CN207835853U - A kind of flash lamp module and terminal - Google Patents
A kind of flash lamp module and terminal Download PDFInfo
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- CN207835853U CN207835853U CN201720766451.5U CN201720766451U CN207835853U CN 207835853 U CN207835853 U CN 207835853U CN 201720766451 U CN201720766451 U CN 201720766451U CN 207835853 U CN207835853 U CN 207835853U
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Abstract
The utility model discloses a kind of flash lamp module and terminals, to reduce the complexity and cost of flashlight driving circuit system, wherein flash lamp module includes：First flash lamp, the driving chip for driving the first flash lamp；First input pin of driving chip is electrically connected with the power bus VBUS of terminal, and the first output pin of driving chip is electrically connected with the first flash lamp；Driving chip is used to control the work of the first flash lamp by controlling the output of voltage of VBUS.Sufficiently high voltage of VBUS directly is provided to drive the first flash lamp operation for flash lamp using terminal VBUS, does not need additional booster circuit so that circuit structure is more simplified, and cost adds cheap.
Description
Technical field
The utility model is related to electronic science and technology field more particularly to a kind of flash lamp modules and terminal.
Background technology
Flash lamp is widely used in the various fields such as camera, mobile phone, computer, smartwatch, compared to other terminals member
Device, flash lamp need higher driving voltage that can work normally.
However, for the terminals such as such as mobile phone, smartwatch, the input voltage of end cell generally all 3.3V~
4.2V, this cannot be satisfied requirement of the flash lamp to driving voltage.In the prior art, often come by booster circuit (boost circuits)
Meet requirement of the flash lamp to driving voltage.Fig. 1 is a kind of existing flashlight driving circuit, as shown in Figure 1, input voltage
(Input Voltage) is terminal battery voltage, and inductance L is boost inductance, and effect is risen to Input Voltage
Pressure is so that it meets requirement of the flash lamp 02 to driving voltage.Driving chip is inputted by the Input Voltage after inductance L boostings
01, the output of Input Voltage is controlled to realize the control to 02 luminance of flash lamp by driving chip 01.
However, since the flashlight driving circuit of existing terminal must be introduced into booster circuit so that the flash lamp of terminal
Driving circuit is excessively complicated, moreover, also adding the cost of terminal.
Utility model content
A kind of flash lamp module of the utility model offer and terminal, to reduce the complexity of flashlight driving circuit system
And cost.
The utility model embodiment provides a kind of flash lamp module, including：First flash lamp, driving first flash lamp
Driving chip；
First input pin of the driving chip is electrically connected with the power bus VBUS of terminal, and the of the driving chip
One output pin is electrically connected with first flash lamp；
The driving chip is used to control the work of first flash lamp by controlling the output of the voltage of VBUS.
Optionally, the first output pin of the driving chip is electrically connected with the anode of first flash lamp；
The absorption pin of the driving chip is electrically connected with the cathode of first flash lamp.
Optionally, further include：Second flash lamp and control switch；
The anode of second flash lamp is switched by the control to be electrically connected with the battery circuit of the terminal；
The cathode of second flash lamp is electrically connected with the absorption pin of the driving chip.
Optionally, the control terminal of the control switch is electrically connected with the first input pin of the driving chip, the control
The first end of system switch is electrically connected with the battery circuit, and the second end of the control switch is electrically connected with second flash lamp
It connects；
The control switch, for controlling the battery circuit and described second according to the state of first input pin
Connected state between flash lamp.
Optionally, the cathode of the cathode of first flash lamp and second flash lamp and the driving chip is same
A absorption pin electrical connection.
Optionally, first flash lamp is N number of；N is the positive integer more than 1；N number of first flash lamp respectively with institute
State N number of absorption pin electrical connection；
Second flash lamp is M；M is the positive integer more than 1；The M the second flash lamps are inhaled with described M respectively
Spasm foot is electrically connected.
Optionally, the driving chip further includes：
Controlling switch for receiving control signal；
The driving chip is additionally operable to control first flash lamp and/or second flash of light according to the control signal
The operating mode of lamp.
Optionally, further include：
First resistor be electrically connected with the first of the driving chip the setting pin, for be arranged first flash lamp with
Maximum operating currenbt when the second flash lamp continuous illumination；
Second resistance be electrically connected with the second of the driving chip the setting pin, for be arranged first flash lamp with
Maximum operating currenbt when the second flash lamp flashing.
