CN1256824A - Mobile communication terminal - Google Patents
Mobile communication terminal Download PDFInfo
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- CN1256824A CN1256824A CN 99800198 CN99800198A CN1256824A CN 1256824 A CN1256824 A CN 1256824A CN 99800198 CN99800198 CN 99800198 CN 99800198 A CN99800198 A CN 99800198A CN 1256824 A CN1256824 A CN 1256824A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
- H04W88/02—Terminal devices
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/24—Radio transmission systems, i.e. using radiation field for communication between two or more posts
- H04B7/26—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile
- H04B7/2628—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile using code-division multiple access [CDMA] or spread spectrum multiple access [SSMA]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J13/00—Code division multiplex systems
- H04J13/10—Code generation
- H04J13/12—Generation of orthogonal codes
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- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
A mobile communication terminal capable of transmitting data at transmission rates requested by users. In digital mode, a user specifies a communication rate on a console unit (22), and communication rate control means (20a) notifies a speech code processing section (71) and a transmitter circuit (5) of the specified communication rate. The speech code processing section (71) compresses a digital transmission signal supplied from a PCM code processing section (8) and converts the compressed signal into a format corresponding to the rate specified by a controller (20). The resulting signal is subjected to dispersion and quadrature modulation by a CDMA signal processing section (6). The transmitter circuit (5) combines the resulting signal and a local oscillator signal into a radio signal, and amplifies and transmits it in a burst according to the rate specified by the communication rate control means (20a).
Description
The present invention relates to the mobile communications device in a kind of communication system, be used for communicating by the data transfer rates of control example such as CDMA (code division multiple access) system changeably.
In the employing of routine for example in the mobile communication terminal of CDMA as the automobile telephone system of its communication mode, portable telephone system etc., thus according to the information that is sent for example the quantity of sound control communication rate changeably and communicate.
Fig. 1 is the block diagram that the configuration of conventional mobile communications device is shown.The mobile communications device that is shown among this figure is an apparatus of dual mode radio communication, it with the cdma communication pattern as its figure pattern and have simulation model.
When in this conventional mobile communications device figure pattern being set, commutation circuit 9 and the 14 switch-over control signal SWC1 according to control section 24 outputs switch to PCM code process part 8 sides.
According to this state, receive the radiofrequency signal (radiofrequency signal that later on be called reception) that with burst mode send by a digital communication channel from a base station (not shown) by antenna 1, and it is imported a receiving circuit (RX) 3 by an antenna multicoupler (DUP) 2.
In receiving circuit 3, the radiofrequency signal that is received is an intermediate-freuqncy signal with the local oscillated signal mixing of a reception of being exported from a frequency synthesizer (SYN) 4 it is carried out frequency inverted.Instruct the frequency of the receiving local oscillation signal that is generated by frequency synthesizer 4 according to the control signal SYC that comes from control section 24.In CDMA signal processing 6, the intermediate-freuqncy signal that is received is carried out quadrature demodulation, de-spread then, and be converted into data corresponding to the predetermined format of data rate.
The result of conversion is used as the data sound import code process part 7 of reception.The data of sign data rate are used as the data rate input control part 24 that receives in the data that receive.
Sound code process part 7 decompresses to the receive data that is obtained by CDMA signal processing 6 according to the data rate that receives of notifying from control section 24, and obtains then a digital received signal.
Is analog receiving signal by PCM code process part 8 with the digital received signal interpretation.This analog receiving signal is passed through commutation circuit 9 input-switching circuits 10.
Switching according to the switch-over control signal SWC2 control commutation circuit 10 that comes from control section 24.When on the jack 17 that will describe in the back not during the frames connecting with headphone (not shown), with sound amplifier 11 of analog receiving signal input, and amplify then output by an amplifier (not shown).
When having connected earphone on the jack 17, analog receiving signal is output to the lead-out terminal 171 of jack 17.
On the other hand, when on the jack 17 not during frames connecting with headphone, by microphone 12 speaker's sound import is sent the signal input as a simulation, and be input to PCM code process part 8 by commutation circuit 13 and 14 then.
In addition, when earphone was connected with jack 17, speaker's sound import was used as a simulation and sends signal by input terminal 172 inputs of earphone from jack 17, and this signal is input to PCM code process part 8 by commutation circuit 13 and 14.Control the switching of its circuit switched 13 according to switch-over control signal SWC2.
