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609results about How to "Improve waterproof and dustproof performance" patented technology
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Cover for portable device
InactiveUS7647082B2Easy to operateImprove stabilityDigital data processing detailsOther accessoriesBiomedical engineering
Owner:SONY CORP
Dustproof and waterproof multipurpose LED-light power source assembly and dustproof and waterproof LED light
InactiveUS20140307441A1Improve insulation performanceImprove flame resistancePlanar light sourcesPoint-like light sourceEngineeringLED lamp
A dustproof and waterproof multipurpose LED-light power source assembly comprises a heat sink, a heat-dispersal fan, a circuit board driver module, an LED light source module, a power-source casing top cover and a power-source casing bottom cover. The LED light source module comprises plural LED chips and an LED heat-dispersing substrate. The heat-dispersal fan is a dustproof and waterproof fan. The heat sink comprises a baseboard to which the LED heat-dispersing substrate is fixedly connected and conducts dispersed heat. At the center of the top of a heat-dispersal member, a space is provided to accommodate the heat-dispersal fan. The power-source casing bottom cover is positioned above the heat-dispersal fan and is fixedly connected to the heat sink. The power-source casing top cover and the power-source casing bottom cover are hermetically connected one to the other. A waterproof bolt assembly is connected to the top of the power-source casing top cover.
Owner:NANKER GUANGZHOU SEMICON MFG
Housing case for electronic circuit board
InactiveUS20100103632A1Simple structureImprove waterproof and dustproof performanceCasings with connectors and PCBRack/frame constructionEngineeringMechanical engineering
In a housing case for housing an electronic circuit board, comprising a case body, a cover, a pedestal formed on the case body to support the board, a holder formed on the cover at a location to face the pedestal to hold the board from opposite side of the pedestal, a recess formed at the case body near the pedestal, and a convex formed on the cover at a position corresponding to the recess, it is configured such that the convex is inserted in and adhered to the recess to attach the cover to the case body. With this, it becomes possible to change the amount of adhesive member in accordance with the environment, etc., with the simple structure.
Owner:KEIHIN CORP
Sports Hi-Fi touch-control Bluetooth earphone
ActiveUS10154334B1Ingenious designReasonable structureMicrophonesHeadphones for stereophonic communicationBand-pass filterTouchpad
A sports Hi-Fi touch-control Bluetooth earphone includes a neckband, a first case and a second case connected to both ends of the neckband, an earplug set on each of the first and second cases, a Bluetooth main circuit board, a battery, a main microphone, an auxiliary microphone, and a capacitive touchpad. The main microphone and the auxiliary microphone simultaneously receive audio signals. The differential amplifier of the Bluetooth main circuit board computes the signal difference between the main microphone and the auxiliary microphone. The signal difference is further processed by a band-pass filter to pass only the human voice frequency band, with low and high frequency signals filtered out. The human voices are amplified to produce clear conversations, enhancing conversation quality and avoiding unclear signals. Mechanical keys on conventional Bluetooth earphones are replaced by the capacitive touchpad, making operations easy, convenient, waterproof, and dustproof to extend the lifetime thereof.
Owner:KINGSTATE ELECTRONICS DONGGUAN CO LTD
Light emitting diode (LED) assembled screen
ActiveCN102163392AIncrease structural flexibilityEasy to installIdentification meansElectrical apparatus casings/cabinets/drawersLED displayComputer module
The invention discloses a light emitting diode (LED) assembled screen. The LED assembled screen comprises a control box, a framework and at least two LED display modules, wherein the control box at least comprises two independent paths of output interfaces; each output interface is connected with one LED display module; the at least two LED display modules are assembled and fixed on the framework; each of the LED display modules comprises a box body, a circuit board, a pouring sealant, a driving chip, an input interface and a plurality of LED chips; the driving chip and the plurality of are arranged on the circuit board; the driving chip is connected with the LED chips and the input interface respectively; the input interface is formed on the box body and connected with the corresponding output interface of the control box; the box body has a flat structure, and one face of the box body is provided with an opening; the circuit board is arranged in the box body; the pouring sealant is covered on the circuit board so as to seal the opening face of the box body; and the LED chips are arranged on one side, corresponding to the opening face of the box body, of the circuit board. Due tothe LED assembled screen, the assembling flexibility of an LED display screen is improved, and the LED assembled screen is convenient to install and maintain.