Optionally, the driving chip further includes：
Third input pin, the third input pin are connect with the end cell circuit, for being the driving core
Piece is powered.
Optionally, first flash lamp is postposition flash lamp, and second flash lamp is preposition flash lamp.
The utility model embodiment provides a kind of terminal, including：Flash lamp module as described in any one of the above embodiments.
To sum up, the utility model embodiment provides a kind of flash lamp module and terminal, wherein flash lamp module includes：The
One flash lamp, the driving chip for driving the first flash lamp；First input pin of driving chip and the power bus VBUS of terminal
Electrical connection, the first output pin of driving chip are electrically connected with the first flash lamp；Driving chip is used for by controlling voltage of VBUS
Output control the work of the first flash lamp.For terminal voltage of VBUS compared to cell voltage higher, size can meet
First input pin of requirement of one flash lamp to driving voltage, driving chip is electrically connected with terminal VBUS, can directly be utilized
Terminal VBUS provides sufficiently high voltage of VBUS to drive the first flash lamp operation for flash lamp, and passes through boosting in the prior art
Circuit is that cell voltage boosting is compared to reach the scheme of requirement of first flash lamp to driving voltage, and the utility model is implemented
The flash lamp module that example provides does not need additional booster circuit so that circuit structure is more simplified, and cost is cheaper.
Description of the drawings
It is required in being described below to embodiment in order to illustrate more clearly of the technical scheme in the embodiment of the utility model
Attached drawing to be used is briefly introduced, it should be apparent that, the accompanying drawings in the following description is only some implementations of the utility model
Example, for those of ordinary skill in the art for, without having to pay creative labor, can also be attached according to these
Figure obtains other attached drawings.
Fig. 1 is a kind of existing flashlight driving circuit；
Fig. 2 is that a kind of flash lamp that the utility model embodiment provides drives modular structure schematic diagram；
Fig. 3 is the second flash lamp of one kind that the utility model embodiment provides and control switch connecting structure schematic diagram；
Fig. 4 is a kind of control switch connecting structure schematic diagram that the utility model embodiment provides；
Fig. 5 is a kind of flash lamp with multiple first flash lamps and the second flash lamp that the utility model embodiment provides
Modular structure schematic diagram；
Fig. 6 is that a kind of flash lamp module that the utility model embodiment provides realizes structural schematic diagram.
Specific implementation mode
In order to keep the purpose of this utility model, technical solution and advantage clearer, below in conjunction with attached drawing to this practicality
It is novel to be described in further detail, it is clear that described embodiment is only the utility model some embodiments, rather than
Whole embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creative work
Under the premise of all other embodiment for being obtained, shall fall within the protection scope of the present invention.
Fig. 2 is that a kind of flash lamp that the utility model embodiment provides drives modular structure schematic diagram, as shown in Fig. 2, packet
It includes：First flash lamp 2, the driving chip 1 for driving the first flash lamp 2；The confession of first input pin 11 and terminal of driving chip 1
First output pin 12 of electric bus VBUS electrical connections, driving chip 1 is connect with the first flash lamp electricity 1；Driving chip 1 is for leading to
The output of control voltage of VBUS is crossed to control the work of the first flash lamp 2.In specific implementation process, driving chip 1 can be existing
Have in flashlight driving circuit commonly the driving chip with control function such as chip AP3267 can also be according to this reality
The special chip provided with new embodiment or practical application scene, effect is controlled by the control to output voltage
The work of first flash lamp 2.First flash lamp 2 can be above that camera, mobile phone, computer, camera etc. electronics are whole in application
The flash lamp at end, generally Light-Emitting Diode (Light-Emitting Diode, LED).It should be understood that the first flash lamp 2 in Fig. 2
Ground connection only indicates the flow direction of 2 operating current of the first flash lamp, and specific earthing mode is either the first flash lamp 2 is straight
Ground connection, can also be that the first flash lamp 2 connects driving chip 1, is grounded by the earthed circuit in driving chip 1.In driving core
When piece 1 is common driving chip, the first input pin 11 can be switch control pin (SW), and the first output pin 12 can be with
For output voltage pin (VOUT).
Compared to cell voltage higher, size can meet the first flash lamp and be wanted to driving voltage terminal voltage of VBUS
It asks, the first input pin of driving chip is electrically connected with terminal VBUS, directly can provide foot using terminal VBUS for flash lamp
Enough high voltage of VBUS to drive the first flash lamp operation, in the prior art by booster circuit be cell voltage boosting to
The scheme for reaching requirement of first flash lamp to driving voltage is compared, and the flash lamp module that the utility model embodiment provides is not required to
Want additional booster circuit so that circuit structure is more simplified, and cost is cheaper.
