CN2455022Y - SIM card type public telephone set - Google Patents
SIM card type public telephone set Download PDFInfo
- Publication number
- CN2455022Y CN2455022Y CN00243961U CN00243961U CN2455022Y CN 2455022 Y CN2455022 Y CN 2455022Y CN 00243961 U CN00243961 U CN 00243961U CN 00243961 U CN00243961 U CN 00243961U CN 2455022 Y CN2455022 Y CN 2455022Y
- Authority
- CN
- China
- Prior art keywords
- sim card
- wiring board
- circuit
- public telephone
- telephone set
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Telephone Set Structure (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
The utility model relates to an SIM card public telephone, which is composed of a casing, a liquid crystal display, a keyboard, external power supply connecting lines, a telephone card clamping groove, a microphone, an emergency telephone key, a time delay indicating light, an antenna, casing fixing pieces, a telephone card holder, a liquid crystal display circuit board, a key circuit board, a control board and a power board. The telephone card holder adopts an SIM card holder, the control board adopts mobile phone main board, and the power board is composed of a 12 V voltage stabilizing circuit, a 9 V charging circuit, a light control switch circuit and a time delay switch circuit. The installation of the public telephone is optional, and the utility model is suitable for the districts with digital mobile communication signal coverage and inconvenient wire communication cable laying.
Description
The utility model relates to a kind of SIM card cassette public telephone set, is specially digital mobile communication network SIM card cassette public telephone set.
At present, the public place in the many town and country of China is provided with the magnetic card type public telephone set of wire communication; In large-and-medium size cities, the popularity rate of mobile phone improves constantly, and public's communication is quick day by day and convenient; In addition simultaneously, also have considerable samll cities and towns, reason owing to less-developed or expense, make the cable of wire communication be difficult to arrive, and the development speed of digital mobile communication network is very fast, the region that wireless signal covers enlarges rapidly, if can avoid more expensive, the difficult problem not quite easily of constructing of wire communication cable laying, can make full use of the advantage of digital mobile communication network again, but cost that needn't staff one machine, will enlarge the common communication service face of low developed area, thereby promote the development of local society and economy.
The purpose of this utility model, it is random just to provide a kind of installation, and the convenient and safe a kind of SIM card cassette public telephone set of communicating by letter is specially wireless digital mobile communication network SIM card cassette public telephone set.
The purpose of this utility model is to realize by the design that the advantage with the critical piece of mobile phone combines with the characteristics of cassette public telephone set.
SIM card cassette public telephone set of the present utility model, by casing, LCDs, keyboard, external power line, phonecard draw-in groove, microphone, receiver, microphone cord, microphone is hung, emergency call button, time dalay indicator light, order wire, casing fixture, phonecard deck, the liquid crystal display wiring board, the button wiring board, control board and power panel constitute; LCDs, keyboard, microphone, receiver, microphone cord, microphone is hung, and emergency call button and time dalay indicator light are located on the phone panel; LCDs links to each other with the liquid crystal display wiring board, and keyboard links to each other with the button wiring board, control board and liquid crystal display wiring board, and the button wiring board, microphone cord, order wire and power panel link to each other; The emergency call button links to each other with power panel with time dalay indicator light; The casing fixture is located at the rear edge portion of casing; The phonecard deck is located in the phonecard draw-in groove; Wherein: order wire is an antenna, and is located at the top of casing; The phonecard deck adopts the SIM card deck, and this deck is by the SIM switch, the SIM card seat, plastic spacer, printed circuit, infrared transmitting tube, SIM card connects socket, the infrared detection head connects socket, SIM card stage clip, SIM card guide vane end stop, infrared receiving tube, following wiring board, last wiring board, wiring board combined block and circuit line composition up and down up and down; Control board adopts cell phone mainboard, and cell phone mainboard comprises: central processing unit, and IF-FRE is synthetic, voice coder, decoder, channel coding and decoding, voltage controlled oscillator, modulator-demodulator, read-only memory, analog to digital converter, program data memory, power-supply controller of electric, audio processing modules, data/address bus, display controller, radio-frequency (RF) switch, button decode controller and SIM card controller; Power panel is by the 12V voltage stabilizing circuit, the 9V charging circuit, and light-controlled switching circuit, delay switch circuit and adjustable voltage stabilizing circuit are formed.
As the further improvement of SIM card cassette public telephone set of the present utility model, the 12V voltage stabilizing circuit of described power panel is a solar energy 12V voltage stabilizing circuit.
As the further improvement of SIM card cassette public telephone set of the present utility model, the profile of described casing is square, circle or almond shape.
