CN111177064B - Electronic equipment accessory device with page turning function - Google Patents
Electronic equipment accessory device with page turning function Download PDFInfo
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- CN111177064B CN111177064B CN202010001741.7A CN202010001741A CN111177064B CN 111177064 B CN111177064 B CN 111177064B CN 202010001741 A CN202010001741 A CN 202010001741A CN 111177064 B CN111177064 B CN 111177064B
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- electronic device
- page turning
- circuit board
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F15/00—Digital computers in general; Data processing equipment in general
- G06F15/02—Digital computers in general; Data processing equipment in general manually operated with input through keyboard and computation using a built-in program, e.g. pocket calculators
- G06F15/0216—Constructional details or arrangements
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F15/00—Digital computers in general; Data processing equipment in general
- G06F15/02—Digital computers in general; Data processing equipment in general manually operated with input through keyboard and computation using a built-in program, e.g. pocket calculators
- G06F15/025—Digital computers in general; Data processing equipment in general manually operated with input through keyboard and computation using a built-in program, e.g. pocket calculators adapted to a specific application
- G06F15/0291—Digital computers in general; Data processing equipment in general manually operated with input through keyboard and computation using a built-in program, e.g. pocket calculators adapted to a specific application for reading, e.g. e-books
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- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Casings For Electric Apparatus (AREA)
Abstract
The embodiment of the invention discloses an electronic equipment accessory device with a page turning function, which relates to the technical field of electronic equipment accessory structures, and comprises: an accessory, the accessory being connected with an external surface of the electronic device; the support piece is fixedly connected with the accessory; a flexible circuit board positioned between the accessory and the support, the flexible circuit board having an interface for electrically connecting with the electronic device; the page turning button is arranged on the supporting piece and is contacted with a page turning triggering device on the flexible circuit board. Through the scheme, the electronic equipment accessory device can realize the page turning function.
Description
The present disclosure is a divisional application of the following patent applications: application number CN 201711063086.2; application date 2017, 10 month 31 date; the invention discloses an electronic equipment accessory device with a page turning function.
Technical Field
The present invention relates to electronic equipment, and more particularly, to an electronic equipment accessory device with a page turning function.
Background
With the progress of society and the continuous improvement of living standard of people, mobile terminals such as electronic readers and mobile phones are basically popularized and become a main tool for people to work or entertain. With the continuous development of technology, the functions of the mobile terminal are more and more, and accordingly, the electronic devices inside the mobile terminal are more and more, the screen of the mobile terminal is larger and larger, the battery capacity is continuously increased, and various sensor layouts are more and more dense, so that the assembly of the mobile terminal is more and more complex. The requirements of users for the slimness and thinness of mobile terminals are higher and higher, so that the electronic devices such as the mobile terminals are easy to be damaged due to factors such as falling in the process of slimness and thinness of the mobile terminals, and accessory devices such as protective shells of the electronic devices are widely applied.
The inventor finds that in the process of implementing the present invention, the peripheral buttons on the electronic device are usually covered by the accessory device of the electronic device in the prior art, so that when a user presses the buttons on the electronic device, the problem that the buttons are insensitive or even hard exists. With respect to keys on electronic devices that are used more frequently (e.g., page turning keys), having electronic device accessory devices often results in poor user experience.
Therefore, there is a need for an electronic device accessory device with a new design and a page turning function.
Disclosure of Invention
In view of the above, an embodiment of the present invention provides an electronic device accessory apparatus with a page turning function, which at least partially solves the problems in the prior art.
The embodiment of the invention provides an electronic equipment accessory device with a page turning function, which comprises: an accessory, the accessory being connected with an external surface of the electronic device;
the support piece is fixedly connected with the accessory;
a flexible circuit board positioned between the accessory and the support, the flexible circuit board having an interface for electrically connecting with the electronic device;
the page turning button is arranged on the supporting piece and is contacted with a page turning triggering device on the flexible circuit board.
According to a specific implementation manner of the embodiment of the invention, the interface of the flexible circuit board is a plurality of metal contacts, and the flexible circuit board is connected with the electronic equipment through the metal contacts.
