CN103384025A - Electronic device and control method thereof - Google Patents

Electronic device and control method thereof Download PDF

Info

Publication number
CN103384025A
CN103384025A CN2012101334918A CN201210133491A CN103384025A CN 103384025 A CN103384025 A CN 103384025A CN 2012101334918 A CN2012101334918 A CN 2012101334918A CN 201210133491 A CN201210133491 A CN 201210133491A CN 103384025 A CN103384025 A CN 103384025A
Authority
CN
China
Prior art keywords
antenna element
adjustable antenna
human body
switchs
electronic installation
Prior art date
Legal status (The legal status 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 status listed.)
Pending
Application number
CN2012101334918A
Other languages
Chinese (zh)
Inventor
林敬基
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Acer Inc
Original Assignee
Acer Inc
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 Acer Inc filed Critical Acer Inc
Priority to CN2012101334918A priority Critical patent/CN103384025A/en
Publication of CN103384025A publication Critical patent/CN103384025A/en
Pending legal-status Critical Current

Links

Images

Landscapes

  • Support Of Aerials (AREA)

Abstract

Provided is an electronic device and a control method thereof. The electronic device comprises a sensor plate, a proximity sensor, a controller and an adjustable antenna element. The proximity sensor is coupled to the sensor plate and is used for detecting a capacitance value between the human body and the sensor plate. The controller is coupled to the proximity sensor and generates a first control signal according to the capacitance value. The adjustable antenna element is coupled to the controller and comprises a main radiating part, a plurality of adjusting parts and a plurality of switchers. The switchers are respectively coupled between the adjusting parts and the main radiating part, and selectively connect or do not connect the adjusting parts and the main radiating part according to the control signal so as to correct an operation frequency band of the adjustable antenna element. When the human body is close to the electronic device, the electronic device can correct the operation frequency band according to the position of the human body so as to maintain good communication quality.

