CN113346583A - Bilateral RGB three-color lamp synchronous control system - Google Patents
Bilateral RGB three-color lamp synchronous control system Download PDFInfo
- Publication number
- CN113346583A CN113346583A CN202110618792.9A CN202110618792A CN113346583A CN 113346583 A CN113346583 A CN 113346583A CN 202110618792 A CN202110618792 A CN 202110618792A CN 113346583 A CN113346583 A CN 113346583A
- Authority
- CN
- China
- Prior art keywords
- rgb
- lamps
- sides
- color
- mobile phone
- 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
Links
Images
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
- H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
- H02J7/00302—Overcharge protection
-
- 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
- H02J7/007—Regulation of charging or discharging current or voltage
- H02J7/00712—Regulation of charging or discharging current or voltage the cycle being controlled or terminated in response to electric parameters
- H02J7/007182—Regulation of charging or discharging current or voltage the cycle being controlled or terminated in response to electric parameters in response to battery voltage
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
- H04M1/026—Details of the structure or mounting of specific components
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/22—Illumination; Arrangements for improving the visibility of characters on dials
-
- 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Signal Processing (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention discloses a bilateral RGB (red, green and blue) tri-color lamp synchronous control system which comprises a mobile phone mainboard charging module, wherein the mobile phone mainboard charging module is connected with a USB (universal serial bus) interface charging module, a battery protection unit, a constant-current and constant-voltage conversion unit, a logic processing unit, a battery sampling unit and RGB tri-color lamps, the RGB tri-color lamps are arranged on two sides of a mobile phone and are adjusted in a timing mode through the logic processing unit, and the logic processing unit resets the RGB tri-color lamps on two sides within a flashing time interval. The invention can synchronously turn on the electric quantity or unread message prompt lamps at two sides according to the priority, regularly adjust the RGB lamps at two sides when controlling the RGB lamps at two sides to flash, reset the RGB lamps at two sides within a flash time interval, realize a synchronous mechanism under the flash state, lead the RGB lamps at two sides to flash simultaneously and realize the simultaneous control of the RGB lamps at two sides.
Description
Technical Field
The invention relates to the field of Android technical coding, in particular to a bilateral RGB (red, green and blue) tri-color lamp synchronous control system.
Background
The existing smart phone is basically provided with an RGB (red, green and blue) three-color lamp for prompting the state of the mobile phone to a user, and when the mobile phone receives a message or is in a charging state, the RGB three-color lamp is turned on and prompts are performed through the RGB three-color lamp after charging is completed. At present, RGB (red, green and blue) tricolor lamps are arranged on two sides of a part of models of mobile phones, and the mobile phones have special effects through the RGB tricolor lamps so as to increase the use experience of users.
In the current state of the art, the same path of I is needed to control the synchronous control system of RGB three-color lamps at both sides simultaneously2C, but using a different I2C can not reach bilateral synchronous control by controlling RGB three-color lamps on one side respectively, and can only be controlled independently, so that certain defects exist.
Disclosure of Invention
The invention aims to provide a bilateral RGB (red, green and blue) tri-color lamp synchronous control system, which can control RGB tri-color lamps on two sides of a mobile phone at the same time so as to achieve a better prompt effect.
In order to solve the technical problems, the invention provides a bilateral RGB (red, green and blue) three-color lamp synchronous control system which comprises a mobile phone mainboard charging module, wherein the mobile phone mainboard charging module is connected with a USB (universal serial bus) interface charging module, a battery protection unit, a constant-current and constant-voltage conversion unit, a logic processing unit, a battery sampling unit and RGB three-color lamps, the RGB three-color lamps are arranged on two sides of a mobile phone, the RGB three-color lamps are adjusted in a timing mode through the logic processing unit, and the logic processing unit resets the RGB three-color lamps in the flashing time interval of the RGB three-color lamps on two sides.
Further, the RGB three-color lamps include a red lamp, a green lamp, and a blue lamp.
Furthermore, the RGB three-color lamps at two sides respectively pass through a path I2And C is connected with the mobile phone mainboard charging module.
Furthermore, a power supply unit is connected to the USB interface charging module.
Further, the power supply unit comprises a transformer, a full-bridge rectifier and a three-terminal regulator.
