CN2884699Y - Radio home cinema - Google Patents
Radio home cinema Download PDFInfo
- Publication number
- CN2884699Y CN2884699Y CN 200520120834 CN200520120834U CN2884699Y CN 2884699 Y CN2884699 Y CN 2884699Y CN 200520120834 CN200520120834 CN 200520120834 CN 200520120834 U CN200520120834 U CN 200520120834U CN 2884699 Y CN2884699 Y CN 2884699Y
- Authority
- CN
- China
- Prior art keywords
- dvd
- vcd
- player
- audio signal
- module
- 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.)
- Expired - Fee Related
Links
- OVVJBKJSJVGGOF-UHFFFAOYSA-N n-[2-(hydroxymethyl)-3-[5-[(5-methyl-6,7-dihydro-4h-pyrazolo[1,5-a]pyrazin-2-yl)amino]-6-oxo-1h-pyridazin-3-yl]phenyl]-1-benzothiophene-2-carboxamide Chemical compound C1=CC=C2SC(C(=O)NC=3C=CC=C(C=3CO)C=3C=C(C(NN=3)=O)NC3=NN4CCN(CC4=C3)C)=CC2=C1 OVVJBKJSJVGGOF-UHFFFAOYSA-N 0.000 claims abstract description 44
- 230000005236 sound signal Effects 0.000 claims abstract description 32
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
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- Circuit For Audible Band Transducer (AREA)
Abstract
The utility model relates to a wireless home theater, which provides respectively blue tooth modules in DVD recorder or DVD (VCD) player and audio power amplifier, transmitting audio signals between DVD recorder or DVD (VCD) player and audio power amplifier with blue tooth technology, realizing wireless connection between DVD recorder or DVD (VCD) player and acoustic apparatus, the utilization thereof is simplifies and the hidden threats to safety of wired connection are eliminated. DVD recorder or DVD (VCD) player can also be used for blue tooth earphones, within the effective distance of blue tooth, acoustic apparatus can be placed at will, convenient for use.
Description
Affiliated technical field:
The utility model relates to a kind of wireless family movie theatre, adopts the wireless family movie theatre of Bluetooth technology transmitting audio signal between particularly a kind of DVD recorder or DVD (VCD) player and the stereo set.
Background technology:
At present, be connected by lead between DVD recorder of the prior art or DVD (VCD) player and the stereo set, because the limited length of lead, so the relative distance between DVD recorder or DVD (VCD) player and the stereo set just is restricted, if when using earphone, the wired connection of earphone is made troubles to use.On the other hand, in Modern Family, along with the quantity of household electrical appliances in the family increases, the wired connection of various household electrical appliances makes troubles to use, also brings potential safety hazard simultaneously.
Summary of the invention:
For overcoming between DVD recorder of the prior art or DVD (VCD) player and the stereo set deficiency of the potential safety hazard that adopts inconvenience that wired connection brings and existence, the utility model provides a kind of wireless family movie theatre, between DVD recorder or DVD (VCD) player and stereo set, utilize the Bluetooth technology transmitting audio signal, realize the wireless connections between DVD recorder or DVD (VCD) player and the stereo set.
The technical scheme in the invention for solving the technical problem is: a kind of wireless family movie theatre, comprise DVD recorder or DVD (VCD) player, power amplifier and sound equipment, DVD recorder or DVD (VCD) player audio signal output is connected with the audio signal input of power amplifier, the output of power amplifier is connected with sound equipment, being connected to of the audio signal input of DVD recorder or DVD (VCD) player audio signal output and power amplifier: in DVD recorder or DVD (VCD) player, be provided with bluetooth module, the audio signal output of DVD recorder or DVD (VCD) player is connected with the data input pin of bluetooth module, audio signal is sent to the audio signal input end of power amplifier by the radio receiving transmitting module in the bluetooth module after bluetooth module is handled, in power amplifier, be provided with bluetooth module, radio receiving transmitting module in the bluetooth module is the audio signal input end of power amplifier, and the data output end of bluetooth module is connected with the audio signal input end of power amplifier module.The audio signal output that radio receiving transmitting module in the bluetooth module of DVD recorder or DVD (VCD) player sends is to bluetooth earphone.Bluetooth module comprises radio receiving transmitting module, base band control module and microprocessor, the audio frequency output of DVD recorder or DVD (VCD) player is connected with the microprocessor data input, the cpu data end of DVD recorder or DVD (VCD) player is connected with the data terminal of microprocessor, microprocessor is connected with base band control module input with the SSI interface by UART, and base band control module output is connected with radio receiving transmitting module.Be connected with the keyboard output end and the infrared ray sensor output of DVD recorder or DVD (VCD) player on the microprocessor data input, be connected with the input of VFD display on the microprocessor data output.
