JPH1188480A - Cordless telephone set - Google Patents

Abstract

PROBLEM TO BE SOLVED: To securely transmit a message by once storing sound in the sound message in the sound memory of a master machine and permitting the master machine to automatically transmit the sound message to a specified slave machine. SOLUTION: At the time of transmitting the sound message from a first slave machine 1 to the second slave machine 3, a signal requesting message transmission to the second slave machine 3 is transmitted to the master machine 1 from a radio connection part 21 through a control channel. When the user of the first slave machine 2 hearing a signal urging the transmission of the sound message from the master machine 1 inputs the sound messaged through a sound input/output micrphone 23, its it is transmitted to the radio connection part 11 of the master machine from the radio connection part 21 of the first slave machine 2 through the call channel. The transmitted sound message is stored in the sound memory 12 by the control part 14 of the master machine 1. The control part 14 of the master machine 1 transmits the sound message stored in the sound memory 12 of the second slave machine 3 to a stored transmission destination based on data.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a cordless telephone having a plurality of slave units.

[0002]

2. Description of the Related Art At present, cordless telephones having a plurality of cordless handsets have been widely adopted in ordinary homes and small offices. When such a cordless telephone is used, a telephone call can be made at an arbitrary place by a child device without routing a line in a home or office, and convenience is improved.

In recent years, it has also been described in JP-A-6-334601 (H04B7 / 26), JP-A-6-338927 (H04M1 / 00) and JP-A-5-327611 (H04B7 / 26). As
Cordless telephones that allow calls between child devices have also appeared.

[0004] By installing a cordless telephone handset capable of making a call between handset units in each room of a home or office,
Calls between rooms can also be made.

[0005]

However, in this kind of cordless telephone capable of performing a conventional inter-slave communication, the user of the called-slave having received the inter-slave communication request from the calling-slave is called. At times, if for some reason the call cannot be answered, the calling handset user may continue calling until the called handset user answers the call, or
The call had to be interrupted and called again later.

[0006]

SUMMARY OF THE INVENTION The present invention has been made in view of the above-mentioned problems, and is characterized by a master unit connected to a telephone line and a plurality of master units connected to the master unit by wireless lines. In the cordless telephone including the slave unit, the base unit includes: a voice memory that stores a voice message; a unit that stores a voice message in the voice memory when a call request signal for the slave unit is received; Means for storing the data to be specified, and means for controlling to transmit the voice message in the voice memory storage means to the slave unit specified by the data stored in the data storage means after receiving the voice message. That you have.

[0007]

FIG. 1 is a block diagram showing an embodiment of a cordless telephone to which the present invention is applied. The cordless telephone of this embodiment is connected to a base unit 1 and wirelessly connected to the base unit 1. First and second slave units 2 and 3.

The base unit 1 includes a wireless connection unit 11 having a transmission / reception unit for performing wireless connection with the first and second slave units 2 and 3,
It has a voice memory 12 capable of storing voice messages, a line connection unit 13 for connecting to a telephone line, and a control unit 14 for controlling the above-mentioned units.

[0009] The first and second slave units 2 and 3 respectively have wireless connection units 21 and 31 each having a transmission / reception unit for making a wireless connection with the master unit 1 and input numerical data such as telephone numbers. Operating units 22 and 32 having function keys for inputting various instructions such as a numeric keypad and a request for a call between handset units, voice input / output units 23 and 33 having a microphone and a speaker, and wireless calling from the base unit 1 Buzzer 24, 3 for notifying
4 and control units 25 and 35 for controlling the above units. Although FIG. 1 shows only two slaves as slaves, the third and subsequent slaves have the same configuration as the first and second slaves.

In the present embodiment, when an incoming call is received via a telephone line, the base unit 1 detects the incoming call at its line connection unit 13 and, based on the detection, the control unit 14 causes the radio connection unit 11 to detect the incoming call.
A signal is transmitted to each of the slave units 2 and 3 to notify the incoming call. When each of the slave units 2 and 3 receives this signal at each of the wireless connection units 21 and 31, each of the control units 25 and 35 causes the buzzers 24 and 34 to sound. When any of the slave units is hooked off in response to the ringing, the control unit of the hooked-off slave unit connects to the wireless line with the master unit 1 to enable a call.