The simulation of input PCM code process part 8 sends signal and is carried out pcm encoder to be converted to a digital sending signal, and this signal is transfused to sound code process part 7.
In sound code process part 7, from the energy size of digital sending signal monitoring sound import, and according to the as a result specified data speed that detects.Digital sending signal is compressed to the pulse signal corresponding to the form of digital rate, and inputs to CDMA signal processing 6 as sending data.Data rate is used as the transmission data rate and is notified to control section 24.
Fig. 2 is the block diagram that the relation between the simulation transmission signal of importing PCM code process part 8 and the transmission data rate of the determining in sound code process part 7 is shown.Because the energy size of the sound import in the digital sending signal has increased, so sound code process part 7 has the pulse signal of the data rate form that has bigger speed step by step with the digital sending signal boil down to, as shown in the figure.
Orthogonal demodulation signal is the pulse signal corresponding to the speed of the energy size of above-mentioned sound import, as shown in Figure 3.
The transmission radiofrequency signal that only has live part to be exaggerated in transtation mission circuit 5 is sent into antenna 1 by antenna multicoupler, and carries out sending with burst mode from antenna 1 to the base station (not shown) then.
Then, be provided with under the state of simulation model, commutation circuit 9 and 14 switched to simulated sound circuit 15 sides according to switch-over control signal SWC1 from control section 24 outputs.
Under this state, receive the radiofrequency signal that is sent by the base station (not shown) by antenna 1 by the analogue communication channel, and by notch diplexer 2 input receiving circuits 3, and in receiving circuit 3, be intermediate-freuqncy signal with its frequency inverted.Be transfused to simulated sound circuit 15 from the intermediate-freuqncy signal that is received of receiving circuit 3 outputs.
In simulated sound circuit 15, generate the intermediate-freuqncy signal of reception as analog receiving signal by the FM modulation.This analog receiving signal is passed through commutation circuit 9 input-switching circuits 10.
Switching according to the switch-over control signal SWC2 control commutation circuit 10 that comes from control section 24, and whether commutation circuit 10 is connected the outlet terminal 171 that analog receiving signal is outputed to sound amplifier 11 or jack 17 with jack 17 according to earphone, and this point will be described later.
Whether in addition, link to each other with jack 17 according to earphone, speaker's sound import, and import simulated sound circuit 15 according to sending signal by commutation circuit 13 and 14 as simulation if importing from the input terminal 172 of jack 17 by microphone 12 or by earphone.
In simulated sound circuit 15, generate according to sending signal and carry out the modulation signal of FM modulation and it is imported transtation mission circuit 5.
In transtation mission circuit 5, modulation signal mixes mutually with transmission local oscillated signal corresponding to the radio frequency of the analogue communication channel that is generated by frequency synthesizer 4, thereby is radiofrequency signal with its up conversion, and High frequency amplification is predetermined output level.
Offered antenna 1 from the radiofrequency signal of transtation mission circuit 5 outputs by antenna multicoupler 2, and sent to the base station (not shown) from this antenna 1.
Control section 24 comprises that for example a microcomputer is controlled each part as its main logic unit.Control section 24 has the controlled function of carrying out recording/reproducing, for example by later on the memory portion of describing 21 being come the sound of recording/reproducing communication object, reaches to set up communication linkage with the base station (not shown) and carry out sound or the master control function of communicating by letter of data.
Key groups such as dial key, talk key, end key, volume control key, pattern assignment key are provided on control desk unit (CU) 22, the LCD indicating device that is used for the telephone number of display communication object terminal and the mode of operation of device etc., and the LED lamp of the discharge condition (promptly requiring battery 30 is charged) of expression battery 30.
When the plug with reservation shape inserted, jack 17 was electrically connected with earphone.Jack 17 comprises that the analog receiving signal that is used for being generated by received signal outputs to the lead-out terminal 171 of earphone, and will send the input terminal 172 that signal is input to commutation circuit 13 by the simulation of earphone input.
As mentioned above, in traditional mobile communications device, generation is corresponding to the radiofrequency signal of the traffic rate (transmission data rate) of the amount of transmission information such as for example sound, and only high frequency amplifies the live part of radiofrequency signal, and it is sent with burst mode.
