JP2006345016A - Portable telephone having non-contact ic card function, and control method thereof - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a portable telephone having a non-contact IC card function preventing data communication in a state that is not intended by a user, and also to provide a method for controlling the portable telephone. <P>SOLUTION: There are a photosensor for identifying an ambient bright/dark state, and a touch sensor for identifying the presence or absence of contact with a human body in the portable telephone having the non-contact IC card function, so that the start/stop of the non-contact IC card function are controlled according to the ambient bright/dark state and the presence or absence of the contact. Data communication processing is thereby not performed when the portable telephone is housed in a dark ambient place, such as the inside of a bag, and is not in contact. Hence, a data communication is prevented in the state that is not intended by the user, such as erroneous charging and illegal access. When the portable telephone is in a bright ambient place, such as the outside of the bag, and is in contact with a human body, data communication processing is made, thus improving operability greatly. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to a mobile phone and a control method thereof, and more particularly to a mobile phone having a non-contact IC card function and a control method of a non-contact IC card function in the mobile phone.

  In recent years, mobile phones capable of electronic payment have become widespread. This cellular phone is equipped with a function for performing non-contact data communication with an external terminal such as a reader or reader / writer using electromagnetic induction or electromagnetic coupling (hereinafter referred to as a non-contact type IC card function). By sending user information stored in the IC to an external terminal provided at a store or a ticket gate, payment for goods, train fares, and various procedures can be performed.

  For example, Patent Literature 1 below includes a mobile communication unit having a function of a mobile communication terminal and an IC card communication unit having an IC card function, and the IC card communication unit is connected to an IC card reader / writer. Discloses a mobile phone configured to have a receiving unit and a transmitting unit for communicating by wireless communication.

JP 2003-244014 A (page 4-8, FIG. 1)

  The above mobile phone has been improved to increase the data communication distance of the non-contact IC card function for the purpose of improving the performance, but when the data communication distance becomes longer, the mobile phone is placed in a bag or pocket. Even if the user does not intend to use the non-contact IC card function as in the state, data communication is automatically performed, for example, there is a risk of receiving unauthorized access such as excessive currency payments. Sex occurs.

  As a method for solving such a problem, for example, a method of storing a mobile phone in a case where radio waves are blocked can be considered. However, this method requires a special case, and other functions such as calling and sending / receiving e-mail cannot be used unless the mobile phone is taken out of the case. There is a problem that it ends up.

  In addition, a method for enabling activation / deactivation of a non-contact IC card function by a user operation, such as activation of the function only when performing data communication using the non-contact IC card function, and deactivation of the function each time it is terminated. Is also possible. However, with this method, the operation becomes complicated and the user must remember the current setting. For example, forget that the non-contact IC card function is stopped and pass the ticket gate of the station. In such a case, there is a problem that troubles such as the gate of the ticket gate not being opened easily occur.

  The present invention has been made in view of the above problems, and its main purpose is to perform data communication in a state unintended by the user even if the user does not operate activation / deactivation of the non-contact IC card function. It is an object of the present invention to provide a mobile phone having a non-contact IC card function that can prevent the above-described problem and a method for controlling the non-contact IC card function in the mobile phone.

  In order to achieve the above object, the present invention provides a mobile phone having a non-contact IC card function for transmitting and receiving data to and from an external reader or reader / writer in a non-contact state using electromagnetic induction or electromagnetic coupling. Means for detecting the illuminance and comparing the detected illuminance with a predetermined reference value to determine a bright / dark state around the mobile phone; and the non-contact IC in a state where the mobile phone is bright Control means for operating the card function and performing control to stop the non-contact IC card function when the periphery of the mobile phone is dark.

  In addition, the present invention provides a mobile phone having a non-contact IC card function that transmits and receives data with an external reader or reader / writer in a non-contact state using electromagnetic induction or electromagnetic coupling. Means for detecting the presence or absence of contact between the mobile phone and the human body by detecting a change; and the non-contact IC card function is operated in a state where the human body is in contact with the mobile phone, and the human body is connected to the mobile phone. Control means for performing control to stop the non-contact IC card function when not in contact is provided.

  In the present invention, when there is an access from the reader or the reader / writer in a state where the periphery of the mobile phone is dark or a human body is not in contact with the mobile phone, the control means includes a speaker An alarm sound or voice is sounded or a message is displayed on the display means, thereby making it possible to perform control for notifying the user that the access has been made.

