WO2002078294A1 - Dispositif de traitement de l'information, procede de commande de communication, programme de communication et support d'enregistrement lisible sur lequel ledit programme a ete enregistre - Google Patents

Dispositif de traitement de l'information, procede de commande de communication, programme de communication et support d'enregistrement lisible sur lequel ledit programme a ete enregistre Download PDF

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Publication number
WO2002078294A1
WO2002078294A1 PCT/JP2001/002400 JP0102400W WO02078294A1 WO 2002078294 A1 WO2002078294 A1 WO 2002078294A1 JP 0102400 W JP0102400 W JP 0102400W WO 02078294 A1 WO02078294 A1 WO 02078294A1
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WO
WIPO (PCT)
Prior art keywords
communication
communication control
order
information processing
trial
Prior art date
Application number
PCT/JP2001/002400
Other languages
English (en)
Japanese (ja)
Inventor
Satoshi Kazama
Shinichi Shiotsu
Akira Shiba
Original Assignee
Fujitsu Limited
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Fujitsu Limited filed Critical Fujitsu Limited
Priority to JP2002576394A priority Critical patent/JPWO2002078294A1/ja
Priority to PCT/JP2001/002400 priority patent/WO2002078294A1/fr
Publication of WO2002078294A1 publication Critical patent/WO2002078294A1/fr

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W48/00—Access restriction; Network selection; Access point selection
    • H04W48/16—Discovering, processing access restriction or access information
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices

Definitions

  • the present invention relates to a technology applied to a portable information processing device such as a notebook personal computer and a PDA (Personal Digital Assistant), and more particularly, to an information processing device capable of performing communication easily and quickly at a destination.
  • the present invention relates to a communication control method, a communication control program, and a computer-readable recording medium on which the program is recorded.
  • information terminals such as portable PCs (Personal Computers) and PDAs (Personal Digital Assistants)
  • portable PCs Personal Computers
  • PDAs Personal Digital Assistants
  • a mobile phone, a PHS (Personal Handyphone System) terminal, a public telephone, or the like is connected to the modem adapter provided in the information terminal, and the provider accesses the information terminal via these terminals. Connect to a point and connect to the Internet.
  • a PHS Personal Handyphone System
  • Japanese Patent Application Laid-Open No. H10-89980 / Japanese Patent Application Laid-Open No. H10-1647272 discloses a method of connecting to a provider, in which information about a plurality of access points is provided in advance. There is disclosed a technology that includes a location information acquisition unit that acquires location information of an information terminal, selects an access point that minimizes connection cost from a plurality of access points, and connects the access point.
  • an information terminal when connected to the Internet in the office, it is connected to the company LAN (intranet) by connecting it to the local LAN installed in the office using a LAN adapter. Connect to the Internet via
  • a wireless LAN adapter for wirelessly connecting to a configuration LAN has also been used.
  • Japanese Patent Application Laid-Open No. H10-41097 includes an inside / outside office determining means for determining whether a portable information terminal is used outside an office or outside an office. There has been disclosed a technology for selecting one of a base station and a public network to perform wireless communication.
  • portable information terminals are sometimes used in various places because of their portability. For example, when using an information terminal at home, it is more economical to use a modem to connect to a public line with low communication cost than to use a public PHS line. — The technology described in Japanese Patent Publication No. 41970 does not consider such use.
  • the present invention has been made in view of such a problem, and when a mobile information processing apparatus is used in various places by a user, switching of communication devices and changing of settings are not performed.
  • an information processing apparatus, a communication control method, a communication control program, and a computer-readable recording medium storing the program according to the present invention sequentially establish communication connections by two or more types of wireless communication units. It is characterized in that a trial is performed, and as a result of this trial, control is performed so that communication is performed using the wireless communication unit that was able to establish a communication connection first.
  • the information processing apparatus when the information processing apparatus is connected to the Internet and used, the user does not need to perform complicated work such as switching of the wireless communication unit or the like or change of settings according to the use position, which is convenient.
  • the time until the communication connection is established can be reduced, and the communication can be established. This can reduce the user's waiting time before being performed.
  • the user can use the Internet at a higher communication speed, which is highly convenient.
  • the communication cost can be reduced by performing communication connection trials by two or more types of wireless communication units in order of decreasing communication cost.
  • the current position information of the information processing device is acquired, and the order of trial of the communication connection by the two or more types of wireless communication units is determined according to the acquired current position information.
  • the communication connection can be tried in the optimal order in the above, and the time until the communication is established can be reduced.
  • FIG. 1 is a block diagram showing a functional configuration of an information processing apparatus as one embodiment of the present invention.
  • FIG. 2 is a block diagram for explaining a state in which the information processing apparatus as one embodiment of the present invention is connected to the Internet.
  • FIG. 3 is a flowchart illustrating a method for specifying a current position in the information processing apparatus as one embodiment of the present invention.
  • FIG. 4 is a diagram showing an example of a location specified by the method shown in FIG.
  • FIG. 5 is a flowchart for explaining a connection trial operation in the information processing apparatus as one embodiment of the present invention.
  • FIG. 1 is a block diagram illustrating a functional configuration of an information processing apparatus 1 according to an embodiment of the present invention
  • FIG. 2 is a block diagram illustrating a state in which the information processing apparatus 1 is connected to the Internet.
  • the information processing apparatus 1 is a portable information processing apparatus such as a notebook computer PDA (Personal Digital Assistant). As shown in FIG. 1, a trial order determination unit 2, a communication control unit 3, a PDC adapter (wireless Communication part) a, Wireless LAN adapter (Wireless communication part) 4 b, Wireless modem adapter (Wireless communication part) 4 c, First position acquisition part (Position acquisition part) 5 a, Second position acquisition part 5 b, Third It has a position acquisition unit (position acquisition unit) 5c and a fourth position acquisition unit (position acquisition unit) 5d.
  • a trial order determination unit 2 As shown in FIG. 1, a trial order determination unit 2, a communication control unit 3, a PDC adapter (wireless Communication part) a, Wireless LAN adapter (Wireless communication part) 4 b, Wireless modem adapter (Wireless communication part) 4 c, First position acquisition part (Position acquisition part) 5 a, Second position acquisition part 5 b, Third It has a position acquisition unit
  • the CPU (Central Processing Unit; not shown) of the information processing device 1 is a computer-readable recording medium (eg, memory, magnetic storage device, floppy disk, memory card, magneto-optical storage device, CD-ROM, CD- R, CD-R By executing a program (communication control program) stored in W, DVD, DVD-R, DVD-RW, etc. (not shown), these trial order determination unit 2, communication control unit 3, first position acquisition It functions as a unit 5a, a second position acquisition unit 5b, a third position acquisition unit 5c, and a fourth position acquisition unit 5d.
