CN101312470A - Wireless network telephone device with hand-free receiver - Google Patents

Abstract

The present invention provides a wireless network telephone device with a hands-free handset, which can perform Internet telephone communication via a wireless network, and integrates a retractable wired headset into the wireless network telephone to serve as a hands-free handset. In addition, the present invention can also integrate a Bluetooth headset into the wireless network telephone to serve as a hands-free handset.

Description

Wireless VoIP device with speakerphone

technical field

The present invention relates to a wireless network telephone device with a hands-free handset, especially a wireless network telephone device that can carry out network telephone communication through a wireless network, and has a wire earphone mode hands-free call or a bluetooth earphone mode hands-free call .

Background technique

With the advancement of wireless technology and the popularization of the Internet, wireless Internet access has become a very common behavior in people's lives. Wireless networks have been densely integrated in people's life circles, which allows people to surf the Internet anytime and anywhere through notebook computers or mobile phones.

In addition, with the popularity of the aforementioned wireless network, the way of communication through the network has also changed from simple electronic bulletin board (BBS), email (E-mail), to later network real-time messaging (ICQ, MSN...), more and more Due to the continuous improvement of network bandwidth, voice over IP (VoIP) via the Internet has gradually become popular. The mobile phone-type wireless Internet phone executes a network communication software and wirelessly connects with a host connected to the Internet to provide people with wireless Internet phone communication.

However, when people use a mobile phone-type wireless Internet phone to make a call, they need to hold the phone and put it close to the ear to hear the call from the other party. This action of holding the phone makes people feel numb when using it. And it is easy to be dangerous when driving in traffic. At the same time, when a general wireless Internet phone is in use, it is impossible to make a call and browse the screen or receive network data at the same time, which affects the quality of the call.

Contents of the invention

In view of this, the present invention provides a wireless network telephone device with a hands-free handset, which can carry out network telephone communication through a wireless network, and can implement a hands-free call in a wired earphone mode or a hands-free call in a bluetooth earphone mode, so as to achieve Hands-free function. At the same time, through the implementation of hands-free calling in wired headset mode or hands-free calling in bluetooth headset mode, combined with the use of a display, users can talk and browse the screen or receive network data at the same time, so as to improve the call quality.

The wireless network telephone device with hands-free handset provided by the first embodiment of the present invention includes a control module, a wireless network telephone module, an audio encoding/decoding unit, a microphone, an audio switching module, a loudspeaker, a receiving line unit, an earphone and a judging unit.

Wherein, the wireless network phone module is connected to the control module and connected to a wireless network to provide network phone communication service. The audio encoding/decoding unit is connected to the control module to provide conversion between analog audio and digital audio. The microphone is connected to the audio coding/decoding unit. The audio switching module is connected to the audio encoding/decoding unit to switch the audio output path. The loudspeaker is connected to the audio switching module, and outputs audio according to the switching action of the audio switching module. The take-up unit has a communication line that can be stretched or retracted. One end of the communication line is connected to the audio switching module, and the other end is connected to the earphone. The earphone outputs audio according to the switching action of the audio switching module. The judging unit is connected to the audio switching module and the wire take-up unit, and stretches or retracts according to the communication line to control the switching action of the audio switching module.

The wireless network telephone device with hands-free handset provided by the second embodiment of the present invention includes a Bluetooth earphone with a signal transmission end and a phone body with an earphone accommodating groove and a control circuit board, wherein the earphone accommodating groove can accommodate Bluetooth The earphone is used to electrically connect the signal transmission end of the bluetooth earphone to the control circuit board.

The control circuit board includes a control module, a bluetooth module, a wireless network phone module, an audio encoding/decoding unit, a judging and charging circuit, an audio switching module, a loudspeaker, a microphone and an echo cancellation circuit.

Wherein, the bluetooth module is connected to the control module, and is controlled by the control module to perform wireless voice transmission with the bluetooth earphone. The wireless network phone module is connected to the control module, controlled by the control module, and connected to a wireless network to provide network phone communication service. The audio encoding/decoding unit is connected to the control module and controlled by the control module to provide conversion between analog audio and digital audio. The judging and charging circuit is connected to the control module for judging whether a bluetooth earphone is accommodated in the earphone accommodating slot, and charging the bluetooth earphone when the earphone accommodating slot accommodates a bluetooth earphone. The audio switching module is connected to the control module, the bluetooth module and the audio encoding/decoding unit, and is controlled by the control module to switch the audio transmission path. The echo cancellation circuit is connected to the audio switching module, the speaker and the microphone, and is used to eliminate the resonance sound (ECHO) generated when the speaker and the microphone operate.