Therefore, because transtation mission circuit 5 only amplifies the live part of radiofrequency signal, with the power consumption executive communication corresponding to the transmission amount of information, i.e. executive communication efficiently.
But in the mobile communications device of routine, the transmission data rate is automatically to change according to the amount of above-mentioned transmission information, so the user can not make it be adapted to any traffic rate.
Therefore, for example, if inconvenient people uses a special earphone on hearing, during speed outside transmission rate is set to full rate, therefore transtation mission circuit 5 intermediate frequency amplifying signals the problem that noise mixes with analoging sound signal may occur at receiver side.In addition, when the life-span of battery surpassed communication quality, the user can not send data rate and be set to a low rate.
The present invention is used to address the above problem, its purpose be to provide one can be with the mobile communications device of the rate sending data of customer requirements.
Another object of the present invention is to provide a mobile communications device that can send data with the desired speed range of user.
In addition, use a special headphones, also can clearly generate the mobile communications device of analoging sound signal at receiver side even another object of the present invention provides a hearing impaired people.
In order to achieve the above object, according to a kind of mobile communications device of the present invention, be used for setting up communication by changing transmission rate according to the information content that sends data with the base station that can be connected with a public network, comprise:
Signal generating apparatus is for the signal that described transmission data is converted to corresponding to the transmission rate of the information that receives from a user; And
Dispensing device is used to respond described transmission rate and amplifies the signal that obtains from described signal generating apparatus, and signal is sent to described base station.
In above-mentioned mobile communications device, the transmission data are converted into the signal corresponding to the transmission rate of the information that receives from the user, and according to transmission rate amplifying signal and transmission then.
Therefore, according to this mobile communications device, can send data to the base station with the transmission rate of user's appointment, and no matter amount of input information.
The invention is characterized in that described signal generating apparatus is converted to described transmission data from a transmission rate signal that the user received.
In above-mentioned mobile communications device, send data and be converted into signal corresponding to the transmission rate that directly receives from the user, and according to the transmission rate amplifying signal and send then.
Therefore, according to this mobile communications device, can send data to the base station with the transmission rate of user's appointment, and no matter amount of input information.
In addition, the invention is characterized in the request that receives a user when described signal generating apparatus, when requiring to save battery, described signal generating apparatus is converted to predetermined low-rate signal with described transmission data.
In above-mentioned mobile communications device, ask to save battery according to the user, send data and be converted into corresponding to the signal of being scheduled to low rate, and according to transmission rate amplifying signal and then transmission.
Therefore,, in the time will saving battery, can send data to the base station with low transmission rate according to this mobile communications device, and no matter amount of input information.
In addition, the invention is characterized in that described signal generating apparatus is converted to predetermined two-forty signal with described transmission data when described signal generating apparatus reception user asks to require to give communication quality with priority.
In above-mentioned mobile communications device, give communication quality with priority according to user's request, send data and be converted into corresponding to the signal of being scheduled to two-forty, and according to transmission rate amplifying signal and transmission then.
Therefore, according to this mobile communications device, in the time will giving communication quality with priority, can send data to the base station with high transmission rate, and no matter amount of input information.
In addition, according to the present invention, provide a kind of mobile communications device, be used for by changing transmission rate and can communicate with the base station that a public network links to each other according to the information content that sends data, described device comprises:
Signal generating apparatus is used for according to described transmission data message amount, and described transmission data are converted to signal corresponding to the transmission rate in the scope of the information that receives from a user; And
Dispensing device is used to respond described transmission rate and amplifies the signal that obtains from described signal generating apparatus, and signal is sent to described base station.
In above-mentioned mobile communications device, send data and be converted into corresponding to signal by the transmission rate in the scope of user's appointment, and according to transmission rate amplifying signal and transmission then.
Therefore, according to this mobile communications device, can be send sending data to the base station by the transmission rate in the scope of user's appointment, and no matter amount of input information.
In addition, the invention is characterized in that described signal generating apparatus is converted to described transmission data the signal of the transmission rate in the scope that the user received.
In above-mentioned mobile communications device, send data and be converted into corresponding to direct signal by the transmission rate in the scope of user's appointment, and according to transmission rate amplifying signal and then transmission.
Therefore, according to this mobile communications device, can be send sending data to the base station by the transmission rate in the scope of customer requirements, and no matter amount of input information.
