CN204206539U - A sound-activated multi-channel lamp selection circuit - Google Patents
A sound-activated multi-channel lamp selection circuit Download PDFInfo
- Publication number
- CN204206539U CN204206539U CN201420595253.3U CN201420595253U CN204206539U CN 204206539 U CN204206539 U CN 204206539U CN 201420595253 U CN201420595253 U CN 201420595253U CN 204206539 U CN204206539 U CN 204206539U
- Authority
- CN
- China
- Prior art keywords
- voice
- activated
- selection circuit
- terminal
- multiplexer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 239000003990 capacitor Substances 0.000 claims abstract description 24
- 239000003086 colorant Substances 0.000 claims description 6
- 238000005516 engineering process Methods 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
Classifications
-
- 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
- Circuit Arrangement For Electric Light Sources In General (AREA)
Abstract
本实用新型涉及一种声控式多路电灯选择电路,属于电子技术领域。本实用新型包括变压器、整流桥堆、电解电容、三端稳压管、声控选择电路;其中变压器的初级线圈与电源连接,变压器的次级线圈与整流桥堆的输入端连接,整流桥堆的输出端正极与电解电容的正极连接,电解电容的正极又与三端稳压管的输入端连接,三端稳压管的输出端与声控选择电路连接,整流桥堆输出端负极、电解电容的负极、三端稳压管的接地端接地。本实用新型电路结构简单,成本较低;通过声控开关和多路复用器二者相结合,可以实现多个电灯同时开启和关闭,也可以实现多个电灯有选择的开启和关闭从而达到多电灯有选择的控制及节能的目的;通过设置不能颜色的灯,可以避免显示单调。
The utility model relates to a sound-activated multi-channel electric lamp selection circuit, which belongs to the field of electronic technology. The utility model includes a transformer, a rectifier bridge stack, an electrolytic capacitor, a three-terminal voltage regulator tube, and a sound control selection circuit; wherein the primary coil of the transformer is connected to the power supply, the secondary coil of the transformer is connected to the input end of the rectifier bridge stack, and the rectifier bridge stack The positive pole of the output terminal is connected to the positive pole of the electrolytic capacitor, and the positive pole of the electrolytic capacitor is connected to the input terminal of the three-terminal voltage regulator tube. The ground terminal of the negative electrode and the three-terminal voltage regulator tube is grounded. The circuit structure of the utility model is simple, and the cost is low; through the combination of the voice control switch and the multiplexer, multiple lamps can be turned on and off at the same time, and multiple lamps can be turned on and off selectively to achieve multiple Electric lights have the purpose of selective control and energy saving; by setting lights that cannot be colored, monotonous display can be avoided.
Description
技术领域 technical field
本实用新型涉及一种声控式多路电灯选择电路,属于电子技术领域。 The utility model relates to a sound-activated multi-channel electric lamp selection circuit, which belongs to the field of electronic technology.
背景技术 Background technique
随着科技的进步,声控灯已经广泛应用在居民楼的楼道中,它给人民的生活带来很多的方便。使用过程中,当对着声控电路拍手或喊叫时,可以使小灯工作几秒钟,然后自动关闭。 With the advancement of science and technology, voice-activated lights have been widely used in the corridors of residential buildings, which bring a lot of convenience to people's lives. During use, when clapping or shouting to the voice control circuit, the small light can be made to work for a few seconds, and then automatically turned off.
然而现有技术中的声控电路都是单一的选择控制,不能实现多个电灯同时开启和关闭,也不能实现多个电灯有选择的开启和关闭从而达到多电灯有选择的控制及节能的目的。另外,声控电路中电灯发光颜色单一,使得显示单调。 However, the voice control circuit in the prior art is a single selection control, which cannot realize the simultaneous turning on and off of multiple lights, nor can it realize the selective turning on and off of multiple lights so as to achieve the purpose of selective control and energy saving of multiple lights. In addition, the color of the lamp in the voice control circuit is single, which makes the display monotonous.
