JPH079475Y2 - Answering machine adapter - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial application] The present invention relates to an answering machine adapter, and more particularly to an answering machine adapter capable of receiving a function code by a voice signal input from a telephone line.

[Problems to be Solved by Conventional Techniques and Inventions] Generally, an answering machine receives a ringing signal transmitted from a telephone line two to three times and then responds to the answering machine to inform a calling side that the answering machine is in an answering machine mode. Will be returned. When the caller sends a message to the answering machine, the message is recorded. The recorded message can be played or erased while at home or while away from home. In order to reproduce and erase the recorded message from the destination, a personal identification number and a so-called remote control signal are sent to the answering machine. Also. Identify whether the incoming call is a fax or a telephone and
A fax / answering machine switching adapter, etc., which switches between and answering machine has been developed. Meanwhile, using the telephone line VT
There is a so-called tele-controller that remote-controls the controlled device by transmitting and receiving function codes corresponding to the operation buttons of the controlled device such as R, refrigerator, air conditioner, etc., and after responding to the call signal like the answering machine, It is designed to receive function codes.

When a telecontroller and an answering machine with this configuration are connected to the same telephone line, the telecontroller and the answering machine have the function of responding independently, so if one answers first, the other cannot answer. is there.

[Object of the Invention] The present invention has been made in view of the above-mentioned difficulties, and makes it possible to reliably receive the function code for controlling the controlled device, monitor the presence or absence of the response message and the message message, and use the telephone line. Since it automatically requests a control command for telecontrol in anticipation of when it is not detected,
An attempt is made to provide an answering machine adapter in which a telecontrol operation is surely executed.

[Means for Solving the Problems] An answering machine adapter according to the present invention includes a telephone line response voltage detector which detects a response voltage of a telephone line and outputs a response signal when an answering machine puts the telephone line in a response state. An off-hook circuit that puts a telephone line in an off-hook state by outputting a response signal, and an answering machine message monitoring circuit that monitors the presence or absence of a reply message and a message message from an answering machine that is sent and received by the telephone line according to the operation of the off-hook circuit. A voice message transmitter that sends a voice message to the telephone line to the effect that the function code can be received when no message or message is detected on the telephone line, and a function code that receives a voice signal to control the operation of the controlled device. And a device control circuit for performing.

[Embodiment] An embodiment of an answering machine adapter according to the present invention will be described in detail with reference to the drawings.

In the figure, the telephone lines L ₁ and L ₂ connected to the telephone network and the answering machine TE ₁ are connected to the terminal 1a of the answering machine adapter 1. Communication between the answering machine TE ₁ and the telephone network is via terminal 1a.
Through a telephone line L _1, L ₂ and, answering machine TE ₁ from the reply message and the telephone network to the telephone network from telephone answering machine TE ₁
The message message to the message is always sent through the terminal 1a regardless of the circuit operation of the answering machine adapter 1.

The answering machine adapter 1 includes a telephone line response state detection circuit 2 and a device control circuit 6.

Telephone line response state detecting circuit 2 is connected to the inlet side is a terminal 1a, answering machine TE ₁ is set to the answering machine mode, the phone if the response to the call signal from the received two or three times to the telephone line L _1, L ₂ The line response voltage detector 3 detects the response voltage of the telephone lines L ₁ and L ₂ , and at the same time, the answering machine message monitoring circuit 4
Monitor the answering and message messages of your answering machine TE ₁ . Telephone line response voltage detector 3 is used for telephone line L ₁ ,
When the response voltage of L ₂ is detected, the CPU 18 is notified via the cable receiver 16 and the data bus 17 that the telephone lines L ₁ and L ₂ are in the response state. Since the CPU 18 sets one input side of the OR circuit 12 to the H level via the data bus 17 and the cable driver 15, the output side of the OR circuit 12 causes the off-hook circuit 13
A response signal S ₁ is sent to. When the off-hook circuit 13 receiving the response signal S ₁ operates, the telephone lines L ₁ and L ₂ are connected to the device control circuit 6. Therefore, if the function code is transmitted from the telephone lines L ₁ and L ₂ , it can be received by the function code receiver 7 of the device control circuit 6 described later. The off-hook circuit 13 recovers when the next function code is not received within a certain time, for example, 6 seconds after receiving the function code.

