JP4948594B2 - Portable terminal device and portable terminal system - Google Patents

Portable terminal device and portable terminal system Download PDF

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Publication number
JP4948594B2
JP4948594B2 JP2009502400A JP2009502400A JP4948594B2 JP 4948594 B2 JP4948594 B2 JP 4948594B2 JP 2009502400 A JP2009502400 A JP 2009502400A JP 2009502400 A JP2009502400 A JP 2009502400A JP 4948594 B2 JP4948594 B2 JP 4948594B2
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Prior art keywords
device
terminal device
information
unit
portable terminal
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Expired - Fee Related
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JP2009502400A
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JPWO2008107984A1 (en
Inventor
吉保 佐藤
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パナソニック株式会社
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Priority to PCT/JP2007/054458 priority Critical patent/WO2008107984A1/en
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W8/00Network data management
    • H04W8/02Processing of mobility data, e.g. registration information at HLR [Home Location Register] or VLR [Visitor Location Register]; Transfer of mobility data, e.g. between HLR, VLR or external networks
    • H04W8/08Mobility data transfer
    • H04W8/14Mobility data transfer between corresponding nodes
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W12/00Security arrangements, e.g. access security or fraud detection; Authentication, e.g. verifying user identity or authorisation; Protecting privacy or anonymity ; Protecting confidentiality; Key management; Integrity; Mobile application security; Using identity modules; Secure pairing of devices; Context aware security; Lawful interception
    • H04W12/08Access security
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W52/00Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/02Power saving arrangements
    • H04W52/0209Power saving arrangements in terminal devices
    • H04W52/0212Power saving arrangements in terminal devices managed by the network, e.g. network or access point is master and terminal is slave
    • H04W52/0216Power saving arrangements in terminal devices managed by the network, e.g. network or access point is master and terminal is slave using a pre-established activity schedule, e.g. traffic indication frame
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B1/00Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/06Receivers
    • H04B1/16Circuits
    • H04B1/1607Supply circuits
    • H04B1/1615Switching on; Switching off, e.g. remotely
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W92/00Interfaces specially adapted for wireless communication networks
    • H04W92/04Interfaces between hierarchically different network devices
    • H04W92/08Interfaces between hierarchically different network devices between user and terminal device
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02DCLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THIR OWN ENERGY USE
    • Y02D70/00Techniques for reducing energy consumption in wireless communication networks
    • Y02D70/40According to the transmission technology

Abstract

Objects of the present invention are the acquisition of a novel and quite unconventional effect and the achievement of electric power saving. Mobile terminal devices (TA1, TA2) exchange proximity warning identification data (ID) in advance through mobile telephone networks (B1, B2). A terminal device transmits its own ID by short distant wireless communication. When an opponent device is closed to the terminal device at a predetermined distance, the terminal device detects the ID of the opponent device, plays arrival theme music or an arrival song, and notifies that the opponent device is approaching (arriving). That the transmission and reception of the ID are intermittently carried out can save electric power of a terminal device.

Description

  The present invention relates to a mobile terminal device (including a mobile phone terminal, a PDA terminal, and a portable computer terminal) having an approach notification function, and a mobile terminal system (a mobile terminal device and a slave unit paired with the mobile terminal device) A portable terminal system).

  Conventionally, as a technique for preventing unauthorized use or unauthorized use of a mobile phone due to misplacement or theft of a mobile phone, the mobile phone is shifted to a use-restricted state when the mobile phone owner leaves a predetermined distance from the mobile phone. In addition, a technique for notifying the owner of misplacement has been proposed (see Patent Document 1).

  In Patent Document 1, the owner always carries the identification signal transmission unit. On the other hand, a use restriction release unit is provided integrally with the mobile phone. The identification signal transmission unit constantly transmits an identification code signal by wireless communication, and the use restriction release unit releases the use restriction of the mobile phone if the identification code signal can be received. When the identification code signal cannot be received due to the two units being separated by a certain distance, the use restriction releasing unit stops releasing the use restriction, and thereby the mobile phone enters the use restricted state. In addition, the identification signal transmission unit issues a warning to alert the owner.

Japanese Patent Laid-Open No. 11-88499

  The conventional technology only exhibits a safety effect of preventing unauthorized use or unauthorized use of the mobile phone. Therefore, the prior art does not have an effect of increasing the enjoyment of the user or strengthening the connection between people. That is, the effect is limited to safety and cannot be used for other purposes.

  In the prior art, the identification signal transmission unit always transmits an identification code signal, and the use restriction release unit attached to the mobile phone always receives the identification code signal. The life of the is shortened.

  The present invention has been made based on such considerations, and an object thereof is to obtain an unprecedented novel effect and to achieve power saving.

A mobile terminal device according to the present invention includes a reception standby setting information storage unit that stores identification information of an approach notification target device, a short-range wireless communication unit that performs reception standby of the device identification information, and the short-range wireless communication And an approach notifying unit for notifying the approach of the device when an identification signal including the identification information of the device is received by the unit.
According to the said structure, the approach of the apparatus of approach notification object can be grasped | ascertained.

The mobile terminal device according to the present invention further includes a short-range wireless control unit that controls the short-range wireless communication unit and intermittently receives and receives the identification signal from the device, and stores the reception standby setting information storage The unit further stores communication synchronization information of the device, the communication synchronization information includes transmission timing information for specifying a transmission timing of the identification signal of the device, and the short-range wireless control unit The wireless communication unit is controlled to intermittently wait for reception of the identification signal while ensuring synchronization with the transmission timing of the identification signal from the device based on the transmission timing information.
According to the above configuration, since the standby of the identification signal is intermittently performed, power saving can be realized as compared with the case of always waiting.

The mobile terminal device according to the present invention further includes a communication unit that receives the communication synchronization information of the device using communication via a communication network.
According to the above configuration, since the standby of the identification signal is intermittently performed, power saving can be realized as compared with the case of always waiting.

In the mobile terminal device according to the present invention, the short-range wireless communication unit intermittently transmits identification information of the mobile terminal device, and the short-range wireless control unit transmits the communication synchronization information of the device by the communication unit. When the transmission timing of the identification signal of the device overlaps with the transmission timing of the identification signal of the mobile terminal device, the transmission timing of the identification signal of the mobile terminal device is set as the transmission timing of the identification signal of the device. It is characterized by changing so as not to overlap with the timing.
According to the above configuration, since the standby of the identification signal is intermittently performed, power saving can be realized as compared with the case of always waiting.

The portable terminal device according to the present invention further includes a time information acquisition unit that acquires time information from a communication base station, a server on a communication network, or an SPS (satellite positioning system) satellite, and the short-range wireless control The control unit controls the short-range wireless communication unit, refers to the time information acquired by the time information acquisition unit, and ensures the synchronization with the transmission timing of the identification signal from the device. It is characterized by intermittently waiting for reception of a signal.
According to the above configuration, by using the time signal obtained from the communication base station or the like, accurate synchronization can be achieved and further power saving can be achieved.

In the mobile terminal device according to the present invention, the communication synchronization information further includes transmission frequency information or transmission channel information of an identification signal of the device, and the short-range wireless control unit controls the short-range wireless communication unit. In the transmission timing indicated by the transmission timing information, the identification signal of the device is made to wait for reception by the frequency indicated by the transmission frequency information or the channel indicated by the transmission channel information.
According to the above configuration, since the identification signal can be received by matching the frequency or channel, the frequency or channel can be used effectively.

In the mobile terminal device according to the present invention, the short-range wireless communication unit intermittently transmits identification information of the mobile terminal device on a preselected frequency or channel, and the short-range wireless control unit is transmitted by the communication unit. When the communication synchronization information of the device is received and the transmission timing and frequency or channel of the identification signal of the device overlap with the transmission timing and frequency or channel of the identification signal of the portable terminal device, the portable terminal device The transmission timing or frequency or channel of the identification signal is changed so as not to overlap the transmission timing and frequency or channel of the identification signal of the device.
According to the above configuration, since the identification signal can be received by matching the frequency or channel, the frequency or channel can be used effectively.

The mobile terminal device according to the present invention further includes a communication unit that receives the identification information of the device using communication via a communication network.
According to the said structure, the identification information of the apparatus of approach notification object can be acquired from the outside.

The mobile terminal device according to the present invention is characterized in that the approach notification means performs notification in a different mode for each of the identification signals transmitted from the device.
According to the said structure, it can grasp | ascertain which apparatus is approaching.

The portable terminal device according to the present invention is characterized in that the approach notification means changes the notification mode in correspondence with the received signal strength of the identification signal transmitted from the device.
According to the above configuration, it is possible to grasp how close the target device for approach notification is.

The portable terminal device according to the present invention further includes a portable terminal control unit that controls the function of the portable terminal device, and the short-range wireless communication unit communicates with a slave unit paired with the portable terminal device. The mobile terminal control unit controls the function of the mobile terminal device by authentication based on communication with the slave unit.
According to the said structure, a function can be controlled according to the authentication result with a subunit | mobile_unit.

The mobile terminal device according to the present invention controls the mobile terminal control unit that controls the function of the mobile terminal device and the short-range wireless communication unit, and intermittently waits to receive the identification signal from the device, or It further includes a short-range wireless control unit that intermittently performs communication with the mobile device paired with the portable terminal device, the short-range wireless communication unit performs reception waiting for identification information of the device, Alternatively, the communication with the slave unit is performed, and the short-range wireless control unit controls the short-range wireless communication unit to perform communication with the slave unit when receiving the identification information of the device. It is made to stop.
According to the above configuration, when the reception of the identification signal competes with the communication with the slave unit, the reception of the identification signal can be prioritized.

The mobile terminal device according to the present invention is a mobile terminal device that controls the function based on the result of communication with the paired first slave unit, and that stores the identification information of the device to be approached A stand-by setting information storage unit, a stand-by wireless communication unit for receiving and receiving the identification information of the device and communicating with the first slave unit, and an identification signal including the identification information of the device by the short-range wireless communication unit Mobile device for controlling the function of the portable terminal device based on the result of communication by the short-range wireless communication unit with the first slave unit and the approach notification unit that reports the approach of the device And a terminal control unit.
According to the said structure, the approach of the apparatus of approach notification object can be grasped | ascertained.

The portable terminal device according to the present invention controls the short-range wireless communication unit to intermittently wait for reception of the identification signal from the device and intermittently perform communication with the first slave unit. A distance wireless control unit; and the reception standby setting information storage unit further stores communication synchronization information of the second child device paired with the device or the device, and the device or the second The communication synchronization information of the slave unit includes transmission timing information for specifying a transmission timing of an identification signal of the device or the second slave unit, and the short-range radio control unit includes the short-range radio communication unit. And controlling the reception of the identification signal intermittently while ensuring synchronization with the transmission timing of the identification signal from the device based on the transmission timing information.
According to the above configuration, since the standby of the identification signal is intermittently performed, power saving can be realized as compared with the case of always waiting.

