CN101193219A - Onboard information terminal device for receiving DMB - Google Patents
Onboard information terminal device for receiving DMB Download PDFInfo
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- CN101193219A CN101193219A CNA2006100976762A CN200610097676A CN101193219A CN 101193219 A CN101193219 A CN 101193219A CN A2006100976762 A CNA2006100976762 A CN A2006100976762A CN 200610097676 A CN200610097676 A CN 200610097676A CN 101193219 A CN101193219 A CN 101193219A
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Abstract
The invention relates to a vehicle information terminal device, especially for which can receive digital multimedia broadcasting (DMB) information and instantly store and play A/V data at any time. The device of the invention for receiving the DMB is that a vehicle navigation device or a remote information processing system and a vehicle A/V device receive and decode the DMB signal into a data package suitable for an A/V play mode. The DMB A/V data can be instantly stored in a store media, and the A/V data stored on the media can be played at any time as required, or outputted or transmitted outside through a suitable interface, or stored on a mobile storage media and played on other play devices with the mobile storage media.
Description
Technical field
The present invention relates to onboard information terminal device, relate in particular to a kind ofly on on-vehicle navigation apparatus (carnavigation system) or teleprocessing system (telematics system) and onboard audio/video device, receive the onboard information terminal device of DMB (mobile digital multi-media broadcast) signal.Wherein, in medium, store DMB audio/video data (A/V datapacket) constantly, and broadcast at any time is stored in the interior audio/video data of said storing medium as required, perhaps the audio/video data that is stored in the said storing medium is outwards transmitted or output by interface, perhaps above-mentioned audio/video data is stored in the mobile storage medium, and utilize above-mentioned mobile storage medium, on other playing device, play above-mentioned audio/video data.
Background technology
Mobile digital multi-media broadcast (Digital Multimedia Broadcasting:DMB) is a kind of based on satellite or earthwave, is designed to the mobile digital broadcast system of the novel concept of suitable mobile receiving terminal machine.The DMB signal can use mobile phone or vehicle mounted terminal machine as the broadcast receiving apparatus machine.Though vehicle mounted terminal machine can be realized the function of DMB special receiver, on vehicle-mounted personal digital assistant device machines such as vehicle-mounted Satellite Navigation Set or teleprocessing system, also can load the DMB receiver to receive the DMB signal.
Particularly,,, can on vehicle information terminal machine, load the DMB receiving function, realize information terminal and broadcast reception simultaneously from reality along with popularizing and the increase day by day of demand of vehicle information terminals such as on-vehicle navigation apparatus or teleprocessing system.Usually, on-vehicle navigation apparatus with the positional information that receives GPS to determine present vehicle location, based on this, as provide in the geography information vehicle current position information and to the system of the road driving information of destination, its mode and kind have multiple.
Provide teleprocessing system or based on the information such as condition of road surface of vehicle location, perhaps provide both sides' information such as exchanging vehicle condition and security performance, among the most advanced and sophisticated mobile communication terminal service of multiple abundant information such as the geography of surrounding environment, physics, social environment is being popularized.
This onboard information terminal is basically by the module that receives and handle positional information; The module of communicating by letter with the service system maintenance; The module that shows the information that service system provides; Control the module of this process; The compositions such as module that connect user or various sensor interfaces.
Vehicle information terminal machine receives the GPS information of gps satellite and judges present position, and positional information of judging and the various information that provide of service system nearby, as relevant navigation information (map, road conditions or branch line/main line situation etc.), objective environment and social environment information (gas station, restaurant, hotel, tourist attractions etc.) etc. show on every side, so that necessary multiple information to be provided to the user.Serve as that intercommunication is realized on the basis with this information simultaneously, and can be used as the security diagnostics of vehicle, the information terminal use that transmits emergency relief signal.
With vehicle-mounted A/V device is that the above-mentioned vehicle information terminal device of representative can load and has the function that receives and play the DMB signal.And listen to constantly and watch the DMB broadcast program.But DMB is as the audiovisual constantly of broadcasting, and from user's position, the use of the A/V resource (audio/video resource) of relevant high image quality can be restricted.Promptly, be in the mobile information terminal device of representative with the A/V device, except that simple audiovisual DMB signal constantly, also require the relevant A/V data of storage on medium, and play in due course, perhaps transmit and play to PMP portable devices such as (portable multimedia player portable media players), perhaps relevant DMB A/V storage on the mobile storage medium use flexibly so that multi-purpose DMB A/V resource such as reuse in the place of needs.
