CN105785757B - Wrist-watch antenna assembly and electronic watch - Google Patents
Wrist-watch antenna assembly and electronic watch Download PDFInfo
- Publication number
- CN105785757B CN105785757B CN201610272950.9A CN201610272950A CN105785757B CN 105785757 B CN105785757 B CN 105785757B CN 201610272950 A CN201610272950 A CN 201610272950A CN 105785757 B CN105785757 B CN 105785757B
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- Prior art keywords
- wrist
- antenna assembly
- watch
- metal frame
- capacitance
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Classifications
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- G—PHYSICS
- G04—HOROLOGY
- G04R—RADIO-CONTROLLED TIME-PIECES
- G04R60/00—Constructional details
- G04R60/06—Antennas attached to or integrated in clock or watch bodies
-
- 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
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Support Of Aerials (AREA)
- Electric Clocks (AREA)
- Details Of Aerials (AREA)
Abstract
The invention discloses a kind of wrist-watch antenna assembly and electronic watch.The wrist-watch antenna assembly includes：Metal frame, pcb board and modal cutoff circuit, wherein, pcb board has metal layer, and formed with the gap for gap radiation between pcb board and metal frame；And the modal cutoff circuit is for the radiation mode of exciting radiation signal on metal frame and pcb board and its circuit of degenerate mode and is connected between the distributing point in the signal input of metal frame feed signal and metal frame.Compared with prior art, wrist-watch antenna assembly according to an embodiment of the invention being capable of spread spectrum bandwidth.The purposes of the present invention is the antenna assembly of intelligent watch.
Description
Technical field
The present invention relates to antenna technology, more particularly, to a kind of wrist-watch antenna assembly and electronic watch.
Background technology
With the development of wireless communication technique, antenna technology also develops by leaps and bounds.Support the equipment of wireless communication increasingly
Diversification.In recent years, wearable device is increasingly subject to the favor of user.The application of intelligent watch is especially extensive, and increasingly by
Favor to user.
In general, intelligent watch is the accessory of the mobile equipment such as mobile phone, it can not independently realize call or with interconnection
Network data exchanges.But for example, user it is expected that intelligent watch can independently carry out wireless communication, in order to follow the trail of children's
Whereabouts, carry out emergency call etc..Therefore, people, which begin one's study, can carry out the intelligent hand that independent call is exchanged with internet data
Table.
In the prior art, the intelligent watch that can independently converse generally uses plastic shell.Call antenna is embedded in
In plastic stent.Many people are more demanding to the appearance material of intelligent watch.They generally pursue the appearance of metal-like.So
And influence of the metal-back of intelligent watch to antenna of conversing is very big.Therefore, present intelligent watch, which can only be realized, passes through WIFI
It is connected with mobile phone, to converse, they can not leave mobile phone and realize independent call and data exchange.
Realizing that a kind of mode independently conversed is that call antenna is embedded in hand by metal-back antenna in intelligent watch
In table wrist strap.Wrist-watch wrist strap uses plastics or leather substance.In this way, the metal-back of intelligent watch will not shielded antenna signal amplitude
Penetrate.But a shortcoming of this mode is that wrist-watch wrist strap is harder.In addition, the thickness of this wrist-watch wrist strap is about 7mm.It
Pliability is poor, can not be made frivolous, and this wrist-watch wrist strap is non-exchange.
In addition, someone also attempts the metal-back of wrist-watch being used as aerial radiation.But this is a new research field.
In the prior art, GPS, WIFI antenna are only realized in this way.More change therefore, it is also desirable to be made to this technology
Into.
Therefore, it is necessary to be improved to the prior art, to solve at least one technical problem of the prior art.
The content of the invention
It is an object of the present invention to provide a kind of new solution of wrist-watch antenna assembly.