Furthermore, the battery protection unit comprises a lithium battery protection chip and a metal oxide semiconductor field effect transistor.
Further, the constant current and constant voltage conversion unit comprises a constant current source and a constant voltage source, the constant current source comprises a constant current diode, and the constant voltage source comprises a DCDC module and an LDO module.
Drawings
FIG. 1 is a flow chart of the charging mode RGB three-color lamp lighting in the mobile phone power-off state according to the present invention;
FIG. 2 is a flow chart of the charging mode RGB three-color lamp lighting process of the mobile phone in the power-on state of the invention;
FIG. 3 is a flow chart of the RGB three-color lamp lighting process in the non-charging mode when the mobile phone is turned on;
fig. 4 is a schematic block diagram of a mobile phone charging module according to the present invention.
Detailed Description
The two-sided RGB tristimulus lamp synchronization control system of the present invention will now be described in more detail, with reference to the schematic drawings in which preferred embodiments of the invention are shown, it being understood that one skilled in the art could modify the invention herein described while still achieving the advantageous effects of the invention. Accordingly, the following description should be construed as broadly as possible to those skilled in the art and not as limiting the invention.
The invention is described in more detail in the following paragraphs by way of example with reference to the accompanying drawings. Advantages and features of the present invention will become apparent from the following description and from the claims. It is to be noted that the drawings are in a very simplified form and are not to precise scale, which is merely for the purpose of facilitating and distinctly claiming the embodiments of the present invention.
As shown in fig. 4, an embodiment of the present invention provides a bilateral RGB three-color lamp synchronous control system, including a mobile phone motherboard charging module 1, where the mobile phone motherboard charging module 1 is connected with a USB interface charging module 2, a battery protection unit 3, a constant current and constant voltage conversion unit 4, a logic processing unit 5, a battery sampling unit 6, and RGB three-color lamps 7, the RGB three-color lamps 7 are disposed on two sides of a mobile phone, the RGB three-color lamps 7 are adjusted in a timing manner by the logic processing unit 5, and the logic processing unit 5 resets the RGB three-color lamps 7 at two sides within a flashing time interval.
The mobile phone battery is generally a lithium ion battery, the mobile phone battery is connected with an external power supply through a USB interface charging module 2, battery information is collected through a battery sampling unit 6, the battery is subjected to constant-current charging under the action of a constant-current and constant-voltage conversion unit 4 when the low voltage of the battery is below 4.2V, the battery is subjected to constant-voltage charging when the voltage of the battery is 4.2V, so that the better charging efficiency of the battery is ensured, the battery is prevented from being overcharged through the protection effect of a battery protection unit 3, and the logic processing unit 5 realizes the illumination of RGB lamps with different colors according to the starting state and the type of received messages of the mobile phone; when the RGB three-color lamps 7 on both sides are controlled to flash simultaneously, the logic processing unit 5 will adjust the RGB lamps on both sides at regular time, and reset the RGB lamps on both sides within the flash time interval, so that it realizes the synchronous mechanism under the flash state.
The RGB three-color lamps 7 include a red lamp, a green lamp, and a blue lamp. In this embodiment, because among the RGB trichromatic lamp 7, a lamp pearl through the encapsulation realizes red, green, blue trichromatic, carries out the adjustment on the electric current through external control ware to three colour, makes it reach different luminance effects, can mix the light through red green blue trichromatic and become the white light colour, also can the independent control red, green, blue trichromatic and mix the light effect.
The RGB three-color lamps 7 on both sides respectively pass through a path I2And C is connected with the mobile phone mainboard charging module 1. In the present embodiment, I2The C bus is a simple, bi-directional two-wire synchronous serial bus that requires only two wires to transfer information between devices connected to the bus, the master device being used to enable the bus to transfer data and generate a clock to open up the transferred devices, when any addressed device is considered a slave device, the relationship between master and slave, transmit and receive on the bus is not constant, but depends on the direction of data transfer at that time. If the host wants to send data to the slave device, the host addresses the slave device first, then actively sends the data to the slave device, and finally the host terminates the data transmission; if the host is to receive data from a slave device, the slave device is first addressed by the master device, then the host receives the data sent from the slave device, and finally the host terminates the receiving process, in which case the host is responsible for generating the timing clock and terminating the data transfer.
