CN209250848U - Cradle and bluetooth headset component - Google Patents
Cradle and bluetooth headset component Download PDFInfo
- Publication number
- CN209250848U CN209250848U CN201920215655.9U CN201920215655U CN209250848U CN 209250848 U CN209250848 U CN 209250848U CN 201920215655 U CN201920215655 U CN 201920215655U CN 209250848 U CN209250848 U CN 209250848U
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- groove
- charging
- earphone
- card drum
- bluetooth headset
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Abstract
The utility model discloses a kind of cradle and bluetooth headset components, setting charging display unit on box body outer wall, earphone placement plate, charging box battery and charging panel are provided in box body, earphone placing groove in earphone placement plate includes the first groove body and the second groove body, the first charging contact is provided in first groove body, the second charging contact is provided in second groove body, the first charging contact and the second charging contact are electrically connected with charging panel；The inner rotation of lid is provided with fixed plate, rectangular card drum and circular card drum are provided in fixed plate, the side wall of rectangular card drum and circular card drum is circumferentially provided with the first thread jamming part, fixed plate is provided with the second thread jamming part and locking piece far from the side of rotation axis, and sticking department corresponding with locking piece is provided on the shell of lid.Cradle and bluetooth headset component provided by the utility model can be charged and be stored to wired bluetooth headset and wireless bluetooth headset.
Description
Technical field
The utility model relates to bluetooth headset technical fields, and in particular to a kind of cradle and bluetooth headset component.
Background technique
With the development of ear phone technology, bluetooth headset because its convenience gradually come into people's lives, allowing makes
User can exempt impeding for irritating electric wire, and comfortable ground is easily conversed in various ways, listens to music, and when driving wears bluetooth ear
Machine does not just have to one hand when phone is come in and holds steering wheel, increases the safety of driving, avoids taking mobile phone when driving and being scored yet
Punishment, also wearable bluetooth headset in motion process, listens to music while movement.
In the prior art, different bluetooth headsets is commonly used in different occasions, when driving, seeing TV, listen to music
It is generally used without the bluetooth headset of line, during the motion, the bluetooth headset with line is often worn, avoids earphone in motion process
Often fall, it is charging bluetooth earphone that the charging modes of bluetooth headset, which are all using charging bluetooth earphone device, in the prior art, by
Power supply is needed in charger, therefore when outgoing, can not be charged in real time to bluetooth headset, therefore people have invented bluetooth ear
Machine charging box, but existing bluetooth headset needs to match different charging boxes according to different types, wired bluetooth headset and
Wireless bluetooth headset can not be used in conjunction with a charging box, so that carrying and using inconvenience.
Utility model content
The purpose of the utility model is to provide a kind of cradle and bluetooth headset components, in the prior art above-mentioned to solve
Shortcoming.
To achieve the goals above, the utility model provides the following technical solutions:
A kind of charging bluetooth earphone seat, including box body and lid, setting charging display unit, the box on the box body outer wall
It is provided with earphone placement section, charging box battery and charging panel in vivo, the earphone placement section includes earphone placement plate, the earphone
Placement plate is embedded in the inside of the box body, and earphone placing groove is provided in the earphone placement plate, and the earphone is placed
Slot includes the first groove body and the second groove body, and there are two first groove bodies, and two first groove bodies are symmetricly set on the ear
The left and right sides of machine placement plate is provided with the first charging contact in first groove body, is provided with second in second groove body
Charging contact, first charging contact and the second charging contact are electrically connected with the charging panel；The inside of the lid is set
It is equipped with fixed plate, the fixed plate is fixed on the inner wall of the lid by rotation axis rotation, is provided in the fixed plate
It is provided with the first thread jamming part on the side wall of rectangular card drum and circular card drum, the rectangular card drum and circular card drum,
First thread jamming part is respectively along the circumferential setting of the rectangular card drum and circular card drum, the circumferential direction of the circular card drum
Length between the circumferential lengths of the rectangular card drum a quarter between half, the fixed plate turns far from described
The side of moving axis is provided with the second thread jamming part and locking piece, is provided on the shell of the lid corresponding with the locking piece
Sticking department, second thread jamming part have it is multiple, multiple second thread jamming parts along the fixed plate side interval be arranged, it is described
Second thread jamming part includes round through hole, and opening card slot is provided on the circle through hole, and the size of the opening card slot is small
In the size of the round through hole.
