JP2823728B2 - Cordless telephone - Google Patents

Abstract

PURPOSE:To improve availability by employing such constitution that an alarm tone can be sounded from a certain slave set at preset time by setting the number of. a slave set from which the alarm tone is desired to sound and a time to sound the alarm tone by the user of a master set. CONSTITUTION:The user of the master set 1, when desiring to issue the alarm of a specific slave set 2, inputs and sets the number of the slave set 2 and the time desired to sound the alarm by an input part 3. Input information is stored in a RAM 4. In such a state, a master set control part 8, when confirming the arrival of the preset time, retrieves the RAM 4, and reads out the data of the number of the slave set from which it is desired to sound the alarm tone, and reads out an ID code in accordance with the number from an IDROM 5, and generates a transmission signal. The transmission signal is transmitted to the slave set 2, and is supplied to a slave set control part 22. The slave set control part 22 reads out the start signal of the alarm tone from a ROM 20 for control signal when coincidence between the ID code included in a reception signal and its own ID code is obtained, and sounds the alarm tone from an alarm tone generating part 21.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a cordless telephone capable of calling an alarm at a desired time by emitting a warning sound from a specific slave unit.

[0002]

2. Description of the Related Art In a cordless telephone having a master unit connected to a telephone line and a plurality of slave units connected to the master unit by a wireless line, an arbitrary slave unit or all slave units are called. Those having a function are generally used.

In this type of cordless telephone, a call button for calling the slave unit is provided on the master unit side, and a control unit for controlling the entire master unit receives an operation signal from the call button and switches to an extension call. An alarm sound start signal is transmitted to the slave via the transmission / reception circuit.

Each of the slave units has a built-in alarm sound generator for emitting an alarm sound, and a control unit for controlling the whole of the slave unit receives the alarm sound start signal and sends a signal to the alarm sound generator. An operation signal is transmitted, and the operation is performed for a predetermined time.

When a cordless telephone calls a cordless handset, when a user of the base unit operates a call button, a control unit which receives an operation signal from the call button sends an alarm sound start signal to the cordless handset. Send out. The control unit of each slave unit activates the alarm sound generator based on the alarm sound start signal, so that the alarm sound is emitted for a certain period of time, and the user of the slave unit can be called.

[0006]

However, the above-mentioned conventional cordless telephone has a problem that the user has to go to the place where the base unit is located when calling the slave unit and operate the call button. was there.

[0007] Further, when calling a slave unit, there is also a problem that it is necessary to switch to an extension call state in order to emit only a ringing tone.

The present invention has been made in view of the above circumstances, and has as its object to provide a cordless telephone capable of automatically calling any child device at a set time without having to go to the place where the parent device is placed. Is to provide.

[0009]

According to the present invention, there is provided a cordless cordless telephone according to the present invention comprising a master unit connected to a telephone line and a plurality of slave units connected to the master unit by a wireless line. The telephone has input means for inputting the number of the slave unit to the master unit and inputting a time at which an alarm sound is emitted from an arbitrary slave unit, and a slave unit number and a set time input by the input unit. Input information storage means for storing, an identification number storage means for storing an identification number of the master unit and an identification number for identifying each of the slave units, and when a set time stored in the input information storage means is reached. And control means for performing control to read the identification number of the slave unit and the identification number of the master unit corresponding to the set time from the identification number storage unit and to transmit the start number of the alarm sound to the slave unit side,
An identification number storage unit that stores the identification number of the master unit and the identification number of the slave unit, an alarm issuing unit that receives an operation signal and emits an alarm sound, and is transmitted from the master unit. The identification number is compared with the identification number stored in the identification number storage means, and when both numbers match, the alarm issuance means is actuated based on a start signal of an alarm sound transmitted from the master unit. Send a signal and respond to incoming calls
Control means for transmitting an answer signal to the master unit. The control unit of the master unit receives an incoming call from the slave unit.
Based on the response signal, set the applicable slave unit number and set time
This is to be deleted from the input information storage means .

[0010]

When the user of the master unit calls the slave unit arbitrarily, the number of the slave unit whose alarm sound is to be emitted in advance by the input means,
Enter the time when the alarm should sound. This input information is stored in the input information storage means.

The control means of the master unit monitors the current time which is counted by the internal timer based on the time data stored in the input information storage means. Then, when the current time by the internal timer matches the time data, the control means reads out the slave unit number corresponding to the time data stored in the input information storage means and identifies the slave unit number corresponding to the slave unit number. And the identification number of the master unit are read from the identification number storage means, and control is performed to transmit the identification number information and the alarm sound start signal to the slave unit side.

The control unit of each slave unit that has received the transmission signal compares the identification number included in the received signal with the identification number of the slave unit stored in the identification number storage unit. When the two identification signals match, the control unit sends an operation signal to the alarm issuing unit based on the alarm sound start signal included in the received signal. The warning issuance unit emits a warning sound in response to the operation signal. Further, the control means includes a receiving signal
Incoming call response signal based on the alarm sound start signal contained in
To the master unit. The control means of the master unit
The relevant slave unit number and the set time are
Erase from the input information storage means .

