CN2261705Y - Wireless telephone adapter - Google Patents
Wireless telephone adapter Download PDFInfo
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- CN2261705Y CN2261705Y CN94249045U CN94249045U CN2261705Y CN 2261705 Y CN2261705 Y CN 2261705Y CN 94249045 U CN94249045 U CN 94249045U CN 94249045 U CN94249045 U CN 94249045U CN 2261705 Y CN2261705 Y CN 2261705Y
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Abstract
The utility model relates to a wireless telephone adapter which is composed of a host machine of a fixed repeater and auxiliary machines of a plurality of mobile repeaters, wherein, the host machine is communicated with the auxiliary machines by a frequency modulation receiving unit 1, a frequency modulation transmitting part 2 and an antenna unit 6; the host machine comprises a pilot frequency oscillating unit 3, a pilot frequency decoding unit 4 and an interface unit 5; the host machine is connected with a telephone network by a circuit input connecting terminal 7, and the auxiliary machines are connected with ordinary telephones by telephone sockets 8. When the utility model is adopted, one auxiliary machine or a plurality of auxiliary machines and the ordinary telephones of the same number can be connected with each other so that the ordinary telephones can be converted to be used as cordless telephones; thereby, the cordless telephones which are far from the host machine about 30 meters can do cordless communication with the telephone network through the host machine. The utility model is suitable for the ordinary telephones of various grades and styles. The utility model has the advantages of simple structure and low cost.
Description
The utility model relates to the communications field, is specifically related to a kind of phone attachment device, more specifically to a kind of radio telephone transponder that makes plain old telephone become cordless telephone
The all convenience that can freely walk about and not brought by the telephone connection length restriction within the specific limits when existing cordless telephone provides conversation, but this cordless telephone price is higher, the alternative style of its profile is compared less with ordinary telephone set, if and existing cordless telephone replaced existing plain old telephone, then plain old telephone can not re-use, and causes waste.In addition, existing cordless telephone generally has only a machine tool and a handset, wishes to use phone in place separately if any an above user, and then having only a mobile phone is that handset is just a bit applied and used.
The purpose of this utility model is to provide a kind of radio telephone adapter, can utilize existing plain old telephone to realize the cordless telephone function, by this radio telephone adapter, one or more plain old telephone can be transformed into cordless portable part uses, neither make existing plain old telephone waste, can realize the wireless communication of any a plurality of mobile phone and public telephone network again.
The purpose of this utility model is to realize like this, construct a kind of radio telephone adapter by one fixedly the secondary machine of transponder main frame and a plurality of mobile transponder form, described fixedly transponder main frame comprises FM reception unit 1, frequency modulation radiating portion 2, pilot tone oscillating unit 3, pilot tone decoding unit 4 and telephone interface circuit unit 5, antenna element 6, telephone line input link 7, the rf inputs of described antenna element 6 and described FM reception unit 1, the radio-frequency (RF) output end of described frequency modulation transmitter unit 2 connects, the output of described FM reception part 1 and described telephone interface circuit unit 5, pilot tone decoding unit 4 connects, an output of described pilot tone decoding unit 4 is connected with described telephone interface circuit unit 5, described pilot tone oscillating unit 4 is connected with described telephone interface circuit unit 5, an output of described telephone interface circuit unit 7 is connected with another input of described rf transmitter unit 2, the output of described telephone interface circuit unit 5, an input of described pilot tone oscillating unit 3 is connected with described telephone line input link 7, in the secondary machine of described a plurality of mobile transponder each comprises FM reception unit 1 ', frequency modulation radiating portion 2 ', pilot tone oscillating unit 3 ', pilot tone decoding unit 4 ' and interface unit 5 ', antenna element 6 ', phone input socket 8, the rf inputs of described antenna element 6 ' and described FM reception unit 1 ', the radio-frequency (RF) output end of described frequency modulation transmitter unit 2 ' connects, the output of described FM reception part 1 ' and described telephone interface circuit unit 5 ', pilot tone decoding unit 4 ' connects, an output of described pilot tone decoding unit 4 ' is connected with described interface unit 5 ', described pilot tone oscillating unit 4 ' is connected with described interface unit 5 ', an output of described interface unit 5 ' is connected the output of described interface unit 5 ' with another input of described rf transmitter unit 2 ', an input of described pilot tone oscillating unit 4 ' is connected with described telephone socket 8.