The mobile terminal device according to the present invention further includes a communication unit that receives the communication synchronization information of the device or the second slave unit using communication via a communication network.
According to the above configuration, since the standby of the identification signal is intermittently performed, power saving can be realized as compared with the case of always waiting.

In the portable terminal device according to the present invention, when the short-range wireless control unit receives the communication synchronization information of the device or the second child device by the communication unit, the device or the second child device When the transmission timing of the identification signal overlaps with the transmission timing of the identification signal of the portable terminal device or the first slave unit, the transmission timing of the identification signal of the portable terminal device and the first slave unit is It changes so that it may not overlap with the transmission timing of the identification signal of an apparatus or a said 2nd subunit | mobile_unit.
According to the above configuration, since the standby of the identification signal is intermittently performed, power saving can be realized as compared with the case of always waiting.

The portable terminal device according to the present invention further includes a time information acquisition unit that acquires time information from a communication base station, a server on a communication network, or an SPS (satellite positioning system) satellite, and the short-range wireless control The control unit controls the short-range wireless communication unit, refers to the time information acquired by the time information acquisition unit, and ensures the synchronization with the transmission timing of the identification signal from the device. It is characterized by intermittently waiting for reception of a signal.
According to the above configuration, by using the time signal obtained from the communication base station or the like, accurate synchronization can be achieved and further power saving can be achieved.

In the mobile terminal device according to the present invention, the communication synchronization information further includes transmission frequency information or transmission channel information of an identification signal of the device or the second slave unit, and the short-range wireless control unit The wireless communication unit is controlled to wait for reception of the identification signal of the device by the frequency indicated by the transmission frequency information or the channel indicated by the transmission channel information at the transmission timing indicated by the transmission timing information. To do.
According to the above configuration, since the identification signal can be received by matching the frequency or channel, the frequency or channel can be used effectively.

In the mobile terminal device according to the present invention, the short-range wireless communication unit intermittently transmits identification information of the mobile terminal device on a preselected frequency or channel, and the short-range wireless control unit is transmitted by the communication unit. When the communication synchronization information of the device or the second child device is received, the transmission timing and frequency or channel of the identification signal of the device or the second child device are the portable terminal device or the first child device. When it overlaps with the transmission timing and frequency or channel of the identification signal of the slave unit, the transmission timing or frequency or channel of the identification signal of the portable terminal device and the first slave unit is set to that of the device or the second slave unit. The transmission timing of the identification signal is changed so as not to overlap with the frequency or channel.
According to the above configuration, since the identification signal can be received by matching the frequency or channel, the frequency or channel can be used effectively.

The mobile terminal device according to the present invention further includes a communication unit that receives the identification information of the device using communication via a communication network.
According to the said structure, the identification information of the apparatus of approach notification object can be acquired from the outside.

The mobile terminal device according to the present invention is characterized in that the approach notification means performs notification in a different mode for each of the identification signals transmitted from the device.
According to the said structure, it can grasp | ascertain which apparatus is approaching.

The portable terminal device according to the present invention is characterized in that the approach notification means changes the notification mode in correspondence with the received signal strength of the identification signal transmitted from the device.
According to the above configuration, it is possible to grasp how close the target device for approach notification is.

A portable terminal system according to the present invention includes a portable terminal device and a first slave unit paired with the portable terminal device, and results in communication between the portable terminal device and the first slave unit. A portable terminal system for controlling the function of the portable terminal device, wherein the portable terminal device stores a reception standby setting information storage unit that stores identification information of a device to be notified of access; and identification information of the device. When a reception signal and an identification signal including identification information of the device are received by the short-range wireless communication unit that performs reception standby and communication with the first slave unit, the approach of the device is notified. And a portable terminal control unit that controls a function of the portable terminal device based on a result of communication by the short-range wireless communication unit with the first slave unit.
According to the said structure, according to the authentication result with a 1st subunit | mobile_unit, the function of a portable terminal device can be controlled.

In the portable terminal system according to the present invention, the portable terminal device controls the short-range wireless communication unit to intermittently wait for reception of the identification signal from the device and communicate with the first slave unit. Further comprising a short-range wireless control unit that is intermittently performed, the reception standby setting information storage unit further stores communication synchronization information of the device or a second slave unit paired with the device, The communication synchronization information of the device or the second slave unit includes transmission timing information for specifying the transmission timing of the identification signal of the device or the second slave unit, and the short-range wireless control unit The wireless communication unit is controlled to intermittently wait for reception of the identification signal while ensuring synchronization with the transmission timing of the identification signal from the device based on the transmission timing information. To.
According to the above configuration, since the portable terminal device intermittently waits for the identification signal, power saving can be realized as compared with the case of always waiting.

The mobile terminal system according to the present invention further includes a communication unit in which the mobile terminal device receives the communication synchronization information of the device or the second slave unit using communication via a communication network. And
According to the above configuration, since the portable terminal device intermittently waits for the identification signal, power saving can be realized as compared with the case of always waiting.

In the mobile terminal system according to the present invention, when the mobile terminal device receives the communication synchronization information of the device or the second slave unit by the communication unit, the short-range wireless control unit When the transmission timing of the identification signal of the second slave unit overlaps with the transmission timing of the identification signal of the portable terminal device or the first slave unit, the identification signal of the portable terminal device and the first slave unit The transmission timing is changed so as not to overlap with the transmission timing of the identification signal of the device or the second slave unit.
According to the above configuration, since the portable terminal device intermittently waits for the identification signal, power saving can be realized as compared with the case of always waiting.

The mobile terminal system according to the present invention further includes a time information acquisition unit in which the mobile terminal device acquires time information from a communication base station, a server on a communication network, or an SPS (satellite positioning system) satellite. The short-range wireless control unit controls the short-range wireless communication unit, refers to the time information acquired by the time information acquisition unit, and synchronizes with the transmission timing of the identification signal from the device. The identification signal is intermittently received and awaited while ensuring the above.
According to the above configuration, by using the time signal obtained from the communication base station or the like, accurate synchronization can be achieved and further power saving can be achieved.

In the mobile terminal system according to the present invention, the communication synchronization information further includes transmission frequency information or transmission channel information of an identification signal of the device or the second slave unit, and the short-range wireless control unit The wireless communication unit is controlled to wait for reception of the identification signal of the device by the frequency indicated by the transmission frequency information or the channel indicated by the transmission channel information at the transmission timing indicated by the transmission timing information. To do.
According to the above configuration, since the identification signal can be received by matching the frequency or channel, the frequency or channel can be used effectively.

In the mobile terminal system according to the present invention, the short-range wireless communication unit intermittently transmits identification information of the mobile terminal device in a preselected frequency or channel, and the short-range wireless control unit is transmitted by the communication unit. When the communication synchronization information of the device or the second child device is received, the transmission timing and frequency or channel of the identification signal of the device or the second child device are the portable terminal device or the first child device. When it overlaps with the transmission timing and frequency or channel of the identification signal of the slave unit, the transmission timing or frequency or channel of the identification signal of the portable terminal device and the first slave unit is set to that of the device or the second slave unit. The transmission timing of the identification signal is changed so as not to overlap with the frequency or channel.
According to the above configuration, since the identification signal can be received by matching the frequency or channel, the frequency or channel can be used effectively.

The mobile terminal system according to the present invention is characterized in that the mobile terminal device further includes a communication unit that receives the identification information of the device using communication via a communication network.
According to the said structure, the identification information of the apparatus of approach notification object can be acquired from the outside.

The mobile terminal system according to the present invention is characterized in that the approach notification means executes notification of a different aspect for each of the identification signals transmitted from the device.
According to the said structure, it can grasp | ascertain which apparatus is approaching.

The mobile terminal system according to the present invention is characterized in that the approach notification means changes the notification mode in correspondence with the received signal strength of the identification signal transmitted from the device.
According to the above configuration, it is possible to grasp how close the target device for approach notification is.

  According to the present invention, when the identification information is received, the approach of the device to be notified can be grasped by notifying the approach of the device.

It is a figure for demonstrating the outline | summary of the approach alerting | reporting system by the portable terminal device which has an approach alerting | reporting function of this invention. It is a figure which shows the structural example of the whole approach alerting | reporting system. It is a block diagram which shows the structure of the portable terminal of FIG. It is a figure which shows an example of the operation | movement procedure of each part in the approach alerting | reporting system of FIG. It is a figure which shows an example of the specific content of the communication synchronous information about identification information (ID). It is a figure which shows an example of the intermittent transmission timing of identification information (ID). It is a figure which shows the other example of the specific content of the communication synchronous information about identification information (ID). It is a figure which shows the other example of the intermittent transmission timing of identification information (ID). It is a figure for demonstrating a mode that the identification information for approach detection is transmitted / received ensuring a synchronization with the transmission side and the receiving side. It is a flowchart which shows an example of the procedure in the case of transmitting / receiving identification information for proximity detection, ensuring communication synchronization. It is a figure for demonstrating the outline | summary of the approach alerting | reporting system concerning 2nd implementation mobile phone. It is a figure which shows the other example of the concrete whole structure of an approach alerting | reporting system. It is a block diagram which shows the example of an internal structure of the portable terminal device shown by FIG. It is a block diagram which shows an example of an internal structure of the subunit | mobile_unit (key) of FIG. It is a flowchart which shows the other example of the procedure in the case of transmitting / receiving the identification information for approach detection, ensuring communication synchronization. The mobile terminal devices transmit and receive identification information for proximity detection between the transmission side and the reception side while ensuring synchronization, and each mobile terminal device performs communication for authentication while ensuring synchronization with the slave unit (key). It is a figure for demonstrating a mode that it performs. It is a figure for demonstrating the outline | summary of the approach alerting | reporting system concerning 3rd Embodiment. It is a flowchart which shows the further another example of the procedure in the case of transmitting / receiving the identification information for approach detection, ensuring communication synchronization. In 3rd Embodiment, it is a flowchart which shows a process in case the authentication communication timing with the subunit | mobile_unit in each portable terminal device has overlapped. (A), (b) is a figure which shows the aspect of transmission / reception of the signal in the case of performing authentication communication between a portable terminal device and a subunit | mobile_unit in 3rd Embodiment. In the third embodiment, portable terminal devices transmit and receive identification information for approach detection while ensuring synchronization between the transmitting side and the receiving side, and each portable terminal device synchronizes with the slave unit (key). It is a figure for demonstrating a mode that authentication communication is performed, ensuring. In the third embodiment, a state where both authentication communication with a child device associated with the own device and authentication communication with a child device associated with another mobile terminal device is performed. It is a figure for demonstrating. In 3rd Embodiment, both the authentication communication between the subunit | mobile_unit with which the portable terminal device is linked | related with the own apparatus, and the authentication communication between the subunit | mobile_unit linked | related with another portable terminal device It is a figure for demonstrating and a mode that an approach detection and approach alerting | reporting between other portable terminal devices are performed. It is a figure for demonstrating the outline | summary of the approach alerting | reporting system concerning 4th Embodiment. It is a figure for demonstrating the communication aspect of a portable terminal device and a subunit | mobile_unit (key) in 4th Embodiment. It is a flowchart which shows the operation | movement procedure of each part in 4th Embodiment.

