CN113437776A - Multifunctional Bluetooth headset charging box - Google Patents

Multifunctional Bluetooth headset charging box Download PDF

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Publication number
CN113437776A
CN113437776A CN202110772641.9A CN202110772641A CN113437776A CN 113437776 A CN113437776 A CN 113437776A CN 202110772641 A CN202110772641 A CN 202110772641A CN 113437776 A CN113437776 A CN 113437776A
Authority
CN
China
Prior art keywords
light
control chip
main control
mcu main
bluetooth headset
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.)
Pending
Application number
CN202110772641.9A
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Chinese (zh)
Inventor
曾奇杰
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guangzhou Havit Technology Co ltd
Original Assignee
Shenzhen Duolaimi Electronic Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Shenzhen Duolaimi Electronic Co ltd filed Critical Shenzhen Duolaimi Electronic Co ltd
Priority to CN202110772641.9A priority Critical patent/CN113437776A/en
Publication of CN113437776A publication Critical patent/CN113437776A/en
Pending legal-status Critical Current

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Classifications

    • 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
    • H02J7/0042—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by the mechanical construction
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/10—Earpieces; Attachments therefor ; Earphones; Monophonic headphones
    • H04R1/1025—Accumulators or arrangements for charging
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
    • H05B45/30—Driver circuits
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
    • H05B47/10—Controlling the light source
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
    • H05B47/10—Controlling the light source
    • H05B47/16—Controlling the light source by timing means
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
    • Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)

Abstract

The invention relates to the technical field of Bluetooth headset charging boxes, in particular to a multifunctional Bluetooth headset charging box. The utility model provides a multi-functional bluetooth headset box that charges, including the box body that charges and set firmly in the PCB board of the box body that charges, still including power management chip and light-emitting component, light-emitting component is including MCU main control chip and 3 at least LED luminescence units, and power management chip and MCU main control chip set firmly respectively in the PCB board, and power management chip does MCU main control chip provides the electric energy, and MCU main control chip is equipped with the output, LED luminescence unit is equipped with input and output, 1 at least LED luminescence unit's input is connected in MCU main control chip's output. According to the technical scheme, the light emitting component is arranged, so that the MCU main control chip controls the LED light emitting unit to achieve different light effects, the playability and the interestingness of the Bluetooth headset charging box are improved, and the user experience is improved.