According to a specific implementation manner of the embodiment of the invention, the protection shell is provided with a plurality of through holes, and the plurality of metal contacts penetrate through the plurality of through holes to be connected with the electronic equipment.
According to a specific implementation manner of the embodiment of the invention, the page turning trigger device is an elastic metal component.
According to a specific implementation manner of the embodiment of the invention, the page turning key is provided with a first protruding part arranged at a first end and a second protruding part arranged at a second end.
According to a specific implementation of an embodiment of the invention, the support has a first recess accommodating the first protrusion and a second recess accommodating the second protrusion.
According to a specific implementation manner of the embodiment of the invention, the support piece is provided with a third concave part for accommodating the page turning trigger device, and the page turning key is contacted with the page turning trigger device through the third concave part.
According to a specific implementation manner of the embodiment of the present invention, the page turning key is connected to the support member by a snap-fit manner.
According to a specific implementation manner of the embodiment of the present invention, the support member and the accessory are connected by at least one of a screw, a buckle, a back adhesive, a dispensing or ultrasound.
According to the electronic equipment matching device with the page turning function, the page turning keys are arranged on the accessory in a matched mode, the page turning keys are arranged on the supporting piece and are contacted with the page turning trigger device on the flexible circuit board, meanwhile, the flexible circuit board is used for being electrically connected with the electronic equipment, and therefore the electronic equipment accessory device can achieve the page turning function of the electronic equipment while protecting the electronic equipment.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic diagram of an electronic device accessory device with a page turning function before assembly according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of an electronic device accessory device with a page turning function after assembly according to an embodiment of the present invention;
fig. 3 is a schematic diagram of electrical connection between a flexible circuit board and an electronic device according to an embodiment of the present invention;
fig. 4a-4c are schematic structural diagrams of a flexible circuit board according to an embodiment of the present invention under different viewing angles;
fig. 5 is an assembly schematic diagram of a flexible circuit board and a page turning key according to an embodiment of the present invention;
fig. 6 is a schematic diagram of another electronic device accessory device with a page turning function before assembly according to an embodiment of the present invention.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
It should be understood that the described embodiments are merely some, but not all, embodiments of the invention. 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 electronic equipment accessory device in this embodiment refers to a kit that can be detached from and installed to an electronic equipment, and is commonly used in practical applications as a protective casing/shell (hereinafter, referred to as a protective casing for convenience of description). The embodiments of the present invention will be described below by taking a protective case as an example, and it should be understood that the specific form, function and specific connection relationship between the accessory device and the electronic device are not limited to the protective case.
Referring to fig. 1, an embodiment of the present invention provides an electronic device accessory apparatus with a page turning function, including: a protective shell 1, a support 2, a flexible circuit board 3 and a page turning button 4.
The protective housing 1 is a main body part of the accessory device of the electronic device, and is mainly used for wrapping the outside of the electronic device to prevent the electronic device from being damaged due to falling and the like. According to actual needs, the electronic equipment can be partially or completely wrapped by the protective shell 1. The protective shell 1 may be made of a flexible material or other materials capable of deforming, and the protective shell 1 is connected to the outer surface of the electronic device after the electronic device accessory device is mounted on the electronic device.
The support 2 is mainly used for supporting and fixing the flexible circuit board 3 and the page turning key 4, for this purpose, the corresponding position of the protective shell 1 is set up in the clamping groove structure matched with the support 2, so that the support 2 is fixedly connected with the protective shell 1, after the support is fixed on the protective shell 1, the flexible circuit board 3 can be clamped and fixed between the protective shell 1 and the support 2 on the one hand, and meanwhile, the support 2 also supports and fixes the page turning key 4 through a specific structure.
In order to be able to detect the page turning signal on the electronic device accessory device and to transmit the detected page turning signal to the electronic device, a flexible circuit board 3 is provided, the flexible circuit board 3 being located between the protective shell 1 and the support 2. At one end of the flexible circuit board 3, the flexible circuit board 3 has an interface electrically connected to the electronic device, which can transmit a page turning signal of the page turning key 4 to the electronic device. Meanwhile, at the other end of the flexible circuit board 3, the flexible circuit board 3 is provided with a page turning trigger device contact for detecting the key action of the page turning key 4.