  Next, embodiments of the present invention will be described with reference to the drawings. In the drawings referred to in the following embodiments, common portions are denoted by the same reference numerals, and redundant descriptions are omitted.

(First embodiment)
(Outline of the approach notification system)
FIG. 1 is a diagram for explaining an overview of an approach notification system using a mobile terminal device having an approach notification function according to the present invention.

  As shown in the figure, the mobile terminal devices TA1 and TA2 are respectively connected in advance to each of the mobile terminal devices TA1 and TA2 through communication using a communication network (here, a mobile phone communication network via the base stations B1 and B2). IDs (identification information: here, ID1 and ID2) are exchanged. And ID1,1D2 (identification information) of the exchanged portable terminal device is held in each portable terminal device TA1 and TA2.

  And portable terminal device TA1 and TA2 each transmit ID1 and ID2 using near field communication (for example, infrared communication). If the distance between each mobile terminal device TA1, TA2 falls within a predetermined range, each mobile terminal device TA1, TA2 receives the ID (ID2, ID1) transmitted by the other mobile terminal device, and approaches it. The approach is detected and the approach is notified by, for example, a song or a theme song (the notification method may be visual such as video or tactile such as vibration).

  The communication via the communication network described above includes not only wide-area communication via the Internet or mobile phone network, but also includes an intranet, an in-house LAN, and the like. The LAN includes a wireless LAN. In the case of a wireless LAN, an access point is used instead of the base stations B1 and B2 in FIG.

  In addition, when ID1 and ID2 are constantly transmitted and received, power consumption increases and the batteries of the portable terminal devices TA1 and TA2 are consumed quickly. As a countermeasure, ID1 and ID2 are transmitted and received intermittently at a predetermined timing. Is effective. In this case, communication synchronization information of ID1 and ID2, for example, transmission timing information (transmission time and time slot information) is exchanged in advance via communication via the communication network, and the transmission timing information is stored. . The reception window is opened only at the transmission timing, and ID1 and ID2 are received only during the period when the reception window is open.

  The communication synchronization information exchanged in advance can include transmission frequency and transmission channel information in addition to the transmission timing information. Thereby, an empty frequency and an empty channel can be used flexibly and effectively.

(Overall configuration example of the approach notification system)
FIG. 2 is a diagram illustrating an example of the overall configuration of the approach notification system. As shown in the figure, the mobile terminal device TA1 transmits and receives radio signals to and from the base station B1, and uses the mobile phone network W1, for example, a mobile terminal device TA2 (mobile phone terminal, fixed phone terminal, other electronic devices). Can be a device). In the following description, it is assumed that both the mobile terminal devices TA1 and TA2 intermittently transmit the identification information ID (ID1, ID2) at a predetermined timing. In this case, synchronization of ID transmission / reception needs to be ensured. For example, synchronization of ID transmission / reception can be ensured using time information acquired from the satellite SR. The portable terminal device TA1 may acquire time information included in the signal from the base station B1.

  Further, the portable terminal device TA1 may be capable of specifying a position using radio waves from a GPS satellite (SPS satellite) SR. The GPS (Global Positioning System) satellite is a kind of SPS satellite (Satellite Positioning System) such as GPS and Galileo. As described above, the portable terminal device TA1 receives a signal from the GPS satellite (SPS satellite) SR and acquires time information included in the signal. Furthermore, the mobile terminal device TA1 can transmit and receive signals to and from other mobile phones such as the mobile terminal device TA2 using near field radio.

  And portable terminal device TA1 waits for signals (for example, ID), such as portable terminal device TA2, and notifies the approach of portable terminal device TA2 etc., when it can receive. As an example of notification, sound, music, etc. ring, blinking of LCD, LED, etc., image display, vibration of vibrator, etc. can be considered.

  The mobile terminal device TA2 has the same configuration as the mobile terminal device TA1. Further, the base station B1 transmits and receives radio signals to and from the mobile terminal device TA1, etc., so that the mobile terminal device TA1 etc. communicates with other mobile phones, fixed phones, etc. using the mobile phone network W1. can do. The base station B1 may include time information in the radio signal. The base station B2 has the same configuration as the base station B1.

  FIG. 3 is a block diagram showing a configuration of the mobile terminal of FIG. 3, the short-range wireless communication unit 10 includes a short-range wireless transmission / reception unit 11, an ID storage unit 14, a reception standby setting storage unit 15, a transmission setting storage unit 13, a short-range wireless control unit 12, and the like.

  The short-range wireless transmission / reception unit 11 transmits and receives signals using short-range wireless. The short-range radio is, for example, Bluetooth (registered trademark), wireless communication (for example, wireless LAN) compliant with IEEE 802.11 standards, UWB (Ultra Wide Band), wireless USB (Wireless Universal Serial Bus), for example. , Wireless UsB), ZigBee, and the like, wireless communication using specific power saving (for example, 426 MHz band), wireless communication using weak radio waves (for example, 304 MHz band), and the like. Further, as described above, this transmission / reception can be intermittent reception for power saving.

  The ID storage unit 14 stores the ID of the own device. The ID may be an ID unique to the mobile terminal or a specific group ID. In addition to the ID, an encryption key or the like used when transmitting and receiving signals by short-range wireless may be stored.

  The reception standby setting storage unit 15 stores the ID of the mobile terminal or the like of the other party that is the subject of the approach notification, information on reception standby timing, transmission frequency information, and transmission channel information. The ID may be a unique ID or a specific group ID.

  As described above, the reception standby setting storage unit 15 also stores information on the timing of reception standby. The reception standby timing information can be, for example, information indicating at what timing the key transmits a signal such as an ID with respect to the reference time. More specifically, it can be information indicating how many seconds or how many milliseconds from here the reference time is 00 seconds per minute, and how many seconds or how many milliseconds the signal such as ID is transmitted. . In addition, the reference does not necessarily have to be 00 seconds per minute of the reference time. In this case, it is possible to store when the reference is made. Further, the reception standby setting storage unit 15 determines whether to use time information from a server on the Internet, whether to use time information from a base station, as a reference time that is a reference for reception standby timing, or Information on whether or not to use time information from GPS satellites can be stored. Which time information is used can be determined in accordance with the situation at that time, but it is preferable to use the same time information as that of the mobile terminal of the other party waiting for reception. These pieces of information are transmitted as identification information and communication synchronization information (transmission timing information, etc.) from the mobile terminal or the like of the other party that is waiting for reception through the cellular radio transmission / reception unit 30, the short-range radio transmission / reception unit 20, and other communications. It can be obtained in advance.

  The transmission setting storage unit 13 stores the transmission setting of the own device. Since the own ID for transmission is also stored in the ID storage unit 14, it is not always necessary to include it in the transmission setting information.

  The short-range wireless control unit 12 controls transmission / reception of signals of the short-range wireless transmission / reception unit 11 using information such as the ID storage unit 14 and the reception standby setting storage unit 15. In addition, a request from the mobile phone control unit (mobile terminal control unit) 50 is received, or from the mobile terminal of the other party waiting for reception through the cellular radio transmission / reception unit 30, the short-range radio transmission / reception unit 11, and other communications. By obtaining the identification information and the transmission timing notification, the short-range wireless communication unit 10 is set in a reception standby state.

  The cellular transceiver 30 transmits and receives radio signals to and from the base station, and communicates with other mobile terminals and other devices using a mobile phone network.

  The GPS receiving unit 20 specifies a position using radio waves from a GPS satellite (SPS satellite). In addition, although it was set as the GPS receiving part, generally it is the same also as an SPS receiving part. The GPS receiver is not an essential configuration.

  The time information acquisition unit 40 acquires time information included in the signal from the base station received using the cellular transceiver unit 30. The time information acquisition unit 40 acquires time information included in a signal from a GPS satellite (SPS satellite) received using the GPS reception unit instead of or simultaneously with the time information included in the signal from the base station. You may do it. These pieces of time information are used as a reference time serving as a reference for reception standby timing. Furthermore, the time information acquisition unit can use time information from a server on the Internet instead. Time information from a server on the Internet can be acquired using NTP (Network Time Protocol).

  The notification unit 60 is, for example, an LCD, an LED, a speaker, a vibrator, or the like. When the short-range wireless communication unit waits for a signal (for example, ID) of another mobile phone or the like and can receive it, the short-range wireless communication unit reports the approach of the other mobile phone terminal or the like. As an example of notification, sound, music, etc. ring, blinking of LCD, LED, etc., image display, vibration of vibrator, etc. can be considered.

  Further, in the memory 100, for example, ID of each mobile phone or short-range wireless communication unit (or user or user group) of the other party to be awaited, various settings of the notification unit (for example, information on which notification means to notify) ), Music data, etc. (including sound data) are stored. In the figure, reference numerals 101 to 103 indicate stored data. In this way, if the ID, music data, etc. of each other mobile phone or short-range wireless communication unit that is waiting are stored, signals (for example, ID) of other mobile phones can be waited and received. In this case, the notification unit 60 can be sounded with sound, music, or the like corresponding to the ID.

  In addition, the mobile phone is provided with a microphone 70 for inputting voice and the like, an operation input unit (operation keys, operation buttons, etc.) 80, a battery 90, and the like.

  FIG. 4 is a diagram illustrating an example of an operation procedure of each unit in the approach notification system of FIG. As shown in the figure, the portable terminal device TA1 obtains GPS time information, time information from the base station, or NTP time information in advance when the access notification mode (or waiting mode) is set (procedure). ST1).

  The mobile terminal device TA1 notifies the mobile terminal device TA2 of the transmission timing based on the acquired time information (transmission timing notification 1; procedure ST2). In this procedure ST2, the identification information (ID1) of the portable terminal device TA1 is also notified at the same time.

  When receiving the transmission timing notification, the portable terminal device TA2 obtains GPS time information, time information from the base station, or NTP time information in advance (procedure ST3). At this time, it is preferable to use the same time information as the portable terminal device TA1 as much as possible. Note that the approach notification mode (or the waiting mode) may be automatically set if the ID is permitted in advance when the transmission timing notification is received. Alternatively, it may wait for an input as to whether or not to set the approach notification mode (or the waiting mode), and may enter the approach notification mode (or the waiting mode) only when there is an input for permission.