Description

Electronic installation and control method thereof
Technical field
The present invention relates to a kind of electronic installation and control method thereof, relate in particular to and to proofread and correct the electronic installation of (Retune) operational frequency bands according near the position of human body.
Background technology
The embedded Antenna Design of the normal employing of traditional panel computer or smart mobile phone.Because the inner space of mobile device is limited, some manufacturers adopt concealed antenna, and other manufacturers utilize the casing of mobile device to be used as the part of antenna.
Yet the impact of human body contact mobile device is difficult to avoid really., just changed antenna resonance mode and radiation characteristic originally fully, thereby caused communication quality to descend during to the radiant body of antenna when people's palm or finger contact.
Summary of the invention
In order to overcome the above problems, the invention provides a kind of electronic installation and control method thereof.When the human body proximity electronic installation, electronic installation can come the correct operation frequency band according to the position of human body, to keep good communication quality.
The invention provides a kind of electronic installation, comprising: a sensory panel; One closes on sensor, is coupled to this sensory panel, and in order near the human body detecting and the capacitance between this sensory panel; One controller is coupled to this and closes on sensor, and produces a control signal according to this capacitance; And an adjustable antenna element, be coupled to this controller, and comprise: a primary radiation part; A plurality of adjustment parts; And a plurality of switchs, be respectively coupled between described a plurality of adjustment part and this primary radiation part, and according to optionally conducting or the not conducting respectively of this control signal, to proofread and correct an operational frequency bands of this adjustable antenna element.
In addition, the invention provides the method for an adjustable antenna element of a kind of control one electronic installation, comprise the following steps: to provide this adjustable antenna element, this adjustable antenna element comprises a primary radiation part, a plurality of adjustment part, and a plurality of switchs, wherein said a plurality of switchs are respectively coupled between described a plurality of adjustment part and this primary radiation part; Near detecting a human body and the capacitance between this adjustable antenna element; And distinguish optionally conducting or the described a plurality of switchs of not conducting according to this capacitance, to proofread and correct an operational frequency bands of this adjustable antenna element.
When the human body proximity electronic installation, the present invention can come the correct operation frequency band according to the position of human body, to keep good communication quality.
Description of drawings
Fig. 1 shows the schematic diagram of electronic installation described according to one embodiment of the invention and near human body;
Fig. 2 shows the schematic diagram that close on sensor and controller described according to one embodiment of the invention;
Fig. 3 shows the schematic diagram of adjustable antenna element described according to one embodiment of the invention;
Fig. 4 shows the schematic diagram of adjustable antenna element described according to another embodiment of the present invention;
Fig. 5 A shows the schematic diagram according to the described Circuit tuning of one embodiment of the invention;
Fig. 5 B shows the schematic diagram according to the described Circuit tuning of another embodiment of the present invention;
Fig. 6 shows the flow chart according to the control method of the adjustable antenna element of the described electronic installation of one embodiment of the invention.
Wherein, description of reference numerals is as follows:
100~electronic installation;
110~sensory panel;
120~close on sensor;
122~universal I/O Interface;
130~controller;
150~adjustable antenna element;
152~primary radiation part;
154~switch;
156~adjustment part;
310~diode;
320~sheet metal;
420~Circuit tuning;
421~inductor;
422~capacitor;
C1~capacitance;
HB~human body;
SC~control signal;
VSS~earthing potential.
Embodiment
Fig. 1 shows the schematic diagram of electronic installation 100 described according to one embodiment of the invention and near human body HB.Within electronic installation 100 can be arranged at a mobile device, for example: smart mobile phone, panel computer, or notebook computer.As shown in Figure 1, electronic installation 100 comprises: a sensory panel (SensingPad) 110, closes on sensor (Proximity Sensor) 120, one controller 130, and an adjustable antenna element 150.Sensory panel 110 available metals are made.Because human body HB can be considered a conductor, therefore sensory panel 110 and near human body HB can form a virtual capacitor, wherein a capacitance C1 of this virtual capacitor determines according to the distance between sensory panel 110 and human body HB.When human body HB near or during away from sensory panel 110, the radiation characteristic of the adjustable antenna element 150 of electronic installation 100 may change.Therefore, be necessary the operational frequency bands of the adjustable antenna element 150 of electronic installation 100 is proofreaied and correct.
Close on sensor 120 and be electrically coupled to sensory panel 110, and in order to the capacitance C1 between human body HB and sensory panel 110.Controller 130 is electrically coupled to and closes on sensor 120, and produces a control signal SC according to capacitance C1.Adjustable antenna element 150 is electrically coupled to controller 130.In one embodiment, adjustable antenna element 150 comprises: a primary radiation part 152, a plurality of switch 154, and a plurality of adjustment part 156.Primary radiation part 150 can be a large-area metallic plate.Described a plurality of switch 154 is electrically coupled to respectively between described a plurality of adjustment part 156 and primary radiation part 152, and according to control signal SC optionally conducting (Closed) or not conducting (Open) respectively, to proofread and correct an operational frequency bands of adjustable antenna element 150.
