CN101788304A - Vehicle-mounted navigation and audio-video multimedia system having multi-channel video recording function - Google Patents
Vehicle-mounted navigation and audio-video multimedia system having multi-channel video recording function Download PDFInfo
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- CN101788304A CN101788304A CN200910036924A CN200910036924A CN101788304A CN 101788304 A CN101788304 A CN 101788304A CN 200910036924 A CN200910036924 A CN 200910036924A CN 200910036924 A CN200910036924 A CN 200910036924A CN 101788304 A CN101788304 A CN 101788304A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
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Abstract
The invention relates to the technical field of vehicle-mounted navigation and multimedia, and specifically relates to a vehicle-mounted navigation and audio-video multimedia system having the multi-channel video recording function. The system comprises a camera group, a video dividing unit, a video recording unit and a main processor unit, wherein the video dividing unit, the video recording unit and the main processor unit are connected with each other, and the camera group is connected with the video dividing unit. The system also comprises a base plate control unit, and the base plate control unit which can send corresponding commands based on the received vehicle control signals is connected with the main processor unit. The system integrates various functions of the vehicle-mounted electrical devices, effectively reduces the number and the volume of the devices, improves the reliability of the system, and can be widely used for the vehicle-mounted electrical devices.
Description
Technical field
The present invention relates to vehicle mounted guidance and multimedia technology field, refer in particular to a kind of vehicle mounted guidance and audio-visual multimedia system that possesses the multi-channel video record.
Background technology
Common in the market vehicle multimedia system, main integrated functions such as vehicle-carrying DVD, navigation, radio, Digital Television, bluetooth, vehicle backing backsight.The blind zone problem that has solved rear view of vehicle when the position is gone in reversing for the vehicle backing backsight function is very practical.But in the vehicle ' process, can't solve the problem of existing rear view mirror blind zone.Particularly when turn inside diameter, doubling, because the blind area of the vehicle body side that cause existing rearview mirror installation site is to cause a major reason that has an accident in the vehicle ' process.The audio-video system amusement function of existing vehicle is powerful, but the security function deficiency.
Summary of the invention
The technical matters that the present invention solves is to provide a kind of vehicle mounted guidance and audio-visual multimedia system of possessing the multi-channel video record with multiple function; Can realize carrying navigation, DVD, radio reception, mobile digital TV, digital broadcast, bluetooth handsfree phone, video traveling record, accident record, replenish multiple functions such as rear view mirror blind zone, safe antitheft, various visual angles reversing.
The technical scheme that the present invention solves the problems of the technologies described above is: comprise shooting unit, Video Segmentation unit, videograph unit and main processor unit; Video Segmentation unit, videograph unit and main processor unit interconnect, and the shooting unit is connected with the Video Segmentation unit; Also include the base plate control module, the described base plate control module that can send command adapted thereto according to the Body Control signal of reception is connected with main processor unit.
Described shooting unit includes four-way CCD camera, is arranged at the position, front, rear, left and right of vehicle respectively.
The video that described shooting unit is taken records directly or from RAM through the consecutive image compressed encoding or behind the circulation compressed encoding in SD card, hard disk, USB flash disk or the machine on the storage medium such as FLASH.
Also include audio treatment unit, DVD unit and/or DTV unit, CDC DVD multidisc unit, electronic speed-determination unit, procotol resolution unit.
Also comprise radio reception unit and/or bluetooth unit.
Described audio treatment unit is made up of audio A/D converter, DAB switch, digital audio processor, audio frequency DAC converter, audio frequency low pass LPF active power filtering and audio frequency power amplifier.
