CN108259978B - Wired same-screen device with wireless router - Google Patents

Wired same-screen device with wireless router Download PDF

Info

Publication number
CN108259978B
CN108259978B CN201810289259.0A CN201810289259A CN108259978B CN 108259978 B CN108259978 B CN 108259978B CN 201810289259 A CN201810289259 A CN 201810289259A CN 108259978 B CN108259978 B CN 108259978B
Authority
CN
China
Prior art keywords
interface
wired
control unit
main control
network
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201810289259.0A
Other languages
Chinese (zh)
Other versions
CN108259978A (en
Inventor
徐星星
何兵雄
黄长江
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
DONGGUAN WUXIAO INTELLIGENT SCIENCE & TECHNOLOGY CO.,LTD.
Original Assignee
Dongguan Kangmao Electronics Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Dongguan Kangmao Electronics Co ltd filed Critical Dongguan Kangmao Electronics Co ltd
Priority to CN201810289259.0A priority Critical patent/CN108259978B/en
Publication of CN108259978A publication Critical patent/CN108259978A/en
Application granted granted Critical
Publication of CN108259978B publication Critical patent/CN108259978B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/436Interfacing a local distribution network, e.g. communicating with another STB or one or more peripheral devices inside the home
    • H04N21/43615Interfacing a Home Network, e.g. for connecting the client to a plurality of peripherals
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/436Interfacing a local distribution network, e.g. communicating with another STB or one or more peripheral devices inside the home
    • H04N21/4363Adapting the video or multiplex stream to a specific local network, e.g. a IEEE 1394 or Bluetooth® network
    • H04N21/43632Adapting the video or multiplex stream to a specific local network, e.g. a IEEE 1394 or Bluetooth® network involving a wired protocol, e.g. IEEE 1394
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/436Interfacing a local distribution network, e.g. communicating with another STB or one or more peripheral devices inside the home
    • H04N21/4363Adapting the video or multiplex stream to a specific local network, e.g. a IEEE 1394 or Bluetooth® network
    • H04N21/43637Adapting the video or multiplex stream to a specific local network, e.g. a IEEE 1394 or Bluetooth® network involving a wireless protocol, e.g. Bluetooth, RF or wireless LAN [IEEE 802.11]
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W88/00Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/14Backbone network devices

Abstract

The invention discloses a wired co-screen device with a wireless router function, which comprises a main control unit, a wired network interface, a network receiver, a power interface, a storage unit, a video output interface, an audio output interface and a wireless transmission unit, wherein the wired network interface, the network receiver, the power interface, the storage unit, the video output interface, the audio output interface and the wireless transmission unit are connected with the main control unit; the wired network interface receives data transmitted by a network, transmits the received network data to the main control unit through the network receiver, and transmits the data to the WiFi module after the data is converted by the main control unit. By adopting the technical scheme, the invention overcomes the defect that the wireless WiFi transmitted by the traditional same-screen device does not have the connection with the Internet. The wired co-screen device can send wireless WiFi, provides a network for wireless terminals such as mobile phones and flat panels, can also receive video and audio data of the wireless terminals such as the mobile phones and the flat panels, displays the video and audio data on a display, and is widely applied to business conferences, teaching fields and home entertainment.