In the preferred embodiment of the present invention, electronic installation 100 operates in the following manner.As human body HB away from sensory panel 110, or when the capacitance C1 that detects descends, controller 130 makes the whole conductings of described a plurality of switch 154 (for example: have 5 switchs 154, wherein 5 equal conductings of order), makes the operational frequency bands of adjustable antenna element 150 toward the low frequency skew.On the contrary, when the close sensory panel 110 of human body HB, or when the capacitance C1 that detects rises, part or all not conducting that controller 130 makes described a plurality of switch 154 (for example: have 5 switchs 154, wherein 3 or 5 not conductings of order), make the operational frequency bands of adjustable antenna element 150 toward high frequency offset.Via controlling described a plurality of switchs 154, electronic installation 100 of the present invention can be according to the diverse location of human body HB near and correct operation frequency band automatically, to keep good communication quality.
Fig. 2 shows the schematic diagram that close on sensor 120 and controller 130 described according to one embodiment of the invention.In the present embodiment, close on sensor 120 and comprise a universal input and output (General PurposeInput/Output, GPIO) interface 122, and controller 130 is obtained capacitance C1 by universal I/O Interface 122, and for example: the form with voltage signal obtains.
Fig. 3 shows the schematic diagram of adjustable antenna element 150 described according to one embodiment of the invention.In the present embodiment, described a plurality of switchs 154 of adjustable antenna element 150 are a plurality of diodes (Diode) 310, and described a plurality of adjustment parts of adjustable antenna element 150 are a plurality of sheet metals 320.Described a plurality of diode 310 can be electrically coupled to respectively controller 130, and according to control signal SC optionally conducting or not conducting respectively.In other embodiments, described a plurality of switchs 154 of adjustable antenna element 150 also can be a plurality of mos field effect transistor (Metal-Oxide-SemiconductorField-Effect Transistor, MOSFET), and described a plurality of mos field effect transistor have respectively a grid that is coupled to controller 130.
Fig. 4 shows the schematic diagram of adjustable antenna element 150 described according to another embodiment of the present invention.In the present embodiment, described a plurality of switchs of adjustable antenna element 150 are a plurality of diodes 310, and described a plurality of adjustment parts of adjustable antenna element 150 are a plurality of Circuit tunings 420.Described a plurality of Circuit tuning 420 can comprise respectively one or more capacitor or (and) inductor.
Fig. 5 A shows the schematic diagram of Circuit tuning 420 described according to one embodiment of the invention.As shown in Fig. 5 A, each Circuit tuning 420 can comprise an inductor 421 and a capacitor 422, and it is coupled in parallel, and also is electrically coupled to an earthing potential VSS.Fig. 5 B shows the schematic diagram of Circuit tuning 420 described according to another embodiment of the present invention.As shown in Fig. 5 B, each Circuit tuning 420 can comprise an inductor 421 and a capacitor 422, and it is coupled in series, and also is electrically coupled to an earthing potential VSS.It should be noted that although Fig. 5 A, Fig. 5 B only show single inductor 421 and Single Capacitance device 422, in fact each Circuit tuning 420 can comprise more inductor or (and) capacitor.
Fig. 6 shows the flow chart according to the control method of the adjustable antenna element of the described electronic installation of one embodiment of the invention.At first begin, at step S610, provide an adjustable antenna element, this adjustable antenna element comprises a primary radiation part, a plurality of adjustment part, and a plurality of switch, and wherein said a plurality of switchs are electrically coupled to respectively between described a plurality of adjustment part and this primary radiation part.At step S620, near the human body detecting and the capacitance between this adjustable antenna element.At last, at step S630, distinguish optionally conducting or the described a plurality of switchs of not conducting according to this capacitance, to proofread and correct an operational frequency bands of this adjustable antenna element.
In certain embodiments, this control method also comprises the following steps.During away from this adjustable antenna element, with the whole conductings of described a plurality of switchs, make this operational frequency bands of this adjustable antenna element toward the low frequency skew when this human body.On the contrary, when this adjustable antenna element of this human body approach, with part or all not conducting of described a plurality of switchs, make this operational frequency bands of this adjustable antenna element toward high frequency offset.All the other features of this control method are not repeated with described electronic installation and adjustable antenna element thereof are similar before.
Though the present invention discloses as above with preferred embodiment; so it is not to limit scope of the present invention; any those of ordinary skills; without departing from the spirit and scope of the present invention; when can do a little change and retouching, so protection scope of the present invention is as the criterion when looking appended the scope that claim defines.

