CN209001641U - A kind of Multifunctional portable power source - Google Patents
A kind of Multifunctional portable power source Download PDFInfo
- Publication number
- CN209001641U CN209001641U CN201822000428.2U CN201822000428U CN209001641U CN 209001641 U CN209001641 U CN 209001641U CN 201822000428 U CN201822000428 U CN 201822000428U CN 209001641 U CN209001641 U CN 209001641U
- Authority
- CN
- China
- Prior art keywords
- power source
- auxiliary
- multifunctional portable
- storage groove
- portable power
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Abstract
The utility model provides a kind of Multifunctional portable power source.Multifunctional portable power source includes: mobile power source;The bottom of the positive side of mobile power source is fixed in connection frame, the side at the back side of connection frame;The surface of storage groove, storage groove is opened in the inside of connection frame;Two liner sponges, two liner sponges are respectively arranged at the two sides of the inner wall of storage groove;One auxiliary chute, the surface of the first auxiliary chute are opened in the side at the back side for being internally located at storage groove of connection frame.A kind of Multifunctional portable power source provided by the utility model has the carrying amount for reducing auxiliary charging equipment when user goes out, different size of mobile phone can be fixed and be charged, improve the practicability of mobile power source, mobile power source can be made to be adjusted to the form of handset bracket, person more convenient to use carries out the use of mobile phone while charging, while providing different disposing ways, and structure is simple, it is easy to carry, more it is able to satisfy the demand that people use.
Description
Technical field
The utility model relates to auxiliary electronic equipment technical field more particularly to a kind of Multifunctional portable power sources.
Background technique
Along with the development and social progress of science and technology, mobile phone is also more more and more universal, during study and office
When needing using arriving corresponding mobile phone, and going out to handle official business or learn, at no fixed place charged, the electricity of mobile phone itself
Amount can not continue long time, and that mobile power source then embodies is particularly important, in the prior art, traditional mobile power source knot
Structure is single, has a single function, and mobile power source can only be square on horizontal desktop without external forces, cannot be according to reality
Demand to mobile power source carry out angle adjustment, charging when, need in addition carry charging cable carry out mobile phone charging, significantly
The carrying amount for increasing trip carry out big inconvenience especially when leaving behind charging cable for charge-carrying belt, and using the line charge that charges
It then needs to hold mobile phone on one side when electric, holds mobile power source on one side, make troubles for the trip of user.
Therefore, it is necessary to provide a kind of Multifunctional portable power source solution above-mentioned technical problem.
Utility model content
The utility model provides a kind of Multifunctional portable power source, solves existing mobile power source and has a single function, using not side
Just the problem of need in addition carrying charging cable with charging.
In order to solve the above technical problems, a kind of Multifunctional portable power source provided by the utility model, mobile power source;Connection
The bottom of the positive side of the mobile power source is fixed in frame, the side at the back side of the connection frame;Storage groove, the storage
The surface of slot is opened in the inside of the connection frame;Two liner sponges, two liner sponges are respectively arranged at described deposit
Put the two sides of the inner wall of slot;The surface of first auxiliary chute, first auxiliary chute is opened in the interior position of the connection frame
In the side at the back side of the storage groove;Two sliding panels, the surface of two sliding panels slide on first auxiliary
The inner surface of sliding slot;Two rotation axis, the side of two rotation axis rotate in the close institute of two sliding panels respectively
The side of storage groove is stated, the front of the inner wall of first auxiliary chute and extension are run through in the other side of two rotation axis
To the inside of the storage groove;Two charging plugs, the surface of two charging plugs are individually fixed in two rotations
The side of the inside for extending to the storage groove of axis;Two positioning rubbers, the side of two positioning rubbers are fixed respectively
In the opposite side of two charging plugs;Regulating tank, the regulating tank are opened in the front of the connection frame;Two tune
Knob is saved, the surface of two adjusting knobs is respectively arranged at the two sides of the regulating tank;Two adjusting brackets, two tune