Owner:LEDMAN OPTOELECTRONICS
Mobile device protecting structure
InactiveUS9256252B2Improve waterproof and dustproof performanceDigital data processing detailsPackagingEngineeringMobile device
A mobile device protecting structure includes a first frame having a first frame portion and a first guard plate, a second frame having a second frame portion and a fixing edge, and the second frame portion encircling the first frame portion, and a packing element disposed in the second frame portion and inserted into a packing slot formed at the exterior of the first frame portion, and a waterproof ring installed between the first and second frames and having an internal periphery. A mobile device is covered by the first and second frames, and a second guard plate is selectively packed between the internal periphery and the fixing edge or packed between the internal periphery and the mobile device depending on the thickness of the mobile device.
Owner:GETAC TECH CORP
Key switch and electronic device
InactiveUS7126072B2Improve waterproof and dustproof performanceContact surface shape/structureElectronic switchingHall elementEngineering
Owner:POLYMATECH CO LTD
Housing case for electronic circuit board
InactiveUS8305763B2Simple structureImprove waterproof and dustproof performanceCasings with connectors and PCBRack/frame constructionEngineeringElectronic board
In a housing case for housing an electronic circuit board, comprising a case body, a cover, a pedestal formed on the case body to support the board, a holder formed on the cover at a location to face the pedestal to hold the board from opposite side of the pedestal, a recess formed at the case body near the pedestal, and a convex formed on the cover at a position corresponding to the recess, it is configured such that the convex is inserted in and adhered to the recess to attach the cover to the case body. With this, it becomes possible to change the amount of adhesive member in accordance with the environment, etc., with the simple structure.
Owner:KEIHIN CORP
Unlocking device and method for mobile terminal equipment
InactiveCN102566911AImprove experienceEasy to implementInput/output processes for data processingComputer moduleTerminal equipment
The invention relates to an unlocking device and an unlocking method for mobile terminal equipment. The unlocking device comprises a sensor module, a micro processor and a screen unlocking function module, wherein the screen unlocking function module judges whether to unlock a screen according to a holding posture of a user; and the sensor module comprises at least two sensing substrates which are arranged on at least two surfaces of the mobile terminal equipment. The device is low in false triggering probability, is convenient to use, and can greatly improve the experience of the user.
Owner:GUANGDONG BUBUGAO ELECTRONICS IND
Plastic shell motor
ActiveCN101895167AGood structural sealingImprove sealingAssociation with control/drive circuitsSupports/enclosures/casingsBrushless motorsThree-phase
The invention discloses a plastic shell motor, which comprises a stator assembly (1), a rotor assembly (2), a control circuit board (3), bearings (4), a rotating shaft (5), a front end cover (6) and a rear end cover (7), wherein the front end cover (6) and the rear end cover (7) are assembled together to form a plurality of accommodating cavities; a bearing cavity (61) is formed at the top of the front end cover (6); a stator accommodating cavity (62) is formed below the bearing cavity (61) of the front end cover (6); a circuit board accommodating cavity (72) is formed below the stator accommodating cavity (62) and inside the rear end cover (7); a bearing cavity (71) is formed below the circuit board accommodating cavity (72) and at the bottom of the rear end cover (7); the bearings (4) are arranged inside the bearing cavities (61, 71); the stator assembly (1) is nested inside the stator accommodating cavity (62); and the control circuit board (3) is arranged inside the circuit board accommodating cavity (72). The plastic shell motor has the advantages of good reclaimable property, environmental protection, strong universality, convenient and reliable assembly and the like, and is suitable for a single-phase brushless motor and a three-phase brushless motor.
Owner:ZHONGSHAN BROAD OCEAN
Micro USB (universal serial bus) receptacle
InactiveCN103401087ASave materialSimple production processCoupling contact membersCouplings bases/casesCopper foilEngineering
The invention relates to a Micro USB (universal serial bus) receptacle, which comprises a PCB (printed circuit board) and an outer casing. The receptacle is characterized in that a convex block extends outwards from the side edge of the PCB, the surface of the convex block is provided with a copper coil which is connected with a PCB circuit, the interior of the outer casing is provided with a through hole, the convex block is inserted into the through hole of the outer casing to form a connecting core of the USB receptacle, and the bottom of the convex block is provided with a sealing piece which is used for sealing the opening of the through hole. The micro USB receptacle has the beneficial effects that 1. the PCB is provided with a matrix, so the material is saved, the production process is simplified, and the production cost is reduced; 2. the outer casing adopts a plastic outer casing, so the interference effect on antennas by hardware is improved, and the manufacturing cost is reduced; 3. a sealant is adopted for sealing the opening of the outer casing, so the waterproof and dustproof functions are favorably realized; 4. as the outer casing is made of plastic material, the matching degree is higher when the outer casing is assembled on an object or is arranged in a mounting hole, the gap is smaller, and the dustproof purpose is favorably realized.
