CN102646434B - Image storing device and image recorder - Google Patents
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- CN102646434B CN102646434B CN201110040315.5A CN201110040315A CN102646434B CN 102646434 B CN102646434 B CN 102646434B CN 201110040315 A CN201110040315 A CN 201110040315A CN 102646434 B CN102646434 B CN 102646434B
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Abstract
The invention relates to an image storing device. The image storing device is used for storing a video stream and comprises a storage medium and a reading and writing interface, wherein the storage medium can comprise a first storage area and a second storage area; the first storage area is formatted according to a first file configuration rule; the second storage area which is formatted according to a second file configuration rule comprises M storage segments; each storage segment is a continuous entity storage space and has a preset storage capacity; and the reading and writing interface writes the video stream into the kth storage segment of the M storage segments or reads the video stream from the kth storage segment of the M storage segments. Therefore, the image storing device can store the video stream in the pre-configured continuous entity storage space, and thus the speed of reading and writing the video stream is increased.
Description
Technical field
The present invention relates to a kind of image processing system, particularly relate to a kind of image storage device and the image register of image processing system.
Background technology
Along with the progress of industry, the various vehicles provide the quick and comfortable choice for traveling of people, make people more and more high for the dependence of the vehicles, also have stimulated the development of the related industry such as automobile, locomotive.But although automobile, locomotive bring while people live more easily, the vapour of substantial amounts, locomotive also cause the confusion of traffic simultaneously, various traffic accident and accident especially time have what is heard.In order to the field condition that can reduce during traffic accident, driving recorder just becomes people's visual plant indispensable when driving a conveyance.
In general, traditional driving recorder is all use FAT (file allocation table, FAT) system is to carry out picture archive, image file writes owing to can not be organized into complete fragment by FAT system again, image file can be made after Long-Time Service to become on entity memory location disperse gradually, significantly reduce read or write speed.In addition, under the state of continuous video, traditional driving recorder also needs constantly to upgrade FAT, searching can for the storage space of write image file, could continue to write new shelves if storage space completely also needs first to delete old shelves, so often there is the mistiming because read-write flow process is numerous and diverse between each image file, cannot accomplish that the seamless of high image quality image is made video recording.
Therefore, industry need badly a kind of can continuous video and the driving recorder of not free difference between each image file, the recording journey providing driver complete and avoid leaking second at crucial moment.
Summary of the invention
For achieving the above object, the invention provides a kind of image storage device, video streaming can be stored in pre-configured continuous print entity storage space, and do not need to upgrade FAT, and then promote the speed of read-write video streaming.
The invention provides a kind of image storage device, in order to store a video streaming, wherein, comprising:
One storage medium, comprising:
One first storage area, according to one first archives configuration rule format; And
One second storage area, according to one second archives configuration rule format, this second storage area through the format of this second archives configuration rule comprises M stored fragments, and each this stored fragments is continuous print entity storage space, and each this stored fragments has a default memory capacity; And
One read-write interface, writes the kth in this M stored fragments by this video streaming, maybe the kth of this video streaming in this M stored fragments read;
M, k are positive integer, and k is not more than M.
The invention provides a kind of image storage device, wherein, when this default memory capacity of this kth stored fragments is filled with and this video streaming is not over yet, (k+1) that this read-write interface continues this video streaming to write in this M stored fragments is individual, and (k+1) is not more than M.
The invention provides a kind of image storage device, wherein, when when this default memory capacity of this M stored fragments is filled with, this video streaming is not over yet, this read-write interface continues this video streaming to be write the 1st in this M stored fragments.
The invention provides a kind of image storage device, wherein, the shelves head of this kth stored fragments stores the start time of this video streaming.
The invention provides a kind of image storage device, wherein, when this video streaming is write the kth in this M stored fragments by this read-write interface, the shelves head of this kth stored fragments to store in this M stored fragments the start time the earliest.
The invention provides a kind of image storage device, wherein, this storage medium also comprises:
One using state table, in order to note down the using state of each this stored fragments;
This read-write interface is searched this using state table and is judged the using state of this kth stored fragments, if the using state of this kth stored fragments is one can write state, then this video streaming is write this kth stored fragments by this read-write interface; If the using state of this kth stored fragments is a lock-out state, then continue the using state judging this (k+1) individual stored fragments.
