JPH0198365A - Receiver - Google Patents

Abstract

PURPOSE:To receive information by the no ringing system by blocking the generation of a call tone in receiving an incoming call signal from a management center, connecting tentatively a telephone circuit and receiving the center information after a personal identification code from the management center is received. CONSTITUTION:A receiver 1 is provided on a house side and center information is received from the management center via a telephone circuit network L of a telephone set T1. In receiving the incoming call signal from the management center, the reception/transmission unit 3 uses a no ringing circuit 60 to block the production of a call tone by a tone ringing circuit 11, the telephone circuit network is connected tentatively and after the personal identification code is received from the management center, the center information is received.

Description

DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a receiving device that is installed in a residence and receives information from a management center via a telephone line.

[Prior Art] Normally, when a telephone receives an ieHz incoming call signal from an exchange, an oscillator within the telephone is activated and a speaker, bell, etc. ring.

However, the automatic meter readings for gas, electricity, water, etc. are immediately sent from the management center to the housing information communication device.
When making a call to a residential information communication device, there is an inconvenience in that the user picks up the receiver, mistaking it for a normal call. In this case, since the information cannot be transmitted to the residential information communication device, a no-ringing method (which does not make the telephone's speaker, bell, etc. ring) is convenient.

In this method, one no-ringing trunk is installed in each telephone exchange, and each no-ringing trunk is connected to a residential information communication device via a telephone line. Normally, the telephone ring signal is 16 Hz, but this method So 10
80Hz was adopted, and when a 1080H1 signal was received, the generation of a ring tone was prevented in the residential telephone.

[Problems to be Solved by the Invention] However, with this method, it is necessary to provide one no-ringing trunk for each exchanger, which results in high costs. The central office does not install a no-ringing trunk. Therefore, in recent years, there has been a demand for a no-ringing system in which a management center calls a residential information communication device without using the no-ringing trunk.

The present invention provides a receiving device that can receive information from a management center in a no-ringing manner without using a no-ringing trunk.

[Means for Solving the Problems] In order to achieve the above object, the receiving device of the present invention is provided in a residence and receives center information from a management center via a telephone line of a telephone. When an incoming call signal is received from the management center, the generation of a ringing tone is prevented and the telephone line is temporarily connected, and after receiving the 18th identification code from the management center, an electric circuit for receiving the center information is connected. We adopted a configuration with

[Effect 1 With the above configuration, the receiving device of the present invention has the following effects.

When an incoming call signal is received from the management center, the ringing tone is blocked and the telephone line is temporarily connected.If a password is received from the management center at this time, the center information from the management center is subsequently transmitted. Receive.

[Effects of the Invention] With the above configuration and operation, the receiving device of the present invention has the following effects.

A receiving ia on the residential side can receive center information from a management center without using a no-ringing trunk and without ringing the bell or speaker of a telephone. To eliminate the inconvenience of not being able to receive center information from a management center because a user picks up the handset of a telephone, mistaking it for a normal call.

[Embodiment] Next, an embodiment of the receiving device of the present invention will be described based on the drawings.

FIG. 1 shows an embodiment of a receiving device of the present invention, and FIG. 2 shows a housing information communication device applied to an embodiment of the receiving device of the present invention.

1 indicates a housing information communication unit 5A which is a receiving device.

2, as shown in Figure 2, there are multiple subscriber home LIEs,
One of the subscriber's residences (hereinafter referred to as the residence)■
This shows the terminal equipment installed in . ■1, ■2, T3...
. . . indicates a general subscriber telephone (hereinafter referred to as a telephone).

2 indicates the telephone line network including switching systems (telephone offices, exchanges). The telephones T1, T2, T3 (old, etc.) are equipped with a tone ringer circuit 11 which is an electronic incoming call indicator. This tone ringer circuit 11 is connected to one line from the telephone line 4151.
It receives the incoming call signal 61-17, rectifies it, operates an oscillator, and makes a speaker etc. sound.

C indicates the management center. The management center C periodically or irregularly receives information from the terminal device 2 via the telephone line network.
Various information such as meter reading information for gas, water, electricity, etc. in the residence, and safety information such as disaster prevention, crime prevention, and emergency services is transmitted, and depending on the information, police stations, fire departments, hospitals, gas companies, or nearby subscribers are sent. Notify the designated authorities such as your home or dispatch personnel.

The terminal equipment @2 includes a gas meter 21, which is an automatic gas meter, a gas leak sensor 22, and a reset switch 23.
, a gas cutoff valve 24, and a receiving/transmitting unit 3 having an electric circuit according to the present invention.

The gas meter reading meter 21 is an automatic meter reading device that detects when gas appliances are using supplied gas, and uses a magnetic sensor element to detect the rotation of a magnet attached to a rotating body that rotates proportionally to the gas usage table. Sends out a pulse signal proportional to usage. In addition to automatic meter reading for gas, automatic meter reading for water, electricity, etc. may also be performed.

