CN102340642A - Multifunctional digital projector - Google Patents
Multifunctional digital projector Download PDFInfo
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- CN102340642A CN102340642A CN2011102978068A CN201110297806A CN102340642A CN 102340642 A CN102340642 A CN 102340642A CN 2011102978068 A CN2011102978068 A CN 2011102978068A CN 201110297806 A CN201110297806 A CN 201110297806A CN 102340642 A CN102340642 A CN 102340642A
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Abstract
The invention discloses a system for realizing digital projection in a plurality of ways. The system comprises a field programmable gate array (FPGA) module, a video output module, an audio output module, a U port, a wired network, a wireless network, a Bluetooth module, a display, a touch screen and a microprocessor, wherein the FPGA module is used for video decoding; the video output module is used for multifunctional displaying; the audio output module is used for voice output; the U port is used for information storage and input; the wired and wireless networks are used for receiving data from networks; the Bluetooth module is used for downloading information by a client; the display and the touch screen are used for the input and displaying of the information; and the microprocessor is used for the processing and control of the information. The system has the characteristics of flexibility, high efficiency and powerfulness, and can finish projection work in the plurality of ways.
Description
Technical field
The present invention relates to audio-visual broadcast field, be specifically related to a kind of multifunctional digital code projecting apparatus.
Technical background
Traditional projector architecture is very simple, and function is very single.Along with constant development of economy, the popularizing of network technology, the particularly fast development of wireless network and Bluetooth technology, increasingly high to the functional requirement of projecting apparatus.Shadow casting technique makes rapid progress at present, and along with development of science and technology, the projection industry has also developed into a paramount field.
Summary of the invention
For achieving the above object; The technical scheme that the present invention adopts is: a kind of multifunctional digital code projecting apparatus; It is characterized in that: comprise FPGA module, video output module, audio frequency output module, U mouth, cable network, wireless network, bluetooth module, display, touch-screen, microprocessor, said FPGA module, video output module, audio frequency output module, U mouth, cable network, wireless network, bluetooth module, display, touch-screen all are connected with microprocessor;
Described U mouth is used for the first usb bus communication on the microprocessor;
Described wireless network module is realized communicating by letter through IEEE802.11b agreement and external wireless Ethernet;
Described FPGA module links to each other with microprocessor, is used for the decoding processing of audio frequency and video;
Described video output module links to each other with microprocessor, is used for video and shows;
Described audio frequency output module links to each other with microprocessor, is used for sound playing;
Described bluetooth module links to each other with microprocessor through second usb bus, and bluetooth module is used for the transmission control of data;
Described microprocessor is used for network service control, the input of information and output control and information processing.
First preferred version of the present invention is it is characterized in that: the FPGA module comprises EPF10K10LC84-3.
Second preferred version of the present invention is it is characterized in that: the video output module comprises S1D13506.
The 3rd preferred version of the present invention is it is characterized in that: the audio frequency output module comprises WM8987L.
The 4th preferred version of the present invention is that it is characterized in that: wireless network module comprises PC2MCIA.
The 5th preferred version of the present invention is that it is characterized in that: bluetooth module comprises ROK101007.
The 6th preferred version of the present invention is it is characterized in that: described microprocessor comprises S3C6410.
Technical conceive of the present invention is: the U mouth can be passed through in the audio frequency and video source of projecting apparatus, cable network, and wireless network can adapt to on-the-spot various needs like this, and the decoding work of audio frequency and video is accomplished by FPGA, and this mainly is to consider the real-time problem.Bluetooth module can be used as a server, can transmit some necessary data to numerous personnel through it, and is convenient and swift, is particularly suitable for large-scale interchange seminars such as on-the-spot meeting.
Technical advantage of the present invention: applicability is strong, and practical convenient satisfies variety of network conditions,
The intelligent user interface.
Below in conjunction with accompanying drawing and embodiment the present invention is further described.
Description of drawings
Fig. 1 is the present embodiment entire block diagram.
Fig. 2 is that the present embodiment microprocessor is connected sketch map with video module.