The invention provides a kind of image storage device, wherein, this storage medium also comprises a provider location table, this provider location table in order to note down the provider location of each this stored fragments, and this read-write interface according to this provider location table so that this video streaming is write this kth stored fragments.
The invention provides a kind of image storage device, wherein, this first archives configuration rule uses a FAT with the rule of administer archive memory location.
The invention provides a kind of image register, wherein, comprising:
One image acquisition unit, in order to shoot with video-corder a video streaming;
One image storage device, couples this image acquisition unit, and this image storage device comprises:
One storage medium, comprising:
One first storage area, according to one first archives configuration rule format;
One second storage area, according to one second archives configuration rule format, this second storage area through the format of this second archives configuration rule comprises M stored fragments, and each this stored fragments is continuous print entity storage space, and each this stored fragments has a default memory capacity; And
One read-write interface, writes the kth in this M stored fragments by this video streaming according to a write signal, or read signal by kth the reading of this video streaming in this M stored fragments according to one; And
One user's interface, provide user input this write signal maybe this reading signal to this image storage device;
M, k are positive integer, and k is not more than M.
The invention provides a kind of image register, wherein, when this default memory capacity of this kth stored fragments is filled with and this video streaming is not over yet, (k+1) that this read-write interface continues this video streaming to write in this M stored fragments is individual, and (k+1) is not more than M.
The invention provides a kind of image register, wherein, when when this default memory capacity of this M stored fragments is filled with, this video streaming is not over yet, this read-write interface continues this video streaming to be write the 1st in this M stored fragments.
The invention provides a kind of image register, wherein, the shelves head of this kth stored fragments stores the start time of this video streaming.
The invention provides a kind of image register, wherein, when this video streaming is write the kth in this M stored fragments by this read-write interface, the shelves head of this kth stored fragments to store in this M stored fragments the start time the earliest.
The invention provides a kind of image register, wherein, this storage medium also comprises:
One using state table, in order to note down the using state of each this stored fragments;
Wherein, this read-write interface is searched this using state table and is judged the using state of this kth stored fragments, if the using state of this kth stored fragments is one can write state, then this video streaming is write this kth stored fragments by this read-write interface; If the using state of this kth stored fragments is a lock-out state, then continue the using state judging this (k+1) individual stored fragments.
The invention provides a kind of image register, wherein, this image register also comprises:
One administrative unit, couples this user's interface and this image storage device, according to a control signal to access this using state table;
Wherein, user exports this by this user's interface and controls signal to this administrative unit, and the using state of this kth stored fragments is set as that this can write state or this lock-out state in order to control this administrative unit by this control signal.
The invention provides a kind of image register, wherein, when this control signal control this administrative unit this kth stored fragments is set as this lock-out state time, the start time that this administrative unit stores according to the header of this kth stored fragments, to search the header of this M stored fragments, and be set as this lock-out state in the lump by with the stored fragments within the scope of described start time gap one fixed time.
The invention provides a kind of image register, wherein, this storage medium also comprises a provider location table, and this provider location table is in order to note down the provider location of each this stored fragments, and this read-write interface foundation one provider location table is to write this kth stored fragments by this video streaming.
The invention provides a kind of image register, wherein, this first archives configuration rule uses a FAT with the rule of administer archive memory location.
In sum, image storage device provided by the present invention, when format manipulation, completes pre-configured for the space needed for each stored fragments, and video streaming can be stored in continuous print entity storage space.Thus, the present invention does not need to upgrade FAT, and also need not search for during the new shelves of write and delete the flow process of old shelves, significantly simplify read-write flow process, the present invention can be accomplished, and the seamless of high image quality image is made video recording.
For can further understand feature of the present utility model and technology contents, refer to following about detailed description of the present utility model and accompanying drawing, but shown accompanying drawing only provide reference and explanation use, is not used for being limited the utility model.
Accompanying drawing explanation
Fig. 1 is the functional block diagram of the image storage device according to first embodiment of the invention;
Fig. 2 is the functional block diagram of the image register according to second embodiment of the invention.
