CN100362842C - Wireless telephone with data transmission function - Google Patents
Wireless telephone with data transmission function Download PDFInfo
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- CN100362842C CN100362842C CNB011005173A CN01100517A CN100362842C CN 100362842 C CN100362842 C CN 100362842C CN B011005173 A CNB011005173 A CN B011005173A CN 01100517 A CN01100517 A CN 01100517A CN 100362842 C CN100362842 C CN 100362842C
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Abstract
The present invention relates to a wireless telephone with the function of data transmission, which can be used for connecting a wire appliance for logging on a network, and the wireless telephone with the function of data transmission can cause the wire appliance for logging on a network to log on the network without any wire. In the present invention, a 2/4 wire converter is added to a handset part of the wireless telephone, the characteristic of the echo cancel of the 2/4 wire conversion of a base station is improved, and the present invention causes the characteristic of the echo cancel to conform to the characteristic of the direct network-logging process of a modulating and demodulating apparatus. Therefore, when a terminal appliance for logging on the network is connected with a handset by a communication connecting wire, the function of the wireless network-logging process can be completed in the range of the base station.
Description
Technical field
The present invention relates to a kind of radio telephone, be applied to communication, particularly relate to a kind of data-transformation facility that has, can be in order to be connected with the line equipment for surfing the net, the radio telephone that it can be got online without being tethered to a cable.
Background technology
Arriving along with cybertimes, various products of surfing the Net in response to and give birth to, in today that computer is popularized, anyone can pass through widely distributed telephone network, the whether punctual landing of the aircraft on the world that enters BBS with the PC in the family and unacquainted friend's dialogue or cooperation computer game together, the relevant airport of inquiry, quotations on the stock market, exchange quotations etc., also can be by academic network and each university's line of the whole world of education department, any data of consulting computer data.Modal network access is to utilize the PC with function of surfing the Net, for example for being equiped with modulator-demodulator, network card or the like, is connected to telephone line interface or grid line interface by grid line.
But, this kind network access only can provide the user in fixing place online, even use comparatively light notebook computer (notebook computer), still must find fixing telephone wire or grid line socket on the wall, communication wire is inserted, so still be confined to the position fixed.On the other hand, use mobile phone to connect notebook computer to get online without being tethered to a cable although have, wireless Internet services expense that it is high and not high transmission rate make prestige and step back; And the mode that mobile phone itself can be surfed the Net, it is too little then to be subject to its display screen again, the network Monthly Fee that the space of internal reservoir is limited and high; Therefore have convenience and reasonable prices expense concurrently, become the key factor that the product that can surf the Net now must be considered.
Summary of the invention
The objective of the invention is to provides a kind of radio telephone with data-transformation facility for addressing the above problem, and can it can be got online without being tethered to a cable in order to be connected with the line equipment for surfing the net, has the fast network access speed of wiring logging-on function, and only needs cheap wiring logging-on function expense.
For achieving the above object, radio telephone with data-transformation facility disclosed in this invention, it comprise a mobile phone and with its base part that connects with wireless telecommunications, this mobile phone mainly contains keyboard, 8 bit microprocessor controllers, radio-frequency module and the antenna that becomes two-way circuit to connect successively; This base partly mainly contains radio-frequency module and the 8 bit microprocessor controllers, antenna and the 2/4 line transducer that become two-way circuit to connect respectively with it, and the network controller and the joint that connect this 2/4 line transducer successively, characteristics are: partly have additional 2/4 line transducer at wireless telephonic mobile phone; And partly adopt the compensating equalization circuit to improve the characteristic of the conversion echo cancellation of its 2/4 line transducer at base, make it meet the directly characteristic of online of modulator-demodulator; And utilize a communication wire that one wiring logging-on function equipment is connected with joint on this mobile phone, can in the scope that base covered, finish the function of wireless Internet access.
Description of drawings
Below in conjunction with accompanying drawing shown in the embodiment, purpose of the present invention, structural feature and function thereof are described in further detail.
Fig. 1 is the schematic diagram of mobile phone of the present invention;
Fig. 2 is the schematic diagram of base of the present invention;
Fig. 3 is the circuit diagram of the present invention's 2/4 line transducer.