On the other hand, when a call is transmitted from one of the slave units 2 and 3 to the outside, the user first hooks off the slave unit 2 or 3 and operates an operation unit 22 or 32 to operate an external line connection request instruction. I do. Now, assuming that the first slave unit 2 is hooked off and an external line connection request instruction is issued, the hook-off and the instruction are transmitted to the control unit 25 of the first slave unit 2.
Is detected, and an external line connection request signal is transmitted from the wireless connection unit 21 to the base unit 1. This external line connection request signal is sent to the wireless connection unit 11.
The control unit 14 controls the line connection unit 13 to connect the wireless connection unit 11 and the telephone line. Thereby, the voice input / output unit 23 of the first slave unit 2 is connected to the telephone line via the wireless connection unit 21 of the first slave unit 2, the wireless connection unit 11 of the base unit 1, and the line connection unit 13. Becomes
Thereafter, when the telephone number of the other party is input using the numeric keypad of the operation unit 22 of the first slave unit 2, a dial signal corresponding to the telephone number is transmitted to the telephone line, and the other party responds by responding to the first slave unit. The communication between the machine 2 and the other party becomes possible.

Further, the apparatus of the present embodiment can transmit and receive voice messages between slave units, in addition to sending and receiving calls to and from the outside via the above-mentioned telephone line.

For example, when transmitting a voice message from the first handset 2 to the second handset 3, first the user
Is hooked off and an instruction to designate the second slave unit 22 is made by operating the operation unit 22 key, the hook-off and the instruction are detected by the control unit 25 of the first slave unit 2, and the control channel is transmitted from the wireless connection unit 21. Second child device 3 to parent device 1 via
Send a signal requesting the transmission of a voice message to When base unit 1 receives this transmission request at wireless connection unit 11,
The control unit 14 shifts to a mode for storing the voice message transmitted from the first slave unit 2 in the voice memory 12 and stores the source and destination of the message,
Prepare to receive voice messages. Then, when the reception system is ready, a signal such as a voice prompting the transmission of a voice message to the first slave unit 2 is transmitted through the communication channel. This signal is output from the wireless connection unit 11 of the base unit 1 to the speaker of the audio input / output unit 23 via the wireless connection unit 21 of the first slave unit 2. When the user of the first slave unit 2 hears the signal prompting the transmission of the voice message from the master unit 1 and inputs the voice message through the microphone of the voice input / output unit 23, the wireless connection unit 21 of the first slave unit 2 It is transmitted to the wireless connection unit 11 of the base unit 1 via the call channel. The transmitted voice message is stored in voice memory 12 by control unit 14 of base unit 1.

The transmission of the voice message from the first handset 2 is completed, and the first handset 2
When the line with the slave unit 2 is released, the control unit 14 of the master unit 1 sends a voice message stored in the voice memory 12 to the second slave unit 3 to the stored transmission destination based on the data.
Specifically, first, the control unit 14 of the base unit 1 transmits the second communication from the wireless connection unit 11 to establish a communication channel with the second handset 3.
A control signal for requesting connection with the slave unit 3 is transmitted via a control channel. When the second slave unit 3 receives the control signal via the wireless connection unit 31, the control unit 3 of the second slave unit 3 receives the control signal.
5 makes a call by sounding the buzzer 34, and in response to the call, when the user hooks off, establishes a communication channel with the base unit 1 to enable a call. When the communication channel is established, the control unit 14 of the base unit 1 sends the voice message stored in the voice memory 12 to the second handset 3
And waits for the second handset 3 to be hooked on and waits for the second handset 3
Terminate the connection with.

If the user does not respond to the user call in the second handset 3 within a predetermined time (for example, 15 seconds), the base unit 1 sets the connection every few minutes (for example, three minutes). A request control signal is sent to the second handset 3 and the first handset 2
Is reliably transmitted to the user of the second slave unit 3.

The transmission of the voice message from the master unit 1 to the second slave unit 3 is repeated not only once but also twice or more.
This allows the user of the second slave unit 3 to reliably hear the voice message.

