KR930010279B1 - Telephone numbers memory and retrieval method - Google Patents

Abstract

The method checks a caller phone number through MFC's Dual Tone Multi Frequency system by recording the caller number. The method provides a way for the user to find the recorded phone number. The method employs a ring sensor (5) which detects ring signal, a speech network (10) which creates a communication line to the phone line, a DTMF tone sensor (15) which decodes and outputs DTMF tones from the speech network, a voice mixing center (25), a message sending stage, a phone number memorization stage, a movement code input checking stage and a phone number checking stage.

Description

How to remember and verify your phone number

1 is a hardware block diagram according to the present invention.

2 is a telephone number storage and confirmation control flowchart according to the present invention.

* Explanation of symbols for main parts of the drawings

10: speech network 20: CPU

25: speech synthesis unit

The present invention relates to a method for storing and confirming a telephone number, and in particular, to store a telephone number of a calling party using a DTMF (Dual Tone Multi Frequency) tone of an MFC telephone. And a confirmation method.

In general, an MFC telephone uses a DTMF tone frequency, which is a synthesized sound in which two synthesized frequencies represent one digit. Conventionally, there has been a method of storing a phone number of a call counterpart by using a display element in a pager, which is a radio call receiver. However, since the pager transmits a specific code wirelessly and detects and displays the code on the pager, it cannot be used as it is in a telephone terminal using a telephone line. In addition, since the pager performs one-way communication, the user only knows the phone number of the call counterpart and has a disadvantage in that he cannot make a call to the call counterpart.

In addition, recent telephones have a method of recording a message of the other party by using the recording tape built in when the user is absent, but only when the user directly manipulates the telephone to hear the other party's message by voice. When there was a problem that you can not know the phone number of the other party. In this case, the other party of the call refers to the party making the call in addition to the user.

Accordingly, an object of the present invention is to provide a phone number storage method for storing a phone number of a call counterpart using DTMF tones of an MFC phone in view of the above problems.

It is still another object of the present invention to provide a phone number verification method for allowing a user to directly check a stored phone number of a call counterpart at a remote location.

It is still another object of the present invention to provide a phone number verification method in which a user can check a stored phone number of a call counterpart by a user operating a phone.

The present invention for achieving the above object is characterized by having a DTMF tone detection unit and a speech synthesis unit for converting the DTMF tone into a voice signal to process the DTMF tone in accordance with a built-in program.

Hereinafter, the present invention will be described in detail with reference to the accompanying drawings.

1 is a hardware block diagram of a telephone according to the present invention, which is connected to a tip line T and a ring line R, respectively, and transmits a ring detector 5 and a voice guidance message for detecting a ring signal to a call counterpart. A speech network 10 forming a furnace, a DTMF tone detector 15 connected to the speech network 10 and decoding the input DTMF tones as binary data, and the ring detector 5 And a CPU 20 which is connected to the DTMF tone detection unit 15 and controls the overall operation for transmitting and guiding a message in response to the ring signal input, analyzing the DTMF tones input, and storing and confirming the telephone number. A voice synthesizer 25 connected to the CPU 20 for converting the corresponding DTMF tone data into synthesized voice, and an LPF 30 for low-pass filtering the synthesized voice connected to the voice synthesizer 25. And the CPU connected to the LPF 30. An analog switch 35 for outputting synthesized voice to the speech network 10 or the amplifier 40 by switching selection of 20, and amplified synthesized voice connected to the analog switch 35 to amplify speech ( An amplifier 40 for outputting to 42, a key matrix 22 connected to the CPU 20, and a switch SW1 for outputting an auto answer mode.

FIG. 2 is a control flowchart of FIG. 1 according to the present invention, wherein a ring signal detection process for searching whether a ring signal is input through a ring detector and a cycle of the ring signal when a ring signal is input from the ring signal detection process are determined. Counting the number of times and converting to the answering machine mode, the announcement message is sent to the called party through the speech network to determine whether the guide message is complete transmission, the guide message transmission process and the guide message transmission process after performing the It is determined whether a DTMF signal is input through the DTMF tone detection unit, and when it is input, a phone number storing process for storing it in a RAM; , Repeat the call number of the call counterpart synthesized by the voice synthesis unit. When the phone number check process for reproducing by voice and the ring signal detection process determine that no ring signal is input, the key input of the key matrix is judged and played, and the stored phone number of the call counterpart is reproduced. In the case of the repetitive key, a key input telephone number verification process of repeatedly playing the stored telephone number of the call counterpart is performed.

Hereinafter, an embodiment of the operation will be described in detail with reference to FIGS. 1 and 2 based on the configuration of the present invention.

First, in FIG. 1, when the user of the telephone goes out, the switch SW1 is turned on and set at the contact point b. Thereafter, when a call of the call counterpart is received through the tip line T and the ring line R in the absence of the user, the ring detecting unit 5 detects a ring and outputs a ring detection signal to the CPU 20.

