JPS62179261A - Telecontrol device - Google Patents

Abstract

PURPOSE:To simplify a constitution and to prevent speaking from being impossible due to the mistake of switching of channel by controlling the load according to the number of times of receiving of calling sound signals by dialing from the control side. CONSTITUTION:When the number of times of receiving of calling sound signal by the first dialing and the first secret number of times coincide with each other in controlled side, an identification coincidence signal Ve is outputted from the first number of times judging means 4. When coincidence between the number of times of calling sound signals corresponding to the second dialing and the second identification number of times is obtained, an identification coincidence signal Ve' is outputted from the second number of times judging means 5. When calling sound signals are generated more than preset the third identification number of times, a load control signal Vf that inverts the state of operation of a load is outputted from the third number of times judging means 6 at the time when the first calling sound signal corresponding to the third dialing is received, and an operation detection signal is inputted to a reply control means 9. The reply control means 9 sets timing to make a telephone circuit 1 the state of speaking according to the state of the operation of the load 11.

Description

DETAILED DESCRIPTION OF THE INVENTION [Technical Field] The present invention relates to a telecontrol device that remotely controls a load via a telephone line.

[Background Art 1 Conventionally, in this type of telecontrol device that remotely controls a load via a telephone line, the control side calls the telecontrol vcW1 to put it into a talking state, and transmits a frequency multiplexed signal or a time division multiplexed signal. It was designed to transmit control signals.

That is, when the telecontrol device is called by the control side by dialing, it puts the telephone line into a communication state, receives a control signal sent from the control side, and decodes this control signal to set a predetermined load. It was supposed to form a load control signal to control the load. However, such telecontrol, roll i! The device requires special control signal transmitting means on the control side, and has the disadvantage that the load cannot be remotely controlled from any telephone. ! In addition, it requires a call switching means to switch between normal telephone calls and control calls, which complicates the configuration and increases costs. There was an inconvenience that calls could not be made in some cases. Therefore, in order to solve this inconvenience, it is possible to remotely control the load by using the ring tone (FI) when a telephone call arrives, but it is likely that the load will malfunction due to a wrong call or a prank call. There was a problem.

[Object of the Invention] The present invention has been made in view of the above-mentioned 5α, and its purpose is to remotely control a load from any telephone without the need for special control signal transmission means or call switching means. The structure can be simplified and costs can be reduced, and the desired call will not be disabled due to a switching error in the call switching means, and the load will not malfunction due to a wrong call or a prank call. [Disclosure of the Invention] (Example) Fig. 1 is a block circuit diagram showing the configuration of the present invention, in which the ring tone detecting means 2 is connected to the telephone via the telephone diagram #11. The six-times detecting means 3 detects a 16Hz ringing signal (a signal with a 3-second period that causes a ringing bell to ring for 1 second at 2-second intervals) transmitted by the computer and outputs a ringing tone pulse Va, for example. It is formed by a counter that counts the number of times the ringing tone pulse is received, and outputs a signal for the number of times the ringing tone pulse is received. The first number determination means 4 determines whether the number of times the ringing tone signal corresponding to the first dialing from the control side is received is a preset first number of passwords, and if they match, a password matching is performed. Outputs the number Ve. The second number of times determining means 5 determines whether the number of times the ringing tone signal corresponding to the second dialing is received matches the second number of times of the password, and if the number of times the ringing tone signal corresponding to the second dialing is received matches the second number of times, the second number of times determining means 5 generates a password matching signal Ve'.
Output. The third number of times determination means 6 determines the ringing tone signal corresponding to the next third dialing when the password matching signals Ve, Ve' are output from the first and second number of times determination means 4.5. The number of receptions is determined, and if the preset number of receptions is 9, the load control signal f is output, and the load 11 is controlled via the load control means 7. The motion detection means 8 detects the motion state of the load 11 (for example, on or off state!!
It detects the motion and sends a motion detection signal to the reply control means 9. The reply control means 2.1 controls the timing of setting the telephone line 1 to the talking state based on the operation detection signal, and sends a ringing tone signal (corresponding to the third dialing) from the replying means 10 to the calling state. ) is received to return an operation confirmation signal indicating the operating state to the control side via the telephone line 1.6 In addition, in the embodiment, a counter is used to determine whether the number of receptions of the ring tone signal and the number of passwords match. The voltage proportional to the number of pulses obtained by integrating the ringing tone pulses is compared with the reference voltage generated based on the number of passwords, and the number of times the ringer signal is received and the number of passwords are determined in an analog manner. It may also be possible to determine whether the . Further, three or more number determination means for determining whether the number of times a ringing tone signal corresponding to dialing is received matches a preset number of passwords may be provided to more reliably prevent malfunctions. It goes without saying that control information such as selection of the load 11 may be transmitted based on the number of times a ringing tone signal is received corresponding to a plurality of dialings.

