CN102957448A - Digital interphone with Bluetooth function - Google Patents
Digital interphone with Bluetooth function Download PDFInfo
- Publication number
- CN102957448A CN102957448A CN2012104576779A CN201210457677A CN102957448A CN 102957448 A CN102957448 A CN 102957448A CN 2012104576779 A CN2012104576779 A CN 2012104576779A CN 201210457677 A CN201210457677 A CN 201210457677A CN 102957448 A CN102957448 A CN 102957448A
- Authority
- CN
- China
- Prior art keywords
- module
- bluetooth
- digital
- decoding
- encoding
- 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.)
- Pending
Links
Images
Landscapes
- Interconnected Communication Systems, Intercoms, And Interphones (AREA)
Abstract
The invention provides a digital interphone with a Bluetooth function, which comprises a CPU (Central Processing Unit) control system module, a radio frequency transceiving module, an A/D (analog-to-digital) conversion module, an antenna module, a channel encoding and decoding functional module, a 4FSK modulating and demodulating module, a voice encoding and decoding module, an audio processing module, a power supply management module, a display module, a keyboard input module, an interface circuit module and a Bluetooth module, wherein the Bluetooth module is respectively connected with the CPU control system module and the power supply management module; and the Bluetooth module is in wireless communication with the antenna module. According to the invention, the Bluetooth module is integrated in the digital interphone, so that the digital interphone can utilize the short-distance low-cost wireless connection to replace the cable connection and the high-speed accurate transmission of data, images, voice and the like is implemented not only between the interphones, but also between all electronic equipment with the Bluetooth function.
Description
[technical field]
The present invention relates to a kind of electronics, particularly a kind of digital handset.
[background technology]
Along with the fast development of communication science and technology, the digital communication system has replaced traditional analog communication system with its outstanding performance gradually in increasing the application, become mainstream development direction in the communications field.Although the intercom market of present China is still analog-interphone and occupies an leading position, because the digital intercom function is utilized frequency spectrum resource efficiently, and has good communication quality and confidentiality, it is more and more extensive that digital handset will be employed.For all in the market digital handsets, find still to exist some shortcomings and improvement part: one, can only carry out simple voice, short message communication between the intercom, can not realize the transmission of image, video etc.Its two, intercom can only with intercom between communicate by letter, can not carry out with other electronic equipment the transmission of data, voice, image etc.Therefore, just there is certain limitation in the application of intercom.
[summary of the invention]
The technical problem to be solved in the present invention is to provide a kind of digital handset with Bluetooth function, has further promoted the function of digital handset, has widened its range of application.
The present invention is achieved in that a kind of digital handset with Bluetooth function, comprises system control cpu module, radio-frequency (RF) receiving and transmission module, analog-to-digital conversion module, Anneta module, channel coding/decoding functional module, 4FSK modulation /demodulation module, encoding and decoding speech module, audio processing modules, power management module, display module, keyboard input module and interface module; Described radio-frequency (RF) receiving and transmission module, Anneta module, channel coding/decoding functional module, 4FSK modulation /demodulation module, encoding and decoding speech module, display module, keyboard input module and interface module all are connected with described system control cpu module; Described Anneta module connects radio-frequency (RF) receiving and transmission module; Described analog-to-digital conversion module connects respectively radio-frequency (RF) receiving and transmission module and 4FSK modulation /demodulation module; Described audio processing modules also is connected with the encoding and decoding speech module; Described power management module connects respectively described system control cpu module, analog-to-digital conversion module, audio processing modules, channel coding/decoding functional module, 4FSK modulation /demodulation module and encoding and decoding speech module; Described digital handset also comprises a bluetooth module, and this bluetooth module connects respectively described system control cpu module, power management module connects, and this bluetooth module and described Anneta module wireless telecommunications.
Wherein, described bluetooth module further comprises Bluetooth RF module, Bluetooth link controller and the Bluetooth link hypervisor input/output module that connects successively, described Bluetooth RF module also connects an antenna, and described Bluetooth link hypervisor input/output module connects described system control cpu module.
