CN212211245U

CN212211245U - Digital television descrambling device with charging function

Info

Publication number: CN212211245U
Application number: CN202020722013.0U
Authority: CN
Inventors: 张鹏
Original assignee: Shenzhen Coship Electronics Co Ltd
Current assignee: Zhuhai Tongzhou Hongxing Smart Iot Technology Co ltd; Shenzhen Coship Electronics Co Ltd
Priority date: 2020-05-06
Filing date: 2020-05-06
Publication date: 2020-12-22
Anticipated expiration: 2030-05-06

Abstract

The utility model belongs to the technical field of digital TV, a digital TV descrambling device of function is charged in area is disclosed, include: a signal processor, the signal processor comprising: the front-end digital television signal transmits an RF radio frequency signal to the Tuner receiver, is demodulated by the Demo demodulator and then is output to the Demux descrambling module, is descrambled to be clear-streamed and form a digital differential signal, is encrypted by the encryption module for the second time, and is finally sent to the terminal equipment through a wired route or forwarded to the terminal equipment through the wireless repeater; a rechargeable battery module electrically connected to the signal processor and providing power. The mobile phone can be connected to the mobile phone through wireless wifi or wired micro usb; the rechargeable battery module can be used outdoors under the condition of not consuming the battery of the mobile phone, and can be used for independently charging terminal equipment such as the mobile phone.

Description

Digital television descrambling device with charging function

Technical Field

The utility model belongs to the technical field of the digital television, a digital television descrambling device of function is charged in area is related to.

Background

In the prior art, digital television descrambling is realized through a digital television set-top box, as shown in fig. 1, a front-end digital television signal transmits a radio frequency signal (RF) to the set-top box through a wireless antenna, and is output to a set-top box main chip for descrambling after tuner receiving and demo demodulating, and the disadvantages include: 1. because an operating system linux, an android or a TVOS needs to be operated, a large-capacity storage Flash, such as 8Gbyte, is needed; 2. since video decoding is required, a large-capacity buffer DDR, e.g., 1 Gbyte; 3. and various output interfaces are more, so that the set top box is large in size and high in cost. The technology is only suitable for the environment with an alternating current power supply such as household use and is not beneficial to being used in the field or other special places.

Disclosure of Invention

The utility model aims to provide a digital television descrambling device with charging function, which does not need to operate an operating system, saves the DDR and Flash cost and is convenient for the wide-range popularization of the broadcasting and television system; the volume is made into a Dongle miniaturization, so that the carrying and the use are convenient; the mobile phone can be connected to the mobile phone through wireless wifi or wired micro usb; the mobile phone charger has the function of a rechargeable battery, can meet outdoor use without consuming a mobile phone battery, and can also charge terminal equipment such as a mobile phone and the like independently; in order to achieve the above purpose, the utility model adopts the following technical scheme:

a digital television descrambling device with charging function comprises:

a signal processor, the signal processor comprising: the system comprises a Tuner receiver, a Demo demodulator, a Demux descrambler, a network encryption module and a wireless repeater, wherein a front-end digital television signal transmits an RF (radio frequency) radio frequency signal to the Tuner receiver, the RF radio frequency signal is demodulated by the Demo demodulator and then output to the Demux descrambling module, the Demux descrambling module is descrambled to be clear-flowing and form a digital differential signal, the secondary network encryption is carried out by the encryption module, and finally the digital differential signal is sent to a terminal device through a wired route or is forwarded to the terminal device through the wireless repeater;

a rechargeable battery module electrically connected to the signal processor and providing power.

Furthermore, the rechargeable battery module is detachable and is provided with a charging interface for charging external terminal equipment, and the rechargeable battery module adopts a lithium battery.

Further, the terminal device is one or more of a mobile phone, a PAD, a television and a PC.

Furthermore, the terminal equipment is provided with a network decryption module, and data reading and playing are performed after decryption.

Further, the RF radio frequency signal is transmitted through a coaxial cable or a wireless broadcast, and the transmission path includes at least one path.

Further, the Tuner receiver and the Demo demodulator are structurally separated from each other or integrated.

Further, the Tuner receiver, the Demo demodulator, and the Demux descrambler are structurally separated from each other or integrated into one body.

Further, the digital differential signal is suitable for one or more of a USB interface, a Micro USB interface and a Type-C interface.

Further, the network encryption module adopts DRM or HDCP protocol.

Further, the Demux descrambler descrambles the digital television CA with a card or descrambles the digital television CA without a card through a chip DRM.

The utility model has the advantages that:

the utility model discloses a digital television descrambling device of function of charging in area, include: a signal processor, the signal processor comprising: the system comprises a Tuner receiver, a Demo demodulator, a Demux descrambler, an encryption module and a wireless repeater, wherein RF radio frequency signals are received by a front-end digital television signal into the Tuner receiver, demodulated by the Demo demodulator and output to the Demux descrambling module, descrambled to be clear-flow and form digital differential signals, encrypted by the encryption module for secondary network, and finally sent to terminal equipment through a wired route or forwarded to the terminal equipment through the wireless repeater; a rechargeable battery module electrically connected to the signal processor and providing power. The mobile phone can be connected to the mobile phone through wireless wifi or wired Micro usb; the rechargeable battery module can be used outdoors under the condition of not consuming the battery of the mobile phone, and can be used for independently charging terminal equipment such as the mobile phone.