Above-mentioned charging bluetooth earphone seat, first groove body include connected circular groove and arc groove, the circle
Connected in star depth is greater than the depth of the arc groove, and first charging contact is arranged in the arc groove.
Above-mentioned charging bluetooth earphone seat, arc holding tank is provided on the side wall of the arc groove, and the arc holds
It receives and is provided with power-off gasket in slot, power-off groove corresponding with the first charging electric shock is provided on the power-off gasket.
Above-mentioned charging bluetooth earphone seat, second groove body are strip groove, and the strip groove is along the box body
Length direction setting, the length direction two sides of the strip groove are provided with strip-shaped clamp groove, the strip-shaped clamp groove and the bar shaped
Groove communicates, and buckle is provided in the strip-shaped clamp groove.
Above-mentioned charging bluetooth earphone seat, first thread jamming part include along the rectangular card drum and circular card drum side
The annular slot that wall is circumferentially arranged, the annular slot have multiple, and multiple annular slots are respectively along the rectangular card drum
It is arranged with the short transverse interval of circular card drum.
Above-mentioned charging bluetooth earphone seat, the annular slot include annular trough body and are arranged on the outside of the annular trough body
Annular embedded groove, it is described annular embedded groove size be less than the annular trough body size.
A kind of bluetooth headset component, the cradle including bluetooth headset and for accommodating bluetooth headset, which is characterized in that institute
Stating cradle is above-mentioned charging bluetooth earphone seat.
In the above-mentioned technical solutions, cradle and bluetooth headset component provided by the utility model, including box body and lid,
Charging display unit is set on box body outer wall, is provided with earphone placement section, charging box battery and charging panel, earphone placement section in box body
On earphone placing groove include the first groove body and the second groove body, be respectively arranged in the first groove body and the second groove body and the second groove body
First charging contact and the second charging contact can charge to the bluetooth headset without line by the first groove body, pass through second
Groove body can charge to the movement bluetooth headset with line, so that a charging box can be simultaneously to wired bluetooth headset
It charges with wireless bluetooth headset, increases convenience for user, while being internally provided with fixed plate in lid, pass through fixation
The wire body of the bluetooth headset with line can be fixed in rectangular card drum and circular card drum on plate, convenient for band line bluetooth ear
The charging and storage of machine.
Detailed description of the invention
In order to illustrate the technical solutions in the embodiments of the present application or in the prior art more clearly, below will be to institute in embodiment
Attached drawing to be used is needed to be briefly described, it should be apparent that, the accompanying drawings in the following description is only to record in the utility model
Some embodiments be also possible to obtain other drawings based on these drawings for those of ordinary skill in the art.
Fig. 1 is the structural schematic diagram of charging bluetooth earphone seat provided by the embodiment of the utility model；
Fig. 2 is the structural schematic diagram of earphone placement plate provided by the embodiment of the utility model；
Fig. 3 is the structural schematic diagram of fixed plate provided by the embodiment of the utility model；
Fig. 4 is the structural schematic diagram of the first thread jamming part provided by the embodiment of the utility model.
Description of symbols:
1, box body；1.1, charge display unit；2, earphone placement plate；3, the first groove body；3.1, circular groove；3.2, arc is recessed
Slot；3.3, the first charging contact；3.4, arc holding tank；3.5, gasket is powered off；4, the second groove body；4.1, the second charging contact；
4.2, strip groove；4.3, strip-shaped clamp groove；4.4, it buckles；5, lid；5.1, sticking department；6, fixed plate；6.1, rectangular card drum；
6.2, circular card drum；6.3, the first thread jamming part；6.3.1, annular trough body；6.3.2, annular embedded groove；6.4, the second thread jamming part；
6.4.1, round through hole；6.4.2, opening card slot；6.5, locking piece；6.6, rotation axis.
Specific embodiment
In order to make those skilled in the art more fully understand the technical solution of the utility model, below in conjunction with attached drawing pair
The utility model is further detailed.