The aforementioned first embodiment and second embodiment of the present invention respectively implement the means of hands-free calling in wired earphone mode and hands-free talking in bluetooth earphone mode in the wireless Internet phone, so as to achieve the function of hands-free handset in the wireless Internet phone, and then solve the problem of When people hold a mobile phone-type wireless network phone to make a call, their arms are numb, and they are prone to dangerous shortcomings when driving in traffic.

In order to further understand the features and technical contents of the present invention, please refer to the following detailed description and drawings related to the present invention, but the attached drawings are only for reference and illustration, and are not intended to limit the present invention.

Description of drawings

FIG. 1 is a communication schematic diagram of the first embodiment of the present invention;

Fig. 2 is a schematic diagram of the first embodiment of the operating environment of the present invention;

Fig. 3 is a circuit block diagram of the first embodiment of the present invention;

Fig. 4 is a schematic diagram of the take-up unit mechanism of the first embodiment of the present invention;

5 is a schematic circuit diagram of a judging unit and an audio switching module according to the first embodiment of the present invention;

FIG. 6 is a communication schematic diagram of the second embodiment of the present invention;

7 is a schematic diagram of a second embodiment of the operating environment of the present invention; and

FIG. 8 is a schematic circuit block diagram of the phone body according to the second embodiment of the present invention.

Description of figure number:

Wireless VoIP device 10, 3

Headphones 100

Take-up unit 101

trunking 1010

Reel 1012

Communication line 1014

Spiral spring 1016

Display 102, 302

Button module 103, 303

Loudspeaker 104, 304

Microphone 105, 305

Control module 106, 306

Audio coding/decoding unit 107, 307

Echo cancellation circuit 108, 308

Wireless VoIP module 109, 309

Audio switching module 110, 310

Memory unit 111, 311

judgment unit 112

Incoming call packet signal S1

Sound signal S2

Judgment signal S3

Wi-Fi 20

Phone Body 30

Earphone accommodation slot 301

Judgment and charging circuit 312

Bluetooth module 313

Bluetooth headset 32

Signal transmission end 320

user 4

Hook switch SW1

High potential signal source VBAT

Resistor R1

Low potential signal source G

Control chip U1, U2

Inductor L1, L2

Detailed ways

Please refer to FIG. 1 , which is a communication schematic diagram of the first embodiment of the present invention. As shown in FIG. 1 , the wireless VoIP device 10 with a hands-free handset of the present invention can be connected to a wireless network 20 , and can perform VoIP communication (VoIP) through the wireless network 20 . The user can operate a button module 103 to dial and answer a phone number or various Internet phone related functions, and use a display 102 to browse various functions. When the wireless network telephone device 10 is in telephone communication, the user can obtain the audio of the incoming call through a speaker 104 , and can also make a reply through a microphone 105 to achieve network telephone communication.

In conjunction with FIG. 1 , refer to FIG. 2 , which is a schematic diagram of a first embodiment of the operating environment of the present invention. The user 4 can wear the wireless network telephone device 10 of the present invention on his body, and make it in a state of communicating with the wireless network 20 . When the wireless network phone device 10 receives a call, the user 4 can hold the wireless network phone device 10 and put it directly close to the ear of the user 4 to make a call. In addition, the user 4 can also stretch the communication line 1014 of a take-up unit 101 in the telephone device 10, and place the earphone 100 connected to the communication line 1014 on the ear of the user 4, and cooperate with the microphone 105 to implement a Hands-free call mode for the headset. At the same time, the user 4 can use the hands-free call mode of the headset to perform calls and screen browsing or receive network data operations at the same time, thereby improving the quality of calls.

In conjunction with FIG. 1 , please refer to FIG. 3 , which is a schematic circuit block diagram of the first embodiment of the present invention. The wireless network telephone device 10 of the present invention comprises: a control module 106, a wireless network telephone module 109, an audio code/decode unit 107, an echo cancellation circuit 108, a microphone 105, an audio switching module 110, a speaker 104 , a take-up unit 101 , an earphone 100 , a memory unit 111 and a judging unit 112 .

