CN201260178Y - Reception card and mobile device implemented based on mobile memory card - Google Patents
Reception card and mobile device implemented based on mobile memory card Download PDFInfo
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- CN201260178Y CN201260178Y CNU2008201228496U CN200820122849U CN201260178Y CN 201260178 Y CN201260178 Y CN 201260178Y CN U2008201228496 U CNU2008201228496 U CN U2008201228496U CN 200820122849 U CN200820122849 U CN 200820122849U CN 201260178 Y CN201260178 Y CN 201260178Y
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- 238000010586 diagram Methods 0.000 description 7
- 238000006243 chemical reaction Methods 0.000 description 4
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- 230000002093 peripheral effect Effects 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model discloses a reception card and mobile equipment, which is realized by a mobile memory card. The reception card comprises a mobile memory card body, a multimedia broadcasting reception unit arranged in the mobile memory card body, and a radio-frequency pin additionally arranged on the mobile memory card body, wherein the radio-frequency pin is used for transmitting mobile multimedia broadcasting radio-frequency signals from an antenna to the multimedia broadcasting reception unit; the multimedia broadcasting reception unit is used for transforming the processed radio-frequency signals to audio frequency and radio frequency streams meeting a set interface protocol, and the audio frequency and radio frequency streams are output from a standard pin by the mobile memory card body. The technical scheme disclosed by the utility model enables the mobile memory card to become the reception card supporting the function of multimedia broadcasting reception, and therefore, the mobile equipment applying the mobile memory card can conveniently realize the support of the function of mobile multimedia broadcasting reception.
Description
Technical Field
The utility model relates to an electronic technology especially relates to a remove multimedia broadcast receiving card and use mobile device of this receiving card based on mobile memory card realizes.
Background
Current removable Memory cards include SD (Secure Digital Memory Card), Mini SD (Mini Secure data Memory Card), Micro SD (Micro Secure data Memory Card), and other SD series cards. Among them, the SD card is a new generation memory device based on a semiconductor flash memory, which has a high memory capacity, a fast data transfer rate, a great mobility flexibility, and a good security, and does not require an additional power supply to maintain information stored thereon. mini SD and Micro SD are relative to standard SD cards, are designed by adopting SD framework, and have small volume and good compatibility compared with the standard SD cards. In addition, the removable memory card also includes a CF card, an SM card, an xD card, an MMC (multimedia card), etc., which are not described one by one herein.
The removable memory card is widely used in various portable mobile devices, such as multimedia players (e.g., MP3, MP4, etc.), digital video cameras, digital cameras, mobile phones, Personal Digital Assistants (PDAs), GPS navigation devices, car multimedia systems, headsets with control functions, headsets with bluetooth functions, etc., and can also be used in notebook computers. Therefore, the application field of the mobile memory card is wider.
The China Mobile Multimedia Broadcasting technology alliance, abbreviated as China Mobile Multimedia Broadcasting (CMMB), is a technical system serving China Mobile Multimedia Broadcasting and aims to develop Multimedia receiving technology and equipment suitable for Mobile applications. In addition, there are other mobile multimedia broadcast standards.
In order to be able to receive these mobile multimedia broadcast signals (e.g., CMMB signals), corresponding multimedia broadcast receiving units need to be configured. The operation principle of the multimedia broadcast receiving unit is roughly as follows: amplifying and filtering a received radio frequency signal, converting the radio frequency signal into a baseband signal, if the baseband signal is an analog signal, performing analog/digital conversion on the baseband signal to obtain a digital signal, if the baseband signal is a digital signal, performing channel synchronization processing on the digital signal without conversion, detecting and extracting a mobile multimedia broadcast (such as a CMMB signal) signal in the digital signal, and demodulating the extracted mobile multimedia broadcast signal (such as the CMMB signal) to obtain mobile multimedia broadcast audio/video stream (such as CMMB audio/video stream) meeting a corresponding standard (such as a CMMB standard).