The positive two sides that section frame is respectively arranged at the mobile power source are located at the position of the top of the connection frame;Multiple second auxiliary
Slot, multiple second auxiliary rooved faces are opened in the front of the mobile power source close to the one of two adjusting brackets respectively
Side;Multiple telescopic rods, the side of multiple telescopic rods are individually fixed in the opposite side of two adjusting brackets;It is multiple to stretch
Contracting spring, the inner surface of multiple adjustable springs are socketed on the outer surface of multiple telescopic rods respectively;T-slot, the T-type
The surface of slot is opened in the back side of the mobile power source;Two limits adjust ring, and two limits adjust ring and are respectively arranged at
The two sides of the inner wall of the T-slot;Auxiliary stopper block, the side of the auxiliary stopper block are fixed on the limit and adjust the interior of ring
Surface;Rotating bar, the two sides of the rotating bar pass through the inner surface that limit shaft rotates in the auxiliary stopper block;Limited block,
The outer surface of the limit shaft is fixed at the axle center of the limited block;Support rod is fixed at the top of the support rod described
The bottom of rotating bar;Support plate rotates in the bottom of the support rod at the top of the support plate;Magnetic block, the magnetic block
It is set to the bottom of the support plate;Two third auxiliary tanks, the surface of two third auxiliary tanks are opened in described respectively
The back side of mobile power source is located at the position above and below the T-slot;Two auxiliary support bars, two Auxiliary supports
The left side of bar passes through the inner surface that link block rotates in two third auxiliary tanks.
Preferably, the output end of two charging plugs is mutually adapted with the inner surface of two liner sponges and just respectively
Good clamping.
Preferably, the inside of the regulating tank and the inside of the storage groove are interconnected.
Preferably, two adjusting knobs extend to storage groove with corresponding rotation axis respectively close to the side of regulating tank
Internal side is fixedly connected.
Preferably, the side point of the separate adjusting bracket of the other side of multiple telescopic rods and multiple second auxiliary tanks
It is not fixedly connected.
Preferably, the inner surface that the outer surface of the limited block and limit adjust ring is rotatablely connected, and can only be described
It is rotated between the two sides of auxiliary stopper block, and rotational angle is between 0-60 °.
Preferably, the angle rotatable of two auxiliary support bars is 0-90 °.
Compared with the relevant technologies, a kind of Multifunctional portable power source provided by the utility model is had the following beneficial effects:
The utility model provides a kind of Multifunctional portable power source, and by being arranged, there are two what can be adjusted according to demand to fill
Plug is applicable in currently on the market two very much not congener mobile phones simultaneously, reduces auxiliary charging equipment when user goes out
Carrying amount, while it being provided with stretchable adjusting bracket, allow adjusting bracket to be fixed and charge different size of mobile phone,
The practicability for improving mobile power source, vertical and lateral adjustment structure is provided with by the back side of mobile power source, can to move
Dynamic power supply is adjusted to the form of handset bracket, and person more convenient to use carries out the use of mobile phone while charging, provides simultaneously
Different disposing ways, structure is simple, easy to carry, is more able to satisfy the demand that people use.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of a kind of preferred embodiment of Multifunctional portable power source provided by the utility model;
Fig. 2 is a kind of top view of Multifunctional portable power source provided by the utility model;
Fig. 3 is the positive structural schematic diagram of connection frame shown in FIG. 1;
Fig. 4 is a kind of structure schematic diagram of Multifunctional portable power source provided by the utility model;
Fig. 5 is the structural schematic diagram for the part that limit shown in Fig. 4 adjusts ring;
Fig. 6 is a kind of side view of Multifunctional portable power source provided by the utility model;
Fig. 7 is the structural schematic diagram of the part of support plate shown in Fig. 4.
Figure label: 1, mobile power source, 2, connection frame, 3, storage groove, 4, liner sponge, the 5, first auxiliary chute, 6, cunning
Movable plate, 7, rotation axis, 8, charging plug, 9, positioning rubber, 10, regulating tank, 11, adjusting knob, 12, adjusting bracket, 13, second is auxiliary
Help slot, 14, telescopic rod, 15, adjustable spring, 16, T-slot, 17, limit adjust ring, 18, auxiliary stopper block, 19, rotating bar, 20,
Limit shaft, 21, limited block, 22, support rod, 23, support plate, 24, magnetic block, 25, third auxiliary tank, 26, auxiliary support bar.