Main element symbol description
Image storage device 1 storage medium 10
Read-write interface 12 first storage area 102
Second storage area 104 stored fragments 104a
Using state table 106 provider location table 108
Image register 2 image acquisition unit 20
User's interface 22 administrative unit 24
Embodiment
(the first embodiment)
Refer to shown in Fig. 1, first embodiment of the invention provides a kind of image storage device 1 in order to store video crossfire, and image storage device 1 comprises storage medium 10 and a read-write interface 12.Storage medium 10 can comprise again one first storage area 102,1 second storage area 104, using state table 106 and a provider location table 108.In practice, image storage device 1 can be a kind of hard disk, memory card, Portable disk or other be suitable for repeating writing the storage medium of archives, and except video streaming, also can store the acoustic information of corresponding video streaming, GPS information and gravity device (G-sensor) sensitive information in the lump, or the information of other surrounding environment when capture video crossfire.The each several part element of image storage device 1 is below described respectively.
First storage area 102 is arranged in image storage device 1, and according to one first archives configuration rule format.Wherein, the first archives configuration rule uses a FAT (FAT) with the rule of administer archive memory location.That is, the first storage area 102 by the format of common FAT, FAT16 or FAT32 archives configuration rule, therefore can provide the direct accesses such as personal computer, notebook computer or industrial computer.
Second storage area 104 is arranged in image storage device 1, and according to one second archives configuration rule format.Wherein, the second storage area 104 comprises M stored fragments 104a, and each stored fragments 104a is continuous print entity storage space, and each stored fragments 104a has a default memory capacity, and M is positive integer.At this, each stored fragments 104a inside can be the entity storage space of continuous 128 megabit bytes (MB), and certain the present invention is not as limit, and in fact described default memory capacity also can the quality requirements and determining of making video recording of reference video crossfire.In addition, because each stored fragments 104a inside is continuous print entity storage space, therefore when recorded video crossfire, also need not can know the memory location of continuing down by FAT, the time of reading and writing archives can significantly be shortened.
In practice, first storage area 102 can prestore the application with the second archives configuration rule, because general computer can direct access first storage area 102, so user is by starting described application, and computer is driven the second storage area 104 to be formatted as the storage space with the second archives configuration rule.Specifically, described application also can assist reparation and the detection of image storage device 1 simultaneously.For example, described application can judge whether the actual storage capacity of each stored fragments 104a is default memory capacity, if when actual storage capacity is less than default memory capacity, then show image memory storage 1 has aging possibility, described application also can carry out backup and the reformatting of show image memory storage 1, with the read-write usefulness of optimization video streaming by assisting user.
Certainly, described application also can be stored in advance in computer, when the storage medium that user provides does not have the storage area according to the second archives configuration rule format, the storage medium format that user can provide by described application further, to meet the needs of image storage device 1 of the present invention.For example, user, when image storage device 1 inserts new memory card to replace storage medium 10 originally, can use described application by new memory card formats, the operation of image storage device 1 of the present invention of can arranging in pairs or groups.
Read-write interface 12 couples the first storage area 102, second storage area 104 respectively, in order to video streaming to be write the kth in M stored fragments 104a, or the kth of video streaming in M stored fragments 104a is read, wherein k is the positive integer being not more than M.Because the second storage area 104 not formats according to general FAT archives configuration rule, so need read-write interface 12 to be write by video streaming among the second storage area 104, or the presentation content be stored among the second storage area 104 is read, or the presentation content be stored among the second storage area 104 is read also unloading can for the storage medium of read-write to other, and becoming the video archive of general FAT or other specific archives configuration rules, the described storage medium for read-write is not defined as hard disk, Portable disk, memory card or CD etc.In practice, read-write interface 12 can store the start time of video streaming at the shelves head (header) of a described kth stored fragments 104a.Selection M stored fragments 104a one of them with in the process of store video crossfire, read-write interface 12 first can search the shelves of M the stored fragments 104a start time stored in front, judges which stored fragments 104a has presentation content the earliest.Thus, the video streaming for storing can write the stored fragments 104a that selects with covering presentation content the earliest by read-write interface 12.
When knowing the start time, read-write interface 12, by calculating frame (frame) number in stored fragments 104a, converses the reproduction time length of video streaming.Thus, the totalling of the reproduction time converting out by start time and frame number, can learn that the real time of specific picture is how many.