The radio telephone adapter that provides according to the utility model, it is characterized in that, in the described FM reception part 1 and 1 ' each comprises input circuit unit 11, the frequency-selecting height is put unit 12, the first mixing unit 13, the first local oscillator unit 14, put unit 15 in first, pottery crystal oscillator unit 16, put unit 17 in second, double-t filter unit 18, the second mixing unit 19, the second local oscillator unit 1A, demodulating unit 1B, amplifying unit 1C, described input circuit unit 11 is connected described antenna element 6 and described frequency-selecting height is put between the unit 12, described frequency-selecting height is put unit 12 and is connected between described input circuit unit 11 and described first converter unit 13, the described first local oscillator unit 14 is connected with another input of described first converter unit 13, putting unit 15 in the output of the described first mixing unit 13 and described first is connected, described ceramic crystal oscillator unit 16 is connected to be put in described first between unit 15 and the described second mixing first input end, the described second local oscillator unit 1A is connected with second input of the described second mixing unit 19, the input of putting unit 17 in the output of the described second mixing unit 19 and described second is connected, the output of putting unit 17 in described second is connected with the input of described demodulating unit 1B, the output of described demodulating unit 1B is connected with described double-t filter unit 18, and the output of described double-t filter unit 18 is connected with described amplifying unit 1C.
The radio telephone adapter that provides according to the utility model, it is characterized in that, in the described frequency modulation radiating portion 2 and 2 ' each comprises: high frequency amplifying unit 21, exciting unit 22, buffer cell 23, modulating unit 24, the low unit 25 of putting, the described low output of putting unit 25 is connected with described modulating unit 24, the output of described modulating unit 24 is connected with described buffer cell 23, the output of described buffer cell 23 is connected with the input of described exciting unit 22, and the output of described exciting unit 22 is connected described high frequency amplifying unit 21 with the input of described high frequency amplifying unit 21 output is connected to described antenna element 6.
The radio telephone adapter that provides according to the utility model, it is characterized in that, in the described pilot tone oscillating unit 3 and 3 ' each comprises: ring control unit 31, ringing frequency unit 32, ring amplifying unit 33, loud speaker 34, the output of described ring control unit 31 is connected to the input of described ringing frequency unit 32, the output of described ringing frequency unit 32 is connected the input of ring amplifying unit 33, and the output of described ring amplifying unit 33 is connected to described ringing loudspeaker 34.
The radio telephone adapter that provides according to the utility model, it is characterized in that, in the described pilot tone decoding unit 4 and 4 ' each comprises: linguistic decoding unit 41, DC pulse generation unit 42, the output of demodulating unit 1B in the input of described linguistic decoding unit 41 and the described FM reception part 1 is connected, the output of described linguistic decoding unit 41 is connected with the defeated end of described DC pulse generation unit 42, and the output of described DC pulse generation unit 42 is connected with described interface unit 5.
The radio telephone adapter that provides according to the utility model, it is characterized in that, in the described interface unit 5 and 5 ' each comprises: emitter follower 51 and interface circuit 52, the input of described emitter follower 51 is connected with the output of amplifying unit 1C in the described FM reception unit 1, the output of described emitter follower 51 is connected with the input of described interface circuit 52, the input of described interface circuit 52 also is connected with the output of DC pulse generation unit 42, the output of described interface circuit 52 is connected with the low input of putting unit 25 in described frequency modulation radiating portion 2 or 2 ', and the output of described interface circuit 52 also is connected with described telephone line input splicing ear 7 or phone input socket 8.
The radio telephone adapter that provides according to the utility model, it is characterized in that, the rf frequency of described FM reception unit 1 and described frequency modulation radiating portion 2 ' is the same, and the rf frequency of described FM reception unit 1 ' and described frequency modulation radiating portion 2 is the same.