Specific embodiment
The utility model is described in further detail with embodiment with reference to the accompanying drawing.
Please refer to Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6 and Fig. 7, wherein Fig. 1 is one kind provided by the utility model
A kind of structural schematic diagram of preferred embodiment of Multifunctional portable power source;Fig. 2 is a kind of multi-functional shifting provided by the utility model
The top view of dynamic power supply;Fig. 3 is the positive structural schematic diagram of connection frame shown in FIG. 1;Fig. 4 is provided by the utility model one
The structure schematic diagram of kind Multifunctional portable power source;Fig. 5 is the structural schematic diagram for the part that limit shown in Fig. 4 adjusts ring;
Fig. 6 is a kind of side view of Multifunctional portable power source provided by the utility model;Fig. 7 is the part of support plate shown in Fig. 4
Structural schematic diagram.A kind of Multifunctional portable power source includes: mobile power source 1;The side of connection frame 2, the back side of the connection frame 2 is solid
Due to the bottom of the positive side of the mobile power source 1;The surface of storage groove 3, the storage groove 3 is opened in the connection frame
2 inside;Two liner sponges 4, two liner sponges 4 are respectively arranged at the two sides of the inner wall of the storage groove 3;First
Auxiliary chute 5, the surface of first auxiliary chute 5 are opened in the back side for being internally located at the storage groove 3 of the connection frame 2
Side;Two sliding panels 6, the surface of two sliding panels 6 slide on the inner surface of first auxiliary chute 5;Two
A rotation axis 7, the side of two rotation axis 7 rotate in the one of the close storage groove 3 of two sliding panels 6 respectively
Side, the other side of two rotation axis 7 run through the front of the inner wall of first auxiliary chute 5 and extend to the storage
The inside of slot 3;Two charging plugs 8, the surface of two charging plugs 8 are individually fixed in prolonging for two rotation axis 7
Extend to the side of the inside of the storage groove 3;The side of two positioning rubbers 9, two positioning rubbers 9 is individually fixed in two
The opposite side of a charging plug 8;By under the surface of positioning rubber 9 and the bottom collective effect of 3 inner wall of storage groove,
So that charging plug 8 is fixed on the middle position of the storage groove 3, reduces user and in addition carry data line, be suitable for simultaneously
Different mobile phones charge, and are user-friendly for charging, regulating tank 10, and the regulating tank 10 is opened in the connection frame 2
Front;Two adjusting knobs 11, the surface of two adjusting knobs 11 are respectively arranged at the two sides of the regulating tank 10;Two
A adjusting bracket 12, the positive two sides that two adjusting brackets 12 are respectively arranged at the mobile power source 1 are located at the connection frame 2
Top position;The inner surface of the opposite side of the adjusting bracket 12 is provided with cushion, so that adjusting bracket 12 is in opponent
Machine is fixed increases certain cushion performance simultaneously, avoids clamping from causing to wear to mobile set, improves the safety used,
Multiple second auxiliary tanks 13, multiple second auxiliary tank, 13 surfaces are opened in the front of the mobile power source 1 close to two respectively
The side of a adjusting bracket 12;The side of multiple telescopic rods 14, multiple telescopic rods 14 is individually fixed in two tune
Save the opposite side of frame 12;The inner surface of multiple adjustable springs 15, multiple adjustable springs 15 is socketed on multiple institutes respectively
State the outer surface of telescopic rod 14;T-slot 16, the surface of the T-slot 16 are opened in the back side of the mobile power source 1;Two limits
Position adjusts ring 17, and two limits adjust the two sides that ring 17 is respectively arranged at the inner wall of the T-slot 16;Auxiliary stopper block
18, the inner surface that the limit adjusts ring 17 is fixed in the side of the auxiliary stopper block 18;Rotating bar 19, the rotating bar 19
Two sides pass through the inner surface that limit shaft 20 rotates in the auxiliary stopper block 18;Limited block 21, the axis of the limited block 21
The outer surface of the limit shaft 20 is fixed at the heart;The rotating bar 19 is fixed at support rod 22, the top of the support rod 22
Bottom;Support plate 23, the top of the support plate 23 rotate in the bottom of the support rod 22;Magnetic block 24, the magnetic
Block 24 is set to the bottom of the support plate 23;The bottom on 16 surface of T-slot is provided with to be adapted with the magnetic block 24
Magnetic chuck, magnetic chuck attracts each other with magnetic block 24, and the bottom of the T-slot 16 is located at the lower section of the support plate 23
Position offer and pull hole, convenient for users to pulling support plate 23, thus carry out it is inclined put, and set in support plate 23
It sets there are two friction rubber, improves the anti-slide performance of support plate 23, ensure the stability of mobile power source 1, two third auxiliary tanks
25, the back side that the surface of two third auxiliary tanks 25 is opened in the mobile power source 1 respectively is located at the upper of the T-slot 16
The position of side and lower section;The left side of two auxiliary support bars 26, two auxiliary support bars 26 is rotated in by link block
The right side of the inner surface of two third auxiliary tanks 25, two auxiliary support bars 26 is provided with fixed fixture block, so that
Auxiliary support bar 26 can be stable the surface for being stuck in third auxiliary tank 25, while convenient for users to pull out auxiliary support bar 26.
