CN108732913A - Intelligent watch with rotatable projection device and use method thereof - Google Patents
Intelligent watch with rotatable projection device and use method thereof Download PDFInfo
- Publication number
- CN108732913A CN108732913A CN201810922328.7A CN201810922328A CN108732913A CN 108732913 A CN108732913 A CN 108732913A CN 201810922328 A CN201810922328 A CN 201810922328A CN 108732913 A CN108732913 A CN 108732913A
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- projection
- projection arrangement
- smartwatch
- distance
- rotary type
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- 238000000034 method Methods 0.000 title abstract description 12
- 230000002457 bidirectional effect Effects 0.000 claims description 3
- 238000011017 operating method Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 13
- 238000005516 engineering process Methods 0.000 description 4
- 230000003044 adaptive effect Effects 0.000 description 3
- 238000001514 detection method Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000686 essence Substances 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000013519 translation Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G04—HOROLOGY
- G04G—ELECTRONIC TIME-PIECES
- G04G9/00—Visual time or date indication means
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B29/00—Combinations of cameras, projectors or photographic printing apparatus with non-photographic non-optical apparatus, e.g. clocks or weapons; Cameras having the shape of other objects
-
- 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
- G04B47/00—Time-pieces combined with other articles which do not interfere with the running or the time-keeping of the time-piece
-
- G—PHYSICS
- G04—HOROLOGY
- G04G—ELECTRONIC TIME-PIECES
- G04G17/00—Structural details; Housings
- G04G17/02—Component assemblies
- G04G17/04—Mounting of electronic components
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Projection Apparatus (AREA)
Abstract
The invention is suitable for the field of intelligent wearing, and discloses an intelligent watch with a rotatable projection device, which comprises a watch body and watchbands connected to two opposite ends of the watch body, wherein a display screen is arranged on the upper surface of the watch body, the projection device for projection is arranged on the side surface of the watch body, the projection device is rotatably connected to the watch body, the projection device comprises a rotating table, a projection lens and a distance sensor for detecting the distance from the projection lens to a projection background, the projection lens and the sensor are both positioned on the side surface of the rotating table, and a driving device for controlling the projection device to rotate is arranged in the watch body. The invention also provides a using method of the intelligent watch with the rotatable projection device, which is used for the intelligent watch with the rotatable projection device. According to the intelligent watch with the rotatable projector and the using method thereof, provided by the invention, the projection angle of the projection lens can be adjusted in a self-adaptive manner, a better projection effect is realized, and the use experience is improved.
Description
Technical field
The invention belongs to field of intelligent wear more particularly to a kind of smartwatch with rotary type projection arrangement and its
Application method.
Background technology
With the technology development of smartwatch and using popularizing, more and more abundant information displaying is had on smartwatch,
Due to being limited by smartwatch volume and size, the screen size for showing information is also restrained, to expire
The display of sufficient multi information, such as video, picture are difficult to possess preferable bandwagon effect on smaller screen, seriously affect user
Usage experience.The flexible display characteristic of shadow casting technique can preferably solve the problems, such as smartwatch screen display limitation, though
So currently also there are the relevant technologies that can realize that projectable shows on smartwatch, but existing technology is there is also many drawbacks, than
If the angle of projection is relatively fixed, automatic be applicable in can not be carried out according to the position and ambient condition that wrist-watch is placed and shown so that thrown
Shadow effect poor display.
Invention content
The present invention is directed at least solve one of above-mentioned technical problem, a kind of intelligence with rotary type projection arrangement is provided
Energy wrist-watch and its application method, the projection angle of adjustment projection lens that can be adaptive, realize preferable drop shadow effect, are promoted
The usage experience of user.
