Patents
Literature
Hiro is an intelligent assistant for R&D personnel, combined with Patent DNA, to facilitate innovative research.
Hiro

35results about How to "With automatic adjustment" patented technology

Control method of atomization device control system

The invention provides a control method of an atomization device control system. The control method of the atomization device control system comprises the following steps: recognizing whether an atomizer is matched with a mainboard or not, if the atomizer is not matched with the mainboard, determining that the atomizer is not matched with the mainboard, and then completing recognition; if the atomizer is matched with the mainboard, entering next step; step two, if the atomizer is matched with the mainboard, sending out a command by the mainboard to detect the type of electronic tobacco tar ina tobacco tar bin and the shelf life of the electronic tobacco tar, if the shelf life of the electronic tobacco tar exceeds expiration date, reporting that the electronic tobacco tar has expired, andforbidding the atomizer to atomize the tobacco tar; if the shelf life of the electronic tobacco tar is in the expiration date, entering next step; and step three, adjusting the working mode of the atomizer by the mainboard according to the detected type of the electronic tobacco tar and the storage time T of the electronic tobacco tar so that the atomizer is matched with the current electronic tobacco tar during working. The system can be adjusted automatically, the electronic tobacco tar tastes good, health of human bodies is ensured effectively, invasion of external risks is avoided, and theatomization device control system conforms to human design concepts.
Owner:INNOKIN TECH

Method for adjusting transmission channel time delay of satellite navigation digital multi-beam system

The invention discloses a method for adjusting the transmission channel time delay of a satellite navigation digital multi-beam system. The method comprises the following steps: measuring a transmission channel time delay value; calculating a time delay error; judging whether adjustment is needed according to the time delay error; if adjustment is finished or not needed, preparing for time delay adjustment of the next channel; otherwise, calculating the time delay adjustment amount according to the time delay error; performing coarse adjustment of the time delay; and performing fine adjustment of the time delay and preparing for time delay adjustment of the next channel. High-precision adjustment of a pseudo code clock and a second synchronization pulse is realized by controlling the phase control word of the internal DDS of a transmission terminal so as to quickly and accurately adjust the transmission channel time delay of the multi-beam system, and automatic adjustment of the time delay of multiple transmission channels can be realized under software control.
Owner:NO 54 INST OF CHINA ELECTRONICS SCI & TECH GRP

Automobile trip computer system based on fingerprint identity recognition

The invention relates to an automobile trip computer system based on fingerprint identity recognition. The automobile trip computer system comprises a seat and a cloud server. The cloud server is wirelessly connected with a GPRS module and a GPS module. The GPRS module and the GPS module are both connected with a trip computer which is connected with a local data memorizer, an oil volume sensor, a temperature and humidity sensor, a multimedia entertainment module, a helmet controller, an LCD display screen, a voice recognition module, a fingerprint recognition module, an air conditioner module and a remote control terminal. The voice recognition module is connected with an automobile door unlocking module. The fingerprint recognition module is sequentially connected with a start module and an engine in series. A junction box is connected with a pressure sensor, a seat cushion ventilation device, a backrest massage device, a backrest angle adjuster, a seat cushion height adjustor, a seat cushion heater, a distance adjusting device and a music playing device. The automobile trip computer system has the advantages of being automatic in adjustment, beneficial to multi-function adjustment, capable of being controlled remotely, automatic in recognition and beneficial to remote control.
Owner:济源维恩科技开发有限公司