And the USB interface charging module 2 is connected with a power supply unit. In the present embodiment, the power supply unit is an energy supply station of each unit, and the lithium ion battery is connected to the USB interface charging module 2 to realize charging.
The power supply unit comprises a transformer, a full-bridge rectifier and a three-terminal regulator. In this embodiment, the transformer transforms 220V ac to 15V ac, then the full-bridge rectification transforms the ac to dc, the two polar capacitors are used for low frequency filtering of the power supply, the non-polar capacitor is used for high frequency filtering of the power supply, and the three-terminal regulator stabilizes the power supply voltage and outputs a relatively stable dc voltage.
The battery protection unit 3 includes a lithium battery protection chip and a metal oxide semiconductor field effect transistor. In the present embodiment, the battery protection unit 3 is an indispensable part of the battery charging circuit, and it mainly prevents the battery from being overcharged; the circuit of the battery protection unit 3 mainly comprises a special integrated circuit DW01 for lithium battery protection and a charge/discharge control MOSFET1 (including two N-channel MOSFETs), etc., and when the voltage of a single battery exceeds 4.35V during charging, an OC pin of the special integrated circuit DW01 outputs a signal to turn off the charge control MOSFET, so that the lithium battery immediately stops charging, thereby preventing the lithium battery from being damaged due to overcharge.
The constant current and constant voltage conversion unit 4 comprises a constant current source and a constant voltage source, the constant current source comprises a constant current diode, and the constant voltage source comprises a DCDC module and an LDO module. In this embodiment, the DCDC module is a device for converting a dc power supply of a certain voltage level into a dc power supply of another voltage level, and is divided into two types of a step-up power supply and a step-down power supply according to a voltage level conversion relationship, an isolated power supply and a non-isolated power supply according to an input/output relationship, for example, a DC/DC converter connected to a vehicle DC power supply converts high-voltage DC power to low-voltage DC power, the DCDC module in this embodiment uses a boost power supply, the LDO output module is a linear regulator that uses a transistor or Field Effect Transistor (FET) operating in its saturation region to subtract excess voltage from the applied input voltage to produce a regulated output voltage, and the droop voltage is the minimum of the difference between the input voltage and the output voltage required by the regulator to maintain the output voltage within 100mV above and below its rated value.
The following is a list of preferred embodiments of the synchronous control system for RGB three-color lamps, to clearly illustrate the contents of the present invention, it should be understood that the contents of the present invention are not limited to the following embodiments, and other modifications by conventional technical means of those skilled in the art are within the scope of the idea of the present invention.
As shown in fig. 1, an embodiment of the present invention provides a method for lighting an RGB tri-color lamp in a charging mode in a mobile phone shutdown state, including the following steps: the information is received in the shutdown state, and the information cannot be displayed, so that only the full-charge state and the non-full-charge state are judged, different color indicating lamps are synchronously started in the two states, generally, the red lamp is used in the non-full-charge state, and the blue lamp is used in the full-charge state, so that the charging state is prompted to a user.
As shown in fig. 2, an embodiment of the present invention provides a method for lighting an RGB tri-color lamp in a charging mode in a mobile phone power-on state, including the following steps: in a starting-up state, determining processes in different states according to received messages; in the starting state, judging whether the power supply is in a full-charge state or not, judging whether the power supply belongs to a low-power mode or not in the non-full-charge state, if the power supply is in the low-power mode, judging whether the power supply contains unread messages or not, and if the power supply contains unread messages, synchronously turning on lamps corresponding to the low-power modes on two sides or lamps of the unread messages according to the priority; if the information is not in the low-power mode, whether the information contains unread information is judged, and the lamp corresponding to the low-power mode on the two sides or the lamp of the unread information is synchronously turned on according to the priority.
As shown in fig. 3, an embodiment of the present invention provides a method for lighting RGB three-color lamps in a non-charging mode when a mobile phone is in a power-on state, including the following steps: in the mode of no charging, the electric quantity is low, at this time, the user can search and judge whether unread messages exist, if the unread messages do not exist, the red light flashing function at two sides can be started, and the user can use the red light flashing function at different I2Under the control of C, the RGB lamps at the two sides are respectively and independently controllable, the flickering at the two sides is delayed, the RGB lamps at the two sides are not synchronous in flickering, the logic processing unit 5 is used for carrying out timing adjustment on the RGB lamps at the two sides, and the RGB lamps at the two sides are reset within the flickering time interval, so that a synchronous mechanism under the flickering state is realized.