Fig. 3 is that the present embodiment microprocessor is connected sketch map with audio-frequency module.
Fig. 4 is that the present embodiment microprocessor is connected sketch map with the FPGA module.
Fig. 5 is that the present embodiment microprocessor is connected sketch map with bluetooth module.
Fig. 6 is a present embodiment bluetooth service program diagram.
Fig. 7 is that the present embodiment microprocessor is connected sketch map with wireless module.
Fig. 8 is connected sketch map for the present embodiment microprocessor with wire module is arranged.
Embodiment
With reference to shown in Figure 1.The present invention has adopted with the ARM11 processor as CPU, the control of the functional packet includes network of CPU, and data processing, service processing shows input control etc.Said FPGA module, video output module, audio frequency output module, U mouth, cable network, wireless network, bluetooth module, display, touch-screen all are connected with microprocessor;
Fig. 2 is that the present embodiment microprocessor is connected sketch map with video module.The chip that video module is selected for use is the S1D13506 chip of EPSON company.S1D13506 also needs external a slice DRAM except the part of crystal oscillator independently.Taked a lot of measures to reduce power supply and the interference of ground when designing again, adopted independent electric power supply as far as possible video.The control of S1D13056 video
Device needs initial configuration at powered on moment, selects the type of data-interface, the big small end form of data, and the frequency divisions of BUSCLK etc. are so must correctly be provided with initial configuration.The process that initial configuration is set through on draw " configuration/video memory data multiplex line " to accomplish.
Fig. 3 is that the present embodiment microprocessor is connected sketch map with audio-frequency module.WM8987 is used for converting digital audio and video signals into can promote the output of earphone or loud speaker audio signal, and simultaneously also built-in ADC (analog/digital signal conversion device) is in order to microphone or the manageable digital signal of line input signal conversion chip.In addition, WM8987 also has processing units such as digital noise filtering, EQ audio equalizer, volume control, electronic switch, 3D audio, the high bass tone control of hardware, and auxiliary circuits such as microphone bias power supply, the control of ALC automatic electric-level are formed.WM8987 still is a low-power consumption, small and exquisite coding decoder, more suitable digital audio-frequency player portable application and designing.
Fig. 4 is that the present embodiment microprocessor is connected sketch map with the FPGA module.Microprocessor is handed to FPGA with audio, video data through shared drive, accomplishes decoding process.Microprocessor is at first write shared drive with 32 data, notifies FPGA sense data then, after finishing dealing with the result is put back in the shared drive, notifies microprocessor to carry out other operations then.
Fig. 5 is that the present embodiment microprocessor is connected sketch map with bluetooth module.When ROK101007 and main frame or miscellaneous equipment are interconnected, 3 kinds of interface modes are arranged.USB interface, UART interface, PCM speech interface.Here adopt USB interface, the USB interface of ROK101007 meets the USB1.1 standard, and through bidirectional port D+&D-, transfer of data can reach 12Mb/s.When using USB interface and main-machine communication, ROK is a USB slave unit.
Fig. 6 is a present embodiment bluetooth service program diagram.When information will be sent, open bluetooth
Service after mobile phone or other the PDA users who has a bluetooth opens bluetooth, can connect server so far, connects can begin to download the data that needs after setting up.
Fig. 7 is that the present embodiment microprocessor is connected sketch map with wireless module.Wireless communication module adopts Wireless LANPCI Adapter XI-625, and frequency is 2.4Ghz, adopts the IEEE802.11b protocol communication.
Fig. 8 is connected sketch map for the present embodiment microprocessor with wire module is arranged.DM9000 is a fully-integrated with cost-effective, single-chip Fast Ethernet mac controller.It has a general Processing Interface, the SRAM of adaptive PHY of 10/100M and 4K DWORD value.Its purpose is tolerant in the support of the 3.3V of low-power consumption and high-performance process and 5V.
Generally the user can pass through USB flash disk displaying video audio file, and when the needs netcast, the user can open cable network or wireless network through human-computer interaction interface; Downloading and playing data from network; This system also supports WORD, Powerpoint, the playing function of PDF etc. simultaneously; System also can external mouse, and keyboard is operated.The place that this system is the most outstanding is the bluetooth interactive module, and convenient numerous personnel download data in exchanging the investigation meeting.