Further, storage medium 10 can comprise a using state table 106 and a provider location table 108, and described using state table 106 and provider location table 108 are coupled to read-write interface 12 respectively.Wherein, using state table 106 is in order to note down the using state of each stored fragments 104a, for example, read-write interface 12 can be searched using state table 106 and judge the using state of a described kth stored fragments 104a, if the using state of a described kth stored fragments 104a is one can write state, then video streaming can be write a described kth stored fragments 104a by read-write interface 12; If the using state of a described kth stored fragments 104a is a lock-out state, then read-write interface 12 can continue the using state judging next stored fragments 104a, to find the stored fragments 104a that can write video streaming.In addition, provider location table 108 is in order to note down the provider location of each stored fragments 104a, and when stored fragments 104a cannot be written into because of being in the lock state, read-write interface 12 finds the position of next stored fragments 104a by provider location table 108.
From the angle of practical operation, when image storage device 1 is when writing video streaming, can find all belonging to by using state table 106 in advance can the stored fragments 104a of write state, and read start time information by the shelves head of each stored fragments 104a, then according to the sequence of time order and function order.If the large I of video streaming is contained in single stored fragments 104a, then read-write interface 12 can according to the stored fragments 104a of aforesaid process selecting for write video streaming.If be filled with by the default memory capacity of the stored fragments 104a selected and video streaming is not over yet time, read-write interface 12 can continue can the stored fragments 104a of write state by next for video streaming write belonging to.At this, if in entity storage space, without the next one belong to can the stored fragments 104a of write state time, read-write interface 12 can again from the beginning of entity storage space, and continuing to find next belonging to can the stored fragments 104a of write state.
Although store a full stored fragments 104a at the end of it should be noted that video streaming, during for write next video streaming, described next video streaming still can be stored to that the next one belongs to by read-write interface 12 can in the stored fragments 104a of write state.For example, when the spacing between two video streamings was more than two seconds, a previous and rear video streaming can be stored in different stored fragments 104a by read-write interface 12 respectively.Therefore, each video streaming stored in image storage device 1 of the present invention be all write from the beginning of different stored fragments 104a, and two different video streamings also can not be written in same stored fragments 104a.
(the second embodiment)
Refer to shown in Fig. 2, second embodiment of the invention provides a kind of image register 2 in order to take and to store the image of surrounding environment.Be with the first embodiment difference, described image register 2, except an image storage device 1, also comprises image acquisition unit 20, user's interface 22 and an administrative unit 24.In practice, image register 2 can be a kind of driving recorder or other are suitable for the photographic equipment of making video recording that circulates, and image storage device 1 comprises a pluggable memory card or other suitable memory devices.The each several part element of image register 2 is below described respectively.
The element that image storage device 1 comprises with described in the first embodiment, and each element function that should have or working method identical with the first embodiment time, the present embodiment does not repeat them here.
Video streaming in order to shoot with video-corder a video streaming, and is sent to image storage device 1 by image acquisition unit 20.In practice, image acquisition unit 20 can be a kind of CCD, CMOS or other video equipments, and the present invention is not limited at this.At this, as long as take the image of surrounding environment and produce video streaming, the category of image acquisition unit of the present invention all should be belonged to.
User's interface 22 provides user to input write signal or reads signal to image storage device 1, wherein video streaming is write stored fragments 104a in order to drive the read-write interface 12 of image storage device 1 by write signal, and video streaming reads in order to drive the read-write interface 12 of image storage device 1 by write signal in stored fragments 104a.In other words, user's interface 22 video streaming that user's unrestricted choice can be provided whether to write image acquisition unit 20 photograph.
Administrative unit 24 couples user's interface 22 and image storage device 1, can according to control signal to access using state table 106.Wherein, user outputs control signals to administrative unit 24 by user's interface 22, and the using state of a kth stored fragments 104a is set as in order to control and management unit 24 by control signal can write state or lock-out state.In practice, user selects among the second storage area 104 by user's interface 22, the presentation content of which or which stored fragments 104a needs to be retained, when user selects the presentation content retaining a kth stored fragments 104a, user's interface 22 outputs control signals to administrative unit 24, and administrative unit 24 is just according to the content indicated by control signal, the using state of a kth stored fragments 104a is set as lock-out state.On the contrary, when user selects not retain the presentation content of a kth stored fragments 104a, administrative unit 24 equally can according to the content indicated by control signal, and the using state of a kth stored fragments 104a being set as can write state.