The operation of the embodiment will be specifically explained below.

FIG. 2 (&) shows the ringing tone pulse Va output from the ringing tone detection means 2, and this ringing tone pulse Va is counted by the number detection means 3 for each dialing.

Here, at the end of each dialing ring signal,
α, that is, the point at which the receiver on the control side goes on-hook, is determined by whether or not the next pulse is input within 3 seconds from the fall of the ringer pulse, and if there is no pulse input for 3 seconds or more, the current timetable is The counter is reset as if the reception of the ringing tone signal by the ring has ended, and is ready for counting the number of times the ringing tone signal is received by the next dialing.

tjr12 Figure (C) shows the counter reset signal Vc, in which the counter is reset when it is at the 'H' level, and the counter performs a counting operation when it is at the 'L' level. The operation is performed in synchronization with the rising edge of the signal Vcl (signal shown in FIG. 2(d)), which is the ringing tone signal delayed by 0.5 seconds. It is determined that the number of receptions counted by the number of times detecting means 3 and the number of passwords corresponds to the number of times when the ringing tone signal corresponding to the first dialing is detected. If they are different, no password matching signal will be output.

Now, when the handset of the controlling side telephone is taken off-hook and the telephone number of the controlled side telephone is dialed, a ringing tone signal is sent from the central office to the controlled side via the telephone M1. On the control side, when the number of ringing signals for the first dialing reaches a preset first number of passwords (three times in the embodiment), the control side puts the handset on hook and calls the receiver for the first dialing. Abort the call. At this time, on the controlled side, since the number of times the ringing tone signal is received by the first dialing matches the first password number, the first number of times determining means 4 outputs the password matching signal Ve. . Next, on the control side, the phone number of the controlled side is dialed again (for example, by using the redial function), and the second ring signal is the second password number (
(2 times in this embodiment), if the handset is put on hook and the second dialing is canceled, the controlled side displays the number of times the ringing tone signal corresponding to the second dialing is received and the second A match with the number of passwords is obtained, and the second number of times determining means 5 outputs a password matching signal Ve'. In this way, when the password matching i fi9Ve, Ve' is output from both number of times determining means 4 and 5, Pj&3
The determination operation of the number of times determination means 6 becomes possible, and the load control data is set in a state in which it can accept the load control data. FIG. 2(e) shows the output timing of the password match redemption code V et V e. When a ringing signal is generated more than the number of times (one time in the embodiment), the operating state of the load is determined from the third number of times determining means 6 at the time when the first ringing signal corresponding to the third dialing is received. An inverted load control signal vf as shown in FIG. 2 (f) is output. The load control latching relay of the load control means 7 is invertedly driven by this load control signal Vf, and the operating state of the load 11 is inverted (on-off, off-on). The operation state of the load 11 after the inversion control is detected by the operation detection means 8, and the operation detection signal is sent to the return controller p'i.
9 is input. The reply control means 9 sets the timing to put the telephone line 1 into the talking state according to the operating state of the load 11, and in the embodiment, when the load 11 is on, the ringing signal is obtained three times. load 11
When the is off, the reply means 10 is controlled to put the telephone #11 into a talking state when the ringing tone signal is obtained five times, and an operation confirmation signal is sent back to the control side. Therefore, on the control side, the operating state of the load 11 can be confirmed based on how many times the ringing tone signal for the third dialing is generated to enter the talking state. Figure 2 (g) is call control No. 16,
The solid line indicates call timing 1 when the load 11 is on.
The alpha ray is the call timing when the load 11 is in the OFF state, and the time during which the telephone line 1 is in the call state is set to about 3 seconds in the embodiment, but it goes without saying that it can be set arbitrarily. If it is necessary to notify the control side that the load 11 is in an uncontrollable state, for example, when the ringing signal is generated seven times, the telephone line 1 is put into a talking state at α and a failure signal is sent. You may also have it reply.