  In the present invention, the control means performs control to operate the non-contact IC card function when a predetermined key operation or a predetermined voice input is performed within a predetermined time after the notification. Alternatively, when a predetermined key operation or a predetermined voice input is not performed within a predetermined time after the notification, the control means performs control to lock the non-contact IC card function in a stopped state. be able to.

  The present invention also relates to a method for controlling a mobile phone having a non-contact IC card function for transmitting and receiving data to and from an external reader or reader / writer in a non-contact state using electromagnetic induction or electromagnetic coupling. A determination step of detecting illuminance, and determining a bright / dark state around the mobile phone by comparing the detected illuminance with a predetermined reference value; and the non-contact in a bright surrounding of the mobile phone And a control step of operating the IC card function and stopping the non-contact IC card function when the periphery of the mobile phone is dark.

  The present invention also relates to a method for controlling a mobile phone having a non-contact IC card function for transmitting / receiving data to / from an external reader or reader / writer in a non-contact state using electromagnetic induction or electromagnetic coupling. Alternatively, a determination step of determining whether or not the mobile phone and the human body are in contact by detecting a change in electrostatic capacitance, and the non-contact IC card function is operated in a state where the human body is in contact with the mobile phone, And a control step of stopping the non-contact IC card function when the human body is not in contact with the mobile phone.

  In the present invention, when there is an access from the reader or reader / writer in a state where the periphery of the mobile phone is dark or a human body is not in contact with the mobile phone, the control step includes a speaker. An alarm sound or voice is sounded or a message is displayed on the display means to notify the user that the access has been made.

  Further, in the present invention, when a predetermined key operation or a predetermined voice input is performed within a predetermined time after the notification, in the control step, the non-contact IC card function is operated, or If a predetermined key operation or a predetermined voice input is not performed within a predetermined time after the notification, the non-contact IC card function can be locked in a stopped state in the control step.

  As described above, in the present invention, a mobile phone having a non-contact IC card function is further provided with a means for determining the surrounding light / dark state and a means for determining the presence or absence of contact with the human body. Data communication using the non-contact IC card function is automatically stopped if the surroundings are stored in a dark place such as in a pocket or in a pocket, thus preventing data communication in a state not intended by the user. It becomes possible. On the other hand, since the data communication by the non-contact IC card function is automatically started only by taking out the mobile phone from the bag or pocket, the operability can be remarkably improved.

  According to the mobile phone having the non-contact IC card function and the control method for the non-contact IC card function of the present invention, data communication in a state not intended by the user can be prevented, and the operability of the mobile phone can be prevented. Can be significantly improved.

  The reason for this is that a mobile phone having a non-contact IC card function is further provided with an optical sensor unit for discriminating the surrounding light / dark state. When it is stored in a dark place such as a bag or pocket, the data communication by the non-contact IC card function is automatically stopped, and when the mobile phone is taken out from the bag or pocket, This is because control for automatically starting data communication by the non-contact IC card function is performed.

  In addition, a mobile phone having a non-contact IC card function is further provided with a touch sensor unit that determines whether or not there is contact with the human body, so that the mobile phone can be placed in a bag or pocket based on the presence or absence of contact with the human body. Control that automatically stops data communication by the non-contact IC card function when stored, and automatically activates data communication by the non-contact IC card function when the human body is in contact with the mobile phone It is because it performs.

  In the conventional data communication using the non-contact IC card function, the non-contact IC unit that receives access from the reader / writer device side automatically transmits and receives data, and performs currency payment and various procedures. This is the same even if the mobile phone is in a bag or pocket, as long as the non-contact IC unit and the reader / writer device can communicate with each other. Even if the user receives an unauthorized access or the like, even if the state is not intended by the user, currency payment, various procedures, and the like are performed.

  Therefore, in the present invention, a mobile phone having a non-contact IC card function is provided with an optical sensor unit for determining the surrounding light / dark state and a touch sensor unit for determining the presence or absence of contact with the human body. The activation / deactivation of the non-contact IC card function is controlled based on the surrounding bright / dark state and presence / absence of contact with the human body. As a result, if the mobile phone body is housed in a dark place such as a bag or pocket, or is not touching the mobile phone, data communication processing using a non-contact IC is not performed. It is possible to prevent data communication acts (such as erroneous charges and unauthorized access) in an unintended state. Also, if the mobile phone is taken out of a bag or pocket, the data communication process is performed without the user's operation if the surroundings are bright or touching the mobile phone. Can be significantly improved.