Certainly, image register 2 can also have the application that greater functionality extends, for example, when user selects the presentation content retaining a kth stored fragments 104a, a kth stored fragments 104a not only can be set to lock-out state by administrative unit 24, also can according to the start time set in the header of a kth stored fragments 104a, search the header of all stored fragments 104a, several stored fragments 104a within the scope of certain hour are set as lock-out state in the lump, avoid key picture to be covered by other images.In practical application, when user selects the presentation content retaining a kth stored fragments 104a, a previous and rear stored fragments 104a of a kth stored fragments 104a also can be set as lock-out state by administrative unit 24 in the lump in the lump.
In sum, the image storage device that the embodiment of the present invention provides and image register when format manipulation, can complete pre-configured for the space needed for each stored fragments, and video streaming can be stored in continuous print entity storage space.In addition, the present invention in units of stored fragments, does not need to delete old shelves in advance and can immediately write yet in time overriding presentation content.Therefore, be different from traditional image storage device and image register, the present invention does not need constantly to upgrade FAT, do not need to find the storage space that can supply write image file, also need not search when wanting to write new shelves and delete the flow process of old shelves, and then can significantly simplify read-write flow process, make the present invention can reach the seamless of high image quality image and make video recording.
The foregoing is only better possible embodiments of the present invention, non-ly therefore limit to protection scope of the present invention, therefore the equivalence techniques change that all utilization the present invention do, be all contained in protection scope of the present invention.
Claims (16)
1. an image storage device, in order at least to store a video streaming, is characterized in that, comprising:
One storage medium, comprising: one first storage area and one second storage area;
This first storage area, according to one first archives configuration rule format, have prestore for driving a computer this second storage area to be formatted as an application with one second archives configuration rule, wherein this first archives configuration rule is FAT archives configuration rules; And
This second storage area, according to the startup of this application, this second storage area is formatted into the storage space with this second archives configuration rule, this second storage area through the format of this second archives configuration rule comprises M stored fragments, each this stored fragments is continuous print entity storage space, and each this stored fragments has a default memory capacity; And
One read-write interface, writes the kth in this M stored fragments by this video streaming, maybe the kth of this video streaming in this M stored fragments read;
M, k are positive integer, and k is not more than M;
Wherein when this default memory capacity of this kth stored fragments is filled with and this video streaming is not over yet, (k+1) that this read-write interface continues this video streaming to write in this M stored fragments is individual, and (k+1) is not more than M;
Wherein by this first storage area of this computer direct access, realize starting this application, this second storage area is performed to the format of this second archives configuration rule.
2. image storage device as claimed in claim 1, is characterized in that, when when this default memory capacity of this M stored fragments is filled with, this video streaming is not over yet, this video streaming is write the 1st in this M stored fragments by the continuation of this read-write interface.
3. image storage device as claimed in claim 1, it is characterized in that, the shelves head of this kth stored fragments stores the start time of this video streaming.
4. image storage device as claimed in claim 3, is characterized in that, when this video streaming is write the kth in this M stored fragments by this read-write interface, the shelves head of this kth stored fragments to store in this M stored fragments the start time the earliest.
5. image storage device as claimed in claim 1, it is characterized in that, this storage medium also comprises:
One using state table, in order to note down the using state of each this stored fragments;
This read-write interface is searched this using state table and is judged the using state of this kth stored fragments, if the using state of this kth stored fragments is one can write state, then this video streaming is write this kth stored fragments by this read-write interface; If the using state of this kth stored fragments is a lock-out state, then continue the using state judging this (k+1) individual stored fragments.
6. image storage device as claimed in claim 1, it is characterized in that, this storage medium also comprises a provider location table, this provider location table in order to note down the provider location of each this stored fragments, and this read-write interface according to this provider location table so that this video streaming is write this kth stored fragments.
7. image storage device as claimed in claim 1, it is characterized in that, this application assists reparation and the detection of this image storage device.