Description

Wired same-screen device with wireless router
The technical field is as follows:
the invention relates to the technical field of wireless on-screen devices, in particular to a wired on-screen device which has a router function and can transmit wireless WiFi and is provided with a wireless router.
Background art:
the traditional audio and video playing device (i.e. the av Source) and the display device (i.e. the av Sink) are all connected by wire, the connection is not an ethernet interface, earlier analog signals are transmitted through interfaces such as CVBS or VGA, the distortion is larger, later digital signals are transmitted by using techniques such as HDMI, but cable connection is always available, with the increase of household consumption audio and video devices, more and more cables are provided in the house, the wiring is inconvenient, the appearance is not beautiful, and the reliability is higher, later the HDMI organization proposes the wireless HDMI standard, but has not been realized so far, israeli companies use the analog radio frequency technology to directly modulate audio and video into radio waves, the display device receives the radio waves and demodulates the radio waves, because the digital compression technology is not adopted, the bandwidth occupation is very large, the power consumption is very large, and its high-radiation antenna array is not suitable for household, of course the greatest advantage of this technique is that the signal delay is small. With the progress of chip design and manufacturing technology, the compression and decompression of high-definition video signals can be completed within dozens of milliseconds, which lays a foundation for the wireless screen transmission technology and the appearance of wireless screen receivers.
The wireless on-screen device is a device which can transmit video, audio, pictures and other files in a mobile device to another playing device through a wireless network. In use, the on-screen transmitter output interface is connected to the device input interface to be displayed (for example, using an HDM interface). The transmitter should carry an APP itself. And inserting the on-screen displayer into the display equipment (such as a computer, a television and the like). The mobile phone setting, display and wireless display are opened, the equipment is searched, and the equipment can be connected on the same screen. The same-screen device is widely applied to families and works of people at present. However, the traditional wireless screen sharing device also has certain defects that the traditional screen sharing device does not have the networking function, the emitted AP hotspots are not networked, and a user connects the screen sharing device through a mobile phone to cause the mobile phone to disconnect the network. For example, see patent nos.: 201620232065.3, which discloses a screen sharing device, the technical proposal adopted by the screen sharing device is as follows: the method comprises the following steps: the wireless receiving unit is used for receiving the data from the main control unit, the data processing unit is used for processing the data, the data output unit is used for outputting the data, and the serial port control unit is used for controlling the output equipment. The technical scheme is a basic technology of the same-screen device, and does not solve the problem that the same-screen device cannot be networked. In addition, see patent application nos.: 201610077632.7, which discloses a method and a terminal for the same screen. The technical scheme also does not solve the problem that the same-screen device cannot be networked.
The invention content is as follows:
the invention aims to overcome the defects of the prior art and provides a wired screen sharing device with a wireless router, wherein the screen sharing device also has the function of the wireless router.
In order to solve the technical problems, the invention adopts the following technical scheme: a wired screen sharing device with a wireless router comprises a main control unit, a wired network interface, a network receiver, a power interface, a storage unit, a video output interface, an audio output interface and a wireless transmission unit, wherein the wired network interface, the network receiver, the power interface, the storage unit, the video output interface, the audio output interface and the wireless transmission unit are connected with the main control unit; the wired network interface receives the data transmitted by the network, transmits the received network data to the main control unit through the network receiver, and transmits the data to the wireless transmission unit after the data is converted by the main control unit.
Further, in the above technical solution, the power interface adopts a 5V/2A Micro USB type interface, and supplies power to the main control unit through the power interface.
Further, in the above technical solution, the wired network interface adopts an RJ45 interface, and the RJ45 interface is connected to the main control unit through a network receiver.
Further, in the above technical solution, the video output interface adopts any one or a combination of the following interfaces: HDMI interface, VGA interface.
Further, in the above technical solution, the audio output interface is an earphone interface.
Furthermore, in the above technical solution, the on-screen device is further provided with a key, and the key is connected with the main control unit.
Further, in the above technical solution, the storage unit includes a DDR for storing data when the program runs and a flash for storing a code.
Further, in the foregoing technical solution, the main control unit includes a video decoding unit and an audio decoding unit.
Further, in the above technical solution, the CPU includes a video decoding unit and an audio decoding unit, the video decoding unit receives video data, performs video decoding, and then sends the video data to the HDMI/VGA interface output signal, and the audio decoding unit receives audio data, performs audio decoding, and then sends the audio data to the audio output interface output signal.
The invention can be applied to mobile terminal equipment such as mobile phones, flat panels and the like, not only has the function of the existing same screen device, but also has the function of wireless routing.
Description of the drawings:
FIG. 1 is a circuit configuration diagram of the same screen device of the present invention
The specific implementation mode is as follows:
the embodiments of the present invention will be further described with reference to the following detailed description and accompanying drawings.
As shown in fig. 1, the present invention is a wired co-screen device with a wireless router, the co-screen device comprising: the main control unit 10, the wired network interface 11, the network receiver 12, the power interface 21, the storage unit, the video output interface 61, the audio output interface 71 and the wireless transmission unit. The wired network interface 11 receives data transmitted by a network, transmits the received data to the main control unit 10 through the network receiver 12, and transmits the data to the WiFi module 81 in the wireless transmission unit after being converted by the main control unit 10, and the WiFi module 81 further has a WiFi antenna 82. The main control unit 10 of the present invention adopts a CPU with model number RK 3036.
Specifically, the power interface 21 is a 5V/2A Micro USB type interface, and the power is supplied to the main control unit 10 through the power interface 21.
The wired network interface 11 adopts an RJ45 interface, and the RJ45 interface 11 is connected with the main control unit 10 through a network receiver 12.
The video output interface 61 adopts any one or a combination of the following interfaces: HDMI interface, VGA interface.
The audio output interface 61 is a headphone interface.
The on-screen device is also provided with a key 51, and the key 51 is connected with the main control unit 10.
The memory unit includes a DDR 41 for storing data and a flash 31 for storing code when the program is run.
The main control unit 10 includes a video decoding unit and an audio decoding unit.
The principle of the invention is as follows: the RJ45 network port interface is through the net twine, and network data receives via network receiver 12, sends to wiFi module 81 after main control unit 10 conversion, and the IP address is unified management and distribution by wiFi module 81 to wireless wiFi signal is launched by wiFi antenna 82 of wiFi module 81. After mobile terminal equipment such as a mobile phone, a tablet and the like is connected with the WiFi signal, the mobile terminal equipment not only can be connected with the Internet and use a same-screen device as a router, but also can project a mobile terminal screen onto a display; the HDMI/VGA interface 61 can select which interface is used as an output interface to be connected to a display according to actual conditions; the audio output interface 71 can be connected with an external earphone to listen to the audio information sent by the main control unit 10; the key 51 is a physical key, a short press is used for switching a 2.4G/5.8G signal mode of the WiFi module 81, and a long press is used for restoring factory settings; the DDR 41 is used for storing data when a program runs; the flash 31 is used for storing codes; after the data processing of the CPU 10, the WiFi module 81 sends a WiFi signal through the WiFi antenna 82, and the mobile terminal can connect the WiFi signal and project the content of the mobile terminal to the display through the HDMI/VGA interface 61 of the same screen device. After the same screen device is plugged with a network cable, the WiFi signal sent by the WiFi module 81 has a network access function, which is equivalent to a wireless router.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the technical scope of the present invention, and those skilled in the art may make modifications and variations within the spirit of the present invention, and all modifications, equivalents and modifications of the above embodiments according to the technical spirit of the present invention are within the scope of the present invention.