The technical scheme is that：A kind of smartwatch with rotary type projection arrangement, including wrist-watch ontology and
It is connected to the watchband of the wrist-watch ontology opposite end, the upper surface of the wrist-watch ontology is provided with display screen, the wrist-watch sheet
The side of body is provided with the projection arrangement for projection, and the projection arrangement rotatable connection is in the wrist-watch ontology, the projection
Device includes turntable, projection lens and the range sensor for detecting the projection lens to projected background distance, described
Projection lens and the sensor are respectively positioned on the side of the turntable, are provided in the wrist-watch ontology for controlling the throwing
The driving device of image device rotation.
Specifically, the driving device drives the turntable to rotate by gear drive.
Specifically, the maximum rotation angle of the turntable is 360 °.
Specifically, the turntable bidirectional rotary type is connected to the wrist-watch ontology.
Specifically, the range sensor includes for obtaining to the first range sensor of the first distance of projected background
With for obtaining to the second distance sensor of the second distance of projected background, first range sensor and described second away from
Apart from sensor.
Specifically, the range sensor is laser sensor or infrared sensor.
Specifically, first range sensor and the second distance sensor along the turntable circumferencial direction and
It is symmetrical arranged about the projection lens.
Specifically, the projection arrangement is additionally provided with the light intensity sensor for adjust automatically projection brightness.
Specifically, be provided with circuit board in the wrist-watch ontology, the circuit board be provided with for detect described first away from
It whether is in the control device in imposing a condition from the absolute value of the difference with second distance, the control device is electrically connected to described
Driving device.
The present invention also provides a kind of operating methods of the smartwatch with rotary type projection arrangement, for above-mentioned
A kind of smartwatch with rotary type projection arrangement, includes the following steps：
S1, start projection arrangement, set projection condition h and obtain the initial angle of projection arrangement；
S2, the first distance h1 of acquisition is detected to projected background by the first range sensor and second distance sensor
With second distance h2；
S3, the difference for calculating h1 and h2 simultaneously preserve its absolute value；
S4, judge whether to meet condition Shu h1-h2 Shu≤h,
If Shu h1-h2 Shu≤h, starts projection lens and carry out Projection Display；
If Shu h1-h2 Shu ﹥ h, are controlled projection arrangement and are rotated to new angle with the angular speed set and time；
S5, after projection arrangement is rotated to new angle, whether judge the angle of the accumulative rotation of projection arrangement more than 360 °,
If the angle of the accumulative rotation of projection arrangement is no more than 360 °, repeatedly step S2-S4 carries out the judgement of a new round；
If the angle of the accumulative rotation of projection arrangement is more than 360 °, user is reminded to move position and end operation.
A kind of smartwatch with rotary type projection arrangement provided by the present invention, by the side of wrist-watch ontology
On be provided with rotatable projection arrangement, and detect projection lens and projected background using the range sensor on projection arrangement
The distance between, and rotated according to the distance detected to control projection arrangement, adaptively projection lens is adjusted to conjunction
Suitable projection angle is projected, and to realize preferable drop shadow effect, promotes the usage experience of user.
Description of the drawings
It to describe the technical solutions in the embodiments of the present invention more clearly, below will be to needed in the embodiment
Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for ability
For the those of ordinary skill of domain, without creative efforts, it can also be obtained according to these attached drawings other attached
Figure.
Fig. 1 is a kind of structural representation of smartwatch with rotary type projection arrangement provided in an embodiment of the present invention
Figure；
Fig. 2 is projection arrangement in a kind of smartwatch with rotary type projection arrangement provided in an embodiment of the present invention
Operating diagram；
Fig. 3 is a kind of workflow of smartwatch with rotary type projection arrangement provided in an embodiment of the present invention
Figure.
Specific implementation mode
In order to make the purpose , technical scheme and advantage of the present invention be clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
It should be noted that term " setting ", " connection " shall be understood in a broad sense, for example, it may be directly arranged, install,
Connection, can also be indirectly arranged by component placed in the middle, center configuration, is connected.