  • a computer-readable recording medium eg, memory, magnetic storage device, floppy disk, memory card, magneto-optical storage device, CD-ROM, CD- R, CD-R
  • the PDC adapter 4a, the wireless LAN adapter 4b, and the wireless modem adapter 4c are for connecting the information processing device 1 to the Internet, respectively, and connect the information processing device 1 to the Internet using different methods. The connection is made.
  • the information processing apparatus 1 includes two or more (three in the present embodiment) wireless communication units (? 0 adapter 4 &, wireless LAN adapter 4b, wireless modem adapter 4c). As shown in FIG. 2, the information processing device 1 connects to the Internet by selecting and using one of the PDC adapter 4a, the wireless LAN adapter 4b, and the wireless modem adapter 4c. You can do it.
  • the PDC adapter 4a is for connecting the information processing apparatus 1 to the Internet using a PDC (Personal Digital Cellular) 6 so as to be able to communicate with the Internet, and is composed of, for example, a modem card.
  • a PDC Personal Digital Cellular
  • the information processing device 1 is connected to an access point provided by an ISP (Internet Solution Provider) 9a by the PDC 6, and the ISP 9a Connect to the Internet via.
  • ISP Internet Solution Provider
  • the PDC adapter 4a is used when the information processing device 1 is connected to the Internet outside the office or home. Generally, communication using the PDC adapter 4a has a higher communication cost than communication performed using a wireless LAN adapter 4b or a wireless modem adapter 4c, which will be described later.
  • the wireless LAN adapter 4 b is connected to the LAN 9 b on the premises
  • the wireless LAN adapter 4b is used to connect the information processing apparatus 1 to the wireless LAN 7 so that the information processing apparatus 1 can communicate with the private LAN 9b. Connected to the Internet through. That is, when the information processing device 1 is connected to the Internet in an office, the wireless LAN Use Dapter 4b.
  • the communication cost is lower than the communication power S using the wireless LAN adapter 4b, the communication cost using the PDC adapter 4a or the communication using the wireless modem adapter 4c described later, and the communication speed is faster.
  • the wireless modem adapter 4 c is for communicatively connecting to the wireless modem 8.
  • an access provided by an ISP 9c by a wireless modem 8 connected to a telephone line at home can be provided. Connect to the point and connect to the Internet through this ISP 9c.
  • the first position acquisition unit (position acquisition unit) 5a, the second position acquisition unit 5b, the third position acquisition unit (position acquisition unit) 5c, and the fourth position acquisition unit (position acquisition unit) 5d are respectively This is for acquiring the current position of the information processing device 1.
  • the first position acquisition unit 5a acquires the current position information using a GPS (Global Positioning System), receives signals transmitted from a plurality of artificial satellites that transmit time information, and receives signals from each satellite.
  • the current position is specified by measuring the arrival delay time of the signal transmitted from the GPS.
  • the current position is determined based on the receiving antenna (not shown) that receives the signal from the GPS and the information obtained by this receiving antenna. It is provided with a calculation tut (not shown) for calculating the position.
  • the second position acquisition unit 5b acquires the current position of the information processing device 1 from the base station of the PDC 6 described above. Specifically, at the start of communication, the information processing device 1 connects the PDC adapter 4a to the information processing device 1. Connect to the nearest base station using PDC 6 via the PC and obtain information on the installation position of this base station. That is, the second position acquisition unit 5b acquires the position of the nearest base station as the current position of the information processing device 1.
  • the method of acquiring the current position by the second position acquisition unit 5b is not limited to using the installation position of the nearest base station as the current position as described above.
  • the installation locations of the base stations are acquired, and based on the installation locations of these three base stations, the PDC 6 May be calculated, that is, the current position of the information processing apparatus 1.
  • the third position acquisition unit 5c includes, for example, a digital camera (image acquisition unit; not shown). It is structured. With this digital camera, an image around the main position where the information processing apparatus 1 is used (for example, on a desk or wall in an office or home) is captured in advance, and the image and the position related to the captured image are taken. Information is stored in a storage unit (not shown) in association with each other.
  • a digital camera image acquisition unit; not shown.
  • an image around the installation location of the information processing device 1 is photographed by a digital camera, and the image is compared with an image stored in the storage unit in advance to obtain an image that matches or almost matches. Get the associated position as the current position.
  • the digital camera used as the third position acquisition unit 5c is preferably provided at a predetermined position in the information processing device 1, for example, and is stored in the information processing device 1. Is also good.
  • the fourth position acquisition unit 5d acquires the current position information according to the schedule information of the user who uses the information processing device 1. For example, the fourth position acquisition unit 5d sets the time in the scheduler installed in the information processing device 1. The user's schedule at is obtained, and the current location information is obtained from the contents of the schedule. For example, during normal working hours, the current location is obtained in the office, and if a business trip is entered, the destination is obtained as the current location. If it is a holiday, home is acquired as the current location.
  • the trial order determination unit 2 is configured to perform the following operations based on the current position information acquired by the first position acquisition unit 5a, the second position acquisition unit 5b, the third position acquisition unit 5c, or the fourth position acquisition unit 5d. It determines the order in which the PDC adapter 4a, the wireless LAN adapter 4b, and the wireless modem adapter 4c attempt communication connection.