Radio telephone adapter of the present utility model in use, after main frame inserted local network, one or more secondary machine can be connected with the ordinary telephone set of as much, and described secondary machine and the machine of answering the call can be placed in 30 meters scopes of main frame circumference, during work, main frame will be transmitted to secondary machine by the radio frequency frequency modulated carrier from the ring signal and the speech signal of local network, and receive dialing signal and the speech signal that is sent by secondary machine.Make ordinary telephone set realize the function of cordless telephone.When using a plurality of secondary machines and mobile phone, make that a telephone line is that a plurality of users' uses become possibility.On the other hand, the utility model can cooperate the ordinary telephone set of any retaining time or style, and radio telephone transponder of the present utility model is simple in structure, and cost is lower.
In conjunction with the accompanying drawings, further specify embodiment of the present utility model.
Fig. 1 is the structural representation of radio telephone adapter of the present utility model;
Fig. 2 is the frame assumption diagram of the main frame in the radio telephone adapter of the present utility model;
Fig. 3 is the frame assumption diagram of the secondary machine in the radio telephone adapter of the present utility model;
Fig. 4 is the structure detail flowchart of the main frame in the radio telephone adapter of the present utility model;
Fig. 5 is the circuit theory diagrams of the main frame in the radio telephone adapter of the present utility model;
Fig. 6 is the circuit theory diagrams of the secondary machine in the radio telephone adapter of the present utility model.
As shown in Figure 1, radio telephone adapter of the present utility model is made up of a fixing machine 100 (main frame) and one or more moving sets machine (200,300,400) two parts.Each secondary machine is connected to an ordinary telephone set 201,301,401 respectively.Main frame and secondary machine are equipped with antenna, and main frame has the terminal of a connection telephone line, and secondary machine has a terminal that connects ordinary telephone set.During use, the line terminal of main frame is received local network, ordinary telephone set is received the telephone set terminal of secondary machine, this main frame is served as relaying and is transmitted task, be used for and be transmitted to mobile phone from the ring signal and the speech signal of local network by wireless carrier, and receive dialing signal and the speech signal that ordinary telephone set sends by secondary machine.Owing to do not have connecting line between secondary machine and the main frame, can be within the specific limits converse mutually by main frame and local network and other telephone subscribers.
Fig. 2 provides the composition structure of main frame in the radio telephone adapter of the present utility model, and therefrom as seen it comprises FM reception unit 1, frequency modulation radiating portion 2, pilot tone oscillating unit 3, pilot tone decoding unit 4 and telephone interface circuit unit 5, antenna element 6, telephone line input link 7.
Fig. 3 provides the composition structure of secondary machine in the radio telephone adapter of the present utility model, and it is connected with telephone line terminal 7 with different the former interface units 7 that are that the structure of main frame is formed, and the latter's interface unit 7 is connected with telephone set terminal 8.
Radio telephone transponder of the present utility model adopts frequency modulation diplex operation mode, and the transmission of all signals realizes by FM reception unit 1 and frequency modulation transmitter unit 2 between mobile phone and main frame.The frequency of Receiver And Transmitter is in correspondence with each other.2. pilot tone oscillating unit 3 and pilot tone decoding unit 4
Radio telephone transponder main frame of the present utility model and secondary machine are equipped with pilot tone oscillating unit 3 and pilot tone decoding unit 4.Pilot signal is modulated by transmitter with the speech signal and is launched during operating handset.Main frame is discerned them by corresponding pilot tone decoder.Only receiving that the pilot signal aft engine just enters user mode, simultaneously the purposes that by relay local network is dialled as dialing signal.The pilot signal of main frame is as the bell signal of mobile phone.3. interface unit 5
The function of the telephone line interface unit in the main frame of radio telephone transponder of the present utility model is: mobile phone voice signal and dialing signal that main frame receives are delivered to local network, and voice signal on the local network (comprising dialing tone, ring-back tone, busy tone) and local telephone network bell signal are launched from main frame.Mobile portable phone interface circuit function be by interface circuit to appended telephone set feed, the voice signal of telephone set is transmitted to main frame by radiating circuit, and is the pilot tone oscillator signal the dial impulse signal transition of phone.