In addition, the invention is characterized in that described signal generating apparatus receives a user's request, when requiring to give the conserve batteries priority, described signal generating apparatus is converted to the signal that is lower than the set rate scope with described transmission data.
In above-mentioned mobile communications device, ask to save battery according to the user, send the signal that data are converted into the scope that is lower than set rate, and according to transmission rate amplifying signal and then transmission.
Therefore, according to this mobile communications device, in the time will saving battery, can send data to the base station with a transmission rate of low scope, and no matter amount of input information.
In addition, the invention is characterized in that described signal generating apparatus is converted to the signal that is higher than set rate with described transmission data when described signal generating apparatus reception user asks to require to give communication quality with priority.
In above-mentioned mobile communications device, give communication quality with priority according to user's request, send the signal that data are converted into the scope that is higher than set rate, and according to transmission rate amplifying signal and transmission then.
Therefore, according to this mobile communications device, in the time will giving communication quality with priority, can send data to the base station with a transmission rate of high scope, and no matter amount of input information.
In order to arrive above-mentioned purpose, the invention provides a kind of mobile communications device in addition, be used for by changing transmission rate and can communicate with the base station that a public network links to each other according to the information content that sends data, described device comprises:
Jockey is used for linking to each other with the sound input/output device that is used for I/O sound;
Connect checkout gear, whether link to each other with described jockey for detection of described Speech input/output device;
The pulse signal generating apparatus is used for when described joint detection device detects the connection of described sound input/output device described transmission data being converted to the pulse signal of predetermined transmission; And
Dispensing device is used for sending the pulse signal that obtains from described pulse signal generating apparatus according to described predetermined transmission rate.
In above-mentioned mobile communications device, when the connection checkout gear detects the connection of Speech input/output device, send the pulse signal that data are converted into predetermined transmission, and according to transmission rate, dispensing device will be sent by the pulse signal that the pulse signal generating apparatus obtains.
Therefore according to mobile communications device, if the transmission rate of a high speed is arranged in the pulse signal generating apparatus as predetermined transmission, then when having connected a special headphones of preparing for hearing impaired people, can reduce the intermittent operation when amplifying the transmitted signal.Thereby, even use earphone, also can clearly generate the analoging sound signal of receiver side.
In addition, this transmission rate can be set by the user.
Fig. 1 is the block diagram that the configuration of conventional mobile communications device is shown.
Fig. 2 be illustrate that simulation sends signal and the transmission data rate partly determined by the mobile communications device sound code process of Fig. 1 between the view of relation.
Fig. 3 is a view of explaining the relation between the size of the pulse signal that sends from the mobile communications device of Fig. 1 and sound import energy.
Fig. 4 is the block diagram that illustrates according to the configuration of the mobile communications device of the first embodiment of the present invention.
Fig. 5 is the block diagram that the configuration of mobile communications device according to a second embodiment of the present invention is shown.
Implement best mode of the present invention
(first embodiment)
Referring now to accompanying drawing locomotive function agent communication device is according to an embodiment of the invention described.Fig. 4 shows a configuration of this device, and it also has the cdma communication pattern as its figure pattern except simulation model.But, in Fig. 4, represent the part identical with the mobile communications device of the described routine of Fig. 1 by identical reference number.
In apparatus of dual mode radio communication, when being set to figure pattern, commutation circuit 9 and 14 is switched to PCM code process part 8 sides according to switch-over control signal SWC1 from control section 20 outputs.
Under this state, receive the radiofrequency signal (radiofrequency signal that is called reception later on) that sends with burst mode from the base station (not shown) by digital communication channel by antenna 1, and it is input to receiving circuit (RX) 3 by antenna multicoupler (DUP) 2.
At receiving circuit 3, the radiofrequency signal that is received with mix from frequency synthesizer (SYN) 4 receiving local oscillation signals of being exported being an intermediate-freuqncy signal with its frequency inverted.The frequency of the receiving local oscillation signal that is produced from frequency synthesizer 4 according to the control signal SYC indication that comes from control section 20.In CDMA signal processing 6, the intermediate-freuqncy signal that is received is carried out quadrature demodulation, de-spread then, and be converted to data corresponding to the predetermined format of data rate.
The result of conversion is used as receive data sound import code process part 71.The data of the data rate of sign reception data are used as the data rate input control section 20 of reception.
According to the rate of received data of notifying from control section 24, sound code process part 71 will decompress at the receive data that CDMA signal processing part branch obtains, and obtains then the digital received signal.
