CN205545798U - Bluetooth headset and removal box that charges - Google Patents
Bluetooth headset and removal box that charges Download PDFInfo
- Publication number
- CN205545798U CN205545798U CN201620099406.4U CN201620099406U CN205545798U CN 205545798 U CN205545798 U CN 205545798U CN 201620099406 U CN201620099406 U CN 201620099406U CN 205545798 U CN205545798 U CN 205545798U
- Authority
- CN
- China
- Prior art keywords
- cavity
- bluetooth earphone
- auditory meatus
- charge
- ear
- 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
- 238000007600 charging Methods 0.000 claims abstract description 58
- 230000009466 transformation Effects 0.000 claims description 23
- 230000005540 biological transmission Effects 0.000 claims description 20
- 239000012528 membrane Substances 0.000 claims description 2
- 241000209140 Triticum Species 0.000 claims 1
- 235000021307 Triticum Nutrition 0.000 claims 1
- 230000005674 electromagnetic induction Effects 0.000 abstract description 4
- 230000000644 propagated effect Effects 0.000 abstract 2
- 238000010586 diagram Methods 0.000 description 8
- 238000005516 engineering process Methods 0.000 description 3
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 2
- 230000001413 cellular effect Effects 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000010408 film Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000010409 thin film Substances 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000001755 magnetron sputter deposition Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000001902 propagating effect Effects 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 239000012780 transparent material Substances 0.000 description 1
- 239000011787 zinc oxide Substances 0.000 description 1
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The utility model relates to an earphone field especially relates to a bluetooth headset. Bluetooth headset includes: the cavity is propagated to parts harmony sound behind the ear, parts include the casing and lie in behind the ear the inside wireless electric power receiving coil of casing, the cavity is propagated including first cavity and the second cavity connected to sound, first cavity still with parts are connected behind the ear, the second cavity is used for inserting the duct, along the direction of duct, the sectional area that any is taken up an official post to the second cavity is less than this department the sectional area of duct. Furthermore, the utility model also discloses a removal box that charges. Has wireless electric power transmitting coil in it, according to the electromagnetic induction principle the removal charge the box give bluetooth headset is wireless to charge, has disengaged impeding of physics charging wire, simultaneously the removal charge the box can make things convenient for again bluetooth headset accomodates.
Description
Technical field
This utility model relates to earphone field, particularly relates to a kind of bluetooth earphone and mobile charging box.
Background technology
Bluetooth earphone is to apply in hands-free headsets by Bluetooth technology, its many and bluetooth cellular phone with the use of, make
User can wear bluetooth earphone and carry out two way communication with standard bands and bluetooth cellular phone, whenever, where,
User all can utilize the wireless transmission function of Bluetooth technology, on the one hand, user can be made to exempt electric wire
Impede, comfortable listens to music, on the other hand can reach the hand-free effect easily received calls.
The power supply mode of existing bluetooth earphone, it usually needs by charger and charge cable, can it
Charging in time is limited by with or without civil power；And bluetooth earphone machine volume is less, it has not been convenient to receive and easily lose
Lose, bring inconvenience to user.
Utility model content
In view of this, this utility model provide a kind of can wireless charging and the bluetooth earphone of convenient for collecting and
Mobile charging box.
The described bluetooth earphone that this utility model provides includes: ear back part and sound transmission cavity, described ear
Back part includes housing and is positioned at the wireless power receiving coil of described enclosure interior, described sound transmission cavity
Including the first cavity connected and the second cavity, described first cavity is also connected with described ear back part, described
Second cavity is used for inserting auditory meatus, along the direction of described auditory meatus, and the cross section of any point on described second cavity
Long-pending less than the sectional area of described auditory meatus at this.
In the described bluetooth earphone that this utility model provides, described second cavity has a circular open, described
The diameter of circular open is less than the diameter of described auditory meatus.
In the described bluetooth earphone that this utility model provides, along described auditory meatus direction in auditory meatus, described
The sectional area of the second cavity any point is gradually increased.
In the described bluetooth earphone that this utility model provides, described second cavity is perpendicular to or substantially perpendicular to institute
Stating the first cavity, described bluetooth earphone also includes being positioned at described second cavity or the resonance of the second cavity
Film.
In the described bluetooth earphone that this utility model provides, described bluetooth earphone also includes being positioned at described housing
Internal panel, the first voltage transformation module and battery, described wireless power receives unit and described the
One voltage transformation module connects, and described first voltage transformation module is connected with described panel, described panel
Being connected with described battery, described panel at least includes Charge Management unit and bluetooth module.This practicality is new
In the described bluetooth earphone that type provides, described ear back part also includes mike and is positioned at described housing
Portion or the phonation unit of the first inside cavity, described housing has the tail end being positioned at ear's lower end position, institute
Stating mike and be positioned at described tail end, described phonation unit, mike are connected with described panel respectively.