  In order to describe the above-described embodiment of the present invention in more detail, a mobile phone having a non-contact IC card function and a method for controlling the non-contact IC card function in the mobile phone according to the first embodiment of the present invention, This will be described with reference to FIGS. FIG. 1 is a block diagram showing a main configuration of a mobile phone having a non-contact IC card function according to the present embodiment, and FIG. 2 shows an operation of the mobile phone having a non-contact IC card function according to the present embodiment. It is a flowchart figure.

  As shown in FIG. 1, the mobile phone of the present embodiment includes a control unit 1, an optical sensor unit 2, a non-contact IC unit 3, a radio wave transmitting / receiving antenna unit 4, and the like. The control unit 1 performs various controls for operating the mobile phone. In addition, the optical sensor unit 2 detects ambient illuminance using a photoelectric conversion element that converts ambient light into an electrical signal, and compares the detected illuminance with a predetermined reference value to determine the ambient light / dark situation. It has a function to discriminate. The non-contact IC unit 3 has a function of transmitting / receiving data to / from an external reader device or reader / writer device (hereinafter referred to as a reader / writer device) via the radio wave transmitting / receiving antenna 4.

  FIG. 1 is a basic configuration example of a cellular phone having a non-contact IC card function according to the present embodiment, which is provided with a display unit, an operation unit, and a wireless communication unit (not shown) in addition to the above-described means. It is good also as a structure provided with the means to perform, the means to image | photograph a moving image, the means to reproduce | regenerate music, the means to receive TV broadcast, etc. The non-contact IC card function is generally a method for performing non-contact data communication using electromagnetic induction or electromagnetic coupling. However, the frequency band to be used, the data communication method, the non-contact IC unit 3 or The structure of the reader / writer device is not particularly limited.

  Next, the operation of the mobile phone having the non-contact IC card function of this embodiment will be described with reference to the flowchart of FIG.

  First, in step S1, an access from an external reader / writer device is received through the radio wave transmitting / receiving antenna 4 using the non-contact IC unit 3 incorporated in the mobile phone. Next, when this access is received, in step S2, the optical sensor unit 2 converts ambient light into an electrical signal to detect the illuminance around the mobile phone body, and compares the illuminance with a predetermined reference value. Based on the above, the “light” and “dark” states are discriminated. Note that the above reference value is a representative value as illuminance when the mobile phone is stored in a bag or pocket in a normal form, and its specific value is not particularly limited, and the usage situation (for example, daytime use) It can also be set appropriately according to whether it is used at night or the like.

  If the ambient brightness is “dark”, the mobile phone forcibly ends the data communication with the reader / writer device by the non-contact IC unit 3 under the control of the control unit 1 in step S3. Specifically, the connection state between the non-contact IC unit 3 and the radio wave transmitting / receiving antenna unit 4 is disconnected by a switch, the power supply to the non-contact IC unit 3 is disconnected, or the non-contact IC unit 3 For example, data communication with the reader / writer device is disabled by changing the value of the resonance frequency. On the other hand, if the surroundings are in the “bright” state, in step S4, the control unit 1 continues data communication with the non-contact IC unit 3 and executes data communication processing by the non-contact IC function.

  As described above, the cellular phone having the non-contact IC card function according to the present embodiment is provided with the optical sensor unit 2 for determining the ambient brightness. In the control unit 1, the illuminance detected by the optical sensor unit 2 is provided. Since the activation / deactivation of the non-contact IC card unit 3 is controlled based on the above, it is possible to prevent data communication acts (such as erroneous charging and unauthorized access) in a state unintended by the user, and in a bright place Since data communication can be executed only by taking out, operability can be greatly improved.

  Next, a mobile phone having a non-contact IC card function and a method for controlling the non-contact IC card function in the mobile phone according to a second embodiment of the present invention will be described with reference to FIG. FIG. 3 is a block diagram showing a main configuration of a mobile phone having a non-contact IC card function according to the present embodiment.

  In the first embodiment described above, the illuminance is detected using the optical sensor unit 2 to determine the ambient brightness, and the operation of the non-contact IC unit 3 is controlled based on the determination result. Even so, it may be preferable to operate the non-contact IC unit 3. Therefore, in this embodiment, a touch sensor unit 5 is provided in place of the optical sensor unit 2, and the touch sensor unit 5 detects the presence or absence of contact by a human body, and controls the operation of the non-contact IC unit 3 based on the detection result. In addition, the detection method of the presence or absence of the contact by the human body by the touch sensor part 5 is not limited, For example, it may be a pressure-sensitive type that detects a change in the pressing force due to the contact with the human body, or the capacitance of the contact with the human body It is good also as an electrostatic type which detects a change.

  The operation of the mobile phone having the non-contact IC card function of this embodiment will be described below.

