WO2008141526A1 - Wireless network telephone equipment with a hand-free earpiece - Google Patents

Abstract

A wireless network telephone equipment with a hand-free earpiece which can performing network voice communication through a wireless network is provided. The equipment integrates a wired earphone or a Bluetooth earphone which is used to be a hand-free earpiece into a wireless network telephone. When the earphone is placed in the wireless network telephone, audio information is outputted through the speaker of the wireless network telephone, otherwise, audio information is outputted through the earphone.

Description

 BACKGROUND OF THE INVENTION 1. Field of the Invention The invention relates to a wireless network telephone device having a hands-free handset, and more particularly to a network telephone communication via a wireless network, and having a wired headset mode hands-free call or a Bluetooth headset Mode-free wireless network telephony device. BACKGROUND OF THE INVENTION With the advancement of wireless technology and the popularity of the Internet, wireless Internet access has become a very common behavior in people's lives. Wireless networks have been built around people's lives, allowing people to go online through their laptops or mobile phones anytime, anywhere.

 In addition, with the popularity of the above wireless networks, the way to communicate through the network is also from simple electronic bulletin board (BBS), e-mail (E-mail), to later network instant messaging (ICQ, MSN...). And because the network bandwidth continues to increase, VoIP is also becoming a trend through the Internet. The mobile phone type wireless network telephone performs a network communication software and wirelessly connects with the host connected to the Internet to provide people with wireless network telephone communication.

However, when people use a mobile phone type wireless network phone to make a call, they need to hold the phone and listen to the other party in the immediate vicinity of the ear. This type of hand-held phone is used to make a call, so that people can use their hands when they use it. And it is prone to danger when driving in traffic. At the same time, the general wireless network phone is in use, and cannot simultaneously perform call and screen browsing or receive network information, thereby affecting the quality of the call. SUMMARY OF THE INVENTION Accordingly, the present invention is directed to a wireless network telephone device having a hands-free handset, capable of performing network telephone communication over a wireless network, and implementing a wired headset mode hands-free The call or a Bluetooth headset mode is free of calls, and the speakerphone function is achieved. At the same time, through the above-mentioned wired headset mode hands-free calling or Bluetooth headset mode hands-free calling implementation, and with the use of the display, the user can make a call while browsing the screen or receiving network information to improve the call quality.

 A wireless network telephone device with a hands-free receiver according to a 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 speaker, and a receiving line. Unit, a headset and a judgment unit.

 The wireless network telephone module is connected to the control module and connected to a wireless network to provide a network telephone communication service. The audio encoding/decoding unit is connected to the control module to provide conversion of analog audio and digital audio. A microphone is connected to the audio encoding/decoding unit. An audio switching module is coupled to the audio encoding/decoding unit as a switch for the audio output path. The speaker is connected to the audio switching module to output audio according to the switching action of the audio switching module. The wire take-up unit has a communication line for stretching or winding, one end of the communication line is connected to the audio switching module, and the other end is connected to the earphone, and 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 take-up unit, and is stretched or retracted according to the communication line to control the switching action of the audio switching module.

 A wireless network telephone device with a hands-free receiver according to a second embodiment of the present invention includes a Bluetooth headset having a signal transmission end and a telephone body having a headphone receiving slot and a control circuit board, wherein the earphone receiving slot can accommodate the Bluetooth The earphone is configured to electrically connect the signal transmission end of the Bluetooth headset to the control circuit board.

 The control circuit board includes a control module, a Bluetooth module, a wireless network telephone module, an audio encoding/decoding unit, a determination and charging circuit, an audio switching module, a speaker, a microphone and an echo cancellation circuit.

The Bluetooth module is connected to the control module, and is controlled by the control module to perform voice wireless transmission with the Bluetooth headset. The VoIP module is connected to the control module and is controlled by the control module to be connected to a wireless network to provide VoIP communication services. The audio encoding/decoding unit is coupled to the control module and is controlled by the control module to provide conversion of analog audio and digital audio. The determining and charging circuit is connected to the control module, and is configured to determine whether the earphone accommodating slot has a bluetooth earphone, and when the earphone accommodating slot accommodates the bluetooth earphone, Charge the Bluetooth headset. 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 to eliminate the resonance sound (ECHO) generated when the speaker and the microphone are activated.

