CN2598801Y - Automatic varifocal car headlight - Google Patents
Automatic varifocal car headlight Download PDFInfo
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- CN2598801Y CN2598801Y CNU022885706U CN02288570U CN2598801Y CN 2598801 Y CN2598801 Y CN 2598801Y CN U022885706 U CNU022885706 U CN U022885706U CN 02288570 U CN02288570 U CN 02288570U CN 2598801 Y CN2598801 Y CN 2598801Y
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Abstract
The utility model relates to an automatic varifocal car headlight, which comprises a light-focusing cartridge, a light source and a drive light source arranged inside the light-focusing cartridge, a drive unit QDZ displacing inside the light-focusing cartridge, a light beam output deformation mechanism BXJG arranged at the light beam emitting outlet of the light-focusing cartridge and a control device KZ controlling the switching on/off of the BXJG, wherein, the light source is fixed at the front end of the drive body of the drive unit QDZ; the control device KZ is arranged outside the light beam emitting outlet of the light-focusing cartridge and has the output end connected with the light beam output deformation mechanism BXJG. With car headlight being arranged inside the light-focusing cartridge and being capable of moving backwards and forwards under the control of the drive unit, light beam emitted by light source becomes controllable focusing light beam after being focused by the light-focusing cartridge and irradiates in front of the car with adjustable irradiation breadth ranging from 10 degrees to 120 degrees; therefore, the focusing light beam only irradiates road surface in front of the car without influencing coming cars, thereby effectively reducing discomfort glare on driver and passenger caused by opposite car when two cars meet during running; meanwhile, the light beam output deformation mechanism added at the emitting outlet of the light-focusing cartridge can control the opening size and shape of the light beam emitting outlet under the action of the control unit so as to conveniently adjust intensity and deformation and effectively reduce divergence angle of the light beam.
Description
Technical field
The utility model relates to a kind of car headlamp of autozoom.
Background technology
Car headlamp is the main illuminating lamp of automobile night running.In order to improve the illuminating effect of automobile night running, guarantee traffic safety.The electronic control package that is used for car headlamp at present mainly contains, and automatic dimmer, the dim automatic illuminator of head lamp, the head lamp nature automatic suppressor of light intensity and head lamp are closed technical schemes such as automatic time delay device.The basic structure of such technical scheme is roughly similar, mostly is by the power of putting light or natural daylight before the photosensor collection, self exports the power of illumination by electronic control circuit control again.Such control setup only is that the power of self exporting illumination is controlled, and can not regulate and optically focused the light beam of output effectively.Thereby when two car intersections, very easily cause dazzling the eyes of driver.Particularly run at high speed or road that people's car is regardless of on because the stimulation of high light very easily causes traffic accident.
Summary of the invention
The purpose of this utility model is to provide the autozoom car headlamp of a kind of conveniently adjusted illumination range, optically focused.
The purpose of this utility model is achieved in that this autozoom car headlamp, and it comprises light collecting barrel, is located at light source in the light collecting barrel and driving light source produce displacement in light collecting barrel actuating device, is assemblied in the light beam output skew mechanism of light collecting barrel light beam exit wound of bullet and controls the control setup of this mechanism's folding, described light source is installed in the front end of the driving body of actuating device, the outside of control setup assembling and light collecting barrel light beam delivery port, the output termination light beam output skew mechanism of control setup.
The technological advance that the utility model is obtained: this device is assemblied in the head lamp of automobile in one light collecting barrel, and can under the control of actuating device, in light collecting barrel, produce and move forward and backward, thereby can make light beam that light source produces behind light collecting barrel optically focused a controlled convergent pencil of rays shine the place ahead in automobile, the irradiating width of its light beam is adjustable to 120 degree at 10 degree.Thereby this light beam only can be radiated at the road surface in self automotive operation the place ahead, and do not influence the vehicle of exercising in opposite directions, when having overcome the vehicle intersection effectively because the other side's vehicle light-illuminating causes the influence of dazzling the eyes to the driver and conductor.Delivery port at light collecting barrel has also installed light beam output skew mechanism additional simultaneously, this mechanism is under the effect of control setup, the folding size and the shape of may command light beam delivery port, thus the power of light beam output and the distortion of light beam can be adjusted easily, overcome the angle of divergence of light beam effectively.