  The mobile terminal device TA2 notifies the mobile terminal device TA1 of the transmission timing based on the acquired time information (transmission timing notification 2: procedure ST4). At this time, identification information (ID2) of the portable terminal device TA2 is also transmitted at the same time. If the transmission timings of the portable terminal device TA1 and the portable terminal device TA2 overlap, the portable terminal device TA2 changes the transmission timing of the portable terminal device TA2 so that the transmission timing does not overlap. The changed transmission timing and the like are notified to the portable terminal device TA1 (the improved transmission timing notification 2, which will be described later).

  Thereafter, the portable terminal device TA1 and the portable terminal device TA2 periodically transmit the ID of the own terminal at the timing notified by the transmission timing notification, respectively, and at the timing notified by the transmission timing notification, respectively. Periodically waiting for reception (procedures ST5 to ST10, ST12 and ST13).

  When the mobile terminal device TA1 and the mobile terminal device TA2 each receive the ID of the counterpart terminal, they sound a notification sound (for example, music corresponding to the ID) (procedures ST11 and ST15). After t seconds, the notification sound is stopped (procedures ST14 and ST16).

  The above procedure is an example, and various modifications can be made. For example, the channel to be used and the frequency of the channel to be used may be communicated to the counterpart device as communication synchronization information regarding the identification information.

  Various notification modes are also conceivable. For example, the notification sound may be changed for each detected ID. This makes it possible to distinguish who has arrived by the notification sound. A notification sound (for example, arrival sound), a song for notification of arrival (for example, an arrival song), or the like may be downloaded from a server by communication. Further, as the user approaches (according to the received signal level), the sounding sound may be increased. As a result, the effect of enlivening the field can be obtained.

  Alternatively, the approach notification mode may be automatically canceled after a predetermined time from setting the approach notification mode. This is to prevent battery consumption. Further, the transmission timing notification may be transmitted and received a plurality of times. For example, the transmission timing notification may be transmitted and received again when the transmission timing is changed due to interference with other radio. Furthermore, the transmission timing notification may be transmitted and received again even when the reference time is changed. Furthermore, a transmission timing notification can be transmitted and received periodically.

(Specific contents of communication synchronization information regarding identification information (ID))
FIG. 5 is a diagram illustrating an example of specific contents of communication synchronization information regarding identification information (ID). When intermittent ID transmission is performed in order to save power, information for ensuring communication synchronization needs to be transmitted in advance to the counterpart device. The communication synchronization information shown in FIG. 5 has the following configuration.

  That is, the cellular radio communication, short-range radio communication, or other communication header 200 is used to transmit / receive a transmission timing notification using cellular radio communication, short-range radio communication, or other communication.

  The transmission source ID 202 stores the ID of the transmission source near field communication unit or mobile phone. This may be an ID unique to the short-range wireless communication unit or the mobile phone, or may be a specific group ID or the like.

  The destination ID 204 stores the ID of the short-range wireless communication unit or mobile phone of the destination. This may be an ID unique to the short-range wireless communication unit or the mobile phone, or may be a specific group ID or the like. Note that the destination ID may be unknown at the time of the first transmission timing notification. Therefore, in the case of a specific value, it is preferable to indicate that the destination ID is unknown. Further, even when the destination ID is unknown, the transmission timing notification can be received by the short-range wireless communication unit or the mobile phone indicated by the cellular wireless communication, the short-range wireless communication, or other communication header.

  The offset time 206 from the predetermined timing indicates the offset time at the timing of transmitting the ID from the predetermined timing (see FIG. 6). The predetermined timing can be, for example, 00 seconds per minute. The offset time from the predetermined timing can be expressed in milliseconds, for example.

  The transmission period 208 indicates a period for transmitting the ID (see FIG. 6). The transmission period can be expressed in units of milliseconds, for example.

  The GPS time information use flag is a flag indicating whether or not the time information from GPS is used as the reference time. For example, time information from GPS can be used when the value is 1, and not used when the value is 0.

  The time information from GPS (reference numeral 210) is almanac data that is notified once every 12.5 minutes. The arrival time from the satellite can also be corrected. The base station time information use flag (included in reference numeral 210) is a flag indicating whether or not the base station time information is used as the reference time. The arrival time can also be corrected.

  The NTP time information use flag 214 is a flag indicating whether or not to use time information from a server on the Internet acquired using NTP as a reference time. The arrival time can also be corrected.

  The priority channel 216 is information for notifying which channel is to be used preferentially when there are a plurality of channels.

  The music data URL 218 is URL information of the acquisition destination of the music data to be sounded when the transmission source ID is received. This is used to make a sound corresponding to the ID.

  The position information 220 indicates current position information. The position information 220 can be acquired from the GPS receiver. In addition, when the mobile phone that has received the transmission timing notification has a GPS receiver, the location information acquired by the GPS of the received mobile phone can be compared with the location information of the mobile phone indicated by the transmission source ID. When the distance is more than a predetermined distance, it is possible not to immediately wait for reception, but to wait for reception after the distance is short, so that useless reception time can be reduced, so that power consumption can be reduced. This is also effective when sending and receiving transmission timing notifications periodically.

  The transmission timing notification may be encrypted and transmitted / received. At that time, it is possible to set a flag indicating that encryption is performed. When there are four channels, the first to third channels can be used in the normal mode, and the fourth channel can be used as a search channel. Further, when the offset time from the predetermined timing is a predetermined value, it may indicate that it is unknown. Further, when the transmission cycle is also a predetermined value, it may be indicated that it is unknown. In this way, when the offset time from a predetermined timing, transmission cycle, etc. are unknown, when the other party's ID comes to the mobile phone indicated by the destination ID, etc., until a value that is not unknown is transmitted / received later Since it is not known, it may be necessary to keep the reception window open at all times. However, as described above, even if the offset time from the predetermined timing, the transmission cycle, etc. are left unclear, it is necessary to request the mobile terminal such as the destination ID to enter the approach notification mode (ID standby state) for the time being. The portable terminal such as the destination ID can receive the transmission timing notification earlier by receiving it earlier (such as transmission timing notification 2 in FIG. 4). Further, when the offset time from a predetermined timing, the transmission cycle, etc. are unknown, it is possible to prevent the access notification mode from being entered until a value that is not unknown is transmitted / received later. In FIG. 5, the communication synchronization information includes other optional data 222.

  FIG. 6 is a diagram illustrating an example of intermittent transmission timing of identification information (ID). In FIG. 6, a predetermined offset time (TF) is measured with reference to a predetermined timing, and after the offset time has elapsed, at a predetermined cycle T1, the identification information for proximity detection (at times t1 to t4) ID).

  FIG. 7 is a diagram illustrating another example of specific contents of communication synchronization information regarding identification information (ID). When intermittent ID transmission is performed in order to save power, information for ensuring communication synchronization needs to be transmitted in advance to the counterpart device. The communication synchronization information shown in FIG. 7 is mostly the same as that shown in FIG. 5, but differs in the following points.

  That is, in the case of FIG. 7, the transmission start time 224 and the transmission end time 226 are notified instead of the offset time from the predetermined timing. The transmission start time 224 indicates the time at which ID transmission starts (see FIG. 8). When the approach notification is used at the time of waiting, it is convenient to set it at or around the time of waiting. If transmission of ID is started from the transmission start time, useless ID transmission can be omitted, so that power consumption can be reduced. A transmission end time can also be set. The transmission end time indicates the time when ID transmission ends. When the approach notification is used at the time of waiting, it is convenient to set it at or around the time of waiting. Further, if the ID transmission is stopped at the transmission end time, unnecessary ID transmission can be omitted, so that power consumption can be reduced.

  Note that the transmission start time and the transmission end time may indicate that they are unknown when they are predetermined values. Further, when the transmission cycle is also a predetermined value, it may be indicated that it is unknown. In this way, when the transmission start time, transmission end time, transmission cycle, etc. are unknown, the other party's ID comes to the mobile phone or the like indicated by the destination ID until a value that is not unknown is transmitted / received later. Since it is not known, it may be necessary to keep the reception window open at all times. However, even if the transmission start time, the transmission end time, the transmission cycle, etc. are unknown, the mobile terminal such as the destination ID is requested to enter the approach notification mode (ID standby state) for the time being. The portable terminal such as the destination ID can receive the transmission timing notification earlier by receiving it earlier (such as the transmission timing notification 2 in FIG. 4). Further, when the transmission start time, the transmission end time, the transmission cycle, etc. are unknown, it is possible to prevent the approach notification mode from being entered until a non-unknown value is transmitted and received later.

  FIG. 8 is a diagram illustrating another example of intermittent transmission timing of identification information (ID). In FIG. 8, the transmission of identification information (ID) is started from the designated transmission start time t5. Thereafter, identification information (ID) for proximity detection is periodically transmitted from time t6 to t8 at a predetermined period T2.

  FIG. 9 is a diagram for explaining how identification information for proximity detection is transmitted and received while ensuring synchronization between the transmission side and the reception side. The portable terminal device TA1 transmits ID1 that is identification information of the own device. The portable terminal device TA2 transmits ID2 which is identification information of the own device. The reception timing of each ID is synchronized with the transmission timing of the ID based on the communication synchronization information exchanged in advance. In FIG. 8, t10, t12, t14, and t16 are ID1 communication timings, and t11, t13, t15, and t17 are ID2 communication timings. Only at the communication timing of each ID, the reception window of the mobile terminal on the receiving side is opened, and the transmitted ID is received. In addition, by selecting which time information (time information from a server on the Internet, a base station apparatus, or an SPS satellite) is used, it is possible to wait for reception with a margin according to the accuracy.

  FIG. 10 is a flowchart showing an example of a procedure for transmitting and receiving identification information for proximity detection while ensuring communication synchronization. When the mobile terminal device TA1 is set in the waiting mode (approach notification mode) (step S1), the mobile terminal device TA2 on the other side, which is the device targeted for access notification, is set in the waiting mode. , Communication synchronization information of own device (ID1 of own device, transmission timing information indicating at what timing the ID1 is transmitted, other channels (time slots) to be used for transmission, and what frequency is used) (Information such as whether to do) is transmitted (step S2).

  The portable terminal device TA2 receives the communication synchronization information from the portable terminal device TA1 (step S3), and shifts to the waiting mode (step S4). Then, the communication synchronization information of the own device (the ID2 of the own device, transmission timing information indicating at what timing the ID2 is transmitted, in addition, which channel (time slot) is used for transmission, which frequency Information on whether to use) is transmitted to the portable terminal device TA1 (step S5). The transmission timing information transmitted to the portable terminal device TA1 in step S5 indicates a timing such that ID1 and ID2 set based on the transmission timing information of ID1 received from the portable terminal device TA1 in step S3 do not collide.