Fig. 1 is the pie graph of prior art mounted remote information processing system or A/V device (the A/V device that comprises vehicle navigation apparatus).As shown in Figure 1, the onboard information terminal device of prior art comprises the DMB acceptance division 1 that receives and decipher the DMB signal; From above-mentioned DMB acceptance division 1 receive and the A/V data of deciphering to the image processing part 2 of the format conversion that is fit to show; Store the medium 3 of closing vehicle navigation and telematic information; Handle the stored information of said storing medium, and carry out the information terminal portion 4 of relevant automobile navigation and teleprocessing control; Reproduce and export the picture signal that above-mentioned image processing part 2 handles or export the display part (LCD) 5 of the data of handling in the above-mentioned information terminal portion 4.
As shown in Figure 1, DMB acceptance division 1 receives DMB signal and deciphering, and the DMB signal after the deciphering is deciphering once more on image processing part 2, and the formation picture also is presented on the display 5.The memory spaces such as map that medium 3 is used in exploit information treatment system or the automobile navigation neatly, in information terminal portion 4, the information such as map that are stored in medium are used for relevant automobile navigation or teleprocessing, and the result is presented on the display part (LCD) 5.Promptly will be as among Fig. 1, in aforesaid mounted remote information processing of the prior art or A/V device (the A/V device that comprises navigation), even have medium simultaneously, but in fact DMB acceptance division and medium are operated respectively, and medium only goes up memory spaces such as the map use of using as simple teleprocessing or navigation.If it is put in order, in the DMB signal that on present mobile phone, receives, can partly be decrypted A/V merely, and can play or rest on the degree of utilizing the data broadcasting part constantly.
Summary of the invention
The objective of the invention is to, on vehicle navigation apparatus or teleprocessing system, onboard audio/car-mounted terminal devices such as video device, a kind of DMB of reception signal is provided, and on medium the onboard information terminal device of the reception DMB of storing audio/video data (A/V data packet) constantly.
In addition, the present invention also provides the onboard information terminal device of a kind of DMB of reception that can be as required the DMBA/V data that are stored on the medium be play at any time.
Another object of the present invention is to, provide a kind of by interface the onboard information terminal device that is stored in the reception DMB that the DMB A/V data on the medium transmit on other machine of outside.
Another object of the present invention is to, provide a kind of, store above-mentioned DMB A/V data and utilize the mobile storage medium, on other playing device, play the onboard information terminal device of the reception DMB of above-mentioned DMB A/V data based on removable storage media.
To achieve these goals, the onboard information terminal device of reception DMB of the present invention is characterised in that, comprising: the DMB receiving system that receives the DMB broadcast singal; The DMB A/V data decryption of the DMB A/V data of above-mentioned reception or storage device stored be transformed into the form that be fit to show, and to the image processing apparatus of display unit output; Store the DMB A/V data of above-mentioned reception, and the storage device that the DMB A/V data of above-mentioned storage are provided to image processing apparatus; Be connected with above-mentioned storage device, carry out the information terminal device of automobile navigation or remote information processing terminal information processing; The display unit of reproducing the picture signal of above-mentioned image processing apparatus and information terminal device output and showing etc.
In addition, receive in the onboard information terminal device of DMB in the invention described above, above-mentioned DMB receiving system for to be fit to the form storage that A/V plays, is decrypted it, simultaneously the relevant A/V data of store decrypted when DMB A/V storage.
Receive in the onboard information terminal device of DMB in the invention described above, can realize playing at any time by image processing apparatus at the DMB of above-mentioned storage device stored A/V signal.
Receive in the onboard information terminal device of DMB in the invention described above, above-mentioned storage device is with plug-in medium movably.
Receive in the onboard information terminal device of DMB in the invention described above, the movably plug-in medium of above-mentioned storage device can be hard disk (HDD), semiconductor memory card or optical recording/broadcast medium etc.
Receive in the onboard information terminal device of DMB in the invention described above, also be included as interface arrangement that the DMB A/V signal of above-mentioned storage device stored is exported to Other Instruments etc.
Mobile digital multi-media broadcast of the present invention is that DMB is suitable for mounted remote information processor or A/V device.In the DMB packet that receives, can on storage device, store the A/V packet constantly, and utilize vehicle-mounted playing device or external played device to play at any time as required.The present invention just provides a kind of device that can freely use the DMBA/V resource according to user's orientation and purposes.