Drawings

FIG. 1 is a schematic diagram of a first prior art;

fig. 2 is a schematic diagram of a digital television descrambling device with a charging function.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly, e.g., as fixed or detachable connections or as an integral part; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Referring to fig. 2, a digital television descrambling device with charging function comprises:

a signal processor, the signal processor comprising: the system comprises a Tuner receiver, a Demo demodulator, a Demux descrambler, an encryption module and a wireless repeater, wherein a front-end digital television signal transmits an RF (radio frequency) radio frequency signal to the Tuner receiver, the RF radio frequency signal is demodulated by the Demo demodulator and then output to the Demux descrambling module, the Demux descrambling module performs descrambling to perform clearing and form a digital differential signal, the secondary network encryption is performed by the encryption module, and finally the digital differential signal is sent to a terminal device through a wired route or forwarded to the terminal device through the wireless repeater;

In an embodiment, the intermediate frequency signal adopted between the Tuner receiver and the Demo demodulator realizes data transmission; the Demo demodulator and the Demux descrambler use TS signaling data (TS stream).

In an embodiment, the rechargeable battery module includes a 3000mAh lithium battery, which satisfies a 4-hour outdoor use function, and the lithium battery may be used alone, for example, the rechargeable battery may be made as a large-capacity charger, for example, a 10000mAh lithium battery, which may provide electric energy for the signal processor and may also charge a mobile phone and other terminal devices. In an embodiment, the terminal device is one or more of a mobile phone, a PAD, a television and a PC.

In the embodiment, the rechargeable battery module is detachable and is provided with a charging interface for charging external terminal equipment, the rechargeable battery module adopts a lithium battery, and the charging interface can adopt one or more of USB, Micro USB and Type-C to realize charging according to the specific Type of the terminal equipment. For example, the rechargeable battery module is provided with both a USB interface and a Type-C interface, and can be used for charging mobile phones with different interfaces, MP4 and other terminal devices. In an embodiment, the rechargeable battery module is detachable, and the advantages are that: the user can use it as a mobile power source.

In the embodiment, the terminal equipment is provided with a network decryption module, and data reading and playing are performed after decryption.

In an embodiment, the RF radio frequency signal is transmitted through a coaxial cable or a wireless broadcast, and the transmission path includes at least one path; this means that either single or multiple transmission can be used.

In an embodiment, the Tuner receiver and the Demo demodulator are structurally separate from each other or integrated into one; this shows that the Tuner receiver and the Demo demodulator can be soldered, screwed or integrated on the same circuit board, and both are integrated into one another, and the Tuner receiver and the Demo demodulator can be structurally provided separately, but only electrically connected by using a conductive material.

In an embodiment, the Tuner receiver, the Demo demodulator and the Demux descrambler are structurally separate from each other or integrated into one body. The Tuner receiver, the Demor demodulator and the Demux descrambler can be welded, connected by screw threads or integrated on the same circuit board, so that three-in-one is realized, and the Tuner receiver, the Demor demodulator and the Demux descrambler can be structurally separated; the Demux descrambler can descramble by using a 7816 digital television CA with a card, and also can descramble by using a non-card through high-level security such as chip DRM and the like.

In an embodiment, the digital differential signal is adapted to one or more of USB, Micro USB and Type-C interfaces.

In an embodiment, the network encryption module adopts DRM or HDCP protocol.

In an embodiment, the Demux descrambler descrambles with a card in a 7816 digital television CA or without a card in a chip DRM.

In the embodiment, because DDR, Flash, etc. are not needed, the utility model provides a digital television descrambling device of area function of charging both can save cost and also can reduce the volume, for example makes the form of dog.

The above-mentioned embodiments are only one of the preferred embodiments of the present invention, and the ordinary changes and substitutions performed by those skilled in the art within the technical scope of the present invention should be included in the protection scope of the present invention.

Claims

1. A digital television descrambling device with charging function, characterized by comprising:

a signal processor, the signal processor comprising: the front-end digital television signal is transmitted to the Tuner receiver through an RF radio frequency signal, is demodulated through the Demo demodulator and then is output to the Demux descrambling module, is descrambled to be clear current and form a digital differential signal, and the digital differential signal is subjected to secondary network encryption through the encryption module and finally is sent to terminal equipment through a wired route or is forwarded to the terminal equipment through the wireless repeater;

2. The descrambling device of a digital television with charging function as claimed in claim 1, wherein the rechargeable battery module is detachable and is provided with a charging interface for charging an external terminal device, and the rechargeable battery module is a lithium battery.

3. The descrambling device of a digital television with charging function as claimed in claim 1, wherein the terminal equipment is one or more of a mobile phone, a PAD, a television and a PC.

4. The descrambling device of the digital television with the charging function as claimed in claim 1 or 3, wherein the terminal equipment is provided with a network decryption module for reading and playing the data after decryption.

5. The descrambling device of claim 1, wherein the RF signal is transmitted via a coaxial cable or a wireless broadcast, and the transmission path comprises at least one path.

6. The descrambling device of a digital television with charging function as claimed in claim 1, wherein the Tuner receiver and the Demo demodulator are structurally separated from each other or integrated into one body.

7. The descrambling device of digital television with charging function as claimed in claim 1, wherein the Tuner receiver, the Demo demodulator and the Demux descrambler are structurally separated from each other or integrated into one body.

8. The descrambling device of a digital television with charging function as claimed in claim 1, wherein the digital differential signal is suitable for one or more of USB, Micro USB and Type-C interface.

9. The descrambling device of digital tv with charging function as claimed in claim 1, wherein the encryption module adopts DRM or HDCP protocol.

10. The descrambling device of a digital television with charging function as claimed in claim 1, wherein the Demux descrambler descrambles with a 7816 digital television CA card or without a chip DRM card.