CN110908273B - A wrist-worn device and a wrist-worn device body thereof - Google Patents
A wrist-worn device and a wrist-worn device body thereof Download PDFInfo
- Publication number
- CN110908273B CN110908273B CN201911360492.4A CN201911360492A CN110908273B CN 110908273 B CN110908273 B CN 110908273B CN 201911360492 A CN201911360492 A CN 201911360492A CN 110908273 B CN110908273 B CN 110908273B
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- Prior art keywords
- ear
- wrist
- lug
- worn device
- shell
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Classifications
-
- 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
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- G—PHYSICS
- G04—HOROLOGY
- G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
- G04B37/00—Cases
- G04B37/0008—Cases for pocket watches and wrist watches
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- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/27—Adaptation for use in or on movable bodies
- H01Q1/273—Adaptation for carrying or wearing by persons or animals
-
- 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
- H01Q1/38—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith formed by a conductive layer on an insulating support
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/44—Details of, or arrangements associated with, antennas using equipment having another main function to serve additionally as an antenna, e.g. means for giving an antenna an aesthetic aspect
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Electric Clocks (AREA)
- Support Of Aerials (AREA)
Abstract
The application discloses a wrist-wearing equipment main body, which comprises a shell, a watch ear component arranged on the shell and a connecting ear arranged on the watch ear component and used for connecting a watchband, wherein an antenna wiring is arranged on the shell, the watch ear component is a metal piece and is electrically connected with the antenna wiring so as to be configured as an antenna, and the connecting ear is a plastic piece. In the wrist-wearing equipment main body, the antenna structure is formed by the shell and the watch ear component with the metal structure, so that the signal transmitting and receiving functions of communication equipment in the shell are realized, meanwhile, in order to solve the problem of antenna clearance after the wrist-wearing equipment main body is connected with the watchband, the wrist-wearing equipment main body is arranged into a plastic piece by utilizing the characteristics of the watch ear structure and the position, the purpose of antenna clearance can be realized on the premise of meeting the stable connection between the shell and the watchband, and the watch ear made of plastic is stable in structure and convenient to arrange.
Description
Technical Field
The invention relates to the technical field of wearable equipment design, in particular to a wrist-worn equipment main body. In addition, the invention also relates to wrist-wearing equipment comprising the wrist-wearing equipment main body.
Background
Most of the watches on the market are integrated in the scheme of the watch ear, the watch ear and the upper shell are made into a whole, the watch ear is used for being connected with a watchband, and particularly, the watchband is fixed at the watch ear through pushing the watch ear.
At present, many watches need to be provided with an antenna structure, and the watch is usually arranged at an upper shell position and can have good performance, but after the watch strap is installed, the influence on the performance of the antenna can be caused, so that the clearance requirement is usually required to be considered in the setting of the antenna, a part with an insulation function is usually considered to be additionally arranged, the clearance requirement of the antenna is realized, but the additionally arranged insulation part can possibly generate the problems of unstable fixation and enlarged structural volume, so that the problem of unstable antenna structure is avoided when the clearance of the antenna is realized, and the problem to be solved by the person in the field is urgently needed at present.
Disclosure of Invention
Accordingly, an object of the present invention is to provide a wrist-worn device body that can solve the problem of antenna clearance of the wrist-worn device and ensure normal use of the structure.
Another object of the present invention is to provide a wrist-worn device including the wrist-worn device main body described above.
In order to achieve the above object, the present invention provides the following technical solutions:
The utility model provides a wrist-wearing equipment main part, includes the casing, install in the table ear subassembly of casing and install in the table ear subassembly and be used for connecting the engaging lug of watchband, be equipped with the antenna on the casing and walk the line, table ear subassembly be the metalwork and with the antenna walks the line electricity and is connected to dispose to be the antenna, the engaging lug is the working of plastics.
Optionally, the tab assembly includes a key-side tab assembly and a non-key-side tab, which are symmetrically disposed with respect to the housing, and two ends of the key-side tab assembly and the non-key-side tab are respectively provided with corresponding connection tabs.
Optionally, the shell includes upper shell and inferior valve, the engaging lug install in between the upper shell with the inferior valve, the engaging lug is equipped with upper and lower shell screw hole for install upper and lower shell screw, in order to with upper shell the engaging lug with inferior valve fixed mounting.
Optionally, the ear assembly is mounted on the upper shell through an ear screw, and the ear screw is provided with an ear gasket, and/or an ear sealing ring is arranged between the ear assembly and the upper shell.
