KR100360545B1 - Portable telephone and telephone service method for the same - Google Patents

Abstract

Disclosed are a portable wireline telephone having a unique ID, and a telephone service method for connecting the portable wireline telephone to a connection device installed everywhere. As a telephone service method using a portable wireline telephone having user registration information of a portable wireline telephone and having a database connected to the telephone network, a plurality of exchangers connected to the telephone network, a plurality of connection modules connected to the switch, and a portable wireline telephone having a unique ID. Connecting a portable wireline telephone to one of the connection modules, off-hooking the portable wireline telephone, supplying a DC current to the portable wireline telephone, transmitting a unique ID signal from the portable wireline telephone, Receiving the unique ID at the exchange and comparing it with the ID information stored in the database, and if the unique ID received as a result of the comparison is to send a dial tone to the portable wireline at the exchange, the portable wireline Dialing a phone number and making a call on the telephone, And a step of storing the hook step, data relating to the call charge of the portable telephone from the exchange wire to the database.

Description

PORTABLE TELEPHONE AND TELEPHONE SERVICE METHOD FOR THE SAME}

The present invention relates to a portable wireline telephone and a telephone service method using the same, and more particularly, to a portable wireline telephone having a unique ID (hereinafter referred to as an ID), and connecting the portable wireline telephone to connection devices installed everywhere. It relates to a telephone service method that can be used.

Conventionally, landline telephones are used only in homes, and city phones, cellular phones, or public telephones are used to make phone calls when going out.

However, in the case of the city phone, the installation cost is high, the portable device is also relatively expensive, and there is a disadvantage that the call quality may be bad because it uses a wireless method.

In addition, in the case of a mobile phone has a disadvantage that the price of the portable device is expensive, heavy, and expensive. In addition, there is a disadvantage in that the call quality is poor or the connection is disconnected during a call because the wireless method is used. In addition, the high-power wireless method has the disadvantage of adversely affecting your health when talking to a mobile device.

In addition, a mobile phone or a city phone should always be provided with a battery for supplying power to the terminal.

In the case of payphones, the installation cost is expensive and takes up a lot of space, so it is not easy to install a lot in various places without inconvenience, and in the case of payphones using coins, there is a fear of coin theft.

The present invention has been made in view of this point, and an object thereof is to provide a portable wireline telephone which is portable and easy to use.

Another object of the present invention is to provide a portable wireline telephone that can be used in the home as well as outdoors.

Another object of the present invention is to provide a portable landline telephone which can be used without fear of harming health by radio waves.

Still another object of the present invention is to provide a portable wireline telephone capable of making a telephone call with power supplied from a trunk line without the need for a separate battery.

Another object of the present invention is to provide a telephone service for using a portable landline telephone, which is simple to install and low in cost.

1 is a block diagram showing an internal configuration of a portable wireline telephone for transmitting an ID as a DTMF signal as an embodiment of the portable wireline telephone of the present invention.

Figure 2 is a block diagram showing the internal structure of a portable wireline telephone for transmitting an ID to a separate ID signal transmitter as another embodiment of the portable wireline telephone of the present invention.

3 is a block diagram showing the internal structure of a portable wireline telephone with a pager as another embodiment of the portable wireline telephone of the present invention.

4 is an example of the appearance of the portable wireline telephone of the present invention, (a) is a flip type portable wireline telephone, and (b) is a headphone type portable wireline telephone.

5 is a schematic diagram illustrating a telephone service method using the portable wireline telephone 100 of the present invention.

Figure 6 (a) is a schematic diagram showing a connection state at the time of mobile computing using a conventional mobile phone, Figure 6 (b) is a schematic diagram showing a connection state when the portable wireline phone of the present invention is applied to mobile computing to be.

In order to achieve this object, the present invention makes a wired telephone easy to carry and sets a unique ID for each wired telephone. In addition, a connection module for connecting the landline is installed in various places such as train waiting rooms, rooms of hotels and inns, tables of coffee shops and restaurants, public telephone booths, and the like. This connection module is connected to the exchange, which is connected to a database containing information about each user's ID. Therefore, the user can connect and use his portable wired telephone to any connection module in the street, and the exchange can know who is using the telephone by the unique ID embedded in the telephone, thus adding a call charge to the user. You can do it.

The invention will now be described with reference to several exemplary embodiments with reference to the drawings.