  When the mobile terminal device TA1 receives the communication synchronization information from the mobile terminal device TA2 (step S6), the mobile terminal device TA1 periodically transmits ID1 (step S7). Subsequently, the reception window is opened only during the time when the other party's signal is expected to come (step S8). If the reception level of the received signal is equal to or higher than the predetermined level (step S9), it is determined whether the received signal matches the registered ID (here, ID2 of portable terminal device TA2) (step S10). If so, the received arrival sound for ID2 is sounded (step S10). The ringing of the arrival sound is stopped after t seconds (step S12), and the waiting mode is canceled (step S13).

  On the other hand, the same processing is performed in the portable terminal device TA2. That is, the portable terminal device TA2 transmits ID2 while preventing the transmission timings of ID1 and ID2 from overlapping (step S14). Subsequently, the reception window is opened only for the time when the other party's signal is expected to come (step S15). If the reception level of the received signal is equal to or higher than the predetermined level (step S16), it is determined whether the received signal matches the registered ID (here, ID1 of the portable terminal device TA1) (step S17). If so, the received arrival sound for ID2 is sounded (step S18). After t seconds, the ringing of the arrival sound is stopped (step S19), and the waiting mode is canceled (step S20).

When approaching, the sound or music may increase or the music may change when approaching. That is, the volume of sound or music may be changed according to the received signal strength.
Alternatively, the music may be changed according to the received signal strength. When a sound is produced for a certain period of time (since it is no longer necessary), the sound reproduction may be automatically stopped. The portable terminal includes a notebook personal computer terminal, a PDA terminal, a wireless LAN terminal, and the like. Further, the slave unit may be another portable terminal. Further, the base station may be a wireless LAN access point when the mobile terminal is a wireless LAN terminal.

  According to the first embodiment, approach notification can be performed by short-range wireless communication. Therefore, you can find out who is approaching and enjoy your life by devising how to use it. For example, a date can be greatly enjoyed at a gathering at a drinking party. In addition, there is also a security effect that even if there is a sign that someone has entered the house or the like, it can be determined that the person is not a family if there is no theme song for that person. Further, by intermittently transmitting / receiving IDs by short-range wireless communication for proximity detection at a predetermined timing (for example, at a predetermined cycle), it is possible to save power on both the transmission side and the reception side. If the communication synchronization information is exchanged in advance, communication synchronization between the transmission side and the reception side can be accurately ensured.

(Second Embodiment)
Even in this embodiment, an approach notification is performed in the same manner as in the previous embodiment. In the case of this embodiment, it is an essential condition that the mobile terminal device is paired (previously associated) with the slave device. To do.

  The mobile terminal device and the slave unit perform authentication communication at a predetermined timing. On the other hand, the mobile terminal device intermittently receives identification information from another mobile terminal device that is an approach notification target only at a predetermined timing.

  The problem under such limited conditions is that when the mobile terminal device is performing authentication communication with the slave unit, it may not be detected even if the notification of the approach notification mode is received. is there. In other words, the communication timing for authentication with the slave unit and the communication timing of identification information for proximity detection must not overlap. Therefore, when overlapping timing is detected, identification information for proximity detection is detected. It is necessary to shift the communication timing.

  In the present embodiment, a signal different from the authentication signal communicated with the slave unit is used as identification information (ID) for proximity detection. For example, as identification information (ID), telephone number information or mail address information of a portable terminal device is used. These are signals irrelevant to the signal used for authentication with the slave unit. Therefore, the transmission timing can be changed (shifted) without considering the timing of authentication communication with the slave unit.

  When the approach notification mode is set, the portable terminal devices TA1 and TA2 are in a locked state (usage restriction state), and after detecting the approach notice of the other party's portable terminal set for standby, the lock (usage restriction) is released. It may be. Here, the lock includes a partial use restriction. For example, reception is possible.

  Based on the above assumptions, the second embodiment will be described below. FIG. 11 is a diagram for explaining an overview of the approach notification system according to the second embodiment. The basic configuration of FIG. 11 is the same as that of FIG. 1, but as described above, each of the mobile terminal devices TA1 and TA2 is a slave unit (here, referred to as a safety key device: hereinafter may be referred to as a key) K1, K2. The mobile terminal devices TA1 and TA2 and the slave devices (keys) K1 and K2 each transmit / receive an authentication signal through communication and execute authentication processing with each other. This authentication process is intermittently performed at a predetermined timing. Further, as described above, as the proximity detection ID1 and ID2, signals different from the authentication signals communicated with the slave units (keys) K1 and K2 are used.

  FIG. 12 is a diagram illustrating another example of a specific overall configuration of the approach notification system. The basic configuration of FIG. 12 is the same as that of FIG. 2, but differs in that the mobile terminal devices TA1 and TA2 are paired with the slave devices (keys) K1 and K2, respectively.

  That is, the portable terminal device TA1 can transmit and receive signals to and from the key (slave device) K1 using short-range radio. The signal to be transmitted / received includes a signal for identifying the other party such as each ID. The mobile terminal device TA1 performs device authentication using an authentication signal transmitted to and received from the key (slave device) K1. As a result, when the authentication is not successful, use of the portable terminal device TA1 is restricted. The case where the authentication is not successful is, for example, a case where the distance between the mobile terminal device TA1 and the key 1 (slave device) is a predetermined distance or more.

  On the other hand, the key (slave device) K1 can transmit and receive signals to and from the mobile terminal device TA1 using short-range radio. The signal to be transmitted / received includes a signal for identifying the other party such as each ID. The key (slave device) K1 performs authentication using a signal transmitted to and received from the mobile terminal device TA1. As a result, if the authentication is not successful, for example, it is possible to issue an alarm or notify that the use of the mobile terminal device TA1 is restricted. The case where the authentication is not successful is, for example, a case where the distance between the mobile terminal device TA1 and the key 1 (slave device) is a predetermined distance or more. The same applies to the portable terminal device TA2 and the key (slave device) K2.

  FIG. 13 is a block diagram showing an example of the internal configuration of the mobile terminal device shown in FIG. The configuration shown in FIG. 13 is almost the same as the configuration of FIG. However, the configuration of FIG. 13 includes an authentication ID storage unit 16 instead of the ID storage unit 14 of FIG. 3, and differs in that authentication processing is performed by a handset (key) and near field communication. ing. As described above, the ID storage unit 14 in FIG. 3 stores its own ID (proximity detection ID), but the transmission setting storage unit 13 also stores its own ID. Therefore, there is no problem even if the ID storage unit 14 is not provided. Therefore, in the present embodiment, the ID storage unit 14 of FIG. 3 is removed, and instead, an authentication ID storage unit 16 that stores an authentication ID with the slave unit (key) K1 or the like is provided. is there.

  The authentication ID storage unit 16 stores, for example, an ID of the local wireless communication unit of the own device or the portable terminal itself (own device). This may be an ID unique to the short-range wireless communication unit or the mobile phone, or may be a specific group ID or the like. In addition to the ID, an encryption key or the like used when transmitting and receiving signals by short-range wireless may be stored.

  FIG. 14 is a block diagram showing an example of the internal configuration of the slave unit (key) in FIG. As shown in the figure, the handset (key) K1 (same for K2) has the same configuration as the portable terminal device TA1 (TA2). That is, it has a short-range wireless communication unit 110, a battery 116, a notification unit 117, an operation input unit 118, and a memory 119. The short-range wireless communication unit 110 includes a short-range wireless transmission / reception unit 111, a short-range wireless control unit 112, a transmission setting storage unit 113, an authentication ID storage unit 114, and a reception standby setting storage unit 115.

  Slave unit (key) K1 (same for K2) transmits an authentication ID (authentication signal) to mobile terminal device TA1 (TA2) by short-range wireless communication via antenna A4. The authentication ID from TA1 (TA2) is received and stored in the reception standby setting storage unit 115. Based on the reception standby setting, the short-range wireless control unit 112 controls the short-range wireless transmission / reception unit 111 and performs a reception operation only at the timing when the authentication ID from the portable terminal device TA1 (TA2) arrives (that is, reception). Open the window).

  FIG. 15 is a flowchart showing another example of the procedure for transmitting and receiving the identification information for approach detection while ensuring communication synchronization. When the mobile terminal device TA1 is set to the waiting mode (approach notification mode) (step S30), the mobile terminal device TA1 notifies the transmission / reception timing of the authentication ID between the own device and the key (slave device) (step S31). This is because the transmission timing of the proximity detection ID does not overlap with the authentication communication timing in the portable terminal device TA1 in the portable terminal device TA2 on the partner side by notifying the partner of the timing of the authentication communication with the child device of the own device. This is because it is possible to make adjustments.

  The mobile terminal device TA2 receives the transmitted information (step S32), sets the waiting mode (step S33), and similarly notifies the timing of authentication communication between the own device and the child device (key). (Step S34). The portable terminal device TA1 receives information (step S35), and transmits the transmission timing of its own proximity detection ID to the portable terminal device TA2 as communication synchronization information (step S36). At this time, the transmission timing of the proximity detection ID1 of the own device is the timing at which the own device performs authentication communication with the child device (key) K1, and the timing at which the portable terminal device TA2 performs authentication communication with the child device (key) K2. It is set not to overlap.

  The portable terminal device TA2 receives the information (step S37), and similarly transmits the transmission timing of its own proximity detection ID2 to the portable terminal device TA1 as communication synchronization information (step S38). At this time, the transmission timing of the proximity detection ID2 of the own device is the timing at which the own device performs authentication communication with the child device (key) K2, and the timing at which the portable terminal device TA1 performs authentication communication with the child device (key) K1. It is set not to overlap.

  The mobile terminal device TA1 receives the communication synchronization information from the mobile terminal device TA2 (step S39), and periodically transmits its own proximity / proximity ID1 at the timing notified to the mobile terminal device TA2 (step S39). S40). Subsequently, the reception window is opened only for the time when the other party's signal is expected to come (step S41). If the reception level of the received signal is equal to or higher than the predetermined level (step S42), it is determined whether the received signal matches the registered ID (here, ID2 of portable terminal device TA2) (step S43). If so, the received arrival sound for ID2 is sounded (step S44). After t seconds, ringing of the arrival sound is stopped (step S45), and the waiting mode is canceled (step S46).

  On the other hand, the same processing is performed in the portable terminal device TA2. That is, the portable terminal device TA2 periodically transmits its own proximity detection ID2 (step S47). Subsequently, the reception window is opened only during the time when the other party's signal is expected to come (step S48). If the reception level of the received signal is equal to or higher than the predetermined level (step S49), it is determined whether the received signal matches the registered ID (here, ID1 of the portable terminal device TA1) (step S50). If so, the received arrival sound for ID2 is sounded (step S51). After t seconds, the ringing of the arrival sound is stopped (step S52), and the waiting mode is canceled (step S53).