In the described bluetooth earphone that this utility model provides, described ear back part and sound transmission cavity are lived
Being dynamically connected, described sound transmission cavity is flexible cavity.
In the described bluetooth earphone that this utility model provides, described ear back part also includes bluetooth module and sends out
Sound unit, described bluetooth module and phonation unit are positioned at described housing, described wireless power receiving coil
Being connected with described bluetooth module, described bluetooth module is connected with described phonation unit.
In the described bluetooth earphone that this utility model provides, described bluetooth earphone also includes protection set, described guarantor
Sheath is used for entangling described circular open, and described bluetooth earphone is bi-telephone.
In the described bluetooth earphone that this utility model provides, described ear back part also includes mike, described shell
Body has the tail end being positioned at ear's lower end position, and described mike is positioned at the tail end of described housing, described Mike
Wind is connected with described bluetooth module.
This utility model additionally provides a kind of mobile charging box, and it includes body and lid, described body
Inside it is provided with the groove for placing above-mentioned bluetooth earphone, there is under described groove wireless power transmitting coil.
In the described mobile charging box that this utility model provides, described body also includes the second voltage transformation list
Unit and battery, described wireless power transmitting coil is connected with described second voltage transformation module, and described second
Voltage transformation module is connected with described battery.In the described mobile charging box that this utility model provides, described
Body also includes charge-discharge control circuit, charging inlet；Described charging inlet is with described charge-discharge control circuit even
Connecing, described battery is connected with described charge-discharge control circuit, and described charging inlet is for charging to described battery
Or give extraneous electronic equipment charging for output voltage.
In the described bluetooth earphone of this utility model offer and mobile charging box, due in described housing
It is provided with wireless power receiving coil, in described mobile charging box, there is wireless power transmitting coil, therefore may be used
To use electromagnetic induction principle to described bluetooth earphone wireless charging, free impeding of physics charging wire, with
Shi Suoshu mobile charging box can facilitate again the storage of described bluetooth earphone.Additionally, phonation unit is arranged on
In ear back part, and along the direction of described auditory meatus, on described second cavity, the sectional area of any point is less than being somebody's turn to do
Locating the sectional area of described auditory meatus, therefore, described second cavity does not fills up user as prior art
Whole auditory meatus in, and simply occupy a part for auditory meatus, thus provide for the sound in external environment
Transmission channel, therefore, user can listen to the sound that described bluetooth earphone is play, and also can hear the external world
Sound in environment.On the other hand do not occupy whole auditory meatus due to described second cavity again, make thus without allowing
User has inaccessible sense, can also suitably discharge acoustic pressure simultaneously, improve the healthy comfort level worn.
Accompanying drawing explanation
Below in conjunction with drawings and the embodiments, the utility model is described in further detail, in accompanying drawing:
The structural representation of the bluetooth earphone 100 of the better embodiment that Fig. 1 provides for this utility model；
Fig. 2 is the electricity of a kind of better embodiment described in described ear back part 101 within housing 101A
Line structure schematic diagram；
Fig. 3 is the part-structure schematic diagram of sound transmission cavity 102 described in Fig. 1；
The structural representation of the mobile charging box 200 of the better embodiment that Fig. 4 provides for this utility model
Figure；
Fig. 5 is the circuit diagram of a kind of better embodiment within described body 201；
Circuit within body 301 signal of another better embodiment that Fig. 6 provides for this utility model
Figure.
Detailed description of the invention
For bluetooth earphone and the mobile charging box of the band charge function of this utility model offer being described, below
It is described in detail in conjunction with Figure of description and explanatory note.
In description of the present utility model, it should be noted that unless otherwise clearly defined and limited,
Term " is connected ", " connection " should be interpreted broadly, and can be the electric connection of two element internals；Can
Being to be joined directly together, it is also possible to be indirectly connected to by intermediary, for those of ordinary skill in the art
For, the concrete meaning of above-mentioned term can be understood as the case may be.Additionally, term " first ",
" second " is only used for describing purpose, and it is not intended that indicate or imply relative importance or implicit finger
The quantity of bright indicated technical characteristic.Thus, define " first ", " second " feature permissible
Express or implicitly include one or more this feature.