Description of drawings
Fig. 1 is an integral structure scheme drawing of the present utility model.
Fig. 2 is the electrical schematic diagram of the utility model control device of light beam.
Fig. 3 is the electrical schematic diagram of manual, the automatic folding controller of the utility model dimmer.
Fig. 4 is the structural representation of the utility model dimmer.
Fig. 5 dials structural representation when putting 3 for the utility model toggle switch.
The specific embodiment
Be that embodiment further specifies the utility model below with the accompanying drawing.As shown in Figure 1, light collecting barrel 1 is a cylinder-like structure, its internal layer is a light-absorption layer, light source 2 is assemblied in the light collecting barrel 1, the light that light source 2 is produced is a cylindrical light beam through the light beam of light collecting barrel 1 output, it is square or rectangle structure that light collecting barrel 1 also can be made into the cross section, and the light beam of its output is side's flat light beam.Light source 2 is installed in the front end of the driving body of actuating device, 1 moving contact of light source 2 and light collecting barrel, and light source 2 can move reciprocatingly in light collecting barrel 1 under the effect of actuating device.A light beam output skew mechanism is assembled at light collecting barrel 1 light beam exit wound of bullet place, light beam output skew mechanism controls the alteration of form of light collecting barrel 1 light beam delivery port folding under the effect of a control mechanism, the outside of this control setup assembling and light collecting barrel 1 light beam delivery port, its output is connected to the drive end of light beam output skew mechanism.The concrete structure of its each several part and principle of work division are as follows:
Light source drive device is mainly used in the control light source and produces the front and back displacement in light collecting barrel 1.This light source driving device is made up of mechanical transmission mechanism and control device of light beam, mechanical transmission mechanism is made of with the drive motor M1 that is located at the slideway 4 on light collecting barrel 1 inwall and be installed on the light source 2 turn-screw 3 that is installed in the light collecting barrel 1, as shown in Figure 1, slideway 4 is a machicolated form structure along the extension of light collecting barrel 1 inwall, 4 in its light source 2 and slideway are by pulley 5 sliding block joints that are installed on the light source 2, and light source 2 can move reciprocatingly in light collecting barrel 1 along slideway 4.In order to make light source 2 stable moving along slideway 4 in light collecting barrel 1, present embodiment equidistantly is provided with three slideways 4 on the inwall of light collecting barrel 1.The drive electrode M1 that is installed on the light source 2 is connected with a joggle through a transmission gear and turn-screw 3.The type of drive that drive motor M1 and light source are 2 also can adopt the version of tooth bar.The forward or reverse of drive motor M1 is controlled by control device of light beam.Control device of light beam is made up of auto mat and manual mode controller, auto mat is by resistance R 1-R3, capacitor C 1, diode D1, mileage meter speed switch SA, photodiode GD1, relay J 1, J2, J5, J6, travel switch A1, A2, drive motor M1 and 555 time base circuit U1 form, as shown in Figure 2, mileage meter speed switch SA and photodiode GD1 parallel connection are after resistance R 2 is connected to the input end of 555 time base circuit U1, relay J 1 and the mouth that is connected in 555 time base circuit U1 after travel switch A1 connects again with diode D1, the normally closed contact J1-0 of relay J 1 and relay J 2, be connected to the two ends of power supply output after the travel switch A2 series connection, the normal opened contact J3-2 of relay J 3 and relay J 1, connect with relay J 5 after the J1-1 parallel connection and be connected to the two ends of power supply output again, the normal opened contact J4-2 of relay J 4 and relay J 2, connect with relay J 6 after the J2-1 parallel connection and be connected to the two ends of power supply output again, the normal opened contact J5-1 of relay J 5 is connected between the control end of power supply and motor M 1, and the normal opened contact J6-1 of relay J 6 is connected between the control end of power supply and motor M 1.During work, when the driving speed of a motor vehicle has strong illumination greater than 100KM/ hour or outside, mileage meter speed switch SA, photodiode GD1 connects or conducting, the signal of its collection inserts the input end of 555 time base circuit U1 through resistance R 2,2 pin of 555 time base circuit U1 are low level, 3 pin output high level, the relay J 1 that is connected to this