In order to enable the mobile device to receive these mobile multimedia broadcast signals, a mobile device manufacturer needs to set corresponding software and hardware technical support in the mobile device, including the above multimedia broadcast receiving unit, which undoubtedly brings about the problems of increasing the development period of the receiving terminal, increasing the investment, and the like. Due to the advantages of the mobile memory card and the wide application field of the mobile memory card, if the multimedia broadcast receiving unit is arranged in the mobile memory card, the portable mobile equipment using the mobile memory card can conveniently receive the mobile multimedia broadcast digital television signals.
SUMMERY OF THE UTILITY MODEL
In view of this, the present invention provides a receiving card implemented based on a mobile storage card on one hand, and provides two kinds of mobile devices on the other hand, so as to conveniently support the receiving function of mobile multimedia broadcasting.
The utility model provides a receive card based on mobile memory card realizes, include: a mobile memory card body, a multimedia broadcast receiving unit arranged in the mobile memory card body and a radio frequency pin additionally arranged on the mobile memory card body, wherein,
the radio frequency pin is used for transmitting mobile multimedia broadcast radio frequency signals from an antenna to the multimedia broadcast receiving unit;
the multimedia broadcast receiving unit is used for processing the radio frequency signal to obtain audio and video streams which accord with a set interface protocol and outputting the audio and video streams through a standard pin of the mobile memory card body.
Preferably, the multimedia broadcast receiving unit includes: the system comprises a radio frequency signal receiving and converting subunit and a multimedia broadcast signal receiving subunit; wherein,
the radio frequency signal receiving and converting subunit is used for amplifying and filtering the radio frequency signal transmitted by the radio frequency pin and converting the radio frequency signal into a baseband signal;
the multimedia broadcast signal receiving subunit is used for processing the received baseband signal to obtain audio and video streams which accord with the mobile multimedia broadcast standard, converting the audio and video streams into audio and video streams which accord with a set interface protocol and outputting the audio and video streams through a standard pin of the mobile memory card body.
Preferably, the receiving card further comprises: and an auxiliary power supply pin and an auxiliary grounding pin are additionally arranged on the mobile memory card body and are used for respectively accessing auxiliary power supply and grounding protection for the multimedia broadcast receiving unit.
Preferably, the radio frequency pin, the auxiliary power pin and the auxiliary ground pin are disposed on a lower surface or a side surface or an upper surface of the removable memory card body.
Preferably, the removable memory card body is: the secure data storage card SD body, the Mini secure data storage card Mini SD body or the Micro secure data storage card Micro SD body.
Preferably, the setting interface is an SDIO interface, a serial peripheral interface SPI, or a mobile multimedia interface MMIS.
Preferably, the receiving card further comprises: the memory unit of the memory card is removed.
Preferably, the receiving card includes: and the receiving card supports the receiving function of China Mobile Multimedia Broadcasting (CMMB).
The utility model provides a mobile device, include: the mobile multimedia broadcast receiving card comprises a mobile storage card body, a multimedia broadcast receiving unit arranged in the mobile storage card body and a radio frequency pin additionally arranged on the mobile storage card body, wherein,
the radio frequency pin is used for transmitting mobile multimedia broadcast radio frequency signals from an antenna to the multimedia broadcast receiving unit;
the multimedia broadcast receiving unit is used for processing the radio frequency signal to obtain audio and video streams which accord with a set interface protocol and outputting the audio and video streams through a standard pin of the mobile memory card body;
the card seat comprises a first contact piece connected with a standard pin of the mobile storage card body;
the first interface unit is used for receiving the audio and video stream from the multimedia broadcast receiving unit through the connection of the first contact element and the standard pin of the mobile memory card body, and converting the audio and video stream into the audio and video stream supported by the protocol of the first interface unit.
Preferably, the socket further includes a second contact connected to the rf pin, and the mobile device further includes: the second interface unit transmits the mobile multimedia broadcast radio frequency signal from the antenna to the multimedia broadcast receiving unit through the connection between the second contact element and the radio frequency pin.
Preferably, the second interface unit further includes: and the radio frequency matching unit is used for performing impedance matching on the mobile multimedia broadcast radio frequency signal received by the antenna and outputting the mobile multimedia broadcast radio frequency signal to the second contact piece connected with the radio frequency pin.
