WO2015019894A1 - Instrument électronique - Google Patents

Instrument électronique Download PDF

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Publication number
WO2015019894A1
WO2015019894A1 PCT/JP2014/069889 JP2014069889W WO2015019894A1 WO 2015019894 A1 WO2015019894 A1 WO 2015019894A1 JP 2014069889 W JP2014069889 W JP 2014069889W WO 2015019894 A1 WO2015019894 A1 WO 2015019894A1
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WO
WIPO (PCT)
Prior art keywords
antenna
mobile terminal
hand
state
electronic device
Prior art date
Application number
PCT/JP2014/069889
Other languages
English (en)
Japanese (ja)
Inventor
佐藤　直紀
山下　高史
Original Assignee
シャープ株式会社
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 シャープ株式会社 filed Critical シャープ株式会社
Publication of WO2015019894A1 publication Critical patent/WO2015019894A1/fr

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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q21/00—Antenna arrays or systems
    • H01Q21/28—Combinations of substantially independent non-interacting antenna units or systems
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/12—Supports; Mounting means
    • H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
    • H01Q1/24—Supports; Mounting means by structural association with other equipment or articles with receiving set
    • H01Q1/241—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM
    • H01Q1/242—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM specially adapted for hand-held use
    • H01Q1/243—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM specially adapted for hand-held use with built-in antennas
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
    • H04M1/724—User interfaces specially adapted for cordless or mobile telephones
    • H04M1/72448—User interfaces specially adapted for cordless or mobile telephones with means for adapting the functionality of the device according to specific conditions
    • H04M1/72454—User interfaces specially adapted for cordless or mobile telephones with means for adapting the functionality of the device according to specific conditions according to context-related or environment-related conditions

Definitions

  • the present invention relates to an electronic device, a communication control method, and a program.
  • the present invention relates to an electronic device having a communication function, a communication control method in the electronic device, and a program for controlling the electronic device.
  • Patent Document 1 discloses, as the terminal device, a display unit, a plurality of antennas, an antenna switching unit that switches antennas to be used, and a holding unit that detects a user's holding direction.
  • a portable information terminal comprising a direction detecting means is disclosed.
  • the antenna switching unit switches the antenna to be used for wireless communication based on the detection signal from the holding direction detection unit in order to prevent deterioration in communication performance.
  • Patent Document 1 since only the holding direction of the portable information terminal is considered, depending on the gripping state (how to hold) of the user's portable information terminal, an antenna with poor communication performance is selected. There is a risk that.
  • the present application has been made in view of the above problems, and an object thereof is to provide an electronic device capable of selecting an antenna having good communication performance from among a plurality of antennas.
  • the electronic device is a portable device that wirelessly communicates with a communication device.
  • the electronic device selects at least one antenna to be used for communication with the communication device from the plurality of antennas based on the plurality of antennas, the detection unit that detects the gripping state of the electronic device, and the detected gripping state And a communication interface that wirelessly communicates with the communication device using the selected antenna.
  • FIG. 2 is a diagram for explaining a schematic configuration of a mobile terminal 1.
  • FIG. It is a figure showing the state where the user hold
  • 2 is a diagram illustrating a hardware configuration of a mobile terminal 1.
  • FIG. 4 is a diagram for explaining a region of a main surface of the mobile terminal 1.
  • FIG. 3 is a diagram for describing a functional configuration of a mobile terminal 1.
  • FIG. It is a figure showing the schematic structure of the data table D7. 4 is a flowchart for explaining a flow of processing in the mobile terminal 1. It is a flowchart for demonstrating the detail of the process of step S4 in FIG.
  • the mobile terminal according to each embodiment of the present invention will be described with reference to the drawings.
  • the same parts are denoted by the same reference numerals. Their names and functions are also the same. Therefore, detailed description thereof will not be repeated.
  • a portable terminal a smart phone and a tablet terminal are mentioned, for example.
  • the portable terminal is not particularly limited as long as it is a portable electronic device capable of wireless communication.
  • FIG. 1 is a diagram for explaining a schematic configuration of a mobile terminal 1 according to an embodiment of the present invention.
  • FIG. 1A is a front view of the mobile terminal 1.
  • FIG. 1B is a rear view of the mobile terminal 1.
  • FIG. 1C is a side view of the mobile terminal 1.
  • FIG. 1D is a cross-sectional view taken along the line II in FIG.
  • the mobile terminal 1 includes a touch screen 108 and operation keys 105 on the main surface.
  • the touch screen 108 includes a display and a touch panel.
  • the portable terminal 1 is provided with side touch sensors 110a, 110b, 110c, and 110d on each side.
  • Each side touch sensor 110 a, 110 b, 110 c, 110 d is provided on the surface of the housing 10 of the mobile terminal 1.
  • Each of the side surface touch sensors 110a, 110b, 110c, and 110d can be configured by a capacitive sensor, for example. Further, instead of a touch sensor such as a capacitive sensor, a hover compatible touch panel may be used.
  • an electric field also circulates to the side surface of the housing, so that it is possible to detect the contact position of a finger or hand on the side of the housing.
  • the four side touch sensors 110a, 110b, 110c, and 110d are collectively referred to as “side touch sensors 110”. That is, the side touch sensor 110 includes four side touch sensors 110a, 110b, 110c, and 110d.
  • the mobile terminal 1 includes a camera 107 and a back touch sensor 109 on the back. Similar to the side touch sensor 110, the back surface touch sensor 109 can be constituted by, for example, a capacitive sensor.
  • the mobile terminal 1 includes a plurality of antennas 121 and 122 and a plurality of electronic circuits 131, 132, 133, and 134 in the housing 10.
  • the electronic circuits 131 to 134 are arranged on a substrate (not shown). That is, the plurality of antennas 121 and 122 and the plurality of electronic circuits 131, 132, 133, and 134 are built in the mobile terminal 1.