In addition, " longitudinal direction " in the embodiment of the present invention, " transverse direction ", " length ", " width ", " thickness ", "upper", "lower", " preceding ",
The orientation or positional relationship of the instructions such as " rear ", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside" is based on attached
Orientation or positional relationship shown in figure, is merely for convenience of description of the present invention and simplification of the description, rather than indicates or imply and is signified
Structure, feature, device or element must have a particular orientation, with specific azimuth configuration and operation, therefore cannot understand
For limitation of the present invention.In the description of the present invention, unless otherwise indicated, the meaning of " plurality " is two or more.
Described each particular technique feature in a specific embodiment in the case of no contradiction can be by appointing
What suitable mode is combined, such as can form different embodiments by the combination of different particular technique features,
In order to avoid unnecessary repetition, the various combinations of possible ways of each particular technique feature are no longer separately said in the present invention
It is bright.
As depicted in figs. 1 and 2, a kind of smartwatch with rotary type projection arrangement 4 provided in an embodiment of the present invention,
Including wrist-watch ontology 1 and the watchband 2 for being connected to 1 opposite end of wrist-watch ontology, the upper surface of the wrist-watch ontology 1 is provided with
Display screen 3, wrist-watch ontology 1 is interior to have battery, and for giving wrist-watch ontology 1 to power, the side of the wrist-watch ontology 1, which is provided with, to be used for
The projection arrangement 4 of projection, for the rotatable connection of the projection arrangement 4 in the wrist-watch ontology 1, the projection arrangement 4 includes turntable
41, projection lens 42 and for detecting range sensor 43 of the projection lens 42 away from projected background 5, the turntable 41 can
Cylindrical, the projection lens 42 and the range sensor 43 can be respectively positioned on side (the i.e. turntable of the turntable 41
41 periphery) on, the other side of wrist-watch ontology 1 may be provided with switch key, to avoid switch key from hindering projection arrangement 4
Projection sight, be provided in the wrist-watch ontology 1 and (do not show in figure for controlling the driving device of the rotation of the projection arrangement 4
Go out).When carrying out projection work, first set the condition that is projected of projection arrangement 4, then start range sensor 43 detect its with
Position relationship between projected background 5, and judged according to the distance detected, turntable is then controlled by driving device
41 rotations, the projection angle of adaptive adjustment projection lens 42 so that the image energy of projection is complete in projected background 5, can
It is shown by ground, realizes preferable drop shadow effect, to promote the usage experience of user.It can be applied to several scenes, and
Easy to operate, practicability is good.
Specifically, the driving device drives the turntable 41 to rotate by gear drive, which can be used
Motor is as power plant, it is easy to accomplish lightness, miniaturization will not increase the weight of wrist-watch ontology 1 and increase wrist-watch ontology 1
Volume, while the gear-driven kind of drive is steady, accurately, is conducive to accurately control 4 rotation angle of projection arrangement.Certainly,
It is to be appreciated that the driving device can also use other kind of drive such as transmission shaft driven, V belt translation etc..
In practical application, turntable 41 can be also other shapes such as cylindroid, cuboid and triangular prism etc., only need to ensure to throw
Shadow camera lens 42 and range sensor 43 are respectively positioned on the side of turntable 41, to improve the three-dimensional sense of smartwatch, are met
Different aesthetic requirements of the user to smartwatch appearance.
Specifically, the maximum rotation angle of the turntable is 360 °, and 41 bidirectional rotary type of the turntable is connected to
The wrist-watch ontology 1, i.e. turntable 41 can along clockwise direction or/and counterclockwise be rotated relative to wrist-watch ontology 1.Make throwing
Shadow camera lens 42 can make comprehensive rotation, be projected with selecting suitable projection angle, while projection image can be with projection
The variation of 42 position of camera lens and realize self adjust, drop shadow effect is good, can be applied to the operative scenario of varying environment.