As it is shown in figure 1, the knot of the bluetooth earphone 100 of its better embodiment provided for this utility model
Structure schematic diagram, described bluetooth earphone 100 includes ear back part 101 and sound transmission cavity 102.Described sound
It is the ear forepiece relative to described ear back part 101 that sound propagates cavity 102, and it is just to user ear
Side can be seen；Ear back part 101 is then for cannot see or permissible at user right opposite
See the parts of a part.
Described ear back part 101 includes housing 101A and is positioned at the wireless power within described housing 101A and connects
Take-up circle (not shown), described wireless power receiving coil gives described bluetooth for wireless receiving electric power
Earphone is powered.
As in figure 2 it is shown, it is a kind of the most real within housing 101A described in described ear back part 101
Executing the electrical block diagram of mode, described ear back part 101 also includes being positioned at inside described housing 101A
Panel 101b, the first voltage transformation module 101d, the first battery 101c and wireless power receive line
Circle 101e, described wireless power receiving coil 101e are connected with described first voltage transformation module 101d,
Described first voltage transformation module 101d is connected with described panel 101b, described panel 101b and institute
Stating battery 101c to connect, described panel 101b at least includes Charge Management unit, bluetooth module, power supply
Switch and level setting switches.In one embodiment, described first voltage transformation module 101d bag
Including rectification circuit and mu balanced circuit, described mu balanced circuit is connected with described wireless power receiving coil 101e,
Described mu balanced circuit is connected with described panel 101b.
Described ear back part 101 also includes mike and is positioned at described housing 101A inside or the first chamber
Phonation unit 101a within body 102a, described housing 101A have the tail end being positioned at ear's lower end position,
Described mike 102f is positioned at described tail end, connect, concrete, described phonation unit, mike respectively with
Bluetooth module on described panel 101b connects.Owing to phonation unit 101a such as speaker typically compares
Greatly, the position of the most described phonation unit 101a can hang on earphone as described bluetooth earphone 100
Contact point.
Described sound transmission cavity 102 is used for being delivered to sound from described ear back part the auditory meatus of user,
It includes the first cavity 102a and the second cavity 102b connected, and described first cavity 102a is also with described
Ear back part 101 connects, and described second cavity 102b is used for inserting auditory meatus, along the direction of described auditory meatus,
On described second cavity 102b, the sectional area of any point is less than the sectional area of described auditory meatus at this.That is, described
Having space between second cavity 102b and described auditory meatus, this is just for the biography propagating offer of external environmental sounds
Defeated passage, also makes user wear during bluetooth earphone the most healthy comfortable simultaneously.
Preferably, described sound transmission cavity 102 is made up of yellowish pink material or transparent material, so that from making
User front or side are difficult to see that described bluetooth earphone 100, reach effect attractive in appearance.Described bluetooth earphone
100 also include being positioned at described second cavity 102b or the resonating membrane of the first cavity 102a, described resonance
Film can be a kind of deposition tube thin film, such as, sunk by the method for magnetron sputtering by zinc oxide piezoelectric material
Long-pending a kind of thin film on a silicon substrate, it is used for improving intensity of sound.
Preferably, described second cavity 102b has a circular open, and the diameter of described circular open is less than
The diameter of described auditory meatus.Described second cavity 102b perpendicular to or substantially perpendicular to described first cavity 102a,
It is conducive to described second cavity 102b to insert described auditory meatus.In other embodiments, second cavity
Opening can be also oval or square.Angle between second cavity and the first cavity can also be more than 90
Degree.
As it is shown on figure 3, the part-structure schematic diagram that it is sound transmission cavity 102 described in Fig. 1.In figure,
Described second cavity 102b inserts auditory meatus 10, along described auditory meatus direction in auditory meatus, described second chamber
The sectional area of body 102b any point is gradually increased, i.e. along described auditory meatus direction in auditory meatus, and described
Two cavity 102b are horn-like.This structure beneficially reduces the sound spread out of from described ear back part 101
Transmitting, thus increase sound intensity.
Described ear back part 101 and sound transmission cavity 102 are flexibly connected, in one embodiment,
Described ear back part and described sound transmission cavity can have a globe joint.Described sound transmission cavity
102 is flexible cavity, so that the second cavity 102b in described sound transmission cavity 102 is inserting auditory meatus
Time have enough degree of freedom.
Additionally, described bluetooth earphone 100 also includes protection set, described protection set is used for entangling described circle and opens
Mouthful, to avoid dust or other impurity to enter described sound transmission cavity 102.
As shown in Figure 4, the mobile charging box 200 of its better embodiment provided for this utility model
Structural representation, described mobile charging box 200 includes body 201 and lid 202, described body 201
It is integrally formed formula with described lid 202 to be connected or detachably connectable.Be provided with in described body 201 for
Place bluetooth earphone (bluetooth earphone of present embodiment is bi-telephone, it include two separate, two
Two earphones of not physically connected between person, one of them is L channel, and one is R channel) two recessed
Groove 203, described groove has wireless power transmitting coil 203 times.