More specifically, as shown in Fig. 2, driving chip 1 and the first flash lamp 2 can connect in the following manner in flash lamp module
It connects：First output pin 12 of driving chip 1 is electrically connected with the anode of the first flash lamp 2；The absorption pin D of driving chip 1 with
The cathode of first flash lamp 2 is electrically connected.
With the development of terminal technology, more and more terminals support portable (On The Go, OTG) function, OTG skills
Art is primarily referred to as realizing the technology of the data transmission of equipment room in the case of no host.Such as pass through OTG technologies, connection
The USB interface of digital camera and printer, digital camera is directly connected on printer, and the photograph taken is printed immediately
Come；In another example by OTG technologies, the data in digital camera are sent on mobile hard disk, field operation is just not necessarily to
Carry expensive storage card, or one portable computer of the back of the body.Due to there is no host, the terminal of OTG functions is supported to exist
There are one the VBUS exclusively for the power supply of OTG functions for more tools in its OTG function module.Applicant had found by lot of experiments,
VBUS in OTG function modules has higher output voltage, or even up to 30V, selects suitable VBUS output voltages big
The small requirement that can directly meet the first flash lamp of terminal 2 to driving voltage.
Therefore, in the utility model embodiment, the first input pin 11 of driving chip 1 is electrically connected with terminal VBUS,
Can directly using terminal VBUS be the first flash lamp 2 sufficiently high voltage of VBUS be provided with drive the first flash lamp 2 work, with
It is in the prior art that cell voltage boosts to reach the scheme of requirement of first flash lamp 2 to driving voltage by booster circuit
It compares, the flash lamp module that the utility model embodiment provides does not need additional booster circuit so that circuit structure is more smart
Letter, cost are cheaper.
In existing terminal device, often there is a kind of flash lamp incessantly, phones with mobile telephone Ru common, generally with preceding flash of light
With two kinds of flash lamps of rear flash lamp.Therefore, optionally, the flash lamp module that the utility model embodiment is provided further includes：The
Two flash lamps and control switch.Fig. 3 is the second flash lamp of one kind that the utility model embodiment provides and control switch connection knot
Structure schematic diagram, as shown in figure 3, the anode of the second flash lamp 3 is electrically connected by controlling switch 4 with the battery circuit of terminal, wherein
VBAT is the cell voltage of terminal；The cathode of second flash lamp 3 is electrically connected with the absorption pin D of driving chip 1.It was embodied
Cheng Zhong, the second flash lamp 3 are flash lamps relatively low to driving voltage requirement, can directly being driven by VBAT.
Optionally, the first flash lamp 2 is postposition flash lamp, and the second flash lamp 3 is preposition flash lamp.Generally terminal is preposition
Flash lamp requires driving voltage relatively low, can directly be driven by VBAT, and postposition flash lamp is to the more demanding of driving voltage,
It can be driven by voltage of VBUS.Certainly, the preposition flash lamp of adjustment and postposition flash lamp can be corresponded to for the terminal of special designing
Position in flash lamp module.
The flash lamp module that the utility model embodiment is provided just is realized by a driving chip glistens to two
The driving of lamp.In the prior art, to use flashlight driving circuit to drive the work of two flash lamps or use
Special two-way flash lamp driving chip or the other driving chip for increasing by second flash lamp of driving, it is no matter any
The problem of all bringing cost increase.And to use a driving chip while driving two flash lamps, it needs using switching
Switch carries out the switching of two flash lamp branches, and such way needs external addition two-way switching switch, and also needs to outer
Portion is controlled.It can be seen that compared with prior art, flash lamp module disclosed in the utility model embodiment not only structure
Simpler, cost is also cheaper.