Circular cutting blade with accurate positioning structure and cutting tool

The invention discloses a circular cutting blade with an accurate positioning structure and a cutting tool. The circular cutting blade comprises a circular blade body which consists of an upper surface, a lower surface and side surfaces connecting the upper surface to the lower surface, wherein a central hole which penetrates through the upper surface and the lower surface is formed in the blade body; the blade body is centrosymmetric with respect to a central axis of the central hole; the upper surface is crossed with the side surfaces to form cutting edges; at least one circular-arc-shaped groove which is matched with the surface of a fastening screw for fixing the circular cutting blade is formed in the inner surface of the central hole; and offset distance is formed between the groovecentral axis of the circular-arc-shaped groove and the central axis. The cutting tool adopts the cutting blade. The circular cutting blade has the advantages of being reliable and stable in positioning, prolonging the service life of the cutting blade and being capable of preventing the circular blade from rotating in the peripheral direction.
Owner:ZHUZHOU CEMENTED CARBIDE CUTTING TOOLS CO LTD

Circular pulling rope type blind

The invention discloses a venetian blind with a circulating drawstring, which comprises a top beam, a bottom beam, a plurality of venetian blinds, a runner, a circulating drawcord, and a curtain control mechanism. There is a curtain-retracting rope that is connected to the rotating shaft at one end and can be wound on the rotating shaft. The upper end of the curtain-retracting rope is connected with the rotating shaft, and the lower end of the curtain-retracting rope is connected with the bottom beam. The threading holes are located between the two vertical corner ladder belts, and the curtain-retracting ropes pass through all the corresponding threading holes sequentially from top to bottom, and the diameter of the threading holes is larger than the outer diameter of the curtain-retracting ropes. The beneficial effects of the present invention are: reasonable structure, effective opening and closing, simple and quick operation, and the venetian blinds can be lifted as a whole to realize a large opening; effective compensation for shading, and better shading effect; automatic adjustment for closing the blinds Due to the function of the position of the rope, when the blinds are rolled up, there will be no intertwining and knotting between the coils of the rolled up curtain rope.
Owner:HANGZHOU YOUPU PLASTIC NEW MATERIAL CO LTD

Oxygen controlling system of metallurgical industry

The invention discloses an oxygen controlling system of metallurgical industry. The oxygen controlling system comprises a plurality of air compressors. The multiple air compressors are in parallel connection with a liquid oxygen storing tank through an oxygen pipeline. The output end of the liquid oxygen storing tank is connected with steelmaking equipment and provided with an oxygen pressure sensor. The oxygen pressure sensor is connected with a controlling system. The controlling system controls starting and stopping of the air compressors according to a detecting result of the oxygen pressure sensor. The oxygen controlling system of metallurgical industry has the advantages that automatic adjusting is achieved, energy consumption is saved, the oxygen bleeding rate is reduced, and energy source is saved.
Owner:SICHUAN DESHENG GRP VANADIUM & TITANIUM CO LTD

Solar thermal-collecting tube reaction grid voltages feed back intelligent control method and apparatus

The invention provides an intelligent control method for the solar energy collector tube reaction sputtering voltage feedback and a device thereof, and relates to a solar energy collector tube. The device of the invention comprises a target power supply, a control unit and an aeration unit. The control unit is connected with the target power supply and the aeration unit respectively. The method of the invention comprises the following steps: A. initialization parameters are set, which comprise a central voltage value V<0> and a central flow valve Q<0>; B. the target voltage is collected; C. difference between the target voltage and the central voltage value V<0> is analyzed and compared to make an judgment; D. a control directive is executed based on the judgment result. The method of the invention is the method generally applicable for various solar energy collector tube plating techniques, and is provided with the advantage of promoting the automation degree of the plating techniques and greatly improving the product quality. The device of the invention is provided with the advantage of the accurate control and the automatic adjustment.
Owner:HIMIN SOLAR

Circuit control system for LED shadowless lamp of digital operating room

The invention discloses a circuit control system for an LED shadowless lamp of a digital operating room. The circuit control system comprises a microprocessor, a mode conversion circuit and a communication control circuit, wherein a power processing module is arranged at an input end of the microprocessor and a signal processing circuit is arranged at an output end; the other end of the signal processing circuit is connected with an LED drive signal output circuit through the mode conversion circuit; the LED drive signal output circuit is branched into a pure white light LED drive signal output circuit, a cold light LED drive signal output circuit, a warm light LED drive signal output circuit and a special LED drive signal output circuit for a pure white endoscope; an obstacle detection module interface and a light spot position sampling circuit are also arranged at the input end of the microprocessor; and a drive control interface and an electric focusing circuit are arranged at the output end of the microprocessor. The circuit control system has three communication modes and five working modes, stepless dimming or light adjustment of any gear can be achieved under the five working modes and the circuit control system also has an automatic light occlusion detection function.
Owner:NANTONG MEDICAL DEVICES

