CN110266080A - Charging unit and earphone charging unit - Google Patents
Charging unit and earphone charging unit Download PDFInfo
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- CN110266080A CN110266080A CN201910629131.9A CN201910629131A CN110266080A CN 110266080 A CN110266080 A CN 110266080A CN 201910629131 A CN201910629131 A CN 201910629131A CN 110266080 A CN110266080 A CN 110266080A
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- light emitting
- earphone
- emitting diode
- electricity
- module
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Classifications
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/22—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources
- G09G3/30—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels
- G09G3/32—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED]
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0047—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with monitoring or indicating devices or circuits
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0047—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with monitoring or indicating devices or circuits
- H02J7/0048—Detection of remaining charge capacity or state of charge [SOC]
- H02J7/0049—Detection of fully charged condition
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Secondary Cells (AREA)
- Control Of El Displays (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The present invention relates to a kind of charging unit and earphone charging units.The electricity quantity display module of the earphone charging unit includes multiple light emitting diodes, and a light emitting control port of the anode link control module of each light emitting diode, cathode connect another light emitting control port；Control module is when controlling lumination of light emitting diode, low level is exported to realize by the light emitting control port of light emitting control port output high level, connection cathode to jointed anode, and the light emitting control port that any two light emitting diode connects in each light emitting diode is not exactly the same；Control module controls the light on and off of each light emitting diode in such a way that poll scans.The present invention has abandoned traditional " common anode " or " common cathode " control mode, and maximum can be a for n × (n-1) with the light emitting diode quantity of independent control.Therefore electricity shows that the pin being related to is less, reduces the design difficulty of circuit.
Description
Technical field
The present invention relates to charging units, more particularly to a kind of earphone charging unit.
Background technique
When being charged using charging box to wireless headset, user wishes to learn the current electricity of earphone/charging box at any time
Amount.It is inaccurate if indicated with indicator light electricity；And if shown with the numerical value that LED charactrons carry out electricity,
Then pin it is more (such as the charactron of " 8 " font is if there is 7 light emitting diodes, there will be 7+1 common end, in total 8 draw
Foot), it will increase the degree of difficulty of circuit design.
Summary of the invention
Based on this, it is necessary to provide a kind of electricity and show the less earphone charging unit of the pin being related to.
A kind of earphone charging unit, including battery, the first earphone charging module, the second earphone charging module, electric power detection
Module, electricity quantity display module and control module, the electric power detection module connect the electricity quantity display module and control module, institute
It states the electricity control electricity quantity display module of the control module for detecting according to the electric power detection module to be shown, institute
Battery is stated for providing electric energy to charge respectively to earphone for the first earphone charging module and the second earphone charging module,
The electricity quantity display module includes: the first earphone electricity display unit, is charged for showing by the first earphone charging module
Earphone current electric quantity；Second earphone electricity display unit, for showing the ear to be charged by the second earphone charging module
The current electric quantity of machine；Battery capacity display unit, for showing the current electric quantity of the battery；The electricity quantity display module includes
Multiple light emitting diodes, the control module include multiple light emitting control ports, one hair of anode connection of each light emitting diode
Photocontrol port, cathode connect another light emitting control port；The control module is when controlling lumination of light emitting diode, by right
The light emitting control port output high level of jointed anode connects the light emitting control port output low level of cathode to realize, respectively sends out
Any two luminous two in the light emitting diode that can be at least partly independently controlled, and can be independently controlled in optical diode
The light emitting control port of pole pipe anode and cathode connection is not exactly the same；The control module controls in such a way that poll scans
The light on and off of each light emitting diode that can be independently controlled.
The anode of at least two light emitting diodes connects same light emitting control port and extremely in one of the embodiments,
The cathode of few two light emitting diodes connects same light emitting control port.
The control module same time only passes through two light emitting control port controllings one in one of the embodiments,
The light on and off of light emitting diode, remaining light emitting control port are set as high-impedance state.