Further, after the voice message is transmitted from the master unit 1 to the second slave unit 3 and before the second slave unit 3 is hooked on, the user of the second slave unit 3 operates a predetermined key on the operation unit 32 thereof. When the operation is performed, the control unit 35 determines that the user wants to reply to the voice message or the like, and notifies the master unit 1 of the fact via the control channel from the wireless connection unit 31. Upon receiving this notice,
The control unit 14 of the base unit 1 switches the source and destination data already stored and sets a mode for storing the voice message transmitted from the second handset 3 via the communication channel in the voice memory 12. Transition and prepare for receiving voice messages. Then, when the receiving system is ready, a signal such as a voice prompting the transmission of a voice message to the second handset 3 is transmitted via the communication channel. This signal is sent to master unit 1
Is output from the speaker of the audio input / output unit 33 via the wireless connection unit 11 of the second slave unit 3 via the wireless connection unit 31 of the second slave unit 3. Second that heard a signal prompting transmission of a voice message from master unit 1
When the user of the child device 3 inputs a voice message through the microphone of the voice input / output unit 33, the wireless connection unit 3 of the first child device 2
1 and a wireless connection unit 11 of the base unit 1 via a communication channel.
Sent to. The transmitted voice message is stored in voice memory 12 by control unit 14 of base unit 1. Thereafter, the control unit 14 of the parent device 1 terminates the connection with the second child device 3 due to the hook-on of the second child device 3 and the audio memory 12
The same control as the above-described transmission to the second handset 3 is performed to transmit the voice message stored in the first handset 2 to the first handset 2. As a result, a pseudo call between the slave units can be performed.

Although the present embodiment has been described with reference to the transmission of a voice message between slave units, the present invention can be applied to, for example, the transmission of a voice message between an external telephone and a specific slave unit of a cordless telephone. At this time, the telephone number of the external telephone obtained by the caller telephone number guidance service or the like is stored as the source or destination data.

[0019]

According to the present invention, when a voice message is transmitted to a specific child device of a cordless telephone, the voice is temporarily stored in the voice message in the voice memory of the parent device, and the voice message is automatically transmitted to the specific child device by the parent device. The call can be continued until the user of the called slave unit answers the call, or the call can be reliably transmitted without having to stop the call and call again later. .

[Brief description of the drawings]

FIG. 1 is a block diagram showing one embodiment of a cordless telephone to which the present invention is applied.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Base unit 2 Slave unit 3 Slave unit 12 Voice memory 22 Operation part 32 Operation part

Claims (6)

[Claims] 1. A cordless telephone comprising a base unit connected to a telephone line and a plurality of sub units connected to the main unit by wireless lines, wherein the sub unit communicates with another sub unit. Means for transmitting a request signal (call request signal between slave units) to the master unit, wherein the master unit includes a voice memory for storing a voice message;
Means for storing, in the voice memory, a voice message sent from the first child device, when receiving the inter-child device communication request signal with the second child device from the first child device; Means for storing data for specifying the child device, and after completion of receiving the voice message from the first child device, the second child device specified by the data stored in the data storage means stores the data in the voice memory storage means. Means for controlling transmission of the voice message. 2. The control means according to claim 1, wherein, when transmitting said voice message to said second handset, when establishing a communication channel with said second handset fails, said control means is re-transmitted after a predetermined time. A cordless telephone, wherein the call channel is established. 3. The cordless telephone according to claim 1, wherein said control means repeatedly transmits the voice message in said voice memory storage means at least twice. 4. The control means according to claim 1, wherein, after transmitting a voice message in said voice memory storage means to said another handset, receiving a predetermined signal from said second handset, A cordless telephone, wherein a voice message transmitted from a child device is stored in the voice memory means, and control is then performed to transmit the voice message in the voice memory storage means to the first child device. 5. 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 the master unit has a voice memory for storing a voice message. ,
Upon receiving the call request signal with the handset, means for storing a voice message in the voice memory, means for storing data specifying the handset, and after receiving the voice message, storing in the data storage means Means for controlling transmission of the voice message in the voice memory storage means to the slave unit specified by the data. 6. The control means according to claim 5, wherein the control means transmits the voice message in the voice memory storage means to the handset and, when receiving a predetermined signal from the handset, transmits the signal from the handset. A cordless telephone, wherein a voice message is stored in said voice memory means, and control is then performed to transmit a voice message in said voice memory storage means to said call request signal source.