随着人们对日常生活要求的提高及节能的要求,人们已经开始逐渐要求提供一种性价比高、电路结构简单的声控式多路电灯选择电路。 With the improvement of people's requirements for daily life and energy-saving requirements, people have begun to gradually request to provide a voice-activated multi-channel lamp selection circuit with high cost performance and simple circuit structure.
发明内容 Contents of the invention
本实用新型提供了一种声控式多路电灯选择电路,以用于解决现有技术中的声控电路都是单一的选择控制、声控电路中电灯发光颜色单一、成本高的问题。 The utility model provides a voice-activated multi-channel electric lamp selection circuit, which is used to solve the problems in the prior art that the voice-activated circuits all use single selection control, the light-emitting color of the electric lamps in the voice-activated circuit is single, and the cost is high.
本实用新型的技术方案是:一种声控式多路电灯选择电路,包括变压器1、整流桥堆2、电解电容3、三端稳压管4、声控选择电路;其中变压器1的初级线圈与电源连接,变压器1的次级线圈与整流桥堆2的输入端连接,整流桥堆2的输出端正极与电解电容3的正极连接,电解电容3的正极又与三端稳压管4的输入端连接,三端稳压管4的输出端与声控选择电路连接,整流桥堆2输出端负极、电解电容3的负极、三端稳压管4的接地端接地。 The technical scheme of the utility model is: a voice-activated multi-channel electric lamp selection circuit, including a transformer 1, a rectifier bridge stack 2, an electrolytic capacitor 3, a three-terminal voltage regulator tube 4, and a voice-activated selection circuit; wherein the primary coil of the transformer 1 and the power supply connection, the secondary coil of the transformer 1 is connected to the input terminal of the rectifier bridge stack 2, the positive pole of the output terminal of the rectifier bridge stack 2 is connected to the positive pole of the electrolytic capacitor 3, and the positive pole of the electrolytic capacitor 3 is connected to the input terminal of the three-terminal regulator tube 4 Connect, the output end of the three-terminal voltage regulator tube 4 is connected to the voice control selection circuit, the negative pole of the output terminal of the rectifier bridge stack 2, the negative pole of the electrolytic capacitor 3, and the grounding terminal of the three-terminal voltage regulator tube 4 are grounded.
所述声控选择电路的个数为一个或多个;其中每个声控选择电路之间并联。 There are one or more voice-activated selection circuits; each voice-activated selection circuit is connected in parallel.
所述声控选择电路包括声控开关5、灯6、多路复用器7;其中声控开关5与灯6串联,灯6与多路复用器7相连,多路复用器7的公共端与外部控制器的ADC接口相连,多路复用器7的A0、A1、A2、A3端口和EN端分别与外部控制器的I/O端口相连。 Described voice-activated selection circuit comprises voice-activated switch 5, lamp 6, multiplexer 7; Wherein voice-activated switch 5 is connected in series with lamp 6, lamp 6 links to each other with multiplexer 7, and the common end of multiplexer 7 is connected with The ADC interface of the external controller is connected, and the ports A0, A1, A2, A3 and EN of the multiplexer 7 are respectively connected with the I/O ports of the external controller.
所述声控开关5、灯6的个数小于等于多路复用器7中输入端口的个数。 The number of voice-activated switches 5 and lamps 6 is less than or equal to the number of input ports in the multiplexer 7 .
所述声控开关5、灯6的个数为多个。 There are multiple voice-activated switches 5 and lamps 6 .
所述灯6为多种不同的颜色。 The lamps 6 are of various colors.
所述多路复用器7的型号为ADG706。 The model of the multiplexer 7 is ADG706.
本实用新型的工作原理是: The working principle of the utility model is:
在白天或光线较亮时,声控开关5处于关闭状态;夜晚或光线较暗时,声控开关处于预备工作状态。 During the day or when the light is brighter, the voice-activated switch 5 is in an off state; at night or when the light is darker, the voice-activated switch is in a ready-to-work state.