Regulating system for blood purification

InactiveCN106139286AAchieving clean balanceEnsure safetySuction devicesVeinWater source
The invention discloses a regulating system for blood purification. The regulating system comprises a blood pump, a blood filter, an anticoagulant injector, an artery pot, a vein pot, a double-pipe pump, an electronic scale, a regulating valve and a control device. An inlet of the blood pump is communicated with the artery of the human body through a pipeline, the anticoagulant injector is communicated with an outlet of the blood pump, the outlet of the blood pump is communicated with an inlet of the blood filter through the artery pot, an outlet of the blood filter is communicated with the vein of the human body through the vein pot, and a blood purification circulation loop is formed. The electronic scale, the blood purification circulation loop and a displacement liquid circulation loop are organically combined, it is not needed to correct the electronic scale regularly, and the regulating system has the advantages of automatic regulation and high control precision; besides, the control device can perform alternate switching by controlling two sets of switching valves to guarantee continuous off-line displacement liquid supply, and thus the regulating system can operate continuously to generate displacement liquid for treatment in places without water sources and has the advantages of being wide in application range and convenient to use.
Owner:尹良红 +3

CNC automatic cutting device for plate production

The invention relates to the technical field of cutting, in particular to a CNC automatic cutting device for plate production. The CNC automatic cutting device comprises a plate material and a laser automatic cutting head. A tabletop plate is arranged on one side of the plate material, multiple supporting legs are fixedly arranged on one side of the tabletop plate, a J-shaped sliding frame is connected to one side of the tabletop plate in a slidable mode, and a driving block A is fixedly connected to one side of the J-shaped sliding frame. A threaded hole A is formed in one side of the drivingblock A, and a threaded rod A is connected in the threaded hole A in a threaded transmission mode. According to the CNC automatic cutting device, by arranging the J-shaped sliding frame, the drivingblock A, the threaded rod A, a servo motor A, a transmission device, a rotating shaft, a U-shaped rotating frame, an automatic rotating device, an adjusting block, a threaded rod B, a servo motor B, aU-shaped driving frame and an accurate driving device, the CNC automatic cutting device has the functions of automatic cutting, accurate cutting, automatic circle cutting, automatic adjusting, multi-axis cutting and the like.
Owner:苏州创智汇峰信息科技有限公司

Domestic wastewater sorting and recycling system based on automated control

The invention relates to a sorting and recycling system for domestic waste water based on automatic control, which includes a water source pipe network A, a water source pipe network B, a water storage device and a sewage pipe. and tap water delivery warehouses, as well as heavy and light sewage pipes for waste water output, the water supply for buildings is supplied by purpose, the drainage of buildings is recycled by classification, and light sewage such as laundry and bathing is recycled into recycled water, water for flushing toilets, The water used for irrigation, fire fighting, etc. is supplied by recycled water, and the building units are stored in the water storage device after classified recovery and filtration, and the water pump is input into the water tower to supply water for the building units; the present invention adopts several solenoid valves, sub-warehouse pipelines, and valve bodies, It realizes the classified recovery of wastewater and the classified supply of water, and has the advantages of intelligent control, safety and reliability, high recovery rate, no need to replace the valve body, diversified water supply mechanisms, high work efficiency and long life.
Owner:闫会云