Description

Multifunctional Bluetooth headset charging box
Technical Field
The invention relates to the technical field of Bluetooth headset charging boxes, in particular to a multifunctional Bluetooth headset charging box.
Background
At present, although the bluetooth headset charging box is various, the bluetooth headset charging box is only used for placing the bluetooth headset and charging the placed bluetooth headset, and the function of the bluetooth headset charging box is simple but too single. Therefore, when the user uses the Bluetooth headset, the Bluetooth headset charging box cannot provide any functional help for the user, and the Bluetooth headset charging box is equivalent to a piece of useless equipment.
Disclosure of Invention
The invention aims to provide a multifunctional Bluetooth headset charging box aiming at the defects in the prior art. The function that aims at increasing bluetooth headset box that charges improves user experience.
In order to achieve the purpose, the multifunctional Bluetooth headset charging box comprises a charging box body, a PCB (printed circuit board) fixedly arranged on the charging box body, a power management chip and a light-emitting assembly, wherein the light-emitting assembly comprises an MCU (microprogrammed control unit) main control chip and at least 3 LED light-emitting units, the power management chip and the MCU main control chip are respectively and fixedly arranged on the PCB, the power management chip provides electric energy for the MCU main control chip, the MCU main control chip is provided with an output end, the LED light-emitting units are provided with input ends and output ends, and the input ends of at least 1 LED light-emitting unit are connected with the output end of the MCU main control chip.
As a further scheme of the invention: the LED light-emitting unit comprises an RGB LED lamp bead with a built-in IC.
As a further scheme of the invention: the MCU main control chip controls the LED light-emitting units to achieve the light effect of a running light, the light effect of a horse race light, the light effect of an explosion flashing light or the light effect of a breathing light.
As a further scheme of the invention: the model of the MCU main control chip comprises QFN-32.
As a further scheme of the invention: the light-emitting component also comprises a PCB RGB lamp group, a bottom case RGB lamp group and a top cover RGB lamp group which are respectively composed of at least 3 LED light-emitting units.
As a further scheme of the invention: the light-emitting component also comprises a fan lamp group formed by distributing at least 6 LED light-emitting units in a polygonal structure or an annular structure.
According to the scheme, the method further comprises the following steps: the lighting device is characterized by further comprising a switch circuit electrically connected with the MCU main control chip, a light switching module is arranged in the MCU main control chip, and the switch circuit controls the light emitting component to switch different light types by controlling the light switching module.
As a further scheme of the invention: the MCU main control chip is also internally provided with a switch module, and the switch circuit controls the LED light-emitting unit to be turned on or turned off by controlling the switch module.
As a further scheme of the invention: the device also comprises a Hall switch electrically connected with the MCU main control chip; the charging box body comprises a bottom shell and a top cover, the top cover is attracted and buckled on the bottom shell in a magnetic suction mode, and the LED light-emitting units are controlled to be lightened by a Hall switch through detecting the buckling state or the opening state of the top cover and the bottom shell.
The MCU master control chip is electrically connected with the MCU control chip, and a timing module is arranged in the MCU control chip; the Hall switch controls the MOS switch to be conducted so as to light the LED light-emitting unit, and the timing module controls the MOS switch to be cut off so as to extinguish the LED light-emitting unit.
The invention has the beneficial effects that:
according to the technical scheme, the light emitting component is arranged, so that the MCU main control chip controls the LED light emitting unit to achieve different light effects, the playability and the interestingness of the Bluetooth headset charging box are improved, and the user experience is improved.
Drawings
Fig. 1 is an overall block schematic diagram of the present invention.
Fig. 2 is a block schematic diagram of an embodiment of the present invention.
Fig. 3 is a block schematic diagram of another embodiment of the present invention.
Fig. 4 is a schematic structural diagram of an LED light-emitting unit according to the present invention.
Fig. 5 is a schematic circuit diagram of a plurality of LED light units according to the present invention.
Fig. 6 is a schematic diagram of partial signal transmission according to an embodiment of the invention.
Fig. 7 is a circuit diagram of the power management chip according to the invention.
Fig. 8 is a circuit schematic diagram of the MCU main control chip according to the present invention.
FIG. 9 is a circuit diagram according to an embodiment of the present invention.
FIG. 10 is a circuit diagram of another embodiment of the present invention.
Fig. 11 is a schematic structural diagram of an RGB light set of the bottom chassis of the invention.
Fig. 12 is a schematic structural diagram of a fan lamp set according to the present invention.
Fig. 13 is a schematic front structure view of the PCB of the present invention.
Fig. 14 is a schematic diagram of a reverse structure of the PCB of the present invention.
The reference numerals include:
1-a PCB board, wherein the PCB board is provided with a plurality of PCB boards,
11-power management chip;