According to the first aspect of the invention, there is provided a kind of wrist-watch antenna assembly, including：Metal frame, pcb board and pattern point
From circuit.The pcb board has metal layer, and formed with the gap for gap radiation between pcb board and metal frame.The mould
Formula split circuit is for the radiation mode of exciting radiation signal on metal frame and pcb board and its circuit of degenerate mode and is connected
It is connected on between the distributing point in the signal input of metal frame feed signal and metal frame.
Preferably, the metal frame is without slotting and have an earth point, and the distributing point and earth point it is opposite
In the scope of the angle at the center of the metal frame be 25 ° to 35 °.
Preferably, the metal frame only has a fluting, and the distributing point and the fluting relative to the gold
The scope for belonging to the angle at the center of frame is 55 ° to 65 °
Preferably, the metal frame is circular ring shape, and the center of the metal frame is circle ring center.
Preferably, the signal input is on the pcb board.
Preferably, the modal cutoff circuit is located on the pcb board.
Preferably, the modal cutoff circuit is inductance capacitance combinational circuit.
Preferably, the modal cutoff circuit includes the first capacitance, the second capacitance and the first inductance, and the first of the first capacitance
End is connected with signal input, the second end of the first capacitance and the first end of the second capacitance and the first end phase of the first inductance
Even, the second end ground connection of the second capacitance, the second end of the first inductance are connected with the distributing point.
Preferably, the capacitance value range of the first capacitance and the second capacitance is 0.5-2pF, and the inductance value range of the first inductance is
0.5-10nH。
According to the second aspect of the invention, there is provided a kind of electronic watch, including wrist-watch antenna assembly according to the present invention,
For sending and receiving signal.
Compared with prior art, wrist-watch antenna assembly of the invention can excite more antenna radiation patterns, so as to produce
Raw wider spectral bandwidth.
By referring to the drawings to the present invention exemplary embodiment detailed description, further feature of the invention and its
Advantage will be made apparent from.
Brief description of the drawings
It is combined in the description and the attached drawing of a part for constitution instruction shows the embodiment of the present invention, and even
It is used to explain the principle of the present invention together with its explanation.
Fig. 1 is the schematic diagram of according to an embodiment of the invention 1 wrist-watch antenna assembly.
Fig. 2 is the schematic circuit diagram of modal cutoff circuit according to the present invention.
Fig. 3 is the schematic diagram of the return loss of according to an embodiment of the invention 1 wrist-watch antenna assembly.
Fig. 4 is the schematic diagram of the CURRENT DISTRIBUTION of according to an embodiment of the invention 1 low-frequency resonant frequency.
Fig. 5 is the signal of the CURRENT DISTRIBUTION of the high-frequency resonant frequency for the wrist-watch antenna assembly for not including modal cutoff circuit
Figure.
Fig. 6 is the CURRENT DISTRIBUTION for the 1 high-frequency resonant frequency according to an embodiment of the invention for including modal cutoff circuit
Schematic diagram.
Fig. 7 is the electricity for the degenerate mode of 1 high-frequency resonant frequency according to an embodiment of the invention for including modal cutoff circuit
The schematic diagram of flow distribution.
Fig. 8 is the schematic diagram of according to an embodiment of the invention 2 wrist-watch antenna assembly.
Fig. 9 is the schematic diagram of the return loss of according to an embodiment of the invention 2 wrist-watch antenna assembly.
Figure 10 is the signal of the CURRENT DISTRIBUTION of the high-frequency resonant frequency for the wrist-watch antenna assembly for not including modal cutoff circuit
Figure.
Figure 11 is the CURRENT DISTRIBUTION for the 2 high-frequency resonant frequency according to an embodiment of the invention for including modal cutoff circuit
Schematic diagram.
Figure 12 is the electricity for the degenerate mode of 1 high-frequency resonant frequency according to an embodiment of the invention for including modal cutoff circuit
The schematic diagram of flow distribution.
Embodiment
Carry out the various exemplary embodiments of detailed description of the present invention now with reference to attached drawing.It should be noted that：Unless in addition have
Body illustrates that the unlimited system of component and the positioned opposite of step, numerical expression and the numerical value otherwise illustrated in these embodiments is originally
The scope of invention.