Referring to FIG. 1 and referring to FIG. 3 again, the wireless VoIP module 109 is connected to the control module 106 and connected to the wireless network 20 to provide VoIP communication services. The audio encoding/decoding unit 107 is connected to the control module 106 to provide conversion between analog audio and digital audio. The microphone 105 is connected to the audio encoding/decoding unit 107 . The audio switching module 110 is connected to the audio encoding/decoding unit 107 for switching the audio output path. The speaker 104 is connected to the audio switching module 110 , and outputs audio according to the switching action of the audio switching module 110 . The take-up unit 101 has a communication line that can be stretched or retracted. One end of the communication line is connected to the audio switching module 110 , and the other end is connected to the earphone 100 . The earphone 100 outputs audio according to the switching action of the audio switching module 110 . The judging unit 112 is connected to the audio switching module 110 and the wire take-up unit 101 , and is stretched or retracted according to the communication line to control the switching action of the audio switching module 110 .

The control module 106 executes a network communication software (such as SKYPE) in the memory unit 111, and controls the wireless network phone module 109 to obtain an incoming call packet signal S1 from the wireless network 20 with wireless communication technology, and processes the incoming call packet signal S1 to Output an audio signal S2 to the audio encoding/decoding unit 107 . The audio encoding/decoding unit 107 performs a decoding operation on the audio signal S2, and decodes the digital audio signal S2 into an analog audio signal S2.

The user can operate a button module 103 connected to the control module 106 to provide a phone number and various function commands to the control module 106, and then perform dialing and answering of the phone number or related functions of various Internet calls, and use A display 102 connected to the control module 106 is used to browse various functions.

The audio switching module 110 is connected to the audio encoding/decoding unit 107 and the judging unit 112 through the echo cancellation circuit 108, receives the analog audio signal S2, and is controlled by the judging unit 112 to switch the transmission path of the audio signal S2. In addition, the audio switching module 110 is further connected to the speaker 104 and the cable take-up unit 101, wherein the speaker 104 is used to provide the sound amplification function, and the cable take-up unit 101 is used to connect the earphone 100 so that the earphone 100 can be stretched and retracted. Line unit 101.

The judging unit 112 outputs a high-potential or low-potential judging signal S3 to the audio switching module 110 according to whether the earphone 100 is stretched or retracted in the take-up unit 101, and then controls the switching of the transmission path of the audio signal S2, so that it is sent to Speaker 104 or earphone 100 . The low-level judgment signal S3 controls the audio switching module 110 to send the audio signal S2 to the speaker 104, and the loudspeaker 104 achieves amplified output, and cooperates with the microphone 105 connected to the echo cancellation circuit 108 to achieve the purpose of conversation. The high-potential judgment signal S3 controls the audio switching module 110 to send the audio signal S2 to the earphone 100 , and cooperates with the microphone 105 connected to the echo cancellation circuit 108 to achieve the purpose of talking. In the foregoing, the echo cancellation circuit 108 is used to cancel the resonance sound (ECHO) generated when the speaker 104 and the microphone 105 operate.

In addition, the above method of controlling the switching of the audio transmission path by using the judgment signal S3 of high potential or low potential is only an embodiment of the present invention. It belongs to the inventive spirit of this embodiment.

In conjunction with FIG. 3 , please refer to FIG. 4 , which is a schematic diagram of the mechanism of the wire take-up unit according to the first embodiment of the present invention. The wire take-up unit 101 of the first embodiment of the present invention includes a wire groove 1010 , a wire reel 1012 , a communication wire 1014 and a spiral spring 1016 . Wherein, the wire reel 1012 and the volute spring 1016 are pivotally arranged in the wire groove 1010 , and the communication wire 1014 is wound on the rotatable wire reel 1012 . The communication wire 1014 can be stretched or retracted by the rotation of the spiral spring 1016 and the wire reel 1012 . And one end of the communication line 1014 is connected to the audio switching module 110 , and the other end is connected to the earphone 100 .

