CN110333757B - Wrist type terminal equipment - Google Patents
Wrist type terminal equipment Download PDFInfo
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- CN110333757B CN110333757B CN201910574739.6A CN201910574739A CN110333757B CN 110333757 B CN110333757 B CN 110333757B CN 201910574739 A CN201910574739 A CN 201910574739A CN 110333757 B CN110333757 B CN 110333757B
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- wrist
- display screen
- driving
- main body
- traction belt
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/16—Constructional details or arrangements
- G06F1/1613—Constructional details or arrangements for portable computers
- G06F1/163—Wearable computers, e.g. on a belt
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/16—Constructional details or arrangements
- G06F1/1613—Constructional details or arrangements for portable computers
- G06F1/1633—Constructional details or arrangements of portable computers not specific to the type of enclosures covered by groups G06F1/1615 - G06F1/1626
- G06F1/1637—Details related to the display arrangement, including those related to the mounting of the display in the housing
- G06F1/1647—Details related to the display arrangement, including those related to the mounting of the display in the housing including at least an additional display
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/16—Constructional details or arrangements
- G06F1/1613—Constructional details or arrangements for portable computers
- G06F1/1633—Constructional details or arrangements of portable computers not specific to the type of enclosures covered by groups G06F1/1615 - G06F1/1626
- G06F1/1637—Details related to the display arrangement, including those related to the mounting of the display in the housing
- G06F1/1652—Details related to the display arrangement, including those related to the mounting of the display in the housing the display being flexible, e.g. mimicking a sheet of paper, or rollable
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- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Theoretical Computer Science (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Telephone Set Structure (AREA)
- Casings For Electric Apparatus (AREA)
Abstract
The invention discloses wrist type terminal equipment, which comprises an equipment main body and a wrist strap, wherein the wrist strap is connected with the equipment main body, the equipment main body comprises a first display screen, the wrist type terminal equipment further comprises a driving device and a second display screen, the driving device is arranged on at least one of the equipment main body and the wrist strap, the second display screen is a flexible display screen, at least one of the equipment main body and the wrist strap is provided with an equipment inner cavity, and the driving device drives the second display screen to extend out of the equipment inner cavity to the wrist strap and cover at least part of the wrist strap or move from the wrist strap to the equipment inner cavity. The scheme can solve the problem that the screen area of the existing wrist type terminal equipment is small.
Description
Technical Field
The invention relates to the technical field of communication equipment, in particular to wrist type terminal equipment.
Background
Along with the development of technology, the variety of terminal equipment is more and more, is not restricted to terminal equipment commonly used such as cell-phone, panel computer, and more wrist formula terminal equipment commonly appears in people's life and work, for example intelligent bracelet, intelligent wrist-watch etc..
In order to facilitate the user to control, the wrist type terminal device is configured with a display screen, but in general, the display area of the wrist type terminal device is small, so that the wrist type terminal device is inconvenient for the user to use. Considering the portability, the dexterity performance and the like of the wrist type terminal equipment, the equipment main body of the wrist type terminal equipment is difficult to achieve larger size, and then the display area of the wrist type terminal equipment cannot be further increased.
Disclosure of Invention
The invention discloses wrist terminal equipment, which aims to solve the problem that the screen area of the conventional wrist terminal equipment is small.
In order to solve the problems, the invention adopts the following technical scheme:
the wrist type terminal equipment comprises an equipment main body and a wrist strap, wherein the wrist strap is connected with the equipment main body, the equipment main body comprises a first display screen, the wrist type terminal equipment further comprises a driving device and a second display screen, the driving device is arranged on at least one of the equipment main body and the wrist strap, the second display screen is a flexible display screen, at least one of the equipment main body and the wrist strap is provided with an equipment inner cavity, and the driving device drives the second display screen to extend out of the equipment inner cavity to the wrist strap and cover at least part of the wrist strap or the wrist strap to move into the equipment inner cavity.