output pin gets electric work, the normally closed contact J1-0 of relay J 1 opens, normal opened contact J1-1 closure, it is electric to make that relay J 5 gets, the normal opened contact J5-1 closure of relay J 5, be the positive pole of energized and the forward control end of drive motor M1, drive motor M1 gets electric forward rotation, though the rotating band nutating gear rotation also of drive motor M1, under the effect of transmission gear and driving rack 3, light source 2 produces displacement backward, makes the light beam focus point and the range of exposures of light source 2 irradiation outputs change.When light source 2 touches travel switch A1, make travel switch A1 open, relay J 1 dead electricity, normal opened contact J1-1 opens, relay J 5 dead electricity, the open contact J5-1 of relay J 5 opens, drive motor M1 stall.Otherwise, when the driving speed of a motor vehicle less than 100KM/ hour or exterior light when more weak, make that 2 pin of 555 time base circuits are high level, 3 pin output low levels, be connected to relay J 1 dead electricity of this output pin, the normal opened contact J1-1 of relay J 1 opens, normal opened contact J1-0 closure, make relay J 2 loops connect, relay J 2, the normal opened contact J2-1 closure of relay J 2 makes relay J 6 loops connect the normal opened contact J6-1 closure of relay J 6, be the positive pole of energized and the reverse control end of drive motor M1, drive motor M1 gets electric backward rotation, and the rotation of drive motor M1 drives light source 2 and produces displacement forward, makes the light beam focus point and the range of exposures of light source 2 irradiation outputs change.When light source 2 touches travel switch A2, make travel switch A2 open, relay J 2 dead electricity, normal opened contact J6-1 opens, drive motor M1 stall.
Described manual mode controller is by button switch AN1, AN2, relay J 3-J6, travel switch A3, A4, form with drive motor M1, as shown in Figure 2, after the normal opened contact J3-1 of relay J 3 and the button switch AN1 parallel connection with relay J 3, travel switch A3 series connection is connected to the two ends of power supply output again, after the normal opened contact J4-1 of relay J 4 and the button switch AN2 parallel connection with relay J 4, travel switch A4 series connection is connected to the two ends of power supply output again, the normal opened contact J3-2 of relay J 3 and the two ends that are connected to power supply output after relay J 5 is connected again, the normal opened contact J4-2 of relay J 4 and the two ends that are connected to power supply output after relay J 6 is connected again, the normal opened contact J5-1 of relay J 5 is connected between the control end of power supply and motor M 1, and the normal opened contact J6-1 of relay J 6 is connected between the control end of power supply and motor M 1.During use, automatic, hand switch in driving are allocated to manual position, and manual circuit is connected, and AN1 pushes button, the electricity work of relay J 3, the normal opened contact J3-1 of relay J 3 connects self-insurance, the normal opened contact J3-2 closure of relay J 3, and relay J 5 gets electronic work, the normal opened contact J5-1 of relay J 5 connects, be the positive pole of energized and the forward control end of drive motor M1, drive motor M1 gets electric forward rotation, the rotation of drive motor M1 drive light source 2 along light collecting barrel 1 to after contraction.When light source 2 touches travel switch A1, make travel switch A1 open, relay J 1 dead electricity, normal opened contact J1-1 opens, relay J 5 dead electricity, the normal opened contact J5-1 of relay J 5 disconnects, drive motor M1 stall.Thereby make light beam that light source 2 irradiates through only being radiated at a columned shape on the road surface of 200 meters of operation vehicle front after the focusing of light collecting barrel 1, the diameter of its cylindric light beam is a 4-6 rice, does not influence the operation of the vehicle that travels on the opposite.When needs normally use the car headlamp irradiation, AN2 pushes button, the electricity work of relay J 4, the closed self-insurance of the normal opened contact J4-1 of relay J 4, the normal opened contact J4-2 closure of relay J 4, relay J 6 gets electric work, the normal opened contact J6-1 closure of relay J 6, be the positive pole of energized and the reverse control end of drive motor M1, drive motor M1 gets electric backward rotation, and the rotation of drive motor M1 drives light source 2 and moves forward along light collecting barrel 1.When light source 2 touches travel switch A4, make travel switch A4 open, relay J 4 dead electricity, normal opened contact J4-2 opens, relay J 6 dead electricity, the normal opened contact J6-1 of relay J 6 disconnects, drive motor M1 stall.Thereby make light source 2 recover normal irradiation.
