr
Publication of WO2007037749A2 publication Critical patent/WO2007037749A2/fr
Publication of WO2007037749A3 publication Critical patent/WO2007037749A3/fr

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B49/00—Arrangements of nautical instruments or navigational aids
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R25/00—Fittings or systems for preventing or indicating unauthorised use or theft of vehicles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R25/00—Fittings or systems for preventing or indicating unauthorised use or theft of vehicles
    • B60R25/30—Detection related to theft or to other events relevant to anti-theft systems
    • B60R25/302—Detection related to theft or to other events relevant to anti-theft systems using recording means, e.g. black box
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B79/00—Monitoring properties or operating parameters of vessels in operation
    • B63B79/10—Monitoring properties or operating parameters of vessels in operation using sensors, e.g. pressure sensors, strain gauges or accelerometers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B79/00—Monitoring properties or operating parameters of vessels in operation
    • B63B79/30—Monitoring properties or operating parameters of vessels in operation for diagnosing, testing or predicting the integrity or performance of vessels
    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
    • G07C5/00—Registering or indicating the working of vehicles
    • G07C5/008—Registering or indicating the working of vehicles communicating information to a remotely located station
    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
    • G07C5/00—Registering or indicating the working of vehicles
    • G07C5/08—Registering or indicating performance data other than driving, working, idle, or waiting time, with or without registering driving, working, idle or waiting time
    • G07C5/0841—Registering performance data
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R2325/00—Indexing scheme relating to vehicle anti-theft devices
    • B60R2325/10—Communication protocols, communication systems of vehicle anti-theft devices
    • B60R2325/101—Bluetooth