Claims (10)

1. electronic installation comprises:
One sensory panel;
One closes on sensor, is coupled to this sensory panel, and in order near the human body detecting and the capacitance between this sensory panel;
One controller is coupled to this and closes on sensor, and produces a control signal according to this capacitance; And
One adjustable antenna element is coupled to this controller, and comprises:
One primary radiation part;
A plurality of adjustment parts; And
A plurality of switchs are respectively coupled between described a plurality of adjustment part and this primary radiation part, and according to optionally conducting or the not conducting respectively of this control signal, to proofread and correct an operational frequency bands of this adjustable antenna element.
2. electronic installation as claimed in claim 1, wherein this vicinity sensor comprises a universal I/O Interface, and this controller is obtained this capacitance by this universal I/O Interface.
3. electronic installation as claimed in claim 1, wherein said a plurality of switchs are a plurality of diodes or a plurality of mos field effect transistor.
4. electronic installation as claimed in claim 1, wherein said a plurality of adjustment parts are a plurality of sheet metals.
5. electronic installation as claimed in claim 1, wherein said a plurality of adjustment parts are a plurality of Circuit tunings, and described a plurality of Circuit tuning comprises respectively one or more capacitors or inductor.
6. electronic installation as claimed in claim 1, wherein:
During away from this sensory panel, the whole conductings of described a plurality of switchs make this operational frequency bands of this adjustable antenna element toward the low frequency skew when this human body; And
When this sensory panel of this human body approach, part or all not conducting of described a plurality of switchs makes this operational frequency bands of this adjustable antenna element toward high frequency offset.
7. a method of controlling an adjustable antenna element of an electronic installation, comprise the following steps:
This adjustable antenna element is provided, and this adjustable antenna element comprises a primary radiation part, a plurality of adjustment part, and a plurality of switch, and wherein said a plurality of switchs are respectively coupled between described a plurality of adjustment part and this primary radiation part;
Near detecting a human body and the capacitance between this adjustable antenna element; And
Distinguish optionally conducting or the described a plurality of switchs of not conducting according to this capacitance, to proofread and correct an operational frequency bands of this adjustable antenna element.
8. control method as claimed in claim 7, wherein said a plurality of adjustment parts are a plurality of sheet metals.
9. control method as claimed in claim 7, wherein said a plurality of adjustment parts are a plurality of Circuit tunings, and described a plurality of Circuit tuning comprises respectively one or more capacitors or inductor.
10. control method as claimed in claim 7 also comprises:
During away from this adjustable antenna element, with the whole conductings of described a plurality of switchs, make this operational frequency bands of this adjustable antenna element toward the low frequency skew when this human body; And
When this adjustable antenna element of this human body approach, with part or all not conducting of described a plurality of switchs, make this operational frequency bands of this adjustable antenna element toward high frequency offset.
CN2012101334918A 2012-05-02 2012-05-02 Electronic device and control method thereof Pending CN103384025A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2012101334918A CN103384025A (en) 2012-05-02 2012-05-02 Electronic device and control method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2012101334918A CN103384025A (en) 2012-05-02 2012-05-02 Electronic device and control method thereof

Publications (1)

Publication Number Publication Date
CN103384025A true CN103384025A (en) 2013-11-06

Family

ID=49491765

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2012101334918A Pending CN103384025A (en) 2012-05-02 2012-05-02 Electronic device and control method thereof

Country Status (1)

Country Link
CN (1) CN103384025A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104811177A (en) * 2015-04-17 2015-07-29 威海市泓淋电子有限公司 Proximity sensing device and working band adjusting radio frequency system with self adaptability
CN105991152A (en) * 2015-03-06 2016-10-05 神讯电脑(昆山)有限公司 Electronic device
WO2019184748A1 (en) * 2018-03-31 2019-10-03 Oppo广东移动通信有限公司 Electronic device
CN112073072A (en) * 2019-06-10 2020-12-11 三星电子株式会社 Electronic device including frequency selection circuit connected to antenna and control method thereof