Preferably, the mobile multimedia broadcast receiving card further comprises: an auxiliary power supply pin and an auxiliary grounding pin are additionally arranged on the mobile memory card body and are used for respectively connecting auxiliary power supply and grounding protection for the mobile television receiving unit;
the card socket further comprises a third contact element respectively connected with the auxiliary power supply pin and the auxiliary grounding pin, and the mobile equipment respectively provides auxiliary power supply and grounding protection for the multimedia broadcast receiving unit through the connection of the third contact element and the auxiliary power supply pin and the auxiliary grounding pin.
Preferably, the mobile device further comprises: and the mobile multimedia broadcast receiving card is arranged on the card seat.
Preferably, the mobile memory card body of the mobile multimedia broadcast receiving card is: the secure data storage card SD body, the Mini secure data storage card Mini SD body or the Micro secure data storage card Micro SD body.
Preferably, the mobile device comprises: and the mobile equipment supports the China Mobile Multimedia Broadcasting (CMMB) receiving function.
The utility model provides a second kind of mobile device, include: a mobile multimedia broadcast receiving card and a first interface unit, wherein the mobile multimedia broadcast receiving card comprises a mobile memory card body, a multimedia broadcast receiving unit arranged in the mobile memory card body and a radio frequency pin additionally arranged on the mobile memory card body, wherein,
the radio frequency pin is used for transmitting mobile multimedia broadcast radio frequency signals from an antenna to the multimedia broadcast receiving unit;
the multimedia broadcast receiving unit is used for processing the radio frequency signal to obtain audio and video streams which accord with a set interface protocol and outputting the audio and video streams through a standard pin of the mobile memory card body;
the first interface unit is used for receiving the audio and video stream from the multimedia broadcast receiving unit and converting the audio and video stream into the audio and video stream supported by the self protocol.
According to the above technical scheme, the utility model discloses in through add the radio frequency pin on the mobile storage card body to built-in multimedia broadcast receiving element in the mobile storage card, make the mobile storage card become a receiving card that supports removal multimedia broadcast receiving function. Furthermore, through using the utility model discloses set up corresponding cassette and interface unit in the mobile device of receiving card, make the user only need just as using the mobile storage card at ordinary times, insert the receiving card in the mobile device, alright conveniently realize the support to removing multimedia broadcast receiving function, receive and remove multimedia broadcast digital television signal.
Drawings
Fig. 1 is an exemplary structure diagram of a mobile multimedia broadcast receiving card according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of an internal structure of a multimedia broadcast receiving unit in the receiving card shown in FIG. 1;
FIG. 3 is a schematic diagram of an internal structure of a multimedia broadcast signal receiving subunit in the multimedia broadcast receiving unit shown in FIG. 2;
fig. 4 is an exemplary structure diagram of a mobile device in an embodiment of the present invention.
Detailed Description
In the embodiment of the present invention, in order to set the mobile memory card as a mobile multimedia broadcast receiving card supporting a mobile multimedia broadcast receiving function, it is considered to set a multimedia broadcast receiving unit in the mobile memory card; in addition, because to removing multimedia broadcast receiving system, need external antenna to connect with the removal multimedia broadcast radio frequency signal in receiving space, and because do not have spare pin to be used for Radio Frequency (RF) signal input in the present mobile memory card, consequently the embodiment of the utility model provides an in need add the radio frequency pin in removing the memory card to realize removing multimedia broadcast radio frequency signal's receipt.
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be further described in detail with reference to the following embodiments and accompanying drawings.
The current removable memory card generally comprises a removable memory card body and a storage unit. The mobile memory card body refers to physical structures such as a shell, an interface and pins of the mobile memory card.
In the mobile memory card, the Micro SD in the SD series card has a small volume and good compatibility, so that more and more mobile devices select the Micro SD card as a carrier of the product. Therefore, the embodiment of the present invention is described by taking the Micro SD card as an example, and other cards in the removable memory card can be implemented by referring to the embodiment taking the Micro SD card as an example.