As shown in Figs 1-4, a kind of charging bluetooth earphone seat provided by the embodiment of the utility model, including box body 1 and lid
5, setting charging display unit 1.1 on 1 outer wall of box body is provided with earphone placement section, charging box battery and charging panel, ear in box body 1
Machine placement section includes earphone placement plate 2, and earphone placement plate 2 is embedded in the inside of box body 1, is provided in earphone placement plate 2
Earphone placing groove, earphone placing groove include the first groove body 3 and the second groove body 4, and there are two the first groove bodies 3, and two the first groove bodies 3 are right
Claim the left and right sides that earphone placement plate 2 is arranged in, to be provided with the first charging contact 3.3 in the first groove body 3, set in the second groove body 4
It is equipped with the second charging contact 4.1, the first charging contact 3.3 and the second charging contact 4.1 are connected with charging panel；Lid 5
It is internally provided with fixed plate 6, fixed plate 6 is fixed on the inner wall of lid 5 by the rotation of rotation axis 6.6, is provided in fixed plate 6
First is provided on the side wall of rectangular card drum 6.1 and circular card drum 6.2, rectangular card drum 6.1 and circular card drum 6.2
Thread jamming part 6.3, the first thread jamming part 6.3 is respectively along the circumferential setting of rectangular card drum 6.1 and circular card drum 6.2, round card line
The perimeter length of disk 6.2 between the perimeter length of rectangular card drum 6.1 a quarter between half, fixed plate 6 is remote
Side from rotation axis 6.6 is provided with the second thread jamming part 6.4 and locking piece 6.5, is provided on the shell of lid 5 and locking piece
6.5 corresponding sticking departments 5.1, the second thread jamming part 6.4 have multiple, and multiple second open side interval of the thread jamming part along fixed plate 6
Setting, the second thread jamming part 6.4 include being provided with opening card slot 6.4.2 on round through hole 6.4.1, round through hole 6.4.1, are opened
The size of mouth card slot 6.4.2 is less than the size of round through hole 6.4.1.
Specifically, box body 1 can be cuboid structure, it is also possible to other shape and structures, charging display unit 1.1 is set
It sets in the middle position of 1 outer wall of box body, the display unit 1.1 that charges can show the charging situation of battery, in the present embodiment
Charging display unit 1.1 be the electric-quantity display device being arranged on 1 side wall of box body, the display left and right sides show respectively earphone charge into
Spend item, percentages show charging box battery allowance among display, earphone electricity progress bar when earphone charges, on screen
Can up add by lattice number, until it is full electricity until, earphone charge when earphone indicator light when send out a warning it is full electricity after brilliant blue lamp, charging
When box battery, percentage also can be always up plus until 100%, when earphone is put into the charging of charging storehouse, storehouse meeting of charging
Bright light is turned off the light automatically after 5 seconds；Box body 1 is internally provided with earphone placement section, charging box battery and charging panel, earphone placement section
Including earphone placement plate 2, each side of earphone placement plate 2 is mutually fixed with the inner wall of box body 1, and charging box battery and charging panel are placed
Between earphone placement plate 2 and the bottom of box body 1, earphone placing groove is provided in earphone placement plate 2, earphone placing groove is earphone
2 part of placement plate, which is recessed downwards, forms the concave part consistent with earphone shape for placing when earphone charges, earphone placing groove
Including the first groove body 3 and the second groove body 4, there are two the first groove bodies 3, and two the first groove bodies 3 are used for the bluetooth headset without line
Charge, two the first groove bodies 3 are symmetricly set on the left and right sides of earphone placement plate 2, respectively correspond to left bluetooth headset and
Right bluetooth headset charges, and the second groove body 4 is for charging to the bluetooth headset with line, so that 1 energy of box body
It is enough to charge to different bluetooth headsets so that user only need to carry a charging box in travelling, outdoor sports can
It is charged with meeting to different bluetooth headsets, the second groove body 4 is arranged along the length direction of box body 1, sets in the second groove body 4
It is equipped with the second charging contact 4.1, can be charged to the bluetooth headset with line by the second charging contact 4.1, in the first slot
It is provided with the first charging contact 3.3 in body 3, can be charged to the first bluetooth headset by the first charging contact 3.3, first fills
The charging structure of electric contact 3.3 and the second charging contact 4.1 and existing bluetooth headset matches.
