CN1318251A - Public telephone having portable computer interface function and method for controlling same - Google Patents
Public telephone having portable computer interface function and method for controlling same Download PDFInfo
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- CN1318251A CN1318251A CN99810890A CN99810890A CN1318251A CN 1318251 A CN1318251 A CN 1318251A CN 99810890 A CN99810890 A CN 99810890A CN 99810890 A CN99810890 A CN 99810890A CN 1318251 A CN1318251 A CN 1318251A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M17/00—Prepayment of wireline communication systems, wireless communication systems or telephone systems
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M11/00—Telephonic communication systems specially adapted for combination with other electrical systems
- H04M11/06—Simultaneous speech and data transmission, e.g. telegraphic transmission over the same conductors
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M17/00—Prepayment of wireline communication systems, wireless communication systems or telephone systems
- H04M17/02—Coin-freed or check-freed systems, e.g. mobile- or card-operated phones, public telephones or booths
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- Computer Networks & Wireless Communication (AREA)
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Abstract
The invention discloses a public telephone having a portable computer interface function and a method for controlling the same. The public telephone has a hook switch, a card reader, a card verifier, a coin sorter, a accumulated sum signal generator, a keypad input unit, a DTMF signal generator, a central controller, a character display unit, an office line interface unit, a speaking circuit, a headphone and power supplying circuit, and a modem connector for the connection of portable computer and the speaking circuit, and a PC communication switch for manual controlling the connection state of the speaking circuit and the modem connector. The provided telephone can be easily connected to the portable computer, therefore, the cost of the information exchange between the computer and the information network thereof is low, and then users can be greatly facilitated.
Description
The present invention relates to a kind of public telephone set and control method thereof, particularly a kind of can be for personal handheld computer provides connecting interface, so that the public telephone set that has portable computer interface function and the control method thereof of its direct access computer network.
In general sense, a public telephone set is a terminal that has the communication system of basic function, in the permissible call time that magnetic card, IC-card, credit card or coin provided that the user puts into telephone set, it can make the user and carry out two-way real-time speech exchange by telephone communication network between other people.Public telephone set changes the audio signal of speaking into the signal of telecommunication, the signal of telecommunication after will changing then is sent to another place by telephone wire, also can receive the signal that send in above-mentioned place by telephone wire, the final so feasible voice call that is in two people in strange land becomes possibility.
As shown in Figure 1, this is the formation block diagram of a traditional public telephone set.As shown in the figure, a public telephone set comprises a hook switch 1, it can open or close the voice pathway that telephone set communicates with telephone exchange, a card reader 2, it is used for reading balance amount information or other credit informations that inserts the various cards in the telephone set, a card verifier 3, whether it is used for checking password this card for confirmation that blocks in the insertion card reader effective, a coin sorter 4, it is used for choosing the coin of being put into by coin slot (shown in Fig. 2 22), one is added up and signal generator 5, it is used for one of the final amount generation of the coin of coin sorter 4 selections is added up and signal, keyboard input unit 6, it is used at the user operation of numerical key and function key being produced corresponding keyboard signal, a dual tone multi-frequency signal generator 7, it is used for producing a corresponding touch-tone signal of keyboard signal that sends with the keyboard input unit, the output signal initialization that central controller 8 is produced by hook switch 1, input information is analyzed and handled to central controller 8, and control the course of work of whole telephone set, literal display unit 9, it is explicit user prompt text information under the control of central controller 8, telephone line interface unit 10, it finishes being connected of telephone set and telephone wire under the control of central controller 8, thereby make the user can use telephone set, a receiver 12, it will change the corresponding signal of telecommunication from user's voice signal into and transfer out by telephone line interface unit 10, or receive by telephone line interface unit 10 and to send the user to after a signal of telecommunication changes it into voice signal, a loudspeaker circuit 11, it is used for amplifying by the signal of telecommunication of receiver 12 generations and with it and sends telephone line interface unit 10 to, or send receiver 12 to after will amplifying by the signal of telecommunication that telephone line interface unit 10 receives, loudspeaker circuit 11 also can transmit or receive data by telephone line interface unit 10, a power-supply circuit 13, it is used for providing power supply for each part of above-mentioned telephone set, other switches close (shown in Figure 22 7) as dodging to disconnect, and urgent call switch (shown in Figure 22 9) is installed in telephone set can make the user use it more easily.Public telephone set can also comprise some relatively independent functional switches as card replacement switch (not showing among the figure), and it can indicate the card of having put into and be replaced by a neocaine.
