JPH0566783B2 - - Google Patents

Description

[Detailed description of the invention]

INDUSTRIAL APPLICATION FIELD This invention relates to a receiving system using a telephone line, and particularly to a telephone that can receive messages by inserting a card capable of recording messages, etc. into a transmitter/receiver such as a telephone line. This article relates to a reception system using wires. BACKGROUND ART Conventionally, there has been no receiving system in which a card capable of recording messages can be inserted into a transmitter/receiver such as a telephone to receive message contents.
A similar device is an answering machine, in which when you are away, you connect a special recorder to your telephone at home, and record a message to the effect that you are away on tape. It is a device that can be used to connect to a telephone and use it to convey pre-recorded messages to the other party when a call comes in, or to record the message from the other party. However, it is not possible to confirm the presence or absence of a message from outside, such as a public telephone, while being portable. Problems to be Solved by the Invention When you want to send a message to your home or a friend's house by phone, there are times when the public phone is not open or when you call, the person on the other end is not home and you cannot send the message. There are also times when you only need to send a message and don't want to talk to the other person directly. As described above, everyone has experienced the inconvenience and dissatisfaction associated with telephone calls several times, and there is a desire for a system that can automatically send a message to the other party at a later date, even if the other party is not present. An object of the present invention is to provide a receiving system using a telephone line that can easily receive information indicating messages sent to oneself at any desired location and at any desired timing. Means for Solving the Problem This invention provides a center device that temporarily stores and relays information indicating the telephone number of the called destination and information indicating the message sent, a receiving device connected to the center device by a line, and a receiving device connected to the center device by a line. A reception system comprising a card detachably connectable to the device, the center device comprising a storage means for storing at least information indicating a message and information indicating a telephone number of a called party; includes a numeric keypad for inputting the recipient's telephone number, a reception mode designation key for specifying a reception mode for receiving information indicating a message from the center device, and a memory for storing reception information from the reception device. and means, the receiving device comprises:
means for reading information indicative of a recipient telephone number stored on the card in response to connection with the card and key input of a reception key of the card; The apparatus includes means for receiving information indicating a message stored in a storage means of the device in correspondence with information indicating a called telephone number, and means for sending the received information to the storage means of the card. The above card may further include audio output conversion means for outputting the information received from the receiving device and stored in the storage means as audio information. The above-mentioned center device may include a command transmission means for transmitting an emergency command, and the above-mentioned voice output conversion means may include a ring tone generation means for generating a ring tone in response to the emergency command from the command transmission means. . Furthermore, the above-mentioned center device may be provided with a calling signal transmitting means for transmitting a calling signal by radio, and the above-mentioned card may be provided with a calling signal receiving means for transmitting a calling signal from the calling signal transmitting means. Operation The storage means of the center device stores information indicating the telephone number of the called party and information indicating the message corresponding thereto. Information indicating the recipient's phone number is input using the numeric keypad on the card. The storage means of the card stores information indicating the entered recipient telephone number. When the receiving mode designation key is input and the card is inserted into the receiving device, the reading means of the receiving device reads information indicating the recipient's telephone number stored in the storage means of the card. The receiving means of the receiving device receives information indicating the message stored in the storage means of the center device in correspondence with the information indicating the called destination's telephone number, based on the read information indicating the recipient's telephone number. The sending means sends information indicating the received message to the storage means of the card. The audio output conversion means of the card reproduces the information stored in the storage means as audio information. Furthermore, the ringing tone generation means of the voice output conversion means is
A ring tone is generated in response to an emergency command transmitted from the command transmitting means of the center device. Further, when a calling signal is transmitted by radio from the calling signal transmitting means of the center device, this calling signal is received by the calling signal receiving means of the card. DESCRIPTION OF EMBODIMENTS FIG. 1 shows an embodiment of a reception system using a telephone line according to the present invention. Transmitter/receiver 3 is handset 3
2 and a numeric keypad 33, and can also be used as a normal pushbutton phone. Further, the transceiver 3 includes a card insertion slot 31 and a display lamp 34. When the card 1 on which a message or the like is recorded is inserted into the card insertion slot 31, the contacts 18 on the back of the card 1 and the contacts (not shown) inside the transceiver 3 come into contact. This allows the contents of the message recorded on the card 1 to be communicated through the transceiver 3. The display lamp 34 is provided to display the operating state of the transceiver 3 by blinking during transmission and reception, and by turning on, for example, when transmission and reception by the card is completed. Transmitter/receiver 3
is connected to the exchange 4 through a telephone line. The exchange 4 is equipped with a memory 41 for storing messages transmitted from the card 1 via the transceiver 3.
