JP2006148955A - Telephone set - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a telephone set which improves operability regarding operation identifying a signal level received from a base station of each service network, and improves the user's convenience, in a telephone set which chooses one service network required from among two or more service networks, and communicates. <P>SOLUTION: There are provided a first antenna mark viewing region 33 and a second antenna mark viewing area 35. An antenna marks of a network 1 and network 2 are displayed simultaneously. To each antenna mark, there is a pattern of a distinct plural number of vertical lines and is used properly, according to the level of the signal. There are provided a first network delimiter viewing area 34 and a second network delimiter viewing area 36.Each network is displayed, using "PHS (personal handy-phone system)" and "cellular" representing a system. Further, a call service network used, when a call is displayed, in a mode that is distinguishable, using for example, an inverted display etc. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention relates to a telephone that selects and communicates a desired telephone service network from a plurality of telephone service networks.

  Corresponding to the current situation in which multiple telephone service networks with different telecommunications carriers and communication methods are being built, a function for making incoming / outgoing calls to / from multiple telephone service networks is built in one telephone, and it is possible to A telephone having a function of selecting and communicating with the telephone service network has been put into practical use.

  Such telephones that can communicate using a plurality of telephone service networks are generally called dual-type telephones.

According to the dual-type telephone, there is a convenience that the user determines and selects the level of the signal received from the base station of each telephone service network and the amount of the communication charge according to the telephone service network. Specifies the telephone service network selection order in advance, and automatically selects the telephone service network with the highest selection order from among the telephone service networks that can be communicated at the time of making a call. Although it is very convenient, it has the following problems.
JP-A-6-343189

  That is, in the conventional dual type telephone, only the signal level received from the base station of one telephone service network is displayed on the display on the front surface of the telephone, so that the user can receive from the base stations of the plurality of telephone service networks. When it is attempted to check the level of the received signal, it is necessary to switch and display the telephone service network by a switch operation or the like, and the operation is complicated.

In view of the above problems, the present invention improves the operability of the operation for confirming the signal level received from the base station of each telephone service network in a telephone that communicates using a plurality of telephone service networks. The purpose is to provide a telephone with improved convenience.

  In order to solve the above problems, the telephone of the present invention is a telephone that selects and communicates a desired service network from a plurality of service networks, and receives a signal from each base station of the plurality of service networks. Receiving means, determining means for determining the level of each signal being received, and display means for displaying on the display a mark indicating the determined signal level of each service network, according to the user's selection A desired service network is selected from a plurality of service networks.

  As a result, the user can determine the reception level of the service network and can wash any service network.

<Configuration of mobile phone>
The mobile phone described in this embodiment simultaneously receives signals from the base stations of the two telephone service networks, determines the level of each received signal, and simultaneously marks each of the determined levels. And a symbol identifying which telephone service network the level is associated with.

  As a specific example of a telephone that communicates using two telephone service networks, a cellular system and a CDMA (Code Division Multiple Access) communication function are incorporated, and a cellular system provided by company A and a CDMA system provided by company B are provided. A telephone that can communicate using any telephone service network, has a built-in communication function based on a cellular system and a PHS (Personal Handyphone System) system, and uses either a cellular system or a PHS system telephone service network provided by Company C. There is also a telephone that can communicate.

  In addition, there are telephones that incorporate only a cellular communication function, and that can communicate using any of the telephone service networks provided by Company D in Country X and Company E in Country Y, both adopting the cellular system.

  In the present embodiment, the two telephone service networks are divided into a PHS telephone service network (hereinafter referred to as network 1) provided by company A and a cellular telephone service network (hereinafter referred to as network 2) provided by company B. Will be described.

  FIG. 1 is a block diagram showing the configuration of the mobile phone of the present invention in this embodiment.

  In the figure, 11 is a first radio unit that communicates with a base station of the network 1, and 31 is a second radio unit that communicates with a base station of the network 2. Each wireless unit includes an RSSI (Received Signal Strength Indicator) detection unit that detects the intensity of the radio wave received from the base station. Reference numeral 22 denotes a first RSSI detector that detects the intensity of the radio wave received from the base station of the network 1, and reference numeral 23 denotes a second RSSI detector that detects the intensity of the radio wave received from the base station of the network 2.

  12 is a π / 4 shift QPSK (Quadrature Phase Shift Keying) between the first radio unit 11 and a first TDMA (Time Division Multiple Access) processing unit 13 with respect to the digitized baseband signal for the network 1. This is a first modem unit that performs modulation and demodulation by the above.

  Reference numeral 25 denotes a second modem unit that performs the same processing as that of the first modem unit 12 on the network 2 signal between the second radio unit 31 and the second TDMA processing unit 26. However, the modulation and demodulation methods correspond to the cellular method.

  Reference numeral 13 denotes a first TDMA processing unit that controls a transmission time slot and a reception time slot used for transmission / reception among time-division multiplexed time slots of the signal of the network 1.