In the present embodiment, to be internally provided with fixed plate 6 in lid 5 convenient for the bluetooth headset with line is fixed,
The wire body of bluetooth headset can be fixed by fixed plate 6, fixed plate 6 is fixed on lid 5 by the rotation of rotation axis 6.6
On inner wall, fixed plate 6 can be collected to the inside of lid 5, can also be popped up from the inside of lid 5, can be set inside lid 5
Other structures such as elastic component, such as compressed spring are equipped with, fixed plate 6 are popped up inside lid 5, in fixed plate 6
On be provided with rectangular card drum 6.1 and circular card drum 6.2, be all provided on the side wall of rectangular card drum 6.1 and circular card drum 6.2
It is equipped with the first thread jamming part 6.3, the first thread jamming part 6.3, which can be, to be arranged in rectangle and burst at the seams on 6.2 side wall of disk and circular card drum
Card line groove or card line button, the first thread jamming part 6.3 are arranged along rectangular card drum 6.1 and the circumferential of circular card drum 6.2 respectively,
When charging to the bluetooth headset with line, the wire body of bluetooth headset can be fixed on rectangular card drum 6.1 and circular card drum
On the first thread jamming part 6.3 on 6.2, the size of circular card drum 6.2 is less than the size of rectangular card drum 6.1, circular card drum
6.2 circumferential lengths between the circumferential lengths of rectangular card drum 6.1 a quarter between half, so pass through circle
Card line disk 6.2 and rectangular card drum 6.1, which match, the wire body of different length is fixed, in fixed plate 6 far from rotation
The side of axis 6.6 is provided with the second thread jamming part 6.4 and locking piece 6.5, is provided with sticking department 5.1, sticking department on the shell of lid 5
5.1 are correspondingly arranged with locking piece 6.5, and being matched by sticking department 5.1 and locking piece 6.5 can collect fixed plate 6 to lid 5
Inside and locked, when needing to carry out to carry out in use, by between sticking department 5.1 and locking piece 6.5 fixed plate 6
Unlock aloows fixed plate 6 to pop up inside lid 5, and locking piece 6.5 can be the locking being arranged on 6 side of fixed plate
Raised line, sticking department 5.1 are the locking opening or latch recess being correspondingly arranged on 5 shell of lid, the second card line in fixed plate 6
Portion 6.4 has multiple, and the second thread jamming part 6.4 is pierced by box body 1 convenient for wire body inside lid 5, and the second thread jamming part 6.4 includes circle
Shape through hole 6.4.1, round through hole 6.4.1 setting run through the upper and lower surface of fixed plate 6, the aperture of round through hole 6.4.1
Greater than the size of wire body, and circle through hole 6.4.1 is arranged on the side of 6 length direction of fixed plate, round through hole 6.4.1
On be provided with opening card slot 6.4.2, opening card slot 6.4.2 round through hole 6.4.1 is set close to the one of the side of fixed plate 6
Side, opening card slot 6.4.2 are connected with circle through hole 6.4.1, and the size of opening card slot 6.4.2 is less than round through hole
6.4.1 size, when wire body is fixed, wire body can be embedded in round through hole 6.4.1's by opening card slot 6.4.2
It is interior, the second thread jamming part 6.4 have it is multiple, multiple second open thread jamming part along fixed plate 6 side interval be arranged, enable wire body from
It passes through in fixed plate 6 to earphone placement plate 2, consequently facilitating to fixation and charging with line bluetooth headset, to the indigo plant with line
When tooth earphone is charged, wire body part is fixed in fixed plate 6, left and right bluetooth headset is individually positioned in the first groove body 3,
Live part in wire body is placed in the second groove body 4 and charges.