The technical scheme adopted by the invention can achieve the following beneficial effects:
the wrist type terminal device disclosed by the embodiment of the invention improves the structure of the existing wrist type terminal device, so that at least one of the device main body and the wrist strap is provided with a device inner cavity, the second display screen can be driven to be stored in the device inner cavity or extend out of the device inner cavity to the wrist strap under the driving of the driving device, and the second display screen and the first display screen of the device main body can display under the state that the second display screen extends out of the device inner cavity.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:
fig. 1-2 are schematic structural diagrams of a wrist terminal device in one state and at different viewing angles according to an embodiment of the present invention;
fig. 3-4 are schematic structural diagrams of the wrist terminal device in another state and at different viewing angles according to the embodiment of the present invention;
fig. 5 is a schematic structural diagram of a wrist terminal device in an unfolded state according to an embodiment of the present invention;
fig. 6 is a schematic partial structure diagram of a wrist terminal device disclosed in the embodiment of the present invention;
fig. 7 is a sectional view showing a partial structure of a wrist type terminal apparatus according to an embodiment of the present invention;
fig. 8 is a sectional view of the wrist terminal device disclosed in the embodiment of the present invention in an unfolded state;
fig. 9 and 10 are enlarged schematic views of different portions of fig. 8, respectively.
Description of reference numerals:
100-main body of the device, 110-first display screen, 120-first inner cavity of the device,
200-wrist band, 210-second device cavity,
300-drive, 310-first drive, 320-second drive, A-mount, B-drive motor, C-roller, C1-tooth surface, D-drive gear,
400-second display screen.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be clearly and completely described below with reference to the specific embodiments of the present invention and the accompanying drawings. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The technical solutions disclosed in the embodiments of the present invention are described in detail below with reference to the accompanying drawings.
Referring to fig. 1 to 10, an embodiment of the present invention discloses a wrist terminal device, which can be worn on a user's wrist. The disclosed wrist terminal apparatus includes an apparatus body 100, a wrist band 200, a driving device 300, and a second display 400.
The device body 100 is a body part of the wrist terminal device, and is also a member of the wrist terminal device integrating most functions. The device body 100 is connected to the wrist band 200, and in particular, one end of the wrist band 200 may be connected to one end of the device body 100 and the other end of the wrist band 200 may be connected to the other end of the device body 100. At least one end of the wrist band 200 is detachable from the apparatus body 100, thereby facilitating the wearing or removal of the wrist terminal apparatus by the user. In the embodiment of the present invention, the device main body 100 includes a first display screen 110, and the first display screen 110 is used for performing functions such as display and touch control. At least one of the device body 100 and the wrist band 200 has a device cavity for accommodating the second display screen 400.
The wrist band 200 has a strong deformability, and thus can be adapted to the wrist of the user. The wrist band 200 may be a metal chain, a non-metal belt, etc. commonly used in the wrist watch, and the embodiment of the present invention does not limit the specific type of the wrist band 200.
The driving means 300 is connected to the second display 400, and the driving means 300 drives the second display 400 to extend from the inner cavity of the device to the wrist band 200 and cover at least a part of the wrist band 200 or move from the wrist band 200 to the inner cavity of the device. The second display 400 is a flexible display, and has good deformability, so that the second display can accommodate the bending and extension of the wrist band 200. In the embodiment of the present invention, the driving device 300 may be disposed on at least one of the apparatus body 100 and the wrist band 200. Specifically, the driving device 300 may be provided only on the apparatus body 100, only on the wristband 200, or a part of the driving device 300 may be provided on the apparatus body 100 and another part may be provided on the wristband 200. The embodiment of the present invention does not limit the specific setting position of the driving device 300 as long as the display of the second display 400 by the driving device 300 is not affected.