 In the first embodiment and the second embodiment of the present invention, the wired headset mode hands-free call and the Bluetooth headset mode hands-free call are respectively implemented in the wireless network phone, so as to achieve the function of the wireless network phone hands-free handset, and further solve the problem. When people use a mobile phone type wireless network phone to make a call, the arm is numb, and it is prone to danger when driving.

 For a better understanding of the features and technical aspects of the present invention, reference should be made to the accompanying drawings. BRIEF DESCRIPTION OF DRAWINGS FIG. 1 is a schematic diagram of communication according to a first embodiment of the present invention;

 2 is a schematic view of a first embodiment of an operating environment of the present invention;

 3 is a block diagram of a circuit according to a first embodiment of the present invention;

 4 is a schematic structural view of a wire take-up unit according to a first embodiment of the present invention;

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

 6 is a schematic diagram of communication according to a second embodiment of the present invention;

 Figure 7 is a schematic view showing a second embodiment of the operating environment of the present invention;

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

 The reference numerals are as follows:

 10, 3 wireless network telephone device

 100 headphones

 101 take-up unit

 1010 trunking

1012 reel 1014 communication line

 1016 scroll spring

 102, 302 display

 103, 303 button module

 104, 304 speakers

 105, 305 microphone

 106, 306 control module

 107, 307 audio encoding / decoding unit

108, 308 echo cancellation circuit

109, 309 wireless network telephone module

110, 310 audio switching module

111, 311 memory unit 112 determining unit

 S1 incoming packet signal

S2 sound signal

S3 judgment signal

20 wireless network

30 phone body

301 headphone receiving slot

312 judgment and charging circuit

313 Bluetooth module

32 Bluetooth headset

320 signal transmission end

4 users

SW1 hooks

VBAT high potential signal source

R1 resistor

 G low potential signal source

UK U2 control chip

Ll, L2 inductor DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Referring to Figure 1, a communication diagram of a first embodiment of the present invention is shown. As shown in FIG. 1, the wireless network telephone device 10 of the present invention having a hands-free handset can be connected to the wireless network 20 and perform network telephone communication (VoIP) through the wireless network 20. The user can operate a button module 103 to perform dialing, answering, or related functions of various network telephones, 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 incoming audio through a speaker 104, and can also perform a call through a microphone 105 to reach the communication of the network telephone.

 FIG. 2 is a schematic diagram of a first embodiment of an operating environment of the present invention. The user 4 can bring the wireless network telephone device 10 of the present invention to the body and make it in communication with the wireless network 20. When the wireless network telephone device 10 makes an incoming call, the user 4 can hold the wireless network telephone device 10 and bring it directly to the ear of the user 4 to make a call. In addition, the user 4 can also stretch the communication line 1014 of the receiving 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 then cooperate with the microphone 105 to implement one. Headphones are free to talk mode. At the same time, the user 4 can use the headset to hold the call mode, and simultaneously perform the operation of talking and screen browsing or receiving network information, thereby improving the quality of the call.

 Referring to FIG. 1, please refer to FIG. 3, which is a block diagram of a circuit according to a 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 encoding/decoding unit 107, an echo cancellation circuit 108, a microphone 105, an audio switching module 110, a speaker 104, A line-receiving unit 101, an earphone 100, a memory unit 111 and a determining unit 112.

Referring to Figure 1, with reference to Figure 3, a wireless network telephony module 109 is coupled to the control module 106 and to the wireless network 20 to provide network telephony communication services. The audio encoding/decoding unit 107 is coupled to the control module 106 to provide conversion of 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 as a switching of the audio output path. The speaker 104 is connected to the audio switching module 110, according to the switching action of the audio switching module 110, Output audio. The wire take-up unit 101 has a communication line for stretching or winding. 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 determining unit 112 is connected to the audio switching module 110 and the 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 telephone module 109 to obtain an incoming packet signal S1 from the wireless network 20 by wireless communication technology, and outputs the incoming packet signal S1 by processing. A sound signal S2 is supplied to the audio encoding/decoding unit 107. The audio encoding/decoding unit 107 performs a decoding operation on the acoustic audio number S2, and decodes the digital audio signal number S2 into an analog form sound 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, thereby performing dialing, answering, or related functions of various network phones, and utilizing A display 102 coupled to the control module 106 performs a browse of the various functions.