The exchange 4 is accessed by inserting the receiver's card 1' into the transmitter/receiver 3 on the receiving side, and transmits the message contents recorded in the memory 41 of the exchange 4 to the card 1' through the telephone line. The handset 32, numeric keypad 33, etc. of the transceiver 3 do not need to be provided when the card 1 is used to make a call. The transceiver with these removed is shown as 3'. Furthermore, instead of storing the contents of the message from the exchange 4, it may be stored in the home telephone 3 or 3'. The storage device of the transceiver 3 provided for this purpose is shown as a memory 35, and the storage device of the transceiver 3' is shown as a memory 35'. In this case, if the transmitter/receiver is equipped with a handset 32, it is also possible to confirm only the message by simply picking up the handset. In the case of a transmitter/receiver without a handset, the presence or absence of a message can be confirmed by inserting a card 1 that stores the recipient's telephone number. Furthermore, instead of storing message contents in the exchange 4, a separate message center may be provided and the message contents may be stored there. Also, since the phone number of the adult to be used is registered in Card 1, it is also possible to make a normal phone call by inserting Card 1 into Transmitter/Receiver 3 using only this registered number. . The exchange 4 is also provided with an antenna 5 for receiving an emergency signal from a sending card and transmitting a paging signal to a receiving card. The antenna 5 is also used as a relay for wireless communication using a card, as shown in FIG. 11, which will be described later. FIG. 2 shows an external view of the front surface of a card used in the present invention. On the surface of the card 1, there is a power supply section 1.
1, display section 12, keyboard 13, microphone 14,
A speaker 15 and an antenna 16 are provided.
The power supply section 11 is composed of, for example, a solar cell or a dry battery. The display section 12 is composed of a liquid crystal film or the like, and displays input contents, calculation results, key operation guidance, and the like. keyboard 13
has a numeric keypad, calculator function keys, and function keys for specifying modes. The function keys include a wireless mode designation key to specify the wireless communication mode for wireless communication in emergencies, a registration mode designation key to designate the registration mode to register phone numbers, etc. in the card's memory,
It includes a transaction mode designation key for designating a transaction mode for processing transactions using an automatic teller machine at a bank, etc., and an emergency mode designation key for designating an emergency mode for transmitting a call signal to the other party's card in an emergency. Furthermore, the function keys include a recording mode specification key to specify the recording mode when recording, a playback mode specification key to specify the playback mode when playing back the recorded content, and a transmission mode when transmitting from the card. It includes a transmission mode designation key, a reception mode designation key for designating the reception mode when receiving, and a stop key for stopping the operations designated by the above function keys. These keys are preferably configured as touch keys. The microphone 14 is used to input messages and the like into the memory of the card 1. The speaker 15 converts the contents of the memory of the card 1 into voice, and generates a ring tone in response to a wireless call. The antenna 16 is for receiving radio waves such as emergency calls and transmitting and receiving radio communications. The vertical and horizontal dimensions of the card 1 are approximately the same as those of conventional bank cards and credit cards, and the thickness is such that a microphone 14 and a speaker 15 can be incorporated therein. FIG. 3 shows the back of card 1. A magnetic stripe 17 and contacts 18 are provided on the back side of the card 1. The magnetic stripe 17 is the same as the magnetic stripe provided on conventional cash cards and credit cards. When the card 1 is inserted into the card slot of the transceiver that also serves as a telephone as explained in FIG. This is the contact point. Further, by providing the magnetic stripe 17 or contacts 18, this card can be used to process transactions using a bank's automatic teller machine. FIG. 4 is a schematic block diagram of card 1. Here, a state in which the card 1 is connected to the transceiver 3 is shown. The display section 12 and keyboard 13 shown in FIG. 2 are connected to the CPU of the control circuit 25.