电路工作时,夜晚或光线较暗时,声控开关5检测到声音则处于开启状态;同时,多路复用器7对应的16个单通道S1、S2、S3、S4、S5、S6、S7、S8、S9、S10、S11、S12、S13、S14、S15和S16通过外部控制器处于开启状态,则对应声控选择电路中的灯6亮(即只有对应声控选择电路中的声控开关5和多路复用器7同时处于开启状态,则对应声控选择电路中的灯6亮,否则不亮)。 When the circuit is working, at night or when the light is dark, the sound-activated switch 5 is in the open state when it detects the sound; meanwhile, the 16 single-channels S1, S2, S3, S4, S5, S6, S7, S8, S9, S10, S11, S12, S13, S14, S15 and S16 are in the open state through the external controller, then the light 6 in the corresponding voice control selection circuit is on (that is, only the voice control switch 5 and the multi-way switch in the corresponding voice control selection circuit If the multiplexer 7 is in the open state at the same time, the light 6 in the corresponding voice control selection circuit is on, otherwise it is not on).
其中,外部控制器(如型号为:MSP430F2132单片机)通过其I/O端口对多路复用器7的A0、A1、A2和A3进行控制,可在任意时刻实现多路复用器7的S1、S2、S3、S4、S5、S6、S7、S8、S9、S10、S11、S12、S13、S14、S15和S16端口中的任意一个与公共端D连通。 Among them, the external controller (such as the model: MSP430F2132 single-chip microcomputer) controls A0, A1, A2 and A3 of the multiplexer 7 through its I/O port, and can realize the S1 of the multiplexer 7 at any time. Any one of ports S2, S3, S4, S5, S6, S7, S8, S9, S10, S11, S12, S13, S14, S15 and S16 is connected to the common port D.
其中,所述外部控制器(如MSP430F2132单片机)与ADG706的连接及其对ADG706输入通道的选择与控制均为常规技术,如专利CN200920251213.6《多通道光功率计》一文中介绍了单片机与ADG706的连接及其对ADG706的通道的选择与控制。 Among them, the connection between the external controller (such as MSP430F2132 single-chip microcomputer) and ADG706 and the selection and control of the input channel of ADG706 are all conventional technologies, such as the patent CN200920251213.6 "multi-channel optical power meter". The connection and the selection and control of the ADG706 channel.
本实用新型所述构成元件均为市售元件。 The constituent elements described in the utility model are all commercially available elements.
本实用新型的有益效果是:电路结构简单,成本较低;通过声控开关和多路复用器二者相结合,可以实现多个电灯同时开启和关闭,也可以实现多个电灯有选择的开启和关闭从而达到多电灯有选择的控制及节能的目的;通过设置不能颜色的灯,可以避免显示单调。 The beneficial effects of the utility model are: the circuit structure is simple, and the cost is low; through the combination of the voice control switch and the multiplexer, multiple lamps can be turned on and off at the same time, and multiple lamps can also be turned on selectively. and turn off so as to achieve the purpose of selective control and energy saving of multiple lights; by setting lights that cannot be colored, it can avoid monotonous display.
附图说明 Description of drawings
图1为本实用新型的电路原理图; Fig. 1 is a schematic circuit diagram of the utility model;
图中各标号为:1为变压器、2为整流桥堆、3为电解电容、4为三端稳压管、5为声控开关、6为灯、7为多路复用器。 Each label in the figure is: 1 is a transformer, 2 is a bridge rectifier stack, 3 is an electrolytic capacitor, 4 is a three-terminal voltage regulator tube, 5 is a voice-activated switch, 6 is a lamp, and 7 is a multiplexer.
具体实施方式 Detailed ways
下面结合附图和实施例,对本实用新型作进一步说明,但本实用新型的内容并不限于所述范围。 Below in conjunction with accompanying drawing and embodiment, the utility model will be further described, but the content of the utility model is not limited to said range.
