JP3203758B2 - Wireless telephone equipment - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a wireless telephone apparatus integrated with a cordless cellular system, and more particularly to a wireless telephone apparatus provided with a service for an incoming call when a slave unit goes out of a communicable range.

[0002]

2. Description of the Related Art In recent years, wireless telephone devices have been widely used with their improved convenience and economy.
Among them, a cordless telephone having a limited usable range for use in offices and homes, and a wireless telephone that performs wireless communication with a wireless telephone service network such as a cellular telephone and can be used in a wide range have become widespread. There is also an integrated wireless telephone that combines a cordless telephone and a cellular telephone.

[0003] A conventional example of such a cordless cellular-integrated wireless telephone device will be described below. FIG. 2 is a block diagram of a base unit and a handset unit of a conventional cordless / cellular-integrated wireless telephone device. Reference numeral 1 denotes a cellular wireless unit for performing wireless communication with a wireless telephone service network such as a cellular telephone; A cellular antenna for the unit, 3 a receiving unit, 4 a transmitting unit, 5 a cordless wireless unit for performing wireless communication with the slave unit, 6 an antenna, 7 a control unit for supplying and controlling power to each of the above units, Each of these blocks 1 to 7 constitutes a base unit 14 of the wireless telephone. Reference numeral 8 denotes a receiving unit, 9 denotes a transmitting unit, 10 denotes a key operation unit, 11 denotes a cordless wireless unit that performs wireless communication with the master unit, 12 denotes an antenna, and 13 denotes a control unit that supplies power to and controls the above units. Each of blocks 8 to 13 constitutes a slave unit 15 of the wireless telephone.

With respect to the radio telephone apparatus having the above-described components, the mutual relationship between the components and the operation thereof will be described.
When a user of the wireless telephone device makes a call from the handset, the key operation unit 10 dials and performs a call operation. When the calling operation is completed, the control unit 13 converts the calling request signal into a radio signal by the cordless radio unit 11 and outputs the radio signal via the antenna 12 as a radio wave. The radio wave is received by the base unit 14 via the cordless antenna 6 and converted into a call request signal by the cordless radio unit 5. In response to this, the control unit 7 converts the response signal into a wireless signal at the cordless wireless unit 5 and outputs the wireless signal via the cordless antenna 6 as a radio wave. The radio wave is received by the slave 15 via the antenna 12 and converted into a response signal by the cordless radio unit 11. In response to this, the control unit 13 determines that wireless communication with the master unit is possible, converts the call information into a wireless signal in the cordless wireless unit 11, and outputs the wireless signal from the antenna 12 as a wireless radio wave. The radio wave is received by the base unit 14 via the antenna 6 and converted into call information by the cordless radio unit 5. The control unit 7 controls the cellular radio unit 1 based on the call information,
A radio wave is output from the cellular antenna 2. After the called party goes off-hook, base unit 14 transmits and receives a radio signal to and from the base station and cellular radio unit 1 via cellular antenna 2,
The base unit 14 and the handset 15 transmit and receive wireless signals between the cordless wireless unit 5 and the cordless wireless unit 11, and the receiving unit 8 and the transmitting unit 9 start talking.

Next, when an incoming call arrives at the cellular radio section 1 of the base unit 14, the control section 7 converts the incoming call notification signal into a radio signal at the cordless radio section 5 and converts it into a radio wave via the cordless antenna 6. Output. The radio wave is received by the slave unit 15 via the antenna 12 and the cordless radio unit 11
Is converted to an incoming notification signal. In response to this, the control unit 13 converts the response signal into a wireless signal at the cordless wireless unit 11 and outputs the wireless signal via the antenna 12 as a wireless radio wave. The radio wave is received by the base unit 14 via the cordless antenna 6 and converted into a response signal by the cordless radio unit 5.
In response to this, the control unit 7 determines that wireless communication with the slave unit 15 is possible, converts the incoming information into a wireless signal using the cordless wireless unit 5, and outputs it as a wireless radio wave from the antenna 6. In the slave unit 15, the incoming information is received by the cordless wireless unit 11 via the antenna 12. When the user of the slave unit 15 performs a key input from the key operation unit 10, the control unit 13 receives the key input and performs a call process, so that a call can be made with the caller.

[0006]

However, since the above-mentioned conventional wireless telephone device can be used while moving both the base unit and the handset, when a call arrives at the base unit, a person holding the handset can be used. It may have moved out of the radio wave range of the parent machine. In this case, the telephone cannot be called because the child device cannot be called from the parent device. Therefore, the caller has the trouble of making a call again to talk to the user of the slave unit,
There is a problem that the user of the slave unit does not know that there is an incoming call when the user is out of the radio wave range.

SUMMARY OF THE INVENTION The present invention has been made to solve the above problems, and has as its object to provide a radio telephone apparatus which notifies a user of a handset of an incoming call and enables a telephone call with a caller.

[0008]

According to the present invention, in order to solve the above-mentioned conventional problems, when an incoming call is received, the range of radio waves with the handset is determined. After that, the communication unit is controlled to periodically
Calls the handset and the handset responds to this call
When you make a call, make a call according to the stored phone number information,
This establishes communication between the public telephone service network and the slave unit.

[0009]

According to the present invention, the power consumption of the slave unit is
Without increasing the power, it is possible to perform communication with the called party who is out of the range of the telephone immediately when the slave returns to the communication range with the wireless telephone device.