Is analog receiving signal by PCM code process part 8 with the digital received signal interpretation.By commutation circuit 9 with this analog receiving signal input-switching circuit 10.
Switching according to the switch-over control signal SWC2 control commutation circuit 10 that comes from control section 20.When the earphone (not shown) does not link to each other with later jack 17 with description, by an amplifier (not shown) analog receiving signal is imported sound amplifier 11 and amplified then its and output.When earphone linked to each other with jack 17, analog receiving signal was output to the lead-out terminal 171 of jack 17.
When earphone does not link to each other with jack 17, by microphone 12 speaker's sound import is imported as simulation transmission signal.By commutation circuit 13,14 input PCM code process parts 8.
In addition, when earphone links to each other with jack 17, by earphone speaker's sound import is imported from the input terminal 172 of jack 17, by commutation circuit 13 and 14 it is imported PCM code process part 8.Switching according to switch-over control signal SWC2 control commutation circuit 13.
The simulation of input PCM code process part 8 sends signal and is carried out pcm encoder being converted into digital sending signal, and sound import code process part 71.
In sound code process part 71, according to the size of digital sending signal detection acoustic energy and according to the as a result specified data speed that detects.Digital sending signal is compressed to the pulse signal corresponding to the form of data rate, and is transfused to CDMA signal processing 6 as sending data.To control section 20 notification data speed as sending data.
When specifying the transmission data rate by control section 20, sound code process part 71 is imported CDMA signal processing 6 as sending data with the digital sending signal boil down to corresponding to the pulse signal of the form of the speed of notifying from control section 20 and with pulse signal.
The transmission radiofrequency signal that only has live part to be exaggerated in transtation mission circuit 5 is sent into antenna 1 by antenna multicoupler, and carries out sending with burst mode from antenna 1 to the base station (not shown) then.
Then, be provided with under the state of simulation model, commutation circuit 9 and 14 switched to simulated sound circuit 15 sides according to switch-over control signal SWC1 from control section 20 outputs.
Under this state, receive the radiofrequency signal that is sent by the base station (not shown) by antenna 1 by the analogue communication channel, and by notch diplexer 2 input receiving circuits 3, and in receiving circuit 3, be intermediate-freuqncy signal with its frequency inverted.Be transfused to simulated sound circuit 15 from the intermediate-freuqncy signal that is received of receiving circuit 3 outputs.
In simulated sound circuit 15, generate the intermediate-freuqncy signal of reception as analog receiving signal by the FM modulation.This analog receiving signal is passed through commutation circuit 9 input-switching circuits 10.
Switching according to the switch-over control signal SWC2 control commutation circuit 10 that comes from control section 20, and whether commutation circuit 10 is connected the outlet terminal 171 that analog receiving signal is outputed to sound amplifier 11 or jack 17 with jack 17 according to earphone, and this point will be described later.
Whether in addition, link to each other with jack 17 according to earphone, speaker's sound import, and import simulated sound circuit 15 according to sending signal by commutation circuit 13 and 14 as simulation if importing from the input terminal 172 of jack 17 by microphone 12 or by earphone.
In simulated sound circuit 15, generate according to sending signal and carry out the modulation signal of FM modulation and it is imported transtation mission circuit 5.
In transtation mission circuit 5, modulation signal mixes mutually with transmission local oscillated signal corresponding to the radio frequency of the analogue communication channel that is generated by frequency synthesizer 4, thereby is radiofrequency signal with its up conversion, and High frequency amplification is predetermined output level.
In addition, control section 20 also has traffic rate setting and control device 20a as a new control function.When the user operated with designated communication speed in console unit 22, traffic rate setting and control device 20a arranged and send the traffic rate that data rate is user's appointment.
Then, the operation of mobile communications device when the user specifies the transmission data rate that communicates by using above-mentioned formation under the figure pattern will be described in.The operation of receiving system is same as the prior art, so omits herein, and only describes the operation of transmitting system.
When figure pattern is set, if the user comes designated communication speed in operating console unit 22 before communication, the traffic rate setting and the control device 20a of control section 20 just receive it, and the traffic rate that is received is used as and sends data rate and be notified to sound code process part 71 and transtation mission circuit 5.