Owner:ZHONGSHAN K MATE GENERAL ELECTRONICS
Power tool
ActiveUS20110083868A1Excellent dustproof propertyExcellent waterproof propertyDrilling rodsConstructionsEngineeringPower tool
In a power tool, a housing is composed of two divisional housings to be combined together; two receptacle blocks are provided on inner surfaces of the two divisional housings, respectively, and configured to protrude opposite to each other from the inner surfaces of the two divisional housings to surround an electric component and to hold the electric component in place when the two divisional housings are combined together into the housing; and a seal layer of an elastic material is formed integrally with one or each of the two receptacle blocks. The seal layer formed on a first receptacle block is pressed against a second receptacle block or another seal layer formed on the second receptacle block to provide sealing between opposed surfaces of the two receptacle blocks when the two divisional housings are combined together.
Owner:MAKITA CORP
Key switch and electronic device
InactiveUS20060042921A1Improve dust resistanceImprove waterproof performanceContact surface shape/structureElectronic switchingHall elementEngineering
A jog dial switch, which functions as a key switch, includes a key sheet, a rotatable key top arranged on the key sheet, and a movement amount detector for detecting movement amount of the key top. The movement amount detector includes four permanent magnets arranged on the key top, three Hall elements, and an electric circuit for processing signals output from the Hall elements. The Hall elements and the electric circuit are arranged below the key sheet. The key sheet is formed by a water resistant material and covers the electric circuit.
Owner:POLYMATECH CO LTD
Cable assembly, connector, and method for manufacturing cable assembly
ActiveUS20170110838A1Reduce loadImprove dust resistanceCoaxial cables/analogue cablesContact member manufacturingElectrical conductorEngineering
A cable assembly including a cable, a metal clamp, and a tuboid metal case. The cable includes a outer insulator and a outer conductor thereinside. The outer conductor includes a protruding portion protruding to one side in the first direction from an end portion of the outer insulator on the one side in the first direction. The clamp holds the protruding portion and includes an end portion on the other side in the first direction. The metal case includes a swaged portion, which houses at least the end portion of the outer insulator and the end portion of the clamp. Swaged from outside, the swaged portion is in pressure contact with and fixed to at least the end portion of the outer insulator and the end portion of the clamp so that the end portion of the outer insulator is elastically deformed and the end portion of the clamp is plastically deformed.
Owner:HOSIDEN CORP
Cover for portable device
InactiveUS20080041896A1Easy to operateImprove stabilityTravelling carriersHoldersBiomedical engineering
The invention relates to a cover for a portable device (10) comprising: a main body (2) with resilient parts, an opening (3) provided in a resilient part (8) for insertion and removal of the portable device (10); and a releasable cap (1) shaped and configured to close the opening (3) and fit over at least a part of the resilient part (8) surrounding the opening (3).
Owner:SONY CORP
New energy battery explosion-proof valve
The invention discloses a new energy battery explosion-proof valve, which comprises a main valve body, a seal ring, a piece of explosion-proof membrane paper, a membrane paper protection plate and a protective cover, wherein a membrane paper mounting platform is arranged at one side of the main valve body; the explosion-proof membrane paper is welded on the membrane paper mounting platform in a hot melting manner; an annular bump is arranged on the outer circumference of the membrane paper mounting platform; the membrane paper protection plate is arranged in the annular bump; a protective bottom plate is arranged at the lower part of the membrane paper mounting platform; the protective bottom plate is provided with an explosion-proof pointed cone toward the explosion-proof membrane paper; the protective cover is arranged out of the protective bottom plate; the seal ring is arranged between the outer surface of the annular bump and the main valve body; the main valve body is movably connected with a battery shell through the annular bump; and the main valve body and a battery shell are sealed through the seal ring. The new energy battery explosion-proof valve has the advantages of being simple in structure, low in cost, dustproof, waterproof, explosion-proof and breathable, and can balance internal pressure and external pressure of a sealed accommodating cavity of a battery.