The first earphone electricity display unit and the second earphone electricity display unit wrap in one of the embodiments,
The cell pattern being made of light emitting diode is included, the corresponding lumination of light emitting diode quantity of filling part in the cell pattern is passed through
Indicate earphone electricity；The battery capacity display unit includes the digital pattern being made of light emitting diode, passes through Digital size
Indicating battery electric quantity.
The control module includes that 8 49 for being used to control electricity quantity display module shine in one of the embodiments,
The light emitting control port of diode.
The first earphone electricity display unit and the second earphone electricity display unit wrap in one of the embodiments,
10 light emitting diodes for showing the circumference of the cell pattern are included, and form the filling part 5 for showing
5 light emitting diodes of road thick stick, the first earphone electricity display unit further include for showing " L " light-emitting diodes
Pipe, the second earphone electricity display unit further includes for showing that " R " light emitting diode, the battery capacity are shown
Unit includes that two diodes of composition " 1 " font and totally 14 diodes of two " 8 " fonts, the battery capacity are shown
Unit further includes for showing " % " light emitting diode.
In one of the embodiments, for charging to true wireless stereo headset.
The control module includes MCU in one of the embodiments, and each light emitting control port is the end I/O of MCU
Mouthful；The electricity quantity display module includes LED charactrons.
It in one of the embodiments, further include data line socket, the data line socket is used to charge to the battery.
A kind of electricity is also provided and shows the less charging unit of the pin being related to.
A kind of charging unit, including electric power detection module, electricity quantity display module and control module, the electric power detection module
The electricity quantity display module and control module are connected, the control module is used for the electricity detected according to the electric power detection module
Amount controls the electricity quantity display module and is shown that the electricity quantity display module includes multiple light emitting diodes, the control mould
Block includes multiple light emitting control ports, and the anode of each light emitting diode connects a light emitting control port, cathode connects another hair
Photocontrol port；The control module is defeated by the light emitting control port to jointed anode when controlling lumination of light emitting diode
High level, the light emitting control port output low level for connecting cathode are realized out, at least partly can be by each light emitting diode
Independent control, and in the light emitting diode that can be independently controlled any two light emitting diode anode and cathode connect shine
Control port is not exactly the same；The control module controls each hair that can be independently controlled in such a way that poll scans
The light on and off of optical diode.
Above-mentioned charging unit and earphone charging unit have been abandoned traditional for needing the light emitting diode of independent control
" common anode " or " common cathode " control mode, the anode and cathode of each light emitting diode are all connected with light emitting control port and each hair
Photocontrol port can connect multiple light emitting diodes and (only need to guarantee the light-emitting diodes tube anode of any two independent control
The light emitting control port connected with cathode is not exactly the same), very high hair can be reached in the case where more than the light emitting diode quantity
Photocontrol multiplexed port efficiency, such as have n light emitting control port, maximum can be n with the light emitting diode quantity of independent control
× (n-1) is a.Therefore electricity shows that the pin being related to is less, reduces the design difficulty of circuit.And it is scanned by poll
Mode controls the light on and off of each light emitting diode, can mutually rush to avoid the light emitting diode for occupying same light emitting control port
It is prominent.
Detailed description of the invention
Fig. 1 is the pattern schematic diagram of electricity quantity display module in an embodiment；
Fig. 2 is the electrical connection figure of control module and LED charactrons in an embodiment；
Fig. 3 is the annexation figure of 49 light emitting diodes of electricity quantity display module in an embodiment；
Fig. 4 is position view of the light emitting diode shown in Fig. 3 in electricity quantity display module；
Fig. 5 is the structural schematic diagram of earphone charging unit in one embodiment.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
Unless otherwise defined, all technical and scientific terms used herein and belong to technical field of the invention
The normally understood meaning of technical staff is identical.Term as used herein in the specification of the present invention is intended merely to description tool
The purpose of the embodiment of body, it is not intended that in the limitation present invention.Term " and or " used herein includes one or more phases
Any and all combinations of the listed item of pass.
