JPS631231A - Doorphone device - Google Patents

Abstract

PURPOSE:To secure a call. between a doorphone device and its slave device by adding an automatic dialing device to a master doorphone device and dialing automatically a prescribed number when a call is received from a slave doorphone device to call an outside telephone. CONSTITUTION:When a transfer button is pushed on a keyboard 17, a memory control part 19 detects the push of the transfer button and a transfer enable state is set. Then a push-button 5 of a slave doorphone device 1 is pushed in a transfer set mode. Thus a call signal detecting circuit 9 detects the push of the button 5 and this information is transmitted to the part 19. The part 19 starts a relay L114 according to a telephone number registered previously to sends said information to a telephone circuit 18. In such a way, an outside telephone can be called out through the circuit 18 connected to a master doorphone device 2 with push of a transfer switch on a control button the keyboard 17 in case a call is received from the device 1.

Description

DETAILED DESCRIPTION OF THE INVENTION Field of the Invention The present invention relates to a door intercom device used in an intercom device, a standalone telephone device, a button telephone device, and the like.

Conventional technology Conventionally, this type of doorbell device has been equipped with a pushbutton switch, a speaker, and a speaker on the side of the doorphone slave unit.By pressing the pushbutton switch, the Kogane doorphone base unit is notified of the presence of a visitor, and a microphone is output. It is configured so that you can talk to the doorphone base unit using the speaker. FIG. 4 shows an outline of the above-mentioned conventional door intercom device, and its operation will next be explained. In FIG. 4, there are all visitors, and the pushbutton switch 4 of the doorbell slave unit 41 is activated by the guests.
If 2 is pressed, the oscillator 48 operates and the speaker 49 outputs a ringing tone. Listen to this ringtone on the doorbell base unit 4G, respond to it,
When you pick up the handset 50, the speaker 43 of the door intercom handset 41
, the microphone 44, and the handset 50 of the door intercom main unit 46 to enable conversation with the visitor. In this way, even with the above-mentioned conventional door intercom device, when a visitor presses a button on the door intercom slave unit, the door intercom base unit notifies the visitor that there is a visitor, and the visitor can have a conversation with the visitor.

Problems to be Solved by the Invention However, with the above-mentioned conventional door intercom device, calls from the door intercom handset are only sent to the door intercom main unit, and there is a problem in that if the person is away from home, the call cannot be answered at all to the visitor. there were.

The present invention is intended to solve these conventional problems, and aims to provide an excellent door intercom device that can adequately respond to visitors even when the user is away.

Means for Solving the Problems In order to achieve the above object, the present invention provides an automatic dialing device in the doorphone base unit, so that when a call is received from the doorphone slave unit, a predetermined telephone number is automatically dialed, and the doorphone base unit automatically dials a preset telephone number. It is configured so that a call can be made to the telephone at the other end and a conversation can be made between the telephone and the door intercom handset.

Therefore, according to the present invention, when a call is received from the door intercom handset while the user is away, the phone number registered in advance can be automatically dialed and the phone with that phone number can be called. It has the effect of allowing you to easily talk to visitors through your telephone even when you are away.

Embodiment FIG. 1 shows the configuration of an embodiment of the present invention. In FIG. 1, reference numeral 1 denotes a door intercom slave unit, which is connected to a door intercom base unit 2. As shown in FIG. The door intercom handset 1 is comprised of a high-print circuit 6 that separates the sending and receiving calls, a speaker 3 for producing a receiving sound, a microphone 4 for sending calls, and a pushbutton switch 5.

The door intercom main unit 2 is provided with a hybrid circuit 7 and a handset 8 that are connected to the intercom slave unit 1 and a telephone line 18. 9 is a calling signal detection circuit for detecting a calling signal from the door intercom handset 1; 10 is a signal tone detection circuit; 12 is a tone signal detection circuit for detecting an incoming signal from the telephone line 18;
13 is a current detection circuit that detects the current of the telephone line 18;
Reference numeral 7 denotes a keyboard having dial buttons, control buttons, etc., and signals from this keyboard 17 are sent to a storage and control section 19. A relay control signal is output from the memory and control unit 19, and each relay L114, L215
．． L316 is controlled. Reference numeral 20 denotes an oscillation circuit, and this oscillation circuit 20 is controlled by a control signal from the storage and control section 19 and outputs a signal sound to the speaker 21. Same, 11
2 is a coupling transformer that couples the telephone line 18 and the intercom handset 1, and 22 is a hook switch connected to the storage and control section 19.

Next, the operation of the above embodiment will be explained.