Also, the microphone 14 is connected to the A/
The speaker 15 is connected to a D (analog/digital) converter 21 and a D/A (digital/analog) converter 23 through a switch SW2. A/D converter 21 and D/A converter 23
is connected to memory 22 and interface 24. The A/D converter 21 converts analog data such as a message inputted from the microphone 14 into digital data, and the converted digital data is stored in the memory 22. Also, D/A
The converter 23 converts the digital data stored in the memory 22 into analog data,
The converted analog data can be reproduced as audio from the speaker 15. switch SW1
The switching of the switch SW2 is under the control of the control circuit 25. The memory 22 is connected to an interface 24, and the interface 24 is connected to the transceiver 3 via the contact 18, so that the digital data stored in the memory 22 can be transmitted through the transceiver 3 or transmitted by the transceiver 3. Received data can be received and stored in memory 22 . In this case, the data transmitted between the interface 24 and the transceiver 3 is digital data. The memory 22 and the interface 24 are connected to a control circuit 25 and are controlled by the CPU of the control circuit 25. Further, the antenna 16 is connected to a control circuit 25 in FIG. The control circuit 25 has a built-in ROM, RAM, and CPU, and the ROM stores programs for controlling the electronic circuit shown in FIG. 4, performing calculations, and processing transactions. Although not shown in FIG. 4, the power supply section 11 shown in FIG. 2 supplies power to the electronic circuit of the card 1 shown in FIG.
In addition, the electronic circuit shown in Figure 4 can be used as an IC (integrated circuit).
It is preferable to make the card itself compact. Table 1 shows the switches in the schematic block diagram of Figure 4.
The relationship between the states of SW1 and switch SW2 and the mode of the memory 22 is shown.

[Table] In recording mode, the control circuit 25 is switch SW1.
is turned on, the memory 22 is placed in write mode, and the switch SW2 is turned off. As a result, the audio input information is converted into an analog electrical signal by the microphone 14, further converted into a digital signal by the A/D converter, and written into the memory 22. In the transmission mode, the control circuit 25 turns off the switch SW1,
Set memory 22 to read mode and press switch SW2
Turn off. As a result, the information stored in the memory 22 is read from the memory 22 and transmitted to the transceiver 3 via the interface 24. In the reception mode, the control circuit 25 turns off the switch SW1, sets the mode of the memory 22 to the write mode, and turns off the switch SW2. Thereby, the information received by the transceiver 3 is written into the memory 22 via the interface 24. In the playback mode, the control circuit 25 turns off the switch SW1,
Set memory 22 to read mode and press switch SW2
Turn on. As a result, the digital information stored in the memory 22 is read from the memory 22, converted into an analog signal by the D/A converter 23, and reproduced from the speaker 15 as audio information. FIG. 5 shows an embodiment in which the microphone 14 and speaker 15 of FIG. 4 are used for both purposes. The microphone speaker 26 has the functions of both a microphone and a speaker. The audio signal input from the microphone speaker 26 is converted into digital data by the A/D converter 21 and stored in the memory 22, and is also received from the transceiver 3 via the interface 24 and stored in the memory 22. The digital data is converted into an analog signal by the D/A converter 23 and reproduced as audio by the microphone speaker 26. Table 2 shows the relationship between the state of switch SW1 in the schematic block diagram of FIG. 5 and the mode of memory 22.

[Table] In the recording mode, the control circuit 25 is the switch SW.
1 to the a terminal side in FIG. 5, and the mode of the memory 22 is set to write mode. As a result, the audio input information is converted into an analog electrical signal by the microphone speaker 26, further converted into a digital signal by the A/D converter, and written into the memory 22. In the transmit mode, the control circuit 25 turns off the switch SW1 and sets the mode of the memory 22 to the read mode.