The application proposes a kind of earphone charging unit, including battery, the first earphone charging module, the second earphone charging mould
Block, electric power detection module, electricity quantity display module and control module.Electric power detection module connects electricity quantity display module and control mould
Block, the electricity control electricity quantity display module that control module is detected according to electric power detection module carry out electricity and show.Battery is used for
Electric energy is provided for the first earphone charging module and the second earphone charging module, so that the first earphone charging module and the second earphone fill
Electric module is each to be charged (such as distribution charges to left ear/auris dextra earphone) to an earphone.Electricity quantity display module includes first
Earphone electricity display unit, the second earphone electricity display unit and battery capacity display unit.
Fig. 1 is the pattern schematic diagram of electricity quantity display module in an embodiment.Wherein, the first earphone electricity display unit 110
For showing the current electric quantity of the earphone to be charged by the first earphone charging module, the second earphone electricity display unit 120 is for showing
Show the current electric quantity of the earphone to be charged by the second earphone charging module, battery capacity display unit 130 is for showing working as battery
Preceding electricity.
Electricity quantity display module includes multiple light emitting diodes (LED), and control module includes multiple light emitting control ports, each
The anode of light emitting diode connects a light emitting control port, cathode connects another light emitting control port.Control module is sent out in control
When optical diode shines, the light emitting control port of high level, connection cathode is exported by the light emitting control port to jointed anode
Low level is exported to realize.It can be at least partly independently controlled in each light emitting diode, and what can be independently controlled shines
Not exactly the same (the hair of two light emitting diodes connection in the light emitting control port that any two light emitting diode connects in diode
It photocontrol port can be exactly the opposite).Independent control refers to that the LED can be turned on/off individually, without at another LED
In identical luminance.Notice that turning on/off referred to, luminance etc. are directed to the identification of human eye, i.e., human eye is a certain
LED is identified as bright or gone out by the moment, due to persistence of vision effect, eye recognition go out luminance may with LED it is actual on
Electricity condition is inconsistent.Control module controls the light on and off of each light emitting diode in such a way that poll scans, in a display cycle
Interior to complete to the poll of each light emitting diode, according to corresponding control is required, its is bright or go out, and avoids occupying same light emitting control end
The light emitting diode of mouth conflicts with each other.It should be understood that the interval time of poll wants sufficiently small, electricity quantity display module is shown in
It just can be fixed display in human eye, be not in flashing.
Above-mentioned earphone charging unit has abandoned traditional " common anode " or " total for needing the light emitting diode of independent control
Yin " control mode, the anode and cathode of each light emitting diode are all connected with light emitting control port and each light emitting control port
It can connect multiple light emitting diodes and (only need to guarantee the light emitting diode anode and cathode connection of any two independent control
Light emitting control port is not exactly the same), it is multiple that very high light emitting control port can be reached in the case where more than the light emitting diode quantity
Use efficiency.Therefore electricity shows that the pin being related to is less, reduces the design difficulty of circuit.
In one embodiment, the anode of at least two light emitting diodes connects same light emitting control port and at least two
The cathode of a light emitting diode connects same light emitting control port.For there is the control module of n light emitting control port, maximum can
It is a for n × (n-1) with the light emitting diode quantity of independent control.
In one embodiment, the control module same time only passes through two light emitting control port controllings, one light-emitting diodes
The light on and off of pipe, remaining light emitting control port are set as high-impedance state.That is, when being polled to which root LED, corresponding light emitting control port
It exports high level respectively and low level, remaining light emitting control port both is set to high-impedance state.Only when the anode of LED is height
When level, cathode are low level, LED just be can be lit, and the light emitting control port of LED connection will not light when being remaining state
LED。
Referring to Fig. 1, in this embodiment, the first earphone electricity display unit 110 and the second earphone electricity display unit 120
Include the cell pattern being made of light emitting diode, passes through the corresponding lumination of light emitting diode quantity of filling part in cell pattern
Indicate earphone electricity.Battery capacity display unit 130 includes the digital pattern being made of light emitting diode, is referred to by numerical values recited
Show battery capacity.