The description only actually at least one exemplary embodiment is illustrative to be never used as to the present invention below
And its application or any restrictions that use.
It may be not discussed in detail for technology, method and apparatus known to person of ordinary skill in the relevant, but suitable
In the case of, the technology, method and apparatus should be considered as part for specification.
In shown here and discussion all examples, any occurrence should be construed as merely exemplary, without
It is as limitation.Therefore, other examples of exemplary embodiment can have different values.
It should be noted that：Similar label and letter represents similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined, then it need not be further discussed in subsequent attached drawing in a attached drawing.
Fig. 1 shows the schematic diagram of according to an embodiment of the invention 1 wrist-watch antenna assembly.
As shown in Figure 1, the wrist-watch antenna assembly includes：Metal frame 11 and pcb board 12.In addition, the wrist-watch can also include
Battery 13, to power for wrist-watch.Alternatively, which can also power by other means, for example, by solar powered
Deng.
The pcb board 12 has metal layer.Formed with the gap 14 for gap radiation between pcb board and metal frame.
In this embodiment, the wrist-watch antenna assembly further includes modal cutoff circuit.The modal cutoff circuit is to use
In the radiation mode of exciting radiation signal and its circuit of degenerate mode on metal frame 11 and pcb board 12.It is connected to gold
Between distributing point 20 in the signal input of category frame feed signal and metal frame.For example, the signal input can be positioned at described
On pcb board.Modal cutoff circuit can be disposed in circuit that on the pcb board or one is separately provided (for example,
It is arranged on other pcb board).
The modal cutoff circuit can be inductance capacitance combinational circuit.Fig. 2 shows modal cutoff according to the present invention
The schematic circuit diagram of circuit.
As shown in Fig. 2, modal cutoff circuit includes the first capacitance 21, the second capacitance 22 and the first inductance 23.First capacitance
21 first end 211 is connected with signal input.The first end 221 of 212 and second capacitance 22 of second end of first capacitance 21
It is connected with the first end 231 of the first inductance 23.The second end 222 of second capacitance 22 is grounded.The second end 232 of first inductance 23 with
The distributing point 20 is connected.It should be appreciated by those skilled in the art " first " described herein, " second " etc. are only
For the ease of description, and it is not to be construed as the limitation to circuit position relation.
It can be arranged as required to the value of inductance and capacitance.For example, in this example, the electricity of the first capacitance and the second capacitance
Capacitance scope is 0.5-2pF, and the inductance value range of the first inductance is 0.5-10nH.
In this embodiment, the metal frame 11 is without fluting.The metal frame 11 also has earth point 30.It is described
Metal frame is circular ring shape.The center of the metal frame is circle ring center.
In one example, the distributing point 20 and earth point 30 are relative to the angle theta at the center of the metal frame 11
Scope is 25 ° to 35 °, is preferably 30 °.Pass through this setup, the exciting radiation pattern and degenerate mode of wrist-watch antenna assembly
Between discrimination it is preferable, while the effect of impedance matching is also preferable.
In general, the gap radiation in gap 14 can be utilized to produce the radiation signal of lower frequency.Metal can be passed through
Frame 11 and pcb board 12 produce the radiation signal of upper frequency.Therefore, gap 14 can be used as low frequency cell, and 11 He of metal frame
Pcb board 12 can do high frequency unit.For in terms of this, modal cutoff circuit can be used as high frequency mode split circuit, use
In providing radiation mode signal and its degenerate mode signal for the high frequency unit.It will be appreciated by those skilled in the art that herein,
" low frequency " and " high frequency " refers to relative position of the resonant frequency on frequency spectrum, therefore, and is properly termed as " compared with low frequency " and " higher
Frequently ".
Fig. 3-Fig. 7 shows the result obtained by being tested the antenna assembly shown in Fig. 1.