In the circuit of the host machine part shown in Fig. 5, L2, Q1, Q2, Q3, L5, L6, L4, X1, X2, FL1, FL2, IC1 etc. have constituted FM reception unit 1, R4, D18, L10, L11, L12, L13, L14, Q7, Q8, Q9 have constituted frequency modulation transmitter unit 2, HL1, VR3, R47, R43, R78, C40, C67 have constituted pilot tone oscillating unit 3, IC2, Q5 and Z1 have constituted pilot tone decoding unit 4, and T1, T2, L8, L9, Z1 and Q4 have constituted telephone interface circuit unit 5.
It is as follows simply to specify operation principle again: during the circuit working of radio telephone transponder of the present utility model main frame is inserted local network, mobile phone connects common standard key formula double frequency phone and gets final product.1. mobile phone is breathed out
When pulse dialing (or) is equivalent to insert an ohmic load in telephone set line two ends when the telephone set off-hook, thereby the direct current pressure drop arranged on L8, L9, this voltage makes R75, and upward voltage drop is low, the 2 pin voltages of L324 are lower than 3 pin voltages, then 1 pin voltage uprises, and promptly the off-hook detection electric circuit inspection has gone out off hook signal.Then pilot tone produces circuit working, generates pilot signal, launches through transmitter.After main frame is received pilot signal, go out pilot signal by the speech decoding electric circuit inspection, then triode Q5 conducting, relay Z1 closure is connected local network.2. local telephone network incoming call
During the local telephone network incoming call, bell signal is through C41, R46 after directly will pressing, the photoelectrical coupler conducting, pilot generator work, pilot signal is launched through transmitter.After mobile phone is received pilot signal, detect amplification by the pilot detection circuit after, promote loud speaker by Q19 and send ring back tone.3. use:
During use main frame is connected local network, mobile phone connects phone and gets final product.
Claims (7)
1. radio telephone adapter, it is characterized in that by one fixedly the secondary machine of transponder main frame and a plurality of mobile transponder form, described fixedly transponder main frame comprises FM reception unit 1, frequency modulation radiating portion 2, pilot tone oscillating unit 3, pilot tone decoding unit 4 and telephone interface circuit unit 5, antenna element 6, telephone line input link 7, the rf inputs of described antenna element 6 and described FM reception unit 1, the radio-frequency (RF) output end of described frequency modulation transmitter unit 2 connects, the output of described FM reception part 1 and described telephone interface circuit unit 5, pilot tone decoding unit 4 connects, an output of described pilot tone decoding unit 4 is connected with described telephone interface circuit unit 5, described pilot tone oscillating unit 4 is connected with described telephone interface circuit unit 5, an output of described telephone interface circuit unit 7 is connected with another input of described rf transmitter unit 2, the output of described telephone interface circuit unit 5, an input of described pilot tone oscillating unit 3 is connected with described telephone line input link 7, in the secondary machine of described a plurality of mobile transponder each comprises FM reception unit 1 ', frequency modulation radiating portion 2 ', pilot tone oscillating unit 3 ', pilot tone decoding unit 4 ' and interface unit 5 ', antenna element 6 ', phone input socket 8, the rf inputs of described antenna element 6 ' and described FM reception unit 1 ', the radio-frequency (RF) output end of described frequency modulation transmitter unit 2 ' connects, the output of described FM reception part 1 ' and described telephone interface circuit unit 5 ', pilot tone decoding unit 4 ' connects, an output of described pilot tone decoding unit 4 ' is connected with described interface unit 5 ', described pilot tone oscillating unit 4 ' is connected with described interface unit 5 ', an output of described interface unit 5 ' is connected the output of described interface unit 5 ' with another input of described rf transmitter unit 2 ', an input of described pilot tone oscillating unit 4 ' is connected with described telephone socket 8.