In one embodiment, control module includes 8 light emitting control ports, passes through this 8 light emitting control port controllings
49 light emitting diodes carry out the display of electricity quantity display module.
In one embodiment, control module includes MCU, and each light emitting control port is the port I/O of MCU.Light emitting control
It port can be with burning into MCU to the control logic of the LED of electricity quantity display module.Electricity quantity display module includes LED charactrons.Figure
2 be the electrical connection figure of control module and LED charactrons in an embodiment, and in this embodiment, control module 32 is master control
MCU, electricity quantity display module 34 are charactrons.As shown, 8 ports I/O of main control MCU respectively connect a port of charactron
Port.
Fig. 3 is the annexation figure of 49 light emitting diodes of electricity quantity display module in an embodiment, and Fig. 4 is
Position view of the light emitting diode shown in Fig. 3 in electricity quantity display module.Every LED anode and yin in Fig. 3
(each port port is correspondingly connected with a hair in embodiment illustrated in fig. 3 for the digital representation of pole its port port numbering for being connected to
Photocontrol port, therefore LED anode and the number of cathode equally indicate the light emitting control port numbering being connected to), " letter+number
The number of word " indicates the number of LED.Such as the LED for upper left in Fig. 3, number B1, anode connect 7 feet, cathode connection
6 feet.
Fig. 4 shows position view of the LED respectively numbered in Fig. 3 in electricity quantity display module.First earphone electricity is aobvious
Show that unit 110 includes 10 light emitting diodes for showing the circumference of cell pattern: A6, G5, F5, E5, D5, C5, B5,
A5,G4,F4；It further include 5 light emitting diodes for showing composition 5 thick stick of filling part: A4, B4, C4, D4, E4；And it is used for
Show a light emitting diode B6 of " L ".Second earphone electricity display unit 120 includes the periphery wheel for showing cell pattern
10 wide light emitting diodes: E6, F6, G6, A7, B7, C7, D7, E7, G7, F4；It further include for showing composition filling part 5
5 light emitting diodes of thick stick: A8, B8, C8, D8, E8；An and light emitting diode C6 for showing " R ".Battery capacity is aobvious
Show unit 130 include composition " 1 " font two diode B1 and C1 and two " 8 " font totally 14 diodes: F2,
E2, D2, C2, B2, A2, G2, F3, E3, D3, C3, B3, A3, G3；Battery capacity display unit 130 further includes for showing " % "
A light emitting diode D6.
Fig. 5 is the structural schematic diagram of earphone charging unit in one embodiment, and earphone charging unit includes charging cabin 10
With hatchcover 12, cabin 10 and hatchcover 12 are rotatablely connected by interconnecting piece 11, and hatchcover 12 can be opened up and be closed downwards, are opened
It keeps connecting still through interconnecting piece 11 and cabin 10 with hatchcover 12 during closing.Cabin 10 is equipped at interconnecting piece 11
Electricity quantity display module (including the first earphone electricity display unit 110, the second earphone electricity display unit 120, battery capacity are shown
Unit 130), cabin 10 is also provided with left-side earphone slot 142 and right-side earphone slot 144, and two wireless headsets are respectively put into when charging
In one earphone slot.Left-side earphone slot 142 is corresponding with the first earphone charging module, and right-side earphone slot 144 and the second earphone charge
Module is corresponding, and the first earphone electricity display unit 110 shows the earphone electricity to charge in left-side earphone slot 142, the second earphone
Electricity display unit 120 shows the earphone electricity to charge in right-side earphone slot 144.