The wrist type terminal device disclosed in the embodiment of the present invention improves the structure of the existing wrist type terminal device, so that the device main body 100 has a device cavity, the second display screen 400 can be driven to be accommodated in the device cavity or extend out of the device cavity to the wrist strap 200 and cover at least a part of the wrist strap 200 under the driving of the driving device 300, and the second display screen 400 and the first display screen 110 of the device main body 100 can both display in a state where the second display screen 400 extends out of the device cavity.
In the embodiment of the present invention, the second display 400 is a flexible display, and has a certain strength and is also deformable. Specifically, the driving device 300 drives the second display to move along the wrist strap 200, so as to switch the positions. In order to improve the moving accuracy of the second display 400, in a more preferable embodiment, the wrist strap 200 may have a guide rail extending along a length direction thereof, and the second display 400 may be slidably engaged with the guide rail, and the guide rail may function as a guide, thereby facilitating the improvement of the moving accuracy of the second display 400. The guide rail and the second display screen 400 are matched in various ways, for example, the guide rail may be two groove-shaped bars respectively located at two side edges of the wrist strap 200, and an edge of the second display screen 400 along the length direction thereof may extend into a space of the groove-shaped bar at the same side, so as to realize sliding guide matching between the second display screen 400 and the guide rail. Of course, there are various structures of the guide rail and matching manners of the guide rail and the second display screen 400, and the embodiment of the invention is not limited.
Under general conditions, second display screen 400 is comparatively accurate device, drive arrangement 300 direct drive second display screen 400 has the problem that second display screen 400 damages more easily, based on this, in comparatively preferred scheme, terminal equipment can include the traction area, drive arrangement 300 can link to each other with the traction area, drive arrangement 300 drive traction area removes, second display screen 400 sets up on the traction area, second display screen 400 removes along with the traction area, the traction area can with guide rail sliding fit, under this kind of condition, second display screen 400 brings the sliding fit who realizes with the guide rail through drawing. In particular, the traction belt is also a flexible belt body, such as a plastic belt or the like. The embodiment of the invention does not limit the specific material of the traction belt.
In a preferable embodiment, the length of the second display 400 may be equal to the length of the wrist strap 200, in which case, the second display 400 may be covered on the wrist strap 200 after being completely extended, so that the second display 400 has a display area as large as possible. Of course, the driving device 300 can drive the second display screen 400 to partially protrude from the inner cavity of the device, so that the partial area of the second display screen 400 can play a role of auxiliary display.
Of course, the length of the second display 400 may be smaller than that of the wrist band 200, in which case, of course, the display area of the second display 400 is smaller, and in the extended state, the second display 400 only covers a part of the wrist band 200, and of course, the display area of the whole wrist terminal device can still be increased.
In the working process of the wrist type terminal device disclosed by the embodiment of the invention, a user can fold the second display screen 400 in the inner cavity of the device by controlling the driving device 300, and under the condition, the wrist type terminal device only displays the first display screen 110, so that the wrist type terminal device can work in a low energy consumption state, and the continuation of the journey of the wrist type terminal device is facilitated. The user can control the driving device 300 to extend at least a part of the second display screen 400 out of the inner cavity of the device, so that the second display screen 400 can display in an auxiliary manner, and the purpose of increasing the display area is achieved.
For convenience of operation, in a preferable scheme, the first display screen 110 may be provided with a touch virtual key for controlling the driving device 300, and in a specific using process, a user may control the driving device 300 by operating the touch virtual key. Of course, the apparatus body 100 may also be provided with mechanical keys for controlling the driving device 300.
In the wrist type terminal apparatus disclosed in the embodiment of the present invention, the driving device 300 may be of various types, for example, the driving device 300 may be a chain driving mechanism, and the second display 400 is driven to switch between different positions through a transmission chain, in this case, a part of the chain driving mechanism may be disposed on the wrist strap 200, and another part of the chain driving mechanism may be disposed on the apparatus main body 100.
Referring to fig. 1 to 10 again, the embodiment of the present invention discloses a driving device 300 with a specific structure, and the disclosed driving device 300 includes a first driving mechanism 310 and a second driving mechanism 320, specifically, the first driving mechanism 310 may be disposed on the device body 100, and the second driving mechanism 320 may be disposed on the wrist strap 200.