Owner:惠州市沃瑞科技有限公司
Mobile terminal waterproof structure and mobile terminal
ActiveCN105357346AImprove waterproof and dustproof performanceEasy to assembleHermetically-sealed casingsTelephone set constructionsComputer terminalCard holder
The invention discloses a mobile terminal waterproof structure and a mobile terminal. The mobile terminal waterproof structure comprises a card-taking pin hole arranged on a mobile terminal shell, a sealing plug is arranged in the card-taking pin hole, one end of the sealing plug is contacted with a card-taking pin, the other end of the sealing plug is contacted with a card seat pull rod, and a card holder is popped out of the mobile terminal shell by the card seat pull rod. According to the mobile terminal waterproof structure, the mobile terminal shell is provided with the card-taking pin hole, the sealing plug is arranged in the card-taking pin hole, one end of the sealing plug is contacted with the card-taking pin, the other end of the sealing plug is contacted with the card seat pull rod, and the card holder is popped out of the mobile terminal shell by the card seat pull rod; the sealing plug is arranged in the card-taking pin hole so that the card-taking pin hole is effectively sealed, the waterproof and dustproof abilities of the mobile terminal are improved, and cards such as SIM cards or SD cards in the mobile terminal can be prevented from corrosion; and the mobile terminal waterproof structure is also advantaged by simple assembling and low cost.
Owner:GUANGDONG OPPO MOBILE TELECOMM CORP LTD
Improved high power LED road lamp
InactiveCN101373043AImprove security levelIncrease the projected areaPoint-like light sourceElectric circuit arrangementsEngineeringElectrical and Electronics engineering
The invention provides an improved high power LED streetlight with larger irradiated area and more hermetical sealing. The streetlight comprises a light source module, namely an upper casing body module, a light distribution module, namely a lower casing body module, and a casing body opening and closing module, wherein, the light source module is composed of a driving power source, a high power LED and an upper casing body, and the high power LED is installed on the upper casing body and connected with the driving power source; the light distribution module is composed of a reflection shade, a glass shade, a seal ring with a glass shade and a lower casing body, and the glass shade with the glass shade and the reflection shade are arranged on the lower casing body in sequence; the casing body opening and closing module is composed of a locking piece and a supporting piece, the locking piece connects two ends of the upper and the lower shell bodies as a whole and ensures the upper casing body rotate around a shaft, and the supporting module is connected with the other two ends of the upper and the lower shell bodies and ensures the upper and the lower shell bodies are closed or opened; and when the upper and the lower shell bodies are closed, the high power LED on the upper casing body is positioned at the middle part of the reflection shade which is on the lower casing body. The streetlight is mainly used for lighting a street.
Owner:SHENZHEN KENA IND
Sports touch-control bluetooth earphone
A small sports touch-control Bluetooth earphone includes a neckband, cases, earplug sets and a Bluetooth touch-control device. The Bluetooth touch-control device includes an MCU, a Bluetooth IC module, a touch-control IC module, a receiver module and a capacitive touchpad. The mechanical keys on the traditional Bluetooth earphone are replaced by the capacitive touchpad. The user can control by touching the case with fingers, thereby performing various functions in a convenient way. The capacitive touchpad is disposed inside the case, forming a sealed structure. The sealing effect is sufficiently good to effectively separate external liquids and objects, thereby achieving waterproof and dustproof effects.
Owner:KINGSTATE ELECTRONICS DONGGUAN CO LTD
Automatic speed changing method and device for hybrid power bicycle
ActiveCN105172993AReduce judgment and operationDustproof and waterproof effect is goodCycle actuatorsElectric machineryReal time acquisition
The invention is applicable to the technical field of automatic speed change and provides an automatic speed changing method and device for a hybrid power bicycle. The method comprises the following steps that a, a sensor set acquires a current riding state signal in real time and transmits the signal to a microprogrammed control unit (MCU); b, the MCU outputs a control signal to a motor controller according to the current riding state signal; and c, the motor controller controls a motor to output the corresponding assisting speed and assisting gear according to the control signal. According to the automatic speed changing method and device for the hybrid power bicycle, a traditional mechanical gear set type speed change device is abandoned, the MCU performs judging and analysis according to the current riding state signal transmitted by the sensor, and the motor is directly controlled to output the corresponding assisting speed, and accordingly automatic speed change and automatic gear adjusting of the hybrid power bicycle are achieved, and unnecessary judgment and operations of a rider are reduced.