实施例1:如图1所示,一种声控式多路电灯选择电路,包括变压器1、整流桥堆2、电解电容3、三端稳压管4、声控选择电路;其中变压器1的初级线圈与电源连接,变压器1的次级线圈与整流桥堆2的输入端连接,整流桥堆2的输出端正极与电解电容3的正极连接,电解电容3的正极又与三端稳压管4的输入端连接,三端稳压管4的输出端与声控选择电路连接,整流桥堆2输出端负极、电解电容3的负极、三端稳压管4的接地端接地。 Embodiment 1: As shown in Figure 1, a voice-activated multi-channel lamp selection circuit includes a transformer 1, a rectifier bridge stack 2, an electrolytic capacitor 3, a three-terminal voltage regulator tube 4, and a voice-activated selection circuit; wherein the primary coil of the transformer 1 Connected to the power supply, the secondary coil of the transformer 1 is connected to the input terminal of the rectifier bridge stack 2, the positive pole of the output terminal of the rectifier bridge stack 2 is connected to the positive pole of the electrolytic capacitor 3, and the positive pole of the electrolytic capacitor 3 is connected to the three-terminal regulator tube 4 The input end is connected, the output end of the three-terminal voltage regulator tube 4 is connected to the voice control selection circuit, the negative pole of the output terminal of the rectifier bridge stack 2, the negative pole of the electrolytic capacitor 3, and the grounding terminal of the three-terminal voltage regulator tube 4 are grounded.
所述声控选择电路的个数为一个;其中每个声控选择电路之间并联。 There is one voice-activated selection circuit; each voice-activated selection circuit is connected in parallel.
所述声控选择电路包括声控开关5、灯6、多路复用器7;其中声控开关5与灯6串联,灯6与多路复用器7相连,多路复用器7的公共端与外部控制器的ADC接口相连,多路复用器7的A0、A1、A2、A3端口和EN端分别与外部控制器的I/O端口相连。 Described voice-activated selection circuit comprises voice-activated switch 5, lamp 6, multiplexer 7; Wherein voice-activated switch 5 is connected in series with lamp 6, lamp 6 links to each other with multiplexer 7, and the common end of multiplexer 7 is connected with The ADC interface of the external controller is connected, and the ports A0, A1, A2, A3 and EN of the multiplexer 7 are respectively connected with the I/O ports of the external controller.
所述声控开关5、灯6的个数小于等于16个(即可取2-16中任意一个值,也可取端点值)。 The number of the voice-activated switches 5 and lamps 6 is less than or equal to 16 (that is, any value in 2-16, or an endpoint value).
所述灯6为多种不同的颜色(如灯6的颜色可以为同一种;可以分别为不同;也可以部分相同、部分不同)。 The lamps 6 have different colors (for example, the colors of the lamps 6 can be the same; they can be different respectively; they can also be partly the same or partly different).
所述多路复用器7的型号为ADG706。 The model of the multiplexer 7 is ADG706.
实施例2:如图1所示,一种声控式多路电灯选择电路,包括变压器1、整流桥堆2、电解电容3、三端稳压管4、声控选择电路;其中变压器1的初级线圈与电源连接,变压器1的次级线圈与整流桥堆2的输入端连接,整流桥堆2的输出端正极与电解电容3的正极连接,电解电容3的正极又与三端稳压管4的输入端连接,三端稳压管4的输出端与声控选择电路连接,整流桥堆1输出端负极、电解电容3的负极、三端稳压管4的接地端接地。 Embodiment 2: As shown in Figure 1, a voice-activated multi-channel lamp selection circuit includes a transformer 1, a rectifier bridge stack 2, an electrolytic capacitor 3, a three-terminal voltage regulator tube 4, and a voice-activated selection circuit; wherein the primary coil of the transformer 1 Connected to the power supply, the secondary coil of the transformer 1 is connected to the input terminal of the rectifier bridge stack 2, the positive pole of the output terminal of the rectifier bridge stack 2 is connected to the positive pole of the electrolytic capacitor 3, and the positive pole of the electrolytic capacitor 3 is connected to the three-terminal regulator tube 4 The input end is connected, the output end of the three-terminal voltage regulator tube 4 is connected to the voice control selection circuit, the negative pole of the output terminal of the rectifier bridge stack 1, the negative pole of the electrolytic capacitor 3, and the grounding terminal of the three-terminal voltage regulator tube 4 are grounded.
