KR940009778B1 - Ring-responding method of an auto-response device - Google Patents

Abstract

The method controls ring answering by counting make time of ring signal and break time. The method comprises: a make time counting process counting the make time of input ring signal, a break time counting process checking the make time counting value and counting the break time, a rising checking process checking rising edge input of next ring signal, a break time permissible error checking process checking the break time permissible error of next ring signal, a speech path making process controlling the loop and making the speech path according to the ring counting value.

Description

Ring Response Method in Automatic Answering Device

1 is a system diagram applied to an embodiment of the present invention.

2 is a conventional flow diagram.

3 is a conventional timing diagram.

4 is a flow chart according to the present invention.

5 is a timing diagram in accordance with the present invention.

The present invention relates to a method for answering a ring signal by bridging a normal telephone in parallel in an answering machine. In particular, the present invention relates to a basic ring signal for answering the answer, counts the occurrence of the ring signal, and counts the number of rings. Accordingly, the present invention relates to a ring answering method in an answering device which forms a call path by operating a call path switch, but improves the point of time at which the switch is connected to the call path so as not to perform an answering function when the bridged telephone is heard.

In some cases, a general telephone is connected by a bridge to a telephone call line (Tip, Ring) of an answering machine configured as in the prior art. At this time, the answering machine and the general telephone ring ring at the same time according to the call of the ring signal. In FIG. 2, the ringer circuit 160 and the ring signal are transmitted through the first bridge circuit 100 in the first step 2a. The signal input to the central processing unit 200 through the sensing unit 180 is detected as the ring is turned on at time t1 of FIG. 3a. In the second step 2b, the ring signal becomes low at t2 time. It is detected in FIG. 3a, and the third step 2c increments the ring counter once at this point. The central processing unit 200 sets the number of response rings through the response ring number setting unit 180. In the fourth step (2d), the central processing unit 200 sets the number of ring counters until the set number matches the number of ring counters generated for the current call. Repeat steps 1, 2, 3 and 4 (2a-2d). For example, in the case where the second ring signal is set to respond in two rings, the loop relay is operated in the t4 section in which the second ring signal becomes "low" to form a call path as in the fifth step 2e.

That is, when using a regular telephone connected in parallel with the answering machine, the conventional method is to off-hook a regular telephone between t3-t4 when a ring signal is generated between t4 past the time point t3. If no more ring signal is considered to arrive, the ring signal is " low ", which is applied to the central processing unit 200. In this case, the central processing unit 200 increases the counted ring signal value of the ring counter as shown in the flowchart of FIG. 2. If the set number of response rings is two, the central processing unit 200 automatically responds even after the bridge telephone is off-hook and sends a response message. The call is sent to the other party, which may interfere with the call on the bridged phone.

Accordingly, it is an object of the present invention to count break times when the number of make of a ring signal is a predetermined count and the make value reaches a predetermined value so that it is within the detected predetermined error α of the next ring signal and reaches a predetermined number of ring counts. The present invention provides a method of controlling a ring response by considering that there is no ring signal when connecting to a time line.

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

4 is a flowchart according to another embodiment of the present invention, wherein the ring signal input make time counting process for calculating the make time of the ring signal and the ring signal input make counting process recognize that an input value of the ring signal input make counting process reaches a predetermined value and breaks. Ring signal input for counting time Brake counting process, Rising checking process for checking input of rising edge of next ring signal in the brake counting process, and when rising edge of next ring signal is detected in the process, A break time tolerance checking process for calculating a counter value and checking whether the break time counter tolerance of the next ring signal is within a predetermined range when the ring counting value is at a predetermined value, and when the break time tolerance is within the break time tolerance Calculate count value to control loop when in range A call to form the open call is made to the formation process.

5 is a timing diagram according to the present invention, where 5a is a ring signal waveform and 5b is a loop relay waveform diagram. In Fig. 5a, T1 and T3 are in the "speed" section, T2 and T4 are in the "short" section, in Fig. 5b the "low" state is the loop relay off section, and the "high" state is the loop relay on interval.

The symbols displayed in the flowchart of the present invention of FIG. 4 described above will be described in detail below.

Where MTC is the Make Time Counter, BTC is the Brake Time Counter, BTCR is the Brake Time Counter Reference, α represents the Brake Time Counter tolerance, and RCR Represents the ring counter register and N represents the number of rings at the time of response.