Fig. 3 shows showing for return loss characteristic (the S11 characteristics) of according to an embodiment of the invention 1 wrist-watch antenna assembly
It is intended to, wherein, which includes modal cutoff circuit according to the present invention.In order to be compared, Fig. 3, which is also shown, not to be wrapped
Include the return loss characteristic of the wrist-watch antenna assembly of modal cutoff circuit.
In figure 3, block curve represents the return loss characteristic for not including the wrist-watch antenna assembly of modal cutoff circuit, with
And dashed curve represents the return loss characteristic according to the wrist-watch antenna assembly for including modal cutoff circuit.51 represent not include mould
The low-frequency resonant frequency of the antenna assembly of formula split circuit.52 represent the harmonic high frequency of the not antenna assembly including modal cutoff circuit
Vibration frequency.53 expressions include the high-frequency resonant frequency of the antenna assembly of modal cutoff circuit.54 represent the high-frequency resonant shown in 53
The degenerate mode resonant frequency of frequency.55 expressions include the low-frequency resonant frequency of the antenna assembly of modal cutoff circuit.Can by Fig. 3
Find out, modal cutoff circuit make it that the high frequency bandwidth extension of wrist-watch antenna assembly is more than 2 times of original bandwidth, and it is to low frequency
Influence smaller.More resonant frequencies can be produced than the prior art by using modal cutoff circuit, so that spread bandwidth.
Fig. 4 be not include modal cutoff circuit wrist-watch antenna assembly in the case of low-frequency resonant frequency in pcb board and gold
Belong to the schematic diagram of the CURRENT DISTRIBUTION on frame.The low-frequency resonant frequency of Fig. 4 is corresponding with 51 in Fig. 3.In Fig. 4,20 represent in Fig. 1
Distributing point, 30 represent Fig. 1 in earth point.Pass through the gap 14 between PCB versions 12 and metal frame 11, exciting radiation signal.
As previously described, the radiation signal produced by gap 14 is low frequency (lower frequency) radiation signal.Determine the frequency of low-frequency resonant
Rate and a factor of wavelength are the length in the gap 14 between pcb board 12 and metal frame 11.
Fig. 5 be not include modal cutoff circuit wrist-watch antenna assembly in the case of high-frequency resonant frequency in pcb board and gold
Belong to the schematic diagram of the CURRENT DISTRIBUTION on frame.The high resonant frequency of Fig. 5 is corresponding with 52 in Fig. 3.For example, the electric current point on pcb board
The couple current of cloth and metal frame is TM11 patterns.
Fig. 6 and Fig. 7 is the TM11 moulds for including the wrist-watch antenna assembly of modal cutoff circuit in the case of high-frequency resonant frequency
The schematic diagram of formula and its CURRENT DISTRIBUTION of degenerate mode.CURRENT DISTRIBUTION in Fig. 6 is corresponding with the resonant frequency of 53 instructions in Fig. 3.
CURRENT DISTRIBUTION in Fig. 7 is corresponding with the resonant frequency (degenerate mode resonant frequency) of 54 instructions in Fig. 3.In figs. 6 and 7, thick line
Arrow illustrates current trend.The electric current of TM11 patterns and its degenerate mode can be seen that on PCB by comparison diagram 6 and Fig. 7
Angle is 30 ° or so, this 30 ° of angle between distributing point in the present embodiment 20 and earth point 30 is corresponding.Set by this
Mode is put, the discrimination between the excitation mode and its degenerate mode of the wrist-watch antenna assembly is preferable.In addition, the wrist-watch day is traditional thread binding
The impedance matching put is also preferable.
In this embodiment, by modal cutoff circuit, the resonant frequency of TM11 mode signals is separated into less than original
Come the resonant frequency of resonant frequency and the resonant frequency more than original resonant frequency, so as to extend the beamwidth of antenna.