Embodiment
Radio telephone with data-transformation facility disclosed according to the present invention, based on existing wireless phone design, the 2/4 line conversion line drive/receiver that can link to each other with wiring (line) end of external modem (MODEM) is set up in mobile phone inside, and output interface can be the telephony interface of RJ11 joint; The base part then need be improved former exclusive for the 2/4 conversion echo cancellation characteristic of voice class than via design, makes it meet the characteristic of direct online.And change line drive/receiver at custom-designed 2/4 line of mobile phone end; be to drive as line by a single-ended/both-end input variable gain amplifier; one cancelling out echo matching network; one single-ended/both-end output variable gain amplifier is made receiver and is formed; and the output of 2/4 line transducer and input; will with the I/O end of radio telephone radio frequency (RF) module; join in the anaiog signal mode; its terminals then join with 1: 1 transformer coupling of 600 ohm of impedances; transformer will apply+and the 5V direct current is to the RJ11 joint; to make things convenient for the polar protective circuit in the external modem; energy conducting when modulator-demodulator inserts dialing; thereby make signal can be sent to mobile phone without distortion, carry out wireless data transmission.
As shown in Figure 1, mobile phone partly includes antenna 15, radio-frequency module 14,8 bit microprocessor controllers 18, one group of keyboard 17, microphone 12, loudspeaker 11,2/4 line transducer 13, joint 10 and power supply unit 16; Wherein wireless telephonic call function is not given unnecessary details at this, only the function with regard to transfer of data (online) is described in detail, wherein be provided with read-only memory (ROM) and dynamic random access memory (RAM) in the 8 bit microprocessor controllers 18, in order to detection signal receiving intensity (RSSI) and power supply unit 16 states, the order of transmitting-receiving communications protocol and the operation of being correlated with in mobile phone inside.In addition, joint 10 can certainly, not limit the RJ11 joint with the telephony interface of general RJ11 joint, and only need to carry out transfer of data and get final product, at this, be that example illustrates only with the RJ11 joint.
And the circuit diagram of 2/4 line transducer 13 as shown in Figure 3, can be selected the operational amplifier 43 of two low noises, high conversion rate for use, forms line drive, line receiver, and the echo cancellation circuit; And 2/4 line transducer 13 is for sending the input mode of both- end 44a, 44b, and in order to receive decoded anaiog signal, receiving terminal 45 then adopts the mode of single-ended output, anaiog signal with the coupling wireless transmission, certainly, be joint, single-ended or both-end and indefinite in response to radio-frequency module 14 analogies.
And in order to reach desirable conversion, resistance value need expire following condition:
R
Out=Z
Line/ 2 and R '=2R
In'
R wherein
OutBe resistance 30,38, Z
LineBe impedance 42, the equiva lent impedance of terminals just, R ' is a resistance 33,37, R
In' be resistance 34,39; In addition, resistance 31 is gain resistor, and resistance 32,35,36,40 and 41 is feedback resistance.Terminals then connect one 1: 1 isolating transformer (600 ohm of impedances), will apply+the 5V direct current is to the RJ11 joint, can distortionless dialing after external modem is connected, transmit data smoothly.On the other hand, keyboard 17 also must be set up a switch key (Voice/Data), in order to the operating state (conversation or online) of switch mobile phone.
And base part (see figure 2) includes antenna 20, radio-frequency module 21,8 bit microprocessor controllers 22,2/4 line transducer 24, network controller (DAA) 25, joint 26 and power supply unit 23; Wherein be provided with read-only memory (ROM) and dynamic random access memory (RAM) in the 8 bit microprocessor controllers 22, in order to detection signal receiving intensity (RSSI) and power supply unit 23 states, the order of transmitting-receiving communications protocol and the operation of being correlated with in base inside.2/4 line transducer 24 basically with 2/4 line transducer, the 13 similar (see figure 3)s of mobile phone, because of base also needs the conversion of voice, so 2/4 line transducer 24 needs to adopt the compensating equalization formulas.
And practical operation is quite simple, only need wiring logging-on function equipment, be the modulator-demodulator of notebook computer or PC or the like for example, utilize the joint 10 of communication wire and mobile phone to join, utilize switch key again, mobile phone is switched to online (Data) state get final product, so wireless Internet access can have the fast network access speed of wiring logging-on function, and only needs cheap wiring logging-on function expense.
In addition, if mobile phone more than two and the wiring logging-on function equipment more than two are arranged, can be by the login on base, switch mobile phone is communicated with, and can carry out wireless data transmission on wiring logging-on function equipment.
The present invention can be in order to connect needing the access terminals equipment of wiring logging-on function, except making it can get online without being tethered to a cable, also has following effect:
1. the online transmission speed can be up to 56Kbps V.90.
2. only need pay the expense of cheap wiring logging-on function.
3. by the switching of base, can make between the two access terminals equipment that link to each other with two mobile phones respectively, can make wireless data passing.
The above only is the present invention's preferred embodiment wherein, is not to be used for limiting practical range of the present invention; All are protection scope of the present invention and contain according to equal variation and modification that design of the present invention is done.