Wherein, the working frequency range of described bluetooth module is the ISM band of 2.4GHz, and channel adopts 23 or 79, and channel spacing is 1MHz, adopts time division duplex; Modulation system is the GFSK of BT=0.5, and modulation index is 0.28～0.35.
Wherein, the transmitting set of described bluetooth module adopts the FM modulation system, and maximum transmission power is divided into 100mW (20dBm), 2.5mW (4dBm), and 1mW (0dBm) Three Estate, and in 4～20dBm scope, adopt power control.
Wherein, the data transmission rate of described bluetooth module is 1Mb/s, adopts the form of packet to press time slot transmission, every time slot 0.625 μ s.
Wherein, on described channel coding/decoding functional module, 4FSK modulation /demodulation module, encoding and decoding speech module integration one DSP or the nest plate.
The present invention has following advantage: the present invention is an integrated bluetooth module in digital handset, make it to utilize short distance, cheaply wireless connections replacement cables to connect, realization is not only between the intercom, and is that all have the at a high speed accurately transmission such as data, image, voice between the electronic equipment of Bluetooth function.In addition, intercom can also by and bluetooth earphone between carry out seamless switching, the convenient use.
[description of drawings]
The present invention is further illustrated in conjunction with the embodiments with reference to the accompanying drawings.
Fig. 1 is the system module figure of digital handset of the present invention.
Fig. 2 is the module map of bluetooth module in the digital handset of the present invention.
[embodiment]
As shown in Figure 1, the present invention has the digital handset of Bluetooth function, comprises system control cpu module 1, radio-frequency (RF) receiving and transmission module 2, analog-to-digital conversion module 3, Anneta module 4, channel coding/decoding functional module 5,4FSK modulation /demodulation module 6, encoding and decoding speech module 7, audio processing modules 8, power management module 9, display module 10, keyboard input module 11 and interface module 12; Described radio-frequency (RF) receiving and transmission module 2, Anneta module 4, channel coding/decoding functional module 5,4FSK modulation /demodulation module 6, encoding and decoding speech module 7, display module 10, keyboard input module 11 and interface module 12 all are connected with described system control cpu module 1; Described Anneta module 4 connects radio-frequency (RF) receiving and transmission module 2; Described analog-to-digital conversion module 3 connects respectively radio-frequency (RF) receiving and transmission module 2 and 4FSK modulation /demodulation module 6; Described audio processing modules 8 also is connected with encoding and decoding speech module 7; Described power management module 9 connects respectively described system control cpu module 1, analog-to-digital conversion module 3, audio processing modules 8, channel coding/decoding functional module 5,4FSK modulation /demodulation module 6 and encoding and decoding speech module 7; Described digital handset also comprises a bluetooth module 13, and this bluetooth module 13 connects respectively described system control cpu module 1, power management module * connects, and this bluetooth module 13 and described Anneta module 4 wireless telecommunications.Wherein, on described channel coding/decoding functional module 5,4FSK modulation /demodulation module 6, encoding and decoding speech module 7 integrated DSP or the nest plate.
Again as shown in Figure 2, described bluetooth module 13 further comprises Bluetooth RF module 131, Bluetooth link controller 132 and the Bluetooth link hypervisor input/output module 133 that connects successively, described Bluetooth RF module 131 also connects an antenna 134, and described Bluetooth link hypervisor input/output module connects described system control cpu module 1.
Described Bluetooth RF module 131: be used for receiving and transmitted signal.
Bluetooth link controller 132: be used for being responsible for processing baseband protocol and the conventional agreement of some other low layer (such as physical layer).
Bluetooth link hypervisor input/output module 133: be used for the main segmentation of being responsible for setting that base band connects and management, base band data and restructuring, multiplexed and definite service quality etc.
Operation principle of the present invention is: when the emission of Bluetooth RF signal is arranged, radiofrequency signal is carried out relevant treatment by other module of system control cpu module controls to signal, the Bluetooth link controller that then is connected to bluetooth module carry out with miscellaneous equipment between initiation, exchange, checking data of being connected etc.