When using existing public telephone set, when when taking or hanging up receiver 12 (shown in Figure 22 1), hook switch 1 is in off-hook or hook state, opens or closes voice pathway.
Below describe in detail and adopt the control method of traditional public telephone set of structure as mentioned above.
At first, when the user took receiver 12, hook switch 1 entered off hook state.After central controller 8 detected hook switch 1 and is in off hook state, control literal display unit 9 demonstrated the Word message of " inserting card or coin " at literal display panel (shown in Fig. 2 23).In these cases, if will blocking, the user inserts card slot (shown in Fig. 2 25), card reader 2 reads the information that has write down on the card of inserting, card verifier 3 is used for determining whether the card that has inserted is effective, and with the check final result send central controller 8 to, if the card that has inserted is invalid, central controller 8 control literal display units 9 demonstrate the Word message of " this card is invalid " at the literal display panel, and the card that is used for pointing out the user to insert can not re-use; If the card that has inserted is effective, central controller 8 control dual tone multi-frequency signal generators 7 produce a voice signal, expression can carry out dial-up operation, and literal display unit 9 work simultaneously demonstrate " input telephone number " Word message at the literal display panel.At this moment, keyboard input unit 6 is connected with telephone wire under central controller 8 controls by dual tone multi-frequency signal generator 7 and loudspeaker circuit 11.
If the user has determined telephone number and has dialled the information of crying, and import this telephone number by keyboard (shown in Fig. 2 24), central controller 8 is just controlled dual tone multi-frequency signal generator 7 and is produced one and give loudspeaker circuit 11 with the corresponding touch-tone signal of input telephone number.Loudspeaker circuit 11 sends the signal that dual tone multi-frequency signal generator 7 produces to switch by telephone wire, and according to corresponding order, switch is transmitted to another phone with the above-mentioned touch-tone signal that sends.When this telephone set is in identical off hook state with the telephone set that sends touch-tone signal, the loudspeaker circuit 11 of public telephone set and this telephone set forms path by telephone wire, be transferred to after audio signal just is exaggerated like this in the receiver 12 separately, finally between public telephone set and this telephone set, realized speech exchange.Meanwhile, the fee charging signal based on the air time sends central controller 8 by telephone wire to via telephone line interface unit 10.If what use when making a phone call is the phonecard of savings formula, just central controller 8 is controlled the corresponding amount of money of fee charging signal that card reader 2 deducts and receives from this card so.If adopt the note expense mode of inserting coins to make a phone call, just central controller 8 is from the corresponding amount of money of fee charging signal that adds up and signal generator 5 adds up and deducts and receive adding up to so, this adds up and adds up to the total value of all coins in the coin sorter 4.Then, central controller 8 shows current remaining sum by literal display unit 9.In addition, when use be not above-mentioned savings formula phonecard the time but when accounting Shi Ka such as credit card, the corresponding amount of money of fee charging signal that central controller 8 adds up and receives, and this accumulation result shown by literal display unit 9.
When using savings formula phonecard or the mode of inserting coins to make a phone call,,, notify its permissible call time will be through with at once just central controller 8 can send a cue to the user by receiver 12 if remaining sum is less than the expense of certain default air time.Unless the user inserts coin before the default air time finishes again or changes a neocaine, otherwise central controller 8 will cut off the voice pathway between receiver and the telephone wire.