In summary, when the mobile phone is charged in the power-off or power-on state, the flows in different states are determined according to the received message, the priority of the message is determined, the lamps corresponding to the double-side low-power mode or the lamps of the unread message are synchronously turned on according to the priority, when the double-side RGB lamps are controlled to flash, the double-side RGB lamps are regularly adjusted, and the double-side RGB lamps are reset within the flash time interval, so that the synchronous mechanism in the flash state is realized, the double-side RGB lamps flash at the same time, and the simultaneous control of the double-side RGB lamps is realized.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (7)
1. The bilateral RGB three-color lamp synchronous control system is characterized by comprising a mobile phone mainboard charging module, wherein the mobile phone mainboard charging module is connected with a USB interface charging module, a battery protection unit, a constant-current constant-voltage conversion unit, a logic processing unit, a battery sampling unit and RGB three-color lamps, the RGB three-color lamps are arranged on two sides of a mobile phone and are adjusted in a timing mode through the logic processing unit, and the logic processing unit resets the RGB three-color lamps on two sides within a flashing time interval.
2. The dual-sided RGB three-color lamp synchronous control system of claim 1, wherein the RGB three-color lamps include a red lamp, a green lamp, and a blue lamp.
3. The dual-sided RGB three-color lamp synchronous control system of claim 1, wherein the RGB three-color lamps of both sides pass through one path I, respectively2And C is connected with the mobile phone mainboard charging module.
4. The system for synchronously controlling RGB three-color lamps on two sides as claimed in claim 1, wherein the USB interface charging module is connected with a power supply unit.
5. The dual-sided RGB tri-color lamp synchronous control system of claim 4, wherein the power supply unit comprises a transformer, a full-bridge rectifier, and a three-terminal regulator.
6. The system of claim 1, wherein the battery protection unit comprises a lithium battery protection chip and a mosfet.
7. The dual-sided RGB tri-color lamp synchronous control system of claim 1, wherein the constant current and constant voltage converting unit includes a constant current source and a constant voltage source, the constant current source includes a constant current diode, and the constant voltage source includes a DCDC module and an LDO module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110618792.9A CN113346583A (en) | 2021-06-03 | 2021-06-03 | Bilateral RGB three-color lamp synchronous control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110618792.9A CN113346583A (en) | 2021-06-03 | 2021-06-03 | Bilateral RGB three-color lamp synchronous control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113346583A true CN113346583A (en) | 2021-09-03 |
Family
ID=77473399
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110618792.9A Pending CN113346583A (en) | 2021-06-03 | 2021-06-03 | Bilateral RGB three-color lamp synchronous control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113346583A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102761652A (en) * | 2011-04-29 | 2012-10-31 | 晨讯科技(沈阳)有限公司 | Mobile phone and control method for indicator lamp of mobile phone |
| CN203616564U (en) * | 2013-12-30 | 2014-05-28 | 徐冰 | Externally arranged flashlight for mobile terminal and light filling system |
| CN105196879A (en) * | 2015-10-30 | 2015-12-30 | 北京新能源汽车股份有限公司 | Electric automobile and be used for electric automobile's automatic warning system |
| CN105848356A (en) * | 2016-05-17 | 2016-08-10 | 四川创燚科技有限公司 | Three-color lamp color transformation control method |
| CN106649048A (en) * | 2015-11-03 | 2017-05-10 | 广达电脑股份有限公司 | Indicator light control system and light-emitting diode control method |
| CN107318196A (en) * | 2017-08-16 | 2017-11-03 | 惠州Tcl移动通信有限公司 | The indicator light circuit and its control method of a kind of mobile terminal |