Optionally, the middle part of the connecting lug is provided with a middle step, the screw holes of the upper shell and the lower shell are arranged on the middle step, and two sides of the connecting lug are respectively used for connecting the watch lug assembly and the watchband.
Optionally, the antenna wire is an LDS antenna laser etched on the upper case.
Optionally, one of the connecting lug and the watch lug component is provided with a positioning hole for positioning and mounting, and the other is provided with a positioning column matched with the positioning hole.
Optionally, the connecting portion is the ear producing hole that is used for connecting the ear, the ear producing hole set up in the inboard of the lateral wall of connecting the ear.
Optionally, the connecting lug is a PA plastic piece, and the PA plastic piece comprises glass plastic.
A wrist-worn device comprising a wrist-worn device body, the wrist-worn device body being the wrist-worn device body of any one of the above.
In the wrist-wearing equipment main body, the antenna structure is formed by the shell and the watch ear component with the metal structure, so that the signal transmitting and receiving functions of communication equipment in the shell are realized, and meanwhile, in order to solve the problem of antenna clearance after the wrist-wearing equipment main body is connected with the watchband, the watch ear component is provided with the watch ear made of plastic materials, and the watch ear is connected with the watchband, so that the clearance requirement among the watch ear component, the shell and the watchband is solved. The application uses the characteristics of the structure and the position of the watch ear to set the watch ear as a plastic part, and can realize the purpose of antenna clearance on the premise of meeting the stable connection between the shell and the watchband, and the structure of the watch ear made of plastic is stable and convenient to set. The application also provides wrist-wearing equipment comprising the wrist-wearing equipment main body.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only embodiments of the present invention, and that other drawings can be obtained according to the provided drawings without inventive effort for a person skilled in the art.
FIG. 1 is an exploded view of a wrist-worn device body provided by an embodiment of the present invention;
FIG. 2 is a right side view of a wrist-worn device body provided by an embodiment of the present invention;
FIG. 3 is a cross-sectional view taken along A-A of FIG. 2;
FIG. 4 is an enlarged schematic view of the layout at B in FIG. 3;
FIG. 5 is a bottom view of a wrist-worn device body according to an embodiment of the present invention;
fig. 6 is a schematic structural diagram of a tab according to an embodiment of the present invention.
In fig. 1-6:
the meter comprises a connecting lug 1, a non-key side meter lug 2, an upper shell 3, a meter lug sealing ring 4, a meter lug gasket 5, a meter lug screw 6, an upper shell screw 7, a lower shell screw 8 and a key side meter lug assembly 9;
the ear hole 11, the middle step 12, the upper and lower shell screw holes 13 and the positioning hole 14 are pushed and pulled.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The core of the invention is to provide a wrist-wearing equipment main body which can solve the problem of antenna clearance of the wrist-wearing equipment and ensure normal use of the wrist-wearing equipment.
Another core of the present invention is to provide a wrist-worn device including the wrist-worn device main body described above.
Referring to fig. 1 to 6, fig. 1 is an exploded view of a wrist-worn device body according to the present invention, fig. 2 is a right side view of the wrist-worn device body according to the present invention, fig. 3 is a cross-sectional view of fig. 2 from A-A, fig. 4 is an enlarged schematic view of a layout at B in fig. 3, fig. 5 is a bottom view of the wrist-worn device body according to the present invention, and fig. 6 is a schematic view of a structure of a watch ear according to the present invention.
The application provides a wrist-wearing equipment main body, which comprises a shell, a watch ear component arranged on the shell and a connecting ear 1 arranged on the watch ear component and used for connecting a watchband, wherein an antenna wiring is arranged on the shell, the watch ear component is a metal piece and is electrically connected with the antenna wiring so as to be configured as an antenna, and the connecting ear 1 is a plastic piece.
The shell is a main structure of the wrist-worn device, and the inside of the shell is provided with a control chip, a main board and the like.
The watch ear component is arranged on the shell, the watch ear component is a metal piece, the shell also needs to be of a metal structure or a metal structure with a certain part, and an antenna wiring is arranged, so that an antenna is formed with the watch ear component.
The connecting lug 1 is a structure for connecting a watchband, and is generally provided with a connecting hole or a connecting structure for installing a hand-pulling lug 10 or a push-pulling lug 11, thereby realizing the connection of the watchband. The connecting lug 1 is a plastic piece, and the plastic can not interfere signals of the antenna, so that the problem of antenna clearance can be solved by arranging the watch lug made of plastic on the watch lug component.