The output end of two charging plugs 8 is mutually adapted with the inner surface of two liner sponges 4 respectively and just blocks
It connects, by the clamping and buffering of liner sponge 4, the charging plug 8 for buffering 4 pairs of sponge insertions is fixed, avoids not using
When charging plug 8, charging plug is arbitrarily slided, and is influenced mobile power source 1 and is normally used, has effective fixed function, together
When there is effective protective performance, two charging plugs 8 are respectively the plug of Type-c and the plug of Lightning, are fitted
It charges for different types of mobile phone.
The inside of the regulating tank 10 and the inside of the storage groove 3 are interconnected.
Two adjusting knobs 11 extend to storage groove 3 with corresponding rotation axis 7 respectively close to the side of regulating tank 10
Internal side is fixedly connected.
The side point of the separate adjusting bracket 12 of the other side of multiple telescopic rods 14 and multiple second auxiliary tanks 13
It is not fixedly connected, so that the adjusting bracket 12 of two sides can stretch out, in order to which various sizes of mobile phone is charged and is consolidated
It is fixed.
The inner surface that the outer surface of the limited block 21 and limit adjust ring 17 is rotatablely connected, and can only be in the auxiliary
It is rotated between the two sides of limited block 18, and rotational angle is between 0-60 °, so that mobile power source 1 be free to incline
It tiltedly puts, the usage comfort and convenience of user is turned up.
The angle rotatable of two auxiliary support bars 26 is 0-90 °, allows and tilts when 1 traverse of mobile power source
Mobile angle charges, and is set by 12 pairs of movements of adjusting bracket and is clamped and fixes, and ensures mobile phone and mobile power source 1
Stability, while convenient for users to, to the mobile use set, improving the convenience used while charging.
A kind of working principle of Multifunctional portable power source provided by the utility model is as follows:
In use, selecting the charging plug 8 of correct model when being charged, pass through mobile specified adjusting knob
11, adjusting knob 11 drives corresponding rotation axis 7 and sliding panel 6 to be moved, so that charging plug 8 is detached from liner sponge 4
Inside, when sliding panel 6 is moved to the center of the first auxiliary tank 5, rotation of adjustment knob 11, so that adjusting knob 11 is with turn
Charging plug 8 on moving axis 7 rotates synchronously so that the jack of charging plug 8 is face-up, while the surface of positioning rubber 9 with
The surface of 3 bottom of storage groove contacts with each other, so that charging plug 8 is fixed, the adjusting bracket 12 of 1 two sides of mobile power source is pulled, by hand
Machine is placed in the inside of adjusting bracket 12, and mobile phone jack and charging plug 8 are mutually plugged together, and starts to charge, and needs to adjust and fill
In electricity when the downward tilt of mobile phone, support plate 23 is pulled, so that support plate 23 drives support rod 22 to be rotated, is rotated to
Support plate 23 is rotated after maximum angle, so that the bottom of support plate 23 and desktop laid parallel, to realize the same of support mobile phone
When can charge, need to carry out horizontal direction inclination put when, pack up support plate 23 and support rod 22, pull open two it is auxiliary
Support rod 26 is helped, so that two auxiliary support bars 26 rotate to maximum angle, so that mobile phone and mobile power source 1 are in level
Inclined state meets the different use demand of people, more convenient and practical.