When the answering machine TE ₁ does not respond even if it receives the call signal a few times in the home mode, the number of call signals received by the 16 Hz receiver 14a is counted by the 16 Hz cycle counter 14b. 16Hz
The cycle counter 14b is slightly larger than the number of times the ringing machine TE ₁ receives the call signal when the answering machine TE ₁ is in the answering machine, for example, 5 to 6 times,
When counting the 16 Hz cycle, the other input side of the OR circuit 12 becomes H
To level. The OR circuit 12 operates the off-hook circuit 13 when the other input side becomes H level. Off-hook circuit 13
The operating time of is determined by the control of the CPU 18 under the same conditions as when one input side of the OR circuit 12 becomes H level.

The answering machine message monitoring circuit 4 monitors the presence or absence of the reply message and the message message of the answering machine TE ₁ transmitted and received through the telephone lines L ₁ and L ₂ , and monitors the monitoring status by the cable receiver.
16, Notify CPU 18 via data bus 17. The CPU 18 controls the voice message transmitter 5 through the data bus 17 and the cable driver 15 in anticipation of the time when the reply message and the message are not detected by the telephone lines L ₁ and L ₂ , and the answering machine adapter 1 transmits the function code. Send a voice message to the effect that it can be received to the telephone lines L ₁ and L ₂ .

The device control circuit 6 is composed of a function code receiver 7, a function code / command converter 8, a command data transmitter 9, a response data receiver 11, and a status monitoring signal transmitter 10. The terminal 6a and the controlled device EQ _n ( n is 1,
2. Send and receive command response data CSD to and from. As shown in Fig. 2, the transmission format of the command response data CSD is a 1-word structure with 0 to 2 bits as a send receive code SRC and 3 to 7 bits as an address AD.
S, 8 to 14 bits are event data EVD.

SRC is 0 for test command CS ₀ , 1 for operation command CS ₁ ,
2 is a recovery command CS ₂ , 3 is an event command CS ₃ , 4 and 5 are preliminary responses CR ₄ , CR ₅ and 6 are designated device status responses CR ₆ and 7 are all device status responses CR ₇ .

When the function code receiver 7 receives the function code and the ID code coincides with the predetermined ID code, the voice message transmitter 5 of the telephone line response state detection circuit 2 responds that the function code is to be continuously transmitted. Send a message or make an OK sound,
For example, 1200 Hz "Pi, Pi, Pi" is sent from the status monitoring signal transmitter 10 to the originating side. Continued telephone line L ₁ , L ₂
When the function code is transmitted from the device, the function code / command converter 8 converts the function code into a command, and the command response data CSD shown in FIG.
Controlled device E that received the command response data CSD
Controlled device with matching address ADS among Q ₁ and EQ ₂
EQ _1, EQ ₂ ‥‥‥ performs power on specified in the event data EVD, off, the operation of such deactivation due configured timer. When the controlled devices EQ ₁ and EQ ₂ complete the specified operation, the command response data CSD is returned to the terminal 6a. When the response data receiver 11 receives the command response data CSD, the response data receiver 11 transmits a 1200 Hz peak indicating that the operation corresponding to the function code received from the status monitoring signal transmitter 10 to the transmission side is surely performed. When the series of operations is completed, the off-hook circuit 13 is restored to break the loop for the telephone lines L ₁ and L ₂ .

[Function of the Invention] In the answering machine adapter of this configuration, the answering machine
When there is an incoming call to TE ₁ , telephone line L ₁ has (-) power supply and telephone line L
A 16Hz ringing signal with the ground connected to ₂ is sent out.
The answering machine TE ₁ and the answering machine adapter 1 receive the ringing signal 2-3 times. When the answering machine TE ₁ answers, the telephone line L ₁ is switched to the (+) power source, and therefore the telephone line response voltage detector 3 detects this response voltage.