Wherein, the working frequency range of described bluetooth module is ISM (industry, science, the medical science) frequency range of 2.4GHz, and channel adopts 23 or 79, and channel spacing is 1MHz, adopts time division duplex; Modulation system is the GFSK of BT=0.5, and modulation index is 0.28～0.35.The transmitting set of described bluetooth module adopts the FM modulation system, thereby can reduce the complexity of equipment.The maximum transmission power of described bluetooth module is divided into 100mW (20dBm), 2.5mW (4dBm), 1mW (0dBm) Three Estate, and in 4～20dBm scope, adopt power control, therefore, the distance of the effective communication between the bluetooth equipment is approximately 10～100m.The data transmission rate of described bluetooth module is 1Mb/s, adopts the form of packet to press time slot transmission, every time slot 0.625 μ s.In addition, for realize and miscellaneous equipment between interoperability and resource-sharing, the puppy parc that meets Bluetooth specification can be set, reach the purpose of complete compatibility.
Operating process of the present invention:
Step 1: at first open the Bluetooth function of intercom, near other bluetooth equipment of required communication detecting.
Step 2: both sides connect after opening bluetooth, carry out the transmission of information by key setting each other, can play secret effect.
Step 3: the complete meeting of communication receives promptings such as " file transfer are finished ", then can close bluetooth, perhaps communicates between continuation and other bluetooth equipment.If switch with bluetooth earphone, then directly engaging in the dialogue by earphone and other intercom gets final product.
In sum, the present invention is an integrated bluetooth module in digital handset, make it to utilize short distance, cheaply wireless connections replacement cables to connect, realization is not only between the intercom, and is that all have the at a high speed accurately transmission such as data, image, voice between the electronic equipment of Bluetooth function.The more important thing is that its confidentiality and anti-interference are also very good.In addition, intercom can also by and bluetooth earphone between carry out seamless switching, give the encoding and decoding speech module coding when the speech data that receives by audio processing modules and become digital signal, then pass to bluetooth module, bluetooth module is converted to wireless signal transmission with digital signal and goes out and pass to earphone, just realized the seamless switching between intercom and the bluetooth earphone, the convenient use.
Although more than described the specific embodiment of the present invention; but being familiar with those skilled in the art is to be understood that; our described specific embodiment is illustrative; rather than for the restriction to scope of the present invention; those of ordinary skill in the art are in modification and the variation of the equivalence of doing according to spirit of the present invention, all should be encompassed in the scope that claim of the present invention protects.
Claims (6)
1. the digital handset with Bluetooth function comprises system control cpu module, radio-frequency (RF) receiving and transmission module, analog-to-digital conversion module, Anneta module, channel coding/decoding functional module, 4FSK modulation /demodulation module, encoding and decoding speech module, audio processing modules, power management module, display module, keyboard input module and interface module; Described radio-frequency (RF) receiving and transmission module, Anneta module, channel coding/decoding functional module, 4FSK modulation /demodulation module, encoding and decoding speech module, display module, keyboard input module and interface module all are connected with described system control cpu module; Described Anneta module connects radio-frequency (RF) receiving and transmission module; Described analog-to-digital conversion module connects respectively radio-frequency (RF) receiving and transmission module and 4FSK modulation /demodulation module; Described audio processing modules also is connected with the encoding and decoding speech module; Described power management module connects respectively described system control cpu module, analog-to-digital conversion module, audio processing modules, channel coding/decoding functional module, 4FSK modulation /demodulation module and encoding and decoding speech module; It is characterized in that: described digital handset also comprises a bluetooth module, and this bluetooth module connects respectively described system control cpu module, power management module connects, and this bluetooth module and described Anneta module wireless telecommunications.
2. the digital handset with Bluetooth function according to claim 1, it is characterized in that: described bluetooth module further comprises Bluetooth RF module, Bluetooth link controller and the Bluetooth link hypervisor input/output module that connects successively, described Bluetooth RF module also connects an antenna, and described Bluetooth link hypervisor input/output module connects described system control cpu module.