In addition, in this embodiment, radiation signal is produced by the metal frame of gap radiation and wrist-watch respectively so that hand
Table antenna assembly has more resonant frequency.In addition, the bandwidth of (high frequency) is radiated by modal cutoff circuit expanded metal frame,
This influence to gap radiation (low frequency) is smaller.
Fig. 8 shows the schematic diagram of according to an embodiment of the invention 2 wrist-watch antenna assembly.Wrist-watch day in Fig. 8 is traditional thread binding
Put that difference lies in, metal frame 110 to have a fluting with the wrist-watch antenna assembly in Fig. 1.Below mainly for 2 He of embodiment
Difference between embodiment 1 is described, and identical part may be omitted in embodiment 2 and embodiment 1.
As shown in figure 8, the wrist-watch antenna assembly includes the gap between metal frame 110, pcb board 120, PCB and metal frame
140th, fluting 150 and distributing point 200.In addition, the antenna assembly can also have battery 130.In this embodiment, use
The metal frame of fluting, as radiating element, this is easier to excite circular polarisation.
In fig. 8, metal frame 110 only has a fluting 150.Metal frame is divided into the ring-type knot of non-close by described slot
Structure.The distributing point 200 and it is described fluting 150 relative to the scope of the angle theta at the center of the metal frame 110 be 55 ° extremely
65°.In fig. 8, by way of example, the angle theta between distributing point 20 and fluting 15 is 60 °.Pass through this setup, wrist-watch day
Discrimination between the exciting radiation pattern and degenerate mode of line apparatus is preferable, while the effect of impedance matching is also preferable.
Wrist-watch antenna assembly in embodiment 2 also includes the modal cutoff circuit in embodiment 1.The modal cutoff circuit
Such as shown in Fig. 2, wherein, the first end 211 of the first capacitance 21 is connected with signal input.The second end 232 of first inductance 23
It is connected with the distributing point 200.
It will be appreciated by those skilled in the art that each feature in embodiment 1 can also be applied to embodiment 2.For letter
For the sake of clean, repetitive description is omitted.
Fig. 9-12 shows the result obtained by being tested the antenna assembly shown in Fig. 8.
Fig. 9 shows showing for return loss characteristic (the S11 characteristics) of according to an embodiment of the invention 2 wrist-watch antenna assembly
It is intended to, wherein, which includes modal cutoff circuit according to the present invention.In order to be compared, Fig. 9, which is also shown, not to be wrapped
Include the return loss characteristic of the wrist-watch antenna assembly of modal cutoff circuit.
In fig.9, block curve represents the return loss characteristic for not including the wrist-watch antenna assembly of modal cutoff circuit, with
And dashed curve represents the return loss characteristic according to the wrist-watch antenna assembly for including modal cutoff circuit.510 represent not include
The low-frequency resonant frequency of the antenna assembly of modal cutoff circuit.520 represent the height of the not antenna assembly including modal cutoff circuit
Frequency resonant frequency.530 expressions include the high-frequency resonant frequency of the antenna assembly of modal cutoff circuit.540 represent the height shown in 530
The degenerate mode resonant frequency of frequency resonant frequency.550 expressions include the low-frequency resonant frequency of the antenna assembly of modal cutoff circuit.
As seen from Figure 9, by modal cutoff circuit, degenerate mode mode of resonance is produced from original mode of resonance, so as to extend
Resonant bandwidth.
Figure 10 be not include modal cutoff circuit wrist-watch antenna assembly in the case of low-frequency resonant frequency in pcb board and gold
Belong to the schematic diagram of the CURRENT DISTRIBUTION on frame.The low-frequency resonant frequency of Figure 10 is corresponding with 510 in Fig. 9.In Fig. 10,20 figure is represented
Distributing point in 1,30 represent the earth point in Fig. 1.Pass through the gap 140 between PCB versions 120 and metal frame 110, exciting radiation
Signal.As previously described, the radiation signal produced by gap 140 is low frequency (lower frequency) radiation signal.Determine that low frequency is humorous
The frequency and a factor of wavelength shaken are the length in the gap 140 between pcb board 120 and metal frame 110.