  • the antenna 121 is fed by a feed line (not shown).
  • the feeding point P ⁇ b> 1 is a connection point between the feeding line and the antenna 121.
  • the antenna 122 is fed by a feed line (not shown).
  • the feeding point P ⁇ b> 2 is a connection point between the feeding line and the antenna 122.
  • the mobile terminal 1 selects one antenna from the antenna 121 and the antenna 122, and performs wireless communication with a communication device (other communication terminal, base station, etc.) not shown. That is, the mobile terminal 1 switches the antenna used for wireless communication between the antenna 121 and the antenna 122. A specific antenna selection method will be described later.
  • the mobile terminal 1 rotates the display screen of the display 90 degrees when the attitude of the mobile terminal 1 changes from the horizontal attitude to the vertical attitude, or when the attitude changes from the vertical attitude to the horizontal attitude.
  • FIG. 2 is a diagram illustrating a state where the user holds the mobile terminal 1 sideways.
  • state A is a diagram showing a state in which the user grips the right end side of mobile terminal 1 in the landscape orientation (in the case of state A in FIG. 2, operation key 105 side) with the right hand. is there.
  • State B is a diagram showing a state in which the user grips the left end side of the mobile terminal 1 in the landscape orientation with the left hand.
  • the mobile terminal 1 uses the antenna 121 to communicate with the communication device. And wireless communication. That is, the mobile terminal 1 selects the antenna 121 whose surface near the feeding point is not covered with the hand.
  • the “surface in the vicinity of the feeding point” typically means the intersection of the principal surface normal passing through the feeding point and the principal surface, the intersection of the back normal passing through the feeding point and the back surface, And the intersection of the normal with the side surface passing through the feed point (typically, the side surface closest to the feed point) and the side surface.
  • the “surface in the vicinity of the feeding point” can be a region in a predetermined range including the intersections (for example, a circular region having a radius of 5 mm or a rectangular region having a side of 5 mm).
  • the mobile terminal 1 selects the antenna 122 whose surface near the feeding point is not covered with a hand.
  • FIG. 3 is a diagram showing a state where the user holds the mobile terminal 1 vertically.
  • state A represents a state in which the user grips the lower end side of portable terminal 1 in the vertical orientation (the operation key 105 side in the case of state A in FIG. 3) with the right hand.
  • state B is a diagram showing a state in which the user grips the upper end side of the portable terminal 1 in the vertical orientation with the left hand.
  • state A the surface of the antenna 122 in the vicinity of the feeding point P2 is covered with a hand, so that the mobile terminal 1 performs wireless communication with the communication device using the antenna 121. That is, the mobile terminal 1 selects the antenna 121 whose surface near the feeding point is not covered with the hand.
  • the portable terminal 1 selects the antenna 122 whose casing surface near the feeding point is not covered with hands.
  • the mobile terminal 1 selects at least one antenna used for communication with the communication device from the antennas 121 and 122 based on the grip state. Specifically, the mobile terminal 1 uses an antenna whose surface in the vicinity of the feeding point is not covered with a hand out of the two antennas 121 and 122 regardless of the attitude of the mobile terminal 1 (horizontal or vertical orientation). Use to communicate with communication equipment.
  • the mobile terminal 1 can communicate with the communication device using the antenna having the better communication performance (communication quality).
  • the mobile terminal 1 for realizing the antenna selection as described above will be described.
  • FIG. 4 is a diagram illustrating a hardware configuration of the mobile terminal 1.
  • the mobile terminal 1 includes a CPU 101 that executes a program, a ROM (Read Only Memory) 102, a RAM (Random Access Memory) 103, a flash memory 104, an operation key 105, a speaker 106, and the like.
  • the touch screen 108 includes the display 1081 and the touch panel 1082 as described above.
  • the components 101 to 112 are connected to each other by a data bus.
  • the antennas 121 and 122 are connected to the wireless communication IF 112.
  • the antennas 121 and 122 and the wireless communication IF 112 are used, for example, for wireless communication with other mobile terminals, fixed telephones, and PCs (Personal Computers) via a base station.
  • the ROM 102 is a nonvolatile semiconductor memory.
  • the ROM 102 stores a boot program for the portable terminal 1 in advance.
  • the flash memory 104 is a nonvolatile semiconductor memory.
  • the flash memory 104 may be configured as a NAND type as an example.
  • the flash memory 104 volatilizes various data such as an operating system of the mobile terminal 1, various programs for controlling the mobile terminal 1, data generated by the mobile terminal 1, and data acquired from an external device of the mobile terminal 1. To store.
  • Processing in the mobile terminal 1 is realized by each hardware and software executed by the CPU 101.
  • Such software may be stored in the flash memory 104 in advance.
  • the software may be stored in a memory card or other storage medium (not shown) and distributed as a program product.
  • the software may be provided as a program product that can be downloaded by an information provider connected to the so-called Internet.
  • Such software is downloaded via the antennas 121 and 122 and the wireless communication IF 112 and then temporarily stored in the flash memory 104.
  • the software is read from the flash memory 104 by the CPU 101 and further stored in the flash memory 104 in the form of an executable program.
  • the CPU 101 executes the program.
  • Each component constituting the mobile terminal 1 shown in the figure is general. Therefore, it can be said that an essential part of the present invention is software stored in the flash memory 104 or other storage medium, or software that can be downloaded via a network.
  • the recording medium is not limited to DVD-ROM, CD-ROM, FD, and hard disk, but is fixed such as semiconductor memory such as magnetic tape, cassette tape, optical disk, optical card, mask ROM, EPROM, EEPROM, and flash ROM.
  • a medium carrying a program may be used.
  • the recording medium is a non-temporary medium that can be read by the computer.