Claims (7)
1. radio telephone with data-transformation facility, include a mobile phone and with its base part that connects with wireless telecommunications, this mobile phone comprises keyboard, 8 bit microprocessor controllers, radio-frequency module and the antenna that becomes two-way circuit to connect successively; This base partly comprises radio-frequency module and the 8 bit microprocessor controllers, antenna and the 2/4 line transducer that become two-way circuit to connect respectively with this radio-frequency module, and the network controller and the joint that connect this 2/4 line transducer successively, it is characterized in that:
This mobile phone also includes one 2/4 line transducers and a joint that connects its radio-frequency module successively; And adopt the compensating equalization circuit to change the characteristic of conversion echo cancellation of 2/4 line transducer of this base; And can one wiring logging-on function equipment be connected on the joint of this mobile phone by a communication wire, and can in the scope that this base covered, make this wiring logging-on function equipment to get online without being tethered to a cable.
2. the radio telephone with data-transformation facility as claimed in claim 1, the joint that it is characterized in that this mobile phone are to be a RJ11 joint.
3. the radio telephone with data-transformation facility as claimed in claim 1 is characterized in that this wiring logging-on function equipment is the modulator-demodulator for a notebook computer.
4. the radio telephone with data-transformation facility as claimed in claim 1 is characterized in that this wiring logging-on function equipment is the modulator-demodulator for a PC.
5. the radio telephone with data-transformation facility as claimed in claim 1 is characterized in that the keyboard of this mobile phone also includes a switch key, in order to switch the operating state of this mobile phone.
6. the radio telephone with data-transformation facility as claimed in claim 1, the 2/4 line transducer that it is characterized in that this mobile phone also is connected with one 1: 1 isolating transformer, in order to apply the joint of direct current to this mobile phone, can distortionless dialing after this wiring logging-on function equipment is connected, transmit data smoothly.
7. the radio telephone with data-transformation facility as claimed in claim 6, the impedance that it is characterized in that this isolating transformer are to be 600 ohm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB011005173A CN100362842C (en) | 2001-01-10 | 2001-01-10 | Wireless telephone with data transmission function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB011005173A CN100362842C (en) | 2001-01-10 | 2001-01-10 | Wireless telephone with data transmission function |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1364024A CN1364024A (en) | 2002-08-14 |
| CN100362842C true CN100362842C (en) | 2008-01-16 |
Family
ID=4651651
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB011005173A Expired - Fee Related CN100362842C (en) | 2001-01-10 | 2001-01-10 | Wireless telephone with data transmission function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100362842C (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5390235A (en) * | 1993-06-23 | 1995-02-14 | Pcs Microcell International, Inc. | Cordless telephone system and switching control method therefor |
| US5778022A (en) * | 1995-12-06 | 1998-07-07 | Rockwell International Corporation | Extended time tracking and peak energy in-window demodulation for use in a direct sequence spread spectrum system |
| CN1040490C (en) * | 1992-07-14 | 1998-10-28 | 艾伦电信公司 | RF repeaters for time division duplex cordless telephone systems |
| CN1242664A (en) * | 1998-04-30 | 2000-01-26 | 皇家菲利浦电子有限公司 | Method of accessing meanu of base station of wireless telephone from handset of said telephone, with selection of access language |
| US6023628A (en) * | 1992-08-05 | 2000-02-08 | Pcs Wireless, Inc. | Base stations for TDD telephony and methods for operating the same |
-
2001
- 2001-01-10 CN CNB011005173A patent/CN100362842C/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1040490C (en) * | 1992-07-14 | 1998-10-28 | 艾伦电信公司 | RF repeaters for time division duplex cordless telephone systems |
| US6023628A (en) * | 1992-08-05 | 2000-02-08 | Pcs Wireless, Inc. | Base stations for TDD telephony and methods for operating the same |
| US5390235A (en) * | 1993-06-23 | 1995-02-14 | Pcs Microcell International, Inc. | Cordless telephone system and switching control method therefor |
| US5778022A (en) * | 1995-12-06 | 1998-07-07 | Rockwell International Corporation | Extended time tracking and peak energy in-window demodulation for use in a direct sequence spread spectrum system |
| CN1242664A (en) * | 1998-04-30 | 2000-01-26 | 皇家菲利浦电子有限公司 | Method of accessing meanu of base station of wireless telephone from handset of said telephone, with selection of access language |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1364024A (en) | 2002-08-14 |
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| SE01 | Entry into force of request for substantive examination | ||
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| PB01 | Publication | ||
| C14 | Grant of patent or utility model | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080116 Termination date: 20110110 |