Fig. 1 is an exemplary structure diagram of a mobile multimedia broadcast receiving card according to an embodiment of the present invention. As shown in the solid line portion in fig. 1, the receiving card includes: the Micro SD card comprises a Micro SD body 100, a multimedia broadcast receiving unit 110 installed in the Micro SD body 100 and a radio frequency pin 120 additionally arranged on the Micro SD body 100. Of these, only elements related to supporting the mobile multimedia broadcast reception function are shown in fig. 1. In a specific implementation, the mobile multimedia broadcast receiving card may also include other units in the Micro SD card, such as a storage unit, or may not include other units in the Micro SD card, such as a storage unit. The mobile multimedia broadcast receiving unit installed in the Micro SD body 100 may be installed in the Micro SD body 100 in a freely pluggable manner, or may be fixedly installed in the Micro SD body 100.
The rf pin 120 is used for transmitting a mobile multimedia broadcast rf signal (e.g., a CMMB rf signal) from an antenna to a multimedia broadcast receiving unit. The antenna may be an antenna provided on the receiving card, or may be an antenna that is already provided in the mobile device itself to which the receiving card is applied. The arrangement of the antenna is conventional for those skilled in the art and will not be described in detail herein.
The multimedia broadcast receiving unit 110 is configured to process the radio frequency signal to obtain a mobile multimedia broadcast audio/video stream (e.g., a CMMB audio/video stream) meeting a mobile multimedia broadcast standard (e.g., a CMMB standard), and convert the mobile multimedia broadcast audio/video stream meeting the mobile multimedia broadcast standard into a mobile multimedia broadcast audio/video stream meeting a set interface protocol to be output through a standard pin of the Micro SD body 100. The standard pin referred to herein refers to a physical pin of the Micro SD card itself, and the interface type corresponding to the physical pin is not limited to SPI, SDIO, or other types.
For the removable memory card (including Micro SD), the set interface protocol is usually SDIO protocol or SPI (serial peripheral interface) protocol or MMIS (mobile multimedia interface protocol).
Further, since the mobile multimedia broadcast receiving system has the characteristics of large power supply current, high requirement on power common ground, and the like, and the current Micro SD card has only 2 power supply pins, i.e. one power supply pin and one ground connection pin, which may not well meet the requirement of the mobile multimedia broadcast receiving system on power supply, in this embodiment, as shown in a dotted line in fig. 1, an auxiliary power supply pin 130 and an auxiliary ground connection pin 140 are additionally provided on the Micro SD body, for respectively connecting the multimedia broadcast receiving unit with auxiliary power supply and ground protection.
The added rf pin 120, the auxiliary power pin 130, and the auxiliary ground pin 140 may be disposed at any position of the Micro SD card, for example, may be disposed on a lower surface of the Micro SD card, that is, on the same surface as the original standard pins, or may also be disposed on a side surface or an upper surface of the Micro SD card. In addition, the number and definition of the auxiliary pins added to the Micro SD card may be different for different application environments.
In a specific implementation, the internal structure of the multimedia broadcast receiving unit 110 may have a plurality of implementation forms, one of which is shown in fig. 2, and as shown in fig. 2, fig. 2 is a schematic diagram of an internal structure of the multimedia broadcast receiving unit, which includes: a radio frequency signal receiving and converting subunit 111 and a multimedia broadcast signal receiving subunit 112.
The rf signal receiving and converting subunit 111 is configured to amplify and filter the rf signal transmitted through the rf pin 120, and convert the rf signal into a baseband signal.
The multimedia broadcast signal receiving subunit 112 is configured to process the received baseband signal to obtain a mobile multimedia broadcast audio/video stream meeting a mobile multimedia broadcast standard, and convert the mobile multimedia broadcast audio/video stream into a mobile multimedia broadcast audio/video stream meeting a set interface protocol, and output the mobile multimedia broadcast audio/video stream through a standard pin of the Micro SD body 100.
In particular, the multimedia broadcast signal receiving subunit 112 may also have various embodiments. For example, if the baseband signal converted by the rf signal receiving and converting subunit 111 is a digital baseband signal, as shown in the solid line part in fig. 3, the multimedia broadcast signal receiving subunit 112 may include: the device comprises a channel synchronization module, a demodulation module and a protocol conversion module.