Claims (7)
1. multifunctional digital code projecting apparatus; It is characterized in that: comprise FPGA module, video output module, audio frequency output module, U mouth, cable network, wireless network, bluetooth module, display, touch-screen, microprocessor, said FPGA module, video output module, audio frequency output module, U mouth, cable network, wireless network, bluetooth module, display, touch-screen all are connected with microprocessor;
Described U mouth is used for the first usb bus communication on the microprocessor;
Described wireless network module is realized communicating by letter through IEEE802.11b agreement and external wireless Ethernet;
Described FPGA module links to each other with microprocessor, is used for the decoding processing of audio frequency and video;
Described video output module links to each other with microprocessor, is used for video and shows;
Described audio frequency output module links to each other with microprocessor, is used for sound playing;
Described bluetooth module links to each other with microprocessor through second usb bus, and bluetooth module is used for the transmission control of data;
Described microprocessor is used for network service control, the input of information and output control and information processing.
2. a kind of multifunctional digital code projecting apparatus according to claim 1, it is characterized in that: the FPGA module comprises EPF10K10LC84-3.
3. a kind of multifunctional digital code projecting apparatus according to claim 1, it is characterized in that: the video output module comprises S1D13506.
4. a kind of multifunctional digital code projecting apparatus according to claim 1, it is characterized in that: the audio frequency output module comprises WM8987L.
5. a kind of multifunctional digital code projecting apparatus according to claim 1 is characterized in that:, wireless network module comprises PC2MCIA.
6. a kind of multifunctional digital code projecting apparatus according to claim 1 is characterized in that:
Bluetooth module comprises ROK101007.
7. a kind of multifunctional digital code projecting apparatus according to claim 1, it is characterized in that: described microprocessor comprises S3C6410.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102978068A CN102340642A (en) | 2011-10-08 | 2011-10-08 | Multifunctional digital projector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102978068A CN102340642A (en) | 2011-10-08 | 2011-10-08 | Multifunctional digital projector |
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| Publication Number | Publication Date |
|---|---|
| CN102340642A true CN102340642A (en) | 2012-02-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2011102978068A Pending CN102340642A (en) | 2011-10-08 | 2011-10-08 | Multifunctional digital projector |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104243878A (en) * | 2013-06-19 | 2014-12-24 | 中兴通讯股份有限公司 | Projector device and method for obtaining projector device with network function |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101435981A (en) * | 2007-11-15 | 2009-05-20 | 船井电机株式会社 | Projector and method for projecting image |
| CN101435980A (en) * | 2007-11-14 | 2009-05-20 | 船井电机株式会社 | Image display apparatus |
| CN102147566A (en) * | 2011-03-15 | 2011-08-10 | 利达光电股份有限公司 | Multimedia projector with embedded operation system |
| CN202276415U (en) * | 2011-10-08 | 2012-06-13 | 无锡艾德里安科技有限公司 | Multifunctional digital projector |
-
2011
- 2011-10-08 CN CN2011102978068A patent/CN102340642A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101435980A (en) * | 2007-11-14 | 2009-05-20 | 船井电机株式会社 | Image display apparatus |
| CN101435981A (en) * | 2007-11-15 | 2009-05-20 | 船井电机株式会社 | Projector and method for projecting image |
| CN102147566A (en) * | 2011-03-15 | 2011-08-10 | 利达光电股份有限公司 | Multimedia projector with embedded operation system |
| CN202276415U (en) * | 2011-10-08 | 2012-06-13 | 无锡艾德里安科技有限公司 | Multifunctional digital projector |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104243878A (en) * | 2013-06-19 | 2014-12-24 | 中兴通讯股份有限公司 | Projector device and method for obtaining projector device with network function |
| WO2014201787A1 (en) * | 2013-06-19 | 2014-12-24 | 中兴通讯股份有限公司 | Projector device and method for realizing projector device with network function |
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Application publication date: 20120201 |