In addition, by considering continuous dialing control only when the next dialing call is made within 30 seconds after the previous dialing call was canceled, the This is designed to prevent malfunctions caused by ringing signals. That is,
The determination result of the number of times the ring tone ε corresponding to the previous dialing was received is valid for only 30 seconds to prevent malfunctions, and FIG. 2(b) shows the dialing continuity detection signal vb. The continuity of dialing is guaranteed during the "L" level, and the determination result of the number of times the ringing tone signal was received due to the previous dialing is canceled when the dialing reaches the "H" level.

[Effects of the Invention] As described above, the present invention provides a system in which the number of receptions of each ring tone (number g) corresponding to multiple dialings from the control side matches the number of passwords set in advance for each dialing. means for determining the number of times a password matching signal is output when a password matching signal is obtained; load controlling means controlling a load according to the number of times a ringing tone signal is received corresponding to dialing after a password matching signal is obtained; Based on the operating condition of the load?I
It consists of a reply means that returns an operation confirmation signal by keeping it in a talking state for a certain period of time at a predetermined timing, and the load is controlled by the number of times a ring tone signal is received by dialing from the control side. Therefore, the load can be controlled from any telephone without the need for a special control signal transmission means, and no call switching means is required.
The configuration is simple and costs can be reduced, and the desired call will not be disabled due to a mistake in switching the call switching means. In addition, the ring tone signal is compatible with multiple dialings. After checking whether the control signal is a legitimate control signal by determining the number of times it has been received, control data is accepted, which has the effect of making it difficult for malfunctions to occur due to mistaken calls or prank calls. Compared to the case where it is determined whether the control signal is a legitimate control signal based on the number of times the ring tone signal corresponding to the dialing is received, malfunction prevention can be sufficiently prevented by reducing the number of passcodes 8! This has the effect that the number of times a ringing tone signal is received can be reduced, and the time required for control can be shortened. That is, 1
In the case of checking the number of passwords by dialing the number of times,
It is necessary to set the number to be much larger than the maximum number of times the ring signal is received during normal calls (for example, 10 times or more).
When checking the number of passwords by dialing twice, sufficient malfunction prevention function can be obtained even if the number of passwords is set to 2 or 3, and the number of times the ring tone signal is received can be reduced to reduce the control required. It becomes possible to shorten the time. Furthermore, since a reply means for replying with the operational status of the load is provided, the load control status can be grasped reliably and control errors are less likely to occur.

[Brief explanation of drawings]

FIG. 1 is a block circuit diagram of an embodiment of the present invention, and FIG. 2 is an explanatory diagram of the same operation. 1 is a telephone line, 2 is a ringing signal detection means, 3 is a number detection means, 4.5.6 is a number detection means, 7 is a load control means, 8 is an operation detection means, 9 is a reply control means, and 10 is a reply Means 11 is a load.

Claims (1)

[Claims] (1) Number-of-times determining means for outputting a password matching signal when the number of times each ringing signal is received from the control side corresponding to multiple dialing matches the number of passwords set in advance for each dialing. a load control means for controlling a load according to the number of times a ringing signal is received corresponding to dialing after a password matching signal is obtained; A telecontrol device consisting of a reply means for returning an operation confirmation signal while remaining in a talking state for a certain period of time.