Owner:SHENZHEN HOMETECH TECH CO LTD
Waterproof apparatus for outdoor lighting with electronic device sealed in cavity of an aluminum extrusion
ActiveUS8794802B2Low costImprove waterproof and dustproof performanceNon-electric lightingMechanical apparatusEngineeringAluminum extrusion
Owner:DELTA ELECTRONICS INC
Computer case capable of rapidly dissipating heat
ActiveCN110007724AImprove stabilityImprove cooling effectDigital processing power distributionEnergy efficient computingComputer engineeringComputer case
The invention relates to the field of computers, and specifically relates to a computer case capable of rapidly dissipating heat. The computer case comprises a case, an air outlet is formed on the topof the case, and a waterproof plate for shielding the air outlet is also arranged on the top of the case. An air outlet screen plate is connected to the outer ring of the waterproof plate, an air draft shaking heat dissipation assembly is installed at the top in the machine box, a filtering cavity is formed in the bottom of the machine box, a filtering net is arranged in the filtering cavity, anannular cooling cavity is formed in the outer side of the filtering cavity, and a plurality of lateral air inlet pipes are further arranged in the cooling cavity in the circumferential direction. According to the computer case, heat in the case can be rapidly conducted out, the waterproof and dustproof effects are good, and durable and stable operation of a computer is guaranteed.
Owner:LAIWU VOCATIONAL & TECHNICAL COLLEGE
Endoscope apparatus
InactiveUS20080086030A1Shorten speedImprove waterproof and dustproof performanceSurgeryEndoscopesEndoscopy deviceElectrical and Electronics engineering
Owner:FUJIFILM CORP
A household electrical connection system
ActiveCN104901099BReduce distancePrecise positioningCoupling device detailsTwo-part coupling devicesState of artExtensibility
Owner:南通浦舆电子科技有限公司
Multi-bit integrated photovoltaic solar energy junction box
InactiveCN101741036AEasy to install and disassembleImprove versatilityClimate change adaptationPhotovoltaicsPhotovoltaic solar energyMoisture
The invention relates to a multi-bit integrated photovoltaic solar energy junction box which comprises a junction box body, a cable (8) connected outside of the junction box body and a cable connector (9), wherein the junction box body comprises an upper cover (1) and a base (2). A base guide rail which is connected with an inner liner (3) is fixed in the base (2). The inner liner (3) is provided with a plurality of parallel wire holder assemblies (4) inside. A diode (5) is blocked between two adjacent wire holder assemblies (4). A plurality of parallel solar energy battery pack converging areas (10) are arranged in the base (2) outside of the inner liner (3). A plurality of wire holder assemblies rotating outlets are arranged at the position of the wire holder assemblies on the edge of the inner liner (3). Two cable outlets are arranged on edge of the base (2). The wire holder assemblies (4) are connected with one end of the cable (8). The middle of the cable (8) passes through the cable outlet corresponding to the edge of the base (2) and the other end thereof is connected with the cable connector (9). The product of the invention has excellent compatibility, obvious radiating effect, fine water-proof, moisture-proof and dust-proof properties, and convenient assembly and disassembly for the upper cover and the base.
Owner:JIANGYIN AKCOME SCI & TECH
Electric vehicle power battery box with efficient thermal dissipation
InactiveCN105742540ASmall temperature differenceImprove waterproof and dustproof performanceSecondary cellsCell component detailsPower batteryElectrical battery
The invention discloses an electric vehicle power battery box with efficient thermal dissipation. The electric vehicle power battery box comprises a battery box body, wherein multiple side-by-side grids used for placing single batteries are arranged in the battery box body; the grids and the single batteries form power battery modules; the grids are machined and shaped by thermal conducting aluminum sheets; preferably, the power battery modules are mounted in two layers in the battery box; the lower layer power battery module is mounted on the bottom plate of the battery box; the bottom surface of the upper layer power battery module and a thermal conducting apparatus are sealed; and a thermal conducting channel between the bottom surfaces of the power battery modules and the battery box is established through the thermal conducting apparatus. According to the electric vehicle power battery box provided by the invention, the single batteries are placed in the side-by-side grids; the thermal environments of each single battery are same; and therefore, the temperature differences of the single batteries in the battery box is reduced, and high thermal dissipation efficiency is achieved.