In the wrist-wearing equipment main body, the antenna structure is formed by the antenna wiring of the shell and the watch ear component with the metal structure, so that the signal transmitting and receiving functions of communication equipment in the shell are realized, and meanwhile, in order to solve the problem of antenna clearance after the wrist-wearing equipment main body is connected with the watchband, the watch ear component is provided with the watch ear made of plastic materials, and the watch ear is connected with the watchband, so that the clearance requirements among the watch ear component, the shell and the watchband are solved. The application uses the characteristics of the structure and the position of the watch ear to set the watch ear as a plastic part, and can realize the purpose of antenna clearance on the premise of meeting the stable connection between the shell and the watchband, and the structure of the watch ear made of plastic is stable and convenient to set.
On the basis of the above embodiment, the ear assembly includes a key-side ear assembly 9 and a non-key-side ear 2, which are symmetrically disposed with respect to the housing, and two ends of the key-side ear assembly 9 and the non-key-side ear 2 are respectively provided with a corresponding connecting ear 1.
Referring to fig. 1, the key-side ear-tab assembly 9 and the non-key-side ear-tab 2 are respectively disposed on the left side and the right side of the casing, and take the angle in fig. 1 as an example, the key-side ear-tab assembly and the non-key-side ear-tab assembly are respectively disposed at the 3 o 'clock and 9 o' clock positions of the wristwatch, and the key is disposed on the right hand side according to the common usage habit, so as to facilitate adjustment.
The connecting lug 1 is located the position of conveniently connecting the watchband, because set up two watchbands under the normal condition, and current watchband generally needs two table ears to be connected with the ear piece, so need set up four connecting lugs 1, and set up the both ends at the table ear subassembly respectively, for realizing not shielding the table ear subassembly, consequently, the upper end of button side table ear subassembly 9 and the upper end of non-button side table ear 2 install the table ear respectively, two upper table ears are used for connecting a watchband, the lower extreme of button side table ear subassembly 9 and the lower extreme of non-button side table ear 2 install the table ear respectively, two lower table ears are used for connecting another watchband for the position of two watchbands can not shelter from the table ear subassembly, can not influence the effect of antenna.
On the basis of any one of the above embodiments, the housing includes an upper housing 3 and a lower housing 8, the connection lug 1 is mounted between the upper housing 3 and the lower housing 8, and the connection lug 1 is provided with an upper and a lower housing screw hole 13 for mounting the upper and lower housing screws 7 so as to fixedly mount the upper housing 3, the connection lug 1 and the lower housing 8.
It should be noted that, in general, the wristwatch or the wristband includes two or more watch case components, and the watch case components are fastened to each other to form a whole. In the application, the upper shell 3 and the lower shell 8 are used for forming a shell, and the upper shell and the lower shell are buckled. The connecting lug 1 has a mounting portion provided between the upper case 3 and the lower case 8, and of course, the connecting lug 1 also has an extending portion extending therebetween for connecting the wristband.
In the mounting, the connection lug 1 may be mounted on one of the lower cases 8 of the upper case 3, fixed, and then the other may be mounted on the other side of the connection lug 1, thereby forming a mounting structure in which the upper case 3 and the lower case 8 sandwich the connection lug 1 together.
On the basis of the embodiment, the watch ear component is mounted on the upper shell 3 through the watch ear screw 6, the watch ear gasket 5 is arranged on the watch ear screw 6, and/or the watch ear sealing ring 4 is arranged between the watch ear component and the upper shell 3.
It should be noted that, the electric conduction function between the antenna wiring and the electric conduction function are realized, and the electric conduction function is realized.
In addition, the mounting of the watch ear component can also be directly mounted on the upper shell 3, and the lower shell 8 is mounted on the other side of the watch ear component after the mounting is completed, so that a mounting structure of the watch ear component is jointly clamped by the upper shell 3 and the lower shell 8, and the stability of connection is further improved.
Optionally, the ear sealing ring 4 is arranged on the ear assembly, so that the connection tightness between the ear assembly and the upper shell 3 is enhanced, and the two are ensured to be sealed relatively. Alternatively, a seal may be provided between the ear assembly and the lower housing 8.
On the basis of any one of the above embodiments, the middle part of the connecting lug 1 has a middle step 12, and the upper and lower case screw holes 13 are formed in the middle step 12, and two sides of the connecting lug 1 are respectively used for connecting the watch lug assembly and the watchband.
It should be noted that, the connecting ear 1 needs to connect three parts, namely, a watchband, a watch ear assembly and a housing, wherein the upper and lower shell screw holes 13 are used for connecting the housing, namely, the middle part of the connecting ear 1 is connected with the housing, and the other two sides are respectively connected with the watch ear assembly and the watchband.