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

The judging unit 112 outputs a high-potential or low-potential determination signal S3 to the audio switching module 110 according to the extension or retraction of the earphone 100 to the take-up unit 101, thereby controlling the switching of the transmission path of the sound signal S2, so as to be transmitted to the Speaker 104 or earphone 100. The low potential determination signal S3 controls the audio switching module 110 to send the acoustic audio number S2 to the speaker 104, through the speaker 104 to achieve the amplified output, and in conjunction with the microphone 105 connected to the echo cancellation circuit 108, the purpose of the call can be achieved. The high-potential determination signal S3 controls the audio switching module 110 to send the sound signal S2 to the earphone 100, and cooperates with the microphone 105 connected to the echo cancellation circuit 108 to achieve the purpose of the call. In the above, the echo cancellation circuit 108 is used to cancel the action of the speaker 104 and the microphone 105. When, the resulting resonance sound (ECHO).

 Further, the above-described manner of controlling the switching of the audio transmission path by using the high-potential or low-potential determination signal S3 is only an embodiment of the present invention. However, if other methods are used, the same effects as in the present embodiment can be achieved. It belongs to the inventive spirit of this embodiment.

 Referring to Fig. 3, please refer to Fig. 4, which is a schematic structural view of a wire take-up unit according to a 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 reel 1012, a communication wire 1014, and a scroll spring 1016. The reel 1012 and the scroll spring 1016 are pivoted to the slot 1010, and the communication line 1014 is wound around the rotatable reel 1012. The communication line 1014 is rotated by the scroll spring 1016 and the reel 1012 to be stretched or retracted. 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.

 Referring to FIG. 3 and FIG. 4, please refer to FIG. 5, which is a circuit diagram of the determining unit and the audio switching module according to the first embodiment of the present invention. As shown in FIG. 5, the determining 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 stretching or winding of the communication line 1014, thereby providing a high potential or low potential determination signal S3 to the audio switching module 110 to control the switching output of the sound signal S2.

 When the wireless network telephone device 10 makes an incoming call, if the user 4 selects to talk in the handheld mode, the wire 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 determination signal S3, and is sent to the audio switching module 110 through the resistor R1, so as to control the operation of the chip U1, and then the sound signal S2 is sent to the speaker through the inductor L1 through the control chip U1. 104 The sound is amplified, wherein the control chip U1 is of the type NLASB3157.

Further, if the user 4 selects to talk in the headset hands-free mode, the wire take-up unit 101 is in the stretched state, and the hook switch SW1 is in the closed state (ON). At this time, the high-potential signal source VBAT provides a high-potential determination signal S3, and is sent to the audio switching module 110, so that the chip U2 can be controlled to operate, and the sound signal S2 is sent to the earphone 100 through the inductor L2 through the control chip U2. Making a call, where the control chip The U2 model is NLASB3157.

 In summary, the wireless network telephone device 10 of the first embodiment of the present invention provides a headset-free call mode, which improves the user's 4 hands when using a mobile phone-type wireless network phone to make a call, and the traffic is driving. It is prone to dangerous disadvantages. Therefore, the wireless network telephone device 10 of the first embodiment of the present invention greatly assists the call quality and the call needs of people in life or work.

 Please refer to FIG. 6, which is a schematic diagram of communication according to a second embodiment of the present invention. As shown in Fig. 6, a wireless network telephone device 3 having a hands-free handset according to a second embodiment of the present invention can be connected to the wireless network 20 and perform network telephone communication (VoIP) through the wireless network 20. The VoIP device 3 includes a Bluetooth headset 32 having a signal transmission terminal 320 and a phone body 30 having a headphone accommodating slot 301 and a control circuit board (not labeled). The earphone accommodating slot 301 can accommodate the Bluetooth headset 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 button module 303 on the phone body 30 to perform dialing, answering, or related functions of various network phones, and use the display 302 on a 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 incoming audio through a speaker 304 and perform a call back through a microphone 305 to reach the communication of the network telephone. Or, the Bluetooth headset 32 is used for hands-free communication of the network telephone.