In SIM card cassette public telephone set provided by the utility model, master control borad can adopt the Motolora mobilephone mainboard, Nokia's cell phone mainboard, Ericsson's cell phone mainboard or other cell phone mainboard, the cell phone mainboard of these well-known mobile phone manufacturers is similar, function element on the cell phone mainboard, technology maturation, price is constantly reduced, and helps actual the applying of SIM card cassette public telephone set.
SIM card cassette public telephone set provided by the utility model, the liquid crystal display circuit in the liquid crystal display wiring board is existing ripe circuit, for example, EPSON 96X32DISPLAY (display) integrated package has 1-18 totally 18 I/O terminals; Button circuit in the button wiring board also is existing ripe circuit, for example, can decipher circuit with button used in the present mobile phone.
SIM card cassette public telephone set provided by the utility model, the operation principle of five kinds of circuits that its power panel is included is as follows: the 12V voltage stabilizing circuit: can adopt the 220V civil power, after transformation, by D
1-D
4Rectification is again through capacitor C
1IC is passed through in filtering
1Voltage stabilizing becomes 12V; This 12V provides power supply for the 9V charging circuit: IC
2Be voltage comparator, it can detect the voltage Ve of battery automatically, and 12V voltage is by R
1, WI and R
2Carry out dividing potential drop, adjust W
1, make IC
2The voltage V of the 5th pin
5=4.5V, when the voltage Ve of battery drop, IC
24 pin voltage V
4Also less than 4.5V, IC
22 pin output high level, make BG
1And BG
2Conducting, to battery charge, when the voltage Ve of battery rises to 9V gradually, V
4=4.5V, V
5=V
4, IC
22 pin become low level, BG
1And BG
2End, the 9V battery stops charging; Light-controlled switching circuit: when no SIM card is inserted, the illumination that infrared receiving tube on the SIM card deck is accepted infrared transmitting tube becomes low resistive state, make controllable silicon SCR 1 trigger electrode voltage on the low side and be in cut-off state, the phone outage, after inserting SIM card, infrared light is kept off infrared receiving tube and is become high-impedance state, and trigger electrode voltage raises, and makes controllable silicon SCR
1Conducting, the phone energising can be called; Delay switch circuit is used to dial freephones such as 110,119,120, press the AN key after, IC is passed through in moment surge pulse
32 pin make IC3 trigger set, IC
33 pin become high level by low level, controllable silicon SCR
2Conducting, time dalay indicator light is lighted, the phone energising, at this moment, capacitor C
5Pass through R
12Charging when voltage rises to 2/3Ve, is passed through IC gradually
36 pin make IC
3Reset IC
33 pin revert to low level, make SCR
2End, time dalay indicator light extinguishes, and the phone outage was delayed time about 15 minutes; Adjustable voltage stabilizing circuit is mainly by IC
4Realize D
7-D
8Be the protection diode, in order to prevent input, output short circuit and damage IC
4, by adjusting W
2, can obtain the required voltage of voltage regulation of different cell phone mainboards; Controllable silicon SCR
1SCR
22N4097,2N1596A or the 2N1596 type controllable silicon that can select for use U.S. ASI company to produce.
SIM card cassette public telephone set of the present utility model, the 12V voltage stabilizing circuit of described power panel, can also adopt solar energy 12V stabilized voltage power supply, for example be positioned at the Anhui day daylighting electricity company of Chinese Anhui Ningguo Industry Development Area, the 12V solar DC power supply of the SL12 serial model No. of being produced promptly can be used as solar energy 12V stabilized voltage power supply.
The shared telephone set of existing magnetic card type, though bring convenience to the telex network charging,, because of it must be connected with the line order wire outward, the free call on sb. else's expense through illegal means phenomenon usually takes place, cause the telephone expenses loss, anti-theft is relatively poor; In addition, the installation randomness of the shared telephone set of magnetic card type is relatively poor.
SIM card cassette public telephone set provided by the utility model is characterized in: based on radio receiving-transmitting unit, utilize the wireless signal of the base station of digital mobile communication network, discern the user and communication service is provided by SIM card; Because of using SIM card, more existing cassette public telephone function provides the more service kind, for example, and Call Forwarding, call blocking etc.; Because of SIM card is provided with password, the uniqueness of password has determined SIM card cassette public telephone set not have the telephone expenses loss, and anti-theft is strong; In addition, install arbitrarily, safeguard and use more convenient.
The advantage of SIM card cassette public telephone set provided by the utility model: concentrated the public property of wired cassette public telephone set and the safe and convenient of wireless SIM card mobile phone; Staff one SIM card substitutes staff one machine, and user's burden is reduced to some extent; The energising of plug-in card phone is pulled out then phone outage of card, thereby is reduced battery power consumption; Charging circuit can guarantee the SIM card plug and play again.