One end of the traction belt is wound around the first driving mechanism 310, so that the winding and unwinding of the one end of the traction belt can be realized. The other end of the traction belt is wound on the second driving mechanism 320, so that the other end of the traction belt can be retracted. The first drive mechanism 310 and the second drive mechanism 320 drive the second display 400 to move from the wristband 200 into the device cavity or to extend from the device cavity onto the wristband 200 via the pull strap.
In a specific driving process, the first driving mechanism 310 winds one end of the traction belt, and the second driving mechanism 320 gradually releases the other end of the traction belt, under the condition, the first driving mechanism 310 can gradually transfer the traction belt to the first driving mechanism 310 in the process of winding the traction belt, and then the second display screen 400 can be driven to transfer out of the inner cavity of the device. When the first driving mechanism 310 releases one end of the traction belt gradually and the second driving mechanism 320 winds the other end of the traction belt, the second driving mechanism 320 can realize that the traction belt gradually transfers to the second driving mechanism 320, and then can drive the second display screen 400 to transfer from the wrist belt 200 to the inner cavity of the device, and finally, the second display screen 400 is folded.
In the embodiment of the present invention, the length of the traction belt is large, and both ends of the traction belt are always wound around the first driving mechanism 310 and the second driving mechanism 320, respectively, no matter where the second display screen 400 is located.
In the embodiment of the present invention, the second display 400 may be coupled to the traction belt in various ways, for example, the second display 400 is attached to the traction belt so as to move along with the traction belt. The method can also be as follows: the traction belt is divided into two sections, and the second display screen 400 is connected between the two sections of the traction belt.
The first drive mechanism 310 and the second drive mechanism 320 are each capable of retracting the flexible structure. The first drive mechanism 310 and the second drive mechanism 320 may have various configurations. Specifically, the first drive mechanism 310 and the second drive mechanism 320 may be identical in structure.
Referring to fig. 6 to 10 again, in the wrist terminal apparatus according to the embodiment of the present invention, each of the first driving mechanism 310 and the second driving mechanism 320 may include a mounting seat a, a driving motor B, and a roller C. Driving motor B passes through mount pad A and sets up on equipment main part 100 or wrist strap 200, and driving motor B links to each other with cylinder C transmission, and driving motor B drive cylinder C rotates, and the traction band twines on cylinder C, and at the in-process of driving motor B work, cylinder C's rotation can realize receiving and releasing the traction band.
The wrist type terminal equipment is worn on the wrist of a user, so that the size of the wrist type terminal equipment is very important, and the wrist type terminal equipment is small and flexible while the functions are gradually strong and is the design direction of the wrist type terminal equipment. Based on this, in order to reduce the occupied space of the first driving mechanism 310 or the second driving mechanism 320, in a preferable scheme, the driving motor B may be disposed inside the drum C, and one end of the mounting seat a extends from one end port of the drum C into the drum C and is fixedly connected with the driving motor B. The other end of the mount a may be fixed to the apparatus body 100 or the wrist band 200. In the assembly structure, the driving motor B can fully utilize the internal space of the roller C, so as to realize assembly, thereby enabling the structure of the first driving mechanism 310 or the second driving mechanism 320 to be more compact and occupying less space.
As described above, the driving motor B is connected to the driving rod of the drum C so as to drive the drum C to rotate during operation. There are various transmission modes between the driving motor B and the drum C. In a preferable scheme, a driving gear D may be connected to a power output shaft of the driving motor B, a tooth surface C1 may be provided on an inner side wall of the drum C, the driving gear D is disposed inside the drum C, and the driving gear D is engaged with the tooth surface C1, so that the drum C is driven to rotate relative to the driving motor B and the mounting seat a.
