JP2741962B2 - Control system using cordless telephone - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a cordless telephone in which a master unit and a plurality of slave units are connected by wireless lines, respectively, and the master unit is connected to a telephone line or the like. And a control system including the controlled device.

[0002]

2. Description of the Related Art Hitherto, a communication line such as a public telephone line network and internal wiring have been used so that a telephone connected to the communication line can control a controlled device and the like connected by the internal wiring. Control systems have been proposed.

Here, the controlled equipment is, for example, an air conditioner, a video deck, a hot water supply device for a bathtub, and the like.

FIG. 3 shows an electrical configuration of such a conventional control system.

The control system comprises a main controller 40 connected to a telephone line (not shown) via a connection terminal 41,
The main control unit 40 is constituted by a telephone 50 and each controlled device 60 connected via signal lines c and d, respectively.

Main controller 40 includes switching section 42 and control section 4
3. A telephone 50 comprising a control signal reception detection unit 44 and an interface unit 45 of the controlled device.
Is composed of a telephone main unit 51, a handset unit 52, a control unit 53, and an operation unit 54, and a controlled device 60
Is constituted by an interface unit 61 and a control unit 62.

[0007] On one side of the switching section 42 of the main controller 40, a connection terminal 41 connected to a telephone line (not shown),
The input of the control signal reception detection unit 44 is connected to the other side of the switching unit 42, and the telephone main unit 51 of the telephone 50 is
Are bidirectionally connected via a signal line c.

When the control signal of the controlled device 60 is guided from the connection terminal 41, the switching unit 42 connects the connection terminal 41 to the control signal reception detection unit 44, and the control signal of the controlled device 60 is transmitted from the telephone 50. Is connected, the main telephone unit 51 and the control signal reception detection unit 44 are connected. When a control signal for transmitting or receiving is guided, the connection terminal 4 is connected.
The internal switching is performed so as to connect the telephone main unit 1 to the telephone main unit 51.

The output of the control signal reception detector 44 is
While being guided to the control unit 43 which controls the operation of the main controller 40 as a whole, the control unit 43 and the switching unit 42 and the control unit 43 and the interface unit 45 are each connected bidirectionally.

The main telephone unit 51 and the handset unit 52 of the telephone 50 are bidirectionally connected, and the main telephone unit 51 and the control unit 53 for controlling the operation of the telephone 50 as a whole are bidirectional. Connected.

The output of the operation unit 54 is guided to the control unit 53, and a control signal is output from the control unit 53 to the handset unit 52.

The interface unit 61 of the controlled device 60
Is bidirectionally connected to the interface unit 45 of the main controller 40 via the signal line d, and the interface unit 61 is bidirectionally connected to the control unit 62.
The control unit 62 receives the control signal transmitted via the main control device 40 and performs operation control according to the controlled device 62.

Next, the operation of the control system having the above configuration will be described.
A description will be given of (1) a case where the control signal of the controlled device is transmitted from the telephone line, and (2) a case where the control signal of the controlled device is transmitted from the telephone 50.

(1) A case where a control signal of a controlled device is transmitted from a telephone line.

When there is an incoming call from the telephone line, the switching unit 42 determines whether the incoming signal is a call signal to the telephone 50 or a control signal such as a DTMF signal to a specific controlled device (for example, an air conditioner) 60. If the signal is a control signal, the internal connection is switched so as to connect the connection terminal 41 to the control signal reception detection unit 44.

In the control signal reception detecting section 44, the switching section 42
When the control signal of the specific controlled device 60 is received via the control unit 43, the control signal is transmitted to the control unit 43.

The control unit 43 converts the received control signal into a signal that can be controlled on the specific controlled device 60 side, and sends it to the corresponding controlled device 60 via the interface units 45 and 61.

The control unit 62 of the controlled device 60 that has received the control signal performs the requested operation control based on the control signal.

(2) A case where a control signal of a controlled device is transmitted from the telephone 50.

When a control signal for a specific controlled device 60 is sent from the telephone 50, the switching unit 42 switches to the telephone main unit 51.
The internal connection is switched so as to connect the control signal reception detection unit 44 with the control signal reception detection unit 44.

In the control signal reception detecting section 44, the switching section 42
When the control signal of the specific controlled device 60 is received via the control unit 43, the control signal is transmitted to the control unit 43. Control unit 4
3, the received control signal is transmitted to a specific controlled device 60.
The signal is converted to a signal that can be controlled by the
5 and 61 to the corresponding controlled device 60.

The control unit 62 of the controlled device 60 that has received the control signal performs the requested operation control based on the control signal.

When the main control unit 40 is provided with an operation unit, it is also possible to directly operate the operation unit of the main control unit 40 to control each controlled device 60 individually.

[0024]

However, in the above-described control system, the main controller 40 sends the controlled equipment 6
Since the wiring to 0 is necessary, when the installation location needs to be changed or added, construction is required, so that not only the change or addition cannot be easily performed, but also there is a disadvantage that it is economically disadvantageous.

Further, when the controlled equipment is added after the system is constructed, there is a problem that the wiring is exposed to the outside and becomes unsightly.

The present invention has been made in view of the above circumstances, and its object is to use a cordless telephone so that the installation location can be easily changed or added, and no external wiring is required. It is to provide a control system.

[0027]

In order to solve the above-mentioned problems, a control system using a cordless telephone according to the present invention comprises a master unit and a plurality of slave units, each connected by a wireless line, and A cordless telephone capable of talking between slave units connected to a telephone line or the like, and a controlled device connected by a signal line via a connector detachable to the slave unit, wherein the master unit includes An input unit for inputting a control signal to the controlled device; and a control signal reception detecting unit for detecting a control signal of the controlled device input from the telephone line or the input unit or each of the plurality of slave units. Control signal transmitting means for wirelessly transmitting the control signal detected by the control signal reception detecting means to a slave unit connected to a controlled device controlled by the control signal; and The slave unit is provided with: a control signal reception detection unit that detects a control signal of the controlled device transmitted from the master unit; and a control signal detected by the control signal reception detection unit. Control signal transmitting means for transmitting the control signal of the controlled device to the controlled device via the control device, and control for transmitting the control signal of the controlled device input from the input device to the master device side Signal control means, and the controlled equipment is provided with control means for performing operation control based on a control signal transmitted from the control signal transmission means of the slave unit.

[0028]

When the control signal of the controlled device transmitted through a telephone line or the like or the control signal of the controlled device input from the input means of the master device is detected by the control signal reception detecting means of the master device, the control signal transmitting means is detected. Transmits the control signal to the slave unit to which the corresponding controlled device is connected via a wireless line.

In the slave unit that has received the transmission radio wave from the master unit,
The transmitted control signal of the controlled device is detected by the control signal reception detecting means. The control signal transmission means attaches and detaches the control signal detected by the control signal reception detection means.
The signal is transmitted to the control means of the controlled device via a signal line via a possible connector .

The control means of the controlled device performs the required operation control based on the transmitted control signal.

When a control signal of the controlled device is input from the input means of any one of the plurality of slaves, the control signal is transmitted from the slave to the master through a wireless line. Then, it is detected by the control signal reception detection means on the master device side. The control signal transmitting means transmits the control signal detected by the control signal reception detecting means to the slave unit to which the corresponding controlled device is connected via a wireless line.

In the slave unit that has received the transmission radio wave from the master unit,
The transmitted control signal of the controlled device is detected by the control signal reception detecting means. The control signal transmission means attaches and detaches the control signal detected by the control signal reception detection means.
The signal is transmitted to the control means of the controlled device via a signal line via a possible connector .

The control means of the controlled device performs requested operation control based on the transmitted control signal.

[0034]

An embodiment of the present invention will be described below with reference to the drawings.

FIG. 1 is a block diagram showing an electrical configuration of a cordless telephone base unit 1 constituting a control system of the present invention. FIG. 2 is a cordless telephone sub unit 20 and the sub unit 2.
FIG. 3 is a block diagram showing an electrical configuration of a controlled device 30 connected to the control device 0. However, in the following explanation,
"Transmit" when sending and receiving signals via a line, signal line, etc.
"Transmission" refers to the case of sending and receiving signals over a wired line by
That. In the following description, “control signal”
The words all mean control signals of the controlled device .

In FIG. 1, a connection terminal 2 for connection to a telephone line has a telephone main part 6 provided with a speech network circuit and a telephone call circuit, and a call signal incoming detection for detecting a call signal from a partner terminal. Each of the base units 1 is connected to each other, and the output of the incoming call signal detection unit 3 is guided to a control unit 4 that controls the operation of the whole base unit 1.

The telephone main unit 6 is bidirectionally connected to a handset unit 7 having a microphone and an earpiece, an answering machine 8 operating in an answering machine mode, and a terminal on one side of a switching unit 10, respectively. . The output of the control unit 4 is guided to the main telephone unit 6, and the output of the main telephone unit 6 is guided to the control signal reception detection unit 5. The control signal reception detection section (control signal reception detection means) 5 is a telephone line or a handset 2
The control signal of the controlled device 30 sent from 0 is detected.

An output of an operation unit (input means) 9 for inputting a dial number when used as a normal telephone and inputting a control signal to the controlled device 30 is led to the control unit 4. In addition, the output of the control signal reception detection unit 5 is guided. The control unit 4 and the terminal on one side of the switching unit 10 are connected bidirectionally.

Each of the terminals on the other side of the switching unit 10 has two radio units for enabling communication between slave units.
(Control Signal Transmitting Means) Each of the wireless units 11 and 12 is connected bidirectionally, and each of the wireless units 11 and 12 is connected to an antenna 14 via a duplexer 13.

In FIG. 2, an antenna 21 for transmitting and receiving to and from the master unit 1 includes a radio unit (control signal transmitting means) 22.
Are connected, and the wireless unit 22 and the telephone main unit 24 are bidirectionally connected.

A telephone handset unit 25 having a microphone and an earpiece is bidirectionally connected to the main telephone unit 24, and the output of the control unit 23 for controlling the operation of the whole handset 20 is conducted. The output of the telephone main part 24 is
It is guided to the control signal reception detection unit 28.

The control signal reception detector (control signal reception detector)
The stage 28 detects a control signal of the controlled device 30 sent from the master device 1.

The control unit 23 includes a dial number input operation when used as a normal telephone, and a controlled device 30.
Operation unit (input means) for inputting a control signal to the controller 26
And the control signal reception detection unit 2
8 are derived. Further, the control unit 23 includes an interface unit (control signal) for connecting to the controlled device 30.
Transmission means) 27 and a bidirectional connection.

The control unit (control means) 32 of the controlled device 30
Is configured to include an interface unit 31 for connecting to the slave unit 20.

When the slave unit 20 is on the charging stand 29, the interface unit 27 of the slave unit 20 and the interface unit 27 of the controlled device 30 pass through the charging stand 29 .
Are connected by a signal line a through the grounds vital detachable connectors, when the handset 20 is not riding on the charging stand 29, handset 20 in the interface section 27 and the controlled device 3
0 is a detachable connector with the interface unit 27
It is directly connected by a signal line b.

However, even when the slave unit 20 is on the charging stand 29, the interface unit 27 of the slave unit 20 and the interface unit 27 of the controlled device 30 may be directly connected by the signal line b. It is possible. Also,
The connection between the signal lines a and b at this time is connection by a connector.

Next, the operation of the control system using the cordless telephone having the above configuration will be described in terms of (1) when a control signal of the controlled device is sent from the telephone line, and (2) control of the controlled device from the slave unit. The case where the signal is transmitted and the case where (3) the control signal of the controlled device is transmitted from the master unit will be described separately.

However, in the following description, when it is necessary to distinguish the slave unit 20 and the controlled device 30 from each other, the English lowercase letters are added after the reference numerals assigned to each block of the slave unit and each block of the controlled device. Attached and distinguished.

(1) When a control signal of a controlled device is sent from a telephone line.

When a call signal is transmitted through the telephone line, the call signal is detected by the call signal incoming detecting section 3 and an incoming signal corresponding to the call signal is given to the control section 4. The control unit 4 measures the number of times of the incoming signal,
When a certain number of times (for example, three times) are measured, the telephone main unit 6
And outputs a control signal to the answering machine 8 via the control section to operate the answering machine 8.

In this state, when the control signal of the controlled device is not sent from the telephone line, master device 1 continues the answering machine operation.

On the other hand, when a control signal for a controlled device (such as an air conditioner) is sent from the telephone line, the control signal is detected by the control signal reception detection unit 5 via the telephone main unit 6 and transmitted to the control unit 4. Given.

Upon receiving this control signal, the control unit 4 outputs a control signal to the answering machine 8 via the telephone main unit 6, and stops the operation of the answering machine 8.

The control unit 4 selects a specific slave unit 20 in accordance with the content of the control signal, and transmits a control signal to the selected specific slave unit 20.

That is, the control signal transmitted from the control unit 4 is transmitted to one of the radio units 11 (or 12) by the switching connection in the switching unit 10 and transmitted from the antenna 14 via the duplexer 13. .

This transmission signal is received by the radio section 22 via the antenna 21 of the specific handset 20, and the telephone main section 24
Is detected by the control signal reception detection unit 28 via the control unit 23 and is supplied to the control unit 23.

The control unit 23 converts the received control signal into a signal controllable by the controlled device 30 and transmits the signal to the control unit 32 of the controlled device 30 via the interface units 27 and 31. The control unit 32 performs requested operation control based on the transmitted control signal.

(2) When the control signal of the controlled device is transmitted from the slave unit.

The user of the arbitrary slave unit 20a operates the operation unit 26.
When a is operated to input a control signal to the controlled device 30b connected to the specific slave unit 20b, the control signal is transmitted from the control unit 23a to the wireless unit 22a via the telephone main unit 24a, The signal is transmitted from the antenna 21a to the base unit 1.

This transmission signal is transmitted to antenna 14 of base unit 1,
Any wireless unit 11 (or 12) via the duplexer 13
, And is detected by the control signal reception detection unit 5 via the switching unit 10 and the telephone main unit 6, and is provided to the control unit 4.

The control unit 4 selects a specific slave unit 20b according to the content of the control signal, and selects the selected specific slave unit 20b.
The control signal is transmitted to b.

That is, the control signal transmitted from the control unit 4 is transmitted to one of the radio units 12 (or 11) by the switching connection in the switching unit 10 and transmitted from the antenna 14 via the duplexer 13. . Each wireless unit 1 at this time
The operation control of 1 and 12 is the same operation as a normal telephone call between slave units.

This transmission signal is received by the radio unit 22b via the antenna 21b of the specific slave unit 20b, detected by the control signal reception detection unit 28b via the telephone main unit 24b, and given to the control unit 23b.

The control unit 23b converts the received control signal into a signal controllable on the controlled device 30b side, and converts the control signal to the controlled device 30b via the interface units 27b and 31b.
b to the control unit 32b. The control unit 32b performs requested operation control based on the transmitted control signal.

(3) When the control signal of the controlled device is transmitted from the master unit.

When the user of the master unit 1 operates the operation unit 9 to input a control signal to the controlled device 30 connected to the specific slave unit 20, the control signal is given to the control unit 4. .

The control unit 4 selects a specific slave unit 20 according to the content of the control signal, and transmits a control signal to the selected specific slave unit 20.

That is, the control signal transmitted from the control unit 4 is transmitted to one of the radio units 11 (or 12) by the switching connection in the switching unit 10 and transmitted from the antenna 14 via the duplexer 13. .

This transmission signal is received by the radio section 22 via the antenna 21 of the specific handset 20, and the telephone main section 24
Is detected by the control signal reception detection unit 28 via the control unit 23 and is supplied to the control unit 23.

The control unit 23 converts the received control signal into a signal that can be controlled by the controlled device 30, and transmits the signal to the control unit 32 of the controlled device 30 via the interface units 27 and 31. The control unit 32 performs requested operation control based on the transmitted control signal.

[0071]

According to the control system using the cordless telephone of the present invention, a controlled device is connected to a slave of the cordless telephone, a control signal of the controlled device transmitted through a telephone line or the like, and a plurality of slaves. The control signal of the controlled device transmitted from each of the devices and the control signal of the controlled device input from the input means of the master device are transmitted to each controlled device via a wireless line. Since wiring to the control device is not required, the installation location can be easily changed or added, and economic disadvantages can be eliminated.
In addition, even if the controlled devices are added after the system is constructed, the wiring and the like are not exposed to the outside, so that the appearance is good . In addition, a connector that allows the slave unit and the
Connected by signal lines through
The connection with the controlled device can be easily changed as necessary.
It has the effect that it can be done .

[Brief description of the drawings]

FIG. 1 is a block diagram showing an electric configuration of a base unit of a cordless telephone constituting a control system of the present invention.

FIG. 2 is a block diagram showing an electric configuration of a cordless telephone handset and a controlled device connected to the cordless telephone constituting the control system of the present invention.

FIG. 3 is a block diagram showing an electrical configuration of a conventional control system using a wired telephone.

[Explanation of symbols]

 Reference Signs List 1 master unit 4 control unit 5 incoming signal reception detection unit 6 telephone main unit 7 handset unit 9 operation unit 10 switching unit 11 wireless unit 12 wireless unit 20 slave unit 22 wireless unit 23 control unit 24 telephone main unit 25 transmitter / receiver unit 26 Operation unit 27 Interface unit 28 Control signal reception detection unit 29 Charging stand 30 Controlled device 31 Interface unit 32 Control unit

Claims (1)

(57) [Claims] 1. A cordless telephone which is connected to a master unit and a plurality of slave units by wireless lines, respectively, and is connected to a telephone line or the like, and enables a call between the slave units, and is attached to and detached from the slave unit. A controlled device connected by a signal line via a possible connector , wherein the master unit has input means for inputting a control signal to the controlled device, and the telephone line or the input means or the input means. Of multiple slave units
A control signal reception detecting means for detecting a control signal of the controlled apparatus input from each said control signal detected by the control signal reception detecting means, the controlled device which is controlled by the control signal is connected A control signal transmitting unit that wirelessly transmits the control signal to the slave unit; wherein the slave unit includes a control signal reception detection unit that detects a control signal of the controlled device transmitted from the master unit; Control signal transmitting means for transmitting a control signal detected by the reception detecting means to the controlled device via the signal line; input means for inputting a control signal of the controlled device; Control signal transmitting means for transmitting a control signal of a control device to the master unit; and a control signal transmitted from the control signal transmission unit of the slave unit is provided to the controlled device. Control system using a cordless telephone, wherein a control means for controlling the operation provided based on.