  A second TDMA processing unit 26 performs the same processing as the first TDMA processing unit 13 on the signal of the network 2.

  Reference numeral 15 denotes an audio processing unit that converts a digital audio signal and an analog audio signal to each other and performs input / output of the audio signal and amplification thereof via the speaker 16 and the microphone 17.

  Reference numeral 18 denotes a display unit realized by a liquid crystal display panel or the like. The display unit 18 displays antenna marks representing the signal levels of the networks 1 and 2 and symbols representing the networks 1 and 2.

  FIG. 2 shows a specific display example of the display unit 18. Reference numeral 33 denotes a first antenna mark display area, and reference numeral 35 denotes a second antenna mark display area. The antenna marks corresponding to the network 1 and the network 2 are simultaneously displayed. Each antenna mark has a plurality of symbols with different numbers of vertical bars, and is used depending on the signal level. Reference numeral 34 denotes a first network identification symbol display area, and 36 denotes a second network identification symbol display area. Each network is displayed using the symbols “PHS” and “cellular” indicating the system. The telephone service network used at the time is displayed in a distinguishable manner using, for example, reverse display.

  Reference numeral 19 denotes a key unit having a numeric keypad (numeric keys, * key, and # key) and a telephone service network selection key.

  A telephone book storage unit 21 stores a telephone book in which a telephone number, a name, and a telephone service network are associated with each other.

  FIG. 3 shows a specific example of the phone book stored in the storage unit 21. As shown in the figure, a plurality of telephone numbers, names, and telephone service networks to be used when a call is made to the telephone number are associated with each other. This phone book registration is performed by a user operation in the same manner as a conventional telephone. In particular, for the telephone service network, the user determines and designates the telephone service network to which the destination telephone number is subscribed. In addition, up to about 500 phone books can be registered.

  The control unit 22 includes a signal level determination unit 24, is realized by a microcomputer and a built-in ROM, and controls the entire mobile phone by executing a program in the storage unit 21 or the built-in ROM.

  Based on the strength of each radio wave detected by the first RSSI detection unit 22 and the second RSSI detection unit 23, the signal level determination unit 24 sets the signal level to 0 (out of range), 1 (possible) ) 2 (good), 3 (excellent) is determined in four stages.

  In particular, the control unit 22 causes the display unit 18 to display two antenna marks simultaneously based on the respective levels determined by the signal level determination unit 24 as the level display process.

  In addition, as a telephone service network selection process, the control unit 22 selects a telephone service network that is advantageous in terms of communication charges in accordance with the call destination telephone number when making a call, and according to the selection, a symbol representing the telephone service network is selected. Update the display.

<Level display processing>
FIG. 4 is a flowchart showing level display processing in the control unit 22.

  The signal level determination unit 24 determines the signal level of the network 1 (step 101), and the control unit 22 causes the first antenna mark display region 33 to display the number of vertical antenna marks corresponding to the determined signal level. (Step 102). The signal level determination unit 24 determines the signal level of the network 2 (step 103), and the control unit 22 causes the second antenna mark display area 35 to display the number of antenna marks corresponding to the determined signal level. (Step 104). This process is repeatedly executed while the telephone is turned on (step 105).

  Since the method for determining each signal level and the method for displaying the antenna marks for the number of vertical bars corresponding to the determined signal level are the same as those used in conventional telephones, detailed description is omitted. .

According to this processing, since the signal levels of the network 1 and the network 2 are displayed at the same time, when the user tries to check the signal levels of both telephone service networks, it is necessary to switch the telephone service network by a switch operation or the like. There is no.
<Telephone service network selection processing>
FIG. 5 is a flowchart showing telephone service network selection processing in the control unit 22. This process is executed when a call destination is designated by the user when making a call. The designation of the call destination is performed by the user entering a telephone number or selecting from a telephone directory.

  The control unit 22 obtains a telephone service network to be used for making a call from the telephone book stored in the storage unit 21 based on the telephone number input by the user or the selection of the telephone book (step 110). If the telephone service network is not registered (step 111), the telephone service network to which the calling party subscribes is determined from the telephone number (step 116). This determination is made according to a certain rule, for example, a rule such that the first three digits of the telephone number are 070 and the network 1 is 090 and the network 2 is 090. When the telephone service network is registered in the telephone directory or when it is determined from the telephone number that the telephone service network to which the callee is subscribed is the network 1 or the network 2 (step 117), the telephone service Refers to the signal level of the network. If it is out of range (step 112), the selection of the currently selected telephone service network is maintained (step 114). Otherwise, the telephone service network is selected (step 113), and the symbol representing the selected telephone service network is highlighted (step 115).

  According to this processing, in a conventional telephone that automatically selects a telephone service network according to a telephone service network selection order designated in advance by a user, a telephone service network with an advantageous communication charge is not necessarily selected. can be solved.

  The problem is that, in such a telephone set, for example, network 1 is designated as the first order and network 2 is designated as the second order, and communication with a base station of any telephone service network is possible. In some cases, when a call is made to a party subscribed to the network 2, the telephone selects the network 1 that is designated as the first in the selection order, and therefore selects the network 2 that communicates within the same telephone service network. The communication fee is disadvantageous compared to the case.