As a result, the information stored in the memory 22 is read from the memory 22 and transmitted to the transceiver 3 via the interface 24. In the reception mode, the control circuit 25 turns off the switch SW1 and turns off the memory 2.
2 to write mode. As a result, the transceiver 3
The information received at is written to memory 22 via interface 24. In the reproduction mode, the control circuit 25 connects the switch SW1 to the b terminal side in FIG. 5, and sets the mode of the memory 22 to the read mode. As a result, the digital information stored in the memory 22 is read from the memory 22 and transferred to the D/A.
The converter 23 converts the signal into an analog signal, and the microphone speaker 26 outputs the signal as an audio signal. FIG. 6 is a schematic block diagram of another embodiment of the invention different from FIG. 4. In FIG. 4, the data transmitted between the interface 24 and the transceiver 3 is digital data, but in FIG. 6, analog data can be transmitted. That is, the digital data stored in the memory 22 is converted into analog data by the D/A converter 23, and then sent to the interface 24 via the d terminal of the switch SW2, and the analog data received at the interface 24 is switch
The data is converted into digital data by the A/D converter 21 via the b terminal of SW1 and stored in the memory 22. Table 3 shows the relationship between the states of switch SW1 and switch SW2 and the mode of memory 22 in the case of FIG.

[Table] In the recording mode, the control circuit 25 is the switch SW.
1 is connected to the a terminal in FIG. 6, the mode of the memory 22 is set to write mode, and the switch SW2 is turned off. As a result, the audio input information is converted into an analog electrical signal by the microphone 14, further converted into a digital signal by the A/D converter, and written into the memory 22. In the transmit mode, control circuit 25 turns off switch SW1, sets the mode of memory 22 to read mode, and connects switch SW2 to terminal d in FIG. As a result, the digital information stored in the memory 22 is read from the memory 22 and
The data is converted into analog data by the A converter 23 and transmitted to the transceiver 3 via the interface 24. In the reception mode, the control circuit 25 switches
Connect SW1 to terminal b in FIG. 6, set the memory 22 to write mode, and turn off switch SW2. As a result, the analog data received by the transceiver 3 is transmitted via the interface 24,
The data is converted into digital data by an A/D converter and written into the memory 22. In the reproduction mode, the control circuit 25 turns off the switch SW1, sets the mode of the memory 22 to the read mode, and connects the switch SW2 to the c terminal side in FIG. This allows memory 2
The digital information stored in the memory 22 is read from the memory 22, converted into an analog signal by a D/A converter, and outputted from the speaker 15 as an audio signal. FIG. 7A is a flow diagram showing the operation of inputting a message to card 1 of FIG. Next, the operation of inputting a message to the card 1 will be explained with reference to FIGS. 1 to 7A. The person entering the message must first
The user inputs a registration number such as his or her telephone number using the numeric keypad of card 1 (step S1). The registration number is a type of PIN number. The reason why the user is required to input the registration number is to prevent his or her card from being used by others without permission. The registration number is stored in advance in the memory 22 of the card 1, and is checked by the control circuit 25 inside the card 1 (step S2). If the verification result is not acceptable due to an input error, please re-enter the registration number. If the verification result is acceptable, the user presses the registration mode designation key on the card 1 (step S3), and then inputs the other party's telephone number using the numeric keypad (step S4). Next, the user presses the recording mode designation key (step S5) and inputs a message into the microphone (step S6). When the input of the message is finished, the stop key is pressed (step S7) to end the recording. FIG. 7B is a flow diagram showing the operation when transmitting the message input on the card. Next, the operation of transmitting a message input on a card will be explained with reference to FIGS. 1 to 7B. First, card 1
Press the transmission mode designation key (Step S).
8). Subsequently, the card 1 is inserted into the card insertion slot 31 of the transceiver 3 shown in FIG. 1 (step S9).