  • the trial order determination unit 2 attempts communication connection in the order of the wireless modem adapter 4c, the wireless LAN adapter 4b, and the PDC adapter 4a.
  • the reason why the communication connection is attempted first by the wireless modem adapter 4c is that at the user's home, the connection using the wireless modem adapter 4c reduces the communication cost most. And there is a high possibility that a communication connection will be established.
  • the trial order determination unit 2 attempts communication connection in the order of the wireless LAN adapter 4b, the PDC adapter 4a, and the wireless modem adapter 4c.
  • the reason for first performing the communication connection attempt by the wireless LAN adapter 4b is that in the office, the connection using the wireless LAN adapter 4b can reduce the communication cost most, and This is because there is a high possibility that a communication connection will be established, and the communication speed is high.
  • the reason why the connection attempt using the wireless modem adapter 4c is performed last is that in an office, the connection using the wireless modem adapter 4c is the least likely to establish a communication connection. is there.
  • the trial order determination unit 2 attempts communication connection in the order of the PDC adapter 4a, the wireless LAN adapter 4b, and the wireless modem adapter 4c.
  • the reason for first performing the communication connection attempt with the PDC adapter 4a is that the connection is most likely to be established outdoors using the PDC adapter 4a. Because.
  • the trial order determination unit 2 performs a communication connection trial in the order of the wireless LAN adapter 4b, the wireless modem adapter 4c, and the PDC adapter 4a. This is because the communication cost is reduced in the order of wireless LAN adapter 4b, wireless modem adapter 4c, and PDC adapter 4a.
  • the jl plane number of the communication connection attempt by the PDC adapter 4a, the wireless LAN adapter 4b, and the wireless modem adapter 4c can be arbitrarily set by the user.
  • the communication control unit 3 controls communication by the PDC adapter 4a, the wireless LAN adapter 4b, and the wireless modem adapter 4c. According to the trial order determination unit 2 and the trial order determined by the user,? The communication is performed by the 00 adapter 4 &, the wireless LAN adapter 4 b, and the wireless modem adapter 4 c.
  • FIG. 4 is a diagram showing an example of a place specified by the method shown in FIG.
  • step A10 it is determined whether or not the current position information can be obtained by using the GPS by the first position obtaining unit 5a (step A10). If the current position information can be obtained by using the GPS (see YES route in step A20), the position information obtained by the GPS is obtained as the current position of the information processing device 1 (step A20).
  • the third position acquisition unit 5c outputs information.
  • An image obtained by photographing an image around the installation position of the processing device 1 with a digital camera is compared with an image stored in the storage unit in advance to determine whether or not there is a match or a near match (step).
  • a 30 If an image that matches or almost matches the image obtained by shooting is stored in the storage unit (see the YES route in step A30), the current value is determined based on the information associated with the image. Acquire location information and identify current location (step A40).
  • the PDC 6 is used by the second position acquisition unit 5b.
  • the location information of the base station from the nearest base station (step A50).
  • the position information can be obtained from the nearest base station (see YES route in step A50)
  • the current position is specified based on the position information obtained from the base station.
  • step A70 if information that can identify the current position of the user can be obtained from the scheduler (see the YES route in step A70), the current position information is obtained based on the information obtained from the scheduler. (Step A80).
  • step A70 If the current position cannot be specified by the fourth position acquisition unit 5d (see NO route in step A70), it is determined that the current position is unknown, and the process is terminated.
  • a connection trial operation operations of the trial order determination unit 2 and the communication control unit 3) in the information processing device 1 will be described with reference to a flowchart (steps B10 to B140) shown in FIG.
  • the trial order determining unit 2 of the information processing device 1 determines whether the current position is “home”, “company”, “outdoor” or “unknown”. Is determined (step B10). If the current location is the user's home (see the “home” route in step B10), the trial order determination unit 2 communicates in the order of the wireless modem adapter 4c, wireless LAN adapter 4b, and PDC adapter 4a. The communication control unit 3 determines the order of connection attempts, and performs communication connection attempts in accordance with this order (steps B20 to B41).
  • the communication control unit 3 first establishes a communication connection among the wireless modem adapter 4c, the wireless LAN adapter 4b, and the PDC adapter 4a. Is controlled so as to perform communication using. If the current location is an office (see the “Office” route in step B10), the trial order determination unit 2 sends the wireless LAN adapter 4b, the PDC adapter 4a, and the wireless modem adapter 4c in this order. (Communication connection trial) The injection number is determined, and the communication control unit 3 performs a communication connection trial in this order (steps B50 to B71).
  • the communication control unit 3 first establishes a communication connection among the wireless LAN adapter 4b, the PDC adapter 4a, and the wireless modem adapter 4c. Is controlled so as to perform communication using. If your current location is outdoors (see the "Outdoor" route in step B10), try The order determining unit 2 determines the order of trials for communication connection in the order of the PDC adapter 4a, the wireless LAN adapter 4b, and the wireless modem adapter 4c. (Steps B80 to B101).
  • the communication control unit 3 was able to first establish a communication connection with the PDC adapter 4a, the wireless LAN adapter 4b, and the wireless modem adapter 4c. It controls so that communication may be performed using the object. If the current position is unknown (see the “unknown” route in step B10), the trial order determining unit 2 communicates in the order of the wireless LAN adapter 4b, the wireless modem adapter 4c, and the PDC adapter 4a. The order of connection attempts is determined, and the communication control unit 3 attempts communication connection according to this order (steps B110 to B131).