The CPU 20 performs the steps (2a) → (2b) → (2c) → (2d) → (2e) of FIG. 2 to convert to the auto answer mode and then has a ROM located inside the CPU 20. The guidance message data stored in 20a is inputted to the speech synthesis section 25. At this time, the voice synthesizer 25 converts the guide message data into voice and outputs the voice message to the LPF 30. The LPF 30 applies the low pass filtering of the synthesized voice guidance message to the anilog switch 35, and the love message through the analog switch 35 is controlled by the CPU 20. ) Is sent to the other party. In this case, the guide message is a guide message for inputting a missed guide and a telephone number.

This is the step of (2e)-> (2f)-> (2g) in FIG. For the above operation, the calling party hears the announcement message and dials his own telephone number. Herein, it is assumed that the telephone of the call counterpart is the FM telephone. Accordingly, the dialed DTMF tones are input to the DTMF tone detector 15 through the speech network 10. The DTMF tone detector 15 converts DTMF tones of the call counterpart into binary data and outputs the binary data to the CPU 20. The CPU 20 stores the telephone number of the call counterpart decoded into the binary data in the RAM 20b area and then cuts off the line. This is a step of (2h)-> (2i)-(2p) in FIG. Accordingly, it can be seen that the digits dialed by an external caller by such a procedure are stored in the area of the RAM 20b in the CPU 20 of FIG.

On the other hand, when a user dials his / her own telephone number in order to confirm the stored telephone number, the Re-in call is input to the CPU 20 through the ring detecting unit 5 as described above. Then, as described above, the CPU 20 performs the steps of (2a) → (2b) → (2c) → (2d) → (2e) → (2f) → (2g) in FIG. Done. When the user generates DTMF tones remotely in the state where the guide message is transmitted as described above, it is input to the CPU 20 through the tone detector 15 as described above, and the CPU 20 performs step 2j. Check if the digit entered in is a secret code. If it is determined in the search step that the secret code has been input, the CPU 20 makes a search determination at (2K) (2m) whether the codes continuously input are reproduced codes or repeated codes. The secret code is a number consisting of a user and a DTMF signal contracted for the telephone period.

If the code input in the retrieval step is a reproduction code, the CPU 20 outputs the telephone number of the call partner stored in the RAM 20b to the voice synthesis unit 25, and the voice synthesis unit 25 receives the input. Synthesize and output the data corresponding to the digits. The voice synthesized signal is transmitted to the user in the step 21 through the LPF 30, the analog switch 35, and the speech network 10. At this time, if the user wants to hear the telephone number repeatedly, repeated playback is performed by inputting a password after inputting a password. When the repetition code is input as described above, the CPU 20 repeatedly transmits the telephone number by performing the steps of (2m) → (2n), and by this operation, the user can hear the telephone number repeatedly stored. .

Therefore, the user can dial a contracted secret code by dialing his home from a remote place and check the phone number of the call counterpart by voice. In addition, when the user of the telephone fails to check the telephone number received from the call partner at a remote location, the user can return to the home and check the key by replaying the key and the repetition key installed in the key matrix 22.

For example, if a play key or a repeat key is input while a ring signal is not input, the CPU 20 makes a judgment in the steps of (2g) → (2r) → (2s) and then (21) or (2n). By performing the steps as described above to confirm the telephone number received to the user, but in this case by controlling the analog switch 35 outputs the stored telephone number through the amplifier 40, the user is a speaker 42 You can check with). Therefore, the stored telephone number can be heard by voice without a display through the liquid crystal display element.

As described above, the present invention is advantageous in that the telephone number of the call counterpart can be stored and checked remotely by using DTMF tones, and the stored telephone number can be checked by directly operating the telephone.

Claims (1)

A ring detector 5 for detecting a ring signal, a speech network 10 forming a communication path with a telephone line under predetermined control, and a DTMF tone received through the speech network 10; And a DTMF tone detector 15 for outputting the voice signal, a voice synthesizer 25 for voice synthesis and output of digital data, and control means for controlling the circuits in response to the output of the ring detector 5. A method for storing and confirming a telephone number in a telephone, the method comprising: a message sending step of transmitting a preset guide message in response to a ring signal input and searching for completion of the sending of the guide message, and at the completion of sending a guide message in the message sending step; A phone number storing process for storing the decoded dial digit in a memory, and a play code when the secret code is input while the message is sent in the message sending process; An operation code input search process for searching whether a code is input, and in response to the playback code being received in the operation code search process, in response to the reproduction code, data corresponding to the telephone number stored in the memory is synthesized and transmitted through the telephone line; A telephone number verification process comprising a telephone number verification process and a telephone number verification process of repeatedly transmitting voice synthesis data corresponding to the telephone number stored in the memory in response to the repetition code received in the operation code search process. Remember and confirm.