Claims (8)

1. A wired screen sharing device with a wireless router comprises a main control unit (10), and is characterized in that the screen sharing device further comprises a wired network interface (11) connected with the main control unit (10), a network receiver (12), a power interface (21), a storage unit, a video output interface (61), an audio output interface (71) and a wireless transmission unit;
the wired network interface (11) receives data transmitted by a network, the received network data are transmitted to the main control unit (10) through the network receiver (12), the data are transmitted to the WiFi module (81) in the wireless transmission unit after being converted by the main control unit (10), IP addresses are uniformly managed and allocated by the WiFi module (81), wireless WiFi signals are transmitted by the WiFi antenna (82) of the WiFi module (81), the mobile terminal equipment is connected with the Internet by connecting the WiFi signals, the same screen is used as a router, and the screen of the mobile equipment is projected onto the display through the video output structure (61).
2. The wired co-screen device with the wireless router according to claim 1, wherein: the power interface (21) adopts a 5V/2A Micro USB type interface, and power is supplied to the main control unit (10) through the power interface (21).
3. The wired co-screen device with the wireless router according to claim 1, wherein: the wired network interface (11) adopts an RJ45 interface, and the RJ45 interface (11) is connected with the main control unit (10) through a network receiver (12).
4. The wired co-screen device with the wireless router according to claim 1, wherein: the video output interface (61) adopts any one or combination of the following interfaces: HDMI interface, VGA interface.
5. The wired co-screen device with the wireless router according to claim 1, wherein: the audio output interface (61) adopts an earphone interface.
6. The wired co-screen device with the wireless router according to claim 1, wherein: the on-screen device is also provided with a key (51), and the key (51) is connected with the main control unit (10).
7. The wired co-screen device with the wireless router according to claim 1, wherein: the memory unit includes a DDR (41) for storing data at a program runtime and a flash (31) for storing code.
8. The wired co-screen device with the wireless router according to any one of claims 1-7, wherein: the master control unit (10) comprises a video decoding unit and an audio decoding unit.
CN201810289259.0A 2018-04-03 2018-04-03 Wired same-screen device with wireless router Active CN108259978B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810289259.0A CN108259978B (en) 2018-04-03 2018-04-03 Wired same-screen device with wireless router