The signal synchronization module is used for receiving the digital baseband signal, detecting and extracting the mobile multimedia broadcast signal.
The demodulation module is used for demodulating the extracted mobile multimedia broadcast signals to obtain mobile multimedia broadcast audio/video streams which accord with the mobile multimedia broadcast standard.
The protocol conversion module is used for converting the mobile multimedia broadcast audio/video stream which accords with the mobile multimedia broadcast standard into the mobile multimedia broadcast audio/video stream which accords with the set interface protocol.
If the rf signal receiving and converting subunit 111 outputs an analog baseband signal, the multimedia broadcast signal receiving subunit may further include an analog/digital converting module, as shown by a dotted line in fig. 3, for converting the received analog baseband signal into a digital baseband signal and sending the digital baseband signal to the signal synchronizing module.
Currently, the mobile device mainly supports the SDIO protocol and has an SDIO interface. Therefore, it is right the utility model discloses the removal multimedia broadcast audio and video stream of removal multimedia broadcast receiving card output, what the removal multimedia broadcast receiving card adopted is that other when being different from SDIO's such as MMIS agreement or SPI agreement other protocols, needs the mobile device to convert the removal multimedia broadcast audio and video stream that received into and accord with self protocol requirement. In addition, in order to connect with the added rf pin of the mobile multimedia broadcast receiving card or the additional power pin and the additional ground pin, a contact (e.g., a copper spring plate) is required to be installed at a corresponding position in the mobile device to connect with each of the added pins.
In order to achieve the above object, the present invention provides a mobile device as shown in fig. 4, where fig. 4 is an exemplary structural diagram of the mobile device in the embodiment of the present invention. The method comprises the following steps: a mobile multimedia broadcast receiving card 10, a card holder 20 for mounting the mobile multimedia broadcast receiving card 10, an antenna 30, a first interface unit 40, and a second interface unit 50 shown in fig. 1.
The card socket 20 includes a second contact 22 connected to a radio frequency pin 120 of the receiving card, and the second interface unit 50 transmits the mobile multimedia broadcast radio frequency signal from the antenna 30 of the mobile device to the multimedia broadcast receiving unit 110 of the receiving card 10 through the connection between the second contact 22 and the radio frequency pin 120.
The multimedia broadcast receiving unit 110 is configured to process the radio frequency signal to obtain a mobile multimedia broadcast audio/video stream meeting a mobile multimedia broadcast standard, and convert the mobile multimedia broadcast audio/video stream meeting the mobile multimedia broadcast standard into a mobile multimedia broadcast audio/video stream meeting a set interface protocol, and output the mobile multimedia broadcast audio/video stream through a standard pin of the Micro SD body 100 in the receiving card.
The card socket 20 further includes a first contact 21 connected to a standard pin of the Micro SD body 100 in the receiving card 10, and through connection between the first contact 21 and the standard pin of the Micro SD body 100 in the receiving card, the first interface unit 40 receives the mobile multimedia broadcast audio/video stream from the multimedia broadcast receiving unit 110 in the receiving card 10, and converts the mobile multimedia broadcast audio/video stream into a mobile multimedia broadcast audio/video stream supported by its own protocol.
Further, since the impedance of the mobile multimedia broadcast radio frequency signal received from the antenna 30 is usually not consistent with the radio frequency signal impedance supported by the receiving card 10, the second interface unit 40 may further include: and a radio frequency matching unit, configured to perform impedance matching on the mobile multimedia broadcast radio frequency signal received by the antenna 30, and output the radio frequency signal to the second contact 22 connected to the radio frequency pin 120 in the receiving card 10.
In addition, when the mobile multimedia broadcast receiving card includes the additional auxiliary power pin 130 and the additional auxiliary ground pin 140, the card socket 20 further includes a third contact 23 respectively connected to the additional auxiliary power pin 130 and the additional auxiliary ground pin 140 of the receiving card, and the mobile device respectively provides the auxiliary power supply and ground protection for the multimedia broadcast receiving unit 110 through the connection between the third contact 23 and the additional auxiliary power pin 130 and the additional auxiliary ground pin 140.