On the basis of flash lamp module shown in Fig. 3, the utility model embodiment further provides a kind of control and opens
The feasible realization method closed.Fig. 4 is a kind of control switch connecting structure schematic diagram that the utility model embodiment provides, and is such as schemed
Shown in 4, the control terminal 41 that switch 4 is controlled in flash lamp module is electrically connected with the first input pin 11 of driving chip 1, and control is opened
The first end 42 of pass 4 is electrically connected with battery circuit, and the second end 43 for controlling switch is electrically connected with the second flash lamp 3；Control switch
4, for controlling the connected state between battery circuit and the second flash lamp 3 according to the state of the first input pin 11.When first
When input pin 11 inputs voltage of VBUS, illustrate that the first flash lamp 2 is working, at this point, control switch 4 draws according to the first input
The state of foot 11 disconnects the connection between battery circuit and the second flash lamp 3, makes the second flash lamp 3 that can not shine.When first defeated
When entering pin 11 and not inputting voltage of VBUS, illustrate that the first flash lamp 2 is not working, draws at this point, control switch 4 is inputted according to first
The state of foot 11 makes to be connected between battery circuit and the second flash lamp 3, and then enables the second flash lamp 3 in driving chip 1
Control is lower to shine.The control switch 4 provided using the utility model embodiment can be glistened to avoid the first flash lamp 2 and second
The situation luminous simultaneously of lamp 3 is suitable for the routine use custom of user.
Optionally, the same absorption pin electricity of the cathode and driving chip of the cathode of the first flash lamp and the second flash lamp
Connection.Fig. 4 is a kind of absorption pin connected mode schematic diagram that the utility model embodiment provides, as shown in figure 4, the first flash of light
The cathode of the cathode of lamp 2 and the second flash lamp 3 is electrically connected with the same absorption pin D of driving chip 1, and flash lamp module passes through
The Power Groud pin (PGND) and simulation ground pin (AGND) of driving chip 1 are grounded.Absorb the negative electricity that pin D receives flash lamp
Stream, driving chip pass through the operating current that cathodal current controls flash lamp so that flash lamp works electricity as defined in driving chip
It flows down luminous.In the flash lamp module that the utility model embodiment is provided, the first flash lamp 2 and the second flash lamp 3 will not
It shines simultaneously, therefore, the work electricity that pin D controls the first flash lamp 2 and the second flash lamp 3 simultaneously can be absorbed by one
Stream occupies to save pin.
In specific implementation process, the intensity that a flash lamp individually shines may be unable to reach use demand.Therefore, exist
On the basis of flash lamp module shown in Fig. 4, optionally, the first flash lamp is N number of；N is the positive integer more than 1；N number of first dodges
Light lamp is electrically connected with N number of absorption pin respectively；Second flash lamp is M；M is the positive integer more than 1；M the second flash lamps point
Pin is not absorbed with M to be electrically connected.Fig. 5, which is one kind that the utility model embodiment provides, has multiple first flash lamps and second
The flash lamp module structural schematic diagram of flash lamp, as shown in figure 5, the first flash lamp 2 has 3 in flash lamp module, cathode point
It is not electrically connected with absorption pin D1, D2 and D3；There are two second flash lamps 3, and cathode is electrically connected with absorption pin D2 and D3 respectively
It connects.
In the flash lamp module that the utility model embodiment is provided, driving chip controls the first flash lamp and second and dodges
The work of light lamp.Optionally, driving chip further includes：Controlling switch for receiving control signal；Driving chip is additionally operable to root
The operating mode of the first flash lamp and/or the second flash lamp is controlled according to control signal.Generally, the operating mode of a flash lamp is total
Continuous illumination and flashing can be divided on body, it certainly, can also be to flash lamp according to luminous intensity and scintillation time interval
Operating mode further segment.A kind of feasible realization method, the controlling switch of driving chip, which includes that flash mode is enabled, draws
Foot (ENF) and torch mode enable two kinds of pin (ENM), and ENF pins receive the control signal of control flash lamp flashing,
ENM pins receive the control signal of control flash lamp continuous illumination.When ENF input voltages are high level, ENM input voltages are low
When level, flash lamp flashing；When ENF input voltages are low level, and ENM input voltages are high level, flash lamp is lasting
It shines.It further, can also be by adjusting for the flash lamp module with multiple first flash lamps and the second flash lamp
It controls signal and realizes the light on and off for controlling single flash lamp, such as flash lamp module shown in fig. 5, it is assumed that control switch at this time
4 disconnect, if inputting 010 signal in the ENF pins of driving chip 1 in Fixed Time Interval, the in three the first flash lamps 2
Two the first flash lamps 2 shine.
Optionally, further include first resistor and second resistance in the flash lamp module that the utility model embodiment is provided.