In order to facilitate the user to perform the page turning operation, a page turning key 4 is provided, and the page turning key 4 may be a common conventional key. The page turning button 4 is disposed on the support 2, so that a user can directly perform a single-point button operation by using a thumb or other types of fingers when holding the accessory device of the electronic device. In order to ensure that the key operation of the page turning key 4 can be detected, the page turning key 4 can be contacted with a page turning trigger device on the flexible circuit board 3 after being mounted (see fig. 2). The key operation of the page turning key 4 can thus be transmitted to the corresponding electronic device through the flexible circuit board 3 (see fig. 3). The interface of the flexible circuit board 3 may be manufactured in various manners, referring to fig. 4a-4c, and according to a specific implementation manner of the embodiment of the present invention, the interface of the flexible circuit board 3 is referred to as a plurality of metal contacts 31, so that corresponding electronic devices are also provided with contacts corresponding to the plurality of metal contacts, and the flexible circuit board 3 may be connected to the electronic devices through the metal contacts 31.
Since the electronic device is wrapped inside the protective case 1 and the flexible circuit board 3 is disposed outside the protective case 1, in order to ensure that the metal contacts 31 on the flexible circuit board 3 can be electrically connected with the electronic device, according to a specific implementation of the embodiment of the present invention, the protective case 1 has a plurality of through holes through which the plurality of metal contacts are connected with the electronic device. The metal contact 31 is in signal conduction after being contacted with the contact of the electronic device on the protective case 1, and since the metal contact 31 is exposed to the air for a long time, gold plating operation can be performed on the metal contact 31 in order to ensure the stability of the metal contact 31.
In order to facilitate detection of key operation of the page turning key 4 and ensure that the page turning key 4 can automatically pop up after being pressed, according to a specific implementation manner of the embodiment of the present invention, the page turning triggering device is an elastic metal component. As an example, the elastic metal component may be a common metal dome, which has good conduction performance, and can perform good switch starting and controlling functions between an operator and a product, and meanwhile, the metal dome has stable resilience force (automatic return after being pressed down) and can bring comfortable touch feeling to the operator.
The page-turning button 4 needs to be fixed on the support 2, and in order to facilitate the fixing of the page-turning button 4, according to a specific implementation of an embodiment of the present invention, referring to fig. 5, the page-turning button 4 has a first protruding portion 41 disposed at a first end and a second protruding portion (not shown in the figure) disposed at a second end. By providing the first protruding portion 41 and the second protruding portion, the page turning key is provided with fixing fulcra at two ends, so that the page turning key 4 is convenient to fix.
Corresponding to the provision of the first protruding portion 41 and the second protruding portion in the page turning button 4, according to one specific implementation manner of the embodiment of the present invention, the support 2 has a first concave portion 21 that accommodates the first protruding portion 41, and a second concave portion 22 that accommodates the second protruding portion. Through the above structure setting, can guarantee the stable support of support piece 2 and fixed page turning button 4.
The support member needs to ensure that the page turning button is in contact with the flexible circuit board, and according to a specific implementation manner of the embodiment of the present invention, the support member 2 has a third recess 23 for accommodating the page turning triggering device, and the page turning button 4 is in contact with the page turning triggering device through the third recess 23. The page turning button 4 and the supporting member 2 may be cooperatively installed in a plurality of ways, and according to a specific implementation manner of the embodiment of the present invention, the page turning button 4 is connected to the supporting member 2 in a fastening manner.
The support 2 and the protective shell 1 may also be fixedly connected in a plurality of manners, and according to a specific implementation manner of the embodiment of the present invention, the support 2 and the protective shell 1 are connected by at least one manner of screws, buckles, gum, dispensing or ultrasound.
The above figures are designed for right-handed users, and in practical application, the page turning functional structure composed of the support member 2, the flexible circuit board 3 and the page turning keys 4 can be integrally arranged at the opposite side position of the protective shell 1, so that the left-handed users can use the page turning functional structure conveniently.