Nearly a period of time, along with popularizing rapidly of computer, a large amount of information interchanges has begun to adopt the information network that is more suitable in current information age development to finish, in between country and the internet in the country, is the ecommerce of medium in the recent period also present unprecedented growth with above-mentioned network in addition as framework.In addition, personal handheld computer is widely used to need not to consider to portably use easily by when and where.
Yet, the use present situation of portable computer information network but with the information network utilization rate increase rapidly and the spreading speed of portable computer very inharmonious.This mainly is that it seldom is equipped with the circuit structure that is used for the visit information network that matches with public telephone set thereon in being usually used in outdoor work environment because portable computer is different from common computer.Just for these reasons, so limited the chance that people use portable computer visit information network greatly.
In order to overcome the generation of the problems referred to above, people open and attempt being used for being connected portable computer and information network with the actual mobile phone that uses.Yet, is a very uneconomic thing by wireless mode as adopting above-mentioned mobile phone to visit information network, this is that the expense of wireless telecommunications is more than there being communication modes to want much expensive in addition because the time of computer communication is longer than plain old telephone communication usually.
The purpose of this invention is to provide a kind of public telephone set and control method thereof that can effectively overcome the band portable computer interface function of the problems referred to above generation, by the said equipment and method, even portable computer also can be by public telephone set with the direct visit information network of lower expense in the place that does not have telephone wire, thereby finally makes things convenient for the user.
The object of the present invention is achieved like this:
At first, the present invention is made up of following structure: one by the set out hook switch of receiver operation control off-hook and hook state of user, a card reader that is used for reading stored information on the card that inserts in the public telephone set card slot, one is used for whether effectively card verifier of verification card reader sense information, one is confirmed to block at card verifier is the keyboard input unit that at the user operation of numerical key and function key is produced corresponding keyboard signal under the effective situation, a dual tone multi-frequency signal generator that is used for producing the corresponding touch-tone signal of keyboard signal that sends with the keyboard input unit, an off hook signal initialization that produces by hook switch, combination and analysis are from the peripheral equipment output signal, and control the central controller of the whole telephone set course of work according to analysis result, a literal display unit that under the control of central controller, shows public telephone set user prompt Word message, under the control of central controller, finish the telephone line interface unit that telephone set is connected with telephone line for one, one is used for amplifying the signal that is sent or received by the telephone line interface unit, and optionally its amplified signal is sent to the loudspeaker circuit of receiver, signal of telecommunication that sends after loudspeaker circuit amplified change audio frequency and synthesize voice output give the user or in the future user's audio signal send loudspeaker circuit to amplify and send to the receiver of telephone line interface unit after changing the signal of telecommunication into, a compunication switch that is used for starting the compunication pattern, one by central controller controls, the state that is in out at the compunication switch is communicated with loudspeaker circuit with the modulator-demodulator of computer modem connector.
The present invention confirms that at card verifier card is under the effective situation, and the compunication switch can be controlled being connected of loudspeaker circuit and telephone line interface unit;
The present invention can also comprise that is dodged a disconnection pass, its effect is when hook switch is in off hook state, under the control of central controller card verifier, keyboard input unit, dual tone multi-frequency signal generator, literal display unit, telephone line interface unit, loudspeaker circuit and receiver is carried out initialization operation;
Sudden strain of a muscle of the present invention disconnects closes and can also make loudspeaker circuit be connected disconnection with the telephone line interface unit, thereby the initializing computer communication switch make it come back to closed condition when the state that the compunication switch is in out.