 FIG. 6, with reference to FIG. 7, is a schematic diagram of a second embodiment of the operating environment of the present invention. The user 4 can carry the wireless network telephone device 3 of the present invention to the body and make it in communication with the wireless network 20. When the wireless network telephone device 3 makes an incoming call, the user 4 can hold the wireless network telephone device 3 and bring it directly 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 Bluetooth headset hands-free calling mode. The user 4 can also use the Bluetooth headset to hold the call mode at the same time, and simultaneously perform the operation of calling and screen browsing or receiving network information, thereby improving the quality of the call.

Referring to FIG. 6, please refer to FIG. 8, which is a circuit block diagram of a telephone body according to a second embodiment of the present invention. The control circuit board in the telephone body 30 of the present invention comprises: a control module 306, a wireless network telephone module 309, an audio encoding/decoding unit 307, and a back The sound cancellation circuit 308, a microphone 305, an audio switching module 310, a speaker 304, a memory unit 311, a determination and charging circuit 312, and a Bluetooth module 313.

 Referring to FIG. 6 and FIG. 7, and referring to FIG. 8, the Bluetooth module 313 is connected to the control module 306, and is controlled by the control module 306 to perform voice wireless transmission with the Bluetooth headset 32. The VoIP module 309 is coupled to the control module 306, is controlled by the control module 306, and is coupled to the wireless network 20 to provide VoIP communication services. The audio encoding/decoding unit 307 is coupled to the control module 306 and is controlled by the control module 306 to provide conversion of analog audio to digital audio. The determining and charging circuit 312 is connected to the control module 306 for determining whether the earphone receiving slot 301 houses the Bluetooth headset 32. The determining and charging circuit 312 determines whether the Bluetooth earphone 32 is accommodated in the earphone accommodating groove 301 according to whether the signal transmitting end 320 of the Bluetooth earphone 32 is electrically connected thereto, and the Bluetooth earphone 32 is accommodated in the earphone accommodating groove 301. , charge the Bluetooth headset 32. The audio switching module 310 is coupled 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 the audio transmission path. The echo cancellation circuit 308 is coupled to the audio switching module 310, the speaker 304, and the microphone 305 for canceling 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 telephone module 309 to obtain an incoming packet signal S1 from the wireless network 20 by wireless communication technology, and by processing the incoming packet signal S1, A sound signal S2 is output to the audio encoding/decoding unit 307. The audio encoding/decoding unit 307 performs a decoding operation on the sound signal S2, and decodes the digital form sound signal S2 into an analog form sound signal S2.

At this time, the determination 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 incorporated in 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 determination and charging circuit 312 charges the Bluetooth headset 32 housed in the phone body 30. In the above, 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 generated when the speaker 304 and the microphone 305 are operated. Sound (ECHO).

 In addition, if the control module 306 knows that the Bluetooth headset 32 is separated from the phone body 30, that is, the audio switching module 310 is controlled to switch the audio transmission path, and 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 voice wireless transmission with the Bluetooth headset 32, thereby achieving the function of the wireless call.

 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, thereby performing dialing, answering, or related functions of various network phones, and The browsing of various functions is performed using a display 302 coupled to the control module 306.

 In summary, the present invention has a wireless network telephone device with a hands-free handset, which can perform network telephone communication through a wireless network, and can be implemented as a wired headset mode hands-free call or a Bluetooth headset mode hands-free call to achieve hands-free The function of the handset. At the same time, the user can be improved by the function of the speakerphone. When the mobile phone type wireless network phone is used for talking, the arm is numb and the danger is likely to occur when driving. Thus, the present invention greatly assists people in the quality of conversation and the need for conversation in life or work.

 Therefore, the present invention fully complies with the progressive requirements of the invention patent, so the application is filed according to the patent law. Please check and grant the invention in detail to protect the rights and interests of the inventor. If there is any doubt, please do not hesitate to give instructions.

 Therefore, the above description is only preferred embodiments of the present invention, and the features of the present invention are not limited thereto, and any changes or modifications that can be easily made by those skilled in the art in the field of the present invention are It may be covered by the scope of protection as defined by the appended claims.

