KR970011411B1 - Auto-dialing method - Google Patents

Abstract

The method saves the frequently used telephone number in memory unit and dials the number automatically after the fixed time is elapsed when off-hook is tried. The method includes steps; a) the first step saves the frequently used telephone number in memory unit; b) the second step determines whether the off-hook signal is sensed in the state that no calling signal is applied from exchange system connected to public line; c) the third step determines whether the fixed time is elapsed by using timer unit; d) the fourth step forms communication path by dialing the saved telephone number automatically; and e) the fifth step cuts off the communication path when on-hook is detected during the fourth step.

Description

How to Dial Automatically

1 is a configuration circuit diagram of a typical telephone.

2 is a flowchart for realizing an automatic dialing method of a telephone according to the present invention.

* Explanation of symbols for main parts of the drawings

10: ringer circuit 20: control unit

30: voice processing unit 40: amplifying unit

50: keypad portion BD: bridge diode

TR1, TR2: Transistor PC1: Photocoupler

R1 ~ R3: Resistance C1 ~ C5: Capacitor

TR: TransSPK: Speaker

The present invention relates to a telephone, and more particularly, to an automatic dialing method of a telephone for storing a telephone number frequently used by a user of the telephone in a memory means and automatically dialing after a predetermined time when the telephone receiver is off-hook. .

In the conventional telephone, the telephone number of the other party frequently used by the user is driven by the input button provided in the key input means and the telephone number to be stored, and then the address number to be stored is selected or stored, or the input button and the telephone number to be stored and After the input button is driven, the address address to be memorized is selected and stored in the memory means, and the one-touch or two-touch key input means are operated for speed dialing, and the addition provided by the telephone station. Subscribed to the service of a direct dial telephone service.

As described above, in the conventional telephone which shortens frequently used telephone numbers, the user has to off-hook the handset means and checks the dial tone transmitted to the voice output means to input a predetermined number of key signals. There is a problem in that a separate service fee must be paid when using a direct telephone additional service function of a telephone company.

SUMMARY OF THE INVENTION The present invention has been made in view of the above-described problems, and an object thereof is to store a phone number of a specific party frequently used by a user of the telephone in a memory means and then off-hook the handset means for a predetermined time. After the elapsed time, it is automatically dialed to provide convenience for use, and it is economical because it does not pay a separate service fee.

In order to achieve the above object, there is provided a dialing method of a telephone, comprising: a first process of storing a telephone number of a counterpart frequently used by a user at a predetermined address of a memory means by using a key input means; And a second step of detecting whether a signal for off-hook is detected in a state in which an incoming signal is not applied from the exchange system connected to the trunk line after performing the first step, and performing off-hook in the execution of the second step. A third step of detecting whether or not a predetermined time set by driving the tire means when the signal is detected; and automatically dialing the telephone number stored in the first step when the predetermined time set by performing the third step has elapsed. To complete the call by forming a call path and performing the call; When the signal for the on-hook is detected, the automatic dialing method of the telephone comprising the fifth step of blocking the call path formed in the fourth step.

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

1 is a configuration circuit diagram of a general telephone, and FIG. 2 is a flowchart for realizing the automatic dialing method of the telephone according to the present invention.

As can be seen in FIG. 1, the telephone includes a ringer circuit unit 10, a control unit 20, a voice processing unit 30, an amplifier unit 40, a keypad unit 50, a bridge diode BD, and a transistor TR1. TR2), photocoupler PC1, and a plurality of resistors R1 to R3 and capacitors C1 to C5. The ringer circuit portion 10 is a capacitor C1 and a resistor R1 from an exchange system connected to a trunk line. When the incoming signal is applied through the predetermined signal outputs the incoming signal sound to the speaker (SPK) through the primary and secondary side of the capacitor (C2) and transformer (TR). The photo coupler PC1 emits light according to an incoming call signal applied from the trunk line to display the location of the telephone to the user at night. The bridge diode BD rectifies the voltage applied from the trunk line and supplies it to the operating power required for the telephone. The control unit 20 controls the overall operation of the phone operation, and counters a predetermined time when detecting the off-hook of the handset means, and automatically dials the telephone number stored in the memory means when the predetermined time elapses. The voice processing unit 30 processes voice signals transmitted and received when a communication path with a specific counterpart is formed through an exchange system. The amplifying unit 40 amplifies the received voice signal and various tone signals applied from the voice processing unit 40 through the condenser C4 to a predetermined level and transmits them through the speaker SPK. The keypad 50 has ten keys 0 to 9 for storing in the other party's telephone number dialing and memory means and predetermined function keys.