The present invention can also be made up of following structure: one by the set out hook switch of receiver operation control off-hook and hook state of user, a card reader that is used for reading stored information on the card that inserts in the public telephone set card slot, one is used for whether effectively card verifier of verification card reader sense information, one is confirmed to block at card verifier is the keyboard input unit that at the user operation of numerical key and function key is produced corresponding keyboard signal under the effective situation, a dual tone multi-frequency signal generator that is used for producing the corresponding touch-tone signal of keyboard signal that sends with the keyboard input unit, an off hook signal initialization that produces by hook switch, combination and analysis are from the peripheral equipment output signal, and control the central controller of the whole telephone set course of work according to analysis result, a literal display unit that under the control of central controller, shows public telephone set user prompt Word message, under the control of central controller, finish the telephone line interface unit that telephone set is connected with telephone line for one, one is used for amplifying the signal that is sent or received by the telephone line interface unit, and optionally its amplified signal is sent to the loudspeaker circuit of receiver, signal of telecommunication that sends after loudspeaker circuit amplified change audio frequency and synthesize voice output give the user or in the future user's audio signal send loudspeaker circuit to amplify and send to the receiver of telephone line interface unit after changing the signal of telecommunication into, one is used for controlling the compunication switch that loudspeaker circuit is connected with the telephone line interface unit, a modem connector that is used for connecting loudspeaker circuit and computer modulating demodulator when hook switch is in hook state.
Secondly, the present invention relates to a kind of control method that has the public telephone set of portable computer interface function, it comprises following step:
If a) the compunication switch is in out state, then enter the compunication pattern after all data of initialization;
B) modulator-demodulator with computer links to each other with modem connector, and whether the card of determining to put into card slot is effective;
C) if pass through b) card that confirm to insert of step is effective, and then the modulator-demodulator with computer is communicated with telephone wire;
D) by the modulator-demodulator of telephone wire and computer, send or receive data between computer and the computer network;
E) receive the fee charging signal based on the air time by telephone wire, the corresponding amount of money of the fee charging signal that deducts and receive from the savings card or handle add up with the corresponding amount of money of fee charging signal that receives;
F) as e) remaining sum in the step is less than expense or the d of certain default air time) operated in the step to dodge to disconnect and closed or situation that the user closes the modulator-demodulator of its computer when taking place, the interruption that is connected of the modulator-demodulator of computer and telephone wire.
Further, step a) can be finished under hook switch is in hook state;
Say that further said method can also comprise a g) step: after the compunication pattern finishes,, then return a) step and restart if operation is dodged to disconnect and closed once more.
As mentioned above, place at any line of not having a telephone installed, all can use this public telephone set to connect portable computer easily, thereby finish information exchange between computer and Computer information network, finally make things convenient for the user widely with lower conversation cost.
Below in conjunction with accompanying drawing in detail particular content of the present invention is described in detail.
Fig. 1 constitutes block diagram for existing public telephone set.
Fig. 2 is the front view that has the public telephone set of portable computer interface function of the present invention.
Fig. 3 is that the built-in system of one embodiment of the present of invention constitutes block diagram.
Fig. 4 is a control method FB(flow block) embodiment illustrated in fig. 3.
Fig. 2 is the front view that has the public telephone set of portable computer interface function of the present invention, can select to use phonecard or coin thereon.As shown in the figure, hook switch 20 is installed, hangs with receiver 21 on it in the upper left quarter outside of telephone case 100.The upper right side of housing 100 is provided with coin slot 22, the housing 100 positive close upper left corners are provided with literal display panel 23, keyboard 24 is positioned at the below of literal display panel 23, numerical key and various function key are evenly distributed on the surface of this position housing 100, the lower right corner in housing 100 fronts is provided with card slot 25, compunication port 26 is exposed and is installed on position, the housing 100 positive lower left corner, and card slot 25 tops are provided with successively to dodge and disconnect pass 27, compunication switch 28 and urgent call switch 29.
Fig. 3 is that the built-in system of one embodiment of the invention constitutes block diagram.As shown in the figure, it comprises hook switch 20, card reader 30, card verifier 31, coin sorter 32, add up and signal generator 33, keyboard input unit 34, dual tone multi-frequency signal generator 35, central controller 36, literal display unit 37, telephone line interface unit 38, loudspeaker circuit 39, receiver 21 and power-supply circuit 41, it comprises that also a modem connector 42 that is used for connecting portable computer and loudspeaker circuit 39 and one are used for the compunication switch 28 of Artificial Control loudspeaker circuit 39 and modem connector connection status.