In addition, the present invention is as having the function of playing the DMB A/V signal that receives in vehicle ', and it can improve the scope of DMB service, on the remote information process device or A/V device that receive DMB, can fully satisfy the requirement of user's A/V resource use.
Description of drawings
Fig. 1 is the accompanying drawing of expression prior art on-vehicle terminal device;
Fig. 2 is the accompanying drawing of the 1st embodiment of expression onboard information terminal device of the present invention;
Fig. 3 is the accompanying drawing of the 2nd embodiment of expression onboard information terminal device of the present invention;
Fig. 4 is the accompanying drawing of the 3rd embodiment of expression onboard information terminal device of the present invention.Reference numeral
10:DMB acceptance division 20: image processing part
30: medium 31: the plug-in medium
40: information terminal portion 50: display part
Embodiment
With embodiment the onboard information terminal device of reception DMB of the present invention is elaborated below with reference to accompanying drawings.
Before the onboard information terminal device of explanation reception of the present invention DMB, DMB system and onboard information terminal device (A/V device, the vehicle navigation apparatus that comprises the A/V device and remote information process device) are described.
As mentioned above, DMB is as the mobile digital broadcast system of the novel concept that is designed to suitable mobile receiving terminal machine reception, and it is to utilize satellite or earthwave that service is provided.Purpose and the characteristic of this DMB are, it is a kind of digital data bag (digital packet) signal that can receive on mobile objects such as vehicle, be bit information flow (bit stream), and after being decrypted as required, constitute the A/V signal to realize playing system.
In the DMB system, the formation of DMB bit information flow is defined.Use in its structure be the A/V part by the coding method of normalized MPEG2 or MPEG4, what then use according to the audio frequency of situation is coding method such as AC3.
This coding method is identical with coded systems such as present digital TV (digital TV) or PMP fundamentally, and it is just decoded with faint expansion and plays.Therefore, in the mounted remote information processor or A/V device that receive the DMB signal, the DMB packet of above-mentioned reception is equally play the A/V data of above-mentioned deciphering as the digital type image signal after deciphering with the standard that is fit to.Among the present invention, as required also can be in fixing or removable storage media, so that handling and playing afterwards the DMB A/V storage of above-mentioned deciphering.
Be among the present invention, in the DMB signal that receives, be stored on the medium through basic A/V data of deciphering, and when not receiving DMB, play.Simultaneously can as required and utilize external interface, transmit, perhaps use pluggable mobile storage medium, in other device (moving or alternate manner), play to other machine.
Fig. 2 is as the 1st embodiment of the onboard information terminal device of reception DMB of the present invention, and it is the situation that the DMB A/V data that are stored on the medium are play at any time.
With reference to Fig. 2, the onboard information terminal device of reception DMB of the present invention comprises the DMB acceptance division 10 that receives the DMB broadcast singal and carry out the packet deciphering; The DMBA/V data conversion of above-mentioned reception be decrypted into and be fit to the display format that to play at any time, and to display part 50 outputs, perhaps in order to play the DMB A/V data be stored in the medium 30 at any time, its conversion be decrypted into the image processing part 20 that is fit to display format and exports to display 50; Store the DMB A/V data that receive in the above-mentioned DMB acceptance division 10 constantly, the medium 30 that can play these data at any time is provided to image processing part 20; Be connected with said storing medium, carry out the information terminal portion 40 of telematics terminal signal; Reproduce the formations such as display part (LCD) 50 of the picture signal of above-mentioned image processing part 20 and 40 outputs of information terminal portion.
Fig. 2 is the operating chart of onboard information terminal device of the reception DMB of explanation the present invention the 1st embodiment, and DMB acceptance division 10 receives the DMB signals, and carries out basic decryption oprerations.Be that the DMB packet comprises A/V channel signals and data channel signal, and various control information.It carries out the packet deciphering, and extracts the packet in the necessary channel, also separable and deciphering DMB A/V data.The effect of image processing part 20 is when the DMB A/V data that provided by DMB acceptance division 10 being carried out deciphering such as compression recovery, but the form of also carrying out the composing images signal change, and it can be shown on display part (LCD) 50.The DMB A/V signal that display part (LCD) 50 reproduced image handling parts 20 provide, and can play DMB A/V signal at any time.