The contacts 18 of the card 1 come into contact with contacts in the transceiver, and the message contents stored in the memory 22 are transmitted. The message to be sent includes a registration number such as the phone number of the sender's card, the contents of the message, and the receiver's phone number. The transmitted message is stored, for example, in the memory 41 of the exchange 4 in FIG. When the transmission is completed (step S10), the display lamp of the transceiver lights up, and the card 1 is ejected (step S11). FIG. 7C is a flow diagram showing operations when making an emergency communication. Next, operations for making emergency communications will be explained with reference to FIGS. 1 to 7C. First, the emergency mode designation key of card 1 is pressed (step S12). The following operation is the seventh
It is the same as figure B. However, in the case of an emergency communication, the destination card is called by wireless communication from the exchange 4 or a separately provided message center. When the card detects a calling radio signal using an antenna 16, a ringing tone is emitted from a speaker. The card holder can receive messages by inserting the card 1 into a nearby transceiver 3. Message reception will be explained next using FIG. 8. FIG. 8 is a flow diagram showing operations when receiving a message. Next, the operation for receiving a message will be explained with reference to FIGS. 1 to 8. As in the case of message input shown in FIG. 7A, the recipient first inputs a registration number such as his or her own telephone number (step S17). If the verification result by the control circuit 25 is acceptable, the reception mode designation key is pressed (step S19). Subsequently, the card 1 is inserted into the card insertion slot 31 of the transceiver 3 or 3' shown in FIG. 1 (step S20). The transceiver 3 or 3' calls the exchange 4 (step S21), and then connects the line with the exchange 4 (step S22). The exchange 4 detects the corresponding message data from the memory 41 based on the telephone number sent from the receiving card (step S23). If there is corresponding message data, the message data is transmitted from the exchange 4 to the receiving card (step S24). The card records the contents of the message in the memory 22. When reception is completed (step S25), the transceiver 3 ejects the card (step S26) and ends the operation. Note that, when the card completes reception, the contents of the message stored in the memory 41 of the exchange 4 may be automatically deleted. Also, if there is no reception operation using the card within a certain period of time, the exchanger 4
It is desirable that the contents of the message stored in the memory 41 are erased. This is because the memory 41 has a limited storage capacity. FIG. 9 is a flowchart showing operations when listening to the contents of a message received from the other party or confirming a message input by oneself. Next, the operation for listening to the contents of the message recorded on the card will be explained with reference to FIGS. 1 to 9. To listen to the contents of the message, first press the reproduction mode designation key of card 1 in FIG. 2 (step S27). depending on,
The control circuit 25 of the card 1 converts the message data digitized and recorded in the memory 22 into analog data using the D/A converter 23.
5, it is generated as an audio signal. When the reproduction is completed (step S28), the stop key is pressed (step S29). It can be played any number of times. Furthermore, during playback, the other party's telephone number can be displayed on the display section 12 of the card 1. FIG. 10 is a flowchart showing the operation when erasing the contents recorded on the card. Next, the operation for erasing the contents recorded on the card will be explained with reference to FIGS. 1 to 10. When deleting a message, the registration number, which is a personal identification number, is first keyed in as in the case of inputting and receiving a message (step S30). This is to prevent others from erasing it without permission, so please enter your password and memory 2 in advance.
This is to confirm that the numbers recorded in 2 match. If the numbers match, then key in the other party's phone number. Control circuit 2 of card 1
Step 5 compares the data stored in the memory 22 with the entered telephone number of the other party (step S33), and when the clear key is input from the keyboard 13 (step S34), deletes the corresponding data. do. This card can also be used to conduct wireless conversations. FIG. 11 shows an embodiment of a system for conducting wireless conversations. As shown in FIG. 11, card holders can communicate with each other through a mutual exchange. FIG. 12 shows operations when conducting a wireless conversation using the system shown in FIG. 11. next,
Operations for conducting a wireless conversation will be described with reference to FIGS. 11 and 12. The card holder enters a registration number such as a telephone number (step S) in the same way as when entering a message.