According to the operational circumstances of user to receiver 21, hook switch 20 enters corresponding off-hook or hook state, thereby opens or close the voice pathway between public telephone set and the telephone wire.Be user when receiver 21 is taken, hook switch 20 enters off hook state, open and telephone wire between voice pathway.
The password of card has been inserted in card verifier 31 checks, checks savings information or credit information that card reader 30 reads then, thereby judges whether this card is effective, and just the final result of Pan Duaning sends central controller 36 to.
Dual tone multi-frequency signal generator 35 can produce the corresponding touch-tone signal of keyboard signal that sends with the keyboard input unit under the control of central controller 36, and above-mentioned signal is sent to loudspeaker circuit 39.
The work of central controller 36 whole telephone set of control on the basis of the output of each part of monitoring.That is, central controller 36 at first obtains an initialize signal by hook switch 20 places, makes up and analyze the output information of peripheral equipment then, and controls the work of whole telephone set according to final analysis result.
Telephone line interface unit 38 can be connected loudspeaker circuit 39 under the effect of central controller 36 or disconnect with telephone wire, thereby realized being communicated with or disconnection between public telephone set and the public telephone network.
The signal of telecommunication that receiver 21 sends after on the one hand loudspeaker circuit being amplified changes audio frequency and also synthesizes voice output and give the user, will change into from user's audio signal again on the other hand to send loudspeaker circuit to amplify behind the signal of telecommunication and send the telephone line interface unit to.
The effect of dodge to disconnect closing 27 (shown in Figure 22 7) is after finishing a conversation, if by confirming after the card verification that this card remains valid or it is inserted coins and still has under the situation of remaining sum, again public telephone set is connected with telephone wire.In addition, dodge disconnection and close 27 connections that can also force to disconnect between loudspeaker circuit 39 and the modem connector 42.
The effect of urgent call switch 29 (shown in Figure 22 9) is directly to produce a urgent call signal to give central controller 36, thereby that root telephone wire of public telephone set and urgent call telephone number representative is connected.For example, dial when crying fire alarm, use this switch then to need not plug-in card or insert coins.
The effect that card is replaced switch (not showing among the figure) is when inserting a neocaine when the card that formerly inserts is invalid, sends a card to central controller 36 and replaces signal; After central controller 36 was received above-mentioned signal, central controller 36 initialization card reader 30 and card verifier 31 read and verification operation it again to neocaine.
The working method of compunication switch 28 is similar to urgent call switch 29, is one and force connects switch, and no matter which kind of on off state hook switch 20 is in, and operates it and all can manually control being connected between loudspeaker circuit 39 and the modem connector.
The concrete operational detail of the above disclosed embodiment of the invention is described in detail in detail below with reference to Fig. 2 to 4.
At first, when the user took receiver 21, hook switch 20 entered off hook state and starts common call mode, can carry out the voice messaging exchange between user under this pattern and other phones.The course of work of this common call mode is identical with the course of work of traditional public telephone set as shown in Figure 1 of having discussed.Therefore, omit the argumentation of relevant this part content.Below the main concrete course of work of discussing in detail as the compunication mode of operation of core content of the present invention.
When using the present invention to carry out the compunication operation, receiver 21 hangs on the hook switch, and user at first operational computations machine communication switch 28 places the compunication pattern with the public telephone set built-in system.Then, the user connects together computer modulating demodulator link (serial ports) according to the Word message that literal display unit 37 shows with public telephone set compunication link 26, will effectively block and insert card slot 25 or put into coin to coin slot 22.Like this, the modulator-demodulator of computer is just connected with telephone wire, makes thus that finally computer has been communicated with computer network.