Claims

Rights request A wireless network telephone device having a hands-free handset, comprising: a control module;  a wireless network telephone module connected to the control module and connected to a wireless network to provide a network telephone communication service;  An audio encoding/decoding unit is coupled to the control module, and the audio encoding/decoding unit provides conversion of analog audio and digital audio;  a microphone connected to the audio encoding/decoding unit;  An audio switching module is connected to the audio encoding/decoding unit as a switching of an audio output path;  a speaker connected to the audio switching module, according to the switching action of the audio switching module, to output audio;  a take-up unit having a communication line for stretching or winding, and one end of the communication line is connected to the audio switching module;  a headphone connected to the other end of the communication line, according to the switching action of the audio switching module, to output audio; and  A judging unit is connected to the audio switching module and the receiving 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 wireless network telephone device with a hands-free handset according to claim 1, further comprising an echo cancellation circuit, the echo cancellation circuit being coupled to the audio encoding/decoding unit, the audio switching module, and the microphone , used to eliminate the resonance sound generated when the speaker and the microphone are operated.  3. The wireless network telephone device with a hands-free handset according to claim 1, further comprising a display coupled to the control module.  The wireless network telephone device with the speakerphone of claim 1 , further comprising a button module connected to the control module, the button module providing a phone number and various function commands to the control module . 5. The wireless network telephone device with a hands-free handset according to claim 1, The method further includes a memory unit coupled to the control module, the memory unit storing a network communication software.  6 . The wireless network telephone device with a hands-free handset according to claim 1 , wherein the determining unit comprises 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. a signal source and the audio switching module, the hook switch performs switching according to stretching or winding of the communication line, thereby providing the high-potential or low-potential determination signal to the audio switching module to control the switching output of the output audio .  7 . The wireless network telephone device with a speakerphone according to claim 1 , wherein the wire take-up unit further comprises a wire slot, a reel and a scroll spring, the reel and the scroll The spring is pivotally disposed on the wire slot, and the communication wire is wound around the reel, and the communication wire is subjected to the scroll spring to be stretched or retracted.  8 . The wireless network telephone device with a hands-free handset according to claim 1 , wherein the determining unit controls the audio switching module to switch audio to the earphone output according to the stretching of the communication line, and according to The communication line is retracted to control the audio switching module to switch audio to the speaker output.  A wireless network telephone device having a hands-free handset, comprising: a Bluetooth headset having a signal transmission end;  a phone body having a headphone receiving slot and a control circuit board, wherein the earphone receiving slot can accommodate the Bluetooth earphone to electrically connect the signal transmitting end of the Bluetooth earphone to the control circuit board, the control circuit The board includes:  a control module;  a Bluetooth module is connected to the control module, and the Bluetooth module performs voice wireless transmission with the Bluetooth headset;  a wireless network telephone module connected to the control module, the wireless network telephone module being connected to a wireless network to provide a network telephone communication service;  An audio encoding/decoding unit is coupled to the control module, and the audio encoding/decoding unit provides conversion of analog audio and digital audio; a determining and charging circuit is connected to the control module, and the determining and charging circuit determines whether the earphone accommodating slot accommodates the bluetooth earphone, and accommodates the blue in the earphone accommodating slot Charging the Bluetooth headset when the headset is in use;  An audio switching module is connected to the control module, the bluetooth module and the audio encoding/decoding unit, and the audio switching module is controlled by the control module to switch the audio transmission path;  a speaker  a microphone; and  An echo cancellation circuit is connected to the audio switching module, the speaker and the microphone, and the echo cancellation circuit is configured to eliminate the resonance sound generated when the speaker and the microphone operate.  10. The wireless network telephone device with a hands-free handset according to claim 9, further comprising a display coupled to the control module.  The wireless network telephone device with a hands-free handset according to claim 9, further comprising a button module, wherein the button module is connected to the control module, and provides a telephone number and various function commands to the control Module.  12. The wireless network telephone device with a hands-free handset according to claim 9, further comprising a memory unit coupled to the control module, the memory unit storing a network communication software and a Bluetooth communication software.  The wireless network telephone device with a speakerphone according to claim 9, wherein the audio switching module switches audio to the speaker output when the Bluetooth headset accommodates the earphone receiving slot, and When the Bluetooth headset is cut away from the earphone receiving slot, the audio is switched to the Bluetooth headset output.