In conjunction with FIG. 3 and FIG. 4 , please refer to FIG. 5 , which is a schematic circuit diagram of the judging unit and the audio switching module according to the first embodiment of the present invention. As shown in FIG. 5 , the judging unit 112 includes a hook switch SW1. One end of the hook switch SW1 is connected to a high potential signal source VBAT, and the other end is connected to a low potential signal source G and the audio switching module 110 through a resistor R1. The hook switch SW1 switches the switch SW1 according to the extension or retraction of the communication line 1014 , and then provides a high-potential or low-potential judgment signal S3 to the audio switching module 110 to control the switching output of the audio signal S2 .

When the wireless VoIP device 10 receives a call, if the user 4 chooses to talk in the handheld mode, the take-up unit 101 is in the retracted state, and the hook switch SW1 is in the open state (OFF). At this time, the low-potential signal source G provides a low-potential judgment signal S3, and sends it to the audio switching module 110 through the resistor R1, so as to control the action of the chip U1, so that the sound signal S2 is sent through the inductor L1 and then through the control chip U1. to the speaker 104 for sound amplification, wherein the model of the control chip U1 is NLASB3157.

In addition, if the user 4 chooses to talk in the earphone hands-free mode, the take-up unit 101 is in a stretched state, and the hook switch SW1 is in a closed state (ON). At this time, the high-potential signal source VBAT provides a high-potential judgment signal S3, which is sent to the audio switching module 110, so as to control the action of the chip U2, so that the sound signal S2 is sent to the earphone 100 through the inductor L2 and then through the control chip U2. And make a call, wherein, the model of the control chip U2 is NLASB3157.

To sum up, the wireless VoIP device 10 of the first embodiment of the present invention provides a headset hands-free talking mode, which can improve user 4's arm numbness and numbness while driving in traffic while holding a mobile phone-type wireless VoIP phone. Dangerous shortcomings are prone to occur from time to time. Therefore, the wireless network telephone device 10 according to the first embodiment of the present invention can greatly help and facilitate people's call quality and call needs in life or work.

Please refer to FIG. 6 , which is a communication schematic diagram of the second embodiment of the present invention. As shown in FIG. 6 , the wireless VoIP device 3 with a hands-free handset according to the second embodiment of the present invention can be connected to a wireless network 20 , and can perform VoIP communication (VoIP) through the wireless network 20 . The wireless network phone device 3 includes a Bluetooth earphone 32 with a signal transmission terminal 320 and a phone body 30 with an earphone accommodating slot 301 and a control circuit board (not shown), wherein the earphone accommodating slot 301 can accommodate the Bluetooth earphone 32, The signal transmission end 320 of the Bluetooth headset 32 is electrically connected to the control circuit board.

In addition, the user can operate a key module 303 on the phone body 30 to dial and answer a phone number or various Internet phone related functions, and use a display 302 on the phone body 30 to browse various functions. At the same time, when the wireless network telephone device 3 is in telephone communication, the user 4 can obtain the audio of the incoming call through a loudspeaker 304 and answer the call through a microphone 305 to achieve the communication of the network telephone. Or, use the bluetooth earphone 32 to carry out the hands-free communication of Internet phone.

In conjunction with FIG. 6 , refer to FIG. 7 , which is a schematic diagram of a second embodiment of the operating environment of the present invention. The user 4 can wear the wireless network telephone device 3 of the present invention on his body, and make it in a state of communicating with the wireless network 20 . When the wireless network phone device 3 receives a call, the user 4 can hold the wireless network phone device 3 and put it directly close to the ear of the user 4 to make a call. In addition, the user 4 can also take out the bluetooth headset 32 and place it on the ear of the user 4 to implement a hands-free talking mode of the bluetooth headset. At the same time, the user 4 can use the bluetooth headset in the hands-free call mode to perform calls and screen browsing or receive network data operations at the same time, thereby improving the quality of calls.

In conjunction with FIG. 6 , please refer to FIG. 8 , which is a schematic circuit block diagram of the phone body according to the second embodiment of the present invention. The control circuit board in the phone body 30 of the present invention includes: a control module 306, a wireless network phone module 309, an audio coding/decoding unit 307, an echo cancellation circuit 308, a microphone 305, and an audio switching module 310 , a speaker 304 , a memory unit 311 , a judging and charging circuit 312 and a Bluetooth module 313 .