Specifically, as depicted in figs. 1 and 2, the range sensor 43 include for obtain to the first of projected background 5 away from
The first range sensor 431 from h1 and for obtaining to the second distance sensor 432 of the second distance h2 of projected background 5,
Apart, the range sensor 43 is laser sensor for first range sensor 431 and the second distance sensor 432
Or infrared sensor.The circle of first range sensor 431 and the second distance sensor 432 along the turntable 41
Circumferential direction and about the projection lens 42 be symmetrical arranged.First range sensor 431, second distance sensor 432 and projection
Camera lens 42 is located on the same semicircle.Wherein, projection lens 42, the first range sensor 431 and second distance sensor 432 can
In the same plane, i.e. the center of projection lens 42, the first range sensor 431 and second distance sensor 432 is respectively positioned on
On same circumference, which is parallel to the section of turntable 41；Alternatively, the first range sensor 431 and second distance sensing
Device 432 can be in the same plane, i.e., the center of the first range sensor 431 and second distance sensor 432 is respectively positioned on same
On circumference, which is parallel to the section of turntable 41, meanwhile, projection lens 42 is set to the left or right side of the plane, this
Sample, to ensure that the detection route of the first range sensor 431 and second distance sensor 432 is in upper and lower parastate always,
So as to the position relationship between accurate, sensitive reaction projection lens 42 and projected background 5.
Specifically, the projection arrangement 4 is also provided with the light intensity sensor (figure for adjust automatically projection brightness
In be not shown), light intensity sensor can be set to the upper surface or aobvious of turntable 41, projection lens 42 or wrist-watch ontology 1
The suitable place such as by the camera of display screen 3, can be according to the working environment of projection, and the illumination of adaptive adjustment projection lens 42 is bright
Degree, further increases that drop shadow effect is good, and user experience is good.
Specifically, the projection arrangement 4 is also provided with the angular transducer for monitoring 42 angle of the projection lens
(not shown), convenient for reading the angle of projection lens 42 in real time, to effectively record the rotation angle of projection lens 42,
After projection, projection arrangement 4 can be rotated back into initial position by driving device.
Specifically, be provided with circuit board in the wrist-watch ontology 1, the circuit board be provided with for detect described first away from
Whether the absolute value of the difference from h1 and second distance h2 is located at the control device (not shown) in imposing a condition, the control
Device is electrically connected to the driving device.The projection condition for defining the projection arrangement 4 is Shu h1-h2 Shu≤h, when Shu h1-h2 Shu's
When value is less than h, then illustrate that projected background 5 is smaller relative to the inclination angle of projection lens 42, drop shadow effect is good, wherein Shu h1-h2 Shu
Value it is smaller, then drop shadow effect is better, when the value of Shu h1-h2 Shu be 0 when, illustrate the first range sensor 431 and second distance biography
The detecting distance of sensor 432 is equal, and for 42 upright projection of projection lens in projected background 5, drop shadow effect is best at this time；As Shu h1-
When the value of h2 Shu is more than h, then illustrate that projected background 5 is larger relative to 42 inclination angle of projection lens, drop shadow effect is bad at this time, throws
Shadow will appear phenomena such as stretching, distortion.
Specifically, the display screen 3 can be touch screen, can reduce the operation button of wrist-watch ontology 1 accordingly, make wrist-watch sheet
1 tailored appearance of body promotes the complete machine image of wrist-watch ontology 1, and simple operation, and suitable for the user of different age group.
In practical application, projection arrangement 4 can be placed in wrist-watch ontology 1, in use, can be by projection arrangement 4 from wrist-watch sheet
It releases in body 1, after use, then by the withdrawal wrist-watch of projection arrangement 4 ontology 1, plays a protective role to projection arrangement 4.