  FIG. 16 shows that mobile terminal devices transmit and receive identification information for approach detection while ensuring synchronization between the transmission side and the reception side, and each mobile terminal device ensures synchronization with the slave unit (key). It is a figure for demonstrating a mode that communication for authentication is performed.

  16, at time t20, the portable terminal device TA1 transmits its own authentication communication ID (which is the portable side ID1 in FIG. 16) to the child device (key) K1. On the other hand, slave unit (key) K2 transmits its own authentication communication ID (key side ID1) to mobile phone terminal TA1 at time t21. Moreover, portable terminal device TA1 transmits ID1 for proximity detection of an own machine to portable terminal device TA2 at time t22.

  The portable terminal device TA1 receives the proximity detection ID1 from the portable terminal device TA1 at time t22. Also, at time t23, the authentication communication ID of the own device (in FIG. 16, the portable side ID2) is transmitted to the child device (key) K2. On the other hand, the slave device (key) k2 transmits the authentication communication ID (key side ID2) of its own device to the mobile phone terminal TA2 at time t24. Moreover, portable terminal device TA2 transmits ID2 for proximity detection of an own machine to portable terminal device TA1 at time t25.

  Instead of waiting for receiving the ID of the other party's mobile phone, it is also possible to receive and wait for the ID of the other party's key. Further, in addition to waiting for receiving the ID of the other party's mobile phone, it is also possible to receive and wait for the ID of the other party's key. In that case, when one of the IDs is received, a sound (or music) can be generated.

(Third embodiment)
Also in this embodiment, it is an essential condition that the mobile terminal device is paired (previously associated) with the child device. The mobile terminal device and the slave unit perform authentication communication at a predetermined timing. On the other hand, the mobile terminal device intermittently receives identification information from another mobile terminal device that is an approach notification target only at a predetermined timing. This is the same as in the second embodiment.

  However, in this embodiment, the same signal as the authentication signal communicated between the slave units (keys) K1 and K2 is used as identification information (ID) for proximity detection. In other words, the authentication signal with the handset (key) is used as the proximity detection ID.

  Even in the case of this embodiment, it is necessary to adjust the transmission timing of the identification information (ID) for proximity detection so that it does not overlap with the communication timing for authentication with the own device or the slave device of the partner mobile terminal device. In the case of the present embodiment, the change in the transmission timing of the identification information (ID) for proximity detection is a change in the authentication communication timing with the slave unit (key). The portable terminal device needs to promptly notify the slave unit with which the mobile unit is associated that the transmission timing has been changed.

  Based on the above assumptions, a third embodiment will be described below. FIG. 17 is a diagram for explaining the outline of the approach notification system according to the third embodiment. The basic configuration of FIG. 17 is the same as that of FIG. That is, as described above, the mobile terminal devices TA1 and TA2 are respectively paired (associated) with the slave devices (keys) K1 and K2, and the mobile terminal devices TA1 and TA2 and the slave devices (keys) K1 and K2 are Each transmits / receives an authentication signal by communication, and mutually performs an authentication process. This authentication process is intermittently performed at a predetermined timing.

  Further, as described above, as the proximity detection ID1 and ID2, the same signal as the authentication signal communicated between the slave units (keys) K1 and K2 is used. As a result, the signals that fly between the portable terminal devices TA1 and TA2 are only signals for authentication with the slave unit, and there are no other signals, so the number of time slots that can be received without colliding increases, It becomes possible to increase the number of devices.

  FIG. 18 is a flowchart showing still another example of the procedure for transmitting and receiving identification information for proximity detection while ensuring communication synchronization. In FIG. 18, when the portable terminal device TA1 is set to the waiting mode (approach notification mode) (step S59), the portable terminal device TA1 is set to the waiting mode and between the own device and the key (slave device). The authentication ID transmission / reception timing is notified (step S60). This is because the transmission timing of the proximity detection ID does not overlap with the authentication communication timing in the portable terminal device TA1 in the portable terminal device TA2 on the partner side by notifying the partner of the timing of the authentication communication with the child device of the own device. This is because it is possible to make adjustments.

  The portable terminal device TA2 receives the transmitted information (step S61) and sets the waiting mode (step S62).

  Next, it is determined whether or not the authentication communication timing between the portable terminal device TA1 and the child device (key) K1 overlaps with the authentication communication timing between the portable terminal device TA2 and the child device (key) K2 ( Step S63). The fact that the respective authentication communication timings are overlapped means that in the case of this embodiment (that is, when the proximity detection ID is the same as the authentication ID with the slave unit), the transmission timing of the proximity detection ID is transmitted. This means that the authentication communication timing with the slave unit also overlaps. Therefore, in this case, the portable terminal device TA2 needs to shift the authentication communication timing with the child device (key) K2 and immediately notify the child device (key) K2 of the change.

  Therefore, in this case, the procedure shown in FIG. 19 is executed. FIG. 19 is a flowchart illustrating processing when authentication communication timings with the slave units in the respective mobile terminal devices overlap in the third embodiment.

  In FIG. 19, the portable terminal device TA2 shifts the authentication communication timing with the child device (key) K2, and promptly notifies the child device (key) K2 of the change of the authentication communication timing (step S80). The portable terminal device TA1 receives the information (step S81), notifies the portable terminal device TA2 that the timing change notification has been received (step S82), and proceeds to an authentication operation at the changed timing (step S85). . The portable terminal device TA2 receives information from the slave unit indicating that the transmission timing change notification has been received (step S83), and proceeds to an authentication operation at the changed timing (step S84). By such processing, even when the authentication communication timings with the slave units in each portable terminal device overlap each other, the duplication of the timing is eliminated, and as a result, the transmission timing of the proximity detection ID and the slave The duplication with the communication timing for authentication with the machine is eliminated.

  Here, returning to FIG. 18, the description will be continued. When it is determined in step S63 in FIG. 18 that the authentication communication timings with the slave units in the respective mobile terminal devices do not overlap, the mobile terminal device TA2 determines that the mobile terminal device TA2 is not connected between itself and the slave unit (key). The timing of authentication communication is notified (step S64). The portable terminal device TA1 receives the information (step S65), and periodically transmits the proximity / proximity ID1 of the own device at the timing notified to the portable terminal device TA2 (step S66).

  Subsequently, the reception window is opened only during the time when the other party's signal is expected to come (step S67). If the reception level of the received signal is equal to or higher than the predetermined level (step S68), it is determined whether the received signal matches the registered ID (here, ID2 of the portable terminal device TA2) (step S69). If so, the received arrival sound for ID2 is sounded (step S70). After t seconds, ringing of the arrival sound is stopped (step S71), and the waiting mode is canceled (step S72).

  On the other hand, the same processing is performed in the portable terminal device TA2. That is, the portable terminal device TA2 periodically transmits its own proximity detection ID2 (step S73). Subsequently, the reception window is opened only for the time when the other party's signal is expected to come (step S74). If the reception level of the received signal is equal to or higher than the predetermined level (step S75), it is determined whether the received signal matches the registered ID (here, ID1 of the portable terminal device TA1) (step S76). If so, the received arrival sound for ID2 is sounded (step S77). After t seconds, the ringing of the arrival sound is stopped (step S78), and the waiting mode is canceled (step S79).

  Next, authentication communication between the mobile terminal device and the slave unit in the present embodiment will be described. FIGS. 20A and 20B are diagrams illustrating signal transmission / reception modes when authentication communication is performed between the mobile terminal device and the slave unit in the third embodiment.

  In FIG. 20A, since the mobile terminal devices TA1 and TA2 are separated from each other, each mobile terminal device (TA1, TA2) performs authentication communication only with the associated child device (key) (K1, K2). I do.

However, in FIG. 20B, since the mobile terminal devices TA1 and TA2 approach each other, each of the mobile terminal devices (TA1, TA2) and the slave units (keys) (K1, K2) is used for authentication of the counterpart device. Signals can also be received. In other words, authentication signals fly around. Under such circumstances, it is possible to perform authentication communication with the slave unit in a mode different from the above-described embodiment. The following three modes can be considered as possible communication modes.
(1) The mobile terminal device performs authentication communication with a child device associated with the mobile device and proximity detection / approach notification with another mobile terminal device.
(2) The portable terminal device performs both authentication communication with a child device associated with the own device and authentication communication with a child device associated with another portable terminal device. By performing authentication communication from another child device, it is possible to surely know the actual timing at which another mobile terminal device is performing authentication communication with the child device.
(3) The mobile terminal device performs both authentication communication with a child device associated with the own device and authentication communication with a child device associated with another mobile terminal device, And the approach detection and approach notification between other portable terminal devices are performed.

  Hereinafter, each of the above (1) to (3) will be described with reference to FIGS. FIG. 21 shows that in the third embodiment, portable terminal devices transmit and receive identification information for approach detection while ensuring synchronization between the transmitting side and the receiving side, and each portable terminal device is a slave (key). And a communication for authentication while ensuring synchronization.

  In FIG. 21, the portable terminal device TA1 transmits an authentication ID (mobile-side ID1) toward the child device (key) K1 at time t26, and an ID for proximity detection (that is, the authentication ID1). Is transmitted to the portable terminal TA2. The transmitted authentication ID 1 is received at the same timing by the handset (key) K1 and the portable terminal device TA2.

  At time t27, the handset (key) K1 transmits an authentication ID (handset side ID1) to the mobile terminal device TA1. The authentication ID is received at the same timing by the portable terminal device TA1.

  At time t28, the portable terminal device TA2 transmits the authentication ID (mobile-side ID2) to the child device (key) K2, and also transmits the proximity detection ID (that is, the authentication ID2) to the portable terminal TA1. Send to. The transmitted authentication ID 2 is received at the same timing by the handset (key) K2 and the portable terminal device TA1.

  At time t29, the handset (key) K2 transmits the authentication ID (handset side ID2) to the mobile terminal device TA2. The authentication ID is received at the same timing by the portable terminal device TA2.

  FIG. 22 shows both authentication communication with a child device associated with the own device and authentication communication with a child device associated with another mobile terminal device in the third embodiment. It is a figure for demonstrating a mode that it performs.

  In FIG. 22, at time t30, the portable terminal device TA1 transmits the authentication ID 1 (mobile-side ID 1) to the child device (key) K1. The authentication ID 1 is received by the slave unit (key) K 1 at the same timing.

  At time t31, handset (key) K1 transmits authentication ID 1 (key-side ID 1). The key side ID1 is simultaneously received by the portable terminal device TA1 and the portable terminal device TA2.

  At time t32, the portable terminal device TA2 transmits the authentication ID 2 (mobile-side ID 2) to the child device (key) K2. The authentication ID 2 is received by the slave unit (key) K2 at the same timing.