  • the communication control unit 3 was able to establish a communication connection for the first time among the wireless LAN adapter 4b, the wireless modem adapter 4c, and the PDC adapter 4a. It controls so that communication may be performed using the object. If a communication connection cannot be established by any of the wireless LAN adapter 4b, the wireless modem adapter 4c, and the PDC adapter 4a, it is checked whether or not to try the communication connection again (step (B140) If the user wants to try again (see YES route in step B140), the process returns to step B10.
  • connection attempt process is stopped.
  • the application environment to be used is changed according to the current position information acquired as described above.
  • “favorite (bookmarks)” of browsers such as Internet Explorer (Microsoft) and Netscape Navigator (Netscape) are prepared in advance for office and home use, and when using the browser, According to the current position acquired as described above, these “favorites (puckmarks)” are switched and displayed on a display (not shown). Then, at the user's home, a “favorite (pick mark)” for the home, in which items frequently used personally such as the user's hobbies are registered, is displayed. For offices with high prices registered Enter (Bookmark) "is displayed.
  • the application environment to be changed is not limited to the “favorite (pick mark)” of the browser.
  • the software environment can be changed according to the software (such as Illustrator (Adobe) or Photoshop (Adobe Sat. ), Etc., it may be changed at the application level such as a plug-in used, or may be changed at the user interface level, such as an icon displayed on the desktop.
  • the software such as Illustrator (Adobe) or Photoshop (Adobe Sat. ), Etc.
  • it may be changed at the application level such as a plug-in used, or may be changed at the user interface level, such as an icon displayed on the desktop.
  • Various settings and the like may be changed in the above, and various modifications can be made without departing from the spirit of the present invention.
  • the communication connection by the PDC adapter 4a, the wireless LAN adapter 4b, and the wireless modem adapter 4c is sequentially tried, and the result of this trial is as follows.
  • communication is performed using a device that can establish a communication connection first, when the information processing device 1 is connected to the Internet and used, the user switches various devices according to the use position. There is no need to perform complicated tasks such as changing the settings and settings, which is convenient.
  • the PDC adapter 4a by performing the communication connection attempts by the PDC adapter 4a, the wireless LAN adapter 4b, and the wireless modem adapter 4c in the order of the possibility of establishing the communication connection, the time until the communication connection is established. And the waiting time of the user before connecting to the Internet can be reduced.
  • the user can use the Internet at a high communication speed by performing communication connection trials by the PDC adapter 4a, the wireless LAN adapter 4b, and the wireless modem adapter 4c in order of the communication speed. Can be highly convenient.
  • the communication cost can be reduced by performing communication connection trials by the adapter 4 &, the wireless LAN adapter 4b, and the wireless modem adapter 4c in order of decreasing communication cost.
  • the degree of freedom can be improved. Communication can be performed according to the user's request.
  • the current position information of the information processing device 1 is obtained, and the obtained current position information is obtained. According to information,? 0.
  • communication connection trials can be performed in an order that is optimal for the use position of the information processing device 1.
  • the time until communication is established can be shortened.
  • a trial order determining unit 2 determines a trial order of communication connection by the PDC adapter 4a, the wireless LAN adapter 4b, and the wireless modem adapter 4c.
  • the communication control unit 3 may determine the order of trial of communication connection by the PDC adapter 4a, the wireless LAN adapter 4b, and the wireless modem adapter 4c.
  • the application environment to be used is changed according to the current position information.
  • the present invention is not limited to this, and the communication control unit 3 establishes a communication connection.
  • the application environment to be used may be changed according to the selected wireless communication unit (one of the PDC adapter 4a, the wireless LAN adapter 4b, and the wireless modem adapter 4c).
  • the information processing apparatus 1 includes the PDC adapter 4a, the wireless LAN adapter 4b, and the wireless modem adapter 4c, and the information processing apparatus 1 may be connected to any one of the user's home, office, and outdoor. Switching is performed automatically, but is not limited to these.
  • a wireless communication device other than the PDC adapter 4a, the wireless LAN adapter 4b, and the wireless modem adapter 4c, such as a PHS (Personal Handyphone System), may be provided.
  • a wireless communication device wireless communication unit
  • the wireless LAN adapter 4b the wireless LAN adapter 4b
  • the wireless modem adapter 4c such as a PHS (Personal Handyphone System)
  • the PDC adapter 4a and the PDC 6 are integrated, the wireless LAN adapter 4b and the wireless LAN 7 are integrated, the wireless modem adapter 4c and the wireless modem 8 are integrated. Are configured as wireless communication units. You may not.
  • the information processing device is equipped with a wireless device (wireless communication unit) corresponding to the communication environment of each country, and based on information from the GPS, base station, scheduler, etc., the current position information of the information processing device is provided. Based on the current position information, etc., and sequentially tries communication connection by a plurality of types of wireless communication units.As a result of the trial, the wireless communication unit that can first establish the communication connection is used. Communication may be performed. In addition, if each embodiment of the present invention is disclosed, it can be manufactured by those skilled in the art. Industrial applicability
  • the information processing apparatus, the communication control method, the communication control program, and the computer-readable recording medium in which the program is recorded according to the present invention are useful for easily and quickly performing communication at a destination. Yes, especially suitable for portable notebook computers and PDAs (Personal Digital Assistants).