Further, it is also conceivable to provide a page turning function structure on each of the left and right sides of the protective case 1, and the page turning function structure on the right side is shown in the above figures; in order to simplify the process, the flexible circuit board 3 can be omitted in the left page turning function structure, and an electric connection relation between the left page turning keys 4 and the right flexible circuit board 3 is established, so that the left page turning keys 4 and the right page turning keys share the right flexible circuit board 3. When the above-mentioned electrical connection relationship is implemented by a solid component (for example, a wire), the solid component may be embedded in the material of the protective case 1 in order to secure the beauty of the protective case 1.
In addition to the protective case 1 shown in fig. 1 to 3, this embodiment is also applicable to the protective case 1 shown in fig. 6, that is, the flip-type protective case with a screen protection function, and in practical application, all cases, sleeves, and bags that can be directly attached to the back of the electronic device and used for protecting the electronic device belong to the protective case 1 described in this embodiment.
In addition to the above embodiments, the protection case is taken as an example, and the accessory described in this embodiment may have other forms, for example:
the accessory can be a strap with the length equal to the width of the electronic equipment and the width smaller than the length of the electronic equipment, and the strap can be made of the same material as that of a traditional protective shell, such as leather or plastic, and can also be made of materials different from the traditional protective shell, such as soft ropes, elastic materials and the like. The electronic equipment comprises a support piece 2, a binding band, a metal bump and a fixing piece, wherein one end of the binding band is connected with one end of the electronic equipment through a buckling mechanism or the elastic clamping of the hard material, the other end of the binding band is connected with the page turning functional structure through the buckling mechanism arranged on the support piece 2, and the page turning functional structure is detachably fixed on the electronic equipment. Alternatively, the binding band may be made of a magnetic material, and the binding band is directly attached to the back of the electronic device, in which case the fastening mechanism may not be provided on one end of the binding band and the support member 2.
For another example, the accessory may specifically be a bearing member of the above-mentioned page turning functional structure, where a bearing surface of the bearing member is fixedly connected with the supporting member 2 and is used for bearing the page turning functional structure; the bearing piece is detachably fixed at one end of the electronic equipment in a clamping, magnet adsorption, buckling and other modes, and the metal protruding points can be abutted to corresponding connection positions on the electronic equipment.
The foregoing is merely illustrative of the present invention, and the present invention is not limited thereto, and any changes or substitutions easily contemplated by those skilled in the art within the scope of the present invention should be included in the present invention. Therefore, the protection scope of the invention is subject to the protection scope of the claims.
Claims (29)
1. An electronic device accessory apparatus having a page turning function, comprising:
the electronic equipment is wrapped by the protective shell partially or completely, the back of the electronic equipment is directly attached to the protective shell, the protective shell is connected with the outer surface of the electronic equipment, and a clamping groove structure matched with the supporting piece is arranged at the corresponding position of the protective shell, so that the supporting piece is fixedly connected with the protective shell;
the page turning button is arranged on the supporting piece and used for a user to perform page turning operation;
the flexible circuit board is positioned between the protective shell and the support piece and is provided with a page turning trigger device, the page turning trigger device is contacted with the page turning key and used for detecting the page turning operation, and the flexible circuit board transmits a page turning signal responding to the page turning operation to the electronic equipment; and
and the support piece is used for supporting the flexible circuit board.
2. The accessory device of claim 1, wherein the flexible circuit board has an interface to electrically connect with the electronic apparatus.
3. The accessory device of claim 2, wherein the interface is a plurality of metal contacts, the protective housing having a plurality of through holes through which the metal contacts are electrically connected with the electronic equipment.
4. The accessory device of claim 1, wherein the page-turning key is a right-turn page-turning key, the accessory device further comprising a left-turn page-turning key electrically connected to the flexible circuit board.
5. The accessory device of claim 4, wherein the left page key is electrically connected to the flexible circuit board by a wire embedded in a material of the protective case.