  • the program here includes not only a program directly executable by the CPU but also a program in a source program format, a compressed program, an encrypted program, and the like.
  • FIG. 5 is a diagram for explaining a region of the main surface of the mobile terminal 1.
  • FIG. 5A is a front view of the mobile terminal 1.
  • FIG. 5B is a side view of the mobile terminal 1.
  • the region of the main surface is divided (classified) into a plurality of regions ⁇ , ⁇ , ⁇ , and ⁇ as an example.
  • Each of the regions ⁇ , ⁇ , ⁇ , and ⁇ is located in this order from the upper end side to the lower end side (operation key 105 side).
  • the normal line from the feeding point P1 to the main surface intersects in the region ⁇ . That is, the feeding point P1 is located immediately below the region ⁇ in the plurality of regions ⁇ to ⁇ . Further, the normal line from the feeding point P2 to the main surface intersects in the region ⁇ . That is, the feeding point P2 is located immediately below the region ⁇ in the plurality of regions ⁇ to ⁇ .
  • the movable range on the main surface of the thumb of the hand that the user is holding the mobile terminal 1 will be described using the regions ⁇ , ⁇ , ⁇ , and ⁇ .
  • the main surface is divided into four regions.
  • the main surface is not limited to four.
  • FIG. 6 is a diagram for explaining a functional configuration of the mobile terminal 1.
  • the mobile terminal 1 includes a touch screen 108, a back touch sensor 109, a side touch sensor 110, an acceleration sensor 111, a wireless communication IF 112, an antenna 121, an antenna 122, and a control unit 200. And a storage unit 300.
  • the wireless communication IF 112 includes an antenna switching processing unit 400.
  • the control unit 200 includes a state detection unit 210, a movable region estimation unit 220, a communication control unit 230, and a display control unit 240.
  • the state detection unit 210 includes a handle determination unit 211.
  • the communication control unit 230 includes a selection unit 231.
  • the storage unit 300 stores a data table D7.
  • FIG. 7 is a diagram showing a schematic configuration of the data table D7.
  • the posture (vertical, horizontal) of the mobile terminal 1, the handle of the user's mobile terminal 1 (the hand that is gripped), and the contact area (thumb) on the main surface ) are associated with each other.
  • the movable range of the thumb on the main surface that is, the region on the main surface where the thumb can move in the gripping state
  • the antenna to be selected are associated with each other.
  • the contact area on the main surface is one of a plurality of areas ⁇ , ⁇ , ⁇ , and ⁇ for convenience of explanation.
  • the movable range of the thumb is any one of the plurality of regions ⁇ , ⁇ , ⁇ , ⁇ , or a combination of two or more of the plurality of regions ⁇ , ⁇ , ⁇ , ⁇ .
  • any one of the antenna 121, the antenna 122, and the currently used antenna is defined.
  • the back touch sensor 109 detects the contact position of the hand on the back surface of the mobile terminal 1.
  • the back touch sensor 109 sends the detected coordinate information of the contact position to the state detection unit 210 of the control unit 200.
  • the side touch sensor 110 detects the contact position of the hand on the side surface of the mobile terminal 1.
  • the side touch sensor 110 sends the coordinate information of the detected contact position to the state detection unit 210. Note that the coordinate information from each of the side surface touch sensors 110a to 110d is sent to the state detection unit 210 in a state of being distinguished for each side surface touch sensor.
  • the acceleration sensor 111 detects the current orientation (portrait or landscape) of the mobile terminal 1 by gravity and detects the acceleration of the mobile terminal 1 by the user's action.
  • the acceleration sensor 111 sends the measured acceleration information to the control unit 200. More specifically, the acceleration sensor 111 sends the measured acceleration information to the state detection unit 210 and the display control unit 240.
  • the display control unit 240 When the display control unit 240 detects that the posture of the mobile terminal 1 has changed from the first posture (for example, vertical) to the second posture (for example, horizontal) based on the output from the acceleration sensor 111, the display control unit 240 Rotate the display screen 90 degrees. That is, the display control unit 240 has a screen rotation function.
  • the state detection unit 210 detects the gripping state of the mobile terminal 1 by the user.
  • the handle determination unit 211 of the state detection unit 210 determines whether the hand in contact with the mobile terminal 1 is the left hand or the right hand based on the contact position.
  • the state detection unit 210 detects a gripping state based on coordinate information from the touch panel 1082, coordinate information from the back touch sensor 109, coordinate information from the side touch sensor 110, and acceleration information from the acceleration sensor 111. . More specifically, the state detection unit 210 includes information on the detected contact position, posture information (portrait orientation or landscape orientation) of the mobile terminal 1, and whether the hand in contact is a left hand or a right hand. The gripping state is detected based on the hand information.
  • the state detection unit 210 sends the detected gripping state to the movable region estimation unit 220. Specifically, the state detection unit 210 sends hand contact position information, posture information of the mobile terminal 1, and handle information as information indicating the gripping state to the movable region estimation unit 220.
  • the movable area estimation unit 220 estimates the movable area on the surface of the thumb of the touching hand based on the information on the hand contact position, the posture information, and the handle information. Specifically, the movable region estimation unit 220 refers to the data table D7 and estimates the movable region on the main surface of the thumb. Specifically, the movable region estimation unit 220 estimates at least one region from among the regions ⁇ , ⁇ , ⁇ , and ⁇ (see FIG. 5) as the movable region. In addition, the movable region estimation unit 220 sends information on the hand contact position, posture information, handle information, and information representing the estimated movable region to the communication control unit 230.
  • the communication control unit 230 controls communication using the wireless communication IF 112. Specifically, the communication control unit 230 performs various processes necessary for setting wireless communication.
  • the selection unit 231 of the communication control unit 230 selects at least one antenna used for communication with the communication device from the plurality of antennas 121 and 122 based on the detected gripping state.