| CN108278566A (en) * | 2018-01-31 | 2018-07-13 | 江苏飞天照明有限公司 | RGB synchronous intelligent lamp strings |
| CN111586917A (en) * | 2020-06-23 | 2020-08-25 | 台州市椒江萤星电子电器有限公司 | LED lamp string system and control method thereof |
| CN112654122A (en) * | 2020-06-03 | 2021-04-13 | 西安优势物联网科技有限公司 | Intelligent navigation aid lamp and synchronous flashing method |
-
2021
- 2021-06-03 CN CN202110618792.9A patent/CN113346583A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102761652A (en) * | 2011-04-29 | 2012-10-31 | 晨讯科技(沈阳)有限公司 | Mobile phone and control method for indicator lamp of mobile phone |
| CN203616564U (en) * | 2013-12-30 | 2014-05-28 | 徐冰 | Externally arranged flashlight for mobile terminal and light filling system |
| CN105196879A (en) * | 2015-10-30 | 2015-12-30 | 北京新能源汽车股份有限公司 | Electric automobile and be used for electric automobile's automatic warning system |
| CN106649048A (en) * | 2015-11-03 | 2017-05-10 | 广达电脑股份有限公司 | Indicator light control system and light-emitting diode control method |
| CN105848356A (en) * | 2016-05-17 | 2016-08-10 | 四川创燚科技有限公司 | Three-color lamp color transformation control method |
| CN107318196A (en) * | 2017-08-16 | 2017-11-03 | 惠州Tcl移动通信有限公司 | The indicator light circuit and its control method of a kind of mobile terminal |
| CN108278566A (en) * | 2018-01-31 | 2018-07-13 | 江苏飞天照明有限公司 | RGB synchronous intelligent lamp strings |
| CN112654122A (en) * | 2020-06-03 | 2021-04-13 | 西安优势物联网科技有限公司 | Intelligent navigation aid lamp and synchronous flashing method |
| CN111586917A (en) * | 2020-06-23 | 2020-08-25 | 台州市椒江萤星电子电器有限公司 | LED lamp string system and control method thereof |
Non-Patent Citations (2)
| Title |
|---|
| 吴俊融 等: "具有电池充放电管理及故障报警功能的新型应急灯的研制与应用", 《赤峰学院学报》 * |
| 曾起: "基于FPGA的多通道LED控制器设计与实现", 《中国优秀博硕士学位论文全文数据库(硕士)工程科技Ⅱ辑》 * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US20210313822A1 (en) | Wireless charging method and device to be charged | |
| CN104660331A (en) | Information sending, receiving method and device of terminal, and the terminal | |
| CN107359663B (en) | MCU control voltage regulating device and voltage regulating method based on quick charge protocol | |
| US20220181900A1 (en) | Charging apparatus, charging method, and electronic device | |
| CN107514585A (en) | A kind of Bluetooth audio device ceiling lamp | |
| CN111900780A (en) | Mobile power supply quick charging protocol conversion device and control method thereof | |
| CN112769181A (en) | Bidirectional charging circuit and device of electric power storage equipment and control method | |
| CN106211498B (en) | Light color control method of lighting device | |
| WO2022166420A1 (en) | Charging control method, electronic device, and wireless charging system | |
| CN203181285U (en) | LED lamp control system | |
| WO2023207372A1 (en) | Modular led driving circuit | |
| CN113346583A (en) | Bilateral RGB three-color lamp synchronous control system | |
| CN209824090U (en) | LED drive control circuit compatible with wireless dimming and color modulation and wall switch color modulation | |
| CN110418321A (en) | The low-power consumption means of communication, device, system, electronic equipment and storage medium | |
| CN215733552U (en) | Charger, terminal and charging system | |
| CN205304351U (en) | Multifunctional charger | |
| CN210725426U (en) | LED power supply with dual-mode power supply | |
| CN210579401U (en) | Wireless dimming and color mixing device | |
| CN210694428U (en) | LED driving chip and LED driving system | |
| CN211702490U (en) | Light emitting device control circuit and light source system | |
| CN111083827B (en) | LED intelligent light and color adjusting circuit | |
| CN207340235U (en) | A kind of LED light modulations toning circuit and LED light modulation ager | |
| CN203661373U (en) | Solar and mains supply-compatible warning lamp | |
| CN210609795U (en) | Intelligent lamp control circuit | |
| CN113300439A (en) | Charger, terminal and charging system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210903 |
|
| RJ01 | Rejection of invention patent application after publication |