For the further focusing of control bundle output, the utility model has been equipped with a dimmer 6 that can make the light beam output skew at the light beam delivery port of light collecting barrel 1, this dimmer 6 is the shading hood configuration of folding about in the of, as shown in Figure 4, also can be louver (as shown in Figure 1) or camera shutter formula structure.This dimmer 6 is controlled its folding by the control setup of a control bundle output skew, said control setup comprises mechanical driving mechanism and folding controller, mechanical driving mechanism is made up of a drive motor M2 and change-gear set, drive motor M2 and change wheel 1 are connected with a joggle, change wheel 1 is connected with a joggle successively with shade driven wheel 2,3, and shade is installed in respectively on the driven wheel 2,3 up and down.During work, drive motor M2 drives change wheel 1 and rotates, and while change wheel 1 drive driven wheel 2,3 rotates, and promptly drives shade generation opening and closing movement up and down, and dimmer 6 is opened or closure.Night dimmer 6 open the shot shape and the beams focusing that can change output beam effectively.The protect glass of dirt bump light collecting barrel 1 front end when daytime, dimmer 6 closure can prevent automotive operation effectively.The folding of dimmer 6 is controlled by the folding controller, the folding controller comprises manual folding controller and automatic two kinds of modes of folding controller, described automatic folding controller is by by resistance R 4-R6, capacitor C 2, diode D2, photodiode 6D2, relay J 7-J10, travel switch A5, A6 and 555 time base circuit U2 form, as shown in Figure 3, described photodiode GD2 is connected to the input end of 555 time base circuit U2 through resistance R 5, relay J 7 and the mouth that is connected to 555 time base circuit U2 after diode D2 is in parallel again, the normally closed contact J7-1 of relay J 7 and the two ends that are connected to power supply output after relay J 8 is connected, the normal opened contact J7-2 of relay J 7 and relay J 9, be connected to the two ends of power supply output after the travel switch A5 series connection, the normal opened contact J8-1 of relay J 8 and relay J 10, be connected to the two ends of power supply output after the travel switch A6 series connection, the normal opened contact J9-1 of relay J 9 is connected between the control end of power supply and drive motor M2, and the normal opened contact J10-1 of relay J 10 is connected between the control end of power supply and drive motor M2.During work, when exterior strong illumination during to photodiode GD2, its photodiode GD2 internal resistance reduces, make that 2 pin of 555 time base circuits are low level, 3 pin output high level, the relay J 7 that is connected to this output pin gets electric work, the normally closed contact J7-1 of relay J 7 opens, normal opened contact J7-2 closure, it is electric to make that relay J 9 gets, the normal opened contact J9-1 closure of relay J 9, i.e. the forward control end of the positive pole of energized and drive motor M2, drive motor M2 gets electric forward rotation, and the rotation of drive motor M2 drives dimmer 7 and opens.When dimmer 7 touches travel switch A5, make travel switch A5 open, relay J 9 dead electricity, normal opened contact J9-1 opens, drive motor M2 stall.Thereby the light beam that makes light source 2 irradiate is radiated on the road surface of operation vehicle front after the delivery port of dimmer 7 focuses on.Otherwise, when exterior illumination is more weak, its photodiode GD2 internal resistance increases, make that 2 pin of 555 time base circuits are high level, 3 pin output low levels, be connected to relay J 7 dead electricity of this output pin, the normally closed contact J7-1 closure of relay J 7 makes relay J 8 loops connect, relay J 8, the normal opened contact J8-1 closure of relay J 8, make relay J 10 loops connect the normal opened contact J10-1 closure of relay J 10, the i.e. reverse control end of the positive pole of energized and drive motor M2, drive motor M2 gets electric backward rotation, and the rotation of drive motor M2 drives dimmer 6 closures.When dimmer 6 touches travel switch A6, make travel switch A6 open, relay J 10 dead electricity, normal opened contact J10-1 opens, drive motor M2 stall.