In addition, in the packet of handling on above-mentioned DMB acceptance division 10, the packet of the A/V channel of can be at any time the user being wanted is stored in the medium 30.The DMB A/V data that are stored in the medium 30 just offer image processing part 20 and deciphering when the user uses, to realize broadcast at any time and to show on display part (LCD) 50.
40 utilizations of information terminal portion are stored in the information such as map in the medium 30, carry out relevant operations such as automobile navigation or teleprocessing, and its result is presented on the display part (LCD) 50.
Fig. 3 is as the 2nd embodiment of the onboard information terminal device of reception DMB of the present invention, and it is a situation about the DMB A/V data that are stored in the medium being transmitted to external mechanical by external interface.
With reference to Fig. 3, the onboard information terminal device of reception DMB of the present invention comprises: receive the DMB broadcast singal and carry out the DMB acceptance division 10 that packet is deciphered; The DMB A/V data of above-mentioned reception are deciphered constantly and be transformed into suitable display format, and to display part 50 outputs, or in order to play the DMB A/V data that are stored on the medium at any time, the image processing part 20 that their are deciphered and are transformed into the suitable form that shows and export to display part 50; Store the DMBA/V data that above-mentioned DMB acceptance division 10 receives constantly, and the DMBA/V data of above-mentioned storage are offered the medium 30 of image processing part 20; Be connected with above-mentioned storage 30, and carry out the information terminal portion 40 of automobile navigation or telematics terminal information; Reproduce the display part (LCD) 50 of the picture signal of above-mentioned image processing part 20 and 40 outputs of information terminal portion; Being stored in external interface portion 60 compositions such as grade that said storing medium 30 interior DMB A/V data transmit to external mechanical.
Fig. 3 is the operating chart of onboard information terminal device of the reception DMB of explanation the present invention the 2nd embodiment, and DMB acceptance division 10 receives the DMB signals, and carries out basic decryption oprerations.Be that the DMB packet comprises A/V channel signals and data channel signal, and various control information.It carries out the packet deciphering, and extracts the packet in the necessary channel, also separable and deciphering DMB A/V data.The effect of image processing part 20 is that the form of carrying out to the composing images signal changes, so that it is presented on the display part (LCD) 50 when the DMB A/V data that provided by DMB acceptance division 10 being carried out deciphering such as compression recovery.The DMB A/V signal that display part (LCD) 50 reproduced image handling parts 20 provide, and can play DMB A/V signal at any time.
In addition, in the packet of on above-mentioned DMB acceptance division 10, handling, in medium 30, can store the packet of the A/V channel that the user wants at any time.When the user uses, just provide DMB A/V data and the deciphering that is stored in medium 30, to realize broadcast at any time and on display part (LCD) 50, to show to image processing part 20.
40 utilizations of information terminal portion are stored in the information such as map in the medium 30, carry out relevant operations such as automobile navigation or teleprocessing, and its result is presented on the display part (LCD) 50.
According to user's needs, the DMB A/V data that are stored in the said storing medium 30 can be exported to external mechanical by interface portion 60.Promptly, can be fixing or portable media player, transmit the above-mentioned DMB A/V data that are stored in the medium 30, and externally play the DMB A/V data that receive by interface portion 60 on the machine with PMP and interface as other outside A/V machine.
Fig. 4 is as the 3rd embodiment of the onboard information terminal device of reception of the present invention DMB, and its medium is plug-in medium movably.Can play the DMB A/V data of storage at any time, also can break away from medium and be connected use with fixing or personal portable media player.
With reference to Fig. 4, the onboard information terminal device of reception DMB of the present invention comprises the DMB acceptance division 10 that receives the DMB broadcast singal and carry out the packet deciphering; The DMBA/V data conversion of above-mentioned reception be decrypted into and be fit to the display format that to play at any time, and to display part 50 outputs, or in order to play the DMB A/V data be stored in the plug-in medium 31 at any time, its conversion be decrypted into the image processing part 20 that is fit to display format and exports to display 50; Store the DMB A/V data that receive in the above-mentioned DMB acceptance division 10 constantly, and can provide the plug-in medium 31 of playing these data at any time to image processing part 20; Be connected with said storing medium, carry out the information terminal portion 40 of telematics terminal signal; Reproduce the formations such as display part (LCD) 50 of the picture signal of above-mentioned image processing part 20 and 40 outputs of information terminal portion.