In the embodiment shown in fig. 5, the outside for the cabin 10 that charges is additionally provided with data line socket 150, for earphone
Battery in charging unit charges.
In one embodiment, above-mentioned earphone charging unit is for filling true wireless stereo (TWS) bluetooth headset
Electricity.
The application also provides a kind of charging unit, including electric power detection module, electricity quantity display module and control module, described
Electric power detection module connects the electricity quantity display module and control module, and the control module is used for according to the electric power detection mould
The electricity that block detects controls the electricity quantity display module and is shown that the electricity quantity display module includes multiple light-emitting diodes
Pipe, the control module include multiple light emitting control ports, and the anode of each light emitting diode connects a light emitting control port, yin
Pole connects another light emitting control port；The control module passes through the hair to jointed anode when controlling lumination of light emitting diode
Output high level in photocontrol port connects the light emitting control port output low level of cathode to realize, in each light emitting diode extremely
Small part can be independently controlled, and any two light-emitting diodes tube anode and yin in the light emitting diode that can be independently controlled
The light emitting control port of pole connection is not exactly the same；The control module controlled in such a way that poll scans it is each it is described can be by
The light on and off of the light emitting diode of independent control.
Above-mentioned charging unit, the anode and cathode of each light emitting diode are all connected with light emitting control port and each shine
Control port can connect multiple light emitting diodes (only need to guarantee any two independent control light-emitting diodes tube anode and
The light emitting control port of cathode connection is not exactly the same), it can reach very high in the case where more than the light emitting diode quantity and shine
Control port multiplexing efficiency, such as have n light emitting control port, it is maximum can with the light emitting diode quantity of independent control for n ×
(n-1) a.Therefore electricity shows that the pin being related to is less, reduces the design difficulty of circuit.And the side scanned by poll
Formula controls the light on and off of each light emitting diode, can conflict with each other to avoid the light emitting diode for occupying same light emitting control port.
Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, all should be considered as described in this specification.
The embodiments described above only express several embodiments of the present invention, and the description thereof is more specific and detailed, but simultaneously
It cannot therefore be construed as limiting the scope of the patent.It should be pointed out that coming for those of ordinary skill in the art
It says, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to protection of the invention
Range.Therefore, the scope of protection of the patent of the invention shall be subject to the appended claims.
Claims (10)
1. a kind of earphone charging unit, including battery, the first earphone charging module, the second earphone charging module, electric power detection mould
Block, electricity quantity display module and control module, the electric power detection module connects the electricity quantity display module and control module, described
The electricity that control module is used to be detected according to the electric power detection module controls the electricity quantity display module and is shown, described
Battery is used to provide electric energy for the first earphone charging module and the second earphone charging module to charge respectively to earphone,
It is characterized in that, the electricity quantity display module includes:
First earphone electricity display unit, for showing the current electric quantity of the earphone to be charged by the first earphone charging module；
Second earphone electricity display unit, for showing the current electric quantity of the earphone to be charged by the second earphone charging module；
Battery capacity display unit, for showing the current electric quantity of the battery；
The electricity quantity display module includes multiple light emitting diodes, and the control module includes multiple light emitting control ports, each
The anode of light emitting diode connects a light emitting control port, cathode connects another light emitting control port；The control module is being controlled
When lumination of light emitting diode processed, the light emitting control of high level, connection cathode is exported by the light emitting control port to jointed anode
Port exports low level to realize, can at least partly be independently controlled in each light emitting diode, and can be independently controlled
The light emitting control port that any two light emitting diode connects in light emitting diode is not exactly the same；The control module passes through wheel
The mode for asking scanning controls the light on and off of each light emitting diode that can be independently controlled.
2. earphone charging unit according to claim 1, which is characterized in that the anode of at least two light emitting diodes connects
The cathode of same light emitting control port and at least two light emitting diodes connects same light emitting control port.