Manually the folding controller is by relay J 9, J10, travel switch A5, A6, diode D3-D7 and toggle switch KG form, as shown in Figure 3, relay J 9 is connected to the two ends that power supply is exported respectively again with travel switch A5 and toggle switch KG after diode D3-D7 connects, relay J 10 is connected to the two ends that power supply is exported respectively again with travel switch A6 and toggle switch KG after diode D3-D7 connects, drive motor M2 is connected through the armature contact of a change-gear set with toggle switch KG, the fixed contact 0-4 of toggle switch KG is through diode D3-D7 ground connection, relay J 9, the normal opened contact J9-1 of J10, J10-1 is connected between the control end of power supply and motor M 2, travel switch A5, A6 is assemblied in the two ends position of anti-dazzle device respectively.During use, earlier the head lamp main supply switch of automobile is opened, again the switch of control dimmer 6 foldings is pressed manual position, stir toggle switch KG, as being transformed into " 3 " when position from " 0 " position, as shown in Figure 5, the armature contact B2 of toggle switch KG and fixed contact 3 are connected, fixed contact 3 is through diode D7 ground connection, and the loop of relay J 9 is connected, and relay J 9 gets electric work, the normal opened contact J9-1 closure of relay J 9, the forward control end of the positive pole of energized and drive motor M2, drive motor M2 gets electric forward rotation, and the rotation of drive motor M2 drives dimmer 7 to opening the direction action.Driving armature contact through variable gear 1,2 when motor M 2 is rotated rotates, when making room between two armature contact B1, B2 move to fixed contact " 3 " position, promptly cut off being connected between fixed contact " 3 " and armature contact, relay J 9 dead electricity, the normal opened contact J9-1 of relay J 9 opens, drive motor M2 stall.When stirring toggle switch KG and rotate to other position, its principle of work is the same, no longer repeats.
In order to make driver's operation use the utility model convenient, control two groups of this device manually and automatic transfer switch all be located on the interior operation board of operator's compartment.After opening master lighting switch earlier during use, two groups of manual and automatic transfer switchs of this device are controlled in operation again, and the utility model can be realized the automatic or manual control operation to the light beam of car headlamp output.
Claims (8)
1, a kind of autozoom car headlamp, it is characterized in that it comprises light collecting barrel, is located at light source in the light collecting barrel and driving light source produce displacement in light collecting barrel actuating device QDZ, is assemblied in the light beam output skew BXJG of mechanism of light collecting barrel light beam exit wound of bullet and controls the control setup KZ of this mechanism's folding, described light source is installed in the front end of the driving body of actuating device QDZ, the outside of control setup KZ assembling and light collecting barrel light beam delivery port, the output termination light beam output skew BXJG of mechanism of control setup KZ.
2, autozoom car headlamp according to claim 1, it is characterized in that said light source drive device QDZ is made up of mechanical transmission mechanism and control device of light beam, mechanical transmission mechanism is made of with the drive motor M1 that is located at the slideway on the light collecting barrel inwall and be installed on the light source the driving rack or the leading screw that are installed on the light collecting barrel inwall, the output of control device of light beam connects the control end of drive motor M1 power supply, be installed in pulley and sliding interorbital sliding block joint on the light source, drive motor M1 is connected with a joggle through a transmission gear and driving rack or leading screw.
3, autozoom car headlamp according to claim 2, it is characterized in that said control device of light beam is made up of auto mat and manual mode controller, auto mat is by resistance R 1-R3, capacitor C 1, diode D1, mileage meter speed switch SA, photodiode GD1, relay J 1, J2, J5, J6, travel switch A1, A2, drive motor M1 and 555 time base circuit U1 form, mileage meter speed switch SA also connects after resistance R 2 is connected the input end of 555 time base circuit U1 with photodiode GD1, relay J 1 and the mouth that is connected in 555 time base circuit U1 after travel switch A1 connects again with diode D1, the normally closed contact J1-0 of relay J 1 and relay J 2, be connected to the two ends of power supply output after the travel switch A2 series connection, the normal opened contact J3-2 of relay J 3 and relay J 1, connect with relay J 5 after the J1-1 parallel connection and be connected to the two ends of power supply output again, the normal opened contact J4-2 of relay J 4 and relay J 2, connect with relay J 6 after the J2-1 parallel connection and be connected to the two ends of power supply output again, the normal opened contact J5-1 of relay J 5 is connected between the control end of power supply and motor M 1, and the normal opened contact J-1 of relay J 6 is connected between the control end of power supply and motor M 1.