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810289259.0A CN108259978B (en) 2018-04-03 2018-04-03 Wired same-screen device with wireless router

Publications (2)

Publication Number Publication Date
CN108259978A CN108259978A (en) 2018-07-06
CN108259978B true CN108259978B (en) 2021-05-11

Family

ID=62748046

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201810289259.0A Active CN108259978B (en) 2018-04-03 2018-04-03 Wired same-screen device with wireless router

Country Status (1)

Country Link
CN (1) CN108259978B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109462774A (en) * 2018-12-04 2019-03-12 石朝晖 Wired audio-video signal turns Wi-Fi mobile terminal wirelessly with screen device
CN111836098B (en) * 2020-07-28 2022-02-08 深圳市康冠商用科技有限公司 Multi-interface wireless same-screen device and wireless same-screen method

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001326647A (en) * 2000-05-15 2001-11-22 Matsushita Electric Ind Co Ltd Communication unit
CN203261587U (en) * 2013-04-19 2013-10-30 深圳市云端支点信息科技有限公司 Outdoor marketing experience box
CN104754402A (en) * 2015-04-08 2015-07-01 好迪龙电子(深圳)有限公司 Multi-unit same-screen displaying method and device

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001326647A (en) * 2000-05-15 2001-11-22 Matsushita Electric Ind Co Ltd Communication unit
CN203261587U (en) * 2013-04-19 2013-10-30 深圳市云端支点信息科技有限公司 Outdoor marketing experience box
CN104754402A (en) * 2015-04-08 2015-07-01 好迪龙电子(深圳)有限公司 Multi-unit same-screen displaying method and device

Also Published As

Publication number Publication date
CN108259978A (en) 2018-07-06

Similar Documents

Publication Publication Date Title
CN101202822B (en) Digital TV set-top box system
CN203801067U (en) Multifunctional intelligent sound box
US20140344876A1 (en) Smart touch set-top box device and smart multimedia playing system
US10262626B2 (en) Electronic interactive system and setting method thereof
US8436944B2 (en) Wireless communications system, adaptor apparatus for video apparatus, video apparatus and control method for wireless communications system
CN108259978B (en) Wired same-screen device with wireless router
CN104154439A (en) Intelligent LED lighting device and remote video chat system based on same
CN105916002A (en) Player multi-window displaying system and method of realizing hard and soft decoding switching
CN102147566A (en) Multimedia projector with embedded operation system
CN203181128U (en) WiFi (Wireless Fidelity) wireless audio-video sharing device
CN103997677A (en) Audio and video play method and play device
CN102694702A (en) Home multimedia exchange center system
US11314663B2 (en) Electronic apparatus capable of being connected to multiple external apparatuses having different protocols through a connection port and method of controlling the same
CN201294519Y (en) Wireless audio transmitting/receiving device
CN103067768A (en) Intelligent television possessing network online function
CN2847409Y (en) Infrared remote repeat circuit using radio transmission technology
JP6995925B2 (en) Remote control, screen projection receiver, television, screen projection system and screen projection method
CN104427635A (en) Data sharing device based on WiFi
CN204887385U (en) Support intelligent stereo set of WIFI audio module
CN202008574U (en) Multi-media projector with embedded operating system
CN104486575A (en) Simple, wireless, all-in-one and high-definition display device and control method thereof
CN216700161U (en) Television and audio-video processing system
CN204795080U (en) Spectral analysis network "Residential gateway"
CN103533675A (en) Intelligent household terminal
CN204350163U (en) The extremely simple WirelessHD display unit of a kind of many integration

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant
TR01 Transfer of patent right
TR01 Transfer of patent right

Effective date of registration: 20220407

Address after: 523000 Room 302, No. 13, Banshi Wuwu Road, Changping Town, Dongguan City, Guangdong Province

Patentee after: DONGGUAN WUXIAO INTELLIGENT SCIENCE & TECHNOLOGY CO.,LTD.

Address before: 523000 No.1 Wuwu Road, Banshi Wuwu village, Changping Town, Dongguan City, Guangdong Province

Patentee before: DONGGUAN KANGMAO ELECTRONICS Co.,Ltd.