On the basis of any one of the embodiments, the antenna trace is an LDS antenna laser etched on the upper case.
The LDS is a laser direct structuring technology, so as to obtain the LDS antenna structure.
The upper shell can be an insert injection molding part, is usually obtained through one-shot injection molding and two-shot injection molding, namely, one shot injection molding is firstly performed to form a plastic part (namely, one shot), then the LDS wiring is laser etched on the plastic part, and then a layer of plastic is further injection molded on the plastic part on which the LDS wiring is laser etched, and in the embodiment, the second plastic is optionally added, so that the clearance requirement of the antenna can be met.
On the basis of any one of the above embodiments, one of the connecting ear 1 and the watch ear component is provided with a positioning hole 14 for positioning and mounting, and the other is provided with a positioning post matched with the positioning hole 14.
Referring to fig. 4 and 6, a positioning hole 14 is provided on the connection ear 1, and a positioning post is provided on the ear assembly, so that when the connection ear 1 is mounted on the ear assembly, the positioning hole 14 needs to be aligned with the positioning post to form a positioning fit.
Alternatively, the positioning structure may be other positioning shapes and matching relationships, which are not limited to the above.
Above the basic value of any one of the above embodiments, the connection portion is an ear hole for connecting an ear, and the ear hole is provided inside the side wall of the connection ear 1.
Optionally, two connecting lugs 1 are respectively provided with position-matched lug producing holes, and the two lug producing holes are arranged on the same side of the shell, or two connecting lugs 1 are respectively provided with a plurality of lug producing hole combinations, wherein the types of each group of lug producing holes are different, so that the requirements of lug producing of different types can be met.
Alternatively, the ear producing hole is a pushing ear producing hole 11 for connecting a pushing ear, or other types of ear producing holes.
Alternatively, the connecting lug 1 is a PA plastic part, and the PA plastic part comprises glass plastic. Wherein the glass plastic is specifically GF glass plastic, in the embodiment provided by the present application, the connecting ear 1 is specifically PA plastic and 35% GF glass plastic, so that the strength of the connecting ear 1 can be enhanced by GF convenient plastic.
In a specific embodiment provided by the application, the connecting lug 1 is made of plastic, specifically PA plastic and 35% GF glass plastic, the strength of the watch ear is increased by using GF glass plastic, a pushing ear hole 11 is formed on the inner side of the side wall of the connecting lug 1, the pushing ear is fixed in the pushing ear hole 11 when the watchband is assembled, an upper shell screw hole 13 and a lower shell screw hole 13 are formed at the middle step 12 for assembling the upper shell screw 7 and the lower shell screw 7, the connecting lug 1 and the upper shell screw 3 are fixed together, 3 positioning holes 14 are formed on the side wall of the connecting lug assembly, and 3 positioning columns are correspondingly formed at the matching positions of the button side watch ear assembly 9 and the connecting lug 1.
The upper shell 3 is an insert injection molding piece which is used for injecting laser carving LDS (laser direct structuring) antennas, the key side meter ear assembly 9 is made of metal, the key side meter ear assembly 9 is used as an antenna of a watch, 3 positioning columns are arranged at the matching positions of the key side meter ear assembly 9 and the connecting lug 1, and the positioning columns are inserted into the positioning holes 14 on the side wall of the connecting lug 1 after assembly.
The button-side meter ear component is fixed on the upper shell 3 through the meter ear screw 6, the meter ear gasket 5 and the meter ear sealing ring 4, and the upper shell 3 can be connected with the button-side meter ear component 9 through the meter ear gasket 5 and the meter ear screw 6.
The assembly sequence in the scheme is that a key-side meter ear assembly 9 is fixed on an upper shell 3 through a meter ear sealing ring 4, a meter ear gasket 5 and a meter ear screw 6, water resistance is realized by the meter ear sealing ring 4, a non-key-side meter ear 2 is fixed on the upper shell 3 through another meter ear sealing ring 4, the meter ear gasket 5 and the meter ear screw 6, water resistance is realized by the meter ear sealing ring 4, a connecting ear 1 is respectively fixed on the non-key-side meter ear 2 and the key-side meter ear assembly 9, a lower shell 8 is assembled on the upper shell 3, an upper shell screw 7 and a lower shell screw 7 are finally installed, and the lower shell 8, the connecting ear 1 and the upper shell 3 are fixedly connected.