Wherein, first resistor is electrically connected with the first setting pin of driving chip, is held for the first flash lamp and the second flash lamp to be arranged
Maximum operating currenbt when supervention light；Second resistance is electrically connected with the second setting pin of driving chip, is dodged for being arranged first
Maximum operating currenbt when light lamp and the second flash lamp flashing.In specific implementation process, when the flash of light for absorbing pin reception
When lamp cathodal current is higher than the maximum operating currenbt that first resistor or second resistance are arranged, driving chip automatically controls reduction flash of light
Lamp operating current size is to realize the protection to flash lamp module.
Optionally, in the flash lamp module that the utility model embodiment is provided, driving chip further includes：Third input is drawn
Foot, third input pin are connect with end cell circuit, for powering for driving chip.Moreover, powered using battery circuit, it can
To ensure only use driving chip when end cell is in place.
In order to more further illustrate flash lamp module that the utility model embodiment is provided, the utility model embodiment is also
A kind of following possible realization method is provided.It should be understood that a kind of following possible realization utility model is only to illustrate that this practicality is new
Type embodiment does not represent the utility model embodiment and is only applicable in or only comprising a kind of following situation.
A kind of possible realization method
Fig. 6 is that a kind of flash lamp module that the utility model embodiment provides realizes structural schematic diagram, as shown in fig. 6, dodging
For the first flash lamp to be dodged after terminal, the first input pin of driving chip is SW pins, is electrically connected with the VBUS of terminal in light lamp module
It connects, the first output pin of driving chip is VOUT pins, is connect with rear lightning.Wherein, SW pins are two, it is possible to increase driving
The conveyance capacity of chip is typically each used using two SW pins to serve as pin, VOUT pins also there are two, and be
The conveyance capacity for increasing driving chip generally acts as a pin and uses.
In flash lamp module shown in Fig. 6, the second flash lamp is dodges before terminal, totally two, and control switch is transistor
Q1.The anode of preceding sudden strain of a muscle is electrically connected by Q1 with end cell circuit, and cathode is electrically connected with absorption pin D1, D2 of driving chip.
It is PNP transistor to control switch Q1, and grid is electrically connected with the SW pins of driving chip, and source electrode is electrically connected with battery circuit, leakage
Pole is electrically connected with the anode of preceding sudden strain of a muscle.When SW pins input VBUS signals, Q1 grids are high voltage, Q1 cut-offs so that battery electricity
Lu Yuqian dodges connection and disconnects；When SW stop input VBUS signals when, Q1 grids be low-voltage, Q1 conducting so that battery circuit with
Preceding sudden strain of a muscle connection.
In flash lamp module shown in Fig. 6, rear dodge also is two, and rear dodge occupies two absorption pins altogether with preceding sudden strain of a muscle,
It absorbs pin D1 and is electrically connected with the cathode dodged before one is dodged after one of them, dodged before absorbing pin D2 and dodging one after one of them
Cathode electrical connection.
Further include controlling switch ENF and ENM in flash lamp module shown in Fig. 6, for receiving control signal.
In flash lamp module shown in Fig. 6, the first setting pin is that pin (RSETM) is arranged in torch mode electric current,
First resistor is RSETM, the second setting pin is that pin (RSETF), second resistance R is arranged in flash mode electric currentSETF。
In flash lamp module shown in Fig. 6, the third pin of driving chip is Vin pins, with end cell circuit
Electrical connection, for powering for driving chip.
Further include multiple filter capacitors in flash lamp module shown in Fig. 6, for the direct current in flash lamp module
It is filtered.
Based on the same technical idea, the utility model embodiment also provides a kind of terminal, which includes any of the above-described
The flash lamp module that embodiment is provided.Its specific implementation can refer to above-described embodiment, and the application no longer goes to live in the household of one's in-laws on getting married to this one by one
It states.
Although the preferred embodiment of the utility model has been described, once a person skilled in the art knows basic
Creative concept, then additional changes and modifications may be made to these embodiments.It is wrapped so the following claims are intended to be interpreted as
It includes preferred embodiment and falls into all change and modification of the scope of the utility model.
Obviously, those skilled in the art can carry out the utility model various modification and variations without departing from this practicality
Novel spirit and scope.If in this way, these modifications and variations of the present invention belong to the utility model claims and
Within the scope of its equivalent technologies, then the utility model is also intended to include these modifications and variations.
Claims (11)
1. a kind of flash lamp module, which is characterized in that including：The driving chip of first flash lamp, driving first flash lamp；
First input pin of the driving chip is electrically connected with the power bus VBUS of terminal, and the first of the driving chip is defeated
Go out pin to be electrically connected with first flash lamp；
The driving chip is used to control the work of first flash lamp by controlling the output of the voltage of VBUS.