Therefore, a specific embodiment of the present invention will be described in detail with reference to FIGS. 1 and 4-5. In FIG. 1, the first and second bridge circuits 100 and 110 have a line of a communication line (Tip, Ring). The ring signal, which is connected to the first bridge circuit 100, is triggered through the ringer circuit 160, and the triggered ring signal is DC-processed by the AC type ring signal inside the ringer circuit 160. Applied to the device 200. In addition, the ring signal is counted by a counter inside the central processing unit 200 to form a loop by the loop repetition 120 when the predetermined number of rings is reached, and the call path unit 130 is driven for passing through the recording. The device 150 records or reads an external signal and inputs a guide message to the voice signal processor 140 to process and send the guide message to the outside, and the number of rings to be auto-answered is the response ring number setting unit 150. Is set at).

In step 500, all counters and registers MTC, BTC, BTCR, α, RCR, and K on the internal memory RAM of the CPU 200 are initialized. Next, the rising edge of the ring signal as shown in FIG. 5a is detected from the connection port of the ring detecting unit 180 in step 510. When the rising edge of the ring signal in step 510, the MTC is driven in step 520, and the BTC is cleared. In step 530, the MTC counts until the falling edge of the ring signal is stored and stores the counted value. When the MTC reaches the predetermined value K, the BTC is driven in step 550, the MTC is cleared to zero, and the process proceeds until the rising edge of the ring signal is encountered in step 560. That is, it is checked whether the value of the RCR is "0". In this case, in step 630, the BTC value is transferred to the BTCR in step 630, and the RCR value is increased in step 640. FIG. In step 570, when the RCR value is not "0", it is checked whether the BTC is within a predetermined error range. If it is not within the range (BTCR-α≤BTC≤TCR + α), the MTC, BTC, BTCR, and RCR are initialized at step 590, and if it is within the range, the RCR is increased at step 600.

When the RCR value is increased and reaches a predetermined number N in step 610, the relay 120 is turned on in step 620. That is, the central processing unit 200 determines that the time T1 between t1 and t2 in FIG. 5A is equal to or greater than a predetermined time, that is, from the direct rim current supply time of the exchanger, and a signal corresponding to an abnormal state arrives. In one case, T2 of FIG. 5a, which is the time between the first ring and the second ring, is stored separately. In the following, it is checked whether T3 of FIG. 5a, the second ring signal section is equal to or longer than T1. If the result of the check is equal to or less than this, the ring is regarded as stopped during the arrival and does not respond, and the ring count is performed again from the beginning.

Meanwhile, when the section T3 of FIG. 5A is longer than a predetermined time, the central processing unit 200 continuously monitors the time when the third ring signal arrives next. At this time, the T4 section of FIG. 5A, which is the time of the second "stage", is counted together with the monitoring of the signal, and when the signal is longer than the T2 section without the detection of the signal in the R4 state, the next ring does not come. There is no automatic response from the conference ring, and the ring count is restarted from the beginning. In step 580, when the third ring signal arrives within the time between T4-α and T4 + α, the loop relay 120 is immediately connected to connect the communication path.

In this way, when the off-hook of the bridged telephone is off while the ring of the conventional method arrives, there is a problem in that it is not detected, but an in-use circuit is used to solve this problem. Without knowing the fact that off-hook of the bridged telephone on the way to the ring without the present invention can be implemented without additional hardware. On the other hand, if two rings are set for the reason that the off-hook is not detected during the ring, the time for the first ring tone has no reference. This is because it cannot be compared.

As described above, when the answering machine and the regular telephone are used in parallel, when a ring comes, it is determined whether to automatically answer the answer. On the other hand, in this way, the telephone used in parallel is equivalent to the number of rings. If you pick up the bridge phone at the time of doing so, there is an advantage that it does not interfere with the call because it does not answer basically.

Claims (2)

A ring answering method of an answering device in which an answering device and a general telephone are connected in parallel, comprising: a ring signal input make time counting step of calculating a make time of the ring signal coming; and a ring signal input make counting step A ring signal input brake counting process for recognizing whether an input value reaches a predetermined value and counting a break time, a rising checking process for checking an input of a rising edge of a next ring signal in the brake counting process, and a next ring in the process The break time tolerance checking process of calculating a counter value of the ring counter when a rising edge of the signal is detected and checking whether a break time counter tolerance of the next ring signal is within a predetermined range when the ring counting value is at a predetermined value. And the ring count when in the break time tolerance range. Ring answering method for an answering machine comprising calculating a call value and forming a call path by controlling a loop when it is in a predetermined range. The method of claim 1, wherein the break time tolerance checking process deems that the next ring does not come when the break time tolerance exceeds a predetermined range without detecting a ring signal, and does not perform an automatic response in n rings. Ring answering method in an answering machine.