Referring to FIG. 6 and FIG. 7 , referring again to FIG. 8 , the Bluetooth module 313 is connected to the control module 306 , controlled by the control module 306 , and performs wireless voice transmission with the Bluetooth headset 32 . The wireless VoIP module 309 is connected to the control module 306, controlled by the control module 306, and connected to the wireless network 20 to provide VoIP communication services. The audio encoding/decoding unit 307 is connected to the control module 306 and controlled by the control module 306 to provide conversion between analog audio and digital audio. The judging and charging circuit 312 is connected to the control module 306 for judging whether the earphone accommodating slot 301 accommodates the Bluetooth earphone 32 . The judging and charging circuit 312 judges whether the Bluetooth headset 32 is accommodated in the earphone accommodating groove 301 according to whether the signal transmission end 320 of the Bluetooth earphone 32 is electrically connected to it, and when the Bluetooth earphone 32 is accommodated in the earphone accommodating groove 301 , charging the Bluetooth headset 32 . The audio switching module 310 is connected to the control module 306 , the Bluetooth module 313 and the audio encoding/decoding unit 307 , and is controlled by the control module 306 to switch audio transmission paths. The echo cancellation circuit 308 is connected to the audio switching module 310 , the speaker 304 and the microphone 305 to eliminate the resonance sound (ECHO) generated when the speaker 304 and the microphone 305 operate.

The control module 306 executes a network communication software (such as SKYPE) in the memory unit 311, and controls the wireless network phone module 309 to obtain an incoming call packet signal S1 from the wireless network 20 with wireless communication technology, and by processing the incoming call packet signal S1, To output an audio signal S2 to the audio encoding/decoding unit 307 . The audio encoding/decoding unit 307 performs a decoding operation on the audio signal S2, and decodes the digital audio signal S2 into an analog audio signal S2.

At this time, the judging and charging circuit 312 sends a notification command to the control module 306 to notify whether the Bluetooth headset 32 is separated from the phone body 30 . If the Bluetooth headset 32 is combined with the phone body 30, the control module 306 controls the audio switching module 310 to switch the audio transmission path, so that the audio encoding/decoding unit 307 establishes an audio transmission path with the speaker 304 and the microphone 305. At the same time, the judging and charging circuit 312 charges the Bluetooth headset 32 accommodated in the phone body 30 . In the foregoing, the audio switching module 310 is connected to the speaker 304 and the microphone 305 through the echo cancellation circuit 308 , and the echo cancellation circuit 308 is used to eliminate the resonance sound (ECHO) generated when the speaker 304 and the microphone 305 operate.

In addition, if the control module 306 learns that the Bluetooth headset 32 is separated from the phone body 30, it controls the audio switching module 310 to switch the audio transmission path, so that the audio encoding/decoding unit 307 and the Bluetooth module 313 establish an audio transmission path. At this time, the control module 306 controls the bluetooth module 313 to perform wireless voice transmission with the bluetooth headset 32, thereby achieving the function of wireless communication.

The user 4 can operate a button module 303 connected to the control module 306 to provide a phone number and various function commands to the control module 306, and then perform dialing and answering of the phone number or related functions of various Internet calls, and Use a display 302 connected to the control module 306 to browse various functions.

To sum up, the present invention is a wireless VoIP device with a hands-free handset, which can carry out VoIP communication through a wireless network, and can be implemented as a hands-free call in a wired headset mode or a hands-free call in a Bluetooth headset mode, so as to achieve hands-free communication. handset function. At the same time, the function of the hands-free handset can improve the disadvantages that the user's arms are sore and numb when talking with a mobile phone-type wireless Internet phone, and that dangers are prone to occur when driving in traffic. In this way, the present invention greatly helps and facilitates people's call quality and call needs in life or work.

The above are only the best specific embodiments of the present invention, but the features of the present invention are not limited thereto, and any changes or modifications that can be easily conceived by those skilled in the art within the field of the present invention are all possible. Covered in the patent scope of the present invention.