The present invention is integrated the function of functions such as traditional vehicle mounted guidance, DVD, radio reception, mobile digital TV, digital broadcast, bluetooth handsfree phone and automobile video registering instrument.On the function basis of realizing vehicle mounted guidance, DVD, radio reception, mobile digital TV, digital broadcast, bluetooth handsfree phone, this programme is supported in No. 4 video cameras is installed on the automobile, and 4 road videos are cut apart combination by system, can also replenish blind area, rearview mirror visual angle, make human pilot in the driving way, can see the zone that reflective mirror be can't see, thereby strengthen the drive safety of automobile.The video of taking by the unit of will making a video recording records directly or from RAM through the consecutive image compressed encoding or behind the circulation compressed encoding in SD card, hard disk, USB flash disk or the machine on the storage medium such as FLASH; Can realize the quick field notes and the processing of traffic hazard.In addition, has video program source preview function simultaneously; The present invention can be simultaneously displayed on the video of the program source of various videos in the system on the LCD screen in the mode of dwindling, for user's preview.When if which video program source the user need see, the direct video that dwindles by screen taps, system just is shown to this program source on the liquid crystal display with normal size, and the confession user watches.The present invention is directed to this defective, having proposed increases the idea of vehicle multi-channel video record cell on the basis of existing vehicle audio-video system.This unit can support that the picture of multi-channel video is synthetic, thereby is supported in a plurality of video cameras of installation on the vehicle, and a plurality of pictures is synthesized to simultaneously on the display screen of audio-video system, thereby can effectively replenish the rear view mirror blind zone in the driving process.Simultaneously can be in the process of moving, to the record in addition of the video around the driving, after can solving vehicle effectively and having an accident, the defining issue of responsibility.Utilize the ability to play of vehicle audio-video system, the picture of all right site playback accident is accelerated the processing of traffic police department to accident.Simultaneously in reversing, owing to can show vehicle body image on every side, the safe ready more of moveing backward simultaneously.In the time of vehicle parking, utilize the ability of the burglar alarm that the videograph unit provides, the picture that vehicle in theft vehicle or the parking lot can also be collided is record in addition, quickens the process of solving a case
Description of drawings
The present invention is further described below in conjunction with accompanying drawing:
Accompanying drawing 1 is a structured flowchart of the present invention;
Accompanying drawing 2 is camera scheme of installations of the present invention.
The explanation of accompanying drawing figure number
Base plate control module 5 audio treatment units 6
7 DTV unit 8, DVD unit
Radio reception unit 9 bluetooth units 10
Embodiment
See shown in the accompanying drawing 1, the present invention includes 13 unit such as shooting unit 1, Video Segmentation unit 2, videograph unit 3, main processor unit 4, base plate control module 5, audio treatment unit 6, DVD unit 7, DTV unit 8, radio reception unit 9, bluetooth unit 10, accident detecting unit, GPS unit, power conversion unit, can comprise functional units such as CDC DVD multidisc unit, electronic speed-determination unit, procotol resolution unit in addition.Video Segmentation unit 2, videograph unit 3 and main processor unit 4 interconnect, and shooting unit 1 is connected with Video Segmentation unit 2; The base plate control module 5 that can send command adapted thereto according to the Body Control signal of reception is connected with main processor unit 4.The accident detecting unit is connected with the videograph unit, and the GPS unit is connected with main processor unit 4 with videograph unit 3; Power conversion unit is powered to each several part.Shooting unit 1 includes four-way CCD camera (the present invention is an example with four tunnel, but is not limited to this), is arranged at the position, front, rear, left and right of vehicle respectively; Its video records directly or from RAM through the consecutive image compressed encoding or behind the circulation compressed encoding in SD card, hard disk, USB flash disk or the machine on the storage medium such as FLASH.Audio treatment unit 6 is made up of audio A/D converter, DAB switch, digital audio processor, audio frequency DAC converter, audio frequency low pass LPF active power filtering and audio frequency power amplifier.Audio treatment unit 6 is connected with Video Segmentation unit 2 with main processor unit 4; DVD unit 7 is connected with the DAB switch of audio treatment unit 6; DTV unit 8 is connected with Video Segmentation unit 2 behind the video AD converter, and is connected with the audio A/D converter of audio treatment unit 6; Radio reception unit 9, bluetooth unit 10 are connected with the audio A/D converter of audio treatment unit 6.
System of the present invention externally has multiple IO interface.Wherein main processor unit 4 external interfaces comprise 1 SD card, two USB2.0 interfaces, CAN2.0 network interface.Videograph unit 3 external interfaces comprise 1 SD card, 1 USB interface.Base plate control module 5 external interfaces comprise the various signal input interfaces of vehicle, as automobile key line (ACC), astern signal (BACK), brake signal (BREAK), left direction signal (LEFT), right turn signal (RIGHT), car speed transducing signal interface (SPEED) etc.
Video Segmentation of the present invention unit 2 models are TW2835.Its vision signal is carried out analog-to-digital conversion, is for conversion into digital video signal; Then 4 videos are become a video pictures at chip internal, with the form output of ITU656.