Figure 11 and Figure 12 is the TM11 for including the wrist-watch antenna assembly of modal cutoff circuit in the case of high-frequency resonant frequency
The schematic diagram of pattern and its CURRENT DISTRIBUTION of degenerate mode.The resonant frequency pair of 530 instructions in CURRENT DISTRIBUTION and Fig. 9 in Figure 11
Should.CURRENT DISTRIBUTION in Figure 12 is corresponding with the resonant frequency (degenerate mode resonant frequency) of 540 instructions in Fig. 9.In Figure 11 and 12
In, thick-line arrow illustrates current trend.It can be seen that the electric current of TM11 patterns and its degenerate mode by comparison diagram 11 and Figure 12
Angle on PCB is 60 ° or so, this 60 ° of angle distributing point in the present embodiment 200 between fluting 150 is corresponding.It is logical
This setup is crossed, the discrimination between the excitation mode and its degenerate mode of the wrist-watch antenna assembly is preferable.In addition, the hand
The impedance matching of table antenna assembly is also preferable.
According in the wrist-watch antenna assembly of each embodiment, seam can be produced by the gap between pcb board and metal frame
Gap radiates, to produce low frequency radiation.The length in gap is a factor of the resonant frequency for determining gap radiation.Gold can be passed through
Belong to frame and produce high frequency radiation.
According to an embodiment of the invention, by using modal cutoff circuit, resonance can be excited in wrist-watch antenna assembly
Frequency, so as to extend the bandwidth of wrist-watch antenna assembly.
In addition, the influence for the radiation (for example, low frequency radiation) that the modal cutoff circuit produces other radiating elements compared with
It is small.
Further, a purposes of the invention is the antenna assembly of intelligent watch.Can be by wrist-watch according to the present invention
Antenna assembly is included in various types of intelligent watch, is received for wrist-watch and sends signal, with desired frequency bandwidth
Under communicate.
Although some specific embodiments of the present invention are described in detail by example, the skill of this area
Art personnel it should be understood that example above merely to illustrating, the scope being not intended to be limiting of the invention.The skill of this area
Art personnel are it should be understood that without departing from the scope and spirit of the present invention can modify above example.This hair
Bright scope is defined by the following claims.
Claims (10)
1. a kind of wrist-watch antenna assembly, including：Metal frame (11,110), pcb board (12,120) and modal cutoff circuit,
Wherein, pcb board has a metal layer, and between pcb board and metal frame formed with for gap radiation gap (14,
140)；And
Wherein, low frequency cell of the gap (14,140) as the wrist-watch antenna assembly, pcb board and the metal frame conduct
The high frequency unit of the wrist-watch antenna assembly, the modal cutoff circuit are to be used to the exciting radiation on metal frame and pcb board believe
Number radiation mode and its degenerate mode circuit and be connected to metal frame feed signal signal input and metal frame on
Between distributing point (20,200).
2. wrist-watch antenna assembly according to claim 1, wherein, the metal frame is without fluting and has earth point
(30), and the distributing point and earth point relative to the scope of the angle at the center of the metal frame are 25 ° to 35 °.
3. wrist-watch antenna assembly according to claim 1, wherein, the metal frame only has a fluting (150), and
The distributing point and described slot relative to the scope of the angle at the center of the metal frame are 55 ° to 65 °.
4. the wrist-watch antenna assembly according to Claims 2 or 3, wherein, the metal frame is circular ring shape, and the gold
The center for belonging to frame is circle ring center.
5. wrist-watch antenna assembly according to claim 1, wherein, the signal input is on the pcb board.
6. wrist-watch antenna assembly according to claim 1, wherein, the modal cutoff circuit is located on the pcb board.
7. wrist-watch antenna assembly according to claim 1, wherein, the modal cutoff circuit is inductance capacitance combination electricity
Road.