3. the digital handset with Bluetooth function according to claim 1 and 2, it is characterized in that: the working frequency range of described bluetooth module is the ISM band of 2.4GHz, and channel adopts 23 or 79, and channel spacing is 1MHz, adopts time division duplex; Modulation system is the GFSK of BT=0.5, and modulation index is 0.28～0.35.
4. the digital handset with Bluetooth function according to claim 1 and 2, it is characterized in that: the transmitting set of described bluetooth module adopts the FM modulation system, maximum transmission power is divided into 100mW (20dBm), 2.5mW (4dBm), 1mW (0dBm) Three Estate, and in 4～20dBm scope, adopt power control.
5. the digital handset with Bluetooth function according to claim 1 and 2, it is characterized in that: the data transmission rate of described bluetooth module is 1Mb/s, adopts the form of packet press time slot transmission, every time slot 0.625 μ s.
6. the digital handset with Bluetooth function according to claim 1 and 2 is characterized in that: on described channel coding/decoding functional module, 4FSK modulation /demodulation module, encoding and decoding speech module integration one DSP or the nest plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012104576779A CN102957448A (en) | 2012-11-14 | 2012-11-14 | Digital interphone with Bluetooth function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012104576779A CN102957448A (en) | 2012-11-14 | 2012-11-14 | Digital interphone with Bluetooth function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102957448A true CN102957448A (en) | 2013-03-06 |
Family
ID=47765763
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012104576779A Pending CN102957448A (en) | 2012-11-14 | 2012-11-14 | Digital interphone with Bluetooth function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102957448A (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104065401A (en) * | 2014-06-25 | 2014-09-24 | 青岛歌尔声学科技有限公司 | Voice transmission method based on HID bluetooth module and HID bluetooth voice communication device |
| CN104218966A (en) * | 2014-09-23 | 2014-12-17 | 泉州福顺达通讯科技有限公司 | Analog interphone |
| CN104363026A (en) * | 2014-11-24 | 2015-02-18 | 成都双奥阳科技有限公司 | Multifunctional interphone |
| CN105978593A (en) * | 2016-05-10 | 2016-09-28 | 深圳市吉声科技有限公司 | Interphone communication device and system |
| CN107769811A (en) * | 2017-12-05 | 2018-03-06 | 洪泉益 | A kind of logical intercom with DA compatibility one of the whole network |
| CN108235155A (en) * | 2018-01-22 | 2018-06-29 | 福建科立讯通信有限公司 | A kind of novel individual soldier's intercom system and its composing method |
| CN110266332A (en) * | 2019-07-22 | 2019-09-20 | 复汉海志(江苏)科技有限公司 | A kind of anti-tampering signal processing system and its method suitable for bluetooth headset |
| CN113572491A (en) * | 2021-07-13 | 2021-10-29 | 泉州市四方通讯器材有限公司 | Digital interphone remote communication method and interphone body |
| WO2023130318A1 (en) * | 2022-01-06 | 2023-07-13 | 海能达通信股份有限公司 | Communication device circuit, control method and communication device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1964471A (en) * | 2006-01-05 | 2007-05-16 | 宁波大学 | 2.4G public frequency band digital visual interphone and method to process audio image |
| CN201252543Y (en) * | 2008-08-13 | 2009-06-03 | 金纯� | Blue-tooth interphone and adapter thereof |
| CN201491091U (en) * | 2009-07-21 | 2010-05-26 | 深圳市保利天同通讯设备有限公司 | Digital interphone |
| CN102378316A (en) * | 2010-08-17 | 2012-03-14 | 北京迅光达通信技术有限公司 | Double-network digital mobile communication terminal and double-network communication method thereof |
-
2012
- 2012-11-14 CN CN2012104576779A patent/CN102957448A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1964471A (en) * | 2006-01-05 | 2007-05-16 | 宁波大学 | 2.4G public frequency band digital visual interphone and method to process audio image |
| CN201252543Y (en) * | 2008-08-13 | 2009-06-03 | 金纯� | Blue-tooth interphone and adapter thereof |