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1232325A (en) * 1998-02-09 1999-10-20 日本电气株式会社 Portable radio device
KR20050067297A (en) * 2003-12-27 2005-07-01 엘지전자 주식회사 Method and apparatus of minimize body effect for mobile phone antenna
US20070238496A1 (en) * 2006-03-28 2007-10-11 Samsung Electronics Co., Ltd. Versatile system for adaptive mobile station antenna
US7477198B2 (en) * 2006-02-15 2009-01-13 Fujitsu Limited Antenna apparatus and radio communication apparatus
JP2011055428A (en) * 2009-09-04 2011-03-17 Murata Mfg Co Ltd Antenna device
TW201214864A (en) * 2010-09-14 2012-04-01 Compal Electronics Inc Electronic device and control method thereof

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1232325A (en) * 1998-02-09 1999-10-20 日本电气株式会社 Portable radio device
KR20050067297A (en) * 2003-12-27 2005-07-01 엘지전자 주식회사 Method and apparatus of minimize body effect for mobile phone antenna
US7477198B2 (en) * 2006-02-15 2009-01-13 Fujitsu Limited Antenna apparatus and radio communication apparatus
US20070238496A1 (en) * 2006-03-28 2007-10-11 Samsung Electronics Co., Ltd. Versatile system for adaptive mobile station antenna
JP2011055428A (en) * 2009-09-04 2011-03-17 Murata Mfg Co Ltd Antenna device
TW201214864A (en) * 2010-09-14 2012-04-01 Compal Electronics Inc Electronic device and control method thereof

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105991152A (en) * 2015-03-06 2016-10-05 神讯电脑(昆山)有限公司 Electronic device
CN105991152B (en) * 2015-03-06 2018-11-06 神讯电脑(昆山)有限公司 Electronic device
CN104811177A (en) * 2015-04-17 2015-07-29 威海市泓淋电子有限公司 Proximity sensing device and working band adjusting radio frequency system with self adaptability
WO2019184748A1 (en) * 2018-03-31 2019-10-03 Oppo广东移动通信有限公司 Electronic device
CN112073072A (en) * 2019-06-10 2020-12-11 三星电子株式会社 Electronic device including frequency selection circuit connected to antenna and control method thereof
US11374319B2 (en) 2019-06-10 2022-06-28 Samsung Electronics Co., Ltd Electronic device including frequency-selective circuit connected to antenna and control method thereof

Similar Documents

Publication Publication Date Title
US10050332B2 (en) Antenna device and electronic device including the same
EP3375040B1 (en) Electronic device with metal frame antenna
KR102138910B1 (en) Electronic device with ring type antenna
CN108511905B (en) Antenna system and mobile terminal
CN105633547B (en) Antenna and electronic device including the same
CN107851887B (en) Electronic device and method of operating electronic device
KR102151056B1 (en) Antenna and Electronic Devices comprising the Same
US20150022403A1 (en) Mobile device and antenna structure therein
US20130310106A1 (en) Proximity detection device and mobile terminal
US9088067B2 (en) Communication device and tunable antenna element therein
TW201227472A (en) Proximity sensor assembly and electronic device using same
CN103384025A (en) Electronic device and control method thereof
EP3101731B1 (en) Multiband antenna and electronic device including the same
US20160149291A1 (en) Antenna and electronic device including the same
JP5355741B2 (en) Wireless terminal device
US20160056535A1 (en) Multiband antenna
CN103701182A (en) Charger, electronic equipment and charging system
TWI515963B (en) Antenna module and method for adjusting radiation efficiency of antenna module
KR20190038023A (en) Electronic device for grip sensing and method for operating thereof
US10014568B2 (en) Mobile communication device
CN106033979A (en) Communication device
US9014652B2 (en) Mobile communication device
TW201345041A (en) Electronic device and control method thereof
KR20120033904A (en) A portable terminal having keypad
US8416220B2 (en) Semiconductor device

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C02 Deemed withdrawal of patent application after publication (patent law 2001)
WD01 Invention patent application deemed withdrawn after publication

Application publication date: 20131106