Fig. 4 is the operating chart that the DMB of explanation the present invention the 3rd embodiment receives onboard information terminal device, and DMB acceptance division 10 receives the DMB signal, and carries out basic decryption oprerations.Be that the DMB packet comprises A/V channel signals and data channel signal, and various control information.It carries out the packet deciphering, and extracts the packet in the necessary channel, also separable and deciphering DMB A/V data.The effect of image processing part 20 is that the form of carrying out the composing images signal changes, so that it can show on display part (LCD) 50 when the DMB A/V data that provided by DMB acceptance division 10 being carried out deciphering such as compression recovery.The DMB A/V signal that display part (LCD) 50 reproduced image handling parts 20 provide, and can play DMB A/V signal at any time.
In addition, in the packet of handling on above-mentioned DMB acceptance division 10, the packet of the A/V channel of can be at any time the user being wanted is stored in the plug-in medium 31.Plug-in medium 31 can be semiconductor memory cards such as mini-hard disk or durable type flash memory, perhaps also can be optical recording/playing media (as CD, VCD, DVD) etc.Under the situation that the user need use, be stored in DMB A/V data on the above-mentioned movably plug-in medium 31 and just offer image processing part 20 and deciphering playing at any time, and be presented on the display part (LCD) 50.
In addition, break away from and when being connected, being stored in above-mentioned plug-in medium 31 interior DMB A/V data and also can on other machine, playing back in the plug-in medium with personal portable media player with fixing.
40 utilizations of information terminal portion are stored in the information such as map in the plug-in medium 31, carry out relevant operations such as automobile navigation or teleprocessing, and its result is presented on the display part (LCD) 50.
Claims (6)
1. onboard information terminal device that receives DMB is characterized in that:
Comprise: the DMB receiving system that receives the DMB broadcast singal; The DMB A/V data decryption of the DMBA/V data of above-mentioned reception or storage device stored be transformed into the form that be fit to show, and to the image processing apparatus of display unit output; Store the DMB A/V data of above-mentioned reception, and the storage device that the DMB A/V data of above-mentioned storage are provided to image processing apparatus; Be connected with above-mentioned storage device, carry out the information terminal device of automobile navigation or remote information processing terminal information processing; Reproduce the picture signal of above-mentioned image processing apparatus and information terminal device output and the display unit that shows.
2. the onboard information terminal device of reception DMB as claimed in claim 1 is characterized in that:
Described DMB receiving system for to be fit to the form storage that A/V plays, is decrypted it, simultaneously the relevant A/V data of store decrypted when DMB A/V storage.
3. the onboard information terminal device of reception DMB as claimed in claim 1 is characterized in that:
Can realize playing at any time by image processing apparatus at the DMB of above-mentioned storage device stored A/V signal.
4. the onboard information terminal device of reception DMB as claimed in claim 1 is characterized in that:
Above-mentioned storage device is plug-in medium movably.
5. the onboard information terminal device of reception DMB as claimed in claim 1 is characterized in that:
The movably plug-in medium of above-mentioned storage device is hard disk, semiconductor memory card or optical recording/broadcast medium.
6. the onboard information terminal device of reception DMB as claimed in claim 1 is characterized in that:
Also be included as the interface arrangement of the DMB A/V signal of above-mentioned storage device stored to Other Instruments output.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2006100976762A CN101193219A (en) | 2006-11-22 | 2006-11-22 | Onboard information terminal device for receiving DMB |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2006100976762A CN101193219A (en) | 2006-11-22 | 2006-11-22 | Onboard information terminal device for receiving DMB |
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| CN101193219A true CN101193219A (en) | 2008-06-04 |
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| CNA2006100976762A Pending CN101193219A (en) | 2006-11-22 | 2006-11-22 | Onboard information terminal device for receiving DMB |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107211005A (en) * | 2015-01-01 | 2017-09-26 | 哈曼贝克自动系统股份有限公司 | Strengthen the auxiliary equipment of the machine onboard system by adding interface and computing capability |
-
2006
- 2006-11-22 CN CNA2006100976762A patent/CN101193219A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107211005A (en) * | 2015-01-01 | 2017-09-26 | 哈曼贝克自动系统股份有限公司 | Strengthen the auxiliary equipment of the machine onboard system by adding interface and computing capability |
| CN107211005B (en) * | 2015-01-01 | 2020-11-03 | 哈曼贝克自动系统股份有限公司 | Auxiliary equipment to enhance native on-board systems by adding interfaces and computing power |
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