21-MCU main control chip, 22-LED luminous unit, 23-PCB RGB lamp set, 24-bottom RGB lamp set, 25-top cover RGB lamp set, 26-fan lamp set,
211, a light switching module, 212, a switch module and 213, a timing module;
3-a switching circuit;
4, a Hall switch;
5-MOS switch.
Detailed Description
The present invention is described in detail below with reference to the attached drawings.
As shown in fig. 1 to 14, the embodiment of the present invention provides a multifunctional bluetooth headset charging box, which includes a charging box body, a PCB 1 fixed to the charging box body, a power management chip 11 and a light emitting assembly, where the light emitting assembly includes an MCU main control chip 21 and at least 3 LED light emitting units 22, the power management chip 11 and the MCU main control chip 21 are respectively fixed to the PCB 1, the power management chip 11 provides electric energy for the MCU main control chip 21, the MCU main control chip 21 is provided with an output end, the LED light emitting units 22 are provided with an input end and an output end, and the input end of at least 1 LED light emitting unit 22 is connected to the output end of the MCU main control chip 21.
According to the technical scheme, the light emitting assembly is arranged, so that the MCU main control chip 21 controls the LED light emitting unit 22 to achieve different lighting effects, the playability and the interestingness of the Bluetooth headset charging box are improved, and the user experience is improved.
Specifically, the MCU main control chip 21 controls the LED lighting unit 22 to realize the running light effect. Namely: the LED lighting unit 22 uses at least 3 RGB LED lamps with built-in ICs, and preferably 24. As shown in fig. 5, the LED lamp with the first IC built therein is LED1, the second is LED2, and the third is LED3, which are added up sequentially; the DIN terminal of the LED1 is connected to the output terminal of the MCU main control chip 21, the DO terminal of the LED2 is connected to the DIN terminal of the LED1, and the DIN terminal of the LED3 is connected to the DO terminal of the LED2, and similarly, the DIN terminal and the DO terminal are sequentially connected backwards. The method comprises the steps of adopting common ground wire connection and serial pole connection, and completing data receiving and decoding through a signal wire.
The working principle is as follows: each LED lighting unit 22 is a pixel, the pixel includes an intelligent digital interface data latch signal shaping and amplifying driver circuit, a power supply voltage stabilizing circuit, a built-in constant current circuit, and a high-precision RC oscillator, and the output drive adopts a patented PWM technique, thereby effectively ensuring the consistency of the lighting color of the pixel. As shown in fig. 6, D1 is data sent by the output end of the MCU main control chip 21, D2, D3, and D4 are data forwarded by the cascade circuit for automatic shaping, including power-on reset and power-off reset; the data protocol adopts a communication mode of unipolar return-to-zero codes, after the pixel points are reset in a power-on mode, the DIN end of the LED light-emitting unit 22 receives data transmitted from the output end of the MCU main control chip 21, firstly, the transmitted 24-bit data is extracted by a first pixel point and then is transmitted to a data latch inside the pixel point, the rest data is shaped and amplified by an internal shaping processing circuit and then is transmitted to the next cascaded pixel point through a DO port of the LED light-emitting unit 22, and after each pixel point is transmitted, the signal is reduced by 24 bits. The method comprises the steps that communication is carried out between an I/O port of an MCU main control chip 21 and a DIN pin of an RGB LED lamp, RGB values (0-255) of colors needing to be displayed are sent, and then the colors corresponding to the RGB values can be lightened; the lighting time of the LED lighting unit 22 is controlled by presetting a time parameter in the MCU main control chip 21 in advance and adjusting the high level time or the low level time.
It should be noted that, a person skilled in the art can connect the power management chip 11 with the MCU main control chip 21 according to the prior art to provide power for the MCU main control chip 21.
Further, the LED lighting unit 22 includes an RGB LED lamp bead with a built-in IC. The RGB LED lamp bead with the built-in IC can realize the single-point single control function; the name of the RGB LED lamp bead with the built-in IC comprises TX1812ZN, and the model comprises TC2020RGB-3 CJH. Specifically, the RGB LED lamp beads of the built-in IC have 24bit widths, which are G7, G6, G5, G4, G3, G2, G1, G0, R7, R6, R5, R4, R3, R2, R1, R0, B7, B6, B5, B4, B3, B2, B1, and B0, and the RGB LED lamp beads of the built-in IC are made to mix lights of different colors by setting different values of the 24 bits, that is, different RGB values (0-255), and the output end of the MCU main control chip 21 outputs the bit width values of the 24 RGB LED lamp beads and sends the bit width values to the input end of the RGB LED lamp beads of the built-in IC, that is to light the color corresponding to the RGB value.
In a further scheme, the MCU main control chip 21 controls the LED lighting units 22 to realize a running light effect, a horse race light effect, an explosion flash light effect, or a breathing light effect.