8. wrist-watch antenna assembly according to claim 7, wherein, the modal cutoff circuit include the first capacitance (21),
Second capacitance (22) and the first inductance (23), the first end (211) of the first capacitance are connected with signal input, the first capacitance
Second end (212) is connected with the first end (221) of the second capacitance and the first end (231) of the first inductance, and the second of the second capacitance
(222) ground connection is held, the second end (232) of the first inductance is connected with the distributing point (20,200).
9. wrist-watch antenna assembly according to claim 8, wherein, the capacitance value range of the first capacitance and the second capacitance is
0.5-2pF, the inductance value range of the first inductance is 0.5-10nH.
10. a kind of electronic watch, including wrist-watch antenna assembly according to claim 1, for sending and receiving signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610272950.9A CN105785757B (en) | 2016-04-28 | 2016-04-28 | Wrist-watch antenna assembly and electronic watch |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610272950.9A CN105785757B (en) | 2016-04-28 | 2016-04-28 | Wrist-watch antenna assembly and electronic watch |
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| CN105785757A CN105785757A (en) | 2016-07-20 |
| CN105785757B true CN105785757B (en) | 2018-05-01 |
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| CN201610272950.9A Active CN105785757B (en) | 2016-04-28 | 2016-04-28 | Wrist-watch antenna assembly and electronic watch |
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| US10594025B2 (en) | 2013-03-11 | 2020-03-17 | Suunto Oy | Coupled antenna structure and methods |
| US11050142B2 (en) | 2013-03-11 | 2021-06-29 | Suunto Oy | Coupled antenna structure |
| GB2570905B (en) * | 2018-02-08 | 2021-10-20 | Suunto Oy | Slot mode antennas |
| US11059550B2 (en) | 2013-03-11 | 2021-07-13 | Suunto Oy | Diving computer with coupled antenna and water contact assembly |
| US10734731B2 (en) | 2013-03-11 | 2020-08-04 | Suunto Oy | Antenna assembly for customizable devices |
| CN106329067A (en) * | 2016-09-23 | 2017-01-11 | 深圳市中天迅通信技术有限公司 | Smart watch antenna enabling GPS and BT dual-frequency communication |
| CN106532229B (en) * | 2016-12-27 | 2023-09-26 | 深圳市中天迅通信技术股份有限公司 | All-metal watch antenna |
| TWI798344B (en) | 2018-02-08 | 2023-04-11 | 芬蘭商順妥公司 | Slot mode antennas |
| TWI790344B (en) | 2018-02-08 | 2023-01-21 | 芬蘭商順妥公司 | Slot mode antennas |
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| CN108832268B (en) * | 2018-06-06 | 2021-09-17 | 宇龙计算机通信科技(深圳)有限公司 | Antenna device and smart watch |
| US10539700B1 (en) | 2019-03-14 | 2020-01-21 | Suunto Oy | Diving computer with coupled antenna and water contact assembly |
| CN110429386A (en) * | 2019-08-30 | 2019-11-08 | 安徽华米信息科技有限公司 | Smart machine |
| CN112952355A (en) * | 2019-12-10 | 2021-06-11 | 昆山睿翔讯通通信技术有限公司 | Watch and GPS antenna structure thereof |
| CN113690582B (en) * | 2020-05-19 | 2023-02-03 | 华为技术有限公司 | Wearable equipment |
| WO2021244612A1 (en) * | 2020-06-05 | 2021-12-09 | 安徽华米信息科技有限公司 | Wearable device |
| WO2022068583A1 (en) * | 2020-09-29 | 2022-04-07 | 安徽华米信息科技有限公司 | Circularly polarized antenna and wearable device |
| CN112713408B (en) * | 2020-12-23 | 2023-08-22 | 维沃移动通信有限公司 | Antenna device and electronic apparatus |
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| CN105785757A (en) | 2016-07-20 |
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