<1. Phone Configuration>

<a. Example of sending ID with DTMF>

1 is a block diagram showing an internal configuration of a portable wireline telephone for transmitting an ID as a DTMF signal as an embodiment of the portable wireline telephone of the present invention.

In FIG. 1, the line connection unit 170 receives a DC current from the trunk line and uses it as a power required by the telephone 100, and sends a ring signal from the trunk line to the ring generator 150 to ring the ring through the buzzer. In addition, the line connection unit 170 includes a hybrid circuit that sends a voice signal from the trunk line to the sound unit 140 or sends a voice signal from the sound unit 140 to the trunk line.

The sound unit 140 amplifies the voice signal from the transmitter and sends it to the line connection unit 170, or amplifies the voice signal from the line connection unit 170 and sends it to the receiver. The handset and the handset may be connected to the telephone 100 via a cord like the handset of a general landline telephone, or may be configured to be detachable from the telephone 100 in the form of headphones or earphones.

The ring generating unit 150 is required when the telephone 100 is to be used at home, and may be used only when the portable terminal is to be used only, that is, when the incoming call function is not necessary.

The DTMF generator 160 is used to generate a dual tone multi-frequency (DTMF) tone that is sent when dialing a telephone. Also, in the present embodiment, the DTMF generator 160 also transmits an ID of the telephone 100 before dialing a telephone number. Used.

The input unit 130 detects whether a dial button or a function button is pressed and informs the control unit 110. The function buttons may include a hook flash button, a redial button, an ID play button, a call blocking button, a music play button, an on / off button, and the like.

The ID storage unit 120 stores a unique ID of the phone 100. Since the data stored in the ID storage unit 120 should not be erased even when there is no power supply, that is, even when the phone 100 is not connected to the trunk line, the switches such as the dip switch or the flash memory may not be erased. It is recommended to configure with non-volatile memory.

The ID data stored in the ID storage unit 120 is a number unique to the telephone 100, and may be set by a service company at the time of sale of the telephone 100 or by a manufacturer at the time of production of the telephone 100. have.

The controller 110 reads the ID stored in the ID storage 120 every time a call is made and transmits a DTMF tone sequence corresponding to the ID through the DTMF generator 160.

As a method of transmitting the ID, the control unit provides a separate ID sending button on the telephone 100, and presses this button to transmit the ID every time the user makes a call, or the telephone 100 is connected to the CO line. If you are off-hook, there may be a way to send ID automatically.

When receiving an ID from the telephone, the exchange checks whether the received ID is valid, and if it is a valid ID, sends a dial tone to the telephone so that the user can start dialing. In addition, when the exchange is a valid ID, the exchange charges the telephone call for the ID, and charges the user fee of the user of the telephone 100 by accumulating the call charge for a predetermined period.

<b. Example of Built-in ID Sender>

Figure 2 is a block diagram showing the internal structure of a portable wireline telephone for transmitting an ID to a separate ID signal transmitter as another embodiment of the portable wireline telephone of the present invention.

The telephone 100 of this embodiment is different from the telephone of the embodiment of FIG. 1 in that an ID signal generator 180 is further provided.

The controller 110 causes the ID signal generator 180 to generate an ID signal when a separate ID transmission button is pressed or an ID should be automatically transmitted. Other operations are the same as in the embodiment of FIG. 1, and thus detailed descriptions thereof will be omitted.

As the configuration of the ID signal generator, various modulation methods such as frequency shift keying, phase shift keying, quadrature phase shift keying (QPSK), and the like may be used.

<c. Pager built-in>

Since the portable wireline telephone of the present invention is compact and lightweight, it can also incorporate a pager. 3 is a block diagram showing the internal configuration of a portable wireline telephone with a pager.

The telephone of this embodiment differs from the telephone of FIG. 2 in that a pager circuit such as an antenna ANT, a wireless circuit section 190, and a display section 195 is further provided. In addition, although not shown in the drawing, the pager built-in telephone is provided with a battery, so that the wireless circuit unit 190, the control unit 110, and the display unit 195 operate even when the phone 100 is not connected to the trunk line. I can do it.

The wireless circuit unit 190 demodulates a radio signal entered through the antenna ANT and sends the demodulated signal to the control unit 110. The control unit 110 checks whether the call is on its own and if the call is on its own, sounds a buzzer or vibrates. Ringing, and displays the phone number called on the display unit 195.

In this way, if a pager is built into the portable wired telephone, the pager built-in telephone can be connected to a nearby connection module when a call is made, and the caller can be called. I can make it.

