JPH08237378A - Cordless telephone system with door phone - Google Patents

Abstract

PURPOSE: To provide the cordless telephone system with a door phone and a master unit which are not connected by radio if there is a visitor during the absence. CONSTITUTION: The cordless telephone system is provided with a master unit 2 connected with a telephone line, one or more slave units connected with the master unit 2 by radio, and one or more door phones 1 connected with the master unit 2 by radio 2. The door phone 1 is provided with a storage means having an area so as to store an answering message, which reproduces it when coming a visitor is sensed during the absence mode. Thus, the door phone and the master unit are not connected by radio even when a visitor comes during the absence, resulting in eliminating the excess power consumption.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a cordless telephone system in which a door horn outside a home, a cordless handset and a base unit are wirelessly connected to each other, and in particular, a response message can be sent from the door horn even when a housekeeper cannot respond to a visitor. The present invention relates to a cordless telephone system that can be played back.

[0002]

2. Description of the Related Art Japanese Unexamined Patent Publication No. 61-13847 discloses a combination of an answering machine and an intercom device, which detects a call from the intercom device when an answering mode is set when the answering machine is set. Disclosed is an answering machine with a recording device for recording voice messages. However, in such an answering machine, there is a problem that wiring work is required to connect the answering machine inside the house and the intercom apparatus outside the house by wire.

On the other hand, a cordless telephone device for making a call by wirelessly connecting one or more handset units to a base unit is well known, and the base unit of such a cordless telephone unit and a door horn are wirelessly connected. By doing so, wiring between the outside unit and the inside unit may be unnecessary.
However, according to Japanese Patent Laid-Open No. 2-114753, the inconvenience of purchasing a multi-cordless telephone system including one or more out-of-home units as one set by simply combining a cordless telephone device with a door horn, and the system An inconvenience arises in that a ROM in which an identification code such as an identification code is stored in advance is prepared for each outdoor unit and mounted on the outdoor unit. Therefore, in Japanese Unexamined Patent Publication No. 2-114753, a RAM for storing an identification code and a door horn identification code setting switch are prepared in an out-of-home unit, and when the setting state of this setting switch and the RAM data are different, It has been proposed to enable the identification code to be written to the RAM by pressing the door horn key on the unit.

[0004]

However, in the device in which the cordless telephone device and the door horn are combined as described above, the visitor can accept the reception button even when he / she cannot respond, such as when the family member is absent. If you press, the door horn and the base unit will be wirelessly connected, so there is a fundamental problem that the radio frequency is unnecessarily occupied and power is wasted for that purpose. Has never been proposed.

In view of the above situation, the present invention can transmit a response message to a visitor without making a wireless connection between the door horn and the master unit when it is not possible to respond, such as when absent. It is an object of the present invention to provide a cordless telephone device that can capture a message from a visitor as needed.

[0006]

In order to achieve the above object, the present invention provides a master unit connected to a telephone line, one or more slave units wirelessly connected to the master unit, and One or more door phones wirelessly connected to the master unit, comprising a storage means having an area for storing a response message, and when the presence of a visitor during the absence mode is detected, the response message is sent. And a door horn that reproduces a cordless telephone.

The master unit is provided with command means for commanding to put the door horn in the absence mode.
In response to the operation of the command means, the door horn is set to the absence mode, and a response message is sent from the master unit to the door horn and stored in the storage means. In addition, in response to the operation of the command means, it is possible to send a prepared response message from the master unit to the door horn and store it in the storage means.

Further, the slave unit is also provided with command means for commanding to put the door horn in the absence mode, and the master unit is provided with sensing means for sensing the operation of the command means. When the door horn is set to the absence mode in response to the output of the means, a response message from the slave unit may be sent to the door horn via the master unit and stored in the storage unit.

The storage means of the door horn may be provided with a visitor message area for storing a visitor's message. Thus, when there is a visitor while the doorphone is in the absence mode, the visitor's message can be stored in the visitor message area and can be reproduced later.

The door horn may be provided with a detection means for detecting that the remaining storable amount in the visitor message area of the storage means is below a predetermined value. In response to the output from the detecting means, the doorphone transfers the message stored in the visitor message area to the master unit. After the transfer is completed, the stored contents of the visitor message area are erased.

[0011]

The storage means of the door horn has an area for storing a response message, and when a visitor is present during the absence mode, the response message is reproduced.

[0012]

Embodiments of the present invention will now be described in detail with reference to FIGS. FIG. 1 schematically shows the configuration of a cordless telephone system according to the present invention. In FIG. 1, reference numeral 1 denotes one or a plurality of door horns installed at required locations outside the home such as a gate and a front door, which are wirelessly connected to a master device 2 inside the home. The base unit 2 is also wirelessly connected to the required number of handset units 3 and 3.

FIG. 2 is a block diagram schematically showing the configuration of the parent device 2 shown in FIG. In FIG. 2, reference numeral 11 denotes an antenna, and 12 denotes a digital voice signal obtained by digitizing a voice signal or a digital control signal obtained by digitizing a control signal, and modulating the digital voice signal through the antenna 11.
Alternatively, it is a radio circuit that sends out to the slave unit 3, receives a digital voice signal and a digital control signal from the slave unit 3, demodulates them, and extracts the digital voice signal and the digital control signal.
Reference numeral 13 denotes a control circuit including a microcomputer to which control buttons 14 for setting various operation modes of the master unit 2 to be described later are connected, and various control circuits in the master unit 2 based on a digital control signal sent from the wireless circuit 12. The operation of the circuit of
In addition to controlling the stop, the base unit 2 is caused to perform the required operation at home and when not at home in accordance with the operation mode set by the control button 14. The control button 14 includes a button for setting the door horn 1 to the absence mode when the family member is absent and cannot respond to the visitor.

Reference numeral 15 is a circuit between the radio circuit 12 and the A / D / D / A conversion circuit 16 based on a command from the control circuit 13.
And a switch circuit for switching and connecting between the A / D / D / A conversion circuit 16 and the storage device 17. Reference numeral 16 denotes a wireless circuit 12 by converting an analog signal such as a voice signal or a calling signal into a digital signal. Supply and wireless circuit 1
Reference numeral 17 denotes an A / D / D / A conversion circuit that converts the digital audio signal extracted in 2 into an analog audio signal, and 17
A storage device for storing a visitor message transferred from the door horn 1, a voice signal input through a telephone line, and a control signal, which will be described later in detail together with the operation of the door horn 1. A microphone 18 and a speaker 19 are connected to the A / D / D / A conversion circuit 16. Reference numeral 20 denotes an A / D / D / A conversion circuit 1 for analog signals such as voice signals and call signals sent from a telephone line.
6 is a telephone circuit that receives the analog voice signal converted by the A / D / D / A conversion circuit 16 and sends it to the telephone line, and performs operations necessary for incoming and outgoing calls.

A DC voltage is supplied to each circuit of the base unit 2 from a power supply circuit 21 for converting an AC power supply into a DC power supply.

FIG. 3 is a block diagram schematically showing the structure of the door horn 1 shown in FIG. Door horn 1 also has basically the same configuration as base unit 2 except that it does not have a circuit connected to a telephone line. That is, 31 is an antenna, and 32 modulates a digital audio signal or a digital control signal to supply a digital transmission signal to the base unit 2 via the antenna 31, and demodulates a digital reception signal received by the antenna 31. And a digital circuit for extracting the digital voice signal and the digital control signal.

Reference numeral 33 denotes a control circuit including a microcomputer to which a reception button 34 pressed by a visitor is connected, and the operation of various circuits in the handset 1 based on a digital control signal sent from the wireless circuit 32. The start and stop are controlled, and the door horn 1 is caused to perform a required operation at home and at home in response to the reception button 34 being turned on. Reference numeral 35 switches between the wireless circuit 32 and the A / D / D / A conversion circuit 36 and between the A / D / D / A conversion circuit 36 and the storage device 37 based on a command from the control circuit 33. It is a switch circuit to be connected. The A / D / D / A conversion circuit 36 converts the audio signal from the microphone 38 into a digital signal, and at the same time, converts the digital audio signal taken out by the radio circuit 32 or the digital message read out from the storage device 37 into an analog signal. It is converted into an audio signal and supplied to the speaker 39. The storage device 37 has an area for storing a response message to a visitor when the home is absent and an area for storing a message from the visitor.
A storage device such as M.

A DC voltage is supplied to each circuit of the door horn 1 from a power supply circuit 40 using a battery as a power supply.

The handset 3 may have a normal cordless telephone configuration, but if necessary, the handset 3 is provided with an answering button for putting the door horn 1 in an answering mode, and the handset 3 and the base unit 2 are also provided. The response message may be stored in the door horn 1 via the.

Next, the operation of the base unit 2 and the door horn 1 shown in FIGS. 2 and 3 will be described with reference to FIG. 4, which shows the operation of the door horn 1 by a flow chart.

(1) Initial State In the initial state, the switch circuit 15 of the base unit 2 connects the wireless circuit 12 and the A / D / D / A conversion circuit 16, and the switch circuit 35 of the door horn 1 operates. Radio circuit 32
And the A / D / D / A conversion circuit 36 are connected to each other, and the door horn 1 is in a standby state (step 10 in FIG. 4).
1).

(2) Response Mode When the door horn 1 is in the standby state and not in the absence mode (NO in step 102), when the visitor turns on the reception button 34 (YES in step 103), the control circuit 33 is operated. Is detected, the door horn 1 enters a response mode (step 104), generates a digital control signal (hereinafter referred to as a "visitor" control signal) indicating that the reception button 34 is on, and activates the wireless circuit 32. And sends a transmission signal including the "visitor" control signal to the master unit 2. When the parent device 2 receives the transmission signal, the wireless circuit 12 extracts the “visitor” control signal from the transmission signal and gives it to the control circuit 13. In response to this, the control circuit 13 operates the oscillator in the telephone circuit 20, and the speaker 19 makes a ringing tone. At the same time, the control circuit 13 operates the wireless circuit 12 to send a control signal to the handset 3 and cause the handset 3 to generate a ringing tone. When the talk button of the master unit 2 or the slave unit 3 is pressed in response to the ringing tone and a response is made, the door horn 1 and the master unit 2 or the slave unit 3 are wirelessly connected (step 105). After that, a call similar to the call using the ordinary cordless telephone device is performed. When the call with the visitor ends and the end button of the base unit 2 or the handset 3 is pressed, it is determined that the wireless connection release is requested (Y in step 106).
ES), the wireless connection between the door horn 1 and the master unit 2 or the slave unit 3 is disconnected (step 107), and the door horn 1 enters a standby state (step 101).

(3) Storage Mode When the doorphone 1 is in the standby state and not in the absence mode (NO in step 102), when the storage request button in the control button 14 of the base unit 2 is turned on, the base unit 2 of the base unit 2 is turned on. The control circuit 13 creates a control signal (hereinafter, referred to as a “memory” control signal) indicating that the memory request button has been pressed, and transmits a transmission signal including the “memory” control signal from the wireless circuit 12 via the antenna 11 to the door horn. 1 to send. Upon receiving the "memorize" control signal, the control circuit 33 of the door horn 1
Reception button 34 is off (N in step 103)
O) and it is judged that a request to store a message in the storage device 37 is made (YES in step 110), and the switch circuit 35 is operated to operate the wireless circuit 32 and the storage device 37.
And connect and request a wireless connection (step 11).
1). When the base unit 2 responds to this and the wireless connection is completed (switch 112), the door phone 1 enters the response message storage mode (step 113). Then, when a response message is input from the microphone 18 of the base unit 2 and sent to the door horn 1, this response message is stored in the storage device 37 (switch 114). When the sending of the response message is completed and the storage request button is turned off (step 11)
5) The wireless connection between the base unit 2 and the door horn 1 is released (switch 116), and the door horn 1 enters a standby state (step 101). In this way, the response message is stored in the storage device 37.

Instead of inputting the response message from the microphone 18, a storage device 17 of the base unit 2 in which the response message is stored in advance is used, and the stored contents are transferred to the storage device 37 of the door horn 1. It may be stored. When the handset 3 has a message storage request button for placing the doorphone 1 in the response message storage mode, the handset 3 sets the doorphone 1 in the response message storage mode by turning on the message storage request button. Is issued, and the response message can be stored in the door horn 1 from the child device 3 via the parent device 2.

(4) Answering mode When there is a situation in which it is not possible to respond to a visitor due to going out or for some other reason, a response message is stored in the storage device 37 of the door horn 1 and then the control button 14 of the base unit 2 is operated. When the absence button inside is turned on, a signal is sent to the control circuit 1
3, the control circuit 13 generates a digital control signal (hereinafter referred to as "absence" control signal) indicating that the user is out of the house, activates the wireless circuit 12, and transmits a transmission signal including the "absence" control signal to the antenna. Door horn 1 through 11
To send to. Standby state (step 10 in FIG. 4)
When the door horn 1 in 1) receives the transmission signal transmitted from the base unit 2 by the antenna 31, the wireless circuit 32 of the door horn 1 extracts the "absence" control signal and gives it to the control circuit 33. Therefore, the control circuit 33 determines that the signal given from the wireless circuit 32 is the "absence" control signal (YES in step 102), and operates the switch circuit 35 to operate the storage device 37 and A / D / D /. The A-converter circuit 36 is connected to put the door horn 1 in the absence mode (switch 12
1).

In this state, the reception button 3 of the door horn 1
When No. 4 is turned on (YES in switch 122), the control circuit 33 activates the storage device 37 to read the response message stored therein. The read response message is converted into an analog voice signal by the A / D / D / A conversion circuit 36 and reproduced from the speaker 39 (step 123). At the end of the response message,
The visitor is informed that the visitor's message can be remembered while the reception button is on. Therefore, when the reception button 34 is turned on after the reproduction of the response message is completed, the control circuit 33 detects it (YES in step 124) and enters the mode for storing the message from the visitor (step 125). . The visitor's message is input to the microphone 38, and this is A / D / D
The signal is converted into a digital signal by the A / A conversion circuit 36 and stored in the storage device 37 (step 126). When it is detected that the reception button is turned off (step 127), the storage of the message is ended (step 128), and the door horn 1 enters the standby state (step 101). When the family member, after returning home, turns on the transfer button in the control button 14 of the base unit 2 to transfer the visitor message stored in the storage device 37 of the door phone 1 to the base unit 2, a control signal to that effect is sent. The contents of the storage device 37 of the door horn 1 sent out from the base unit 2 to the door horn 1 are stored in the storage unit 1 of the base unit 2.
7 is transferred. Therefore, when the reproduction button in the control button 14 of the parent device 2 is turned on, the stored content of the storage device 17 is reproduced.

(5) Transfer of visitor message As shown in FIG. 5, the storage device 37 installed in the doorphone 1 comprises a management information area, a visitor message area, and a response message area. A message number, a message start address, a message end address, a response message existence flag, etc. are stored in the management information area. Since there is a limit to the storage capacity of the visitor message area, the storable remaining amount is less than a predetermined amount (for example, 2
0%) or less), the control circuit 33 detects this and wirelessly connects to the base unit 2. Therefore, when the visitor message transfer permission is received from the master device 2, the door horn 1 is stored in the storage device 3
The visitor message stored in 7 is transferred to the master device 2.
After the transfer is completed, the wireless connection is released and the message stored in the storage device 37 is erased.

(6) Answering machine function When the answering button of the base unit 2 is turned on, in addition to the operation described in (4) Answering mode, the control circuit 13
Activates the storage device 17. When a response message is input from the microphone 18, the response message is stored in the storage device 17. After that, the control circuit 13 activates the switch circuit 15 to activate the storage device 17 and the A / D / D / A
The connection with the conversion circuit 16 is made. Thus, when there is a call from the outside line, the control circuit 13 of the base unit 2 detects this and activates the storage device 17 to send a response message,
The message from the outside line is stored in the storage device 17. The stored message is reproduced in the master unit 2 by turning off the answering button and turning on the play button in the control buttons.

FIG. 6 is an operation state transition diagram showing the operations (1) to (6) described above of the cordless telephone device according to the present invention. In the above description, the base unit 2,
It is premised that communication between the handset 3 and the door horn 1 is multiplexed, but if not, storing a response message from the handset 3 in the door horn 1 and the handset 3 It is impossible to make a call between the door horn and the door horn 1.

[0030]

As described above in detail with reference to some embodiments, the cordless telephone system according to the present invention, by placing the door horn in the absence mode,
Even if the family member cannot answer the visitor due to absence, etc., the answer message is played back at the doorphone when the visitor arrives, so there is no wireless connection between the doorphone and the master unit, and therefore power is wasted. It has a special effect that it never happens.

Moreover, in the present invention, the response message can be stored in the storage device of the door horn from the master unit or the slave unit, which is extremely convenient. Further, since the visitor's message is stored in the storage device so that this message can be reproduced later, it is possible to go out with a sense of security and to ensure reliable contact later. Furthermore, when the remaining storage capacity of the storage device falls below a predetermined value, the visitor message stored in the storage device is automatically transferred to the master unit and the stored contents are erased, so it is not stored in the visitor message. It is possible to prevent the occurrence of parts.

[Brief description of drawings]

FIG. 1 is a diagram schematically showing a configuration of a cordless telephone system according to the present invention.

FIG. 2 is a diagram schematically showing a configuration of a base unit of the cordless telephone system according to the present invention.

FIG. 3 is a diagram schematically showing a configuration of a child device of the cordless telephone system according to the present invention.

FIG. 4 is a flowchart for explaining the operation of a cordless phone system of the cordless telephone system according to the present invention.

FIG. 5 is a diagram schematically showing a configuration of a storage device incorporated in a child device of the cordless telephone system according to the present invention.

FIG. 6 is an operation state transition diagram for explaining the operation of the cordless telephone system according to the present invention.

[Explanation of symbols]

 1: Door horn, 2: Base unit, 3: Handset,

Claims (6)

[Claims] 1. A master unit connected to a telephone line, one or more slave units wirelessly connected to the master unit, and one or more door horns wirelessly connected to the master unit, A cordless telephone system, comprising: a storage unit having an area for storing a response message, and a doorphone that reproduces the response message when it is detected that there is a visitor during the absence mode. . 2. The cordless telephone system according to claim 1, wherein the base unit includes command means for commanding to put the door horn in an absence mode, and the door horn is operated in response to the operation of the command means. A cordless telephone system characterized in that an answering message is sent from the base unit to the doorphone and stored in the storage means in an absence mode. 3. The cordless telephone system according to claim 2, wherein a response message prepared in advance is sent from the master unit to the door horn and stored in the storage unit in response to the operation of the command unit. Cordless telephone system characterized by. 4. The cordless telephone system according to claim 1, wherein the slave unit includes command means for commanding to put the door horn in an absence mode, and the master unit operates the command means. When the door horn is set to the absence mode in response to the output of the sensing means, a response message from the slave unit is sent to the door horn via the master unit and stored in the storage unit. A cordless telephone system characterized by: 5. The cordless telephone system according to claim 1, further comprising a visitor message area for storing the visitor message in the storage means of the door phone. When there is a visitor during the period when the door horn is in the absence mode,
A cordless telephone system, characterized in that a message of the visitor is stored in the visitor message area. 6. The cordless telephone system according to claim 5, wherein the door horn has a detection means for detecting that the remaining storable amount in the visitor message area of the storage means is below a predetermined value. And transmitting the message stored in the visitor message area from the door horn to the master unit in response to the output of the detecting means,
A cordless telephone system characterized by erasing the stored contents of the visitor message area after the transfer is completed.