Abstract

L'invention concerne au moins deux sortes de sections de radiocommunications (4a, 4b, 4c) et une unité de commande de communication (3) qui régule les communications établies entre elles. L'unité de commande de communication (3) teste de manière séquentielle des connexions de communications à travers les sections de communications (4a, 4b, 4c) et fait qu'une de celles pouvant établir en premier une liaison de communications dans le cadre de ce test séquentiel peut être utilisée pour la communication. Ce système présente un progrès avantageux du fait que si un utilisateur fait appel à un dispositif de traitement mobile de l'information dans différents endroits, il n'a plus à commuter des dispositifs de communication ou à modifier les paramètres d'un dispositif de communication.
PCT/JP2001/002400 2001-03-26 2001-03-26 Dispositif de traitement de l'information, procede de commande de communication, programme de communication et support d'enregistrement lisible sur lequel ledit programme a ete enregistre WO2002078294A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2002576394A JPWO2002078294A1 (ja) 2001-03-26 2001-03-26 情報処理装置，通信制御方法，通信制御プログラムおよび同プログラムを記録したコンピュータ読取可能な記録媒体
PCT/JP2001/002400 WO2002078294A1 (fr) 2001-03-26 2001-03-26 Dispositif de traitement de l'information, procede de commande de communication, programme de communication et support d'enregistrement lisible sur lequel ledit programme a ete enregistre

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PCT/JP2001/002400 WO2002078294A1 (fr) 2001-03-26 2001-03-26 Dispositif de traitement de l'information, procede de commande de communication, programme de communication et support d'enregistrement lisible sur lequel ledit programme a ete enregistre

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2014007451A (ja) * 2012-06-21 2014-01-16 Sony Corp 制御装置、制御方法、プログラムおよび記録媒体
JP2017209838A (ja) * 2016-05-24 2017-11-30 セイコーエプソン株式会社 印刷装置、及び、印刷装置の制御方法
JP2017209837A (ja) * 2016-05-24 2017-11-30 セイコーエプソン株式会社 印刷装置、及び、印刷装置の制御方法

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0354987A (ja) * 1989-05-26 1991-03-08 Hitachi Ltd 無線通信システムおよび無線端末
JPH09160855A (ja) * 1995-12-11 1997-06-20 Atsushi Matsushita 計算機装置によるデータ通信システム
JP2000209644A (ja) * 1999-01-19 2000-07-28 Denso Corp 無線通信用複合端末装置
JP2000278735A (ja) * 1999-03-24 2000-10-06 Hitachi Ltd 移動無線装置

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0354987A (ja) * 1989-05-26 1991-03-08 Hitachi Ltd 無線通信システムおよび無線端末
JPH09160855A (ja) * 1995-12-11 1997-06-20 Atsushi Matsushita 計算機装置によるデータ通信システム
JP2000209644A (ja) * 1999-01-19 2000-07-28 Denso Corp 無線通信用複合端末装置
JP2000278735A (ja) * 1999-03-24 2000-10-06 Hitachi Ltd 移動無線装置

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2014007451A (ja) * 2012-06-21 2014-01-16 Sony Corp 制御装置、制御方法、プログラムおよび記録媒体
JP2017209838A (ja) * 2016-05-24 2017-11-30 セイコーエプソン株式会社 印刷装置、及び、印刷装置の制御方法
JP2017209837A (ja) * 2016-05-24 2017-11-30 セイコーエプソン株式会社 印刷装置、及び、印刷装置の制御方法

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