Sound code process part 71 will be from the digital sending signal boil down to of the PCM code process part 8 input pulse signal corresponding to the form of the speed of being notified by traffic rate setting and control device 20a, and it is inputed to CDMA signal processing 6 as sending data.
As mentioned above, when communicating with figure pattern in the mobile communications device in above-mentioned formation, when user's specific data speed, carry out to send with the speed of appointment.
Therefore, for example, when hearing impaired people uses special headphones, if the user has specified high transmission data rate before communication, will reduce the interrupted quantity forwarded of the transmission signal in transtation mission circuit 5, thus variation that can stabilized supply voltage.
In addition, for example when battery life surpasses communication quality, if the user has specified a low transmission data rate, reduced the amplification time of the transmission signal in the transtation mission circuit 5 by low speed, thereby reduced power consumption.
That is, according to the said structure mobile communications device, send data rate and can be set to be sent by the speed of console unit 22 appointments by the user.
The invention is not restricted to the foregoing description.In the above-described embodiments, for example before communication, specify the transmission data rate.But, even accepted the change of speed in communication period, and be provided with the transmission data rate, also can obtain identical advantage.
In addition, the traffic rate setting and the control device 20a that accept to send the data rate upper and lower bound from the user can be assigned to this speed sound code process part 71 and transtation mission circuit 5, and sound code process part 71 and transtation mission circuit 5 can according to for example sound etc. send amount of information in limited range changeably control send data rate.
In addition, the request of accepting the user as traffic rate setting and control device 20a gives battery when saving priority, sends the low rate that data rate can be set to be scheduled to or be lower than a certain speed to communicate.
In addition, when the request of accepting the user as traffic rate setting and control device 20a considers that communication quality has priority, send the two-forty that data rate can be set to be scheduled to or be higher than a certain speed and communicate.
(second embodiment)
Mobile communications device according to another embodiment of the invention will be described now.Fig. 5 shows its structure, and it has figure pattern cdma communication pattern and simulation model.The part identical with the mobile communications device of first embodiment in being shown in Fig. 4 is marked with identical reference marker in Fig. 5, will mainly explain other parts now.
By being that hearing impaired people inserts the plug of earphone or the plug 400 of earphone 40 in jack 16, earphone and mobile communications device are electrically connected by jack 16.Jack 16 comprises and being used for to the lead-out terminal 161 of earphone output by the analog receiving signal of received signal generation, and is used for being sent by the simulation of earphone input to commutation circuit 13 inputs the input terminal 162 of signal.
Whether earphone joint detection part 23 monitoring earphone identification switches 163 are pressed.By this monitoring, earphone connects test section 23 and judges whether earphone 40 links to each other with jack 16.
The earphone of preparing for hearing impaired people 40 comprises plug 400, oscillating component 41 and vibration detecting part 42.Plug 400 comprises input terminal 400, lead-out terminal 402 and identification ledge 403.
When plug 400 linked to each other with jack 16, the simulation that input terminal 401 is electrically connected with lead-out terminal 161 to import by this terminal to oscillating component 41 inputs sent signal.
When plug 400 linked to each other with jack 16, the simulation that lead-out terminal 402 is electrically connected with input terminal 162 to be imported by vibration detecting part 42 to input terminal 162 inputs sent signal.
When using oscillating component 41, it contacts with people's ear-drum or the part close with ear-drum.Oscillating component 41 sends signal to the simulation by input terminal 401 inputs and is converted to vibration and vibration is communicated to ear-drum.
When using vibration detecting part 42, it contacts with people's head or neck.The sound that vibration detecting part 42 detection users send is input to lead-out terminal 402 as the signal of telecommunication that sends by the vibration of health and with it as simulation transmission signal.
Then, the operation that connects the earphone that is used to communicate by letter under the figure pattern by the mobile communications device that uses above-mentioned formation will be described in.The operation of receiving system is same as the prior art, and therefore the descriptions thereof are omitted, only describes the operation of transmitting system.
At first, when the earphone 40 that is hearing impaired people's preparation is connected with jack 16, press the earphone of identification switch 163 with ledge 403 by identification.Then, earphone connects the connection of test section 23 Test earphones 40 and should connect notice to control section 20.
When communication pattern was set to figure pattern and begins to communicate by letter, owing to notified the detection of above-mentioned connection, the traffic rate setting of control section 20 and control device 20b indication acoustic coding part 71 and transtation mission circuit sent data rate and are set to full rate.