As it is shown in figure 5, the circuit diagram that it is a kind of better embodiment within described body 201,
Described body 201 also includes charge-discharge control circuit 201d, charging inlet 201e, the second voltage transformation list
Unit and the second battery 201c；Described wireless power transmitting coil 201a and described second voltage transformation module
201b connect, described second voltage transformation module 201b is connected with described second battery 201c, described in fill
Electrical interface 201e is connected 201d, described second battery 201c and fills with described with described charge-discharge control circuit
Charge/discharge control circuit 201d connects, and described charging inlet 201e is for described second battery 201c charging
Or give extraneous electronic equipment charging for output voltage.Described extraneous electronic equipment includes mobile phone, camera etc..
When described second battery 201c needs charging, described charging inlet 201e is used as input interface and inputs 5V
Voltage give described second battery 201c charging；When extraneous electronic equipment needs charging, described charging
Mouth 201e is used as output interface output voltage to described external connected electronic equipment charge.The movement of present embodiment
Charging box only one of which interface: charging inlet 201e, it both can be used as input interface, it is also possible to exports
Interface use, makes body construction simpler.
Concrete, described second voltage transformation module 201b includes DC-AC converter unit and with described
The PWM control unit that DC-AC converter unit connects；Described charge-discharge control circuit 201d includes discharge and recharge
Administrative unit, boosting unit, one-way conduction unit and MCU control unit, described MCU control unit is divided
It is not connected with described management of charging and discharging unit, boosting unit, described boosting unit and described one-way conduction unit
Such as diode connects, and described management of charging and discharging unit, boosting unit are connected with described battery the most respectively.Institute
State charge-discharge control circuit 201d and also include input and the output of charging inlet described in an on-off control.Putting
Wireless power receiving coil 101e when putting bluetooth earphone 100 as shown in Figure 1, in bluetooth earphone 100
Under the principle of electromagnetic induction, described bluetooth earphone is given with the wireless power transmitting coil 201a under groove 203
100 chargings.Concrete, after placing described bluetooth earphone 100 and described charge-discharge control circuit 201d
Wireless charging emission control mode of operation is entered, to described bluetooth after receiving described charging control signal
Earphone 100 starts to charge up.
Additionally, charging indicator light 205 can also be included on described body 201.In other embodiments,
The single groove of a monaural bluetooth earphone can also be only placed in described mobile charging box.
As shown in Figure 6, within the body 301 of its another better embodiment provided for this utility model
Circuit diagram, described body 301 includes the second battery 301c, charging control circuit 301d, electric discharge control
Circuit 301f processed, input interface 301e, output interface 301g, the second voltage transformation module 301b, wireless
Power transmission coil 301a, described second battery 301c respectively with described charging control circuit 301d, electric discharge
Control circuit 301f, the second voltage transformation module 301b connect, and described input interface 301e fills with described
Electric control circuit 301d connects, and described output interface 301g is connected with described charge/discharge control circuit 301f,
Described wireless power transmitting coil 301a is connected with described second voltage transformation module 301b.I.e. itself and Fig. 5
The difference of middle body 201 is, described body has two interfaces: input interface 301e and output
Interface 301g.
In the described bluetooth earphone 100 of this utility model offer and mobile charging box 200, due in institute
State and housing is provided with wireless power receiving coil, there is in described mobile charging box 200 wireless power and launch
The most whether coil, therefore can use electromagnetic induction principle to described bluetooth earphone 100 wireless charging, be had
The restriction of civil power, has also freed impeding of physics charging wire, and the most described mobile charging box can facilitate again institute
State the storage of bluetooth earphone.Additionally, phonation unit 101a is arranged in ear back part 101, and along institute
Stating the direction of auditory meatus, on described second cavity 102b, the sectional area of any point is less than the cutting of described auditory meatus at this
Area, therefore, described second cavity 102b does not fills up the whole auditory meatus of user as prior art
In, and simply occupy a part for auditory meatus, thus provide transmission channel for the sound in external environment, because of
This, user can listen to the sound that described bluetooth earphone 100 is play, and also can hear in external environment
Sound.On the other hand whole auditory meatus is not occupied due to described second cavity 102b again, thus without allowing use
Person has inaccessible sense, can also suitably discharge acoustic pressure simultaneously, improve the healthy comfort level worn.