First, the operation as a normal door intercom device will be explained. When the pushbutton switch 5 in the door intercom handset 1 is turned on, the ringing signal detection circuit 9 detects this and stores the information in the memory control unit 19 that there is a call from the door intercom handset 1.
tell to. The storage control unit 19 drives the oscillation circuit 20 to output a ringing tone from the speaker 21. When the doorphone main unit 2 is turned on and the ringing tone from the speaker 21 is heard, and the receiver 8 is lifted in response to the ringing tone, the hook switch 22 is activated and the ringing tone is transmitted to the memory and control section 19. The storage and control unit 19 receives this signal and activates the relay L316.
Each relay contact 63-1. /13-2 is switched to the b side. As a result, the door intercom handset 1 and the handset 8 are connected to each other and a conversation is possible.

When the call ends and the handset 8 is put down, the hook switch 22 is turned off, and the memory and control section 19 detects this and returns the relay L316 to its original state, returning to its initial state.

Next, the transfer operation will be explained. When the transfer button provided on the keyboard 17 is pressed, the storage and control unit 19 detects this and enters a setting state in which transfer is possible.

In the transfer setting state, when the push button 5 of the door intercom handset 1 is pressed, the calling signal detection circuit 9 first detects it and transmits it to the storage and control section 19. Memory, control unit 1
9 causes the incoming signal detection circuit 12 to check whether a call is being received on the telephone line 18, and if no call is being received, the relay L114. Activate relay L215 and connect each relay contact 1h, t22-
1. Switch 12-2 to b side.

Subsequently, the storage and control section 19 operates the relay L11.1 according to the pre-registered telephone number and sends it to the telephone line. When the transmission of the telephone number is completed, the response of the other party is detected by the outputs of the current detection circuit 13 and the signal tone detection circuit 10. - If the other party does not respond within a fixed time, relay L114. The relay L215 is restored and the process is terminated.

- If the other party answers within a fixed time, you can talk to the doorbell sl. When the call ends and the other party on the telephone line 18 hangs up, the current detection circuit 13 signal sound detection circuit 1
0 works and transmits it to the memory and control section 19. Memory,
The control unit 19 thereby controls each relay Ll 14. L2
15 and return the entire device to its original standby state.

In this way, according to the above embodiment, the control button 17
When the transfer switch is pressed, when there is a call from the door intercom handset 1, the call can be made through the telephone line 18 connected to the door intercom base unit 2, allowing you to call the outside light etc. even when you are not home. It has the advantage of being easy to respond to.

FIG. 3 shows an outline of another embodiment, in which a key telephone device is provided with a door intercom handset.

Therefore, in this embodiment, there are multiple telephone lines that can be accommodated, and since it is possible to automatically select an empty line and make a call, even if one telephone line is receiving a call, a call from a doorbell handset can be answered. , the problem of not being able to transfer it almost never occurs, which has a greater practical effect.

In the above two embodiments, the registration number is stored in only one place, but the registration number may be stored in more than one place. In this case, even if the other party does not answer with the first registered number or the first registered number is busy, it is possible to obtain the effect that another registered number can be used to call another telephone. .

Effects of the Invention As is clear from the embodiments described above, the present invention is configured so that a call from a door intercom handset can be automatically transmitted to a telephone at a place outside the home using a telephone line, so that a call from a door intercom handset can be automatically transmitted to a telephone at a place outside the home. It has the advantage of being easy to respond to.

[Brief explanation of the drawing]

Fig. 1 is a schematic block diagram of a door intercom device according to an embodiment of the present invention, Fig. 2 is a front view of the main parts of the same device, Fig. 3 is a schematic block diagram of another embodiment, and Fig. 4 is a conventional door intercom device. FIG. 2 is a schematic block diagram of a door intercom device. 1...Doorphone slave unit, 2...-Doorphone base unit, 3...
, speaker, 4... microphone, 5... push button switch, 6... hybrid circuit, 7... hybrid circuit, 8... telephone receiver, 9... ringing signal detection circuit,
DESCRIPTION OF SYMBOLS 10... Signal sound detection circuit, 11... Call transformer, 12... Incoming signal detection circuit, 13... Current detection circuit, 14... Relay, 15... Relay, 1
6... Relay, 17... Dial and control button, 18... Telephone line, 19... Memory, control section, 20... Oscillator section, 21... Speaker, 22...
. . . Hook switch, 31 . . . Main device, 32 . . . Door phone handset, 33 . Bn...Connection cable, C4-Cn...
interface section for button telephone, 35... call path network;
Di=Dm...telephone line interface section, Ei-
Em...connection cable, Fi~Fm...telephone line. Name of agent: Patent attorney Toshio Nakao and 1 other person 2W
J Figure 3

Claims (1)

[Claims] A means is provided for detecting when a push button provided on the door intercom handset is operated and automatically transmitting a signal of a pre-registered telephone number to the telephone line, and when the other party answers, A door intercom device configured to be able to talk to the other party using a speaker and a microphone.