KR100260949B1 - Apparatus and method for ring stop in telephone - Google Patents

Abstract

PURPOSE: A phone set and a method for stopping a temporarily occurring terminating tone are provided to avoid a phone violence and a prank call by preventing a terminating tone from generating even if a predetermined signal is inputted from a telephone office to a customer by setting a time period during which a phone user would not like to answer a phone and inputting a terminating tone temporarily generated starting time and an ending time in a simple manipulation of external keys. CONSTITUTION: When a user inputs a starting time of a destination ring signal temporarily stop function to a function setting button unit(1), and input s completion time of the destination signal temporarily stop function(2). When a predetermined signal is received from a telephone office to a customer, a condenser performs charging or discharging according to the applied predetermined signal. A voltage discharged from the condenser is inputted to a destination signal detector. A photo coupler of the destination signal detector is continuously turned on or off by the voltage discharged from the condenser, generates a square wave signal and inputs it to a microprocessor. The microprocessor determines that the predetermined signal is applied from the telephone office to the customer according to the square wave signal(5), compares the terminating tone temporarily generation stop function time inputted by the user and the current time of the signal applied from the telephone office(6), lights an LED to display that the terminating tone temporarily generation stop function time has been set(8). When the microprocessor determines that the signal inputted from the telephone office is the signal inputted at a ring signal generation stop time set by the user(7), it controls a switching unit through a control bus to switch off a switch contact point to block a flow of current applied to a speaker driving unit, so that the speaker driving unit does not generate a terminating tone(9). The switch contact point of the switching unit is switched to an LED signal lighting contact point and blinks an LED lamp(10) so that the user is informed of the state in which the phone is destined. When the destination signal applied from the telephone office to the customer is completed, the microprocessor determines the destination completion(11), turns on the contact point of the switching unit to a speaker driving unit contact point(12) and simultaneously turns off the LED lamp contact point(13) so that the phone set maintains a destination standby state.

Description

How to temporarily stop a telephone call and its ring tone

1 is a block diagram of a ring tone detection circuit of a conventional telephone.

2 is a schematic configuration diagram of a telephone having a ring tone pause generation function according to the present invention.

3 is a control flowchart for realizing the present invention.

* Explanation of symbols for main parts of the drawings

A: incoming signal detection unit B: microprocessor

C: Speaker drive part D: Switching part

E: Function setting button

The present invention relates to detecting a ring tone of a telephone, and in particular, to prevent discomfort caused by a ringtone coming in at midnight hours or unwelcome times, and to reduce unnecessary power consumption. It is about.

As shown in Fig. 1, the ring tone detection circuit of the conventional telephone is a ringing signal detection unit (A) for detecting a ringing signal of a constant voltage (20HZ of 78V) supplied from a telephone station, and receiving a ringed signal to create a ring signal. Microprocessor (B) for determining whether or not, and a speaker driver (C) for driving the speaker by receiving the ring signal of the microprocessor (B).

The AC 78V 20HZ signal applied from the telephone station to the customer is applied to the capacitor C ₁ to charge and discharge, and then to the photocoupler PTC of the incoming signal detection unit A. The photocoupler (PTC) is turned on and off by the repeated charging and discharging of the capacitor (C ₁ ) to generate a square wave signal and input it to the microprocessor (B). The microprocessor B outputs a signal of 2KHZ to the speaker driver C when the signal of the input square wave matches the set program or the specification SPEC matches. The speaker driving unit C receives a signal of 2 KHz input from the microprocessor B and emits a ring signal sound.

As described above, when a constant signal (20HZ of 78V) is applied from the telephone company to the customer, the telephone generates continuous ring tones regardless of time and place. The tone makes the phone user uncomfortable.

In addition, the volume of the conventional phone fixed device is provided with a volume control device, the volume can be adjusted, but the mobile device is not equipped with a volume control device, when a constant signal is applied from the telephone station will always emit a ring tone, power consumption There was a problem that occurred.

The present invention has been made in view of the above-described problems, and when the incoming call pause generation start time and the end time are input as a key button by setting a time that is not desired to receive a call, the incoming call pause generation start time and end are inputted. Even if a ring signal is input from the outside for a while, the purpose of the present invention is to prevent a ringing tone from occurring in the set time zone so as to avoid prank calls and phone violence in the middle of the night.