The bluetooth earphone provided for this utility model above and the better embodiment of mobile charging box, not
It is understood that for the restriction to this utility model rights protection scope, those skilled in the art should know,
Without departing from the concept of the premise utility, also can do multiple improvement or replacement, all of such change
Entering or replace all should be in the range of rights protection of the present utility model, rights protection the most of the present utility model
Scope should be as the criterion with claim.
Claims (10)
1. a bluetooth earphone, comprising: ear back part and sound transmission cavity, described ear back part includes
Housing and the wireless power receiving coil being positioned at described enclosure interior, described sound transmission cavity includes connection
First cavity and the second cavity, described first cavity is also connected with described ear back part, and described second cavity is used
In inserting auditory meatus, along the direction of described auditory meatus, on described second cavity, the sectional area of any point is less than at this
The sectional area of described auditory meatus.
2. bluetooth earphone as claimed in claim 1, it is characterised in that: described second cavity has a circle
Shape opening, the diameter of described circular open is less than the diameter of described auditory meatus.
3. bluetooth earphone as claimed in claim 1, it is characterised in that: along described auditory meatus in auditory meatus
Direction, the sectional area of described second cavity any point is gradually increased.
4. bluetooth earphone as claimed in claim 1, it is characterised in that: described second cavity is vertical or base
Originally being perpendicular to described first cavity, described bluetooth earphone also includes being positioned at described second cavity or the second chamber
Internal resonating membrane.
5. bluetooth earphone as claimed in claim 1, it is characterised in that: described bluetooth earphone also includes position
In panel, the first voltage transformation module and first battery of described enclosure interior, described wireless power connects
Receiving unit to be connected with described first voltage transformation module, described first voltage transformation module is with described panel even
Connecing, described panel is connected with described first battery, described panel at least include Charge Management unit and
Bluetooth module.
6. bluetooth earphone as claimed in claim 5, it is characterised in that: described ear back part also includes wheat
Gram wind and be positioned at described enclosure interior or the phonation unit of the first inside cavity, described housing has and is positioned at
The tail end of ear's lower end position, described mike is positioned at described tail end, described phonation unit, mike respectively with
Described panel connects.
7. bluetooth earphone as claimed in claim 2, it is characterised in that: described bluetooth earphone also includes protecting
Sheath, described protection set is used for entangling described circular open, and described bluetooth earphone is bi-telephone.
8. a mobile charging box, it includes body and lid, and described internal is provided with for placing
The groove of bluetooth earphone as described in any one of claim 1-7, has wireless power and launches line under described groove
Circle.
9. mobile charging box as claimed in claim 8, it is characterised in that: described body also includes second
Voltage transformation module and the second battery, described wireless power transmitting coil and described second voltage transformation module
Connecting, described second voltage transformation module is connected with described second battery.
10. mobile charging box as claimed in claim 9, it is characterised in that: described body also includes filling
Charge/discharge control circuit, charging inlet；Described charging inlet is connected with described charge-discharge control circuit, and described
Two batteries are connected with described charge-discharge control circuit, described charging inlet for described second battery charging or
Person gives extraneous electronic equipment charging for output voltage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620099406.4U CN205545798U (en) | 2016-01-30 | 2016-01-30 | Bluetooth headset and removal box that charges |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620099406.4U CN205545798U (en) | 2016-01-30 | 2016-01-30 | Bluetooth headset and removal box that charges |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205545798U true CN205545798U (en) | 2016-08-31 |
Family
ID=56774817
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620099406.4U Expired - Fee Related CN205545798U (en) | 2016-01-30 | 2016-01-30 | Bluetooth headset and removal box that charges |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205545798U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106974519A (en) * | 2016-11-23 | 2017-07-25 | 广东探金电子科技有限公司 | A kind of intelligent fork |
| CN109688506A (en) * | 2019-02-14 | 2019-04-26 | 深圳市领芯者科技有限公司 | A kind of wireless headset charging box having AI function and its application method |
| WO2021013082A1 (en) * | 2019-07-25 | 2021-01-28 | 华为技术有限公司 | Wireless charging bluetooth earphone |
-
2016
- 2016-01-30 CN CN201620099406.4U patent/CN205545798U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106974519A (en) * | 2016-11-23 | 2017-07-25 | 广东探金电子科技有限公司 | A kind of intelligent fork |
| CN109688506A (en) * | 2019-02-14 | 2019-04-26 | 深圳市领芯者科技有限公司 | A kind of wireless headset charging box having AI function and its application method |
| WO2021013082A1 (en) * | 2019-07-25 | 2021-01-28 | 华为技术有限公司 | Wireless charging bluetooth earphone |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160831 |