The course of work of the built-in system of public telephone set as shown in Figure 4.
Fig. 4 is the control method FB(flow block) that has public telephone set one embodiment of portable computer interface function for of the present invention.
At first, if the user opens compunication switch 28 (compunication pattern setting up procedure), central controller 36 determines by loudspeaker circuit 39 whether the modulator-demodulator of computer connects with modulator-demodulator connector 42.Be not connected with modem connector 42 if find computer modulating demodulator, central controller 36 control literal displays 37 show the Word message of " connection modulator-demodulator " on literal display panel 23; When computer modulating demodulator with after modem connector 42 is connected, central controller 36 control literal displays 37 show " inserting card or coin " on literal display panel 23, if the user is to inserting card on the card slot 25 or inserting coin in coin slot 22, card reader 30 and card verifier 31 or coin sorter 32 work, effectively whether the coin that card or input are inserted in judgement (block or the coin checking procedure); If it is effective that the coin that inserts card or drop into is identified, literal display unit 37 just demonstrates the information that can carry out brand computer communication services on literal display panel 23 so, and the expression computer modulating demodulator has been connected (compunication Connection Step) with telephone wire.Like this, from this moment, the user just can be communicated with (compunication step) by telephone wire with computer network.
Finish if computer sends or receive datamation, the user pushes to dodge to disconnect closes 27, and manual mode is opened the voice channel (compunication end step) that public telephone set leads to telephone wire.In this case, dodge disconnection and close antipodal operation on 27 execution and the ordinary telephone set.That is, under the compunication pattern, dodge to disconnect close 27 and cut off being connected between public telephone sets and the telephone wire, and under common call mode, dodge to disconnect and close 27 and can rebulid being connected between public telephone set and the telephone wire.
The compunication pattern can be dodged to disconnect and be closed 27 manually end by aforesaid operations.Also can, under the effect of central controller 26, automatically force to finish.Similar to common call mode in this case, in the compunication pattern, charging step and compunication step executed in parallel, promptly in the compunication process, charging step deducts corresponding call rate simultaneously from the savings remaining sum, last, in the compunication process, when remaining sum is less than certain volume that prestores, the just automatic forced interruption compunication pattern of central controller 36.
When public telephone set disconnects and being connected of telephone wire, central controller 36 is just controlled literal display unit 37 shows " modulator-demodulator connection disconnection " on literal display panel 23 Word message.When the user cuts off with being connected of modulator-demodulator, the whole operation process end of public telephone set, system reenters initial condition.
On the contrary, computer modulating demodulator is not connected with modem connector 42 within the predetermined time or insert the card or under the invalid situation that inserts coin, even start the compunication pattern, central controller 36 can not controlled yet and set up and being connected of telephone wire, but can't provide the information of service, and reinitialize whole system by text unit 37 demonstrations.
In sum, public telephone set of the present invention not only can connect portable computer, make it send between by telephone wire and computer network under compunication pattern or receive data, and the voice that can finish existing traditional public telephone set send and receiving function.
By foregoing as can be known, in not breaking away from technological thought scope of the present invention, can carry out numerous variations and revision.Thereby technical scope of the present invention can only not be confined to above-mentioned particular content.
