JPH08265854A - Cordless telephone set - Google Patents

Abstract

PURPOSE: To eliminate noise in a control signal and a speech voice in a blink state of a display light in a slave set of a cordless telephone set. CONSTITUTION: When the user operates a speech key of a key matrix 17 to set the mode to a speech state, a slave set control section 18 allows a radio equipment 11 to send a slave set reply command based on a speech designation from the key matrix 17 and controls an LED driver 16 to goes off an LED 15. Then the speech key of the key matrix 17 is again operated to terminate the speech in the speech state of the slave set, then the slave set control section 18 discriminates whether or not priority all setting is made in the slave set and when the priority call setting is discriminated, the LED driver 16 is controlled to blink the LED 15. When no priority calling setting is discriminated, the LED driver 16 is controlled to keep the extinguished state of the LED 15.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a cordless telephone which externally informs the use status of various functions by means of an indicator lamp.

[0002]

2. Description of the Related Art Conventionally, in a cordless telephone, an arbitrary slave unit number is set in advance in a master unit, and when an incoming call arrives, priority is given to calling a slave unit corresponding to the preset slave unit number. Some cordless phones have various calling functions, such as the priority calling function. In order to notify the user of the usage status of various functions, a display screen such as a liquid crystal screen is displayed on the master unit. Was installed, or an indicator lamp was installed in the child device.

In the indicator light of the slave unit, in order to reduce the power consumption of the secondary battery built in the slave unit, the usage status of various functions is informed by blinking.

[0004]

However, in the above conventional device, when a call is made using the slave unit while the indicator light of the slave unit is blinking in order to display the use status of various functions, the display is displayed. There is a problem that the current change due to the blinking of the light affects the radio part, and the control signal and the call voice have noise, and in order to solve these problems,
There are problems that a lot of restrictions are applied when the patterns are routed, the circuit structure is complicated accordingly, and the cost is increased.

SUMMARY OF THE INVENTION It is an object of the present invention to provide a cordless telephone capable of removing noises of a control signal and a call voice in a blinking state of a handset indicator light without inviting a complicated circuit configuration and an increase in cost. To do.

[0006]

In order to achieve the above-mentioned object, the invention according to claim 1 is a base unit connected to a telephone line, and a state in which various functions are used while being connected to the base unit by radio. In a cordless telephone constituted by a cordless handset for externally indicating the indicator light, the cordless handset has a detecting means for detecting a radio wave emission state to the parent device, and the indicator light based on the detection result by the detecting means. And a control means for controlling.

According to a second aspect of the present invention, the control means comprises:
The indicator lamp blinks in response to the use of the priority calling function.

According to a third aspect of the invention, the control means comprises:
The indicator lamp is turned on or off when the detection means detects the emission of a radio wave to the master unit.

According to a fourth aspect of the present invention, the detection means comprises:
The radio wave emission state to the master unit is detected by detecting the call state by the slave unit.

[0010]

Therefore, according to the first aspect of the present invention, in the state where the user is informed of the use status of various functions by blinking the indicator light provided in the slave unit, a predetermined control signal or When the audio signal is transmitted to the base unit, the detection unit detects the radio wave emission state to the base unit, and the control unit controls the indicator light provided in the handset unit based on the detection of the radio wave emission state, so that the child unit It is possible to prevent the generation of noise accompanying the blinking of the indicator light provided on the machine.

According to the second aspect of the present invention, the priority call function is used in the master unit to preferentially call a preset slave unit when an incoming call arrives, and in response to the use of the priority call function, the indicator light of the slave unit is used. When a predetermined control signal or audio signal is transmitted from the slave unit to the master unit while is blinking, the detection unit detects the radio wave emission state to the master unit, and the control unit detects the radio wave emission state based on the detection. By controlling the indicator light of the slave unit, it is possible to prevent the generation of noise accompanying the blinking of the indicator light of the slave unit.

According to the third aspect of the invention, a predetermined control signal or audio signal is transmitted from the slave unit while the user is informed of the use status of various functions by blinking the indicator light provided on the slave unit. To the master unit, the detection means detects the radio wave emission state to the master unit, the control means controls the indicator light provided in the slave unit based on the detection of the radio wave emission state,
By turning on or off the indicator light, it is possible to prevent the generation of noise due to the blinking of the indicator light provided in the child device.