  Similar to the first embodiment described above, when the radio wave transmitting / receiving antenna unit 4 built in the mobile phone receives an access from an external reader / writer device, the mobile phone uses the touch sensor unit 5 to check whether there is human contact. Detect about. When there is no contact by the human body, the cellular phone forcibly ends the data communication by the non-contact IC unit 3. On the other hand, when there is human contact, the mobile phone executes data communication processing by the non-contact IC unit 3.

  As described above, the mobile phone having the non-contact IC card function according to the present embodiment is provided with the touch sensor unit 5 that determines the presence or absence of human contact, and the user performs a data communication function using the non-contact IC function. Data communication is performed only when there is contact with the human body, and it is detected that the user holds the hand (contacts the human body). Erroneous charging and unauthorized access) can be prevented, and data communication can be executed simply by holding it, so that the operability can be greatly improved.

  In the above embodiment, the touch sensor unit 5 is provided in place of the photo sensor unit 2, but both the photo sensor unit 2 and the touch sensor unit 5 are provided, the surroundings are bright, and the user is touching. It is also possible to make the non-contact IC unit 3 function only in the case where the non-contact IC unit 3 functions or when the surroundings are bright or the user is touching.

  Next, a mobile phone having a non-contact IC card function and a control method for the non-contact IC card function in the mobile phone according to a third embodiment of the present invention will be described with reference to FIGS. FIG. 4 is a block diagram showing a main configuration of a mobile phone having a non-contact IC card function according to the present embodiment, and FIG. 5 shows an operation of the mobile phone having a non-contact IC card function according to the present embodiment. It is a flowchart figure.

  In the first and second embodiments described above, the operation of the non-contact IC unit 3 is controlled based on the detection result of the optical sensor unit 2 or the touch sensor unit 5, but there is an access from the reader / writer device. If the notification or the activation / deactivation of the contactless IC card function in that case can be controlled, unauthorized access can be reliably prevented. On the other hand, the speaker unit 6 can ring a ringtone or an alarm sound, the display unit 7 can display various information, and the key operation unit 8 can input various information. It is. Therefore, in this embodiment, unauthorized access is reliably prevented by controlling the speaker unit 6, the display unit 7, and the key operation unit 8 in association with the determination result of the optical sensor unit 2.

  Hereinafter, the operation of the mobile phone having the non-contact IC card function of this embodiment will be described with reference to the flowchart of FIG.

  First, in step 21, when the radio wave transmitting / receiving antenna unit 4 built in the mobile phone receives an access from an external reader / writer device, as in the first and second embodiments described above, in step S22, The optical sensor unit 2 converts ambient light into an electrical signal to detect the illuminance around the mobile phone body, and based on the comparison result between the illuminance and a predetermined reference value, the “light” and “dark” states To determine. If the surroundings are in the “bright” state, the control unit 1 continues data communication with the non-contact IC unit 3 in step S23 to execute data communication processing using the non-contact IC function.

  On the other hand, if the surroundings are in the “dark” state, in step 24, the mobile phone makes a non-contact IC to the user by sounding an alarm sound / voice or the like by the speaker unit 6 or displaying a message on the display unit 7. Notification that data communication using the card function is not possible. When the above notification is made, the mobile phone monitors the key operation by the user in step S25, and if the predetermined key operation is performed by the user within a predetermined time, the data communication processing by the non-contact IC unit 3 is continued. Is executed. On the other hand, when the key operation is not performed within a predetermined time, the cellular phone forcibly ends the data communication with the reader / writer device by the non-contact IC unit 3 in step S26.

  According to the present invention, when access to the non-contact IC unit 3 is performed without the user's intention, such as when the mobile phone is held in a bag, the alarm sound / sound or the like is displayed or a message is displayed. Recognize that there was unauthorized access. Further, unauthorized access can be reliably prevented by controlling the activation / deactivation of the non-contact IC card function based on a predetermined operation.

  In the present embodiment, the key operation is described as an example of means for resuming data communication by the non-contact IC unit 3, but password input, voice input, or the like may be used. In the present embodiment, the speaker unit 6, the display unit 7, and the key operation unit 8 are controlled based on the surrounding light / dark state, but the speaker unit 6, the display unit 7, It is good also as a structure which controls the key operation part 8. FIG. Further, when the key operation or password input by the user is not performed, the communication function by the non-contact IC unit 3 is forcibly terminated, and at the same time, the data communication function by the non-contact IC unit 3 can be locked. By performing such control, it is possible to reliably prevent data communication acts (such as erroneous charging and unauthorized access) in a state not intended by the user.