8. an image register, is characterized in that, comprising:
One image acquisition unit, in order to shoot with video-corder a video streaming;
One image storage device, couples this image acquisition unit, and this image storage device comprises:
One storage medium, comprising: one first storage area and one second storage area;
This first storage area, according to one first archives configuration rule format, have prestore for driving a computer this second storage area to be formatted as an application with one second archives configuration rule, wherein this first archives configuration rule is FAT archives configuration rules;
This second storage area, according to the startup of this application, this second storage area is formatted into the storage space with this second archives configuration rule, this second storage area through the format of this second archives configuration rule comprises M stored fragments, each this stored fragments is continuous print entity storage space, and each this stored fragments has a default memory capacity; And
One read-write interface, writes the kth in this M stored fragments by this video streaming according to a write signal, or read signal by kth the reading of this video streaming in this M stored fragments according to one; And
One user's interface, provide user input this write signal maybe this reading signal to this image storage device;
M, k are positive integer, and k is not more than M;
Wherein when this default memory capacity of this kth stored fragments is filled with and this video streaming is not over yet, (k+1) that this read-write interface continues this video streaming to write in this M stored fragments is individual, and (k+1) is not more than M;
Wherein by this first storage area of this computer direct access, start this application, this second storage area is performed to the format of this second archives configuration rule.
9. image register as claimed in claim 8, is characterized in that, when when this default memory capacity of this M stored fragments is filled with, this video streaming is not over yet, this video streaming is write the 1st in this M stored fragments by the continuation of this read-write interface.
10. image register as claimed in claim 8, it is characterized in that, the shelves head of this kth stored fragments stores the start time of this video streaming.
11. image registers as claimed in claim 10, is characterized in that, when this video streaming is write the kth in this M stored fragments by this read-write interface, the shelves head of this kth stored fragments to store in this M stored fragments the start time the earliest.
12. image registers as claimed in claim 8, it is characterized in that, this storage medium also comprises:
One using state table, in order to note down the using state of each this stored fragments;
Wherein, this read-write interface is searched this using state table and is judged the using state of this kth stored fragments, if the using state of this kth stored fragments is one can write state, then this video streaming is write this kth stored fragments by this read-write interface; If the using state of this kth stored fragments is a lock-out state, then continue the using state judging this (k+1) individual stored fragments.
13. image registers as claimed in claim 12, it is characterized in that, this image register also comprises:
One administrative unit, couples this user's interface and this image storage device, according to a control signal to access this using state table;
Wherein, user exports this by this user's interface and controls signal to this administrative unit, and the using state of this kth stored fragments is set as that this can write state or this lock-out state in order to control this administrative unit by this control signal.
14. image registers as claimed in claim 13, it is characterized in that, when this control signal control this administrative unit this kth stored fragments is set as this lock-out state time, the start time that this administrative unit stores according to the header of this kth stored fragments, to search the header of this M stored fragments, and be set as this lock-out state in the lump by with the stored fragments within the scope of described start time gap one fixed time.
15. image registers as claimed in claim 8, it is characterized in that, this storage medium also comprises a provider location table, this provider location table in order to note down the provider location of each this stored fragments, and this read-write interface according to this provider location table so that this video streaming is write this kth stored fragments.
16. image registers as claimed in claim 8, it is characterized in that, this application assists reparation and the detection of this image storage device.
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| CN201110040315.5A CN102646434B (en) | 2011-02-18 | 2011-02-18 | Image storing device and image recorder |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201110040315.5A CN102646434B (en) | 2011-02-18 | 2011-02-18 | Image storing device and image recorder |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2891111Y (en) * | 2006-01-09 | 2007-04-18 | 张辉 | On-board image recorder |
| CN101908049A (en) * | 2009-06-03 | 2010-12-08 | 晨星软件研发(深圳)有限公司 | File system and switching method thereof |
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| JP4321543B2 (en) * | 2006-04-12 | 2009-08-26 | トヨタ自動車株式会社 | Vehicle periphery monitoring device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2891111Y (en) * | 2006-01-09 | 2007-04-18 | 张辉 | On-board image recorder |
| CN101908049A (en) * | 2009-06-03 | 2010-12-08 | 晨星软件研发(深圳)有限公司 | File system and switching method thereof |
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