  • the selection unit 231 selects an antenna whose surface of the mobile terminal 1 near the feeding point of the antenna is not covered with a hand from among the plurality of antennas 121 and 122. More specifically, the selection unit 231 has an antenna in which the surface in the vicinity of the feeding point of the antenna is not covered with a hand, and the estimated movable region is not in the vicinity of the feeding point among the plurality of antennas 121 and 122. Select. More specifically, the selection unit 231 selects an antenna to be used for communication with reference to the data table D7.
  • the selection unit 231 refers to the data table D7, the posture is “vertical”, the handle is “left hand”, the contact area on the main surface is “ ⁇ ”, and the thumb movable area is “ ⁇ , ⁇ ,
  • the antenna associated with “ ⁇ ” ie, antenna 122) is selected.
  • the selection unit 231 notifies the antenna switching processing unit 400 of the selected antenna.
  • the wireless communication IF 112 performs wireless communication with a communication device using the selected antenna. Specifically, the antenna switching processing unit 400 of the wireless communication IF 112 switches the antenna as necessary so that communication can be performed using the selected antenna. For example, when the antenna switching process unit 400 is notified that the antenna 122 has been selected from the selection unit 231 in a situation where the antenna 121 is being used, the antenna switching processing unit 400 performs a process of switching the antenna to be used from the antenna 121 to the antenna 122. .
  • FIG. 8 is a flowchart for explaining the flow of processing in the mobile terminal 1.
  • step S ⁇ b> 2 CPU 101 of portable terminal 1 determines whether a processing request for starting connection to a network has been received.
  • CPU 101 determines that the processing request has been accepted (YES in step S2)
  • step S4 CPU 101 detects the gripping state of portable terminal 1 by the user. If CPU 101 determines that it has not accepted the processing request (NO in step S2), it returns the process to step S2.
  • step S6 the CPU 101 estimates a movable area on the main surface of the thumb.
  • step S ⁇ b> 8 the CPU 101 selects an antenna to be used for wireless communication from the antennas 121 and 122.
  • step S10 the wireless communication IF 112 communicates with the communication device using the selected antenna.
  • step S12 the CPU 101 determines whether or not a processing request for terminating the connection to the network has been received.
  • CPU 101 determines that a processing request has been received (YES in step S12)
  • the series of processing ends. If CPU 101 determines that it has not accepted the processing request (NO in step S12), it returns the process to step S4.
  • FIG. 9 is a flowchart for explaining details of the process in step S4 in FIG.
  • CPU 101 determines the attitude of mobile terminal 1 based on the output from acceleration sensor 111.
  • the CPU 101 acquires coordinate information representing the contact position of the hand from the back touch sensor 109 and the side touch sensor 110.
  • the CPU 101 determines whether the handle holding the mobile terminal 1 is the left hand or the right hand.
  • the portable terminal 1 is a portable electronic device that wirelessly communicates with a communication device.
  • the mobile terminal 1 includes a plurality of antennas 121 and 122, a state detection unit 210 that detects a gripping state of the mobile terminal 1, and a communication device from among the plurality of antennas 121 and 122 based on the detected gripping state.
  • a selection unit 231 that selects an antenna to be used for communication, and a wireless communication IF 112 that performs wireless communication with a communication device using the selected antenna. Therefore, the mobile terminal 1 can select an antenna with good communication performance from among a plurality of antennas according to the gripping state by the user.
  • Each of the plurality of antennas 121 and 122 is built in the mobile terminal 1.
  • the selection unit 231 selects an antenna whose surface of the mobile terminal 1 in the vicinity of the feeding point of the antenna is not covered with a hand from the plurality of antennas 121 and 122.
  • the mobile terminal 1 selects an antenna whose surface near the feeding point is not covered with a hand, it is possible to select an antenna with good communication performance.
  • the mobile terminal 1 further includes a touch screen 108 having a display surface on the main surface side, and touch sensors (109, 110) for detecting a contact position of a hand on the back and side surfaces of the mobile terminal 1.
  • the state detection unit 210 detects a grip state based on the detected contact position. Therefore, the mobile terminal 1 can detect the gripping state.
  • a display control unit 240 that rotates the display screen of the display 1081 of the touch screen 108 by 90 degrees.
  • the state detection unit 210 detects a gripping state based on posture information representing either the first posture or the second posture. Therefore, the mobile terminal 1 can detect the grip state in consideration of the posture information.
  • the state detection unit 210 includes a handle determination unit 211 that determines whether the hand in contact with the electronic device is a left hand or a right hand based on the contact position.
  • the mobile terminal 1 determines the movable region on the main surface of the thumb of the touching hand based on the contact position, the posture information, and the handle information indicating whether the touching hand is the left hand or the right hand.
  • a movable region estimation unit 220 for estimation is further provided.
  • the selection unit 231 selects an antenna whose estimated movable region is not near the feeding point from the plurality of antennas 121 and 122. Therefore, even if the user moves the thumb, the portable terminal 1 can select an antenna whose surface near the feeding point is not covered with a hand.
  • the main surface of the mobile terminal 1 is divided into a plurality of regions ⁇ , ⁇ , ⁇ , and ⁇ .
  • the feeding point P1 of the antenna 121 of the plurality of antennas 121 and 122 is located immediately below the region ⁇ in the plurality of regions ⁇ to ⁇ .
  • the feeding point P2 of the antenna 122 of the plurality of antennas 121 and 122 is located immediately below the region ⁇ in the plurality of regions ⁇ to ⁇ .
  • the movable region estimation unit 220 estimates one or more regions of the plurality of regions ⁇ to ⁇ as movable regions. Therefore, the mobile terminal 1 can estimate the movable region of the thumb from the plurality of predetermined regions ⁇ to ⁇ .