Wherein, for the condition that the mobile multimedia broadcast receiving card is provided with an antenna, the mobile device in the embodiment of the present invention may not include the second interface unit 50.
In addition, in the specific implementation, the mobile multimedia broadcast receiving card 10 may also be fixed in the mobile device, and in this case, the card socket 20 for installing the mobile multimedia broadcast receiving card 10 does not need to be arranged in the mobile device.
The aforesaid is right as the example with Micro SD card the utility model provides a technical scheme has carried out detailed description, can refer to the above-mentioned embodiment based on Micro SD card realization to the realization based on SD card, Mini SD card, CF card, SM card, xD card and MMC card etc. in other mobile memory cards, and no longer repeated here.
The above-mentioned embodiments, further detailed description of the objects, technical solutions and advantages of the present invention, it should be understood that the above-mentioned are only preferred embodiments of the present invention, and are not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (16)
1. A receiving card implemented based on a removable memory card, the receiving card comprising: a mobile memory card body, a multimedia broadcast receiving unit arranged in the mobile memory card body and a radio frequency pin additionally arranged on the mobile memory card body, wherein,
the radio frequency pin is used for transmitting mobile multimedia broadcast radio frequency signals from an antenna to the multimedia broadcast receiving unit;
the multimedia broadcast receiving unit is used for processing the radio frequency signal to obtain audio and video streams which accord with a set interface protocol and outputting the audio and video streams through a standard pin of the mobile memory card body.
2. A receiving card as claimed in claim 1, wherein the multimedia broadcast receiving unit comprises: the system comprises a radio frequency signal receiving and converting subunit and a multimedia broadcast signal receiving subunit; wherein,
the radio frequency signal receiving and converting subunit is used for amplifying and filtering the radio frequency signal transmitted by the radio frequency pin and converting the radio frequency signal into a baseband signal;
the multimedia broadcast signal receiving subunit is used for processing the received baseband signal to obtain audio and video streams which accord with the mobile multimedia broadcast standard, converting the audio and video streams into audio and video streams which accord with a set interface protocol and outputting the audio and video streams through a standard pin of the mobile memory card body.
3. A receiving card as recited in claim 1, wherein the receiving card further comprises: and an auxiliary power supply pin and an auxiliary grounding pin are additionally arranged on the mobile memory card body and are used for respectively accessing auxiliary power supply and grounding protection for the multimedia broadcast receiving unit.
4. A receiving card as claimed in claim 3, wherein the radio frequency pin, the auxiliary power pin and the auxiliary ground pin are provided on a lower surface or a side surface or an upper surface of the removable memory card body.
5. The receiving card according to any one of claims 1 to 4, wherein the removable memory card body is: the secure data storage card SD body, the Mini secure data storage card Mini SD body or the Micro secure data storage card Micro SD body.
6. A receiving card according to claim 5, wherein the setting interface is SDIO interface or SPI or MMIS.
7. A receiving card as claimed in any one of claims 1 to 4, further comprising: the memory unit of the memory card is removed.
8. A receiving card according to any one of claims 1 to 4, characterized in that the receiving card comprises: and the receiving card supports the receiving function of China Mobile Multimedia Broadcasting (CMMB).
9. A mobile device, characterized in that the mobile device comprises: the mobile multimedia broadcast receiving card comprises a mobile storage card body, a multimedia broadcast receiving unit arranged in the mobile storage card body and a radio frequency pin additionally arranged on the mobile storage card body, wherein,
the radio frequency pin is used for transmitting mobile multimedia broadcast radio frequency signals from an antenna to the multimedia broadcast receiving unit;
the multimedia broadcast receiving unit is used for processing the radio frequency signal to obtain audio and video streams which accord with a set interface protocol and outputting the audio and video streams through a standard pin of the mobile memory card body;
the card seat comprises a first contact piece connected with a standard pin of the mobile storage card body;
the first interface unit is used for receiving the audio and video stream from the multimedia broadcast receiving unit through the connection of the first contact element and the standard pin of the mobile memory card body, and converting the audio and video stream into the audio and video stream supported by the protocol of the first interface unit.