Charging bluetooth earphone seat provided by the embodiment of the utility model, including box body 1 and lid 5 are arranged on 1 outer wall of box body
Charge display unit 1.1, is provided with earphone placement section, charging box battery and charging panel in box body 1, the earphone on earphone placement section is put
Setting slot includes the first groove body 3 and the second groove body 4, is respectively arranged with first in the first groove body 3 and the second groove body 4 and the second groove body 4
Charging contact 3.3 and the second charging contact 4.1 can charge to the bluetooth headset without line by the first groove body 3, pass through
Two groove bodies 4 can charge to the movement bluetooth headset with line, so that a charging box can be simultaneously to wired bluetooth
Earphone and wireless bluetooth headset charge, and increase convenience for user, while being internally provided with fixed plate 6 in lid 5, lead to
The wire body of the bluetooth headset with line can be fixed in the rectangular card drum 6.1 and circular card drum 6.2 crossed in fixed plate 6, just
In to charging and storage with line bluetooth headset.
In the present embodiment, it is preferred that the first groove body 3 includes connected circular groove 3.1 and arc groove 3.2, and circle is recessed
3.1 depth of slot is greater than the depth of arc groove 3.2, and the first charging contact 3.3 is arranged in arc groove 3.2；Circular groove 3.1
Matching with arc groove 3.2 enables bluetooth headset to be put into, for convenient for being put into different bluetooth headsets, in circle
It is also provided with putting hole in connected in star 3.1, while being also provided with magnetic part in arc groove 3.2, passes through magnetic
Portion is put into bluetooth headset in arc groove 3.2 magnetic of bluetooth headset, the charging part on bluetooth headset and the first charging
Contact 3.3 is just corresponding.
In the present embodiment, it is preferred that be provided with arc holding tank 3.4, arc holding tank on the side wall of arc groove 3.2
It is provided with power-off gasket 3.5 in 3.4, powers off and is provided with power-off groove corresponding with the first charging electric shock on gasket 3.5；Arc
Holding tank 3.4 is arranged on the side wall of the arc groove 3.2 of 3.3 side of the first charging contact, and power-off gasket 3.5 is Arcuate flexible
Sheet body, power-off gasket 3.5 can be embedded in arc holding tank 3.4, can also extract out out of arc holding tank 3.4, power-off pad
Piece 3.5 can be covered on the first charging contact 3.3, can be by power-off gasket 3.5 covering first so when not using bluetooth headset
On charging contact 3.3, then bluetooth headset is placed in the first groove body 3, so can be avoided and incited somebody to action without using when bluetooth headset
Bluetooth headset, which leaves about, to be caused to lose, use when being also convenient for charging to a bluetooth headset.
In the present embodiment, it is preferred that the second groove body 4 is strip groove 4.2, length direction of the strip groove 4.2 along box body 1
Setting, the two sides of the length direction of strip groove 4.2 are provided with strip-shaped clamp groove 4.3, strip-shaped clamp groove 4.3 and 4.2 phase of strip groove
It connects, is provided with buckle 4.4 in strip-shaped clamp groove 4.3；Second charging contact 4.1 is arranged in strip groove 4.2, strip-shaped clamp groove
4.3 for placing the wire body of the bluetooth headset with line, and wire body can be fixed in buckle 4.4, so convenient for the indigo plant with line
The fixation of tooth earphone.
In the present embodiment, it is preferred that the first thread jamming part 6.3 includes along 6.2 side wall of rectangular card drum 6.1 and circular card drum
The annular slot being circumferentially arranged, annular slot have it is multiple, multiple annular slots respectively along the short transverse of rectangular card drum 6.1 and
The axis direction interval of circular card drum 6.2 is arranged；Annular slot includes annular trough body 6.3.1 and is arranged in annular trough body
6.3.1 the size of the annular embedded groove 6.3.2 in outside, annular embedded groove 6.3.2 are less than the size of annular trough body 6.3.1；It is multiple
Annular slot is arranged from the top down along the side wall of rectangular card drum 6.1 and circular card drum 6.2, more so as to carry out to wire body
Secondary fixation, annular trough body 6.3.1 are circumferentially arranged along the side wall of circular card drum 6.2 and rectangular card drum 6.1, and wire body can pass through
Annular embedded groove 6.3.2 is invaded to being fixed in annular trough body 6.3.1.
A kind of bluetooth headset component that the utility model embodiment also provides, including bluetooth headset and for accommodating bluetooth ear
The cradle of machine, cradle are above-mentioned charging bluetooth earphone seat.