Claims (13)

1. A wireless network telephone device with a hands-free handset, characterized in that it comprises: a control module; A wireless VoIP module connected to the control module and connected to a wireless network to provide VoIP communication services; An audio encoding/decoding unit is connected to the control module, and the audio encoding/decoding unit provides conversion between analog audio and digital audio; a microphone connected to the audio coding/decoding unit; An audio switching module, connected to the audio coding/decoding unit, as a switching of the audio output path; A loudspeaker, connected to the audio switching module, to output audio according to the switching action of the audio switching module; A wire take-up unit with a communication line that can be stretched or retracted, and one end of the communication line is connected to the audio switching module; an earphone connected to the other end of the communication line to output audio according to the switching action of the audio switching module; and A judging unit is connected to the audio switching module and the wire take-up unit, and the judging unit is stretched or retracted according to the communication line to control the switching action of the audio switching module. 2. The hands-free wireless network telephone device as claimed in claim 1, further comprising an echo cancellation circuit connected to the audio encoding/decoding unit, the audio switching module and the The microphone is used to eliminate the resonance sound (ECHO) produced when the speaker and the microphone act. 3. The wireless network telephone device with hands-free handset as claimed in claim 1, further comprising a display connected to the control module. 4. The wireless network telephone device with a hands-free handset as claimed in claim 1, further comprising a key module connected to the control module, the key module provides a telephone number and various functional commands to the control module . 5. The wireless network telephone device with a hands-free handset as claimed in claim 1, further comprising a memory unit connected to the control module, and the memory unit stores a network communication software. 6. The wireless network telephone device with a hands-free handset as claimed in claim 1, wherein the judging unit includes a hook switch, one end of the hook switch is connected to a high potential signal source, and the other end is connected to a low potential The signal source and the audio switching module, the hook switch switches according to the stretching or retracting of the communication line, and then provides the judgment signal of high potential or low potential to the audio switching module to control the switching output of the output audio . 7. The wireless network telephone device with a hands-free handset as claimed in claim 1, wherein the wire take-up unit further comprises a wire groove, a wire reel and a volute spring, and the wire reel and the volute The spring is pivotally arranged on the wire groove, the communication wire is wound on the wire reel, and the communication wire is acted by the spiral spring and can be stretched or retracted. 8. The wireless network telephone device with a hands-free handset as claimed in claim 1, wherein the judging unit controls the audio switching module to switch the audio to the earphone output according to the stretching of the communication line, and according to The retraction of the communication line is used to control the audio switching module to switch the audio to the speaker output. 9. A wireless network telephone device with a hands-free handset, characterized in that it includes: A bluetooth earphone with a signal transmission end; A phone body has an earphone accommodating groove and a control circuit board, wherein the earphone accommodating groove can accommodate the bluetooth earphone, so that the signal transmission end of the bluetooth earphone is electrically connected to the control circuit board, and the control circuit Board includes: a control module; A bluetooth module is connected to the control module, and the bluetooth module and the bluetooth earphone perform voice wireless transmission; A wireless network phone module connected to the control module, the wireless network phone module is connected to a wireless network to provide network phone communication services; An audio encoding/decoding unit is connected to the control module, and the audio encoding/decoding unit provides conversion between analog audio and digital audio; A judging and charging circuit, connected to the control module, the judging and charging circuit judges whether the earphone accommodating slot accommodates the bluetooth earphone, and charges the bluetooth earphone when the earphone accommodating slot accommodates the bluetooth earphone; An audio switching module, connected to the control module, the Bluetooth module and the audio encoding/decoding unit, the audio switching module is controlled by the control module to switch the audio transmission path; a speaker; a microphone; and An echo canceling circuit is connected to the audio switching module, the speaker and the microphone, and the echo canceling circuit is used to cancel the resonance sound (ECHO) generated when the speaker and the microphone operate. 10. The wireless network telephone device with hands-free handset as claimed in claim 9, further comprising a display connected to the control module. 11. The wireless network telephone device with a hands-free handset as claimed in claim 9, further comprising a key module connected to the control module to provide a telephone number and various functional commands to the control module module. 12. The wireless network telephone device with a hands-free handset as claimed in claim 9, further comprising a memory unit connected to the control module, and the memory unit stores a network communication software and a bluetooth communication software. 13. The wireless network telephone device with a hands-free handset as claimed in claim 9, wherein the audio switching module switches the audio to the speaker output when the Bluetooth headset is accommodated in the earphone accommodating slot, and When the bluetooth earphone is cut off from the earphone accommodating slot, the audio is switched to the bluetooth earphone output.

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