Definitions

  • the invention relates to a device for the detection and recording of mechanical events, and in particular for detecting mechanical events subjected to a marine vessel in order to control a history of mechanical events the marine vessel has been subjected to.
  • VDRs ship borne voyage data recorded
  • the monitoring device may further comprise a location detector and wherein the processor is arranged to store a geographical location obtained from the location detector together with the data.
  • the location detector may be a GPS receiver (Global Positioning System).
  • the monitoring device may be arranged for communicating at least one of data indicative of a mechanical event, time and position to a receiving device.
  • the communication unit is arranged to communicate using at least one of the following communication transport media: SMS (Short Message Service), MMS (Media Message Service), GSM, GPRS, EDGE, CDMA2000, CDMA, WLAN (Wireless Local Area Networks) technology, WPAN (Wireless Personal Area Networks) technology, and wired communication interface.
  • the WLAN may comprise at least one of IEEE802.11 and IEEE802.16 based radio network standard protocols and WPAN may comprise at least one of Bluetooth and infrared communication.
  • the processor may be arranged to distinguish between mechanical events due from the marine vessel hitting a solid object in water and hitting a wave of water, where the processor determines a mechanical event indicative of hitting a solid object if the time duration between the two trigger levels are below 100 ms, preferable below 10 ms and most preferably below 2 ms.
  • the monitoring device may further comprise a plurality of sensing devices each of different type registering mechanical events and the processor may be arranged to receive a plurality of signals from the plurality of sensing devices for comparing the sensing signals providing more accurate determination of mechanical events.
  • a computer program for monitoring mechanical events subjected to a marine vessel comprising: an instruction set for receiving signal data from a sensing device indicative of a mechanical event subjected to the object; an instruction set for obtaining result data from an analysis of said signal data for determining a potentially damaging mechanical event, wherein said analysis comprise determining timing characteristics of said signal data; and an instruction set for storing said result data together with time of event; wherein the timing analysis comprise determining a time duration (X) between two trigger levels measured on a negative slope in a signal acquired from the sensing device.
  • X time duration
  • the computer program may comprise an instruction set for communicating the result data, optionally geographical location and time to a receiving unit.
  • the instruction set for communication may be arranged to use a wireless communication interface.
  • the computer program may further comprise an instruction set for distinguishing between mechanical events due from the boat hitting a solid object in water and hitting a wave of water, where the instruction set determines a mechanical event indicative of hitting a solid object if the time duration between the two trigger levels are below 100 ms, preferable below 10 ms and most preferably below 2 ms.
  • the computer program may further comprise an instruction set for monitoring the location of said object using a location detection device and an instruction set for sending a signal to a receiving unit if said location deviates from a pre set location or route or sending a signal if the instruction set receives a request for location information.
  • a system for monitoring mechanical events subjected to an object comprising a monitoring device as described above and a reading device receiving data from the monitoring device.
  • a method for monitoring mechanical events subjected to a marine vessel comprising the steps of: reading sensor signal data indicative of mechanical event; analysing type of mechanical event for determining a potentially damaging event; optionally registering geographical position and time of event; and storing at least one of said signal data, position type of event, and time; wherein said analysis comprise determining timing characteristics of said sensor signal data wherein the timing characteristics is determined as a time duration (X) between two trigger levels (601 , 602) measured on a negative slope in a the sensor signal acquired from the sensing device (3).;
  • the method may further comprise the step of sending the data, geographical position and time to a receiving unit.
  • Sending may be performed using at least one of following communication transport media: SMS (Short Message Service), Bluetooth, WLAN, GSM, GPRS, UMTS, and WiMax.
  • SMS Short Message Service
  • WLAN Wireless Local Area Network
  • GSM Global System for Mobile communications
  • the receiving unit may be at least one of mobile phone, personal digital assistance (PDA), dedicated receiving unit, or server.
  • PDA personal digital assistance
  • Fig. 1 illustrates schematically a device according to the present invention
  • Fig. 2 illustrates schematically a system using a device from Fig. 1;
  • Fig. 3 illustrates a method according to the present invention
  • Fig. 5 illustrates yet another method according to the present invention.
  • Fig. 6 illustrates an example of signal obtained from a sensing device according to the present invention.
  • Fig. 1 illustrates a monitoring device 1 for detecting and recording mechanical events.
  • This monitoring device 1 comprise a processing unit 2 with a processor 5, a sensor or sensing device 3 for measuring mechanical events, a sensor interface 4, some type of memory unit 6, optionally a location detector 7, power supply 8, communication interface 9, and a communication unit 10.
  • the sensor 3 measures mechanical events (directly or indirectly), such as vibrations or movement using any suitable measuring technique, including, but not limited to, an accelerometer, a gyroscope, a microphone (or any other sound detector), or radio or sonar based sensors. It can measure indirectly by detecting for instance sound that are indicative of mechanical events, e.g. if a boat hit an object or a rocky part of the bottom of the sea a sound will generally be created, which can be measured or at least detected by a sound detector (microphone).
  • the sensor 3 can also measure mechanical events directly with for instance the accelerometer. More than one type of sensor 3 may be used at the same time in order to further enhance the sensitivity and/or accuracy of the monitoring device 1. This may also provide redundancy to the monitoring device 1 where one sensor can back up if another sensor fails.
  • the device 1 may be mounted in a vessel or object that is to be monitored over time for if being subject to damaging mechanical events.