Rotary disc saw blade for aluminum alloy machining

InactiveCN112222525AWith automatic adjustmentAutomatic control of movement speedMetal sawing devicesEngineeringStructural engineering
The invention belongs to the technical field of rotary disc saw blades, and particularly relates to a rotary disc saw blade for aluminum alloy machining. The rotary disc saw blade comprises a device shell; a heightening cushion block is fixedly connected to the outer side of the top end of the device shell; a hollow alloy ruler is fixedly connected to the outer side of the top end of the heightening cushion block; a graduated scale is fixedly embedded into the inner side of the right end of the hollow alloy ruler; a cutting device assembly is rotatably connected to the inner side of the top end of the device shell; a first rotating shaft is fixedly connected to the outer side of the bottom end of the cutting device assembly; the outer side of the bottom end of the first rotating shaft is rotatably connected with the inner side of the bottom end of the device shell; a circular cushion block is fixedly connected to the outer side of the bottom end of the cutting device assembly; and theinner side of one end of the circular cushion block is fixedly connected to the outer side of the top end of the first rotating shaft. According to the device of the invention, the moving speed of a cutting blade can be automatically controlled, and when the device encounters materials with different hardness, the device can automatically adjust the moving speed according to the hardness of the materials, so that the protection of the cutting blade is realized, and the flatness of notches of the materials is ensured.
Owner:单县鑫欧冠家居有限公司

Method and system for flow control threshold value self-adjustment

The invention provides a method and a system for flow control threshold value self-adjustment. The method comprises the following steps: determining a deviation degree between time consumption of a previous period of a current period and standard time consumption; in response to the fact that the deviation degree is greater than a preset time consumption deviation threshold value, calculating a flow control threshold value calculation value of the next period of the current period; if the flow control threshold value calculation value is greater than the upper extreme value of the flow control threshold value or less than the lower extreme value of the flow control threshold value, setting the upper extreme value or the lower extreme value as the flow control threshold value of the next period, otherwise, setting the flow control threshold value calculation value as the flow control threshold value of the next period.
Owner:E-SURFING DIGITAL LIFE TECH CO LTD

Overpressure exhaust device

The invention provides an overpressure exhaust device which comprises a hand wheel, a lead screw stepping motor, a valve body, a sealing ring, a valve element, a position switch, a supporting plate, a circular ring nut and an electric connector. Wherein the valve body, the circular ring nut and the electric connector form a valve body assembly, and the valve element, the supporting plate, the lead screw stepping motor and the position switch form a valve element assembly. Through the threaded fit of the lead screw and the circular ring nut fixed on the valve body, the rotating motion of the lead screw is changed into the linear motion of the valve element assembly in the cavity of the valve body assembly, and the adjustment of the overpressure value in the sealed cabin is realized by adjusting the opening degree of the exhaust windows in the valve element assembly and the valve body assembly.
Owner:BEIJING NORTH VEHICLE GROUP CORP

Green intelligent glass curtain wall

The invention discloses a green intelligent glass curtain wall. The green intelligent glass curtain wall comprises a curtain wall body, wherein a shaping frame is arranged on the outer surface of the curtain wall body, an absorption piece is arranged at the upper end of the curtain wall body, a sealing steel edge is arranged at the lower end of the absorption piece, an outer tempered glass layer is arranged at the lower end of the sealing steel edge, a heat preservation layer is arranged on one side of the outer tempered glass layer, a filtering layer is arranged on one side of the outer tempered glass layer, an inner tempered glass layer is arranged on one side of the filtering layer, a shading chamber is arranged on one side of the inner tempered glass layer, a layering plate is arranged in the shading chamber, a liquid conveying pipeline is arranged in the layering plate, liquid conveying openings are formed in the two sides of the liquid conveying pipeline, a photosensitive layer is arranged at the lower end of the shading chamber, and a liquid storage chamber is arranged at the lower end of the photosensitive layer. According to the green intelligent glass curtain wall, by arranging the absorbing piece, the filtering layer and the heat preservation layer, formaldehyde can be absorbed, and the good heat preservation effect is achieved; and by arranging the shading chamber, the liquid conveying pipeline and the photosensitive layer, the device has the performance of automatically adjusting light rays.
Owner:CHINA MCC17 GRP