An automatic dialing operation of a telephone number frequently used by a user in a telephone having a function as described above will be described with reference to FIG. 2.

After the user drives the input button among the function buttons of the keypad 50, the frequently used customer's telephone number is stored in a predetermined address address of the memory means using the ten keys (0 to 9) and the input button (step). 101). Then, the control unit 20 detects whether the incoming signal (RI) is applied from the exchange system connected to the trunk line, and if the incoming signal (RI) is detected in step 102, the general call mode according to the operation of the hook switch (HS). (Step 110), if it does not detect the incoming signal (RI) from the exchange system, the operation of the hook switch (HS) connected to the handset or the operation of the off-hook dial button (Off Hook Dial) of the keypad 50 (Stem 103) If the detection of the step 103 does not detect the operation of the hook switch (HS) or the driving of the off-hook dial button, it detects the application of an incoming signal from the exchange system connected to the trunk line or the step 103 And continuously detect the operation of the hook switch (HS) or the operation of the off-hook dial button in the detection of step 103. 104. During the counting of the predetermined time set in step 104, the control unit 20 detects an input of a dial button from the keypad unit 50 (step 105), and when the input of the dial button is detected, the general call mode. If a call path is formed according to the input key signal, and the input of the dial button is not detected, the driving of the hook switch HS or the off-hook dial button is detected (step 106).

If the input of the hook switch HS or the off-hook dial button is not detected in the detection of the step 106, it is detected whether or not the predetermined predetermined time counted by the timer means has elapsed (step 107). If the predetermined time set in the detection of the step 107 has not elapsed, the step 104 is executed. If the predetermined time elapses, the control unit 20 is in the "high" state from the "low" state to the base terminal of the transistor TR2. After outputting the signal, the frequently used counterpart's telephone number stored in the memory means is automatically sent to form a communication path with the exchange system connected to the trunk line (step 108).

Thereafter, the control unit 20 detects an operation of the off-hook dial button of the hook switch HS or the keypad 50 (step 109) to control the operation of the off-hook dial button of the hook switch HS or the keypad 50. Upon detection, the controller 20 outputs a "low" signal to the base terminal of the transistor TR2 to cut off the communication path.

As described above, the telephone according to the present invention stores a telephone number frequently used by a user in a memory means, and when the telephone is off-hook, counts a predetermined time and automatically dials the stored telephone number. To provide.

Claims (4)

A dialing method of a telephone, comprising: a first process of storing a telephone number of a counterpart frequently used by a user by using a key input means at a predetermined address of a memory means; and a switch system connected to a trunk line after performing the first process A second step of detecting whether a signal for off-hook is detected in a state in which an incoming signal is not applied, and if the signal for off-hook is detected in the execution of the second step, the tire means is driven by the tire means. A third step of detecting whether a time has elapsed, and a fourth step of making a call by automatically dialing a telephone number stored in the first step if a predetermined time set in performing the third step has elapsed; If a signal for on-hook for call termination is detected in the process and the fourth process, the fourth process Auto-generated method of telephone dialing comprising a fifth step of blocking a call. 2. The automatic telephone dialing method of claim 1, wherein when the application of the incoming signal is detected from the exchange system connected to the trunk line in the execution of the second process, the telephone call dialing method is entered according to the off-hook of the handset means. The method of claim 1, further comprising: entering a general call mode when detecting a key signal applied from the key input means before a predetermined time elapsed in the execution of the third process, and entering a standby mode by detecting a signal for on-hook. Automatic dialing method of the telephone machine, characterized in that. 2. The apparatus of claim 1, wherein when detecting an off-hook through the handset means, the telephone number stored at the first address address of the memory means is automatically dialed, and when the off-hook is detected through an off-hook dial button of a key input means. And an automatic dialing of a telephone number stored in the second address of the means.