35). If the input registration number matches the pre-recorded number, the registration mode designation key of card 1 is pressed (step S37). Next, key in the other party's number (step S38), and then
Press the wireless mode designation key (step S3)
9). A calling signal is emitted from the antenna 16 of the card 1, reaches the other party's card through the exchange 4, and the other party's card issues a response signal. When the sending card detects a response from the other card (step S40), the sending mode designation key is pressed (step S41). Next, a message is input through the microphone 14 (step S42). Next, when the reception mode designation key is pressed, (step S4
3), enters reception mode. Next, a response signal from the other party's card is detected (step S44), and the message sent is received (step S45). If the reception is completed and there is no further call, the stop key is pressed (step S47). The card 1 can also be used as a bank card, as described in the explanation of FIG. FIG. 13 shows the operations for entering the necessary information on the card before a transaction. Next, the operation of this transaction pre-input will be explained. First, enter the transaction number using the numeric keypad of card 1 (step S4).
8). Here, the transaction number is a number that indicates whether the transaction is a withdrawal, a deposit, or a transfer. continue,
Enter the password (step S49). This PIN number is a number predetermined to identify your bank account. Next, if withdrawal is selected as the transaction process, the withdrawal amount is input (step S50). The input data is stored in the memory 22 of the card 1. FIG. 14 shows operations and processing when a transaction is processed using an automatic teller machine installed at a bank or the like using a card into which transaction information has been input according to the flowchart of FIG. 13. Next, this operation and processing will be explained. The card reader of the automatic teller machine used here is provided with contacts corresponding to the contacts 18 of the card 1 in order to exchange information with the card. Although the automated teller machine may perform transaction processing based on the information read from the card, it is also possible to record a transaction processing program in the card's memory and perform transaction processing integrally with the card. You can also do this. For this purpose, the control circuit 25 of the card 1
The ROM stores the transaction processing program,
The CPU used is one that performs advanced processing such as transaction processing. Since the card needs to have a large storage capacity, it is preferable to use an IC. below,
The card of this invention is called an IC card. The customer first inputs the transaction mode designation key on the card. Subsequently, the IC card into which predetermined information has been input is inserted into the automatic teller machine according to the flowchart of FIG. 13 (step S51). The IC card is connected to the automatic teller machine via the card contacts 18. Accordingly, the card's CPU processes the transaction according to the transaction processing program recorded in the ROM. The CPU of the IC card compares the pre-registered password with the password input in advance as shown in FIG. 13 (step S52). This verification is based on the pre-entered PIN number and magnetic stripe 1.
This may be done by comparing the password with the password recorded in 7. If they do not match, a display indicating that the transaction is not possible is displayed (step S57), the IC card is ejected (step S60), and the operation ends. The amount of the withdrawal amount will be displayed. The customer confirms the withdrawal amount and presses the confirmation key on the keyboard of the automated teller machine (step S) to perform the transaction.
54). If the customer wants to change the withdrawal amount or cancel the transaction process, press the cancel key (step S).
58). If the confirmation key is pressed, the withdrawal slip is ejected together with the money (step S55), and the transaction is then recorded in the memory of the IC card (step S56). Next, erase the data entered in advance on the IC card (step S5).
9), eject the IC card (step S60),
Finish the operation. If the cancel key is pressed after the amount is displayed in step S53, the subsequent operations are performed from step S59 as explained above. Furthermore, as explained in FIG. 2, since the IC card 1 has a calculator function, the card can be used for everyday shopping and household budget calculations. Effects of the Invention As described above, according to the present invention, when information indicating a message to be sent to a recipient is stored in the storage means of the center device together with information indicating a destination telephone number for calling the recipient. In response to the connection with the card and the key input of the reception mode designation key of the card, the receiving device stores the recipient's telephone number in the storage means of the center device based on the information indicating the recipient's telephone number stored in the card. The information indicating the message stored in correspondence with the information indicating the called destination telephone number of the card can be received and sent to the storage means of the card. Therefore, if a recipient wishes to receive information indicating a message sent to him/her, he/she must input information indicating the recipient's telephone number using the numeric keypad on the card he/she carries, and then press the reception mode designation key. By simply inputting the information and connecting the card to the nearest receiving device, information indicating the desired message can be received. Therefore, if the recipient carries this card, he or she can receive information indicating messages sent to him/her at any location and at any time. In addition, the emergency command issued by the center device is output as a ringtone from the card, so if the recipient carries the card, he or she can receive the emergency command sent to him or her from the center device at any location and at any time. Can receive emergency orders from. Furthermore, since the calling signal transmitted by the center equipment wirelessly is received by the card, the recipient can receive the call signal sent to him/her from any place and at any time as long as he or she carries this card. You can receive calls from.