Claims (8)
1, a kind of public telephone set that has portable computer interface function, it comprises:
One by the set out hook switch of receiver operation control off-hook and hook state of user;
A card reader that is used for reading stored information on the card that inserts in the public telephone set card slot;
One is used for whether effectively card verifier of verification card reader sense information;
One is confirmed to block at card verifier is the keyboard input unit that at the user operation of numerical key and function key is produced corresponding keyboard signal under the effective situation;
The dual tone multi-frequency signal generator of the corresponding touch-tone signal of keyboard signal that generation and keyboard input unit send;
Off hook signal initialization, combination and analysis that is produced by hook switch is from the peripheral equipment output signal and control the central controller of the whole telephone set course of work according to analysis result
A literal display unit that under the control of central controller, shows public telephone set user prompt Word message;
Under the control of central controller, finish the telephone line interface unit that telephone set is connected with telephone line for one:
One is used for amplifying the loudspeaker circuit that by the signal of transmission of telephone line interface unit or reception, also optionally its amplified signal is sent to receiver;
Signal of telecommunication that sends after loudspeaker circuit amplified change audio frequency and synthesize voice output give the user or in the future user's audio signal send loudspeaker circuit to amplify and send to the receiver of telephone line interface unit after changing the signal of telecommunication into;
When it is characterized in that: further comprising the state that a compunication switch that is used for starting the compunication pattern and compunication switch be in out, the modem connector that under central controller controls, the modulator-demodulator of loudspeaker circuit and computer is coupled together.
2, the public telephone set that has portable computer interface function as claimed in claim 1 is characterized in that: confirm that at card verifier institute's plug-in card is under the effective situation, the compunication switch is used for controlling being connected of loudspeaker circuit and telephone line interface unit.
3, the public telephone set that has portable computer interface function as claimed in claim 1 or 2, it is characterized in that: further comprising one when hook switch is in off hook state, under the control of central controller, card verifier, keyboard input unit, dual tone multi-frequency signal generator, literal display unit, telephone line interface unit, loudspeaker circuit and receiver are carried out the sudden strain of a muscle disconnection pass of initialization operation.
4, the public telephone set that has portable computer interface function as claimed in claim 3, it is characterized in that: dodge to disconnect and close when the state that the compunication switch is in out, can cut off being connected of loudspeaker circuit and telephone line interface unit, and the compunication switch is initially off status again.
5, a kind of public telephone set that has portable computer interface function, it comprises:
One by the set out hook switch of receiver operation control off-hook and hook state of user;
A card reader that is used for reading stored information on the card that inserts in the public telephone set card slot;
One is used for whether effectively card verifier of verification card reader sense information;
One is confirmed to block at card verifier is the keyboard input unit that at the user operation of numerical key and function key is produced corresponding keyboard signal under the effective situation;
The dual tone multi-frequency signal generator of the corresponding touch-tone signal of keyboard signal that generation and keyboard input unit send;
Off hook signal initialization, combination and analysis that is produced by hook switch is from the peripheral equipment output signal and control the central controller of the whole telephone set course of work according to analysis result
A literal display unit that under the control of central controller, shows public telephone set user prompt Word message;
Under the control of central controller, finish the telephone line interface unit that telephone set is connected with telephone line for one;
One is used for amplifying the loudspeaker circuit that by the signal of transmission of telephone line interface unit or reception, also optionally its amplified signal is sent to receiver;
Signal of telecommunication that sends after loudspeaker circuit amplified change audio frequency and synthesize voice output give the user or in the future user's audio signal send loudspeaker circuit to amplify and send to the receiver of telephone line interface unit after changing the signal of telecommunication into;
It is characterized in that: further comprising one and when hook switch is in hook state, be used for controlling the compunication switch and a modem connector that is used for being connected loudspeaker circuit and computer modulating demodulator that loudspeaker circuit is connected with the telephone line interface unit.
6, a kind of control method that has the public telephone set of portable computer interface function according to claim 1, it is characterized in that: it may further comprise the steps:
If a) the compunication switch is in out state, then enter the compunication pattern after all data of initialization;
B) modulator-demodulator with computer links to each other with modem connector, and whether the card of determining to put into card slot is effective;
C) if pass through b) card that confirm to insert of step is effective, and then the modulator-demodulator with computer is communicated with telephone wire;
D) by the modulator-demodulator of telephone wire and computer, send or receive data between computer and the computer network;
E) receive the fee charging signal based on the air time by telephone wire, the corresponding amount of money of the fee charging signal that deducts and receive from the savings card or handle add up with the corresponding amount of money of fee charging signal that receives;
F) as e) remaining sum in the step is less than expense or the d of certain default air time) operated in the step to dodge to disconnect and closed or situation that the user closes the modulator-demodulator of its computer when taking place, the interruption that is connected of the modulator-demodulator of computer and telephone wire.