The gas leak sensor 22 is a safety device for gas equipment, and when it is inoperable, it is 0■, when it is normal, it is 6■, and when there is a gas leak, it is 1
Produces an output of 2V. The gas leak sensor 22 detects gas leakage in the house 1 when the gas leakage in the house 1 exceeds a predetermined value.

Other sensors include crime prevention sensors, fire sensors, and emergency buttons that subscribers turn on in case of an emergency.
When transmitting various safety information such as disaster prevention and emergency services, the safety information may be directly transmitted to a predetermined l1rA such as a gas company, fire department, police station, or a nearby subscriber's home.

The reset switch 23 is a push button switch in this embodiment, and is operated by a gas company employee when replacing a gas cylinder.

The gas cutoff valve 24 is automatically cut off in response to a gas leak or a cutoff signal from the management center C.

The receiving/transmitting unit 3 includes a gas meter reading meter 21, a gas leak sensor 22, an input section 4 of a reset switch 23, a microprocessor sensor (CPU) S, and a network control device ff (NC).
U)6. ! :, fffFJliTi OyotFTs story O
If the communication connector 7 connects the terminals connected to the management center C via the N-line network, and the main battery 81 includes these
f source circuit 8.

The CPU S inputs the set value of the gas leakage flow rate, the set value of the gas outflow flow rate, the automatic meter reading timer time to the gas meter reading information management center C, the set voltage value of the power supply circuit 8, the user's telephone number, and the gas company's telephone number. It stores initial information such as numbers, stores control procedures for the entire system, automatically reads gas meters, and shuts off the gas cutoff valve 24.

The NCU 6 includes an @line usage detection circuit 61 that detects the usage status of the telephone line network, that is, the call status (call mode) of the telephone T1, and an incoming call message of the telephone T1 (16
Hz), an extrusion sound detection circuit 62, and a management center C.
a center signal detection circuit 63 that detects a password code (for example, A code) from the telephone, a dial signal generation circuit 64 that generates a dial signal, a circuit switching relay 65 that switches between the telephone circuit network between the telephone T1 and the terminal device 2; The circuit switching relay 65 allows the circuit to be shut off (open) or connected (closed).
Switch 66a1 of DC circuit 66 set to telephone connection switch 66b1 tie? 66C, power supply 11jtl once!
167, a bat switching circuit 68 that lowers the average level of the information transmission code to the pipe WlSe>9-C below the level of the selected code such as the telephone number of the other party, and the '111g1 signal of the gas cutoff valve 24 from the control center C. A cutoff signal detection circuit 69 is provided.

Furthermore, among these, when called from the management center C according to the present invention, the first A no-ringing circuit 60 is configured to prevent the generation of a ringing tone and temporarily connect a telephone line network.

The center signal detection circuit 63 has functions such as automatic level control to correct the voltage of the received PIN code to a constant value, detection of the PIN code, and boosting the input voltage to the voltage (for example, 6V) necessary for detecting the PIN code. Equipped with.

The dial signal generation port vB64 is a device that generates a selection code for the called party (management center 〇) and also generates an information transmission code. A bush button (PB) code is generated by combining frequencies.

The opener 66a is used when the NCU 6 transmits various information in the house I to the management center C.
Circuit switching relay 6 when receiving center information from
The switch 66b is opened by the circuit switching relay 65 when the NCU 6 transmits various information in the house 1 to the management center C. The timer 66c is 1
This circuit delays the arrival time to the telephone 111T1 by a predetermined time when a 6 Hz incoming call signal is input.

The operation of this embodiment will be explained based on the operation 70-diameter shown in FIG. 3 and the time chart shown in FIG.

Determine whether there is a call from outside. That is, it is determined whether the ring detection circuit 62 detects the first incoming ring signal (16 Hz) of the telephone T1 shown in a of FIG. 4A (step 31).

Incoming ringing signal (16Hz) not detected (NO)
Then, (step 81) is repeated.

Incoming ringing signal (16i-1z) is detected (YES
), the telephone line network is temporarily connected while the arrival of the incoming call signal to the telephone 11T1 is delayed by the timer 66c. In other words, the output is output to the circuit switching relay 65 to close the switch 66a, open the switch 66b, connect the telephone line network and the center signal detection circuit 63, and connect the solid line shown in part 4 of FIG. As shown, the DC circuit 66 is closed (step 82).