In order to improve the appearance of the wrist type terminal device, as shown in fig. 8 to 10, in a more preferred embodiment, the device body 100 and the wrist band 200 may be provided with a device cavity, which is a first device cavity 120 and a second device cavity 210, respectively, the first driving mechanism 310 is disposed in the first device cavity 120, and the second driving mechanism 320 is disposed in the second device cavity 210. In particular, the wristband 200 may have a second device cavity 210, and the second drive mechanism 320 may be disposed within the second device cavity 210, the second device cavity 210 having an opening. One end of the pull strap may extend through the opening and into the second device lumen 210, through which the pull strap may be transferred during a particular operation. The built-in mode is beneficial to improving the appearance performance of the wrist type terminal equipment. Of course, the first device lumen 120 is also provided with an opening through which the other end of the pull strip may extend into the first device lumen 120.
The wrist type terminal equipment disclosed by the embodiment of the invention can be a wristwatch, an intelligent bracelet and other wrist type electronic equipment, and the embodiment of the invention does not limit the specific types of the wrist type terminal equipment.
In the above embodiments of the present invention, the difference between the embodiments is mainly described, and different optimization features between the embodiments can be combined to form a better embodiment as long as they are not contradictory, and further description is omitted here in view of brevity of the text.
The above description is only an example of the present invention, and is not intended to limit the present invention. Various modifications and alterations to this invention will become apparent to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.
Claims (5)
1. A wrist terminal apparatus comprising an apparatus main body and a wrist band, the wrist band being connected to the apparatus main body, the apparatus main body including a first display screen, wherein the wrist terminal apparatus further comprises a driving device provided on at least one of the apparatus main body and the wrist band, and a second display screen which is a flexible display screen, at least one of the apparatus main body and the wrist band having an apparatus cavity, the driving device driving the second display screen to protrude from the apparatus cavity onto the wrist band and to cover at least a part of the wrist band or to move from the wrist band into the apparatus cavity;
the driving device comprises a first driving mechanism arranged on the equipment main body and a second driving mechanism arranged on the wrist strap, the wrist strap is provided with a guide rail extending along the length direction of the wrist strap, the second display screen is in sliding fit with the guide rail, the terminal equipment comprises a traction belt, the driving device is connected with the traction belt and drives the traction belt to move, the second display screen is arranged on the traction belt and moves along with the traction belt, the traction belt is in sliding fit with the guide rail, one end of the traction belt is wound on the first driving mechanism, the other end of the traction belt is wound on the second driving mechanism, the first driving mechanism and the second driving mechanism drive the second display screen to move from the wrist strap to the equipment inner cavity or extend from the equipment inner cavity to the wrist strap through the traction belt, first actuating mechanism with second actuating mechanism all includes driving motor, mount pad and cylinder, driving motor passes through the mount pad sets up equipment subject or on the wrist area, driving motor with the cylinder transmission links to each other, driving motor drives the cylinder rotates, the traction area winding is in on the cylinder, driving motor sets up the inside of cylinder, the one end of mount pad is followed the one end port of cylinder extends within the cylinder, and with driving motor is fixed continuous.
2. The wrist terminal apparatus according to claim 1, wherein a driving gear is connected to a power output shaft of said driving motor, an inner side wall of said drum is provided with a tooth surface, said driving gear is disposed inside said drum, and said driving gear is engaged with said tooth surface.
3. The wrist terminal apparatus of claim 1, wherein the apparatus body and the wrist strap are each provided with the apparatus interior cavity and are a first apparatus interior cavity and a second apparatus interior cavity, respectively, the first drive mechanism being disposed in the first apparatus interior cavity and the second drive mechanism being disposed within the second apparatus interior cavity, the second apparatus interior cavity having an opening through which an end of the pull strap extends into the second apparatus interior cavity.
4. The wrist terminal apparatus of claim 1, wherein the length of the second display screen is equal to the length of the wrist band.