[Brief explanation of the drawing]

FIG. 1 shows a receiving system using a telephone line according to an embodiment of the present invention. FIG. 2 is an external view of the front surface of a card used in an embodiment of the present invention.
FIG. 3 is an external view of the back of the card shown in FIG. 2.
FIG. 4 is a schematic block diagram of a card according to an embodiment of the present invention, which communicates with an external transceiver using digital data. FIG. 5 shows a device in which the microphone and speaker of FIG. 4 are used in combination. FIG. 6 is a schematic block diagram of a card according to an embodiment of the present invention, which communicates with an external transceiver using analog data. FIG. 7A is a flow diagram showing the operation when inputting a message to the card. FIG. 7B is a flow diagram showing operations when transmitting a message using a card. 7th C
The figure is a flow diagram showing operations when making an emergency communication. FIG. 8 is a flow diagram showing operations when receiving a message. FIG. 9 is a flow diagram showing operations when reproducing a received message. FIG. 10 is a flowchart showing the operation when erasing a message recorded on a card. FIG. 11 is a flow diagram showing a system for performing wireless communication using a card. FIG. 12 is a flowchart showing operations when carrying out a wireless conversation using the system of FIG. 11. FIG. 13 is a flowchart showing advance input when performing transaction processing using a bank's automatic teller machine or the like. FIG. 14 is a flow diagram showing operations and processing when performing transaction processing using the card pre-inputted in FIG. 13. In the figure, 1 is a card, 3 is a transceiver, 4 is a switch, 11 is a power supply, 12 is a display, 13 is a keyboard, 14 is a microphone, 15 is a speaker, 16
17 is an antenna, 17 is a magnetic stripe, 18 is a contact, 21 is an A/D converter, 22 is a memory, 23 is a D/A converter, 24 is an interface, 25 is a control circuit, and 26 is a microphone speaker.

Claims (1)

[Scope of Claims] 1. A center device that temporarily stores and relays transmitted information indicating a telephone number of a called party and information indicating a message, a receiving device connected to the center device via a line, and the receiving device and a card detachably connectable to the center device, wherein the center device includes a storage means for storing at least information indicating a telephone number of a called party and information indicating a message; The card includes: a numeric keypad for inputting the recipient's telephone number; a reception mode designation key for specifying a reception mode for receiving information indicating a message from the center device; and a reception mode designation key for specifying a reception mode for receiving information from the reception device. and storage means for storing, the receiving device reads information indicating a recipient telephone number stored in the card in response to connection with the card and key input of the reception mode designation key of the card. and means for receiving information indicating a message stored in the storage means of the center device corresponding to the information indicating the called party's telephone number, based on the information indicating the recipient's telephone number read from the card. and means for sending the received information to the storage means of the card. 2. The reception system using a telephone line according to claim 1, wherein the card further comprises audio output conversion means for outputting the reception information stored in the storage means of the card as audio information. 3. The center device is equipped with a command transmission means for transmitting an emergency command, and the audio output conversion means is equipped with a ring tone generation means for generating a ring tone in response to the emergency command from the command transmission means. A reception system using the telephone line described in Scope 2. 4. The center device is provided with a calling signal transmitting means for transmitting a wireless calling signal, and the card is provided with a calling signal receiving means for transmitting a calling signal from the calling signal transmitting means. A reception system that uses telephone lines.