As shown in figure 3, the present invention also provides a kind of smartwatch with rotary type projection arrangement application method,
For a kind of above-mentioned smartwatch with rotary type projection arrangement, include the following steps：
S1, start projection arrangement 4, set projection condition h and obtain the initial angle of projection arrangement 4；
S2, projected background 5 is detected by the first range sensor 431 and second distance sensor 432, control dress
Set obtain the first range sensor 431 and second distance sensor 432 detection signal, and be translated into the first distance h1 and
Second distance h2；
S3, the difference for calculating h1 and h2 simultaneously preserve its absolute value；
S4, judge whether to meet condition Shu h1-h2 Shu≤h by control device；
If Shu h1-h2 Shu≤h illustrate that the inclination angle between projection lens 42 and projected background 5 meets projection requirements, start
Projection lens 42 carries out Projection Display in projected background 5, completes projection operation；
If Shu h1-h2 Shu ﹥ h, illustrate that the inclination angle between projection lens 42 and projected background 5 is unsatisfactory for projection requirements, control
Projection arrangement 4 processed is rotated with the angular speed and time of setting to new angle, the .ns that can each rotational time be set to 1s, 2s ...,
Wherein the direction of rotation of projection arrangement 4 is only clockwise or counterclockwise facing one direction.
S5, after projection arrangement 4 is rotated to new angle, judge the accumulative rotation of projection arrangement 4 angle whether be more than
360 °, that is, when the rotation one time of projection arrangement 4, then rotate primary angle by it and judge, when projection arrangement 4 rotates repeatedly
When, then the angle of its multiple rotary is overlapped and is judged again,
If the angle of the accumulative rotation of projection arrangement 4 is no more than 360 °, repeatedly step S2-S4 carries out the judgement of a new round；
If the angle of the accumulative rotation of projection arrangement 4 is more than 360 °, illustrate smartwatch on this position without suitable
Projection angle, at this time control device can send out signal remind user move smartwatch position and end operation.
A kind of smartwatch and its application method with rotary type projection arrangement that the embodiment of the present invention is provided lead to
It crosses on the side of wrist-watch ontology 1 and is provided with rotatable projection arrangement 4, and utilize the range sensor 43 on projection arrangement 4
To detect the distance between projection lens 42 and projected background 5, and revolved according to the distance detected to control projection arrangement 4
Turn, adaptively projection lens 42 is adjusted to suitable projection angle and is projected, to realize preferable drop shadow effect, is promoted
The usage experience of user.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
Any modification, equivalent replacement or improvement etc., should all be included in the protection scope of the present invention made by within refreshing and principle.
Claims (10)
1. a kind of smartwatch with rotary type projection arrangement, including wrist-watch ontology are opposite with the wrist-watch ontology is connected to
The upper surface of the watchband at both ends, the wrist-watch ontology is provided with display screen, which is characterized in that the side of the wrist-watch ontology is arranged
It is useful for the projection arrangement of projection, in the wrist-watch ontology, the projection arrangement includes rotation for the projection arrangement rotatable connection
Platform, projection lens and the range sensor for detecting the projection lens to projected background distance, the projection lens and institute
The side that sensor is respectively positioned on the turntable is stated, is provided in the wrist-watch ontology for controlling the projection arrangement rotation
Driving device.
2. a kind of smartwatch with rotary type projection arrangement as described in claim 1, which is characterized in that the driving
Device drives the turntable to rotate by gear drive.
3. a kind of smartwatch with rotary type projection arrangement as claimed in claim 2, which is characterized in that the rotation
The maximum rotation angle of platform is 360 °.
4. a kind of smartwatch with rotary type projection arrangement as claimed in claim 3, which is characterized in that the rotation
Platform bidirectional rotary type is connected to the wrist-watch ontology.
5. a kind of smartwatch with rotary type projection arrangement as described in claim 1, which is characterized in that the distance
Sensor include for obtain to the first range sensor of the first distance of projected background and for obtain to projected background it
The second distance sensor of second distance, first range sensor and the second distance sensor are apart.
6. a kind of smartwatch with rotary type projection arrangement as claimed in claim 5, which is characterized in that the distance
Sensor is laser sensor or infrared sensor.