[0013]

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 according to the present invention.

The cordless telephone comprises a master unit 1 connected to a telephone line (not shown) and a plurality of slave units 2 connected to the master unit 1 by a wireless line. However, only one slave unit is shown in the drawing.

The base unit 1 has an input unit 3 as input means for various information in the main unit body. The input unit 3 inputs an ID code of each slave unit 2 by key operation and inputs and sets a time at which a warning sound is emitted from the slave unit 2 selected in advance. I have.
The RAM 4 is input information storage means for storing the ID code of each slave unit 2 input from the input unit 3 and a set time corresponding to each slave unit 2, and is bidirectionally connected to the master unit control unit 8. ing.

The output of the timer 7 for measuring the current time is guided to the master unit control unit 8 and an IDRO (identification signal) for storing the ID codes (identification signals) of the master unit 1 and all the slave units 2.
The output of M5 and the output of control signal ROM 6 that stores various control signals of master unit 1 are connected. The control signal stored in the control signal ROM 6 includes an alarm sound start signal "sound an alarm sound".

The output of the master unit control unit 8 is connected to a modulation unit 9, and the output of the modulation unit 9 is connected to an antenna 13 via a transmission unit 10 that transmits a signal to the slave unit 2. ing. The antenna 13 is connected to a receiving unit 11 that receives a signal from the slave unit 1, and an output of the receiving unit 11 is connected to the master unit control unit 8 via the demodulation unit 12.

The base unit control unit 8 is constituted by a CPU (central processing unit), controls the operation of the whole base unit 1, and sets the current time from the timer 7 to the set time stored in the RAM 4. At this time, the ID code of the slave unit number corresponding to the set time is read from the ID ROM 5, and
In addition, control is performed to transmit the ID code to the slave unit 2 together with the alarm sound start signal stored in the control signal ROM 6.

On the other hand, the antenna 14 of the slave 2
The receiving unit 15 that receives the transmission signal from the side is connected, and the output of the receiving unit 15 is connected to the slave unit control unit 22 via the demodulation unit 16. The output of the slave unit control unit 22 is connected to the modulation unit 17, and the output of the modulation unit 17 is
It is connected to the antenna 14 via a transmission section 18 for transmitting a signal to the base unit 1 side.

An IDR for storing the ID code of the slave unit 2 and the ID code of the master unit 1 is stored in the slave unit control unit 22.
The output of the OM 19 and the output of the control signal ROM 20 storing various control signals of the slave unit 2 are connected to each other. The control signal stored in the control signal ROM 20 includes a start signal of an alarm sound “sound an alarm sound for a certain time” and a response signal “incoming”.

The output of the handset control unit 22 is an alarm sound generation unit 21 which receives an operation signal and emits an alarm sound such as a ringing tone.
It is connected to the.

The slave unit control unit 22 is constituted by a CPU (Central Processing Unit), controls the operation of the entire slave unit 2, and transmits an ID code and an alarm sound start signal from the master unit 1 side. When it comes, the IDROM 5 on the slave unit 2 side
Is compared with the ID code stored in the CPU, and when both codes coincide with each other, an operation signal is sent to the alarm sound generation unit 21 to control the alarm sound generation unit 21 to operate for a predetermined time.

Next, the operation of the cordless telephone having the above configuration will be described with reference to the flowcharts shown in FIGS. However, FIG. 2 is a flowchart for explaining the operation of the parent device 1, and FIG. 3 is a flowchart for explaining the operation of the child device 2.

First, when the user of the master unit 1 wants to sound an alarm of a specific slave unit 2 at an arbitrary time, the number of the slave unit 2 for emitting the alarm sound by the input unit 3 and the alarm sound are emitted in advance. Set the time to sound. This input information is stored in the RAM 4 as a slave unit number and a set time.

In this state, the base unit control section 8 constantly monitors whether or not the time of the timer 7 has reached the set time stored in the RAM 4 (step S11), and confirms that the set time has been reached. (Step S12), RAM
4 to determine whether or not there is information on the child device number (step S13). Here, if there is no designation of the slave unit number, the operation ends (step S14).

On the other hand, if it is determined in step S13 that the slave unit number is specified, the data of the slave unit number at which the alarm sound is to be emitted is read out, and the ID is determined based on the number data.
The ID code corresponding to the number data is read from the RAM 5. In addition, the data of the start signal of the alarm sound “sound alarm” is read from the control signal ROM 6, and a transmission signal is generated together with the ID code (step S1).
6).

This transmission signal is modulated by the modulation section 9 (step S17), and after confirming the vacancy of the control channel, is transmitted from the antenna 13 to the slave unit 2 via the transmission section 10 (step S18).

The transmission signal from the base unit 1 is received by the receiving unit 15 via the antenna 14 of each slave unit 2,
After being demodulated to the original signal by demodulator 16, slave controller 2
2 (steps S31 and S32).

The handset control unit 22 controls the I
D code and own ID stored in IDROM 19
A comparison with the code is performed (step S33). Where both I
When the D codes do not match, the slave unit control unit 22 determines that the instruction is not an instruction to the slave unit itself, and ends the operation without sending an operation signal to the alarm sound generation unit 21.