  For this reason, when the selection order of the network 1 is designated as the first place, the user uses the network 2 in consideration of the communication fee when a call is made to a partner subscribed to the network 2. When the switch is operated, for example, the level of the signal from the base station of the network 2 is found to be inferior, and the telephone may be switched to the network 1 by operating the switch again, etc. User convenience is impaired.

  According to the telephone service network selection process, a telephone service network to be selected from a telephone number is determined, and as long as the determined telephone service network is available, the telephone service network is selected and a call is made. There is no penalty for using a telephone service network different from the telephone service network to which the callee is subscribed, and the user does not need to select a telephone service network in consideration of the communication charge.

  In the above embodiment, a mobile phone that communicates using a telephone service network that employs the PHS system and the cellular system has been described as an example. However, the mobile phone that communicates using a telephone service network that employs the CDMA system and the cellular system is used. May be.

  In this case, a difference is that a CDMA processing unit is provided instead of the first TDMA processing unit 13 in FIG.

  The mobile phone may be a mobile phone that communicates using a telephone service network provided by company D in country X and company E in country Y, both adopting the cellular system.

  In this case, each telephone service network uses radio waves of different frequencies. In FIG. 1, the first radio unit 11 uses one frequency, and the second radio unit 31 uses the other frequency. What is necessary is just to comprise so that it may communicate with the base station of a network. That is, in the case of this configuration, the modulation and demodulation methods in the first modem unit 12 in the figure correspond to the cellular method, the first network identification symbol display area 34 and the second network identification symbol display area in FIG. The point which uses the symbol which shows a country or a communication carrier as a symbol displayed on 36 instead of the symbol showing a system differs from the said embodiment.

  In the above-described embodiment, it has been described that operability is improved by using an example of a situation in which a user confirms a plurality of signal levels in order to select a telephone service network to be used for outgoing calls. The present invention is not limited to this situation and can be applied as long as the mobile phone is turned on, including during a call.

  The telephone of the present invention is a telephone for selecting and communicating a desired service network from a plurality of telephone service networks, and receiving means for receiving a signal from each base station of the plurality of telephone service networks; And a display means for displaying on the display a mark indicating the determined signal level of each telephone service network.

  According to this configuration, since the levels of signals received from a plurality of telephone service networks are displayed at the same time, when the user tries to check the signal levels of both telephone service networks, the telephone service network is switched by a switch operation or the like. There is no need to switch.

  The display means may further display on the display a symbol for identifying which telephone service network the mark indicating the signal level belongs to.

  According to this configuration, it is possible to more clearly display which telephone service network the mark indicating both signal levels belongs to.

  In addition, the telephone further determines a telephone service network to which the telephone number of the call destination belongs, and determines the telephone service network according to the determined telephone service network and the level determined by the determination means. Selecting means for selecting a telephone service network to be used.

  According to this configuration, in addition to the above effects, the telephone service network is determined from the telephone number, and as long as the determined telephone service network is available, the telephone service network is selected and the call is made. There is no disadvantage of communication charges using a telephone service network different from the telephone service network to which the callee is subscribed, and the user does not need to select the telephone service network in consideration of the communication charges.

  The telephone further includes a telephone directory storage means for storing a telephone directory in which a telephone number and a telephone service network are associated with each other, a telephone directory stored in the telephone directory storage means at the time of calling, and the determination means. Selection means for selecting a telephone service network to be used for making a call with reference to the determined level may be provided.

  According to this configuration, in addition to the above effects, the telephone service network can be accurately selected even when there is no fixed rule for determining the telephone service network from the telephone number.

  This is useful as a technique when a user selects a plurality of service networks using a telephone.

It is a block diagram which shows the structure of the telephone in embodiment of this invention. This is a specific example of the display unit 18. It is a specific example of a telephone directory stored in the storage unit 21. It is a flowchart which shows a signal level display process. It is a flowchart which shows a telephone service network selection process.

Explanation of symbols

DESCRIPTION OF SYMBOLS 11 1st radio | wireless part 12 1st modem part 13 1st TDMA process part 15 Audio | voice process part 16 Speaker 17 Microphone 18 Display part 19 Key part 21 Memory | storage part 22 Control part 22 1st RSSI detection part 23 2nd RSSI detection part 24 Signal level determination part 24 25 Second modem unit 26 Second TDMA processing unit 31 Second radio unit 33 First antenna mark display area 34 First network identification symbol display area 35 Second antenna mark display area 36 Second network identification symbol display area

Claims (1)

A telephone that selects and communicates a desired service network from a plurality of service networks,
Receiving means for receiving a signal from each base station of the plurality of service networks;
Determining means for determining the level of each signal being received;
Display means for displaying on the display a mark representing the signal level of each determined service network, and a desired service network is selected from a plurality of service networks by a user's selection Phone.

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