SIM card cassette public telephone set provided by the utility model can be used for the region that wireless communication signals covers and the area that the inconvenience of wire communication cable is laid.
Below in conjunction with embodiment,, be described further SIM card cassette public telephone set of the present utility model.
Embodiment.
Fig. 1 is the logical constitution schematic diagram of the SIM card cassette public telephone set of present embodiment.
Fig. 2 is the signal of SIM card deck of present embodiment and the connection diagram of socket.
Fig. 3 is the microphone receiver signal and the socket connection diagram of present embodiment.
Fig. 4 is the push button signalling and the socket connection diagram of the SIM card cassette public telephone set of present embodiment.
Fig. 5 is the liquid crystal display signal and the socket connection diagram of the SIM card cassette public telephone set of present embodiment.
Fig. 6 is the power panel logical constitution schematic diagram of the SIM card cassette public telephone set of present embodiment.
Fig. 7 is the power circuit figure of power panel of the SIM card cassette public telephone set of present embodiment.
Fig. 8 be present embodiment the SIM card deck structural representation.
Fig. 9 is the three-dimensional composition schematic diagram of the SIM card cassette public telephone set of present embodiment.
Figure 10 is the cell phone mainboard logical constitution schematic diagram of the SIM card cassette public telephone set of present embodiment.
Referring to Fig. 1-Figure 10.
The SIM card cassette public telephone set of present embodiment, by casing 1, LCDs 2, keyboard 3, external power line 4, phonecard draw-in groove 5, microphone 16, receiver 6, microphone cord 7, microphone hangs 26, emergency call button 8, time dalay indicator light 9, order wire, casing fixture 11, phonecard deck, the liquid crystal display wiring board, the button wiring board, control board and power panel constitute; LCDs 2, keyboard 3, microphone 6, receiver 16, microphone cord 7, microphone hangs 26, and emergency call button 8 and time dalay indicator light 9 are located on the phone panel; LCDs 2 links to each other with the liquid crystal display wiring board, and keyboard 3 links to each other with the button wiring board, control board and liquid crystal display wiring board, and the button wiring board, microphone cord 7, order wire and power panel link to each other; Emergency call button 8 links to each other with power panel with time dalay indicator light 9; Casing fixture 11 is located at the rear edge portion of casing 1; The phonecard deck is located in the phonecard draw-in groove 5; Wherein: order wire is an antenna 10, and is located at the top of casing 1; The phonecard deck adopts the SIM card deck, and this deck is by SIM switch 51, SIM card seat 52, plastic spacer 53, printed circuit 54, infrared transmitting tube 55, SIM card connects socket 56, the infrared detection head connects socket 57, SIM card stage clip 58, SIM card guide vane end stop 59, infrared receiving tube 60, following wiring board 61, last wiring board 62, wiring board combined block 63 and circuit line 64 compositions up and down up and down; Control board adopts cell phone mainboard, and cell phone mainboard comprises: central processing unit, and IF-FRE is synthetic, voice coder, decoder, channel coding and decoding, voltage controlled oscillator, modulator-demodulator, read-only memory, analog to digital converter, program data memory, power-supply controller of electric, audio processing modules, data/address bus, display controller, radio-frequency (RF) switch, button decode controller and SIM card controller; Power panel is by the 12V voltage stabilizing circuit, the 9V charging circuit, and light-controlled switching circuit, delay switch circuit and adjustable voltage stabilizing circuit are formed.
The SIM card cassette public telephone set of present embodiment, control board adopts the Motolora mobilephone mainboard, includes on this mainboard: CPU (central processing unit), IF-FRE is synthetic, voice coder, decoder, channel coding and decoding, voltage controlled oscillator, modulator-demodulator, read-only memory, analog to digital converter, program data memory, power-supply controller of electric, audio processing modules, data/address bus, display controller, radio-frequency (RF) switch, button decode controller and SIM card controller; The GC series of products that the Motolora mobilephone mainboard adopts Motorola (Chinese Tianjin) to produce.
The SIM card cassette public telephone set of present embodiment, the 12V voltage stabilizing circuit of the power panel that is adopted, be the 12V voltage stabilizing circuit that the 220V alternating current forms through transformation, rectification, filtering, the output of the adjustable voltage stabilizing circuit of power panel links to each other with the power-supply controller of electric of cell phone mainboard.
The SIM card cassette public telephone set of present embodiment, microphone and receiver adopt common phone transmitter, link to each other with the audio processing modules of cell phone mainboard by socket J4.
The SIM card cassette public telephone set of present embodiment, its liquid crystal display circuit also adopts EPSON 96X32 DISPLAY (display) used in the Motolora mobilephone integrated certainly, link to each other with the bus of cell phone mainboard by socket J3, its 1-18 exit is respectively: 1.B+, cell voltage; 2.GND, common ground; 3.A0, address selection line; 4.LED, the LCD control of throwing light on; 5.R-W, LCD display read-write control; 6.RESET, system reset; 7.DP-EN the LCD demonstration enables; 8-15.LCDD7-LCDD0, the video data bus; 16.L275, logic power supply 2.75V; 17.-VEE, the LCD-10V power supply; 18.GND, common ground.
The SIM card cassette public telephone set of present embodiment, its antenna adopts the Motolora mobilephone antenna, links to each other with the radio-frequency (RF) switch of cell phone mainboard.
The SIM card cassette public telephone set of present embodiment, the button wiring board adopts the button wiring board of Motolora mobilephone, by socket J
2Link to each other with the bus of cell phone mainboard.
The SIM card cassette public telephone set of present embodiment, wherein SIM card adopts the SIM card that CHINAUNICOM or company of Chinese Mobile Communication are issued, and the SIM card deck adopts the SIM card deck wiring board of Motolora mobilephone, by socket J
1Link to each other with the bus of cell phone mainboard.
The advantage of present embodiment is: adopt the Motolora mobilephone mainboard, owing to domestic Motolora mobilephone factory arranged, parts are complete, are convenient to the maintenance of SIM card cassette public telephone set.
The SIM card cassette public telephone set of present embodiment relatively is suitable for the city, ground that wireless digital mobile communication signal covers and the area that the inconvenience of wire communication cable is laid.
Claims (3)
1. SIM card cassette public telephone set, by casing (1), LCDs (2), keyboard (3), external power line (4), phonecard draw-in groove (5), microphone (16), receiver (6), microphone cord (7), microphone is hung (26), emergency call button (8), time dalay indicator light (9), order wire, casing fixture (11), phonecard deck, the liquid crystal display wiring board, the button wiring board, control board and power panel constitute; Wherein: LCDs (2), keyboard (3), microphone (6), receiver (16), microphone cord (7), microphone is hung (26), and emergency call button (8) and time dalay indicator light (9) are located on the phone panel; LCDs (2) links to each other with the liquid crystal display wiring board, and keyboard (3) links to each other with the button wiring board, control board and liquid crystal display wiring board, and the button wiring board, microphone cord (7), order wire and power panel link to each other; Emergency call button (8) links to each other with power panel with time dalay indicator light (9); Casing fixture (11) is located at the rear edge portion of casing (1); The phonecard deck is located in the phonecard draw-in groove (5); It is characterized in that: order wire is antenna (10), and is located at the top of casing (1); The phonecard deck adopts the SIM card deck, and this deck is by SIM switch (51), SIM card seat (52), plastic spacer (53), printed circuit (54), infrared transmitting tube (55), SIM card connects socket (56), the infrared detection head connects socket (57), SIM card stage clip (58), SIM card guide vane end stop (59), infrared receiving tube (60), following wiring board (61), last wiring board (62), wiring board combined block (63) and circuit line (64) composition up and down up and down; Control board adopts cell phone mainboard, and cell phone mainboard comprises: central processing unit, and IF-FRE is synthetic, voice coder, decoder, channel coding and decoding, voltage controlled oscillator, modulator-demodulator, read-only memory, analog to digital converter, program data memory, power-supply controller of electric, audio processing modules, data/address bus, display controller, radio-frequency (RF) switch, button decode controller and SIM card controller; Power panel is by the 12V voltage stabilizing circuit, the 9V charging circuit, and light-controlled switching circuit, delay switch circuit and adjustable voltage stabilizing circuit are formed.
2. SIM card cassette public telephone set according to claim 1, the 12V voltage stabilizing circuit that it is characterized in that described power panel are solar energy 12V voltage stabilizing circuit.
3. SIM card cassette public telephone set according to claim 1, the profile that it is characterized in that described casing (1) is square, circle or almond shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN00243961U CN2455022Y (en) | 2000-07-27 | 2000-07-27 | SIM card type public telephone set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN00243961U CN2455022Y (en) | 2000-07-27 | 2000-07-27 | SIM card type public telephone set |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2455022Y true CN2455022Y (en) | 2001-10-17 |
Family
ID=33603748
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN00243961U Expired - Fee Related CN2455022Y (en) | 2000-07-27 | 2000-07-27 | SIM card type public telephone set |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2455022Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103095877A (en) * | 2013-01-27 | 2013-05-08 | 谢特斌 | Wireless fixed-line telephone with battery monitoring and solar energy charging |
-
2000
- 2000-07-27 CN CN00243961U patent/CN2455022Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103095877A (en) * | 2013-01-27 | 2013-05-08 | 谢特斌 | Wireless fixed-line telephone with battery monitoring and solar energy charging |
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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 |