[0010]

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

FIG. 1 is a block diagram showing a configuration of a wireless telephone device according to one embodiment of the present invention. 1 is a cellular radio section, 2
Is a cellular antenna, 3 is a receiving section, 4 is a transmitting section, 5 is a cordless radio section, 6 is an antenna, 7 is a control section,
The above operation is the same as in the conventional example. Reference numeral 16 denotes a voice storage unit in which voice guidance is recorded, 17 denotes a DTMF detection unit that detects a DTMF signal, 18 denotes a telephone number management unit that registers a telephone number, and 19 denotes a telephone number registered in the telephone number management unit 18. In this case, the mobile phone call management unit manages calls of the mobile phone at regular time intervals, and these blocks constitute the base unit 14 of the wireless telephone. 8 is a receiver, 9 is a transmitter, 1
Reference numeral 0 denotes a key operation unit, 11 denotes a cordless radio unit, 12 denotes an antenna, and 13 denotes a control unit, which performs the same operation as the conventional example.
Each of the blocks 8 to 13 constitutes the slave unit 15 of the wireless telephone.

With respect to the radio telephone apparatus having the above-described components, the mutual relationship between the components and the operation thereof will be described.
The operation when the user of the wireless telephone device makes a call from the handset 15 is the same as the conventional example. Cellular radio section 1 of base unit 14
When there is an incoming call, the control unit 7 outputs a radio signal for notifying the incoming call from the cordless radio unit 5 via the cordless antenna 6 as a radio wave. The operation when the slave unit 15 is within the radio wave range of the master unit 14 is the same as in the conventional example. When the slave unit 15 is out of the radio wave range of the master unit 14,
Since handset 15 cannot receive a radio wave, it cannot send a response signal, and thus base station 14 cannot receive a response signal even after a certain period of time. In this case, the control unit 7 determines that the slave unit 15 is out of the radio wave reach range, and
The voice guidance recorded in 6 is transmitted to the caller (for example, "I cannot make a call at this time. As soon as I can make a call, I will make a call again and enter my phone number."). The telephone number entered by the caller is the DTMF detector 1
7, converted by the control unit 7 into a code representing a DTMF signal, and registered in the telephone number management unit 18. Further, control unit 7 notifies child device call management unit 19 that the telephone number has been registered. In response to this, the handset call management unit 19 requests the control unit 7 to call the handset 15 at regular intervals. In response to this request, the control unit 7 converts the communication request signal between the parent device and the child device into a radio signal by the cordless radio unit 5 and outputs the radio signal via the cordless antenna 6 as a radio wave. Here, when the handset 15 is returned within the radio wave range of the base unit 14, the radio wave is received by the handset 15 via the antenna 12, and is converted by the cordless radio unit 11 into a call request signal between the base unit and the handset. You. In response to this, the control unit 13 converts the response signal into a wireless signal at the cordless wireless unit 11 and outputs the wireless signal via the antenna 12 as a wireless radio wave. The radio wave is received by the base unit 14 via the cordless antenna 6 and the cordless radio unit 5
Is converted into a response signal. In response to this, the control unit 7 determines that wireless communication with the slave unit 15 is possible, and
The voice guidance (eg, “There is an incoming call. I will call the other party now.”) Recorded in the cordless radio unit 5 and the cordless antenna 6 via the cordless antenna 6
5 and a telephone number registered in the telephone number management unit 18 is converted into a radio signal by the cellular radio unit 1 and output as a radio wave via the cellular antenna 2.

As described above, according to the present embodiment, when there is an incoming call when the slave unit is out of the service area, the message stored in the voice storage unit is transmitted to the caller to request the input of the telephone number. Then, the input number is registered in the telephone number management unit, and the slave unit is called from the slave unit call management unit at regular intervals. When the handset returns to the call area and receives it, it sends a response signal to the base unit, and both units enter a call state, a message is sent from the base unit to the handset, and the base unit forms a communication path with the caller So that the handset user knows the incoming call and can talk to the caller.

[0014]

According to the present invention, when there is an incoming call, the range of radio waves with the slave unit is determined. If the range is not within the range, the telephone number information of the other party is stored, and then the communication unit is controlled. Regular
Call the slave unit, and
When the communication with the slave unit is restored, a call is made in accordance with the stored telephone number information to establish communication between the public telephone service network and the slave unit. The communication with the called party when the mobile phone is out of the telephone range can be performed immediately when the slave unit returns within the communication range with the wireless telephone device without increasing the power consumption .

[Brief description of the drawings]

FIG. 1 is a block diagram showing a configuration of a wireless telephone device according to an embodiment of the present invention.

FIG. 2 is a block diagram showing a configuration of a conventional wireless telephone device.

[Explanation of symbols]

 16 Voice storage unit 17 DTMF detection unit 18 Phone number management unit 19 Remote unit call management unit

Claims (1)

(57) [Claims] 1. A wireless telephone device that can be directly connected to a slave unit by wireless communication and can communicate with a wired public line, the wireless telephone device comprising: a wireless unit that performs wireless communication with the slave unit; A communication unit that communicates with a public telephone service network; a storage unit that stores telephone number information of the other party; and when a call is received from the public telephone service network via the communication unit, a radio wave from the wireless unit reaches a slave unit. If it has arrived, the wireless unit and the communication unit are controlled to establish communication between the slave unit and the public telephone service network. If it has not arrived, the other party arriving from the communication unit The telephone number information is stored in the storage means, and thereafter, the communication unit is controlled to periodically call the slave unit.
And when the handset answers this call,
A control unit that controls the communication unit to make a call according to the telephone number information stored in the storage unit, controls the wireless unit, and establishes communication between the public telephone service network and the slave unit. Characteristic wireless telephone device.