As a result of this operation, the telephone 11T1 is disconnected from the telephone line network, and no incoming ringing signal is input to the tone ringer circuit 11, so that the first ringing tone is not generated as shown in a) of Fig. 4. is blocked (step 83). This eliminates the inconvenience of being unable to receive center information from the management center S-0 because the user picks up the handset of the telephone station T1, mistaking it for a normal call. Further, unlike in the past, the housing information communication device 1 can be transmitted from the management center C using a telephone line network in a no-ringing manner without using a no-ringing trunk.

It is determined whether or not the center signal detection circuit 63 detects the password code (for example, A code) from the management center C shown in FIG. 4 (Step S4).

The center signal detection circuit 63 is detecting the password (
If YES), the polarity is reversed as shown by the solid line in e) in Figure 4 (step 85), and then the management center C
The center information is received from the center (step 86). Here, the center information includes, for example, a cutoff signal of the gas cutoff valve 24, data for sending an automatic gas meter reading value to the management center C, or data for sending the output value of the gas leak sensor 22 to the management center C, etc. .

Then, it outputs to the circuit switching relay 65 to open the switch 66a and close the switch 66b to connect the telephone line network and the telephone I.
TI is connected and the DC circuit 66 is opened (step 87). After that, the operation ends.

When the center signal detection circuit 63 does not detect the password (NO), the ringing detection circuit 62 detects the second incoming ringing signal (16HZ) of the telephone T1 shown in FIG.
is detected (step 88). 2
When the third incoming call signal (161-1x) is not detected (NO), (step 84) is repeated.

When the second incoming call signal (161-1z) is detected (YES), it is output to the circuit switching relay 65 to open the switch 66a, and the switch 66b to open the telephone line network and the telephone llT1. The DC circuit 66 is opened as shown by the broken line in FIG. 4 (Step 89).

As a result of this operation, the incoming call signal delayed by the timer 66c is input to the tone ringer circuit 11, so that a ring tone of the telephone ITI is generated as shown in b) of Fig. 4 (a). Step 510). After the second incoming ringing signal is detected, the direct current circuit 66 is open, so that all the ringing tones of the telephone T1 are generated.

Next, it is determined whether the user has picked up the receiver of the telephone 1 (step 511). When the receiver of telephone +171 is not picked up (NO), the ringing detection circuit 62 is activated again.
It is determined whether the incoming call signal (161-1z) of the telephone 111TI shown in C of FIG. 4A is detected (step 512). When no incoming call signal (16H2) is detected (NO), the operation ends.

When an incoming ringing signal (16H7) is detected (YES, repeat step 511; when picking up the receiver of telephone T1 (YES), perform polarity reversal as shown in the broken line in Figure 4). (Step 513), and a normal phone call is made (Step 514). After that, the operation ends.

[Other Embodiments] In this embodiment, a no-ringing circuit is provided in the terminal device as a device that does not make a sound even when the first incoming call signal is input, but when the first incoming call signal is input, the terminal device is provided with a no-ringing circuit. A circuit that does not input or count signals may be provided.

In this embodiment, a no-ringing circuit that does not produce the first ring tone is provided, but a no-ringing circuit that does not produce the first ring tone may also be provided. It is also possible to provide a no-ringing circuit that makes the phone ring audible and does not make the ringing tone sound only when an incoming call signal from the management center is received.

In this embodiment, the A code is used as the password from the management center C, but the passwords from the management center C include not only the A code but also O to 9, #, X, B, and C.

va such as any D code or a combination of two or more
Even if you use the identification code, it's still crow.

[Brief explanation of the drawing]

FIG. 1 is a block diagram of a receiving/transmitting unit of an embodiment of the receiving device of the present invention, FIG. 2 is a schematic diagram of an embodiment of the receiving device of the present invention, and FIG. 3 is a block diagram of an embodiment of the receiving device of the present invention. FIG. 4 shows a timing diagram of an embodiment of the receiving apparatus of the present invention. In the figure 1... Housing information communication device (receiving device) 2... Terminal device 3... Receiving/transmitting unit (electric circuit) 11
... Tone ringer circuit 60 ... No ringing circuit C ... Management center [, ... Telephone line network T1
, T2, T3... General subscriber telephone

Claims (1)

[Scope of Claims] 1) In a receiving device that is installed on the residential side and receives center information from a management center via a telephone line of a telephone, when receiving an incoming call signal from the management center,
A receiving device characterized by having an electric circuit that prevents generation of a ringing tone, temporarily connects the telephone line, receives a password from the management center, and then receives the center information. 2) The receiving device according to claim 1, wherein the ringing tone is generated by a tone ringer circuit provided within the telephone. 3) The electric circuit includes a switching relay provided between the telephone line and the tone ringer circuit of the telephone, and when the incoming call signal is received, the electric circuit switches between the telephone line and the tone ringer circuit of the telephone. 3. The receiving device according to claim 2, wherein the receiving device is characterized in that the receiving device is configured to cut off the signal automatically.