In the present invention, the digital video input end of videograph unit 3 is connected on Video Segmentation unit 2 video-out ports, is mainly used in car driving video that unit 1 the collects record in addition of making a video recording outward.Under the situation of operate as normal, main processor unit 4 can instruct Video Segmentation unit 2 that the video pictures of 4 bus body cameras input is synthesized a sub-picture, always exports with synthetic picture on Video Segmentation unit 2 then; Thereby guaranteed that when driving the videograph unit always can record the image of the driving process of vehicle body 4 road camera acquisitions.
The major function of videograph unit 3 is exactly to the vision signal exported on Video Segmentation unit 2DoutX port image compression encoding in addition.And the cycle index in addition on RAM of the digital picture after will encoding.In case the generation traffic hazard, if accident is smaller, the accident detecting unit can not trigger.At this moment the user can select to press the accident record button.In case the user presses the accident record button, videograph unit 3 will be the image recording before and after the accident that is stored on the RAM on SD card or USB dish.If accident is more serious, at this moment the accident detecting unit can trigger videograph unit 3, will be stored in accident video record before and after the accident on the RAM on SD card or USB dish, thereby realizes the function of automatic accident record.
After vehicle was flame-out, base plate control module 5 detected ACC key signal output low level, and base plate control at this moment can be closed most supply modules by the instruction power converter unit for single 5 yuan, only keeps the power supply to the accident detecting unit.The sensitivity that the detecting unit of instruction accident simultaneously raising accident detects.In case vehicle suffers external impact or bump in parking period, the accident detecting unit can notify base plate control module 5 to open all power supplys relevant with accident record at once, comprises vehicle body camera power supply, videograph unit power supply etc.And the photologging of the accident after will bumping or clash into is on SD card or USB dish.Through behind the record of some time, base plate control module 5 can be closed by the power supply that whole recording section is relevant once more.Utilize this function, in the time of can realizing vehicle parking to the videograph of external impact or thievery.Thereby can help the car owner to seek the troublemaker or the thief of vehicle impact when parking effectively.When utilizing this power management also to effectively reduce vehicle parking simultaneously, native system is to the consumption of automobile batteries.
The mobile communication module of all forms is supported in videograph unit 3.In case theft takes place or the bump accident when parking, can also pass through mobile communication module, with note, make a phone call or the mode of multimedia message is notified the car owner.And utilize mobile communication module, with the vehicle body camera acquisition to image scene send to the car owner place in the mode of multimedia message, thereby kept first hand evidence for vehicle is stolen.
Utilize Video Segmentation unit 2 video of 4 bus body camera acquisitions can be synthesized one road video, and can select simultaneously from the characteristic of DoutX and the output of DoutY port, this device can be realized in the driving process on one side the image of vehicle body camera acquisition record in addition, and on one side these images are shown on the LCD display by Main Processor Unit 4, thereby realize the blind function of rearview mirror benefit, realize safer driving.Particularly in vehicle left steering or right turn process, if having near the vehicle body side reflective mirror in pedestrian or other vehicles, reflective mirror is actually be can't see.Directly turn if the driver is careless, tend to cause the accident.After having had the driving of this device to mend blind function, the driver just can utilize this function to replenish the blind area of reflective mirror well, thereby realizes safer driving.
In this programme, the digital video input end of videograph unit is connected on the DoutX video-out port, is mainly used in car driving video that unit 1 the collects record in addition of making a video recording outward.Therefore under the situation of operate as normal, main processor unit 4 can instruct the Video Segmentation unit that the video pictures of 4 bus body video cameras input is synthesized piece image, always synthetic picture is exported on DoutX and VAOUTX output port then, thereby guaranteed that when driving the videograph unit always can record the image of the driving process of vehicle body 4 road camera acquisitions.And VAOUTX is an analog video output signal, and the content and the DoutX of its output are identical.The signal of video output is connected to the external video input end of automobile audio-visual multimedia signal.The video pictures of outer 4 road camera acquisitions of this sample car after process TW2835 synthesizes a picture, can output on the display of automobile audio-visual multimedia system from VAOUTX, and 4 pictures are shown simultaneously.Installation site by 4 video cameras of meticulous layout, just can collect the image of the blind area that rearview mirror can't see, left and right sides fade chart picture particularly, and on the LCD of automobile audio-visual multimedia system liquid crystal display, shown, thereby realize the blind function of rearview mirror benefit, realize safer driving function.Camera arrangements is as shown in Figure 2 when utilizing 4 video cameras to replenish the blind area, visual angle:
At first setting up the vehicle body coordinate system, is Y-axis with the center line along the vehicle body fore-and-aft direction, and is positive dirction with the direction of headstock.In the vehicle body surface level, perpendicular to Y-axis, and the line on sensing vehicle body right side is an X-axis.According to the right-handed helix rule, perpendicular to XOY plane, the line that points to roof is the Z axle.4 video cameras have been installed on the vehicle body.A forward direction, a left side, a right side and a rear view camera.If the camera lens visual angle of these 4 video cameras is respectively γ
0, γ
1, γ
2, γ
3After having 3 on the vehicle to reflective mirror, promptly behind nearside mirror, right reflective mirror and the Che Nei to reflective mirror.If the visual angle of these several reflective mirrors is respectively β
1, β
2And β
0If after left side camera and right side video camera were installed, visual angle normal and vehicle body X-axis angle were respectively θ
1And θ
2The angle of left side camera and reflective mirror visual angle, left side normal is α
1The angle of right side video camera and reflective mirror visual angle, right side normal is α
2Choose reasonable video camera visual angle γ
0, γ
1, γ
2, γ
3, and select the rational setting angle θ in side
1And θ
2, the blind area that just can replenish the left and right sides reflective mirror well, thus realize safer driving.TW2835 not only can synthesize a picture with 4 pictures simultaneously, any 1 in 4 pictures, any two and any 3 pictures can also be synthesized a complete picture and is shown.The user in use instructs by sending to the videograph unit, and the videograph unit just can instruct TW2835 to change the synthetic strategy of picture again by the I2C bus.Particularly the picture of two video cameras in left side and right side is synthesized a picture and be presented on the screen, mending blind effect will be desirable more.Effect as shown in Figure 4.
This programme is mended the blind function except finishing vehicle ' writing function and rearview mirror, also possesses DVD/CD/VCD/MP3 video disc playing function, function of radio receiver, mobile digital TV playing function, plays multi-media player function, bluetooth earphone and data-transformation facilities such as digital movie, digital music, full visual angle car-backing function, inserts functions such as vehicle body network by SD card or USB dish.
This programme possesses DVD/CD/VCD/MP3 video disc playing function, plays Digital Television, plays iPOD or plays the function of assisting incoming video signal.Above-mentioned these video signal sources all are connected on the analog video input channel of video AD C converter.Video AD C converter is by receiving the instruction of main processor unit 4, can be with in addition digital-to-analog conversion of one tunnel vision signal wherein.Digital video signal after the conversion outputs to the PBIN input port of Video Segmentation unit 2 with the form of ITU656.In normal operation, primary processor can instruct Video Segmentation unit 2 to switch on the DoutY output port from the digital video signal of PBIN interface input.Because the DoutY output port is connected with main processor unit 4 video input interfaces, therefore the vision signal of exporting from the DoutY port can be presented on the LCD LCD Panel by main processor unit 4.Utilize this mode, except the video that the DVD unit is play is presented on the LCD liquid crystal display, main processor unit 4 can also be passed through the incoming video signal passage of instruction Switch Video ADC unit, plays Digital Television, plays iPOD or plays the function of assisting incoming video signal thereby reach.
Audio treatment unit 6 partly is made up of audio A/D converter, DAB switch, digital audio processor, audio frequency DAC converter, audio frequency low pass LPF active power filtering and audio frequency power amplifier etc.For unit such as iPOD, the Digital Television unit etc. of output analogue audio frequency in this system, the simulated audio signal of output inserts to be possessed on the audio A/D converter of voice-grade channel switching capability.Audio A/D converter is accepted the instruction of main processor unit 4, selects wherein one road audio frequency input, and is on the sound signal incoming digital audio switch of digital I2S form with this audio conversion.In order to realize the function of high-fidelity, the digital audio and video signals of the I2S form of the digital audio and video signals of the I2S form of DVD output, main processor unit 4 outputs and the I2S format digital sound signal of audio A C output enter the DAB switch in the lump.The instruction that this switch can send according to main processor unit 4 is selected wherein a way word sound signal and this signal is outputed on the digital audio processor.Digital audio processor is the signal processor of the digital audio processing of a slice special use.This processor can be done audio mixing control, volume control, height sound control system, the control of multiband audio balance to the DAB of input according to the instruction of main processor unit 4.Can also realize 3D sound field effect and sound spectrum Presentation Function.Through the voice signal after the digital audio processor processing, can export 4 sound channel signals simultaneously, and enter audio frequency DAC converter with the form of I2S.In order to realize the effect of high-fidelity, the built-in over-sampling wave digital lowpass filter of this audio frequency DAC converter can be eliminated mixed in the digital-to-analogue conversion process well and fall interference.Enter active analog low-pass filter LPF through the simulated audio signal after the DAC conversion and do further filtering, thereby further eliminate the various interference in the DAC transfer process, guarantee the quality of sound.Directly import the audio-frequency power amplifier of 4 passages through the sound signal after the filtration of analogue active low-pass filter device.This amplifier can directly promote loudspeaker and take place.