On the other hand, if the two ID codes match in the judgment at step S33, the operation of the alarm sound is controlled, and the answer back control for notifying the master unit 1 of the reception confirmation is performed (step S34).

That is, the slave unit control section 22 decodes the content of the control signal (alarm sound start signal) from the master unit 1 and starts the alarm sound "sound an alarm sound for a certain time" from the control signal ROM 20. The signal is read out, and an operation signal is transmitted to the alarm sound generation unit 21 based on the start signal (step S).
35). The alarm sound generation unit 21 determines
After operating for a fixed time to emit an alarm sound, the operation is terminated (step S36).

Further, the slave unit control section 22 controls the control signal RO.
The data of the response signal of "incoming call" is read from M20, and the ID code of master unit 1 and the ID code of slave unit 2 are read from IDROM 19 to generate a transmission signal (steps S37, S38). The generated transmission signal is modulated by the modulator 17 (step S3).
9) After confirming the availability of the control channel, the transmitting unit 18
Is transmitted from the antenna 14 to the base unit 1 via the communication terminal (step S40).

The transmission signal from the handset 2 is received by the reception unit 11 via the antenna 13 of the base unit 1 (step S19), and is demodulated into the original signal by the demodulation unit 12 (step S20). , To the parent machine control unit 8.

When the master controller 8 confirms from the received signal that the previously transmitted signal has arrived at the slave 2 (step S21), the master unit controller 8 stores the information regarding the slave number in the RA.
M4 is erased and a series of operations is completed (step S2).
2).

As described above, when the user of the base unit 1 wants to sound an alarm of any sub unit 2 at any time, the input unit 3
By setting the number of the child device to be sounded and the alarm time, the alarm of the necessary child device can be sounded at the required time without going out to the place where the base unit 1 is placed. Also, after sounding the alarm of the slave unit,
And the corresponding slave unit number in RAM 4 based on the response signal
The alarm time is automatically deleted, so the user can delete it.
And save the same time,
Ensure malfunctions such as sounding a sub-unit alarm again at the same time
Can be prevented.

[0037]

According to the cordless telephone of the present invention, when the user of the base unit inputs and sets in advance the number of the slave unit for which the alarm should be emitted and the time at which the alarm should be emitted, at the set time. When it becomes, the identification number information and the start signal of the alarm sound are sent to the slave unit, and the alarm sound is emitted from any slave unit, so that the alarm sound is emitted from any slave unit. In doing so, the user does not need to go to the place where the base unit is placed, and the operation of the call button is not necessary, so that the convenience of the cordless telephone is improved. Further, when calling the slave unit, it is not necessary to switch to the extension call state in order to emit only the ringing tone as in the related art .
Also, after sounding the alarm of the slave unit, a response signal from the slave unit
And the corresponding slave unit number in the input information storage
The alarm time is automatically deleted.
Saves time and saves you from erasing
Ensure malfunctions such as sounding the alarm of the slave unit again at the time
There is an effect that it can be prevented .

[Brief description of the drawings]

FIG. 1 is a block diagram showing an electrical configuration of a cordless telephone according to the present invention.

FIG. 2 is a flowchart for explaining the operation of the master unit.

FIG. 3 is a flowchart for explaining the operation of the slave unit.

[Explanation of symbols]

 Reference Signs List 1 master unit 2 slave unit 3 input unit 4 RAM 5 IDROM 8 master unit control unit 19 IDROM 21 alarm sound generation unit 22 slave unit control unit

──────────────────────────────────────────────────続 き Continued on the front page (58) Field surveyed (Int.Cl. ⁶ , DB name) H04B 7/24-7/26 H04Q 7/00-7/38 H04M 1/00

Claims (1)

(57) [Claims] 1. A cordless telephone comprising a master unit connected to a telephone line and a plurality of slave units connected to the master unit by a wireless line, wherein a number of the slave unit is input to the master unit. And input means for inputting a time at which an alarm sound is emitted from an arbitrary slave unit, input information storage means for storing a slave unit number and a set time inputted by the input unit, an identification number of the master unit, Identification number storage means for storing an identification number for identifying each of the slave units; and, when a set time stored in the input information storage means has been reached, an identification number and a base unit of the slave unit corresponding to the set time. Control means for reading out the identification number from the identification number storage means and transmitting it to the slave unit together with the start signal of the alarm sound, wherein the slave unit has the identification number of the master unit and the slave unit. Write the identification number Identification number storage means, an alarm issuing means for receiving an operation signal and emitting an alarm sound, and comparing the identification number transmitted from the master unit with the identification number stored in the identification number storage means. sends out an operation signal to said alarm onset report means based on the start signal of the alarm sound transmitted from the base unit when the two numbers match, the incoming response
Control means for performing a control for transmitting an answer signal to the master unit side , wherein the control unit of the master unit responds to an incoming response signal from the slave unit.
Based on the input information,
A cordless telephone characterized by being erased from storage means .