10. The mobile device of claim 9, wherein the socket further comprises a second contact coupled to the radio frequency pin, the mobile device further comprising: the second interface unit transmits the mobile multimedia broadcast radio frequency signal from the antenna to the multimedia broadcast receiving unit through the connection between the second contact element and the radio frequency pin.
11. The mobile device of claim 10, wherein the second interface unit further comprises: and the radio frequency matching unit is used for performing impedance matching on the mobile multimedia broadcast radio frequency signal received by the antenna and outputting the mobile multimedia broadcast radio frequency signal to the second contact piece connected with the radio frequency pin.
12. The mobile device of claim 11, wherein the mobile multimedia broadcast receiving card further comprises: an auxiliary power supply pin and an auxiliary grounding pin are additionally arranged on the mobile memory card body and are used for respectively connecting auxiliary power supply and grounding protection for the mobile television receiving unit;
the card socket further comprises a third contact element respectively connected with the auxiliary power supply pin and the auxiliary grounding pin, and the mobile equipment respectively provides auxiliary power supply and grounding protection for the multimedia broadcast receiving unit through the connection of the third contact element and the auxiliary power supply pin and the auxiliary grounding pin.
13. The mobile device of any of claims 9 to 12, wherein the mobile device further comprises: and the mobile multimedia broadcast receiving card is arranged on the card seat.
14. The mobile device as claimed in claim 13, wherein the mobile memory card body of the mobile multimedia broadcast receiving card is: the secure data storage card SD body, the Mini secure data storage card Mini SD body or the Micro secure data storage card Micro SD body.
15. The mobile device of any of claims 9 to 12, wherein the mobile device comprises: and the mobile equipment supports the China Mobile Multimedia Broadcasting (CMMB) receiving function.
16. A mobile device, characterized in that the mobile device comprises: a mobile multimedia broadcast receiving card and a first interface unit, wherein the mobile multimedia broadcast receiving card comprises a mobile memory card body, a multimedia broadcast receiving unit arranged in the mobile memory card body and a radio frequency pin additionally arranged on the mobile memory card body, wherein,
the radio frequency pin is used for transmitting mobile multimedia broadcast radio frequency signals from an antenna to the multimedia broadcast receiving unit;
the multimedia broadcast receiving unit is used for processing the radio frequency signal to obtain audio and video streams which accord with a set interface protocol and outputting the audio and video streams through a standard pin of the mobile memory card body;
the first interface unit is used for receiving the audio and video stream from the multimedia broadcast receiving unit and converting the audio and video stream into the audio and video stream supported by the self protocol.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201228496U CN201260178Y (en) | 2008-10-07 | 2008-10-07 | Reception card and mobile device implemented based on mobile memory card |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201228496U CN201260178Y (en) | 2008-10-07 | 2008-10-07 | Reception card and mobile device implemented based on mobile memory card |
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| Publication Number | Publication Date |
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| CN201260178Y true CN201260178Y (en) | 2009-06-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNU2008201228496U Expired - Fee Related CN201260178Y (en) | 2008-10-07 | 2008-10-07 | Reception card and mobile device implemented based on mobile memory card |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102593667A (en) * | 2011-01-05 | 2012-07-18 | 付建云 | MicroSD cassette with radio frequency signal amplifying circuit |
| CN105645212A (en) * | 2016-03-25 | 2016-06-08 | 江苏威尔曼科技有限公司 | Elevator emergency system |
-
2008
- 2008-10-07 CN CNU2008201228496U patent/CN201260178Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102593667A (en) * | 2011-01-05 | 2012-07-18 | 付建云 | MicroSD cassette with radio frequency signal amplifying circuit |
| CN105645212A (en) * | 2016-03-25 | 2016-06-08 | 江苏威尔曼科技有限公司 | Elevator emergency system |
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Granted publication date: 20090617 Termination date: 20171007 |