  At time t33, handset (key) K2 transmits authentication ID 2 (key side ID 2). The key side ID2 is simultaneously received by the portable terminal device TA2 and the portable terminal device TA1.

  FIG. 23 is a diagram illustrating an authentication communication between a mobile terminal device associated with its own device and a mobile device associated with another mobile terminal device in the third embodiment. It is a figure for demonstrating a mode that both authentication communication is performed and an approach detection and approach alerting | reporting between other portable terminal devices are performed.

  The operation shown in FIG. 23 is a combination of the operations of FIGS. 21 and 22. In FIG. 23, the portable terminal device TA1 transmits an authentication ID (mobile-side ID1) toward the child device (key) K1 at time t34, and an approach detection ID (that is, the authentication ID1). Is transmitted to the portable terminal TA2. The transmitted authentication ID 1 is received at the same timing by the handset (key) K1 and the portable terminal device TA2.

  At time t35, the slave unit (key) K1 transmits the authentication ID (slave unit side ID1). The authentication ID is received at the same timing by the portable terminal device TA1 and the portable terminal device TA2.

  At time t36, the portable terminal device TA2 transmits the authentication ID (mobile-side ID2) to the child device (key) K2, and also transmits the proximity detection ID (that is, the authentication ID2) to the portable terminal TA1. Send to. The transmitted authentication ID 2 is received at the same timing by the handset (key) K2 and the portable terminal device TA1.

  At time t37, handset (key) K2 transmits an authentication ID (handset side ID2). The authentication ID is received at the same timing by the portable terminal device TA2 and the portable terminal device TA1.

(Fourth embodiment)
FIG. 24 is a diagram for explaining the outline of the approach notification system according to the fourth embodiment. A feature of the approach notification system shown in FIG. 24 is that priority is given to communication of identification information (ID) for detection of approach, and the approach notification of the mobile terminal device is performed (that is, the mode for performing the approach notification is selected). ) Is to temporarily stop the communication for authentication with the slave unit.

  That is, as described above, the authentication communication timing between the mobile terminal device and the slave unit and the identification information communication timing for proximity detection must not overlap. Therefore, in the present embodiment, when priority is given to communication of identification information (ID) for proximity detection and notification of the proximity of the mobile terminal device is performed (that is, when the mode of proximity notification is selected), Temporarily stop authentication communication with the machine. In this way, there is no concern that the communication timing of identification information for proximity detection overlaps with the timing of authentication communication with the slave unit of the other party's mobile terminal device (authentication communication is stopped). Therefore, such a situation cannot occur), and therefore a process for adjusting the timing of both is not required.

  FIG. 25 is a diagram for explaining a communication mode between the mobile terminal device and the slave unit (key) in the fourth embodiment. In FIG. 24, before time t47, a normal mode (a mode in which only authentication with the slave unit is performed without performing approach notification) is selected. Therefore, before time t47, only communication for authentication is performed between the mobile terminal devices TA1 and TA2 and the slave units (keys) K1 and K2.

  After time t48, an approach notification mode (a mode for performing approach notification) is selected. Thereby, after time t48, only the transmission / reception of approach detection IDs (ID1, ID2) is executed, and the authentication communication with the slave unit is not executed.

FIG. 26 is a flowchart illustrating the operation procedure of each unit in the fourth embodiment.
First, the handset (key) K1 is set to the authentication mode (step S90). The portable terminal device TA1 determines whether or not the own device is in the waiting mode (approach notification mode) (step S92), and returns to the authentication mode if it is not the waiting mode (approach notification mode) (step S91). On the other hand, when the waiting mode (approach notification mode) is set (step S91), the portable terminal device TA1 transmits a signal instructing the temporary stop of the operation of the handset (key) (step S93). When receiving this (Step S94), the slave unit (key) K1 returns a reception response (Step S95), and stops operation for (M + t−α) seconds (Step S96).

  On the other hand, the portable terminal device TA1 notifies the portable terminal device TA2 that the own device has been set to the waiting mode and communication synchronization information such as transmission timing (step S98). When receiving the information (step S99), the portable terminal device TA2 enters a waiting mode (approach notification mode) (step S100), and temporarily stops the operation of the child device (key) K2 as in the case of TA1. (Step S101. Upon receiving this (Step S102), the slave unit (key) K1 returns a reception response (Step S103) and stops operation for (M + t−α) seconds. (Step S104).

  On the other hand, the mobile terminal device TA2 notifies the mobile terminal device TA1 of communication synchronization information such as transmission timing (step S106). The transmission timing information transmitted to the portable terminal device TA1 in step S106 indicates a timing such that ID1 and ID2 set based on the transmission timing information of ID1 received from the portable terminal device TA1 in step S99 do not collide. And portable terminal device TA2 transmits ID2 for approach / proximity of an own machine periodically with the timing notified to portable terminal device TA1 previously (step S107). Subsequently, the reception window is opened only for the time when the other party's signal is expected to come (step S108). If the reception level of the received signal is equal to or higher than the predetermined level (step S109), it is determined whether the received signal matches the registered ID (here, ID1 of the portable terminal device TA1) (step S110). If so, the received arrival sound for ID1 is sounded (step S111). After t seconds, the ringing of the arrival sound is stopped (step S112), and the waiting mode is canceled (step S113).

  And it shifts to search mode (mode which authenticates with a subunit | mobile_unit) (step S114). Next, a search signal is transmitted to the child device K2 (step S115).

  Slave device K2 performs authentication processing, and when authentication is established (step S117), a response signal is transmitted to mobile phone terminal TA1 (step S118). On the other hand, if authentication is not established, the process returns to search mode S116 ( Step S116).

  When the portable terminal device TA2 receives the response signal from the child device K2 (step S119), it determines that the authentication is established (step S120), and shifts to the authentication mode (step S121).

  On the other hand, similar processing is performed in the portable terminal device TA1 (steps S122 to S137). In this manner, selective switching between the normal mode (search mode) and the standby mode (access notification mode) can be performed without difficulty.

(Fifth embodiment)
In the case of the ID of a person registered in advance, even if the transmission timing notification (transmission and reception of communication synchronization information) is not performed, necessary information is manually input (operation of the operation input unit), and the approach notification mode ( ID standby state). In that case, it is efficient to use settings stored in the memory. In this case, there is an effect that the processing load of the software is reduced.

As described above, according to each embodiment of the present invention, the following main effects can be obtained. However, the following effects are not always obtained at the same time.
(1) The device authentication technology by wireless communication can be applied to uses other than safety, thereby obtaining an unprecedented novel effect that increases the enjoyment of users and strengthens the connection between people. Can do. For example, when a meeting partner arrives at a meeting place, the partner's appearance theme music and the like are automatically played, so that the place is excited and enjoyment at gatherings such as dates and drinking parties is expanded. On the other hand, for example, even if there is a sign that someone has entered the house, if the theme song of that person does not sound, it can be determined that the person is not his / her family. Security) can also be expected.
(2) By intermittently communicating identification information for proximity detection at a predetermined timing, it is possible to save power in the mobile terminal devices on both the reception side and the transmission side. Further, by selecting a frequency or channel for performing communication of identification information, it is possible to flexibly utilize a free frequency or a free channel.
(3) When communication for authentication between the portable terminal device and the child device (safety key device or the like) is also executed, the communication timing of the identification information for proximity detection and the timing of communication for authentication between the child device By adjusting the timing so as to avoid duplication, both communication can be made compatible without any problem. In addition, when the signal used for authentication communication with the slave unit is used as identification information for approach detection as it is, when the transmission timing of the identification information is changed, the slave unit is also notified of the timing change. Thus, it is possible to ensure proper authentication communication with the slave unit.
(4) For example, when the mobile terminal device includes a slave unit as a safety key device, and performs authentication communication with the slave unit by short-range wireless communication, and the slave unit is separated from a predetermined distance, the operation of the mobile terminal device By controlling (restricting), unauthorized use or unauthorized use due to misplacement of the mobile terminal device is surely prevented. In addition, the mobile terminal device detects the approach of the device targeted for approach notification in advance using short-range wireless communication, for example, by notifying the approach of the other party by arrival song, arrival theme song, arrival sound, etc. Thus, an unprecedented and novel effect can be obtained such that it is possible to know that the other party has arrived at the meeting place and the like and to excite the place. These synergistic effects can be expected to promote the spread of device authentication technology using short-range wireless communication.
(5) Unprecedented novel effects can be obtained. In addition, power saving can be achieved.

  In addition, this invention is not limited to said embodiment, A various deformation | transformation is possible. For example, sound (or music) data can be downloaded by the mobile terminal device on the standby side using a mobile phone network or the like. Instead, after receiving the partner's proximity detection ID, communication between the portable terminal device TA1 and the portable terminal device TA2 is established, and sound (or music) data is transmitted from the partner portable terminal device. Alternatively, the portable terminal device on the standby side may receive the sound and play the sound (or music). In this way, since it is not known what sound is played or what music is output until the other party's ID is received, there is an effect that it is surprising and fun.

  The present invention has an effect that device authentication technology by proximity wireless communication can be applied to uses other than safety, and has an unprecedented novel effect, and can also achieve power saving. A mobile terminal device (including a mobile phone terminal, a PDA terminal, and a portable computer terminal) having an approach notification function, and a mobile terminal system (comprising a mobile terminal device and a slave unit paired with the mobile terminal device) This is useful for portable communication devices).