Specifically, the running water lamp lighting effect lighting sequence is that an LED1- > LED2- > LED3- > LED4- > LED6- > LED7- > LED8 or LED16- > LED15- > LED14- > LED13- > LED11- > LED10- > LED9 runs to the LED9 at the speed of 100ms from the LED1 respectively, and then runs in running water in multiple colors such as orange, yellow, green, cyan, purple and red respectively; the horse race lamp light effect sequence is that an LED1- > LED2- > LED3- > LED4- > LED6- > LED7- > LED8 or LED16- > LED15- > LED14- > LED13- > LED11- > LED10- > LED9 circulates the horse race at the speed of preferably 120ms according to 8 colors of red- > orange- > yellow- > green- > cyan- > blue- > purple- > white; flashing the light effect sequence of the flashing lamps, flashing each color of the seven colors of red, orange, yellow, green, cyan, blue and purple once, flashing in a reciprocating and circulating manner at the speed of 100ms on and 100ms off, displaying 25S according to the flashing speed, stopping at the current color, keeping the current color, and preferably extinguishing the lamps by 5S; the breathing lamp has the advantages that the breathing lamp is sequentially and cyclically breathed once in each color of the seven colors of red, orange, yellow, green, cyan, blue and purple, preferably 2.8S is a breathing period, 25S is displayed preferably according to the breathing period, then the current color is stopped and kept, and 5S is selected to be turned off.
Further, the model of the MCU main control chip 21 includes QFN-32. In addition, the model of the power management chip 11 includes ETA 9697. The playability and the interest of the Bluetooth headset charging box are further increased, and the user experience is improved.
In a further aspect, as shown in fig. 9, the light emitting assembly further includes a PCB RGB lamp set 23, a bottom RGB lamp set 24, and a top RGB lamp set 25, which are respectively composed of at least 3 LED light emitting units 22. The playability and the interest of the Bluetooth headset charging box are further increased, and the user experience is improved.
In a further aspect, as shown in fig. 12, the light emitting assembly further includes a fan lamp set 26 formed by at least 6 LED light emitting units 22 distributed in a polygonal structure or a ring structure. Among them, the number of the LED lighting units 22 is preferably 10. The playability and the interest of the Bluetooth headset charging box are further increased, and the user experience is improved.
According to the above further scheme, the lighting device further comprises a switch circuit 3 electrically connected to the MCU main control chip 21, a light switching module 211 is disposed in the MCU main control chip 21, and the switch circuit 3 controls the light emitting assembly to switch different light types by controlling the light switching module 211. Specifically, as shown in fig. 2 and fig. 10, the switch circuit 3 includes a first MOS transistor, a second MOS transistor, and a third MOS transistor, the switch circuit 3 sends a level instruction for switching light to the MCU main control chip 21, the light switching module 211 receives the level instruction, and sends an RGB value of a corresponding light type through the output end of the MCU main control chip 21, and the input end of the LED light-emitting unit 22 receives the sent RGB value and decodes and lights the corresponding light type, thereby completing switching of different light types.
Further, a switch module 212 is further disposed in the MCU main control chip 21, and the switch circuit 3 controls the LED lighting unit 22 to be turned on or off by controlling the switch module 212. Specifically, as shown in fig. 2 and 10, by presetting a command corresponding to the switch circuit 3 in the MCU main control chip 21, preferably, the switch circuit 3 is switched to different light types once by one-time triggering, and the switch circuit 3 is continuously triggered twice to control the on/off of the LED lighting unit 22.
In a further scheme, the device also comprises a Hall switch 4 electrically connected with the MCU main control chip 21; the charging box body comprises a bottom shell and a top cover, the top cover is attached to the bottom shell in a magnetic attraction mode, and the Hall switch 4 controls the LED light-emitting unit 22 to be lightened by detecting the buckling or opening state of the top cover and the bottom shell. Specifically, as shown in fig. 3 and 10, the top cover and the bottom cover are buckled or opened, and the hall switch 4 is triggered to control the LED lighting unit 22 to light. The intelligence is enhanced, and the applicability, the playability and the user experience are improved.
Further, the MCU timing control circuit further comprises an MOS switch 5, wherein the MOS switch 5 is electrically connected to the MCU main control chip 21, and a timing module 213 is arranged in the MCU main control chip 21; the hall switch 4 controls the MOS switch 5 to be turned on to turn on the LED lighting unit 22, and the timing module 213 controls the MOS switch 5 to be turned off to turn off the LED lighting unit 22. Specifically, as shown in fig. 3 and 10, a preset time value of the timing module 213 is set in the MCU main control chip 21, preferably 30S; the top cover and the bottom shell are buckled or opened, the Hall switch 4 is triggered to control the conduction of the MOS switch 5, so that the LED light-emitting unit 22 is lightened, and meanwhile, the timing module 213 is triggered to start timing; after 30S, the timing module 213 controls the MOS switch 5 to turn off so as to turn off the LED lighting unit 22 or to be in a standby state. The intelligence is further enhanced, the applicability, the playability and the user experience are improved, and the setting of the timing module 213 effectively saves energy and electricity.
In conclusion, the present invention has the above-mentioned excellent characteristics, so that it can be used to enhance the performance of the prior art and has practicability, and becomes a product with practical value.
The above description is only a preferred embodiment of the present invention, and for those skilled in the art, the present invention should not be limited by the description of the present invention, which should be interpreted as a limitation.