According to the fourth aspect of the present invention, when a telephone call is made using the slave unit while the user is informed of the usage status of various functions by blinking the indicator light provided on the slave unit, The detection means detects the call state of the handset, and the control means controls the indicator light provided on the handset based on the detection of the call state of the handset, thereby causing the indicator light provided on the handset to blink. Generation of accompanying noise can be prevented.

[0014]

Embodiments of the present invention will now be described in detail with reference to the drawings.

FIG. 1 is a schematic functional block diagram showing an electrical configuration of a base unit of a cordless telephone which is an embodiment of the present invention,
2 is a schematic functional block diagram showing an electrical configuration of a cordless telephone handset, FIG. 3 is a flowchart showing a setting operation of a priority calling function in the cordless telephone, and FIGS. 4 and 5 are main cordless telephone handsets. FIG. 6 is a flow chart showing operation control when a call is received, FIG. 6 is a flow chart showing operation control when a call is received in the cordless telephone set of the same cordless telephone, and FIG. 7 is an electrical diagram of a cordless telephone base unit which is another embodiment of the present invention. FIG. 8 is a schematic functional block diagram showing a configuration, and FIG. 8 is a schematic functional block diagram showing an electrical configuration of a slave unit of the cordless telephone.

In FIGS. 1 and 2, reference numeral 1 is a telephone line connected to the other party's telephone through an exchange (not shown), and 2 is a telephone line 1 for performing various operations such as line capturing, line opening and dial output. A line interface 3 is a crosspoint switch for interconnecting the respective parts by ON / OFF control of the switches 3a to 3i, and 4 is a control signal and a voice signal transmitted to a slave unit (not shown) and a control signal transmitted from the slave unit. It is a wireless device that receives an audio signal, and by connecting with the line interface 2 by ON / OFF control of the crosspoint switch 3, the slave unit is connected to the telephone line via the master unit.

Reference numeral 5 denotes a handset for making a call with the other party, and a call can be made by connecting to the line interface 2 by controlling ON / OFF of the crosspoint switch 3. Reference numeral 6 is a hook switch for detecting the pick-up / placement state of the handset 5, 7 is an incoming call detecting section for detecting an incoming signal coming from the telephone line 1, and 8 is a ringer ringing in response to the incoming call detection by the incoming call detecting section 7. Is.

Reference numeral 9 is a key matrix for designating the telephone number and extension number of the other party, and 10 is a signal coming from the telephone line 1, a control signal received by the radio 4, a detection signal from the hook switch 6, and an incoming call detection. A master unit control unit that controls each unit based on the detection signal from the unit 7 and the number designation by the key matrix 9, and includes CPU, ROM, and R.
It is composed of AM and I / O.

Then, the line interface 2, the crosspoint switch 3, the radio 4, the handset 5,
The hook switch 6, the incoming call detection unit 7, the ringer 8, the key matrix 9, and the master unit control unit 10 constitute a master unit of the cordless telephone.

On the other hand, 11 is a wireless device which transmits a control signal and a voice signal to a master unit (not shown), and which receives the control signal and the audio signal transmitted from the slave unit, and 12 is a wireless device 11.
A speaker that emits the audio signal received by the outside,
Reference numeral 13 is a radio device 11 that collects external voice and outputs it as a voice signal.
It is a microphone to send to.

Reference numeral 14 is a ringer that sounds in response to the reception of an incoming signal by the wireless device 11, 15 is an LED for displaying the use status of various functions in the slave device, and 16 is an LED driver for turning on / blinking / turning off the LED 15. .

Reference numeral 17 is composed of numeric keys for designating the telephone number and extension number of the other party, and function keys for designating various functions such as designation of setting / cancellation of priority calling and designation of call / call stop in the handset. Key matrix, 1
Reference numeral 8 denotes a slave unit control unit that controls each unit based on the control signal received by the wireless device 11, the number designation by the key matrix 17, and various function designations.

The wireless device 11, the speaker 12,
The microphone 13, the ringer 14, the LED 15, the LED driver 16, the key matrix 17, and the cordless handset control unit 18 constitute a cordless telephone cordless handset.