Compared with the relevant technologies, a kind of Multifunctional portable power source provided by the utility model is had the following beneficial effects:
The utility model provides a kind of Multifunctional portable power source, and by being arranged, there are two what can be adjusted according to demand to fill
Plug 8 is applicable in currently on the market two very much not congener mobile phones simultaneously, reduces auxiliary charging equipment when user goes out
Carrying amount, while being provided with stretchable adjusting bracket 12, allow adjusting bracket 12 different size of mobile phone is fixed and
Charging improves the practicability of mobile power source 1, vertical and lateral adjustment structure is provided with by the back side of mobile power source 1, can be with
So that mobile power source 1 is adjusted to the form of handset bracket, person more convenient to use carries out the use of mobile phone while charging, together
When different disposing ways is provided, structure is simple, easy to carry, is more able to satisfy the demand that people use.
The above description is only the embodiments of the present invention, and therefore it does not limit the scope of the patent of the utility model, all
Equivalent structure or equivalent flow shift made based on the specification and figures of the utility model, is applied directly or indirectly in
Other relevant technical fields, are also included in the patent protection scope of the utility model.
Claims (7)
1. a kind of Multifunctional portable power source characterized by comprising
Mobile power source;
The bottom of the positive side of the mobile power source is fixed in connection frame, the side at the back side of the connection frame;
Storage groove, the surface of the storage groove are opened in the inside of the connection frame;
Two liner sponges, two liner sponges are respectively arranged at the two sides of the inner wall of the storage groove;
First auxiliary chute, the surface of first auxiliary chute are opened in the storage groove that is internally located at of the connection frame
The side at the back side;
Two sliding panels, the surface of two sliding panels slide on the inner surface of first auxiliary chute;
Two rotation axis, the side of two rotation axis rotate in the close storage groove of two sliding panels respectively
Side, the other side of two rotation axis run through the front of the inner wall of first auxiliary chute and extend to the storage
The inside of slot;
Two charging plugs, what the surface of two charging plugs was individually fixed in two rotation axis extends to described deposit
Put the side of the inside of slot;
Two positioning rubbers, the side of two positioning rubbers are individually fixed in opposite one of two charging plugs
Side;
Regulating tank, the regulating tank are opened in the front of the connection frame;
Two adjusting knobs, the surface of two adjusting knobs are respectively arranged at the two sides of the regulating tank;
Two adjusting brackets, the positive two sides that two adjusting brackets are respectively arranged at the mobile power source are located at the connection frame
Top position;
Multiple second auxiliary tanks, multiple second auxiliary rooved faces are opened in the front of the mobile power source close to two respectively
The side of the adjusting bracket;
Multiple telescopic rods, the side of multiple telescopic rods are individually fixed in the opposite side of two adjusting brackets;
Multiple adjustable springs, the inner surface of multiple adjustable springs are socketed on the outer surface of multiple telescopic rods respectively;
T-slot, the surface of the T-slot are opened in the back side of the mobile power source;
Two limits adjust ring, and two limits adjust the two sides that ring is respectively arranged at the inner wall of the T-slot;
The inner surface that the limit adjusts ring is fixed in auxiliary stopper block, the side of the auxiliary stopper block;
Rotating bar, the two sides of the rotating bar pass through the inner surface that limit shaft rotates in the auxiliary stopper block;
Limited block is fixed on the outer surface of the limit shaft at the axle center of the limited block;
Support rod is fixed on the bottom of the rotating bar at the top of the support rod;
Support plate rotates in the bottom of the support rod at the top of the support plate;
Magnetic block, the magnetic block are set to the bottom of the support plate;Two third auxiliary tanks, two third auxiliary tanks
Surface be opened in the back side of the mobile power source respectively and be located at position above and below the T-slot;
Two auxiliary support bars, the left side of two auxiliary support bars pass through link block and rotate in two third auxiliary
The inner surface of slot.