DVD/CD/VCD/MP3 video disc playing function is realized by DVD unit 7.This unit is made up of movement and servo decoding system.The Play Control of DVD unit 7 is realized by the UART serial ports.Main processor unit 4 sends instruction by this serial ports, just can realize that the DVD player core is play, suspends, stopped, F.F., rewind down, play next song, the last song of broadcast, directly selects all functions of DVD/CD/VCD/MP3 broadcasts such as song.In playing process, the digital audio and video signals of analog video image signals and I2S form is directly exported in DVD unit 7.
The Digital Television playing function is realized that by DTV unit 8 this unit is made up of 3 parts such as Digital Television receiver turning, baseband processor and digital television decoder.Digital television decoder can be exported the Voice ﹠ Video signal of simulation, and enters corresponding analog video ADC and analogue audio frequency ADC port.The search functions such as platform, channel selection, radio station memory of Digital Television in playing process send the instruction realization by main processor unit 4 by the UART serial ports.
The function of radio receiver of native system is realized by radio reception unit 9.This unit is realized by the radio reception module of maturation.The stereo audio signal of radio reception module output enters the corresponding port of analogue audio frequency ADC.The radio functions such as platform, channel selection, radio station memory of searching in use send the instruction realization by main processor unit by the I2C serial ports.
The vehicle mounted guidance function of native system is realized by main processor unit 4.The core of main processor unit 4 is by embedded SoC processor chips.This can move operating systems such as WinCE, Linux above chip.Navigation software is installed on the high-capacity FLASH that carries in external SD card memory or the unit.Navigation software receives the navigation message that the GPS unit sends by the UART serial ports, does fusion with the digital map data of its data stock storage, thereby realizes navigation feature.
The vehicle-mounted digital electricity sound MP3 playing function of native system is realized by main processor unit 4.The user is stored in digital movie on the high-capacity FLASH memory that SD card or USB dish or this machine carry.By multimedia software, the user can be realized that the film or the mp3 file that prestore are play.The image of playing directly is sent to the LCD liquid crystal display in primary processor inside and is shown.The sound of playing outputs on the DAB switch by the I2S audio-frequency bus of main processor unit.Under the control of main processor unit 4, digital audio is sent on the digital audio processor, thereby realizes sound-playing function.
Claims (10)
1. a vehicle mounted guidance and an audio-visual multimedia system that possesses the multi-channel video record comprises: shooting unit (1), Video Segmentation unit (2), videograph unit (3) and main processor unit (4); Video Segmentation unit (2), videograph unit (3) and main processor unit (4) interconnect, and shooting unit (1) is connected with Video Segmentation unit (2); It is characterized in that: also include base plate control module (5), the described base plate control module (5) that can send command adapted thereto according to the Body Control signal of reception is connected with main processor unit (4).
2. vehicle mounted guidance and the audio-visual multimedia system that possesses the multi-channel video record according to claim 1, it is characterized in that: described shooting unit (1) includes four-way CCD camera, is arranged at the position, front, rear, left and right of vehicle respectively.
3. vehicle mounted guidance and the audio-visual multimedia system that possesses multi-channel video record according to claim 1 and 2 is characterized in that: the video that described shooting unit (1) is taken records directly or from RAM through the consecutive image compressed encoding or behind the circulation compressed encoding in SD card, hard disk, USB flash disk or the machine on the storage medium such as FLASH.
4. vehicle mounted guidance and the audio-visual multimedia system that possesses the multi-channel video record according to claim 1 and 2 is characterized in that: also include audio treatment unit (6), DVD unit (7) and/or DTV unit (8), CDC DVD multidisc unit, electronic speed-determination unit, procotol resolution unit.
5. vehicle mounted guidance and the audio-visual multimedia system that possesses the multi-channel video record according to claim 3 is characterized in that: also include audio treatment unit (6), DVD unit (7) and/or DTV unit (8), CDC DVD multidisc unit, electronic speed-determination unit, procotol resolution unit.
6. vehicle mounted guidance and the audio-visual multimedia system that possesses the multi-channel video record according to claim 4 is characterized in that: also comprise radio reception unit (9) and/or bluetooth unit (10).