An apparatus feature of the present invention for achieving the above object is a telephone, comprising: a function setting button unit (E) for inputting a start and end time of a temporary stop ringing tone; A microprocessor (B) for outputting a switching control signal when a ring signal is supplied from the outside within the ring tone temporary stop start time and end time input from the function setting button unit (E); According to the switching control signal supplied from the microprocessor (B) is provided with a switching unit (D) for emitting the LED by supplying the ring signal to the LED side rather than to the speaker driver (C) side.

On the other hand, the method features of the present invention, a first step of setting the start time and end time of the ring tone temporary stop; A second step of receiving a ring signal applied from the outside within the ring tone temporary stop time set in the first step; And receiving a ring signal when the ring signal is received and driving the LED to indicate that a call is received from the outside.

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

2 is a schematic configuration diagram of a telephone having a ring tone temporary stop function according to the present invention, and FIG. 3 is a control flowchart for realizing the present invention.

As shown in FIG. 2, the telephone according to the present invention includes an incoming signal detecting unit A, a microprocessor B, a speaker driving unit C, a switching unit D, and a function setting button unit E. Is done. The function setting button unit E inputs the start and end time of the ring tone temporary generation to the microprocessor B. The microprocessor (B) outputs a switching control signal to the switching unit (D) when a ring signal is supplied from the outside within the ring tone temporary stop start time and end time input from the function setting button unit (E). The switching unit D does not supply the ring signal to the speaker driving unit C side in accordance with an appropriate control signal supplied from the microprocessor B to emit LEDs.

When the telephone according to the present invention configured as described above performs the ring tone temporary generation stop function is performed in the order shown in FIG.

First, the user of the telephone has a quiet life without a ringing tone at a time when the user does not want to receive a call and at midnight time, and enters the start time of the ringing signal pause function with the function setting button part E (step 1). Enter the completion time of the ring signal pause function (step 2). When a constant signal (20HZ of 78V AC) is applied from the telephone station to the customer where the telephone is installed, the capacitor C ₁ charges and discharges according to the applied constant signal. The voltage discharged from the capacitor C ₁ is input to the incoming signal detector A. Porter coupler (PTC) in the incoming signal detection unit (A) generates a square wave signal by the continuous "on, off" action by the voltage discharged from the capacitor (C ₁ ), input to the microprocessor (B) do. The microprocessor (B) determines that a predetermined signal is applied from the telephone station to the telephone receiver by the square wave signal input (step 5), and the temporary ringing stop function time input by the user to the function setting button unit E is performed. And time of the signal currently applied from the telephone station are compared (step 6), and the external indicator LED is turned on to indicate that the ring tone temporary stop function time has been set (step 8). If it is determined that the signal input from the telephone station is the signal input at the user-defined ring signal generation stop time (step 7), the microprocessor B controls the switching unit D via the control bus to close the switch contact. OFF ”to cut off the current flow applied to the speaker drive unit C, so that the speaker drive unit C does not generate an incoming sound (step 9). The switch contact of the switching unit D is switched to the LED signal lighting contact to flash the LED lamp (step 10), thereby instructing the user that the telephone is being called. When the incoming signal applied from the telephone station to the customer is terminated, the microprocessor B determines the termination of the incoming call (step 11), and turns on the contact of the switching unit D to the speaker driver C contact (step). At the same time, the LED lamp contacts are “off” (step 13) to maintain the incoming call waiting state.

As described above, the present invention sets a time (especially midnight time) that the user of the telephone does not want to receive an incoming call, and enters the start and end time of the temporary stop ringing tone by simple operation of the foreign key, Even when a certain signal (20HZ of AC 78V) is input, it does not generate a ringing tone, so it can be avoided from phone violence and mischievous phone calls. Can be.

Claims (2)

A telephone, comprising: a function setting button unit (E) for inputting a start and end time of an incoming call temporary generation stop; A microprocessor (B) for outputting a switching control signal when a ring signal is supplied from the outside within the ring tone temporary stop start time and end time input from the function setting button unit (E); And a switching unit (D) for emitting the LED by supplying the ring signal to the LED side without supplying the ring signal to the speaker driving unit (C) side according to the switching control signal supplied from the microprocessor (B). A first step of setting a ringing tone temporary stop start time and end time; A second step of receiving a ring signal applied from the outside within the ring tone temporary stop time set in the first step; And a third step of driving an LED without generating a ringing tone when the ring signal is received to indicate that a call is received from the outside.