6. The accessory device of claim 1, wherein the protective shell is fabricated from a deformable material.
7. The accessory device of claim 1, wherein the page flip triggering device is a dome sheet.
8. The accessory device of claim 1, wherein the page turning key has a first boss disposed at a first end and a second boss disposed at a second end.
9. The accessory device of claim 8, wherein the support has a first recess that receives the first protrusion and a second recess that receives the second protrusion.
10. The accessory device of claim 9, wherein the sidewalls of the first and second bosses are each provided with a latch; and clamping grooves which are clamped with the clamping blocks are respectively formed in the side walls of the first concave part and the second concave part.
11. The accessory device of claim 10, wherein the support has a third recess that receives the page flip trigger, the page flip key being in contact with the page flip trigger through the third recess.
12. The accessory device of claim 1, wherein the page turning key is snap-connected to the support.
13. The accessory device of claim 1, wherein the support and the protective shell are connected by at least one of screws, snaps, adhesive-backed, glue-dispensed, or ultrasound.
14. An electronic device comprising a contact that receives the page flip signal of claim 1 to effect a page flip operation.
15. The electronic device of claim 14, wherein the electronic device is electrically connected to the flexible circuit board through an interface of the flexible circuit board.
16. The electronic device defined in claim 15 wherein the interface is a plurality of metal contacts and the protective case has a plurality of through-holes through which the metal contacts contact the contacts of the electronic device.
17. An electronic device assembly, comprising:
an electronic device;
the electronic equipment is wrapped by the protective shell partially or completely, the back of the electronic equipment is directly attached to the protective shell, the protective shell is connected with the outer surface of the electronic equipment, and a clamping groove structure matched with the supporting piece is arranged at the corresponding position of the protective shell, so that the supporting piece is fixedly connected with the protective shell;
the page turning button is arranged on the supporting piece and used for a user to perform page turning operation;
the flexible circuit board is positioned between the protective shell and the support piece and is provided with a page turning trigger device, the page turning trigger device is contacted with the page turning key and used for detecting the page turning operation, and the flexible circuit board transmits a page turning signal responding to the page turning operation to the electronic equipment; and
and the support piece is used for supporting the flexible circuit board.
18. The electronic device assembly of claim 17, wherein the flexible circuit board has an interface to electrically connect with the electronic device.
19. The electronic device assembly of claim 18, wherein the interface is a plurality of metal contacts, the electronic device being provided with contacts corresponding to the plurality of metal contacts, the protective case having a plurality of through holes through which the metal contacts are electrically connected with the electronic device.
20. The electronic device assembly of claim 17, wherein the page-turning key is a right-turn page-turning key, the electronic device assembly further comprising a left-turn page-turning key electrically connected to the flexible circuit board.
21. The electronic device assembly of claim 20, wherein the left page-turning key is electrically connected to the flexible circuit board by a wire embedded in a material of the protective case.
22. The electronic device assembly of claim 17, wherein the protective case is fabricated from a deformable material.
23. The electronic device assembly of claim 17, wherein the page flip triggering device is a dome sheet.
24. The electronic device assembly of claim 17, wherein the page flip key has a first boss disposed at a first end and a second boss disposed at a second end.
25. The electronic device assembly of claim 24, wherein the support has a first recess that receives the first boss and a second recess that receives the second boss.
26. The electronic device assembly of claim 25, wherein the sidewalls of the first and second bosses are each provided with a latch; and clamping grooves which are clamped with the clamping blocks are respectively formed in the side walls of the first concave part and the second concave part.
27. The electronic device assembly of claim 26, wherein the support has a third recess that receives the page flip trigger, the page flip key being in contact with the page flip trigger through the third recess.