3. earphone charging unit according to claim 1, which is characterized in that the control module same time only passes through two
The light on and off of a one light emitting diode of light emitting control port controlling, remaining light emitting control port are set as high-impedance state.
4. earphone charging unit according to any one of claim 1-3, which is characterized in that the first earphone electricity is aobvious
Show that unit and the second earphone electricity display unit include the cell pattern being made of light emitting diode, passes through the cell pattern
The corresponding lumination of light emitting diode quantity of interior filling part indicates earphone electricity；The battery capacity display unit includes by luminous two
The digital pattern of pole pipe composition, passes through numerical values recited indicating battery electric quantity.
5. earphone charging unit according to claim 4, which is characterized in that the control module includes 8 for controlling
The light emitting control port of 49 light emitting diodes of electricity quantity display module.
6. earphone charging unit according to claim 5, which is characterized in that the first earphone electricity display unit and
Two earphone electricity display units include 10 light emitting diodes for showing the circumference of the cell pattern, Yi Jiyong
5 light emitting diodes of 5 thick stick of filling part are formed in display, the first earphone electricity display unit further includes for showing
Show that a light emitting diode of " L ", the second earphone electricity display unit further include for showing " R " light-emitting diodes
Pipe, the battery capacity display unit include two diodes of composition " 1 " font and totally 14 two poles of two " 8 " fonts
Pipe, the battery capacity display unit further includes for showing " % " light emitting diode.
7. earphone charging unit according to claim 1, which is characterized in that for charging to true wireless stereo headset.
8. earphone charging unit according to claim 1, which is characterized in that the control module includes MCU, each hair
Photocontrol port is the port I/O of MCU；The electricity quantity display module includes LED charactrons.
9. earphone charging unit according to claim 1, which is characterized in that it further include data line socket, the data line
Socket is used to charge to the battery.
10. a kind of charging unit, including electric power detection module, electricity quantity display module and control module, the electric power detection module
The electricity quantity display module and control module are connected, the control module is used for the electricity detected according to the electric power detection module
Amount controls the electricity quantity display module and is shown, it is characterised in that:
The electricity quantity display module includes multiple light emitting diodes, and the control module includes multiple light emitting control ports, each
The anode of light emitting diode connects a light emitting control port, cathode connects another light emitting control port；The control module is being controlled
When lumination of light emitting diode processed, the light emitting control of high level, connection cathode is exported by the light emitting control port to jointed anode
Port exports low level to realize, can at least partly be independently controlled in each light emitting diode, and can be independently controlled
The light emitting control port that any two light emitting diode connects in light emitting diode is not exactly the same；The control module passes through wheel
The mode for asking scanning controls the light on and off of each light emitting diode that can be independently controlled.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910629131.9A CN110266080A (en) | 2019-07-12 | 2019-07-12 | Charging unit and earphone charging unit |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910629131.9A CN110266080A (en) | 2019-07-12 | 2019-07-12 | Charging unit and earphone charging unit |
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| CN110266080A true CN110266080A (en) | 2019-09-20 |
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| CN109660905A (en) * | 2019-03-01 | 2019-04-19 | 晨诚兴科技深圳有限公司 | A kind of bluetooth headset storehouse automatically charged |
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| US20110199054A1 (en) * | 2010-02-12 | 2011-08-18 | Revolt Technology Ltd. | Methods for charging metal-air cells |
| CN206100388U (en) * | 2016-10-09 | 2017-04-12 | 陈文妮 | Receiver that can charge for bluetooth headset |
| CN207184761U (en) * | 2017-09-04 | 2018-04-03 | 马培银 | A kind of bluetooth earphone, charging bluetooth earphone treasured and bluetooth earphone component |
| CN207603874U (en) * | 2017-12-28 | 2018-07-10 | 广州市帕音特电子有限公司 | A kind of movement hanging-on-neck type charging bluetooth earphone storehouse |
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Application publication date: 20190920 |
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| RJ01 | Rejection of invention patent application after publication |