  • the monitoring device 1 is to be mounted rigidly or at least in such a way that mechanical events can be detected. For instance if an accelerometer is used at least part of the mechanical waves propagating in the vessel should be able to be transferred to the accelerometer.
  • the processor 5 reads at least one signal (or data in relation to the signal) from the sensor 3 via a sensor interface 4.
  • the processor may analyse the data for detection of trigger levels in order to monitor any damaging events for being able to take responsive action and/or it may store data in the memory unit 6.
  • the memory unit 6 can be one or several memory units 6 of one or several different types. Both volatile (e.g. RAM (random access memory) and nonvolatile memory (e.g. hard disks, flash memory, memory stick, EEPROM (electrical erasable programmable read only memory), may be used depending on function or functions present.
  • a location detector 7 may be present in order to register a location where an event has taken place and/or for recording the path of the vessel or object.
  • location detectors may include for instance a GPS (Global Positioning System) receiver.
  • the monitoring device 1 need power to operate which can be supplied via a power supply 8 interface, preferably with a power backup utility (e.g. battery) built in so as to provide power even if an external power source does not supply power to the monitoring device 1.
  • the monitoring device 1 may be arranged to store events of external power interruptions for later analysis.
  • the system may send a response to a receiving unit, such as a server, dedicated receiving device, or mobile phone, this communication may be performed via the communication interface 9 and the communication unit 10.
  • a receiving unit such as a server, dedicated receiving device, or mobile phone
  • this communication may be performed via the communication interface 9 and the communication unit 10.
  • the monitoring device 1 is arranged to store events until it has been reset in an authorized operation. It should not be possible to reset the device 1 un-authorized, this to ensure that the device 1 is not tampered with and potentially damaging mechanical events hidden.
  • the communication unit 10 may comprise for instance a GSM (Global System for Mobile communication), EDGE (Enhanced Data rates for Global Evolution), or GPRS (General Packet Radio Service) enabled communication device or any other suitable long or short range wireless interface including but not limited to, UMTS, CDMA 2000, CDMA, Bluetooth, IEEE802.11 interface (of any version or flavour), IEEE802.16 interface, or version of these (WiFi and WiMax), MowLAN, and other wireless PAN or LANs (Personal or Local Area Networks).
  • the communication interface/unit may also be a fixed wired interface utilizing for instance a serial or parallel communication protocol (e.g. Ethernet, token ring, RS232, RS485, IEEE1284, or GPIB (General Purpose Interface Bus)).
  • wireless technologies are put to the market they can be utilized in the invention as understood by the person skilled in the art. It may also comprise a combination of long and short range communication units each used for different purposes, e.g. a Bluetooth unit for short range communication with a reading device in harbour and a GSM module for long range communication when using the boat away from home harbour and sending data when an event has triggered the monitoring device 1.
  • long and short range communication units each used for different purposes, e.g. a Bluetooth unit for short range communication with a reading device in harbour and a GSM module for long range communication when using the boat away from home harbour and sending data when an event has triggered the monitoring device 1.
  • the processor 5 may be adapted to directly read a signal from a sensor 3 and therefore no sensor interface 4 is necessary.
  • a boat 20 is illustrated in a harbour and the monitoring device 1 is located within the boat.
  • the monitoring device 1 is arranged to receive and store data indicative of mechanical events as described earlier in this document.
  • a person 21 may acquire readings from the monitoring device 1 using a portable reading and/or controlling unit 22 which receives data when within a suitable distance from the monitoring device 1 and the portable device may be used for controlling the settings and mode of operation of the monitoring device 1. In this way it is possible to acquire knowledge or indications of the events that the boat 20 has been subjected to under use.
  • the monitoring device 1 may send data to a server or central monitoring location 25 on a wireless link of some type as discussed earlier. If a triggering event has been detected, the monitoring device may be arranged to contact the above mentioned server or central monitoring location 25 in real time and not to wait until reaching the home harbour. However, the monitoring device can be adapted to wait with such contact until the communication unit has connection with communication services necessary for communication, e.g. a GSM network for GSM communication links.
  • communication services necessary for communication e.g. a GSM network for GSM communication links.
  • This communication may be operate both from the monitoring device 1 and to the monitoring device 1 , thus providing the possibility to control settings in the monitoring device 1 , such as type of sensors connected to the device 1 , sensitivity, triggering parameters, mode of operation, calibration parameters and so on as understood by the person skilled in the art.
  • a triggering event may be when analyzed sensor data indicates that a potentially damaging mechanical event has occurred.
  • a GPS system can be adapted to send data indicative of the location to a server or central monitoring location 25.
  • This can be useful for monitoring the location of the boat (or any other object with the monitoring device 1 according to the present invention mounted), for instance for locating a stolen boat or for safety reasons to track that the boat is following an intended route. If the boat travels away from such an intended route one may suspect that there is something wrong and appropriate action may be taken (such as contacting persons on the boat, contacting coast guard or rescue teams).
  • FIG. 4 Another embodiment of the present invention is illustrated in Fig. 4, again with a GPS incorporated or connected to the monitoring device 1.
  • the monitoring device 1 is in waiting mode 400 and if the sensor gives a triggering signal 401 the position and time is registered 402 and stored 403.
  • a triggering signal from the sensor may be when a signal level passes a pre set level.
  • the monitoring device returns to the waiting mode 404.
  • the stored events are read at a later time.