7. vehicle mounted guidance and the audio-visual multimedia system that possesses the multi-channel video record according to claim 5 is characterized in that: also comprise radio reception unit (9) and/or bluetooth unit (10).
8. vehicle mounted guidance and the audio-visual multimedia system that possesses the multi-channel video record according to claim 4, it is characterized in that: described audio treatment unit (6) is made up of audio A/D converter, DAB switch, digital audio processor, audio frequency DAC converter, audio frequency low pass LPF active power filtering and audio frequency power amplifier.
9. vehicle mounted guidance and the audio-visual multimedia system that possesses the multi-channel video record according to claim 5, it is characterized in that: described audio treatment unit (6) is made up of audio A/D converter, DAB switch, digital audio processor, audio frequency DAC converter, audio frequency low pass LPF active power filtering and audio frequency power amplifier.
10. vehicle mounted guidance and the audio-visual multimedia system that possesses the multi-channel video record according to claim 6, it is characterized in that: described audio treatment unit (6) is made up of audio A/D converter, DAB switch, digital audio processor, audio frequency DAC converter, audio frequency low pass LPF active power filtering and audio frequency power amplifier.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910036924A CN101788304A (en) | 2009-01-22 | 2009-01-22 | Vehicle-mounted navigation and audio-video multimedia system having multi-channel video recording function |
| PCT/CN2009/001361 WO2010083635A1 (en) | 2009-01-22 | 2009-12-02 | Vehicle-mounted navigation and video/audio multimedia system with multiple video recording |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910036924A CN101788304A (en) | 2009-01-22 | 2009-01-22 | Vehicle-mounted navigation and audio-video multimedia system having multi-channel video recording function |
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| CN101788304A true CN101788304A (en) | 2010-07-28 |
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| CN200910036924A Pending CN101788304A (en) | 2009-01-22 | 2009-01-22 | Vehicle-mounted navigation and audio-video multimedia system having multi-channel video recording function |
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| WO (1) | WO2010083635A1 (en) |
Cited By (9)
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| CN102186007A (en) * | 2010-12-17 | 2011-09-14 | 王光树 | A remote sensing observation mirror |
| CN102547144A (en) * | 2012-02-28 | 2012-07-04 | 深圳市诺威达科技有限公司 | Device and system for supporting switching of multipath video signals |
| CN103209863A (en) * | 2010-09-13 | 2013-07-17 | Be航天股份有限公司 | Docking station for a video monitor |
| WO2014166449A1 (en) * | 2013-07-01 | 2014-10-16 | 中兴通讯股份有限公司 | Panoramic video-based vehicle onboard navigation method and system, and storage medium |
| CN104581042A (en) * | 2013-10-11 | 2015-04-29 | 富士通株式会社 | Image processing apparatus and image processing method |
| CN104875681A (en) * | 2015-06-16 | 2015-09-02 | 四川长虹佳华信息产品有限责任公司 | Dynamic vehicle-mounted camera control method based on application scenarios |
| CN105043409A (en) * | 2015-07-23 | 2015-11-11 | 柳州译海网络科技有限公司 | Vehicle-mounted multifunctional navigation system |
| CN108616721A (en) * | 2018-03-28 | 2018-10-02 | 广州凌飞电子科技有限公司 | A kind of audio-visual dual system of automobile multimedia navigation |
| US20230027611A1 (en) * | 2021-07-26 | 2023-01-26 | Realtek Semiconductor Corporation | Power supply device, power supply system and non-transitory computer-readable recording medium |
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| CN201352835Y (en) * | 2009-01-22 | 2009-11-25 | 广东电子工业研究院有限公司 | On-vehicle navigation and audio-visual multimedia device with multi-path video record |
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- 2009-01-22 CN CN200910036924A patent/CN101788304A/en active Pending
- 2009-12-02 WO PCT/CN2009/001361 patent/WO2010083635A1/en active Application Filing
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103209863A (en) * | 2010-09-13 | 2013-07-17 | Be航天股份有限公司 | Docking station for a video monitor |
| CN102186007A (en) * | 2010-12-17 | 2011-09-14 | 王光树 | A remote sensing observation mirror |
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| US20230027611A1 (en) * | 2021-07-26 | 2023-01-26 | Realtek Semiconductor Corporation | Power supply device, power supply system and non-transitory computer-readable recording medium |
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Also Published As
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|---|---|
| WO2010083635A1 (en) | 2010-07-29 |
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