2. flash lamp module as described in claim 1, which is characterized in that the first output pin of the driving chip with it is described
The anode electrical connection of first flash lamp；
The absorption pin of the driving chip is electrically connected with the cathode of first flash lamp.
3. flash lamp module as claimed in claim 2, which is characterized in that further include：Second flash lamp and control switch；
The anode of second flash lamp is switched by the control to be electrically connected with the battery circuit of the terminal；
The cathode of second flash lamp is electrically connected with the absorption pin of the driving chip.
4. flash lamp module as claimed in claim 3, which is characterized in that
The control terminal of the control switch is electrically connected with the first input pin of the driving chip, and the first of the control switch
End is electrically connected with the battery circuit, and the second end of the control switch is electrically connected with second flash lamp；
The control switch glistens for controlling the battery circuit according to the state of first input pin with described second
Connected state between lamp.
5. flash lamp module as claimed in claim 3, which is characterized in that the cathode of first flash lamp and described second dodges
The cathode of light lamp is electrically connected with the same absorption pin of the driving chip.
6. flash lamp module as claimed in claim 5, which is characterized in that first flash lamp is N number of；N is just more than 1
Integer；N number of first flash lamp is electrically connected with N number of absorption pin respectively；
Second flash lamp is M；M is the positive integer more than 1；The M the second flash lamps draw with described M absorption respectively
Foot is electrically connected.
7. such as claim 3 to 6 any one of them flash lamp module, which is characterized in that the driving chip further includes：
Controlling switch for receiving control signal；
The driving chip is additionally operable to control first flash lamp and/or second flash lamp according to the control signal
Operating mode.
8. such as claim 3 to 6 any one of them flash lamp module, which is characterized in that further include：
First resistor is electrically connected with the first of the driving chip the setting pin, for first flash lamp and described to be arranged
Maximum operating currenbt when the second flash lamp continuous illumination；
Second resistance is electrically connected with the second of the driving chip the setting pin, for first flash lamp and described to be arranged
Maximum operating currenbt when the second flash lamp flashing.
9. such as claim 1 to 6 any one of them flash lamp module, which is characterized in that the driving chip further includes：
Third input pin, the third input pin are connect with the battery circuit of the terminal, for being the driving chip
Power supply.
10. flash lamp module as claimed in claim 3, which is characterized in that first flash lamp is postposition flash lamp, described
Second flash lamp is preposition flash lamp.
11. a kind of terminal, which is characterized in that including：Flash lamp module as described in any one of claim 1 to 10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720766451.5U CN207835853U (en) | 2017-06-28 | 2017-06-28 | A kind of flash lamp module and terminal |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720766451.5U CN207835853U (en) | 2017-06-28 | 2017-06-28 | A kind of flash lamp module and terminal |
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| Publication Number | Publication Date |
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| CN207835853U true CN207835853U (en) | 2018-09-07 |
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| CN201720766451.5U Active CN207835853U (en) | 2017-06-28 | 2017-06-28 | A kind of flash lamp module and terminal |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112234704A (en) * | 2020-10-12 | 2021-01-15 | 维沃移动通信有限公司 | Flash lamp power supply switching circuit, flash lamp control method and electronic equipment |
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2017
- 2017-06-28 CN CN201720766451.5U patent/CN207835853U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112234704A (en) * | 2020-10-12 | 2021-01-15 | 维沃移动通信有限公司 | Flash lamp power supply switching circuit, flash lamp control method and electronic equipment |
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Address after: 201210 Building 1, 399 Keyuan Road, Zhangjiang High Tech Park, Pudong New Area, Shanghai Patentee after: Huaqin Technology Co.,Ltd. Address before: 201210 Building 1, 399 Keyuan Road, Zhangjiang High Tech Park, Pudong New Area, Shanghai Patentee before: Huaqin Technology Co.,Ltd. Address after: 201210 Building 1, 399 Keyuan Road, Zhangjiang High Tech Park, Pudong New Area, Shanghai Patentee after: Huaqin Technology Co.,Ltd. Address before: 201210 Building 1, 399 Keyuan Road, Zhangjiang High Tech Park, Pudong New Area, Shanghai Patentee before: HUAQIN TELECOM TECHNOLOGY Co.,Ltd. |
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