2. Multifunctional portable power source according to claim 1, which is characterized in that the output end of two charging plugs point
It is not mutually adapted with the inner surface of two liner sponges and is just clamped.
3. Multifunctional portable power source according to claim 2, which is characterized in that the inside of the regulating tank and the storage
The inside of slot is interconnected.
4. Multifunctional portable power source according to claim 1, which is characterized in that two adjusting knobs are close to the one of regulating tank
The side for the inside that side extends to storage groove with corresponding rotation axis respectively is fixedly connected.
5. Multifunctional portable power source according to claim 1, which is characterized in that the other side of multiple telescopic rods and more
The side of the separate adjusting bracket of a second auxiliary tank is respectively fixedly connected with.
6. Multifunctional portable power source according to claim 1, which is characterized in that the outer surface of the limited block and limit are adjusted
The inner surface rotation connection of ring is saved, and can only be rotated between the two sides of the auxiliary stopper block, and rotational angle
Between 0-60 °.
7. Multifunctional portable power source according to claim 1, which is characterized in that two auxiliary support bars it is rotatable
Angle is 0-90 °.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201822000428.2U CN209001641U (en) | 2018-11-30 | 2018-11-30 | A kind of Multifunctional portable power source |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201822000428.2U CN209001641U (en) | 2018-11-30 | 2018-11-30 | A kind of Multifunctional portable power source |
Publications (1)
Publication Number | Publication Date |
---|---|
CN209001641U true CN209001641U (en) | 2019-06-18 |
Family
ID=66808177
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201822000428.2U Expired - Fee Related CN209001641U (en) | 2018-11-30 | 2018-11-30 | A kind of Multifunctional portable power source |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN209001641U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112346391A (en) * | 2020-12-07 | 2021-02-09 | 浙江沃森泵阀科技(集团)有限公司 | High-precision fire-fighting electrical control device |
-
2018
- 2018-11-30 CN CN201822000428.2U patent/CN209001641U/en not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112346391A (en) * | 2020-12-07 | 2021-02-09 | 浙江沃森泵阀科技(集团)有限公司 | High-precision fire-fighting electrical control device |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN205655044U (en) | Stepless lift adjustment formula graphoscope | |
CN205877664U (en) | Portable balanced handheld cloud platform of focus of adjusting | |
CN211092397U (en) | Chargeable desk | |
CN209001641U (en) | A kind of Multifunctional portable power source | |
CN108041833B (en) | Teaching is with multi-functional desk of height-adjusting of being convenient for | |
CN203590282U (en) | A handset adjustable support | |
CN208489893U (en) | A kind of Multifunctional mobile phone bracket | |
CN203457988U (en) | Multifunctional folding type computer desk | |
CN201845794U (en) | Standby solar battery for flip foldable electronic equipment | |
CN213975156U (en) | Filling operation record table storage device | |
CN206193353U (en) | Cell -phone VR glasses of seat are adjusted in area | |
CN206910026U (en) | A kind of portable computer teaching support | |
CN206149346U (en) | Hand -held type cell -phone stabilizer with structure is adjusted to focus | |
CN205792798U (en) | Multi-functional mobile phone bearing | |
CN209731344U (en) | A kind of shooting auxiliary device | |
CN208901010U (en) | A kind of electronic product support device | |
CN210608987U (en) | Solar panel installing support who facilitates use | |
CN211087669U (en) | Practical teaching aid for gravitational potential energy courses of vocational education | |
CN207729185U (en) | A kind of novel computer teaching display equipment displaying adjustment structure | |
CN203734723U (en) | Multifunctional mobile phone support | |
CN106487062A (en) | A kind of multi-functional mobile phone cradle | |
CN203354032U (en) | Multi-purpose sketching easel | |
CN206918594U (en) | A kind of Flat computer support frame of adjustable-angle | |
CN208062868U (en) | Vertical wireless charging device | |
CN214587485U (en) | Multimedia teaching device for hotel management |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190618 Termination date: 20201130 |
|
CF01 | Termination of patent right due to non-payment of annual fee |