In response to this, sound code process part 71 will be from the pulse signal of the digital sending signal boil down to full rate form of pcm encoder part 8 input, and with this signal as sending data input CDMA signal processing 6.
As mentioned above, in the mobile communications device of above-mentioned formation, communications setting is in the situation of figure pattern when earphone is connected, and rate is carried out and sent at full speed.
Therefore, when using special headphones 40, in transtation mission circuit 5, do not carry out the interrupted amplification of the transmission signal that sends signal, but amplify as unit carries out to send frame.Therefore the radiofrequency signal that receives by antenna 1 to the impact of the analog signal of receiver side with suppressed, thereby can clearly generate the reception analoging sound signal.
The invention is not restricted to the foregoing description.For example, in the above-described embodiments, when connecting earphone 40, traffic rate setting and control device 20b transmission rate are set to full rate.But, the invention is not restricted to this.If transmission rate is set to a two-forty except half rate, and compare the quantity that can reduce interrupted amplifieroperation in the automated variable transmission rate.Therefore can clearly generate the analoging sound signal of receiver side.Can this transmission rate be set by the user.
In addition, in the above-described embodiments, be that the earphone 40 that hearing impaired people prepares links to each other with mobile communications device before communication.When communication period has connected earphone 40, if detected this state and notified control section 20 and traffic rate setting and control device 20b send data rate and be set to full rate and communicate even connect test section 23 by earphone, also can obtain identical effect.
In addition, in the above-described embodiments, when earphone 40 was connected, traffic rate setting and control device 20b sent data rate and are set to full rate.
On the contrary, when connecting, traffic rate setting and control device 20b can send data rate according to controlling changeably in the speed range that is higher than a predetermined value such as transmission information content such as sound.Even under this structure, also can reduce the interrupted amplifieroperation quantity in the transtation mission circuit 5.Therefore, when using the earphone 40 of preparing for hearing impaired people, also can clearly generate the analoging sound signal of receiver side.Can the transmission data rate ranges be set by the user.
Much less, in the scope that does not exceed spirit of the present invention, can carry out various modifications to the present invention.
As mentioned above, in the present invention, be converted to the transmission rate signal and send the speed of changing according to will be sent data by the indicated information of user.Therefore, according to the present invention, providing can be with the mobile communications device of the rate sending data of user appointment.
In another invention, will send data according to the information of user's appointment and be converted to transmission rate signal in the limited range and the transmission of the signal after will changing then.Therefore according to the present invention, provide the mobile communications device that can send with the scope of user's appointment data.
In addition, in the present invention, when detecting the connection of Speech input/output device, will send data according to transmission rate and be converted to the predetermined transmission pulse signal, and the transmitted signal.Therefore, if one is told transmission rate to be set to predetermined transmission, when having connected the earphone of preparing for hearing impaired people, when the pulse signal that sends is exaggerated, can reduce the quantity of interrupted amplifieroperation and the radiofrequency signal that can suppress to receive to the influence of analog receiving signal.
Therefore, according to the present invention, provide to receive the analogue communication device that uses the special headphones of preparing for hearing impaired people that the analoging sound signal of receiver side also can clearly be provided.
Claims (13)
1 one kinds of mobile communications devices are used for by changing transmission rate and can communicate with the base station that a public network links to each other according to the information content that sends data, and described device comprises:
Signal generating apparatus is for the signal that described transmission data is converted to corresponding to the transmission rate of the information that receives from a user; And
Dispensing device is used to respond described transmission rate and amplifies the signal that obtains from described signal generating apparatus, and signal is sent to described base station.
2 mobile communications devices according to claim 1, wherein said signal generating apparatus is converted to described transmission data from a transmission rate signal that the user received.
3 mobile communications devices according to claim 1, wherein said signal generating apparatus receives a user's request, and when requiring to give the conserve batteries priority, described signal generating apparatus is converted to predetermined low-rate signal with described transmission data.
4 mobile communications devices according to claim 1 are wherein asked when described signal generating apparatus receives the user, and when requiring to give communication quality with priority, described signal generating apparatus is converted to predetermined two-forty signal with described transmission data.