In addition, there is an advantage that it is convenient to store the phone number when the call is stored and then automatically send the phone number through the DTMF generation unit 160 when making a call.

<d. Exterior of the phone>

The landline telephone of the present invention is simple in its construction and does not require a separate battery, so it is possible to implement very light and compact. Therefore, there is no restriction on the appearance of the landline telephone of the present invention. For example, a form similar to a foldable cellular telephone as shown in Fig. 4A, or a so-called Saojung phone as shown in Fig. 4B is called. It may have the form of a headphone type landline telephone.

<2. Telephone service method>

5 is a schematic diagram illustrating a telephone service method using the portable wireline telephone 100 of the present invention.

The user of the portable wireline telephone 100 can connect the portable wireline telephone 100 to any of the connection modules 200a, 200b, .. installed in various places of the street.

Each connection module 200a, 200b, .. has a connection terminal which can be connected to the trunk line connection terminal 101 of the portable wireline telephone 100, thereby connecting the connection terminal 101 of the portable wireline telephone 100 to the connection module. When inserted into the connection terminal of the will be connected to the trunk line from the exchange 300.

The connection module 200a, 200b, .. only serves to connect the portable wireline telephone to the switch, its configuration is simple and very convenient to install. Therefore, the place where the connection module (200a, 200b, ...) can be installed, but there is no limit, for example, if you install in a train waiting room, a hotel or inn room, each table in a coffee shop or restaurant, public telephone booth, etc. It may be convenient for the user. In particular, in the case of public telephone booths, the existing public telephone booths can be used as they are, so that the connection module can be used as a public telephone booth using a card or a coin. .

Each connection module 200a, 200b, .. is connected to the exchange 300 via a telephone line, respectively. The exchanger 300 is provided with a circuit capable of decoding the ID from the portable wireline telephone 100 in addition to a general telephone interface circuit such as a DC feeding circuit, a loop sensing circuit, a ring signal generator and the like. The ID decoder circuit is a DTMF decoder when the ID signal from the portable wireline telephone 100 comes as a DTMF signal, and a demodulation circuit capable of demodulating such a signal when it comes to a signal modulated by a signal such as FSK or PSK. to be.

Each switch 300 is connected to each other via the telephone network 400, and is also connected to a database 500 that stores data on the ID of each portable wireline telephone (100).

When the portable wireline telephone 100 is connected to one of the connection modules 200a, 200b, .. and is off-hook, a DC current is supplied from the exchange 300 to the portable wireline telephone 100, and the exchange 300 The loop detecting circuit detects that the portable wireline telephone 100 is off-hook and waits for an ID signal from the portable wireline telephone 100.

The portable wireline telephone 100 reads the stored ID when the power is supplied from the switch 300, converts the stored ID into an ID signal, and transmits the ID signal to the switch 300. The exchange receives this signal, decodes it, then inquires the data into the database 500 via the telephone network 400, and sends a dial tone to the landline telephone 100 if it is a valid ID. If the ID from the portable wireline telephone 100 is an invalid ID, for example, the ID of the stolen portable wireline telephone 100 or the ID of the portable wireline telephone 100 which is suspended due to a charge payment, the dial tone is used. Instead, give an error tone and make sure you can't make calls.

When the dial tone comes out, the portable wireline telephone 100 dials the desired telephone number and makes a call. When the call is completed and the mobile wired telephone 100 is on-hook, the switch 300 reports the call time and the telephone number of the telephone 100 to the database 500. Then, the call history of the portable wireline telephone 100 is stored in the database 500, and the accumulated call history is converted into a fee at a certain period, and the bill payment notification is issued to the user of the portable wireline telephone 100. .

By such a method, it is possible to use a portable wireline telephone which is inexpensive, lightweight, and has no fear of battery consumption and has no fear of interference by electromagnetic waves.

<3. Home Use>

The portable wireline telephone of the present invention can be used at home (or office). That is, if the ID transmission on / off selection switch is provided in the wireline telephone 100 and the ID transmission on / off selection switch is not turned off when the ID transmission on / off selection switch is off, the ID transmission on / off switch should be turned off when used at home. If you make a phone call, the ID transmission step is skipped, so it works the same as when you use a regular wireline phone. In this way, it is very convenient because the familiar phone can be used at home, office, and even outside. In addition, if the speed dial number and the like are stored in the telephone, the inconvenience of storing the speed dial number for each telephone is eliminated.