  • a storage unit 300 is further provided that stores a data table D7 that represents the correspondence between the attitude of the mobile terminal 1, the handle, the regions ⁇ to ⁇ , and the antenna.
  • the selection unit 231 selects at least one antenna used for communication with the communication device from the plurality of antennas 121 and 122 based on the data table D7. Therefore, the portable terminal 1 can select an antenna whose surface near the feeding point is not covered with a hand by storing the data table D7 in advance.
  • the communication control method in the mobile terminal 1 is used for communication with a communication device from the plurality of antennas 121 and 122 based on the step of detecting the gripping state of the mobile terminal 1 and the detected gripping state. Selecting an antenna and wirelessly communicating with the communication device using the selected antenna. Therefore, the mobile terminal 1 can select an antenna with good communication performance from among a plurality of antennas according to the gripping state by the user.
  • a program for controlling the mobile terminal 1 is used for communication with a communication device from among the plurality of antennas 121 and 122 based on the step of detecting the gripping state of the mobile terminal 1 and the detected gripping state.
  • the CPU 101 of the portable terminal 1 is caused to execute a step of selecting an antenna and a step of wirelessly communicating with a communication device using the selected antenna. Therefore, the mobile terminal 1 can select an antenna with good communication performance from among a plurality of antennas according to the gripping state by the user.
  • FIG. 10 is a diagram for explaining the movable region of the thumb.
  • the movable region of the thumb is divided into four regions ⁇ , ⁇ , ⁇ , and ⁇ , but the present invention is not limited to this.
  • the movable area estimation unit 220 may be configured to estimate a more accurate movable area (for example, the area Q) according to the gripping state by the user.
  • the movable region estimation unit 220 for example, a combination pattern of a plurality of coordinate information (coordinate values) representing a posture, a handle, and a contact position, a movable region of the thumb,
  • the movable region may be estimated using a data table in which antennas are associated with each other.
  • the movable region of the thumb may be estimated by calculation using a mathematical formula. Furthermore, it is good also as a structure which judges whether it belongs to any one of several patterns by calculation instead of matching previously the combination pattern of a coordinate in a data table.
  • FIG. 11 is a diagram illustrating a state where the user holds the mobile terminal 1A sideways.
  • mobile terminal 1 ⁇ / b> A includes antennas 121, 122, and 123.
  • the antenna 123 is fed by a feed line (not shown).
  • the feeding point P3 is a connection point between the feeding line and the antenna 123.
  • State A is a diagram showing a state in which the user grips the right end side of the mobile terminal 1A in the landscape orientation (the side opposite to the operation key 105 in the case of State A in FIG. 11) with the right hand.
  • State B is a diagram showing a state in which the user holds the left end side of the mobile terminal 1A in the landscape orientation with the left hand.
  • State C is a diagram showing a state in which the user holds the left end side and the right end side of the mobile terminal 1A in the landscape orientation with the left hand and the right hand, respectively.
  • the surface (main surface, back surface, and side surface) of the mobile terminal 1A in the vicinity of the feeding point P1 of the antenna 121 is covered with a hand.
  • the antenna 122 has better performance than the antenna 123. Therefore, the mobile terminal 1 ⁇ / b> A performs wireless communication with the communication device using the antenna 122. That is, 1 A of portable terminals select the antenna 122 with the better performance among the antennas 122 and 123 whose surfaces near the feeding point are not covered with hands.
  • the mobile terminal 1 When the state A changes to the state B, the surface of the antenna 122 near the feeding point P2 is covered with a hand. In addition, the antenna 121 has better performance than the antenna 123. Therefore, the mobile terminal 1 ⁇ / b> A performs wireless communication with the communication device using the antenna 121. That is, the portable terminal 1 selects the antenna 121 having the better performance among the antennas 121 and 123 whose surfaces near the feeding point are not covered with hands.
  • each surface in the vicinity of the feeding point P2 of the antenna 122 and the feeding point P1 of the antenna 121 is covered with hands. Therefore, the mobile terminal 1 ⁇ / b> A performs wireless communication with the communication device using the antenna 123. That is, the mobile terminal 1 selects the remaining antenna 123 as an antenna whose surface near the feeding point is not covered with a hand.
  • FIG. 12 is a diagram showing a state in which the user holds the mobile terminal 1A vertically.
  • state A represents a state in which the user grips the lower end side of portable terminal 1A in the vertical orientation (in the case of state A in FIG. 12, operation key 105 side) with the right hand.
  • state B is a diagram showing a state in which the user grips the lower end side of portable terminal 1A in the vertically oriented posture with the left hand.
  • the mobile terminal 1 ⁇ / b> A performs wireless communication with the communication device using the antenna 121. That is, the portable terminal 1 selects the antenna 121 having the better performance among the antennas 121 and 123 whose surfaces near the feeding point are not covered with hands.
  • the mobile terminal 1 When the state A is changed to the state B, the surface of the antenna 123 in the vicinity of the feeding point P3 is covered with a hand.
  • the antenna 122 has better performance than the antenna 121. Therefore, the mobile terminal 1 ⁇ / b> A performs wireless communication with the communication device using the antenna 122. That is, the portable terminal 1 selects the antenna 122 having the better performance among the antennas 121 and 122 whose casing surface near the feeding point is not covered with the hand.
  • the mobile terminal 1A selects at least one antenna used for communication with the communication device from the antennas 121, 122, and 123 based on the grip state. Specifically, in the mobile terminal 1A, the surface of the three antennas 121, 122, and 123 in the vicinity of the feeding point is not covered with a hand regardless of the attitude of the mobile terminal 1 (horizontal orientation or vertical orientation). An antenna having the highest performance is used to communicate with a communication device.
  • the mobile terminal considering the close contact is referred to as “mobile terminal 1 ⁇ / b> B” in order to distinguish it from the mobile terminal 1.