According to the application, a conventional watch ear component is split into 4 parts according to the setting requirement of an antenna, namely an upper shell 3, a key side watch ear component 9, a non-key side watch ear 2 and a connecting ear 1, wherein the upper shell 3 is an insert injection molding piece, an LDS antenna is arranged on a first shot, then the first shot is placed in a mold to manufacture a second shot, the key side watch ear component 9 and the non-key side watch ear 2 are both made of metal materials, and in order to solve the clearance requirement between a watch body and a watchband, the connecting ear 1 provided with plastic is additionally arranged, and the purpose of the clearance of the antenna is achieved by utilizing the characteristic of plastic insulation.
The button-side tab assembly 9 is fixed to the upper case 3 through the tab seal ring 4, the tab spacer 5 and the tab screw 6. The middle step 12 department of engaging lug 1 designs upper and lower shell screw hole 13, and the lateral wall of engaging lug 1 has 3 locating holes 14 that the precision is higher, utilizes upper and lower shell screw hole 13 to fix engaging lug 1 at last shell 3, utilizes locating hole 14 to fix engaging lug 1 respectively at non-button side table ear 2, button side table ear subassembly 9, realizes horizontal direction and Z spacing to the table ear, utilizes the screw to realize Z spacing, has guaranteed table ear fixed stability.
In addition to the main structure of the wrist-worn device body provided in the foregoing embodiments, the present invention further provides a wrist-worn device including the wrist-worn device disclosed in the foregoing embodiments, where the wrist-worn device body may be a wrist-worn device body in any one of the foregoing embodiments, and the structure of the wrist-worn device connecting other parts of the device is referred to the prior art, and is not repeated herein.
In the present specification, each embodiment is described in a progressive manner, and each embodiment is mainly described in a different point from other embodiments, and identical and similar parts between the embodiments are all enough to refer to each other.
The wrist-worn device main body and the wrist-worn device having the same provided by the invention are described in detail above. The principles and embodiments of the present invention have been described herein with reference to specific examples, the description of which is intended only to facilitate an understanding of the method of the present invention and its core ideas. It should be noted that it will be apparent to those skilled in the art that various modifications and adaptations of the invention can be made without departing from the principles of the invention and these modifications and adaptations are intended to be within the scope of the invention as defined in the following claims.
Claims (9)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911360492.4A CN110908273B (en) | 2019-12-25 | 2019-12-25 | A wrist-worn device and a wrist-worn device body thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911360492.4A CN110908273B (en) | 2019-12-25 | 2019-12-25 | A wrist-worn device and a wrist-worn device body thereof |
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| Publication Number | Publication Date |
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| CN110908273A CN110908273A (en) | 2020-03-24 |
| CN110908273B true CN110908273B (en) | 2025-06-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201911360492.4A Active CN110908273B (en) | 2019-12-25 | 2019-12-25 | A wrist-worn device and a wrist-worn device body thereof |
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| CN (1) | CN110908273B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111900527B (en) * | 2020-06-04 | 2023-03-21 | 宇龙计算机通信科技(深圳)有限公司 | Antenna structure and electronic equipment |
| CN113437478B (en) * | 2021-07-02 | 2023-03-24 | 歌尔科技有限公司 | Antenna and watchcase and wearing equipment that have this antenna |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205910505U (en) * | 2016-07-28 | 2017-01-25 | 联想(北京)有限公司 | Watchcase and intelligent wrist -watch |
| CN211236596U (en) * | 2019-12-25 | 2020-08-11 | 歌尔科技有限公司 | Wrist wearing equipment and wrist wearing equipment main body thereof |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1795979B1 (en) * | 2005-12-08 | 2010-05-26 | The Swatch Group Management Services AG | Timepiece with rocking case |
| WO2018194950A1 (en) * | 2017-04-18 | 2018-10-25 | Timex Group Usa, Inc. | Antenna arrangement for an electronic device and an electronic device including same |
| CN209590575U (en) * | 2019-03-21 | 2019-11-05 | 歌尔科技有限公司 | Smartwatch |
| CN110061351B (en) * | 2019-05-23 | 2020-11-10 | 歌尔科技有限公司 | Intelligent watch and antenna thereof |
| CN110376874A (en) * | 2019-07-19 | 2019-10-25 | 歌尔科技有限公司 | Wrist wears equipment |
-
2019
- 2019-12-25 CN CN201911360492.4A patent/CN110908273B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205910505U (en) * | 2016-07-28 | 2017-01-25 | 联想(北京)有限公司 | Watchcase and intelligent wrist -watch |
| CN211236596U (en) * | 2019-12-25 | 2020-08-11 | 歌尔科技有限公司 | Wrist wearing equipment and wrist wearing equipment main body thereof |
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| CN110908273A (en) | 2020-03-24 |
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