所述声控选择电路的个数为3个;其中每个声控选择电路之间并联。 The number of the voice-activated selection circuits is three; each voice-activated selection circuit is connected in parallel.
所述声控选择电路包括声控开关5、灯6、多路复用器7;其中声控开关5与灯6串联,灯6与多路复用器7相连,多路复用器7的公共端与外部控制器的ADC接口相连,多路复用器7的A0、A1、A2、A3端口和EN端分别与外部控制器的I/O端口相连。 Described voice-activated selection circuit comprises voice-activated switch 5, lamp 6, multiplexer 7; Wherein voice-activated switch 5 is connected in series with lamp 6, lamp 6 links to each other with multiplexer 7, and the common end of multiplexer 7 is connected with The ADC interface of the external controller is connected, and the ports A0, A1, A2, A3 and EN of the multiplexer 7 are respectively connected with the I/O ports of the external controller.
所述声控开关5、灯6的个数小于等于16个(即可取2-16中任意一个值,也可取端点值)。 The number of the voice-activated switches 5 and lamps 6 is less than or equal to 16 (that is, any value in 2-16, or an endpoint value).
所述灯6为多种不同的颜色。 The lamps 6 are of various colors.
所述多路复用器7的型号为ADG706。 The model of the multiplexer 7 is ADG706.
实施例3:如图1所示,一种声控式多路电灯选择电路,包括变压器1、整流桥堆2、电解电容3、三端稳压管4、声控选择电路;其中变压器1的初级线圈与电源连接,变压器1的次级线圈与整流桥堆2的输入端连接,整流桥堆2的输出端正极与电解电容3的正极连接,电解电容3的正极又与三端稳压管4的输入端连接,三端稳压管4的输出端与声控选择电路连接,整流桥堆1输出端负极、电解电容3的负极、三端稳压管4的接地端接地。 Embodiment 3: As shown in Figure 1, a voice-activated multi-channel lamp selection circuit includes a transformer 1, a rectifier bridge stack 2, an electrolytic capacitor 3, a three-terminal voltage regulator tube 4, and a voice-activated selection circuit; wherein the primary coil of the transformer 1 Connected to the power supply, the secondary coil of the transformer 1 is connected to the input terminal of the rectifier bridge stack 2, the positive pole of the output terminal of the rectifier bridge stack 2 is connected to the positive pole of the electrolytic capacitor 3, and the positive pole of the electrolytic capacitor 3 is connected to the three-terminal regulator tube 4 The input end is connected, the output end of the three-terminal voltage regulator tube 4 is connected to the voice control selection circuit, the negative pole of the output terminal of the rectifier bridge stack 1, the negative pole of the electrolytic capacitor 3, and the grounding terminal of the three-terminal voltage regulator tube 4 are grounded.
所述声控选择电路的个数为3个;其中每个声控选择电路之间并联。 The number of the voice-activated selection circuits is three; each voice-activated selection circuit is connected in parallel.
所述声控选择电路包括声控开关5、灯6、多路复用器7;其中声控开关5与灯6串联,灯6与多路复用器7相连,多路复用器7的公共端与外部控制器的ADC接口相连,多路复用器7的A0、A1、A2、A3端口和EN端分别与外部控制器的I/O端口相连。 Described voice-activated selection circuit comprises voice-activated switch 5, lamp 6, multiplexer 7; Wherein voice-activated switch 5 is connected in series with lamp 6, lamp 6 links to each other with multiplexer 7, and the common end of multiplexer 7 is connected with The ADC interface of the external controller is connected, and the ports A0, A1, A2, A3 and EN of the multiplexer 7 are respectively connected with the I/O ports of the external controller.