  • the mobile terminal 1 and the mobile terminal 1B have the same hardware configuration. That is, the portable terminal 1B includes two antennas 121 and 122. However, the following description will be given on the assumption that the antenna 122 has better performance than the antenna 121.
  • the portable terminal 1B determines whether a part of the palm or the base of the thumb is in close contact with the portable terminal 1B based on the size of the contact area detected by the back touch sensor 109 and the side touch sensors 110a to 110d. .
  • the mobile terminal 1B determines that a part of the palm or the base of the thumb is in close contact with the surface of the mobile terminal 1B, whether or not the close contact area is in the vicinity of each feeding point of each antenna. Judging.
  • FIG. 13 is a diagram illustrating a state in which the user holds the mobile terminal 1B sideways.
  • state A represents a state in which the user grips the right end side of mobile terminal 1 in the landscape orientation (the side opposite to operation key 105 in the case of state A in FIG. 13) with the right hand.
  • FIG. State B is a diagram showing a state in which the user grips the left end side of the mobile terminal 1B in the landscape orientation with the left hand.
  • the surface (main surface, back surface, and side surface) of the mobile terminal 1 in the vicinity of the feeding point P1 of the antenna 121 is covered with hands, so the mobile terminal 1B uses the antenna 122 to communicate with the communication device. And wireless communication. That is, the portable terminal 1B selects the antenna 121 whose surface near the feeding point is not covered with a hand. More specifically, since the regions S ⁇ 1 and S ⁇ 2 where a part of the palm or the thumb attachment part is in close contact are in the vicinity of the feeding point P1, the portable terminal 1B has an antenna 122 having a feeding point P2 different from the feeding point P1. Select.
  • the region S ⁇ 1 is a region on the main surface side
  • the region S ⁇ 2 is a region on the back side.
  • the mobile terminal 1B When the state A is changed to the state B, the surface of the antenna 122 in the vicinity of the feeding point P2 is covered with a hand, so that the mobile terminal 1B performs wireless communication with the communication device using the antenna 121. That is, the portable terminal 1B selects the antenna 121 whose surface near the feeding point is not covered with a hand. More specifically, since the regions S ⁇ 1 and S ⁇ 2 where a part of the palm and the thumb attachment part are in close contact are in the vicinity of the feeding point P2, the mobile terminal 1B has an antenna 121 having a feeding point P1 different from the feeding point P2. Select. Note that the region S ⁇ 1 is a region on the main surface side, and the region S ⁇ 2 is a region on the back surface side.
  • FIG. 14 is a diagram illustrating a state in which the user holds the mobile terminal 1B in the vertical direction.
  • state A is a diagram showing a state in which the user grips the lower end side of portable terminal 1 in the vertical orientation (the operation key 105 side in the case of state A in FIG. 14) with the right hand.
  • state B is a diagram showing a state in which the user grips the upper end side of the portable terminal 1B in the portrait orientation with the left hand.
  • regions S ⁇ 1 and S ⁇ 2 are regions (partial regions on the surface of the mobile terminal 1B) where a part of the palm or the thumb attachment is in close contact.
  • the region S ⁇ 1 is a region on the main surface side
  • the region S ⁇ 2 is a region on the back surface side.
  • the mobile terminal 1B since the surface of the antenna 122 in the vicinity of the feeding point P2 is covered with a hand, the mobile terminal 1B performs wireless communication with the communication device using the antenna 121. That is, the portable terminal 1B selects the antenna 121 whose surface near the feeding point is not covered with a hand.
  • regions S ⁇ 1 and S ⁇ 2 are regions where a part of the palm or the thumb attachment part is in close contact (partial region on the surface of portable terminal 1B).
  • the region S ⁇ 1 is a region on the main surface side
  • the region S ⁇ 2 is a region on the back surface side.
  • the mobile terminal 1 ⁇ / b> B performs wireless communication with the communication device using the antenna 122. That is, the portable terminal 1B selects the antenna 122 with good performance among the antennas 121 and 122 whose casing surface near the feeding point is not covered with hands. More specifically, when the area that is in close contact with the surface of the portable terminal 1B is not in the vicinity of the feeding point, the portable terminal 1B estimates the movable range of the thumb and switches the antenna.
  • the mobile terminal 1 ⁇ / b> B selects at least one antenna used for communication with the communication device from the antennas 121 and 122 based on the gripping state, similarly to the mobile terminal 1.
  • the mobile terminal 1B uses an antenna whose surface in the vicinity of the feeding point is not covered with a hand, out of the two antennas 121 and 122, regardless of the attitude of the mobile terminal 1B (horizontal or vertical attitude). Use to communicate with communication equipment.
  • FIG. 15 is a flowchart for explaining the flow of processing in the mobile terminal 1B. In the following, differences from the flowchart shown in FIG. 8 will be mainly described.
  • portable terminal 1B (exactly CPU 101) determines in step S52 whether a part of the palm or the base of the thumb is in close contact with the surface of portable terminal 1B. to decide.
  • step S52 If it is determined that the portable terminal 1B is not in close contact (NO in step S52), the process proceeds to step S8.
  • step S54 it is determined whether or not the close contact region is in the vicinity of the feeding point of the antenna.
  • step S54 If portable terminal 1B determines that the power supply point is in the vicinity of the feeding point (YES in step S54), the process proceeds to step S8. If portable terminal 1B determines that it is not in the vicinity of the feeding point (NO in step S54), the process proceeds to step S6.
  • the above antenna selection process can be applied to an electronic device such as a smartphone that supports MIMO (multiple-input and multiple-output). That is, by combining two or more antennas from among a plurality of antennas, the bandwidth used for data transmission / reception can be expanded to apply the above antenna selection process to wireless communication.
  • the selection unit selects at least two or more antennas used for communication with the communication device from the plurality of antennas.