28. The electronic device assembly of claim 17, wherein the page turning key is snap-connected to the support.
29. The electronic device assembly of claim 17, wherein the support and the protective case are connected by at least one of screws, snaps, adhesive-backed, glue-dispensed, or ultrasound.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010001741.7A CN111177064B (en) | 2017-10-31 | 2017-10-31 | Electronic equipment accessory device with page turning function |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711063086.2A CN107704420B (en) | 2017-10-31 | 2017-10-31 | Electronic equipment accessory device with page turning function |
| CN202010001741.7A CN111177064B (en) | 2017-10-31 | 2017-10-31 | Electronic equipment accessory device with page turning function |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711063086.2A Division CN107704420B (en) | 2017-10-31 | 2017-10-31 | Electronic equipment accessory device with page turning function |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111177064A CN111177064A (en) | 2020-05-19 |
| CN111177064B true CN111177064B (en) | 2023-06-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010001741.7A Active CN111177064B (en) | 2017-10-31 | 2017-10-31 | Electronic equipment accessory device with page turning function |
| CN201711063086.2A Active CN107704420B (en) | 2017-10-31 | 2017-10-31 | Electronic equipment accessory device with page turning function |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711063086.2A Active CN107704420B (en) | 2017-10-31 | 2017-10-31 | Electronic equipment accessory device with page turning function |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112311922B (en) * | 2020-10-29 | 2022-03-08 | 维沃移动通信有限公司 | Electronic equipment and data line |
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| CN201331848Y (en) * | 2008-12-26 | 2009-10-21 | 英华达(上海)电子有限公司 | Handheld electronic device |
| CN204707111U (en) * | 2015-06-01 | 2015-10-14 | 魅族科技（中国）有限公司 | A kind of key device and there is the terminal of this key device |
| CN204795192U (en) * | 2015-07-24 | 2015-11-18 | 上海与德通讯技术有限公司 | Mobile terminal and mobile terminal's protective sheath |
| CN105138146A (en) * | 2015-08-17 | 2015-12-09 | 河海大学常州校区 | E-book page turning tool |
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| US9391662B2 (en) * | 2013-04-30 | 2016-07-12 | Samsung Electronics Co., Ltd | Portable electronic device, flip-type cover of the portable electronic device, and method for controlling the flip-type cover |
| US9600092B2 (en) * | 2013-09-11 | 2017-03-21 | Andre Bouchard | E-book page turning accessory |
| CN105654787A (en) * | 2014-11-19 | 2016-06-08 | 襄阳市第四十二中学 | Electronic book |
| CN104598853B (en) * | 2015-01-12 | 2024-05-28 | 舟山安特佳智能科技有限公司 | Card protective sleeve with electronic equipment function |
| CN204790953U (en) * | 2015-06-19 | 2015-11-18 | 深圳长城开发科技股份有限公司 | Touch -sensitive device |
| WO2017028210A1 (en) * | 2015-08-18 | 2017-02-23 | 陈学良 | Smart watch protective sleeve having control function and control method for smart watch protective sleeve |
| CN205232276U (en) * | 2015-11-27 | 2016-05-11 | 深圳一微克科技有限公司 | Cell -phone intelligence protective sheath |
| CN206564620U (en) * | 2017-03-16 | 2017-10-17 | 深圳市璞瑞达薄膜开关技术有限公司 | A kind of cell phone intelligent protective case with keyboard entry function |
| CN206564634U (en) * | 2017-03-16 | 2017-10-17 | 深圳市璞瑞达薄膜开关技术有限公司 | A kind of functional layer structure of cell phone intelligent protective case |
| CN207352614U (en) * | 2017-10-31 | 2018-05-11 | 深圳市掌阅科技有限公司 | Electronic equipment enclosure device with page-turning function |
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- 2017-10-31 CN CN202010001741.7A patent/CN111177064B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN201331848Y (en) * | 2008-12-26 | 2009-10-21 | 英华达(上海)电子有限公司 | Handheld electronic device |
| CN204707111U (en) * | 2015-06-01 | 2015-10-14 | 魅族科技（中国）有限公司 | A kind of key device and there is the terminal of this key device |
| CN204795192U (en) * | 2015-07-24 | 2015-11-18 | 上海与德通讯技术有限公司 | Mobile terminal and mobile terminal's protective sheath |
| CN105138146A (en) * | 2015-08-17 | 2015-12-09 | 河海大学常州校区 | E-book page turning tool |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107704420A (en) | 2018-02-16 |
| CN107704420B (en) | 2024-04-30 |
| CN111177064A (en) | 2020-05-19 |
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