7, as having the control method of the public telephone set of portable computer interface function as described in the claim 6, it is characterized in that: step a) can be finished under hook switch is in hook state.
8, as having the control method of the public telephone set of portable computer interface function as described in the claim 6, it is characterized in that: it also comprises a g) step: after the compunication pattern finishes,, then return a) step and restart if operation is dodged to disconnect and closed once more.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1998/38003 | 1998-09-15 | ||
| KR1019980038003A KR19990078483A (en) | 1998-09-15 | 1998-09-15 | A public telephone |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1318251A true CN1318251A (en) | 2001-10-17 |
Family
ID=19550629
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN99810890A Pending CN1318251A (en) | 1998-09-15 | 1999-09-15 | Public telephone having portable computer interface function and method for controlling same |
Country Status (7)
| Country | Link |
|---|---|
| JP (1) | JP2002525918A (en) |
| KR (2) | KR19990078483A (en) |
| CN (1) | CN1318251A (en) |
| AU (1) | AU5762399A (en) |
| CA (1) | CA2344332A1 (en) |
| IL (1) | IL142005A0 (en) |
| WO (1) | WO2000016535A2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105847616A (en) * | 2016-03-29 | 2016-08-10 | 苏州玄禾物联网科技有限公司 | Coin public telephone |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100588165B1 (en) | 2000-09-15 | 2006-06-09 | 삼성전자주식회사 | An internet connection service system and the method thereof |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0486160A3 (en) * | 1990-10-22 | 1992-11-25 | Touchfax Information Systems, Inc | Multi-purpose public facsimile transmission terminal |
| US5105460A (en) * | 1991-03-11 | 1992-04-14 | Williams John S | Plug-in telephone facility |
| JPH06296193A (en) * | 1993-04-07 | 1994-10-21 | Fujita Corp | Public line utilizing type portable telephone system |
| DE4421101C1 (en) * | 1994-06-16 | 1995-12-21 | Siemens Ag | Possibility to connect additional services to telephone devices |
| KR0143308B1 (en) * | 1995-07-14 | 1998-08-01 | 김광호 | Data communication system using a telephone |
| KR20000013472A (en) * | 1998-08-05 | 2000-03-06 | 김좌순 | Public telephone with internet system |
-
1998
- 1998-09-15 KR KR1019980038003A patent/KR19990078483A/en not_active Application Discontinuation
-
1999
- 1999-09-15 AU AU57623/99A patent/AU5762399A/en not_active Abandoned
- 1999-09-15 IL IL14200599A patent/IL142005A0/en unknown
- 1999-09-15 CN CN99810890A patent/CN1318251A/en active Pending
- 1999-09-15 WO PCT/KR1999/000556 patent/WO2000016535A2/en active Application Filing
- 1999-09-15 KR KR1020017003342A patent/KR20010075125A/en not_active Application Discontinuation
- 1999-09-15 CA CA002344332A patent/CA2344332A1/en not_active Abandoned
- 1999-09-15 JP JP2000570951A patent/JP2002525918A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105847616A (en) * | 2016-03-29 | 2016-08-10 | 苏州玄禾物联网科技有限公司 | Coin public telephone |
Also Published As
| Publication number | Publication date |
|---|---|
| AU5762399A (en) | 2000-04-03 |
| WO2000016535A3 (en) | 2000-06-08 |
| JP2002525918A (en) | 2002-08-13 |
| KR20010075125A (en) | 2001-08-09 |
| WO2000016535A2 (en) | 2000-03-23 |
| CA2344332A1 (en) | 2000-03-23 |
| IL142005A0 (en) | 2002-03-10 |
| KR19990078483A (en) | 1999-11-05 |
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