  • the movable region estimation unit 220 may estimate the movable areas of the index finger, the middle finger, the ring finger, and the little finger based on coordinate information, posture information, and the like from each sensor.
  • the selection unit 231 may be configured to select an antenna in consideration of the movable region of the thumb and the movable region of fingers other than the thumb.
  • a predetermined parallel movable distance is set from the current finger position, and the distance is set. It is good also as a movable area
  • the configuration of the mobile terminal including the back touch sensor 109 and the side touch sensor 110 has been described.
  • a mobile terminal including a grip sensor instead of these sensors 109 and 110 will be described.
  • the grip sensor is a sensor (tactile sensor) for detecting that the mobile terminal is gripped by the user.
  • FIG. 16 is a diagram for explaining a schematic configuration of the mobile terminal 1C according to the embodiment of the present invention.
  • FIG. 16A is a front view of the mobile terminal 1C.
  • FIG. 16B is a rear view of the mobile terminal 1C.
  • FIG. 16C is a side view of the mobile terminal 1C.
  • FIG. 16D is a cross-sectional view taken along the line II-II in FIG.
  • mobile terminal 1C includes touch screen 108 and operation keys 105 on the main surface.
  • the portable terminal 1C includes a camera 107 on the back surface.
  • the mobile terminal 1C includes grip sensors 191 to 194 on the periphery (two side portions) of the housing. Specifically, two grip sensors are disposed on each of two side surfaces facing each other among the four side surfaces of the mobile terminal 1C. The two side surfaces are side surfaces in the longitudinal direction of the mobile terminal 1C.
  • Each grip sensor 191 to 194 generates a predetermined signal when a force is applied.
  • the signal is sent to the CPU 101.
  • the user grips the portable terminal 1C with the right hand for example, when one finger is placed on one grip sensor 191, only one grip sensor 191 among the four grip sensors 191 to 194 generates the signal.
  • the portable terminal 1C includes a plurality of antennas 121 and 122 and a plurality of electronic circuits 131 to 134 in the housing 10 as in the portable terminal 1.
  • the portable terminal 1C selects one antenna from the antenna 121 and the antenna 122, and performs wireless communication with a communication device (other communication terminal, base station, etc.) not shown. That is, 1 C of portable terminals switch the antenna utilized for radio
  • FIG. A specific antenna selection method will be described later.
  • the portable terminal 1C displays the display when the posture of the portable terminal 1C changes from the horizontal posture to the vertical posture, or when the posture changes from the vertical posture to the horizontal posture. It has a screen rotation function that rotates the screen by 90 degrees.
  • the mobile terminal 1 ⁇ / b> C has the same hardware configuration as the mobile terminal 1. However, in the following description, it is assumed that the antenna 122 has better performance than the antenna 121.
  • FIG. 17 is a diagram illustrating a state where the user holds the mobile terminal 1C sideways.
  • state A represents a state in which the user grips the right end side of portable terminal 1 ⁇ / b> C in the landscape orientation (the side opposite to operation key 105 in the case of state A in FIG. 17) with the right hand.
  • FIG. State B is a diagram showing a state in which the user grips the left end side of the mobile terminal 1C in the landscape orientation with the left hand.
  • the hand (specifically, the base of the thumb) contacts the grip sensor 193.
  • the other grip sensors 191, 192, 194 are not touched by the hand. Therefore, only the grip sensor 193 generates a signal, and the remaining three grip sensors 191, 192, 194 do not generate a signal.
  • the mobile terminal 1C since the mobile terminal 1C is in the horizontal position, the surface (main surface, back surface, and side surface) of the mobile terminal 1C in the vicinity of the feeding point P1 of the antenna 121 may be covered with a hand. Further, since the portable terminal 1C is in the horizontal position and only the grip sensor 193 generates a signal, the portable terminal 1C can determine that the user is holding the portable terminal 1C with the right hand. For this reason, the mobile terminal 1 ⁇ / b> C performs wireless communication with the communication device using the antenna 122. That is, 1 C of portable terminals select the antenna 122 which can judge that the surface of the vicinity of a feeding point is not covered with the hand. In other words, the mobile terminal 1 ⁇ / b> C selects the antenna 122 located farther from the grip sensor 193 among the antennas 121 and 122.
  • the hand When transitioning from state A to state B, the hand (in detail, the base of the thumb) contacts the grip sensor 194.
  • the other grip sensors 191, 192 and 193 do not touch the hand. Therefore, only the grip sensor 194 generates a signal, and the remaining three grip sensors 191, 192, 193 do not generate a signal.
  • the mobile terminal 1C since the mobile terminal 1C is in the horizontal position, the surface (main surface, back surface, and side surface) of the mobile terminal 1C in the vicinity of the feeding point P2 of the antenna 122 may be covered with hands. Further, since the mobile terminal 1C is in the horizontal position and only the grip sensor 194 generates a signal, the mobile terminal 1C can determine that the user is holding the mobile terminal 1C with the left hand. For this reason, the mobile terminal 1 ⁇ / b> C performs wireless communication with the communication device using the antenna 121. That is, 1 C of portable terminals select the antenna 121 which can be judged that the surface of the vicinity of a feeding point is not covered with the hand. In other words, the mobile terminal 1 ⁇ / b> C selects the antenna 121 located farther from the grip sensor 194 among the antennas 121 and 122.
  • FIG. 18 is a diagram illustrating a state in which the user holds the mobile terminal 1C vertically.
  • state A is a diagram showing a state in which the user grips the right end side of portable terminal 1 ⁇ / b> C in the vertical orientation with the right hand.
  • state B is a diagram showing a state in which the user holds the left end side of the portable terminal 1C in the vertical orientation with the left hand.
  • the hand (specifically, the base of the thumb) contacts the grip sensor 194.
  • the other grip sensors 191, 192 and 193 do not touch the hand. Therefore, only the grip sensor 194 generates a signal, and the remaining three grip sensors 191, 192, 193 do not generate a signal.