5. The wrist terminal apparatus according to claim 1, wherein the first display screen is provided with a touch virtual key for controlling the driving device, or the apparatus main body is provided with a mechanical key for controlling the driving device.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910574739.6A CN110333757B (en) | 2019-06-28 | 2019-06-28 | Wrist type terminal equipment |
| PCT/CN2020/089613 WO2020259102A1 (en) | 2019-06-28 | 2020-05-11 | Wrist terminal apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910574739.6A CN110333757B (en) | 2019-06-28 | 2019-06-28 | Wrist type terminal equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110333757A CN110333757A (en) | 2019-10-15 |
| CN110333757B true CN110333757B (en) | 2021-06-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910574739.6A Active CN110333757B (en) | 2019-06-28 | 2019-06-28 | Wrist type terminal equipment |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN110333757B (en) |
| WO (1) | WO2020259102A1 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110333757B (en) * | 2019-06-28 | 2021-06-22 | 维沃移动通信有限公司 | Wrist type terminal equipment |
| CN112137583B (en) * | 2020-09-18 | 2023-05-02 | 维沃移动通信有限公司 | Wearable device |
| CN113163033B (en) * | 2021-04-14 | 2024-02-02 | 维沃移动通信有限公司 | Electronic equipment |
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| CN104079688A (en) * | 2013-03-27 | 2014-10-01 | 赵立刚 | Wrist type mobile phone with flexible display screen |
| CN104401777A (en) * | 2014-11-05 | 2015-03-11 | 辰通智能设备(深圳)有限公司 | Paper collection device |
| CN104490020A (en) * | 2014-12-31 | 2015-04-08 | 成都艾克尔特医疗科技有限公司 | Multifunctional sports wristband |
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| CN102956161A (en) * | 2012-10-19 | 2013-03-06 | 京东方科技集团股份有限公司 | Appliance with flexible display screen |
| CN203786478U (en) * | 2014-03-19 | 2014-08-20 | 王傲立 | Intelligent watch with telescopic screen |
| US10136857B2 (en) * | 2014-05-23 | 2018-11-27 | Samsung Electronics Co., Ltd. | Adjustable wearable system having a modular sensor platform |
| CN105427750A (en) * | 2015-12-19 | 2016-03-23 | 深圳爱易瑞科技有限公司 | Wearable equipment |
| JP2019537094A (en) * | 2016-09-30 | 2019-12-19 | 深▲セン▼市柔宇科技有限公司Ｓｈｅｎｚｈｅｎ Ｒｏｙｏｌｅ Ｔｅｃｈｎｏｌｏｇｉｅｓ Ｃｏ．，Ｌｔｄ． | Electronic equipment |
| CN107067981A (en) * | 2017-04-17 | 2017-08-18 | 京东方科技集团股份有限公司 | Flexible display apparatus and mobile terminal |
| CN108762392A (en) * | 2018-05-25 | 2018-11-06 | 努比亚技术有限公司 | A kind of wearable device and its control method |
| CN109907436A (en) * | 2019-03-28 | 2019-06-21 | 努比亚技术有限公司 | Intelligent bracelet |
| CN110333757B (en) * | 2019-06-28 | 2021-06-22 | 维沃移动通信有限公司 | Wrist type terminal equipment |
-
2019
- 2019-06-28 CN CN201910574739.6A patent/CN110333757B/en active Active
-
2020
- 2020-05-11 WO PCT/CN2020/089613 patent/WO2020259102A1/en active Application Filing
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104079688A (en) * | 2013-03-27 | 2014-10-01 | 赵立刚 | Wrist type mobile phone with flexible display screen |
| CN104401777A (en) * | 2014-11-05 | 2015-03-11 | 辰通智能设备(深圳)有限公司 | Paper collection device |
| CN104490020A (en) * | 2014-12-31 | 2015-04-08 | 成都艾克尔特医疗科技有限公司 | Multifunctional sports wristband |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110333757A (en) | 2019-10-15 |
| WO2020259102A1 (en) | 2020-12-30 |
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