TA1, TA2 Mobile terminal device B1, B2 Base station device K1, K2 Slave unit (safety key device)
SR satellite W1 communication network 10 short-range wireless communication unit 11 short-range wireless transmission / reception unit 12 short-range wireless control unit 13 transmission setting unit 14 ID storage unit 15 reception standby setting storage unit 20 GPS reception unit 30 cellular radio unit 40 time information acquisition Unit 50 mobile phone control unit 60 notification unit 70 microphone 80 operation input unit 90 battery 101-103 various settings for approach notification

Claims (25)

  1. A reception standby setting information storage unit for storing identification information of an approach notification target device;
    A short-range wireless communication unit for receiving reception of identification information of the device;
    When an identification signal including identification information of the device is received by the short-range wireless communication unit, an approach notification unit for notifying the approach of the device;
    A short-range wireless control unit that controls the short-range wireless communication unit and intermittently receives and waits for the identification signal from the device;
    The reception standby setting information storage unit further stores communication synchronization information of the device,
    The communication synchronization information includes transmission timing information for specifying the transmission timing of the identification signal of the device,
    The short-range wireless control unit controls the short-range wireless communication unit to intermittently transmit the identification signal while ensuring synchronization with the transmission timing of the identification signal from the device based on the transmission timing information. To receive
    The portable terminal device characterized by the above-mentioned.
  2. The mobile terminal device according to claim 1,
    A portable terminal device further comprising a communication unit that receives the communication synchronization information of the device using communication via a communication network.
  3. The mobile terminal device according to claim 2,
    The short-range wireless communication unit intermittently transmits identification information of the mobile terminal device,
    When the short-range wireless control unit receives the communication synchronization information of the device by the communication unit, when the transmission timing of the identification signal of the device overlaps the transmission timing of the identification signal of the mobile terminal device, The portable terminal device, wherein the transmission timing of the identification signal of the portable terminal device is changed so as not to overlap with the transmission timing of the identification signal of the device.
  4. The mobile terminal device according to claim 1,
    From a communication base station, a server on a communication network, or an SPS (satellite positioning system) satellite, further includes a time information acquisition unit that acquires time information,
    The short-range wireless control unit controls the short-range wireless communication unit, refers to the time information acquired by the time information acquisition unit, and synchronizes with the transmission timing of the identification signal from the device. While waiting to receive the identification signal intermittently,
    The portable terminal device characterized by the above-mentioned.
  5. The mobile terminal device according to claim 1,
    The communication synchronization information further includes transmission frequency information or transmission channel information of an identification signal of the device,
    The short-range wireless control unit controls the short-range wireless communication unit, and at the transmission timing indicated by the transmission timing information, according to the frequency indicated by the transmission frequency information or the channel indicated by the transmission channel information. Waiting for the identification signal to be received,
    The portable terminal device characterized by the above-mentioned.
  6. The mobile terminal device according to claim 5,
    The short-range wireless communication unit intermittently transmits identification information of the mobile terminal device in a preselected frequency or channel,
    The short-range wireless control unit, when the communication synchronization information of the device is received by the communication unit, the transmission timing and frequency or channel of the identification signal of the device are the transmission timing of the identification signal of the portable terminal device and When overlapping with the frequency or channel, the portable terminal device changes the transmission timing or frequency or channel of the identification signal so as not to overlap the transmission timing and frequency or channel of the identification signal of the device. Terminal device.
  7. The mobile terminal device according to any one of claims 1 to 6,
    The approach notification means performs notification in a different mode for each of the identification signals transmitted from the device.
  8. The mobile terminal device according to any one of claims 1 to 6,
    The access notification means changes the notification mode in accordance with the received signal strength of the identification signal transmitted from the device.
  9. A reception standby setting information storage unit for storing identification information of an approach notification target device;
    A short-range wireless communication unit that performs reception reception of the identification information of the device, or communication with a child device paired with the own device,
    When an identification signal including identification information of the device is received by the short-range wireless communication unit, an approach notification unit for notifying the approach of the device;
    A portable terminal control unit for controlling the function of the own device;
    A short-range wireless control unit that controls the short-range wireless communication unit, intermittently waits for reception of the identification signal from the device, or intermittently performs communication with the slave unit,
    The short-range wireless control unit controls the short-range wireless communication unit to stop communication with the slave unit when performing reception waiting for the identification information of the device.
    The portable terminal device characterized by the above-mentioned.
  10. A mobile terminal device that controls functions based on a result of communication with a paired first slave unit,
    A reception standby setting information storage unit for storing identification information of an approach notification target device;
    A short-range wireless communication unit that performs reception reception of identification information of the device and communication with the first slave unit;
    When an identification signal including identification information of the device is received by the short-range wireless communication unit, an approach notification unit for notifying the approach of the device;
    A portable terminal control unit that controls the function of the portable terminal device based on a result of communication by the short-range wireless communication unit with the first slave unit;
    A short-range wireless control unit that controls the short-range wireless communication unit, intermittently waits for reception of the identification signal from the device, and intermittently performs communication with the first slave unit. ,
    The reception standby setting information storage unit further stores communication synchronization information of the second child device paired with the device or the device,
    The communication synchronization information of the device or the second slave unit includes transmission timing information for specifying a transmission timing of an identification signal of the device or the second slave unit,
    The short-range wireless control unit controls the short-range wireless communication unit to intermittently transmit the identification signal while ensuring synchronization with the transmission timing of the identification signal from the device based on the transmission timing information. To receive
    The portable terminal device characterized by the above-mentioned.
  11. The mobile terminal device according to claim 10,
    A mobile terminal device further comprising a communication unit that receives the communication synchronization information of the device or the second slave unit using communication via a communication network.
  12. It is a portable terminal device of Claim 11, Comprising:
    When the short-range wireless control unit receives the communication synchronization information of the device or the second slave unit by the communication unit, the transmission timing of the identification signal of the device or the second slave unit is When it overlaps with the transmission timing of the identification signal of the portable terminal device or the first slave unit, the transmission timing of the identification signal of the portable terminal device and the first slave unit is set to that of the device or the second slave unit. A portable terminal device, wherein the mobile terminal device is changed so as not to overlap with the transmission timing of the identification signal.
  13. The mobile terminal device according to claim 10,
    From a communication base station, a server on a communication network, or an SPS (satellite positioning system) satellite, further includes a time information acquisition unit that acquires time information,
    The short-range wireless control unit controls the short-range wireless communication unit, refers to the time information acquired by the time information acquisition unit, and synchronizes with the transmission timing of the identification signal from the device. While waiting to receive the identification signal intermittently,
    The portable terminal device characterized by the above-mentioned.
  14. The mobile terminal device according to claim 10,
    The communication synchronization information further includes transmission frequency information or transmission channel information of an identification signal of the device or the second slave unit,
    The short-range wireless control unit controls the short-range wireless communication unit, and at the transmission timing indicated by the transmission timing information, according to the frequency indicated by the transmission frequency information or the channel indicated by the transmission channel information. Waiting for the identification signal to be received,
    The portable terminal device characterized by the above-mentioned.
  15. 15. The mobile terminal device according to claim 14, wherein
    The short-range wireless communication unit intermittently transmits identification information of the mobile terminal device in a preselected frequency or channel,
    The short-range wireless control unit, when receiving the communication synchronization information of the device or the second slave unit by the communication unit, the transmission timing and frequency of the identification signal of the device or the second slave unit or When the channel overlaps with the transmission timing and frequency or channel of the identification signal of the portable terminal device or the first slave unit, the transmission timing, frequency or channel of the identification signal of the portable terminal device and the first slave unit Is changed so as not to overlap with the transmission timing and frequency or channel of the identification signal of the device or the second slave unit.
  16. The mobile terminal device according to any one of claims 10 to 15,
    The approach notification means performs notification in a different mode for each of the identification signals transmitted from the device.
  17. The mobile terminal device according to any one of claims 10 to 15,
    The access notification means changes the notification mode in accordance with the received signal strength of the identification signal transmitted from the device.
  18. A function of the mobile terminal device based on a result of communication between the mobile terminal device and the first handset, comprising: a mobile terminal device; and a first handset paired with the mobile terminal device. A mobile terminal system for controlling
    The portable terminal device is
    A reception standby setting information storage unit for storing identification information of an approach notification target device;
    A short-range wireless communication unit that performs reception reception of identification information of the device and communication with the first slave unit;
    When an identification signal including identification information of the device is received by the short-range wireless communication unit, an approach notification unit for notifying the approach of the device;
    A portable terminal control unit that controls the function of the portable terminal device based on a result of communication by the short-range wireless communication unit with the first slave unit;
    A short-range wireless control unit that controls the short-range wireless communication unit, intermittently waits for reception of the identification signal from the device, and intermittently performs communication with the first slave unit. ,
    The reception standby setting information storage unit further stores communication synchronization information of the second child device paired with the device or the device,
    The communication synchronization information of the device or the second slave unit includes transmission timing information for specifying the transmission timing of the identification signal of the device or the second slave unit,
    The short-range wireless control unit controls the short-range wireless communication unit to intermittently transmit the identification signal while ensuring synchronization with the transmission timing of the identification signal from the device based on the transmission timing information. To receive
    A portable terminal system characterized by that.
  19. The mobile terminal system according to claim 18, wherein
    The portable terminal device is
    A portable terminal system further comprising a communication unit that receives the communication synchronization information of the device or the second slave unit using communication via a communication network.
  20. The mobile terminal system according to claim 19, wherein
    The portable terminal device is
    When the short-range wireless control unit receives the communication synchronization information of the device or the second slave unit by the communication unit, the transmission timing of the identification signal of the device or the second slave unit is When it overlaps with the transmission timing of the identification signal of the portable terminal device or the first slave unit, the transmission timing of the identification signal of the portable terminal device and the first slave unit is set to that of the device or the second slave unit. Change so that it does not overlap with the transmission timing of the identification signal.
    A portable terminal system characterized by that.
  21. The mobile terminal system according to claim 18, wherein
    The portable terminal device is
    From a communication base station, a server on a communication network, or an SPS (satellite positioning system) satellite, further includes a time information acquisition unit that acquires time information,
    The short-range wireless control unit controls the short-range wireless communication unit, refers to the time information acquired by the time information acquisition unit, and synchronizes with the transmission timing of the identification signal from the device. While waiting to receive the identification signal intermittently,
    A portable terminal system characterized by that.
  22. The mobile terminal system according to claim 18, wherein
    The communication synchronization information further includes transmission frequency information or transmission channel information of an identification signal of the device or the second slave unit,
    The short-range wireless control unit controls the short-range wireless communication unit, and at the transmission timing indicated by the transmission timing information, according to the frequency indicated by the transmission frequency information or the channel indicated by the transmission channel information. Waiting for the identification signal to be received,
    A portable terminal system characterized by that.
  23. The mobile terminal system according to claim 22, wherein
    The short-range wireless communication unit intermittently transmits identification information of the mobile terminal device in a preselected frequency or channel,
    The short-range wireless control unit, when receiving the communication synchronization information of the device or the second slave unit by the communication unit, the transmission timing and frequency of the identification signal of the device or the second slave unit or When the channel overlaps with the transmission timing and frequency or channel of the identification signal of the portable terminal device or the first slave unit, the transmission timing, frequency or channel of the identification signal of the portable terminal device and the first slave unit Is changed so as not to overlap with the transmission timing and frequency or channel of the identification signal of the device or the second slave unit,
    A portable terminal system characterized by that.
  24. The mobile terminal system according to any one of claims 18 to 23, wherein
    The approach notification means performs notification of a different aspect for each of the identification signals transmitted from the device.
    A portable terminal system characterized by that.
  25. The mobile terminal system according to any one of claims 18 to 23, wherein
    The approach notification means changes the notification mode in correspondence with the received signal strength of the identification signal transmitted from the device.
    A portable terminal system characterized by that.
JP2009502400A 2007-03-07 2007-03-07 Portable terminal device and portable terminal system Expired - Fee Related JP4948594B2 (en)

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