  • This embodiment do not take advantage of long range communication of data and it is therefore not necessary to have a long range communication unit 10 and cost of the monitoring device 1 will be reduced.
  • Fig. 5 illustrates yet another embodiment of the present invention, again with a GPS enabled monitoring device 1.
  • the monitoring device 1 is arranged to continuously monitor the position (geographical) 500 and storing the position in memory 501.
  • the monitoring device 1 waits a certain time (pre settable) 502 before acquiring a new position 503. With these two positions the monitoring device 1 can analyze any movement 504. If the result is that the boat has moved a distance below a pre set level it returns to wait 505. However, if the distance is larger than the pre set level 506 it sends 507 a signal (for instance to a server, a central monitoring location, or to a mobile phone) indicative of this movement and alerts a monitoring party (e.g. the owner) of an unauthorized movement of the boat.
  • a signal for instance to a server, a central monitoring location, or to a mobile phone
  • the monitoring device 1 can in this embodiment also be arranged to as a next step enter 508 into a mode as described in relation to Fig. 3.
  • the mode as illustrated by Fig, 5 can be used also for authorized use of the boat of course in order to alert the owner that the boat is now under use and the owner will know when the boat has been collected by someone renting it.
  • a similar type of location monitoring mode of operation is when the location of the boat is measured and compared against a pre set route of the boat. In this manner it is possible to alert an owner if the boat deviates from the pre set route.
  • the modes described above can be selected by the user of the monitoring device 1 and used each on its own or together with each other in different combinations. It may be possible to set the modes of operation, pre set locations and pre set routes either via an interface located on the monitoring device or via the receiving unit 22 or central server 25. Both the monitoring device 1 and any other device in communication with the monitoring device 1 may be password protected in order to reduce the risk for unauthorized access of the monitoring device 1 occurs. For instance is should not be possible for someone to change pre set levels and routes in the monitoring device 1 without permission.
  • the modes of operation are conveniently arranged as instruction sets in a software program operated in the processing unit 5 and stored in the memory 6 of the monitoring device.
  • the monitoring device 1 can further be adapted to draw very little power in order to obtain a long operational life without external power, driven by an internal battery or batteries.
  • the 5 Data can also be sent to for instance a server storing any events and/or notifying the owner of the vessel.
  • the server may be located on a public network (e.g. Internet) or private network (e.g. Intranet) and accessible directly, e.g. via an SMS sent to a mobile phone connected to directly to the mobile phone, or via a combination of infrastructure systems, e.g. a GPRS interface connected to the Internet in turn connected to the server.
  • a public network e.g. Internet
  • private network e.g. Intranet
  • an accelerometer device is used for detecting mechanical events.
  • mechanical events are potentially damaging so a data need to be analysed in order to determine the type of event and if it is of potentially damaging character.
  • the signal received from the accelerometer will have
  • an analogue accelerometer will yield a signal according to Fig. 6. If the signal is larger than a pre set level 601 , the analysis system will measure the time between a downward crossing of the pre set level 601 and a level 602 above the noise level of the system; i.e. the time for the acceleration to decay from the mechanical event. Thus the decision is reduced to
  • a signal is obtained from the mechanical event comprising an array of digital characters, e.g. zeros and ones.
  • the array comprise of 20 ones (X) together followed by 20 zeros (Y) together when zero acceleration is measured, at a positive maximum measurable acceleration the array comprise 40 ones
  • the array comprise 40 zeros.
  • the array may also comprise control characters in order to know when the signal starts and end, or if any error is detected within the accelerator.
  • the ratio between X and Y is determined for each reading and the analysis system determines the speed of ratio change in order to determine if a potentially damaging event has occurred.
  • a timing reference level can be determined by calibration and set as a triggering level for when to register a potentially damaging event.
  • the signal may be divided for example into 256 steps between inclusive 0 and 255 (where 255 represent 10 G of acceleration).
  • the trigger levels are set as the first level
  • the second trigger level 602 above the noise level to ca 2 or 3; however, it should be understood that these levels 601 , 602 vary depending on type of vessel, accelerometer, type of signal conditioning and so on.
  • the time duration X measured between these two levels is used as discussed earlier for determining the type of mechanical event, for instance a time duration below 100 ms may be used for determining a mechanical event that is potentially damaging for the vessel, in many cases the time duration is below 10 ms and in most cases the time duration is below 2 ms.
  • the device 1 may measure a distance to adjacent objects or surrounding areas in order to determine the amount of risk any object with the device mounted has been subjected to; e.g. with a sonar one can measure the distance to objects in or bottom of the sea or lake. If the distance is below a certain level the device is arranged to react in some suitable way, such as record the event and/or send a message using the communication unit 10 with data corresponding to the event.
  • Combinations of detectors may be utilized in order to receive a more efficient and accurate analysis of signal data.
  • An object that may be hit by a boat include, but is not limited to, a ground, a shore of the sea, of a man constructed structure (e.g. a pier or a bridge) or natural structure located in relation to the sea, another boat, or debris found in the water (e.g. timber or containers).
  • a man constructed structure e.g. a pier or a bridge
  • debris found in the water e.g. timber or containers.
  • boat any type of sea faring vessel of any size and type (e.g. canoe, boat, ship, yacht, submarine, sailing ship, tanker, and so on) and with the term sea is meant any type of water collection wherein a boat may travel (including e.g. sea, lake, river, and tanks and basins for testing marine equipment).
  • sea any type of water collection wherein a boat may travel (including e.g. sea, lake, river, and tanks and basins for testing marine equipment).