4, autozoom car headlamp according to claim 3, it is characterized in that said manual mode controller is by button switch AN1, AN2, relay J 3-J6, travel switch A3, A4, form with drive motor M1, after the normal opened contact J3-1 of relay J 3 and the button switch AN1 parallel connection with relay J 3, travel switch A3 series connection is connected to the two ends of power supply output again, after the normal opened contact J4-1 of relay J 4 and the button switch AN2 parallel connection with relay J 4, travel switch A4 series connection is connected to the two ends of power supply output again, the normal opened contact J3-2 of relay J 3 and the two ends that are connected to power supply output after relay J 5 is connected again, the normal opened contact J4-2 of relay J 4 and the two ends that are connected to power supply output after relay J 6 is connected again, the normal opened contact J5-1 of relay J 5 is connected between the control end of power supply and motor M 1, and the normal opened contact J6-1 of relay J 6 is connected between the control end of power supply and motor M 1.
5, autozoom car headlamp according to claim 1 is characterized in that the said light beam output skew BXJG of mechanism is that one board-like, folding is stretched the dimmer of one of curtain, louver or camera shutter formula structure.
6, autozoom car headlamp according to claim 5, the control setup KZ that it is characterized in that said control bundle output skew comprises mechanical driving mechanism and the controller of controlling the dimmer folding, described mechanical driving mechanism is by a drive motor M2, variable gear 1 and drive spindle, drive motor M2 is connected with drive spindle through variable gear 1, on drive spindle assembling and the dimmer, the output of folding controller connects the control end of drive motor M2.
7, autozoom car headlamp according to claim 8, the folding controller that it is characterized in that said control dimmer comprises manual folding controller and automatic folding controller, described automatic folding controller is by resistance R 4-R6, capacitor C 2, diode D2, photodiode GD2, relay J 7-J10, travel switch A5, A6 and 555 time base circuit U2 form, described photodiode GD2 is connected to the input end of 555 time base circuit U2 through resistance R 5, relay J 7 and the mouth that is connected to 555 time base circuit U2 after diode D2 is in parallel again, the normally closed contact J7-1 of relay J 7 and the two ends that are connected to power supply output after relay J 8 is connected, the normal opened contact J7-2 of relay J 7 and relay J 9, be connected to the two ends of power supply output after the travel switch A5 series connection, the normal opened contact J8-1 of relay J 8 and relay J 10, be connected to the two ends of power supply output after the travel switch A6 series connection, the normal opened contact J9-1 of relay J 9 is connected between the control end of power supply and drive motor M2, and the normal opened contact J10-1 of relay J 10 is connected between the control end of power supply and drive motor M2.
8, autozoom car headlamp according to claim 1, it is characterized in that said manual folding controller is by relay J 9, J10, travel switch A5, A6, diode D3-D7 and toggle switch KG form, relay J 9 is connected to the two ends that power supply is exported respectively again with travel switch A5 and toggle switch KG after diode D3-D7 connects, relay J 10 is connected to the two ends that power supply is exported respectively again with travel switch A6 and toggle switch KG after diode D3-D7 connects, drive motor M2 is connected through the armature contact of a change-gear set with toggle switch KG, the fixed contact 0-4 of toggle switch KG is through diode D3-D7 ground connection, relay J 9, the normal opened contact J9-1 of J10, J10-1 is connected between the control end of power supply and motor M 2, travel switch A5, A6 is assemblied in the two ends position of anti-dazzle device respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU022885706U CN2598801Y (en) | 2002-11-22 | 2002-11-22 | Automatic varifocal car headlight |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU022885706U CN2598801Y (en) | 2002-11-22 | 2002-11-22 | Automatic varifocal car headlight |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2598801Y true CN2598801Y (en) | 2004-01-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU022885706U Expired - Fee Related CN2598801Y (en) | 2002-11-22 | 2002-11-22 | Automatic varifocal car headlight |
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| CN (1) | CN2598801Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101469839B (en) * | 2007-12-24 | 2012-09-05 | 上海小糸车灯有限公司 | Light modulation executor for automobile headlamp |
-
2002
- 2002-11-22 CN CNU022885706U patent/CN2598801Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101469839B (en) * | 2007-12-24 | 2012-09-05 | 上海小糸车灯有限公司 | Light modulation executor for automobile headlamp |
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| CF01 | Termination of patent right due to non-payment of annual fee |