The operation of setting / cancelling the handset priority call in the cordless telephone configured as described above will be described.

When the priority key of the key matrix 17 provided in the slave unit is operated (step F1), the slave unit control unit 1 is operated.
8 determines whether or not the priority call setting is currently made based on the operation designation (step F2), and when it is determined that the priority call setting is not made, the wireless device 11 instructs the master unit to send a command corresponding to the priority call setting. Is transmitted (step F3) and the LED driver 16 is controlled to LE.
Blink D15 (step F4).

On the other hand, when the priority key is operated, the slave unit control section 18
If it is determined that the priority call setting has already been made in step 1, the wireless device 11 transmits a command corresponding to the release of the priority call to the master device (step F5) and the LED.
The driver 16 is controlled to turn off the LED 15 (step F6).

By performing processing corresponding to various commands transmitted from the slave unit in the master unit, it is possible to set the slave unit for priority calling in the master unit control unit 10.
After that, when an incoming signal arrives from the telephone line 1 and the incoming call detection unit 7 detects the incoming call, an incoming command corresponding to the incoming signal coming from the telephone line 1 is sent to only the child device set in the parent device control unit 10. Send.

Therefore, according to the above operation control, by operating the priority key of the key matrix 17 provided in the slave unit, the slave unit can be set to the priority call, and the LED 15 provided in the slave unit can be set. By blinking, it is possible to determine whether or not the cordless handset has a priority call setting.

Next, a description will be given of the operation when a call arrives at the master unit to which the priority calling unit has been set by the priority calling setting operation.

An incoming signal arrives from the telephone line 1 and the incoming call detection unit 7 detects the incoming call (step F11).
Based on the detection signal, the master unit control unit 10 determines whether the priority unit is set in the master unit control unit 10 (step F12), and it is determined that the priority unit is set here. Then, the incoming command with the ID code of the priority calling handset is transmitted from the wireless device 4, and the ringer of only the priority calling handset is activated (step F13).

Then, the arrival of the incoming signal from the telephone line 1 is terminated in the incoming command transmission state (step F).
14) and an incoming call termination command to which the ID code of the priority calling slave is added is transmitted (step F15), and this operation is terminated. When the response command is received (step F16), the master unit control unit 10 controls the line interface 2 to capture the telephone line 1, and controls the crosspoint switch 3 to turn on the switches 3c and 3d.
To make an external line call by the handset (step F1
7).

Then, when the call termination command transmitted from the handset is received by the radio 4 in the outside line communication state by the handset (step F18), the handset controller 10 controls the line interface 2 to make a call. Open the line 1 and control the crosspoint switch 3 to switch 3
c and 3d are turned off, and the external line communication state by the handset is terminated.

On the other hand, when an incoming signal arrives from the telephone line 1,
When an incoming call is detected by the incoming call detection unit 7 (step F11), it is determined that the priority call handset is not set in the master device control unit 10 (step F1).
2), while the master unit control unit 10 causes the ringer 8 to ring,
The incoming command is transmitted from the wireless device 4, and the ringers of the master unit and the slave unit are activated (step F19).

Then, the arrival of the incoming signal from the telephone line 1 is terminated in the incoming command transmission state (step F).
20) and an incoming call termination command to which the ID code of the priority caller is added (step F21), and this operation is terminated.

When the handset 5 is picked up before the arrival of the incoming signal, the master unit control section 10 determines that the master unit has responded by detecting the pick-up of the hook switch 6 (step F22), and the line interface 2 is activated. While controlling to capture the telephone line 1, controlling the crosspoint switch 3 to turn on the switches 3b and 3g to establish an outside line communication state by the master unit (step F23), and the handset 5 communicates with the other party's telephone. Let

When the handset 5 is placed in the outside line call state by the base unit, the base unit control section 10 judges that the hook switch 6 has been placed, and thus the base unit has decided to terminate the call (step F24). , Line interface 2
To open the telephone line 1 and to control the crosspoint switch 3 to turn off the switches 3b and 3g, thereby ending the outside line communication state by the master unit.

When the response command transmitted from the handset unit is received by the radio unit 4 before the arrival of the incoming signal (step F25), the base unit control unit 10 controls the line interface 2 to make a telephone line. 1 is captured and the crosspoint switch 3 is controlled to control the switches 5c and 5d.
To turn on the external line by the handset (step F
17) Thereafter, similar to the above, the operation control during the outside line call by the slave unit is performed.

Therefore, according to the above-mentioned operation control, when the priority calling child device is set in the master device control section 10, only the set priority calling child device is called to shift to the outside line communication state. When the priority call slave unit is not set in the master unit control unit 10, both the master unit and the slave unit are called, and the master unit or the slave unit responding to the call shifts to the outside line communication state. Can be made.

Next, the operation of the cordless telephone set when a call is received in the cordless handset will be described.

When an incoming command is transmitted from the master unit in response to an incoming signal coming from the telephone line 1 and the transmitted incoming command is received by the wireless unit 11 of the slave unit (step F31), the slave unit is controlled. The section 18 causes the ringer 14 to ring (step F32).

When the receiver 11 receives the incoming call termination command transmitted from the master unit in the ringing state of the ringer 14 (step F33), the slave unit control section 1
8 is judged to have terminated the incoming signal coming from the telephone line 1, this operation is terminated, and the user operates the call key of the key matrix 17 based on the ringing of the ringer 14 before receiving the termination command. When the incoming call is answered (step F34), the handset controller 18 causes the radio device 11 to send a handset response command based on the call designation from the key matrix 17 (step F35), and LE
The D driver 16 is controlled to turn off the LED 15 (step F36).

The master unit receives the slave unit response command transmitted from the slave unit, and the cross point switch 3 controls the ON / OFF of the switch to form a call path by the slave unit, so that the call by the slave unit is made. When the call is completed (step F37) and the call is terminated by operating the call key of the key matrix 17 in the call state of the handset (step F38), the handset controller 18 determines the call from the key matrix 17 based on the call designation. An end command is transmitted from the wireless device 11 (step F39).

Thereafter, the slave unit control section 18 judges whether or not the priority calling is set in the slave unit (step F4).
0), if it is determined that the priority call setting has been made, L
When the ED driver 16 is controlled to blink the LED 15 (step F41), and when it is determined that the priority call setting has not been made, the LED driver 16 is controlled to control the LED.
The off state of 15 is maintained (step F42).

Therefore, according to the above-mentioned operation control, when a call is made in the slave set for priority calling, the LE
By stopping blinking by D15 and turning off, LE
It is possible to prevent the call voice from being noisy due to the blinking by D15.

In the present embodiment, the operation at the time of receiving a call is described, but the operation is not limited to this, and the call state based on the dial transmission by the slave unit and the call state transferred by the master unit. Also in LE
It goes without saying that D15 goes out.

Further, in the present embodiment, the blinking indicator lamp for notifying the priority call setting is turned off during a call, but the present invention is not limited to this.
It may be turned on during a call.

Next, a cordless telephone which is another embodiment of the present invention will be described. In FIGS. 7 and 8, the same parts as those in FIGS. 1 and 2 are designated by the same reference numerals.

In FIGS. 7 and 8, reference numeral 21 is an OGM output unit for outputting a pre-registered response message to the telephone line 1 at the time of absence answering, and 22 is a record of a message from the other party coming from the telephone line 1. / A magnetic recording unit for reproduction, 23 is a speaker for emitting the message reproduced by the magnetic recording unit 22 to the outside, and the OGM output unit 21, the magnetic recording unit 22, and the speaker 23 make the absence function unit a parent. Is configured in the machine.

On the other hand, in the key matrix 17 of the slave unit, numeric keys for designating the other party's telephone number and extension number, and various functions such as designation of setting / cancellation of priority calling and designation of call / call stop in the slave unit. In addition to the function key for specifying, a function key for instructing the reproduction of the message recorded at the time of answering is provided.

The operation of the cordless telephone configured as described above in the answering machine mode will be described.

When an incoming signal arrives from the telephone line 1 and an incoming call is detected by the incoming call detection unit 7 in a state where the answering machine is set by a predetermined key operation, the master unit control unit 10 comes from the telephone line 1. When the number of incoming signals reaches a predetermined number, the line interface 2 is controlled to capture the telephone line 1, and the OGM output unit 21 is controlled to send a response message registered in advance to the captured telephone line 1.

After the transmission of this response message, the master unit control section 10 controls the magnetic recording section 22 to record the message message coming from the telephone line 1, and when a predetermined time elapses or from the telephone line 1. When a busy tone arrives, the recording of the message by the magnetic recording unit 22 is stopped and the line interface 2
Is controlled to open the telephone line 1 to end the call.

The message recorded by such operation control is the key matrix 17 of the child device.
Playback can be performed on the slave unit by operating the playback key of.

That is, when the reproduction key of the key matrix 17 of the child device is operated and designated, the child device control unit 18 causes the wireless device 11 to transmit a child device reproduction command based on the reproduction instruction from the key matrix 17, and at the same time, the child device. LED driver 16 is controlled in accordance with the transmission of the reproduction command.
Turn off 15

Then, the slave unit reproduction command transmitted from the slave unit is received by the wireless unit 4 of the master unit, and the master unit control unit 1
0 controls the crosspoint switch 3 based on the received handset reproduction command, and turns on the switch 5l to form a communication path between the handset and the magnetic recording unit 22. In this state, the magnetic recording unit 22 The message message that is played back is transmitted to the handset unit by controlling the message and playing the message message that was recorded during the answering machine.

Then, when the message from the master unit received by the wireless unit 11 of the slave unit is emitted to the outside by the speaker 12 and the message is finished, the slave unit control section 18 returns the original slave unit. The LED driver 16 is controlled based on the state of (3) to blink or turn off the LED 15, and the original display state is restored.

Therefore, according to the above-mentioned operation control, the LED 15 is turned off based on the transmission of various commands by the slave unit, so that when the message is reproduced by the slave unit, the blinking by the LED 15 causes a call voice. It is possible to prevent the occurrence of noise.

[0058]

As described above, according to the inventions of claims 1 to 4, the indicator light is turned on or off when a call is made in the handset, which causes the indicator light to blink. Since it is possible to prevent the generation of noise, it is possible to remove the noise of the control signal and the communication voice in the blinking state of the slave unit indicator light without complicating the circuit configuration and increasing the cost.

[Brief description of drawings]

FIG. 1 is a schematic functional block diagram showing an electrical configuration of a base unit of a cordless telephone that is an embodiment of the present invention.

FIG. 2 is a schematic functional block diagram showing an electrical configuration of a cordless handset in the cordless telephone.

FIG. 3 is a flowchart showing a setting operation of a priority calling function in the cordless telephone.

FIG. 4 is a flowchart showing operation control when a call arrives at the base unit of the cordless telephone.

FIG. 5 is a flowchart showing operation control when a call arrives at the base unit of the cordless telephone.

FIG. 6 is a flowchart showing operation control when an incoming call is received in the cordless telephone handset.

FIG. 7 is a schematic functional block diagram showing an electrical configuration of a base unit of a cordless telephone that is another embodiment of the present invention.

FIG. 8 is a schematic functional block diagram showing an electrical configuration of a child device of the cordless telephone.

[Explanation of symbols]

 1 Telephone Line 2 Line Interface 3 Cross Point Switch 4 Radio 5 Handset 6 Hook Switch 7 Incoming Call Detection 8 Ringer 9 Key Matrix 10 Master Unit Control 11 Radio 12 Speaker 13 Microphone 14 Ringer 15 LED 16 LED Driver 17 Key Matrix 18 Handset control unit

Claims (4)

[Claims] 1. A cordless telephone comprising a master unit connected to a telephone line and a slave unit wirelessly connected to the master unit and externally notifying the use status of various functions by means of an indicator light. A cordless telephone characterized in that the machine is provided with a detecting means for detecting a radio wave emission state to the parent machine, and a control means for controlling the indicator light based on a detection result by the detecting means. 2. The cordless telephone according to claim 1, wherein said control means blinks said indicator lamp in response to use of the priority calling function. 3. The cordless according to claim 1, wherein the control means turns on or off the indicator light when the detection means detects the emission of a radio wave to the master unit. Telephone. 4. The cordless telephone according to claim 1, wherein the detecting means detects a radio wave emission state to the master unit by detecting a call state by the slave unit.