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Ocean & Marine Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Alarm Systems (AREA)
  • Monitoring And Testing Of Nuclear Reactors (AREA)
  • Testing Or Calibration Of Command Recording Devices (AREA)

Abstract

L'invention concerne un dispositif, un système, un programme d'ordinateur, et un procédé de surveillance d'événements mécaniques survenant dans un véhicule marin (20) au fil du temps, afin de réduire les besoins d'inspection après utilisation. Le dispositif de surveillance (1) reçoit d'un appareil de détection (3) des données signalant des événements mécaniques, et analyse les données afin de déterminer et distinguer des événements potentiellement destructeurs d'événements destructeurs. Après enregistrement d'un événement potentiellement destructeur, un signal est envoyé pour en alerter une unité réceptrice (22).
PCT/SE2006/001105 2005-09-30 2006-09-29 Boite noire pour vehicule marin WO2007037749A2 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP06799705A EP1941465A2 (fr) 2005-09-30 2006-09-29 Boite noire pour vehicule marin

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE0502147-2 2005-09-30
SE0502147 2005-09-30

Publications (2)

Publication Number Publication Date
WO2007037749A2 true WO2007037749A2 (fr) 2007-04-05
WO2007037749A3 WO2007037749A3 (fr) 2007-06-07

Family

ID=37900188

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/SE2006/001105 WO2007037749A2 (fr) 2005-09-30 2006-09-29 Boite noire pour vehicule marin

Country Status (2)

Country Link
EP (1) EP1941465A2 (fr)
WO (1) WO2007037749A2 (fr)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011148337A1 (fr) * 2010-05-26 2011-12-01 Axel Ulrich Dispositif et procédé permettant de créer et de sauvegarder des données pour la documentation d'un dommage survenu, en particulier sur un bateau
US11094148B2 (en) 2018-06-18 2021-08-17 Micron Technology, Inc. Downloading system memory data in response to event detection
US11373466B2 (en) 2019-01-31 2022-06-28 Micron Technology, Inc. Data recorders of autonomous vehicles
US11410475B2 (en) 2019-01-31 2022-08-09 Micron Technology, Inc. Autonomous vehicle data recorders
US11782605B2 (en) 2018-11-29 2023-10-10 Micron Technology, Inc. Wear leveling for non-volatile memory using data write counters
RU221269U1 (ru) * 2023-06-01 2023-10-30 Закрытое акционерное общество Группа компаний "Навигатор" Модуль регистрации ударных воздействий на водный транспорт

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5018113A (en) * 1990-06-29 1991-05-21 Strange Booth B Damage location system for a tanker ship
US6561301B1 (en) * 1998-02-24 2003-05-13 Kabushiki Kaisha Toyota Chuo Kenkyusho Collision discriminating apparatus for vehicles
US6904341B2 (en) * 2002-06-12 2005-06-07 Sea-Watch Technologies, Inc. Integrated vessel monitoring and control system

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011148337A1 (fr) * 2010-05-26 2011-12-01 Axel Ulrich Dispositif et procédé permettant de créer et de sauvegarder des données pour la documentation d'un dommage survenu, en particulier sur un bateau
US11094148B2 (en) 2018-06-18 2021-08-17 Micron Technology, Inc. Downloading system memory data in response to event detection
US11756353B2 (en) 2018-06-18 2023-09-12 Micron Technology, Inc. Downloading system memory data in response to event detection
US11782605B2 (en) 2018-11-29 2023-10-10 Micron Technology, Inc. Wear leveling for non-volatile memory using data write counters
US11373466B2 (en) 2019-01-31 2022-06-28 Micron Technology, Inc. Data recorders of autonomous vehicles
US11410475B2 (en) 2019-01-31 2022-08-09 Micron Technology, Inc. Autonomous vehicle data recorders
US11670124B2 (en) 2019-01-31 2023-06-06 Micron Technology, Inc. Data recorders of autonomous vehicles
RU221269U1 (ru) * 2023-06-01 2023-10-30 Закрытое акционерное общество Группа компаний "Навигатор" Модуль регистрации ударных воздействий на водный транспорт

Also Published As

Publication number Publication date
WO2007037749A3 (fr) 2007-06-07
EP1941465A2 (fr) 2008-07-09

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