Owner:HIGER
Plastic shell structure and preparation method thereof
InactiveCN109659667ARealize waterproof, dustproof and dropproofStable and durableAntenna supports/mountingsRadiating elements structural formsOptical coatingEngineering
The invention discloses a plastic shell structure. The plastic shell structure comprises a plastic shell and a PET composite decorative film attached to the inner side surface of the plastic shell. The PET composite decorative film comprises a PET substrate, and the PET substrate comprises a fitting surface and a decoration surface. The decoration surface of the PET substrate is provided with an ink printing layer, a UV grain layer and an optical coating layer in sequence; the optical coating layer of the PET composite decorative film is provided with an LDS antenna. The invention also discloses a manufacturing method of a plastic shell structure. The large-area waterproof and dustproof antenna manufactured in the plastic shell solves the industrial problems that the surface of the fragmented and dispersive electronic component assembly structures in a traditional 3C electronic product plastic shell has no enough space to design a 5G signal antenna, and when the antenna is made at thesurface of the plastic shell, the product appearance decoration effect is influenced, the antenna is easy to be damaged to cause whole damaging of the product and difficult to maintain. The plastic shell structure has glass or ceramic appearance effects, is light and fashion and novel in appearance, and is anti-fall and waterproof.
Owner:GUANGZHOU HUAXIA VOCATIONAL COLLEGE
Multifunctional integrated automobile front door lock
ActiveCN103306553ASolve the problem that the transmission signal is unstable and affects the user's useWith electric door opening functionBuilding locksHigh transmissionOpening - action
The invention discloses a multifunctional integrated automobile front door lock, and can effectively solve the problem in a split automobile front door lock that unstable transmission signal affects using of a user. The multifunctional integrated automobile front door lock not only has the advantages of integrated automobile front door lock such as impact structure, good anti-dust and anti-water properties, and high transmission efficiency, but also has electrically opening automobile door function, child's insurance opening and relieving signal feedback function, signal feedback functions for inner and outer opening actions, signal feedback function during electrically opening automobile door action, signal feedback function in case the automobile door is not at complete locking position, and locking and unlocking signal feedback functions, so that the user can accurately and timely be informed of the realization process of each function; and the signal feedback functions are realized through arranging corresponding microswitches.
Owner:江苏皓月汽车科技有限公司
Compass array display device
InactiveCN101882404AFacilitate modular productionEffective waterproof and dustproofAdvertisingDisplay meansDisplay deviceControl circuit
The invention provides a compass array display device capable of facilitating production and assembly, displaying on double sides and preventing water and dust witch rich color. The invention adopts the technical scheme that: an electromagnet and a control circuit are arranged in a hollow box formed by connecting a main support plate, a secondary support plate and a rim; the electromagnet and the control circuit are covered by using a filler; positioning fasteners are arranged on the front of the main support plate and the back of the secondary support plate; a compass is fixed in a compass frame; a transparent panel is arranged on the outer lateral surface of the compass frame; multi-color bodies arranged in an array can be wrapped by using an integral transparent shell; a magnet arranged on the main support plate realizes connection of the secondary support plate or a support frame made of steel; and a plurality of compass display unit arrays consisting of 2 to 5 compasses and the electromagnet are arranged on the main support plate, and the surface colors of the multi-color bodies in the compasses comprise cyan, magenta, yellow and white.
Owner:张清华
Three-color key injection molding technology
InactiveCN107139390AImprove yield rateIncrease productivityDomestic articlesCoatingsKey pressingLight guide
The invention relates to a three-color key injection molding technology. The technology comprises the steps in sequence of S1, opening a mold for the first time; S2, installing the mold; S3, closing the mold for the first time; S4, carrying out first color injection molding; S5, opening the mold and closing the mold for the second time; S6, carrying out second color and third color injection molding; S7, carrying out discharging; S8, carrying out subsequent processing; S9, carrying out paint spraying and laser engraving; and S10, installing a light guide body. The three-color key injection molding technology has the advantages that the yield is high, the production efficiency is high, a second color and a third color of a product are well fused, the waterproof and dustproof effects are good, the appearance is attractive, and the using effect is excellent.
Owner:WENZHOU CHANGJIANG AUTOMOBILE ELECTRONICS SYST
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