4. Application to Mobile Computing

Mobile computing refers to the use of computers to retrieve, process, and transmit data when you're away from your office. Mobile computing typically connects mobile phones to portable computers, such as notebook computers, for data communication.

That is, as shown in FIG. 6A, a cable assembly 710 is connected to the data communication terminal of the cellular phone 700 to connect to, for example, a serial port of the notebook computer 600. The mobile phone 700 is connected to a server connected to a data communication network such as the Internet to perform data communication.

However, this method has the advantage of being able to perform data communication while traveling in a vehicle, but since it is wirelessly connected, it can be affected by the surrounding environment and has a disadvantage of high call charges.

6B illustrates an example of mobile computing using the landline telephone of the present invention. In Fig. 6B, the notebook computer 600 is provided with a modem incorporating the portable wireline telephone circuit of the present invention. Modems are typically built into notebook computers or plugged into notebook PCMCIA ports. One connector of the cable assembly 210 is connected to the trunk line connecting terminal of the modem, and the other connector of the cable assembly 210 is connected to the connection module 200.

That is, when the user of the notebook computer 600 connects the modem of the computer to the connection module 200 provided in the room of the hotel, the restaurant or the coffee shop, turns off the modem and sends an ID, the exchange 300 The dial tone will drop from). The subsequent operation is the same as the connection method using a modem of a general notebook computer (600). That is, while dial tone is coming out from the switchboard 300, the telephone number for connecting to a data communication network is dialed using the software mounted in the notebook computer 600, and data communication is started when connected to the data communication network.

Another method may be a method of connecting the modem of the landline telephone 100 and the notebook computer 600 of the present invention to the connection module 200 in parallel. This method can be used when the modem attached to the computer does not incorporate the portable wireline telephone circuit of the present invention.

First, in order to connect to the data communication network, when the off-line telephone is off-hook and the ID is transmitted as described above, the dial tone is dropped from the switch 300. Then, computer communication may be performed using a modem of the computer 600 connected in parallel in a general manner.

Thus, when using the present invention, even when traveling or going out, the connection module can be used for data communication in a hotel, a coffee shop, a restaurant, or even a public phone booth. Very convenient for those who do.

Although the present invention has been described in detail with reference to some embodiments, these embodiments are illustrative and the present invention is not limited thereto. Those skilled in the art will recognize that the present invention can be variously modified or modified without departing from the spirit of the present invention.

As described above, according to the present invention, it is possible to use a portable wireline telephone which is inexpensive, lightweight, and has no fear of battery consumption and has no fear of interference by electromagnetic waves.

In addition, a portable landline phone with a pager is not only able to answer a call immediately after receiving a call, but also automatically dials the phone number of the caller.

In addition, if the portable wired telephone of the present invention is applied to computer communication using a notebook or the like, there is an advantage that computer communication can be performed while going out or traveling at a low price.

Claims (6)

delete A portable type comprising a line connection unit for connection with a trunk line, an acoustic unit for a call, a DTMF generator for dialing a telephone number, an input unit for detecting a button being pressed, and a control unit for controlling their operation In landline phones, Further comprising an ID storage unit for storing the ID unique to the phone, When the off-hook is detected, the portable wire telephone, characterized in that for transmitting the ID stored in the ID storage unit to the trunk line as a DTMF signal using the DTMF generation unit. A portable type comprising a line connection unit for connection with a trunk line, an acoustic unit for a call, a DTMF generator for dialing a telephone number, an input unit for detecting a button being pressed, and a control unit for controlling their operation In landline phones, ID storage unit for storing the unique ID of the phone, It further comprises a separate ID signal generator, And detecting an off-hook to transmit the ID stored in the ID storage unit to the trunk line using the ID signal generator. delete delete The telephone service method has a registration information of a user of a portable landline telephone and uses a database connected to a telephone network, a plurality of exchangers connected to a telephone network, a plurality of connection modules connected to the switch, and a portable wireline telephone having a unique ID. In Supplying a DC current to the portable wireline telephone by off-hook by connecting the portable wireline telephone to one of the connection modules; Transmitting the unique ID signal in the portable wireline telephone; Receiving the unique ID at the exchange and comparing it with ID information stored in the database; When the received unique ID is a valid ID as a result of the comparison, sending a dial tone from the switch to the portable wireline telephone; Storing the data related to the call charge of the portable wireline telephone in the database as the portable wireline telephone completes the telephone call and on-hooks. Telephone service method comprising the.