所述声控开关5、灯6的个数小于等于16个(即可取2-16中任意一个值,也可取端点值)。 The number of the voice-activated switches 5 and lamps 6 is less than or equal to 16 (that is, any value in 2-16, or an endpoint value).
所述灯6为多种不同的颜色。 The lamps 6 are of various colors.
上面结合附图对本实用新型的具体实施例作了详细说明,但是本实用新型并不限于上述实施例,在本领域普通技术人员所具备的知识范围内,还可以在不脱离本实用新型宗旨的前提下作出各种变化。 The specific embodiments of the utility model have been described in detail above in conjunction with the accompanying drawings, but the utility model is not limited to the above-mentioned embodiments. Various changes are made.
Claims (7)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201420595253.3U CN204206539U (en) | 2014-10-15 | 2014-10-15 | A sound-activated multi-channel lamp selection circuit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201420595253.3U CN204206539U (en) | 2014-10-15 | 2014-10-15 | A sound-activated multi-channel lamp selection circuit |
Publications (1)
Publication Number | Publication Date |
---|---|
CN204206539U true CN204206539U (en) | 2015-03-11 |
Family
ID=52664446
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201420595253.3U Expired - Fee Related CN204206539U (en) | 2014-10-15 | 2014-10-15 | A sound-activated multi-channel lamp selection circuit |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN204206539U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112015110A (en) * | 2019-05-28 | 2020-12-01 | 杭州瑞彼加医疗科技有限公司 | Control device of switch array |
-
2014
- 2014-10-15 CN CN201420595253.3U patent/CN204206539U/en not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112015110A (en) * | 2019-05-28 | 2020-12-01 | 杭州瑞彼加医疗科技有限公司 | Control device of switch array |
CN112015110B (en) * | 2019-05-28 | 2024-03-29 | 杭州瑞彼加医疗科技有限公司 | Control device of switch array |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
WO2012055324A1 (en) | Switch dimmable led lamp | |
CN203151833U (en) | LED control system based on human body sensing | |
CN206865798U (en) | A kind of LED linear constant-current circuit of automatic sensing ambient light | |
CN201462490U (en) | LED fluorescent lamp with double-path input | |
CN202425141U (en) | Sectional type dimming control for LED lamp | |
CN204206539U (en) | A sound-activated multi-channel lamp selection circuit | |
CN203162644U (en) | LED intelligent lighting device | |
CN107306465A (en) | Led drive circuit | |
CN201298940Y (en) | LED light fixture driving power supply | |
CN204465952U (en) | A LED lamp energy-saving circuit based on MSP430 | |
CN210807726U (en) | Control circuit of bidirectional LED Christmas lamp string | |
CN202750268U (en) | A LED fluorescent lamp circuit device without dismantling the electronic ballast | |
CN207560403U (en) | Dimmable color temperature switching circuit | |
CN202005045U (en) | Energy-saving LED street lamp for different-time illumination | |
CN207410568U (en) | A multi-protocol intelligent lighting control system | |
CN205657900U (en) | Lighting device | |
CN202759653U (en) | LED lamp using power supply switch on-off encoding for setting color | |
CN204131809U (en) | Constant-current LED drive integrated circult and LED illumination System | |
CN203896537U (en) | Lighting switch having time delay function | |
CN203313496U (en) | Novel seven-color night lamp device | |
CN204231706U (en) | A kind of segmentation color-changed LED light drive and control circuit | |
CN202918568U (en) | An energy-saving self-powered-off electric lamp control device | |
CN202634843U (en) | Control device of LED (Light-Emitting Diode) illumination lamp | |
CN204482104U (en) | A kind of backlight LED drive circuit | |
CN204131813U (en) | A kind of fluorescent lamp light adjusting circuit |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150311 Termination date: 20161015 |