When the telephone line response voltage detector 3 operates, the off-hook circuit 13 is operated via the OR circuit 12. Off-hook circuit
Since 13 does not recover until the series of function code receiving operations is completed, the telephone lines L ₁ and L ₂ are not opened even when the answering machine TE ₁ goes on hook. When the off-hook circuit 13 operates, the telephone lines L ₁ and L ₂ are connected to the function code receiver 7, so that, for example, "* △
Send out the personal identification number of "△△△". The personal identification number received by the function code receiver 7 is verified by the CPU 18, and when correct, the state monitoring signal transmitter 10 returns 1200 Hz pee, pee, pee. For example, from the sending side, "# △△△△ *
"△△△ *" is sent, the number next to # (the numbers are 0 to 7)
Command response data CSD shown in Fig. 2
Send Receive Command for CS _{0 to} CS ₃ , CS _{4 to} CS ₇ and CPU 18
, And replace * with a comma, the specified controlled devices EQ ₁ , EQ _2, ... can be controlled according to the function code.

As an example of control, the address ADS for the test command CS ₀ , the event data EVD as don't care, and the power-on / off status of all controlled devices EQ ₁ , EQ ₂ ... From 1200Hz during operation, during recovery
420Hz B, and then send back to the sender side. Operation command CS ₁
Is received, the controlled device specified by the address ADS EQ ₁ , EQ
Power on ₂ and restore command CS ₂ execute power off. In this case, the event data EVD is don't care, and the function data of this part may or may not be sent from the calling side. Address A for event command CS ₃
If the DS and the event data EVD are not input correctly, the controlled devices EQ ₁ , EQ _2, ... Are not controlled, and a 420 Hz bee, bee, or bee indicating that the control has not been executed is returned.

Event data EVD for complex controls other than power on / off
Determined according to the numerical value of.

[Effects of the Invention] As is clear from the above description, the answering machine adapter according to the present invention is a telephone line that detects the response voltage of the telephone line and outputs a response signal when the answering machine puts the telephone line in a response state. Answering voltage detector, an off-hook circuit that puts the telephone line in an off-hook state by outputting a response signal, and an answering machine that monitors the presence or absence of answering and message messages from the answering machine that is sent and received by the telephone line according to the operation of the off-hook circuit. A message monitoring circuit, a voice message transmitter that sends a voice message to the telephone line to the effect that the function code can be received when a response message and a message message are not detected on the telephone line, and a controlled device that receives the function code by a voice signal. Equipped with a device control circuit for controlling the operation of the By monitoring the presence or absence of a response message and a message message, and when both are not detected on the telephone line, it automatically requests a control command for telecontrol.
Telecontrol operation is surely executed.

[Brief description of drawings]

FIG. 1 is a block diagram showing an embodiment of an answering machine adapter according to the present invention, and FIG. 2 is a data configuration diagram of a transmission format according to FIG. 1 …… Answering machine adapter L ₁ , L ₂ …… Telephone line TE ₁ …… Answering machine S ₁ …… Answer signal 13 …… Off-hook circuit 3 …… Telephone line response voltage detector 4 …… Answering machine message monitoring circuit 5 …… Voice message transmitter 6 …… Device control circuit EQ ₁ , EQ ₂ …… Controlled device

Claims (1)

[Scope of utility model registration request] [Claim 1] Answering machine (TE ₁ ) is a telephone line (L ₁ ,
When the L ₂₎ in the response state, the detected response signal to the response voltage of the telephone line (S ₁₎ telephone line response voltage detector for outputting a (3), wherein the output of the response signal (S ₁₎ An off-hook circuit (13) for putting the telephone line into an off-hook state,
Depending on the operation of the off-hook circuit, the telephone line (L ₁ ,
An answering machine message monitoring circuit (4) that monitors the presence or absence of a reply message and a message message of the answering machine (TE ₁ ) sent and received by L ₂ ), and the answering message and the message message are the telephone lines (L ₁ , L ₂ ) A voice message transmitter (5) that sends a voice message to the telephone line (L ₁ , L ₂ ) indicating that the function code can be received when it is not detected, and the function code by the voice signal is received and controlled. An answering machine adapter, comprising: a device control circuit (6) for controlling the operation of devices (EQ ₁ , EQ ₂ ).