  • the mobile terminal 1C since the mobile terminal 1C is in the vertical position, the surface (main surface, back surface, and side surface) of the mobile terminal 1C in the vicinity of the feeding point P2 of the antenna 122 may be covered with hands. Further, since the mobile terminal 1C is in the vertical position and only the grip sensor 194 generates a signal, the mobile terminal 1C can determine that the user is holding the mobile terminal 1C with the right hand. For this reason, the mobile terminal 1 ⁇ / b> C performs wireless communication with the communication device using the antenna 121. That is, 1 C of portable terminals select the antenna 121 which can be judged that the surface of the vicinity of a feeding point is not covered with the hand. In other words, the mobile terminal 1 ⁇ / b> C selects the antenna 121 located farther from the grip sensor 194 among the antennas 121 and 122.
  • the hand (specifically, the base of the thumb) contacts the grip sensor 192.
  • the other grip sensors 191, 193, 194 are not touched by the hand. Therefore, only the grip sensor 192 generates a signal, and the remaining three grip sensors 191, 193, 194 do not generate a signal.
  • the portable terminal 1C since the portable terminal 1C is in the vertical position and only the grip sensor 192 generates a signal, the portable terminal 1C can determine that the user is holding the portable terminal 1C with the left hand. Further, since the portable terminal 1C is in the vertical position, the portable terminal 1C can determine that the surface of the antenna 121 near the feeding point P1 and the surface of the antenna 122 near the feeding point P2 are not covered with hands. Furthermore, as described above, the performance of the antenna 122 is better than that of the antenna 121.
  • the mobile terminal 1 ⁇ / b> C performs wireless communication with the communication device using the antenna 122. That is, 1 C of portable terminals select the antenna 122 with good antenna performance from the antennas 121 and 122 which can be judged that the surface in the vicinity of the feeding point is not covered with the hand.
  • the mobile terminal 1C selects at least one antenna used for communication with the communication device from the antennas 121 and 122 based on the gripping state. Specifically, in the same manner as the mobile terminal 1, the mobile terminal 1 ⁇ / b> C has a surface near the feeding point of the two antennas 121 and 122, regardless of the orientation of the mobile terminal 1 ⁇ / b> C (lateral orientation or vertical orientation). Communicate with a communication device using an uncovered antenna.
  • the mobile terminal 1C can communicate with the communication device using the antenna having the better communication performance (communication quality).
  • FIG. 19 is a diagram for explaining a functional configuration of the mobile terminal 1C.
  • the mobile terminal 1C includes a touch screen 108, an acceleration sensor 111, a wireless communication IF 112, an antenna 121, an antenna 122, grip sensors 191 to 194, a control unit 200A, and a storage unit 300.
  • the portable terminal 1 according to the first embodiment is different from the portable terminal 1 of the first embodiment in that grip sensors 191 to 194 are provided instead of the back touch sensor 109 and the side touch sensor 110 and a control unit 200A is provided instead of the control unit 200. Is different.
  • Control unit 200A includes a state detection unit 210A, a communication control unit 230, and a display control unit 240.
  • 200 A of control parts differ from the portable terminal 1 of Embodiment 1 in the point which does not include the movable region estimation part 220, and the point provided with the state detection part 210A instead of the state detection part 210.
  • FIG. 1 A of control parts differ from the portable terminal 1 of Embodiment 1 in the point which does not include the movable region estimation part 220, and the point provided with the state detection part 210A instead of the state detection part 210.
  • the state detection unit 210A detects the gripping state of the mobile terminal 1C by the user based on the output signals from the grip sensors 191 to 194.
  • FIG. 20 is a flowchart for explaining the flow of processing in the mobile terminal 1C.
  • portable terminal 1 ⁇ / b> C (specifically CPU 101) detects a gripping state of portable terminal 1 ⁇ / b> C by the user in step S ⁇ b> 4 ⁇ / b> A after a positive determination is made in step S ⁇ b> 2.
  • the portable terminal 1C advances the process to step S8 after step S4A. Since each process in steps S2, 8, 10, and 12 has been described based on FIG. 8, it will not be repeated here.
  • FIG. 21 is a flowchart for explaining details of the process in step S4A in FIG.
  • CPU 101 determines the attitude of portable terminal 1C based on the output from acceleration sensor 111.
  • the CPU 101 determines one or more grip sensors with which the user's hand is in contact based on output signals from the grip sensors 191 to 194.
  • the CPU 101 determines whether the hand holding the mobile terminal 1 is the left hand or the right hand based on the attitude of the mobile terminal 1C and information on the grip sensor with which the user is in contact. .

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Telephone Function (AREA)
  • Radio Transmission System (AREA)
  • Transceivers (AREA)

Abstract

Dans la présente invention, un terminal mobile (1) qui consiste en un instrument électronique de type mobile communique sans fil avec un équipement de communication. Le terminal mobile (1) est doté d'une pluralité d'antennes. Le terminal mobile (1) détecte l'état de saisie du terminal mobile (1). Sur la base de l'état de saisie détecté, le terminal mobile (1) sélectionne au moins une antenne, parmi la pluralité d'antennes, à utiliser dans des communications avec l'équipement de communication. Le terminal mobile (1) utilise l'antenne sélectionnée pour communiquer sans fil avec l'équipement de communication. Le terminal mobile (1) permet la sélection d'une antenne présentant de bonnes performances de communication, parmi la pluralité d'antennes.
PCT/JP2014/069889 2013-08-06 2014-07-29 Instrument électronique WO2015019894A1 (fr)

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EP3896563A4 (fr) * 2018-12-29 2022-01-19 ZTE Corporation Procédé et dispositif d'ajustement de position tactile, support de stockage et dispositif électronique

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