It is above that certain exemplary embodiments of the utility model are only described by way of explanation, undoubtedly, for
Those skilled in the art can be with a variety of different without departing from the spirit and scope of the utility model
Mode is modified described embodiment.Therefore, above-mentioned attached drawing and description are regarded as illustrative in nature, and should not be construed as
Limitation to the utility model claims protection scope.
Claims (6)
1. a kind of charging bluetooth earphone seat, including box body and lid, which is characterized in that setting charging display on the box body outer wall
Portion, earphone placement section, charging box battery and charging panel are provided in the box body, and the earphone placement section includes that earphone is placed
Plate, the earphone placement plate are embedded in the inside of the box body, earphone placing groove, institute are provided in the earphone placement plate
Stating earphone placing groove includes the first groove body and the second groove body, and there are two first groove bodies, and two first groove bodies are symmetrically set
It sets and is provided with the first charging contact in the left and right sides of the earphone placement plate, first groove body, in second groove body
It is provided with the second charging contact, first charging contact and the second charging contact are electrically connected with the charging panel；
The lid is internally provided with fixed plate, and the fixed plate is fixed on the inner wall of the lid by rotation axis rotation
On, rectangular card drum and circular card drum, the side wall of the rectangular card drum and circular card drum are provided in the fixed plate
On be provided with the first thread jamming part, circumferential direction of first thread jamming part respectively along the rectangular card drum and circular card drum is set
Set, the circumferential lengths of the circular card drum between the circumferential lengths of the rectangular card drum a quarter to half it
Between, the fixed plate is provided with the second thread jamming part and locking piece far from the side of the rotation axis, sets on the shell of the lid
It is equipped with sticking department corresponding with the locking piece, second thread jamming part has multiple, and multiple second thread jamming parts are described in
The side interval of fixed plate is arranged, and second thread jamming part includes round through hole, is provided with opening on the circle through hole
Card slot, the size of the opening card slot are less than the size of the round through hole.
2. charging bluetooth earphone seat according to claim 1, which is characterized in that first groove body includes connected circle
Groove and arc groove, the circular groove depth are greater than the depth of the arc groove, and the first charging contact setting exists
In the arc groove.
3. charging bluetooth earphone seat according to claim 2, which is characterized in that be provided on the side wall of the arc groove
Arc holding tank is provided with power-off gasket in the arc holding tank, is provided on the power-off gasket and first charging
Get an electric shock corresponding power-off groove.
4. charging bluetooth earphone seat according to claim 1, which is characterized in that second groove body is strip groove, institute
The length direction that strip groove is stated along the box body is arranged, and the length direction two sides of the strip groove are provided with strip-shaped clamp groove,
The strip-shaped clamp groove is communicated with the strip groove, and buckle is provided in the strip-shaped clamp groove.
5. charging bluetooth earphone seat according to claim 1, which is characterized in that first thread jamming part includes along the square
The annular slot that shape card line disk and circular card drum side wall are circumferentially arranged, the annular slot have multiple, multiple annular snaps
Slot is arranged along the short transverse interval of the rectangular card drum and circular card drum respectively.
6. a kind of bluetooth headset component, the cradle including bluetooth headset and for accommodating bluetooth headset, which is characterized in that described
Cradle is the described in any item charging bluetooth earphone seats of claim 1-5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920215655.9U CN209250848U (en) | 2019-02-20 | 2019-02-20 | Cradle and bluetooth headset component |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920215655.9U CN209250848U (en) | 2019-02-20 | 2019-02-20 | Cradle and bluetooth headset component |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209250848U true CN209250848U (en) | 2019-08-13 |
Family
ID=67537262
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920215655.9U Expired - Fee Related CN209250848U (en) | 2019-02-20 | 2019-02-20 | Cradle and bluetooth headset component |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209250848U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021217720A1 (en) * | 2020-04-29 | 2021-11-04 | 广东得胜电子有限公司 | Drowning preventing safety device and detection method thereof |
-
2019
- 2019-02-20 CN CN201920215655.9U patent/CN209250848U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021217720A1 (en) * | 2020-04-29 | 2021-11-04 | 广东得胜电子有限公司 | Drowning preventing safety device and detection method thereof |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190813 Termination date: 20200220 |
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| CF01 | Termination of patent right due to non-payment of annual fee |