  Further, in each of the above embodiments, the presence or absence of the intention to use the non-contact IC card function is determined based on the brightness of the surroundings and the presence or absence of contact with the human body, but the present invention is not limited to the above embodiments. For example, it is possible to determine whether or not there is an intention to use based on arbitrary conditions such as time and place.

  The present invention is not limited to a mobile phone, and can be similarly applied to all mobile terminal devices such as notebook computers and PDAs (Personal Digital Assistance).

It is a block diagram which shows the basic composition of the mobile telephone provided with the non-contact IC card function which concerns on 1st Example of this invention. It is a flowchart figure which shows operation | movement of the mobile telephone using the non-contact IC card function based on 1st Example of this invention. It is a block diagram which shows the basic composition of the mobile telephone provided with the non-contact IC card function which concerns on 2nd Example of this invention. It is a block diagram which shows the basic composition of the mobile telephone provided with the non-contact IC card function which concerns on the 3rd Example of this invention. It is a flowchart figure which shows operation | movement of the mobile telephone using the non-contact IC card function based on the 3rd Example of this invention.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Control part 2 Optical sensor part 3 Non-contact IC part 4 Radio wave transmission / reception antenna part 5 Touch sensor part 6 Speaker part 7 Display part 8 Key operation part

Claims (10)

In a mobile phone having a non-contact IC card function for transmitting / receiving data to / from an external reader or reader / writer in a non-contact state using electromagnetic induction or electromagnetic coupling,
Means for detecting the ambient illuminance, and comparing the detected illuminance with a predetermined reference value to determine the light / dark state around the mobile phone;
Control means for controlling the non-contact IC card function to operate when the periphery of the mobile phone is bright and to stop the non-contact IC card function when the periphery of the mobile phone is dark. Mobile phone. In a mobile phone having a non-contact IC card function for transmitting / receiving data to / from an external reader or reader / writer in a non-contact state using electromagnetic induction or electromagnetic coupling,
Means for determining presence or absence of contact between the mobile phone and the human body by detecting a change in pressing force or capacitance;
Control means for controlling the non-contact IC card function to operate when the human body is in contact with the mobile phone and to stop the non-contact IC card function when the human body is not in contact with the mobile phone; A mobile phone comprising at least When there is an access from the reader or reader / writer in a state where the periphery of the mobile phone is dark or a human body is not in contact with the mobile phone,
The control means performs control for notifying the user that the access has been made by sounding an alarm sound or sound on a speaker or displaying a message on a display means. The mobile phone described in 1. When a predetermined key operation or a predetermined voice input is performed within a predetermined time after the notification,
4. The mobile phone according to claim 3, wherein the control means performs control for operating the non-contact IC card function. When a predetermined key operation or a predetermined voice input is not performed within a predetermined time after the notification,
The mobile telephone according to claim 3 or 4, wherein the control means performs control to lock the non-contact IC card function in a stopped state. A method for controlling a mobile phone having a non-contact IC card function for transmitting and receiving data to and from an external reader or reader / writer in a non-contact state using electromagnetic induction or electromagnetic coupling,
A determination step of detecting ambient illuminance, and determining a light / dark state around the mobile phone by comparing the detected illuminance with a predetermined reference value;
And a control step of operating the non-contact IC card function when the periphery of the mobile phone is bright and stopping the non-contact IC card function when the periphery of the mobile phone is dark. Phone control method. A method for controlling a mobile phone having a non-contact IC card function for transmitting and receiving data to and from an external reader or reader / writer in a non-contact state using electromagnetic induction or electromagnetic coupling,
A determination step of determining presence or absence of contact between the mobile phone and the human body by detecting a change in pressing force or capacitance;
A control step of operating the non-contact IC card function when the human body is in contact with the mobile phone, and stopping the non-contact IC card function when the human body is not in contact with the mobile phone. A control method for a mobile phone. When there is an access from the reader or reader / writer in a state where the periphery of the mobile phone is dark or a human body is not in contact with the mobile phone,
8. The control step according to claim 6 or 7, wherein the user is notified that the access has been made by sounding an alarm sound or voice on a speaker or displaying a message on a display means. Control method for mobile phone. When a predetermined key operation or a predetermined voice input is performed within a predetermined time after the notification,
9. The method of controlling a mobile phone according to claim 8, wherein in the control step, the non-contact IC card function is operated. When a predetermined key operation or a predetermined voice input is not performed within a predetermined time after the notification,
The method for controlling a mobile phone according to claim 8 or 9, wherein, in the control step, the non-contact IC card function is locked in a stopped state.

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