Claims (10)

1. The utility model provides a multi-functional bluetooth headset box that charges, including the box body that charges and set firmly in the PCB board of the box body that charges, its characterized in that: still including power management chip and light emitting component, light emitting component is including MCU main control chip and 3 at least LED luminescence units, and power management chip and MCU main control chip set firmly respectively in the PCB board, and power management chip does MCU main control chip provides the electric energy, and MCU main control chip is equipped with the output, LED luminescence unit is equipped with input and output, 1 at least LED luminescence unit's input is connected in MCU main control chip's output.
2. The multifunctional bluetooth headset charging box of claim 1, characterized in that: the LED light-emitting unit comprises an RGB LED lamp bead with a built-in IC.
3. The multifunctional bluetooth headset charging box of claim 2, characterized in that: the MCU main control chip controls the LED light-emitting units to achieve the light effect of a running light, the light effect of a horse race light, the light effect of an explosion flashing light or the light effect of a breathing light.
4. The multifunctional bluetooth headset charging box of claim 1, characterized in that: the model of the MCU main control chip comprises QFN-32.
5. The multifunctional bluetooth headset charging box of claim 1, characterized in that: the light-emitting component also comprises a PCB RGB lamp group, a bottom case RGB lamp group and a top cover RGB lamp group which are respectively composed of at least 3 LED light-emitting units.
6. The multifunctional bluetooth headset charging box of claim 2, characterized in that: the light-emitting component also comprises a fan lamp group formed by distributing at least 6 LED light-emitting units in a polygonal structure or an annular structure.
7. A multifunctional Bluetooth headset charging box according to any one of claims 1 to 6, wherein: the lighting device is characterized by further comprising a switch circuit electrically connected with the MCU main control chip, a light switching module is arranged in the MCU main control chip, and the switch circuit controls the light emitting component to switch different light types by controlling the light switching module.
8. The multifunctional bluetooth headset charging box of claim 7, characterized in that: the MCU main control chip is also internally provided with a switch module, and the switch circuit controls the LED light-emitting unit to be turned on or turned off by controlling the switch module.
9. The multifunctional bluetooth headset charging box of claim 7, characterized in that: the device also comprises a Hall switch electrically connected with the MCU main control chip; the charging box body comprises a bottom shell and a top cover, the top cover is attracted and buckled on the bottom shell in a magnetic suction mode, and the LED light-emitting units are controlled to be lightened by a Hall switch through detecting the buckling state or the opening state of the top cover and the bottom shell.
10. The multifunctional bluetooth headset charging box of claim 9, characterized in that: the MCU master control chip is electrically connected with the MCU control chip, and a timing module is arranged in the MCU control chip; the Hall switch controls the MOS switch to be conducted so as to light the LED light-emitting unit, and the timing module controls the MOS switch to be cut off so as to extinguish the LED light-emitting unit.
CN202110772641.9A 2021-07-08 2021-07-08 Multifunctional Bluetooth headset charging box Pending CN113437776A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110772641.9A CN113437776A (en) 2021-07-08 2021-07-08 Multifunctional Bluetooth headset charging box

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110772641.9A CN113437776A (en) 2021-07-08 2021-07-08 Multifunctional Bluetooth headset charging box

Publications (1)

Publication Number Publication Date
CN113437776A true CN113437776A (en) 2021-09-24

Family

ID=77759658

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202110772641.9A Pending CN113437776A (en) 2021-07-08 2021-07-08 Multifunctional Bluetooth headset charging box

Country Status (1)

Country Link
CN (1) CN113437776A (en)

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Effective date of registration: 20220601

Address after: Room 1307, 13 / F, poly World Trade Center Phase II (Building B and C), 1000 Xingang East Road, Haizhu District, Guangzhou, Guangdong 510000

Applicant after: GUANGZHOU HAVIT TECHNOLOGY Co.,Ltd.

Address before: 518000 b501a, 5th floor, China Zhenhua Industrial Park building, 64 Heping Road, Qinghua community, Longhua street, Longhua District, Shenzhen City, Guangdong Province

Applicant before: Shenzhen Duolaimi Electronic Co.,Ltd.

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