7. a kind of smartwatch with rotary type projection arrangement as claimed in claim 6, which is characterized in that described first
Range sensor and the second distance sensor along the turntable circumferencial direction and symmetrically set about the projection lens
It sets.
8. a kind of smartwatch with rotary type projection arrangement as described in claim 1, which is characterized in that the projection
Device is additionally provided with the light intensity sensor for adjust automatically projection brightness.
9. such as a kind of smartwatch with rotary type projection arrangement described in any item of the claim 1 to 8, feature exists
In being provided with circuit board in the wrist-watch ontology, the circuit board is provided with for detecting first distance and second distance
Absolute value of the difference whether the control device in imposing a condition, the control device is electrically connected to the driving device.
10. a kind of operating method of the smartwatch with rotary type projection arrangement, which is characterized in that for such as claim
A kind of smartwatch with rotary type projection arrangement described in any one of 1 to 9, includes the following steps：
S1, start projection arrangement, set projection condition h and obtain the initial angle of projection arrangement；
S2, it projected background is detected by the first range sensor and second distance sensor obtains the first distance h1 and the
Two distance h2；
S3, the difference for calculating h1 and h2 simultaneously preserve its absolute value；
S4, judge whether to meet condition Shu h1-h2 Shu≤h,
If Shu h1-h2 Shu≤h, starts projection lens and carry out Projection Display；
If Shu h1-h2 Shu ﹥ h, are controlled projection arrangement and are rotated to new angle with the angular speed set and time；
S5, after projection arrangement is rotated to new angle, whether judge the angle of the accumulative rotation of projection arrangement more than 360 °,
If the angle of the accumulative rotation of projection arrangement is no more than 360 °, repeatedly step S2-S4 carries out the judgement of a new round；
If the angle of the accumulative rotation of projection arrangement is more than 360 °, user is reminded to move position and end operation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810922328.7A CN108732913A (en) | 2018-08-14 | 2018-08-14 | Intelligent watch with rotatable projection device and use method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810922328.7A CN108732913A (en) | 2018-08-14 | 2018-08-14 | Intelligent watch with rotatable projection device and use method thereof |
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| Publication Number | Publication Date |
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| CN108732913A true CN108732913A (en) | 2018-11-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810922328.7A Pending CN108732913A (en) | 2018-08-14 | 2018-08-14 | Intelligent watch with rotatable projection device and use method thereof |
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| Country | Link |
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| CN (1) | CN108732913A (en) |
Cited By (6)
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| CN109683463A (en) * | 2019-01-28 | 2019-04-26 | 河南大学 | A kind of intelligence projection clock device |
| CN110177235A (en) * | 2018-11-06 | 2019-08-27 | 广东小天才科技有限公司 | Video synchronization method based on wearable device and wearable device |
| CN112099334A (en) * | 2020-10-13 | 2020-12-18 | 湖南中易顺电子科技有限公司 | Wearable intelligent watch with rotatable projection assembly |
| CN112716117A (en) * | 2020-12-28 | 2021-04-30 | 维沃移动通信有限公司 | Intelligent bracelet and control method thereof |
| CN113709434A (en) * | 2021-08-31 | 2021-11-26 | 维沃移动通信有限公司 | Projection bracelet and projection control method and device thereof |
| CN113813570A (en) * | 2021-09-22 | 2021-12-21 | 弗瑞尔(北京)科技有限公司 | Physical fitness test method, system, electronic equipment and storage medium |
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| CN112716117B (en) * | 2020-12-28 | 2023-07-14 | 维沃移动通信有限公司 | Intelligent bracelet and control method thereof |
| CN113709434A (en) * | 2021-08-31 | 2021-11-26 | 维沃移动通信有限公司 | Projection bracelet and projection control method and device thereof |
| CN113813570A (en) * | 2021-09-22 | 2021-12-21 | 弗瑞尔(北京)科技有限公司 | Physical fitness test method, system, electronic equipment and storage medium |
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