| CN201491091U (en) * | 2009-07-21 | 2010-05-26 | 深圳市保利天同通讯设备有限公司 | Digital interphone |
| CN102378316A (en) * | 2010-08-17 | 2012-03-14 | 北京迅光达通信技术有限公司 | Double-network digital mobile communication terminal and double-network communication method thereof |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104065401A (en) * | 2014-06-25 | 2014-09-24 | 青岛歌尔声学科技有限公司 | Voice transmission method based on HID bluetooth module and HID bluetooth voice communication device |
| CN104218966A (en) * | 2014-09-23 | 2014-12-17 | 泉州福顺达通讯科技有限公司 | Analog interphone |
| CN104363026A (en) * | 2014-11-24 | 2015-02-18 | 成都双奥阳科技有限公司 | Multifunctional interphone |
| CN105978593A (en) * | 2016-05-10 | 2016-09-28 | 深圳市吉声科技有限公司 | Interphone communication device and system |
| CN107769811A (en) * | 2017-12-05 | 2018-03-06 | 洪泉益 | A kind of logical intercom with DA compatibility one of the whole network |
| CN107769811B (en) * | 2017-12-05 | 2023-11-24 | 洪泉益 | Whole-network-communication and digital-analog compatible integrated interphone |
| CN108235155A (en) * | 2018-01-22 | 2018-06-29 | 福建科立讯通信有限公司 | A kind of novel individual soldier's intercom system and its composing method |
| CN110266332A (en) * | 2019-07-22 | 2019-09-20 | 复汉海志(江苏)科技有限公司 | A kind of anti-tampering signal processing system and its method suitable for bluetooth headset |
| CN113572491A (en) * | 2021-07-13 | 2021-10-29 | 泉州市四方通讯器材有限公司 | Digital interphone remote communication method and interphone body |
| CN113572491B (en) * | 2021-07-13 | 2022-09-23 | 泉州市四方通讯器材有限公司 | Digital interphone remote communication method and interphone body |
| WO2023130318A1 (en) * | 2022-01-06 | 2023-07-13 | 海能达通信股份有限公司 | Communication device circuit, control method and communication device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102957448A (en) | Digital interphone with Bluetooth function | |
| CN102026345B (en) | Wireless communication system | |
| US8929295B2 (en) | Radio equipment and radio base station | |
| CN111615195B (en) | Method and device for determining beam information and communication equipment | |
| CN103684550A (en) | Bluetooth signal transmission power adjusting system and mobile terminal | |
| US20150237505A1 (en) | Coexistence Operation Method And Related Wireless System | |
| WO2018219011A1 (en) | Data transmission method and communication device | |
| CN102215149A (en) | Communication method and communication system | |
| CN103716908A (en) | Indoor integration network system based on visible light communication and communication access method | |
| KR101152848B1 (en) | Digital wireless intercom system and method of driving the same | |
| US11916815B2 (en) | Methods and devices for enhancement on sounding reference signal (SRS) transmission signaling | |
| CN204272105U (en) | A kind of common template of digital handset | |
| WO2019242540A1 (en) | Method for beam management on unlicensed band, terminal device, and network device | |
| CN109275190A (en) | A kind of communication means and device | |
| CN110876201A (en) | Uplink transmission method and device | |
| CN203368504U (en) | Remote voice conversation system | |
| CN202085306U (en) | Sound output device, sound equipment and sound system | |
| WO2022077508A1 (en) | Synchronization signal block (ssb) transmission method, terminal device and network device | |
| CN203457176U (en) | Common-frequency bidirectional multimedia transmission system based on OFDM technologies | |
| CN203301471U (en) | Wireless communication device | |
| CN101778493A (en) | Terminal equipment supporting various network access modes, system and realization method | |
| CN105636242A (en) | Home office network based on Bluetooth technology | |
| CN203104415U (en) | Multi-output Zigbee transmitting device | |
| CN205377857U (en) | Digital interphone | |
| CN201263175Y (en) | Wireless earphone based on WLAN and system composed of wireless earphone and mobile terminal |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20130306 |