The beneficial effects of the utility model are: the utility model makes between DVD recorder or DVD (VCD) player and the stereo set and utilizes the Bluetooth technology transmitting audio signal, the wireless connections between DVD recorder or DVD (VCD) player and stereo set have been realized, bring convenience to use, eliminate the potential safety hazard that wired connection is brought simultaneously, DVD recorder or DVD (VCD) player also can use for bluetooth earphone, stereo set is in the coverage of bluetooth, be not subjected to position limit, can place convenient the use arbitrarily.
Description of drawings:
Below in conjunction with drawings and Examples the utility model is described further.
Fig. 1 is DVD recorder or DVD (VCD) player circuit block diagram.
Fig. 2 is the power amplifier block diagram.
Among the figure, 1, DVD recorder or DVD (VCD) player, 2, bluetooth module, 2-1, microprocessor, 2-2, base band control module, 2-3, radio receiving transmitting module, 3, video output, 4, video input, 5, the audio frequency input, 6, the VFD display, 7, keyboard, 8, infrared ray sensor, 9, bluetooth module in the power amplifier, 9-1, radio receiving transmitting module, 9-2, base band control module, 9-3, microprocessor, 10, audio decoding circuit, 11, power amplifier module, 12, sound equipment.
Embodiment:
Referring to accompanying drawing, present embodiment is to be provided with bluetooth module 2 in DVD recorder or DVD (VCD) player 1, the audio signal output of DVD recorder or DVD (VCD) player 1 is connected with the data terminal of microprocessor 2-1 in the bluetooth module 2, microprocessor 2-1 is connected with base band control module 2-2 with the SSI interface by the UART interface, and base band control module 2-2 signal output part is connected with the signal input part of radio receiving transmitting module 2-3.The audio signal of DVD recorder or DVD (VCD) player 1 output, after microprocessor 2-1 modulation and demodulation, 2-2 handles in real time through the base band control module, and 2-3 sends from radio receiving transmitting module.The signal end of the keyboard 7 of DVD recorder or DVD (VCD) player 1 and the signal end of infrared ray sensor 8 are connected on the microprocessor 2-1 data input pin, and the data port of microprocessor 2-1 is connected with the master cpu data port of DVD recorder or DVD (VCD) player 1.The master cpu of DVD recorder or DVD (VCD) player 1 is sent in the instant control information of keyboard 7 or remote controller 8 inputs after microprocessor 2-1 decoding, by master cpu DVD recorder or DVD (VCD) player are controlled immediately.The VFD display 6 of DVD recorder or DVD (VCD) player 1 is connected with microprocessor 2-1, the instant messages of DVD recorder or DVD (VCD) player 1 is transferred to microprocessor 2-1 by master cpu, send VFD display 6 to show behind microprocessor 2-1 coding.
DVD recorder or DVD (VCD) player 1 and the power amplifier or the supporting use of bluetooth earphone that have bluetooth module, be provided with bluetooth module 9 in the power amplifier, the structure of bluetooth module is that the signal output part of radio receiving transmitting module 9-1 links to each other with the signal input part of base band control module 9-2, base band control module 9-2 is connected with microprocessor 9-3 with the SSI interface by the UART interface, the signal output part of microprocessor 9-3 is connected with audio decoding circuit 10, the audio signal output of audio decoding circuit 10 is connected with the audio signal input end of power amplifier module 11, and the voltage output of power amplifier module 11 is connected with sound equipment 12.The wireless audio signal that DVD recorder or DVD (VCD) player transmits is received by the radio receiving transmitting module 9-1 in the power amplifier, 9-2 handles in real time through the base band control module, by sending into audio decoding circuit 10 after the microprocessor 9-3 modulation and demodulation, after 10 pairs of audio signals of audio decoding circuit are carried out audio decoder, carry out signal through power amplifier module 11 and amplify, then by sound equipment 12 outputs.
Because bluetooth module adopts the high radio frequency ripple, wireless audio signal can penetrate wall or glass, so the utility model power amplifier can be placed arbitrarily in its coverage, and not limited by the room.
Claims (4)
1, a kind of wireless family movie theatre, comprise DVD recorder or DVD (VCD) player, power amplifier and sound equipment, DVD recorder or DVD (VCD) player audio signal output is connected with the audio signal input of power amplifier, the output of power amplifier is connected with sound equipment, it is characterized in that: what the audio signal of described DVD recorder or DVD (VCD) player (1) audio signal output and power amplifier was imported is connected to: be provided with bluetooth module (2) in DVD recorder or DVD (VCD) player (1), the audio signal output of DVD recorder or DVD (VCD) player (1) is connected with the data input pin of bluetooth module (2), audio signal is sent to the audio signal input end of power amplifier by the radio receiving transmitting module (2-3) in the bluetooth module (2) after bluetooth module (2) is handled, in power amplifier, be provided with bluetooth module (9), radio receiving transmitting module (9-1) in the bluetooth module (9) is the audio signal input end of power amplifier, receive the audio signal that the radio receiving transmitting module (2-3) in the bluetooth module (2) is sent, the data output end of bluetooth module (9) is connected with the audio signal input end of power amplifier module (11).
2, a kind of wireless family movie theatre according to claim 1 is characterized in that: the audio signal output that the radio receiving transmitting module (2-3) in the bluetooth module (2) of described DVD recorder or DVD (VCD) player (1) sends is to bluetooth earphone.
3, a kind of wireless family movie theatre according to claim 1, it is characterized in that: described bluetooth module (2) comprises radio receiving transmitting module (2-3), base band control module (2-2) and microprocessor (2-1), the audio frequency output of DVD recorder or DVD (VCD) player (1) is connected with microprocessor (2-1) data input pin, the cpu data end of DVD recorder or DVD (VCD) player (1) is connected with the data terminal of microprocessor (2-1), microprocessor (2-1) is connected with base band control module (2-2) input with the SSI interface by UART, and base band control module (2-2) output is connected with radio receiving transmitting module (2-3).
4, a kind of wireless family movie theatre according to claim 1, it is characterized in that: be connected with keyboard (7) output and infrared ray sensor (8) output of DVD recorder or DVD (VCD) player on described microprocessor (2-1) data input pin, be connected with the input of VFD display (6) on microprocessor (2-1) data output end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520120834 CN2884699Y (en) | 2005-12-15 | 2005-12-15 | Radio home cinema |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520120834 CN2884699Y (en) | 2005-12-15 | 2005-12-15 | Radio home cinema |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2884699Y true CN2884699Y (en) | 2007-03-28 |
Family
ID=37957750
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520120834 Expired - Fee Related CN2884699Y (en) | 2005-12-15 | 2005-12-15 | Radio home cinema |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2884699Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107622776A (en) * | 2017-09-17 | 2018-01-23 | 张小亚 | A kind of combined household electronics audio amplifier |
-
2005
- 2005-12-15 CN CN 200520120834 patent/CN2884699Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107622776A (en) * | 2017-09-17 | 2018-01-23 | 张小亚 | A kind of combined household electronics audio amplifier |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070328 Termination date: 20111215 |