2. radio telephone adapter according to claim 1, it is characterized in that, in the described FM reception part 1 and 1 ' each comprises input circuit unit 11, the frequency-selecting height is put unit 12, the first mixing unit 13, the first local oscillator unit 14, put unit 15 in first, pottery crystal oscillator unit 16, put unit 17 in second, double-t filter unit 18, the second mixing unit 19, the second local oscillator unit 1A, demodulating unit 1B, amplifying unit 1C, described input circuit unit 11 is connected described antenna element 6 and described frequency-selecting height is put between the unit 12, described frequency-selecting height is put unit 12 and is connected between described input circuit unit 11 and described first converter unit 13, the described first local oscillator unit 14 is connected with another input of described first converter unit 13, putting unit 15 in the output of the described first mixing unit 13 and described first is connected, described ceramic crystal oscillator unit 16 is connected to be put in described first between unit 15 and the described second mixing first input end, the described second local oscillator unit 1A is connected with second input of the described second mixing unit 19, the input of putting unit 17 in the output of the described second mixing unit 19 and described second is connected, the output of putting unit 17 in described second is connected with the input of described demodulating unit 1B, the output of described demodulating unit 1B is connected with described double-t filter unit 18, and the output of described double-t filter unit 18 is connected with described amplifying unit 1C.
3. radio telephone adapter according to claim 1, it is characterized in that, in the described frequency modulation radiating portion 2 and 2 ' each comprises: high frequency amplifying unit 21, exciting unit 22, buffer cell 23, modulating unit 24, the low unit 25 of putting, the described low output of putting unit 25 is connected with described modulating unit 24, the output of described modulating unit 24 is connected with described buffer cell 23, the output of described buffer cell 23 is connected with the input of described exciting unit 22, and the output of described exciting unit 22 is connected described high frequency amplifying unit 21 with the input of described high frequency amplifying unit 21 output is connected to described antenna element 6.
4. radio telephone adapter according to claim 1, it is characterized in that, in the described pilot tone oscillating unit 3 and 3 ' each comprises: ring control unit 31, ringing frequency unit 32, ring amplifying unit 33, loud speaker 34, the output of described ring control unit 31 is connected to the input of described ringing frequency unit 32, the output of described ringing frequency unit 32 is connected the input of ring amplifying unit 33, and the output of described ring amplifying unit 33 is connected to described ringing loudspeaker 34.
5. radio telephone adapter according to claim 1, it is characterized in that, in the described pilot tone decoding unit 4 and 4 ' each comprises: linguistic decoding unit 41, DC pulse generation unit 42, the output of demodulating unit 1B in the input of described linguistic decoding unit 41 and the described FM reception part 1 is connected, the output of described linguistic decoding unit 41 is connected with the defeated end of described DC pulse generation unit 42, and the output of described DC pulse generation unit 42 is connected with described interface unit 5.
6. radio telephone adapter according to claim 1, it is characterized in that, in the described interface unit 5 and 5 ' each comprises: emitter follower 51 and interface circuit 52, the input of described emitter follower 51 is connected with the output of amplifying unit 1C in the described FM reception unit 1, the output of described emitter follower 51 is connected with the input of described interface circuit 52, the input of described interface circuit 52 also is connected with the output of DC pulse generation unit 42, the output of described interface circuit 52 is connected with the low input of putting unit 25 in described frequency modulation radiating portion 2 or 2 ', and the output of described interface circuit 52 also is connected with described telephone line input splicing ear 7 or phone input socket 8.
7. radio telephone adapter according to claim 1, it is characterized in that, the rf frequency of described FM reception unit 1 and described frequency modulation radiating portion 2 ' is the same, and the rf frequency of described FM reception unit 1 ' and described frequency modulation radiating portion 2 is the same.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN94249045U CN2261705Y (en) | 1994-12-29 | 1994-12-29 | Wireless telephone adapter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN94249045U CN2261705Y (en) | 1994-12-29 | 1994-12-29 | Wireless telephone adapter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2261705Y true CN2261705Y (en) | 1997-09-03 |
Family
ID=33853749
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN94249045U Expired - Fee Related CN2261705Y (en) | 1994-12-29 | 1994-12-29 | Wireless telephone adapter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2261705Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100345135C (en) * | 2000-01-20 | 2007-10-24 | 索尼电脑娱乐公司 | Repeater for game machine |
-
1994
- 1994-12-29 CN CN94249045U patent/CN2261705Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100345135C (en) * | 2000-01-20 | 2007-10-24 | 索尼电脑娱乐公司 | Repeater for game machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |