CN201066845Y - Bluetooth long-distance bidirectional transmission enhancer - Google Patents
Bluetooth long-distance bidirectional transmission enhancer Download PDFInfo
- Publication number
- CN201066845Y CN201066845Y CNU2007201434111U CN200720143411U CN201066845Y CN 201066845 Y CN201066845 Y CN 201066845Y CN U2007201434111 U CNU2007201434111 U CN U2007201434111U CN 200720143411 U CN200720143411 U CN 200720143411U CN 201066845 Y CN201066845 Y CN 201066845Y
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- bluetooth
- transmission
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- power amplification
- booster
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Abstract
The utility model discloses a Bluetooth long-distance bidirectional transmission intensifier which mainly can facilitate more than two Bluetooth devices to mutually transmit for long distance. In order to facilitate two Bluetooth devices to transmit data for long distance, in the Bluetooth transmission architecture of the utility model, at least two transmission intensifiers are capable of respectively amplifying signals which are sent out by respective Bluetooth devices. And data can be exchanged between the two transmission intensifiers to realize the Bluetooth long-distance transmission. Every transmission intensifier at least comprises a Bluetooth module, a radio frequency power amplification module and a selection module. The radio frequency power amplification module amplifies the Bluetooth signals firstly according to preset frequency used by the Bluetooth module. Then, the selection module selectively transmits or receives the amplified Bluetooth signals.
Description
Technical field
The utility model relates to a kind of Bluetooth transmission device, and particularly a kind of bluetooth length is apart from the transmitted in both directions booster.
Background technology
Bluetooth technology is formulated by Ericsson at first.On May 20th, 1999, industries such as Sony Ericsson, IBM, Intel, Nokia and Toshiba tap is founded the special interest group of bluetooth (SIG, Special InterestGroup), works out the Bluetooth technology standard." bluetooth " this title is from the nickname of the Denmark king Harald (Harald Gormsson) in 10th century.1998, Ericsson wished that wireless communication technology can seek unity of standard and be named " bluetooth ".
The current product of selling on the market is the standard of 1.1 versions mostly, is the wireless device of a low electric power consumption amount, only utilizes a brilliant at a low price unit, just can finish the signal transmitting and receiving of short distance (1 to 100 meter).
Bluetooth is used in carries out wireless connections between the different equipment, for example connect computer and ancillary equipment, as: printer, keyboard etc. perhaps allow PDA(Personal Digital Assistant) and PDA or computer near other communicate.At present possess the handset-selected very abundant of Bluetooth technology on the market, can be connected to computer, PDA even be connected to hand-free receiver.
In fact, according to the standard of having concluded, bluetooth can the stronger long distance communication of support function, in order to constitute radio area network.Each bluetooth equipment can be safeguarded 7 connections simultaneously, and makes each equipment disposition in order to connect, and constantly near its existence of device asserts.In addition, also can carry out cryptoguard, be received by miscellaneous equipment preventing the connection between two equipment.
The standard of bluetooth is IEEE 802.15.1, and its bluetooth communication agreement is operated in the industry that need not to specially permit and the 2.45GHz of science and medical science ISM (Industrial Scientific Medical) frequency band, and maximum speed can reach 723.1kb/s.For fear of disturbing other agreement that may use 2.45GHz, Bluetooth protocol becomes 79 channels (frequency range is 1MHZ) with this frequency band division, and the channel switch of per second can reach 1600 times.
The Wireless Fidelity quite similar with bluetooth (WiFi, Wireless Fidelity) compared, and WiFi is an agreement more fast, and its coverage is bigger.Though both use identical frequency range, also need expensive more hardware.Just because of this, general think that bluetooth should be used to create wireless connections between different equipment mostly, WiFi then is a protocol of wireless local area network.But, existing manufacturer proposes, utilize bluetooth itself simply, the characteristic of power saving, additionally strengthen its coverage, make bluetooth become more competitive communications protocol than WiFi.
In the TaiWan, China patent, No. the 536899th, notification number " a kind of method that is used for long-distance blue-teeth data transmitting ", its operation system comprises a bluetooth use side, a bluetooth server and a bluetooth agent apparatus at least.The bluetooth agent apparatus is carried out the bluetooth proxy module of this patented method, makes the bluetooth message transmission distance of bluetooth use side and bluetooth server to strengthen.
Yet the long Distance Transmission mode of above-mentioned bluetooth relates to communications protocol, and this makes whole mechanism become very complicated, and its cost is also with higher, and is unfavorable for promoting.
The utility model content
Main purpose of the present utility model is providing a kind of bluetooth length apart from the transmitted in both directions booster, by the employed frequency of power amplification bluetooth communication merely, and then realizes long Distance Transmission.
Based on above-mentioned purpose, the utility model bluetooth length mainly can make two above blue-tooth devices can grow distance transmission mutually apart from the transmitted in both directions booster.In order to allow two blue-tooth devices can grow the Distance Transmission data, in Bluetooth transmission framework described in the utility model, has two transmission boosters affiliated separately signal that blue-tooth device sent of power amplification respectively at least, and between two transmission boosters, carry out exchanges data, and then realize the long Distance Transmission of bluetooth.
Wherein, every transmission booster comprises bluetooth module, radio frequency power amplification module, selection module at least.Bluetooth module is in order to set up the bluetooth communication channel with described blue-tooth device.Radio frequency power amplification module is made Bluetooth signal at the employed preset frequency of bluetooth module and is amplified.Select the module selectivity to transmit or the Bluetooth signal of reception through amplifying.Particularly, select module, can only allow this Bluetooth signal to be sent out or be received into through amplifying according to select command.
In sum, can realize the long Distance Transmission of two above blue-tooth devices with economy, convenient mode apart from the transmitted in both directions booster by bluetooth length described in the utility model.
Description of drawings
Fig. 1 utilizes the running schematic diagram of the utility model bluetooth length apart from the transmitted in both directions booster.
Wherein, description of reference numerals is as follows:
1,3 bluetooth length are apart from the transmitted in both directions booster
10 bluetooth modules
11 operating modules
12 radio frequency power amplification modules
14 select module
20a, 20b blue-tooth device
Embodiment
See also Fig. 1, Fig. 1 utilizes the running schematic diagram of the utility model bluetooth length apart from the transmitted in both directions booster.As shown in Figure 1, the utility model bluetooth length all comprises bluetooth module 10, is arranged on radio frequency power amplification module 12, selection module 14 in the operating module 11 apart from transmitted in both directions booster 1,3.Operating module 11 also can comprise other device running and go up required function.
In order to allow two blue- tooth device 20a, 20b can grow the Distance Transmission data, in Bluetooth transmission framework of the present invention, two transmission boosters 1,3 signal of being sent of blue-tooth device 20a, the 20b of power amplification under separately respectively will be arranged at least, and between two transmission boosters 1,3, carry out exchanges data, and then realize the long Distance Transmission of bluetooth.As for the mechanism of power amplification, in the TaiWan, China patent, disclose to some extent in notification number I266474 number " the active self-bias compensation circuit of radio frequency power amplifier ", this not superfluous chatting.
In transmission booster 1,3, bluetooth module 14 all is used for setting up the bluetooth communication channel with blue- tooth device 20a, 20b respectively.12 of radio frequency power amplification modules carry out the power amplification of Bluetooth signal at bluetooth module 10 employed preset frequencies.To make transmitted in both directions in order being implemented between two transmission boosters 1,3, to select module 14 selectivity to transmit or the Bluetooth signal of reception through amplifying.For instance, concerning transmission booster 1, may receive the Bluetooth signal that is amplified from the radio frequency power amplification module 12 that transmits booster 3, and may transmit the Bluetooth signal that the radio frequency power amplification module 12 through transmitting booster 1 is amplified.Above-mentioned preset frequency is in the industry of 2.4 to 2.483GHz Non-Patent radio frequencies and science and medical band.
At whole operation system initial phase, two transmission boosters 1,3 need be finished the foundation of the communication channel between the transmission booster 1,3 by operating module 11 separately.When setting up communication channel, still can use all separately bluetooth modules 10 and attempt online supervisor, after the foundation of finishing this communication channel, concerning blue-tooth device 20a, the package that it transmitted only can see through transmission booster 1,3 and pass.
For instance, when if blue-tooth device 20a need transmit data to blue-tooth device 20b, the bluetooth module 10 that these data can be transmitted in the booster 1 by Bluetooth transmission protocol earlier receives, and by after radio frequency power amplification module 12 amplifications, select module 14 to send select command by 11 pairs of operating modules, and only allow Bluetooth signal to be sent out to transmission booster 3 through amplifying, transfer to blue-tooth device 20b according to model identical then.Relatively, when if blue-tooth device 20b need do to reply at the data that received, the bluetooth module 10 that these data can be transmitted in the booster 3 through Bluetooth transmission protocol earlier receives, and by after radio frequency power amplification module 12 amplifications, select module 14 to send select command by 11 pairs of operating modules, and only allow Bluetooth signal to be sent out to transmission booster 1 through amplifying, transmitting booster 1 then can require to select module according to select command, and only allow Bluetooth signal to be received into through amplifying, transfer to blue-tooth device 20a again.
By the above detailed description of preferred embodiments, hope can be known description feature of the present utility model and spirit more, and is not to come scope of the present utility model is limited with above-mentioned disclosed preferred embodiment.On the contrary, its objective is that hope can contain in the scope of the claim that is alternatively to the desire application of the utility model institute of various changes and tool identity property.
Claims (1)
1. a bluetooth length is used to make two above blue-tooth devices can grow distance transmission mutually apart from the transmitted in both directions booster, it is characterized in that this transmission booster comprises:
One bluetooth module is in order to set up the bluetooth communication channel with described blue-tooth device;
One radio frequency power amplification module is in order to carry out the power amplification of a Bluetooth signal at the employed preset frequency of described bluetooth module; And
One selects module, transmits or reception this Bluetooth signal through amplifying in order to selectivity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201434111U CN201066845Y (en) | 2007-04-05 | 2007-04-05 | Bluetooth long-distance bidirectional transmission enhancer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201434111U CN201066845Y (en) | 2007-04-05 | 2007-04-05 | Bluetooth long-distance bidirectional transmission enhancer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201066845Y true CN201066845Y (en) | 2008-05-28 |
Family
ID=39484030
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201434111U Expired - Fee Related CN201066845Y (en) | 2007-04-05 | 2007-04-05 | Bluetooth long-distance bidirectional transmission enhancer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201066845Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103684545A (en) * | 2013-12-25 | 2014-03-26 | 深圳市国华光电科技有限公司 | Bluetooth communication extension system |
| CN104097609A (en) * | 2014-06-18 | 2014-10-15 | 杨尧任 | Automobile alarm system and method for carrying out long-distance alarm by utilizing Bluetooth communication system |
| CN109166578A (en) * | 2018-08-14 | 2019-01-08 | Oppo广东移动通信有限公司 | Mobile terminal, sound control method and Related product |
-
2007
- 2007-04-05 CN CNU2007201434111U patent/CN201066845Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103684545A (en) * | 2013-12-25 | 2014-03-26 | 深圳市国华光电科技有限公司 | Bluetooth communication extension system |
| CN104097609A (en) * | 2014-06-18 | 2014-10-15 | 杨尧任 | Automobile alarm system and method for carrying out long-distance alarm by utilizing Bluetooth communication system |
| CN109166578A (en) * | 2018-08-14 | 2019-01-08 | Oppo广东移动通信有限公司 | Mobile terminal, sound control method and Related product |
| CN109166578B (en) * | 2018-08-14 | 2021-05-11 | Oppo广东移动通信有限公司 | Mobile terminal, voice control method and related product |
| US11438643B2 (en) | 2018-08-14 | 2022-09-06 | Guangdong Oppo Mobile Telecommunications Corp., Ltd. | Terminal, method for voice control, and related products |
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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: 20080528 Termination date: 20110405 |