CN202159222U - Multimedia karaoke projector - Google Patents
Multimedia karaoke projector Download PDFInfo
- Publication number
- CN202159222U CN202159222U CN2011200565456U CN201120056545U CN202159222U CN 202159222 U CN202159222 U CN 202159222U CN 2011200565456 U CN2011200565456 U CN 2011200565456U CN 201120056545 U CN201120056545 U CN 201120056545U CN 202159222 U CN202159222 U CN 202159222U
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- China
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- module
- projector
- karaoke
- multimedia
- audio frequency
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- Expired - Fee Related
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- Reverberation, Karaoke And Other Acoustics (AREA)
Abstract
The utility model relates to a multimedia karaoke projector, comprising a projector and a DVD player which are integrated in one, and input and output interfaces of the projector and the DVD player, wherein the MCU module of the projector end and the CPU module of the DVD player end are connected through chromatic aberration component data. The multimedia karaoke projector is characterized by also comprising a multimedia karaoke audio frequency processing circuit, wherein the karaoke audio frequency processing circuit is connected with the CPU module, the front end of the karaoke audio frequency processing circuit is connected with a 2.4G digital wireless receiving circuit, and equipped with a 2.4G digital wireless program request microphone, the 2.4G digital wireless program request microphone is integrated with an infrared remote control module, and the infrared remote control receiving module is respectively connected with the CPU module and the MCU module. The multimedia karaoke projector enables a karaoke wireless microphone to be integrated therein, thereby providing convenience for demonstration teaching and impromptu singing, and dispensing with excess equipment and complicated circuit connection.
Description
Technical field:
The utility model relates to a kind of DVD player that merges in the multimedia OK a karaoke club OK of one projector, can be operated by 2.4G digital radio requesting song microphone.
Background technology:
The projector of popular in the market a kind of projector or some band DVD players; Promptly realize reading or playing to the video file in USB flash disk, hard disk or the CD, text, photo, audio file through certain scheme; Like CN201654438U; Disclosed a kind of multi-functional projector comprises, is located at projection imaging assembly and circuit main board in the casing, and described projecting subassembly is provided with the picture signal input port that is electrically connected with circuit main board; It is characterized in that described casing also is provided with DVD assembly and the TV signal receiving unit that is connected with circuit main board, described circuit main board comprises video processor.This multi-functional projector just merges the DVD function, forms multimedia, does not have the karaoke OK system function.And, promptly need join the microphone audio system in addition as demonstration with when singing, and external unit is many, and cabling is complicated, and operation is inconvenience quite.How to merge and play Karaoka in equipment, promptly become the object of the utility model research.
Summary of the invention:
The purpose of the utility model is that a kind of DVD of fusion of design and 2.4GHz digital radio are requested a song microphone in the multimedia OK a karaoke club OK of one projector.
The utility model technical scheme is achieved in that a kind of multimedia OK a karaoke club OK projector; Comprise integrated projector and DVD player; And the input and output interface of projector and DVD player; The MCU module of projector's end is connected through the color difference components data with the CPU module of DVD end, and it is characterized in that: also comprise the Karaoke audio frequency processing circuit, this Karaoke audio frequency processing circuit is connected on the CPU module; Said Karaoke audio frequency processing circuit front end is connected with 2.4G digital radio receiving circuit, and supporting 2.4G digital radio program request microphone is arranged; This 2.4G digital radio program request microphone is integrated with the infrared remote control module, and the infrared remote control receiver module is received respectively on CPU module and the MCU module.Integrated Karaoke wireless microphone in projector provides the facility of teaching demonstration, impromptu singing, need not too much equipment and is connected with loaded down with trivial details cabling.
Said projector also comprises a TV receiver module, and this TV receiver module is connected on the MCU module, can be used as a television receiver and uses.
Said CPU module is connected with a dynamic RAM and a flash memory, and the MCU module is connected with a flash memory; Input interface also comprises the USB interface that is connected on the CPU module end, is connected on VGA, HDMI, the CVBS interface of MCU module end; CPU module and MCU module output AV signal through the AV handover module, connect the AV output interface after the switching.Through USB interface, can insert the audio-visual broadcast source of more form.
The utility model is based on existing projector, integrated DVD player and Kara OK function, and adopt 2.4GHz digital radio program request microphone; Need not line, no matter promptly remote-controlled control, requesting song and performance are demonstration, the teaching of public situation; Or family's karaoke, all offer convenience, need not too much equipment and line; Satisfy multimedia, expand the field of the use of projector.
Description of drawings:
Below in conjunction with concrete legend the utility model is further specified:
Fig. 1 multimedia OK a karaoke club OK projector module block diagram
Fig. 2 multimedia OK a karaoke club OK projector control flow block diagram
Embodiment:
With reference to Fig. 1, multimedia OK a karaoke club OK projector; Comprise integrated projector and DVD player; And the input and output interface of projector and DVD player; The MCU module of projector's end is connected through the color difference components data with the CPU module of DVD end, also is that the YPbPr line connects, to transmit the vision signal that DVD player sends; The CPU module is connected with a dynamic RAM and a flash memory, and the MCU module is connected with a flash memory; Input interface also comprises the USB interface that is connected on the CPU module end, is connected on VGA, HDMI, the CVBS interface of MCU module end; USB interface can provide the access of external audio frequency and video and picture format file, and such as MP3, jpeg enriches the functions of use of projector; The output of AV signal connects the AV output interface on CPU module and the MCU module behind the AV handover module, switches output according to the unlike signal source.End also comprises a TV receiver module in projector, and this TV receiver module is connected on the MCU module.Its control flow such as Fig. 2.
The utility model is integrated Karaoke audio frequency processing circuit, this Karaoke audio frequency processing circuit is connected on the CPU module; Said Karaoke audio frequency processing circuit front end is connected with 2.4G digital radio receiving circuit, and supporting 2.4G digital radio program request microphone is arranged; This 2.4G is wireless, and the program request microphone is integrated with the infrared remote control module, and the infrared remote control receiver module is received respectively on CPU module and the MCU module.This 2.4G digital radio program request microphone sharpest edges are integrated distant control function is given and is used operation to offer convenience.
2.4G in 2.4G digital radio receiving circuit that this paper relates to and the 2.4G digital radio program request microphone refers to the 2.4GHz digital wireless signal.
Claims (3)
1. multimedia OK a karaoke club OK projector; Comprise integrated projector and DVD player; And the input and output interface of projector and DVD player; The MCU module of projector's end is connected through the color difference components data with the CPU module of DVD end, and it is characterized in that: also comprise the Karaoke audio frequency processing circuit, this Karaoke audio frequency processing circuit is connected on the CPU module; Said Karaoke audio frequency processing circuit front end is connected with 2.4G digital radio receiving circuit, and supporting 2.4G digital radio program request microphone is arranged; This 2.4G digital radio program request microphone is integrated with the infrared remote control module, and the infrared remote control receiver module is received respectively on CPU module and the MCU module.
2. multimedia OK a karaoke club OK projector according to claim 1 is characterized in that: also comprise--the TV receiver module, this TV receiver module is connected on the MCU module.
3. multimedia OK a karaoke club OK projector according to claim 1 is characterized in that: the CPU module is connected with a dynamic RAM and a flash memory, and the MCU module is connected with a flash memory; Input interface also comprises the USB interface that is connected on the CPU module end, is connected on VGA, HDMI, the CVBS interface of MCU module end; CPU module and MCU module output AV signal through the AV handover module, connect the AV output interface after the switching.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200565456U CN202159222U (en) | 2011-03-04 | 2011-03-04 | Multimedia karaoke projector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200565456U CN202159222U (en) | 2011-03-04 | 2011-03-04 | Multimedia karaoke projector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202159222U true CN202159222U (en) | 2012-03-07 |
Family
ID=45766852
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200565456U Expired - Fee Related CN202159222U (en) | 2011-03-04 | 2011-03-04 | Multimedia karaoke projector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202159222U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104320732A (en) * | 2014-11-19 | 2015-01-28 | 四川量迅科技有限公司 | Self-help multifunctional microphone |
| WO2017084484A1 (en) * | 2015-11-16 | 2017-05-26 | 惠州市金能量科技有限公司 | Portable outdoor audio/video-on-demand device |
| CN109471609A (en) * | 2018-11-27 | 2019-03-15 | 深圳市橙子电子有限公司 | K sings projection integration machine and its karaoke method |
-
2011
- 2011-03-04 CN CN2011200565456U patent/CN202159222U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104320732A (en) * | 2014-11-19 | 2015-01-28 | 四川量迅科技有限公司 | Self-help multifunctional microphone |
| WO2017084484A1 (en) * | 2015-11-16 | 2017-05-26 | 惠州市金能量科技有限公司 | Portable outdoor audio/video-on-demand device |
| CN109471609A (en) * | 2018-11-27 | 2019-03-15 | 深圳市橙子电子有限公司 | K sings projection integration machine and its karaoke method |
| CN109471609B (en) * | 2018-11-27 | 2023-11-03 | 深圳市橙子数字科技有限公司 | Karaoke projection integrated machine and Karaoke method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120307 Termination date: 20140304 |