5 one kinds of mobile communications devices are used for by changing transmission rate and can communicate with the base station that a public network links to each other according to the information content that sends data, and described device comprises:
Signal generating apparatus is used for according to described transmission data message amount, and described transmission data are converted to signal corresponding to the transmission rate in the scope of the information that receives from a user; And
Dispensing device is used to respond described transmission rate and amplifies the signal that obtains from described signal generating apparatus, and signal is sent to described base station.
6 mobile communications devices according to claim 5, wherein said signal generating apparatus are converted to described transmission data the signal of the transmission rate in the scope that the user received.
7 mobile communications devices according to claim 5, wherein said signal generating apparatus receives a user's request, and when requiring to give the conserve batteries priority, described signal generating apparatus is converted to the signal that is lower than the set rate scope with described transmission data.
8 mobile communications devices according to claim 5 are wherein asked when described signal generating apparatus receives the user, and when requiring to give communication quality with priority, described signal generating apparatus is converted to the signal that is higher than set rate with described transmission data.
9 one kinds of mobile communications devices are used for by changing transmission rate and can communicate with the base station that a public network links to each other according to the information content that sends data, and described device comprises:
Jockey is used for linking to each other with the sound input/output device that is used for I/O sound;
Connect checkout gear, whether link to each other with described jockey for detection of described Speech input/output device;
The pulse signal generating apparatus is used for when described joint detection device detects the connection of described sound input/output device described transmission data being converted to the pulse signal of predetermined transmission; And
Dispensing device is used for sending the pulse signal that obtains from described pulse signal generating apparatus according to described predetermined transmission rate.
10 mobile communications devices according to claim 9, wherein said transmission rate are the transmission rates that is provided with by the user.
11 mobile communications devices according to claim 9, wherein when described joint detection device detected the connection of described sound input/output device, described pulse signal generating apparatus was with the pulse signal of described transmission data transaction flank speed.
12 1 kinds of mobile communications devices are used for by changing transmission rate and can communicate with the base station that a public network links to each other according to the information content that sends data, and described device comprises:
Jockey is used for linking to each other with the sound input/output device that is used for I/O sound;
Connect checkout gear, whether link to each other with described jockey for detection of described Speech input/output device;
The pulse signal generating apparatus is used for when described joint detection device detects the connection of described sound input/output device described transmission data being converted to the pulse signal of the transmission rate that is higher than a predetermined value; And
Dispensing device is used for sending the pulse signal that obtains from described pulse signal generating apparatus according to the transmission rate by described pulse signal generating apparatus use.
13 according to the described mobile communications device of claim 9-12, and the live part of the pulse signal that wherein said dispensing device will be obtained by described pulse signal generating apparatus amplifies, and carries out sending with burst mode to described base station.
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP01116598A JP3665465B2 (en) | 1998-01-23 | 1998-01-23 | Mobile communication terminal device |
| JP11171/1998 | 1998-01-23 | ||
| JP10011171A JPH11215048A (en) | 1998-01-23 | 1998-01-23 | Mobile communication terminal device |
| JP11165/1998 | 1998-01-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1256824A true CN1256824A (en) | 2000-06-14 |
Family
ID=26346565
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 99800198 Pending CN1256824A (en) | 1998-01-23 | 1999-01-22 | Mobile communication terminal |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN1256824A (en) |
| WO (1) | WO1999038277A1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2022112832A (en) * | 2021-01-22 | 2022-08-03 | 東芝テック株式会社 | Communication device and communication method |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1995022857A1 (en) * | 1994-02-17 | 1995-08-24 | Motorola Inc. | Method and apparatus for controlling encoding rate in a communication system |
| US5671218A (en) * | 1994-04-28 | 1997-09-23 | Lucent Technologies Inc. | Controlling power and access of wireless devices to base stations which use code division multiple access |
| US5442625A (en) * | 1994-05-13 | 1995-08-15 | At&T Ipm Corp | Code division multiple access system providing variable data rate access to a user |
| US5822318A (en) * | 1994-07-29 | 1998-10-13 | Qualcomm Incorporated | Method and apparatus for controlling power in a variable rate communication system |
| US5629934A (en) * | 1995-06-30 | 1997-05-13 | Motorola, Inc. | Power control for CDMA communication systems |
-
1999
- 1999-01-22 WO PCT/JP1999/000247 patent/WO1999038277A1/en active Application Filing
- 1999-01-22 CN CN 99800198 patent/CN1256824A/en active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| WO1999038277A1 (en) | 1999-07-29 |
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