Heat exchanger auxiliary energy-saving device with automatic deposited carbon cleaning function

The invention relates to the technical field of heat exchangers, and discloses a heat exchanger auxiliary energy-saving device with an automatic deposited carbon cleaning function. The device comprises an exchanger body, a conveying pipeline is fixedly connected to the interior of the exchanger body, and a rotating disc is rotatably connected to the interior of the conveying pipeline. Arc-shaped blades are movably connected to the outer surface of the rotating disc, a pull rope is movably connected to the outer surface of the rotating disc, a stretching rod is movably connected to the other end of the pull rope, the other end of the stretching rod penetrates through the interior of a connecting base, and a telescopic spring is movably connected to the interior of the stretching rod. The side surface of the stretching rod is rotationally connected with a push column. When the device is in use, the effect of automatically treating deposited carbon when the exchanger body is normally used is achieved, the situation that the normal use of the exchanger body is affected due to the fact that too much deposited carbon is accumulated for a long time is avoided, and the service life of the exchanger body is prolonged to a certain extent.
Owner:杨帅

Sentry box air purifying system with automatic adjusting function

The invention discloses a sentry box air purifying system with the automatic adjusting function. The system comprises a sentry box, an air filter arranged on the top of the sentry box, an air outlet end communicated with the air filter, an air inlet pipe arranged in the sentry box, a temperature sensor, a humidity sensor, a heater, a refrigerator, a dehumidifier, a humidifier and a controller, wherein the temperature sensor, the humidity sensor, the heater, the refrigerator, the dehumidifier, the humidifier and the controller are arranged in the sentry box; the air filter comprises a PTFE fiber layer, an activated carbon layer, a polyether sulfone filter membrane layer, a nano carbon fiber cloth layer, a polyphenylene sulfide fiber layer and a bamboo carbon fiber layer which are sequentially arranged in the air inlet direction; the sentry box air purifying system with the automatic adjusting function achieves automatic control and adjusting of temperature and humidity in the sentry box, the air filter is arranged and is used for filtering air entering the sentry box, air quality in the sentry box can be ensured, and the system is simple in structure, high in air purification capacity, good in use effect and good in application and popularization prospect.
Owner:苏州市海魄洁净环境工程有限公司

An intelligent LED lighting control system and method for duckling breeding

The invention belongs to the technical field of lighting intelligent control, and discloses an intelligent LED lighting control system and method for duckling breeding; a control module is provided, and the control module acquires electrical signals from a temperature detection module and a light sensor, and the control module and a signal transmission module For information exchange, the signal transmission module can also calibrate the time module and transmit it to the control module. The control module passes the control current to the adjustable multi-color LED lamp; the current integration module accepts solar panels and emergency power supplies, and the current integration module passes the current to the control module. The invention can use solar panels to generate electricity and store them in the emergency power supply for backup, which is more environmentally friendly and energy-saving; the control module can automatically adjust and adjust the multi-color LED lights according to the stored data in the memory module; it can be remotely controlled through the wireless network, which is convenient It has the advantages of environmental protection and energy saving, automatic adjustment, remote control, etc., and is more convenient to use.
Owner:GUIYANG MUREN AGRI TECH DEV CO LTD

Spraying device improving spraying uniformity

The invention discloses a spraying device improving spraying uniformity. The spraying device is characterized by comprising a nozzle shell. A standard connector is arranged at the top of the nozzle shell. A nozzle outlet is formed in the bottom of the nozzle shell. The nozzle shell is internally provided with a cavity in a goblet shape. The cavity communicates with the standard connector and the nozzle outlet. Ethanol solution with micro rod-like particles is arranged in the interlayer encircled between the cavity and the nozzle shell in a filling mode. An ethyl alcohol filling opening with asealing cover is formed in the outer wall of the upper portion of the nozzle shell. A plurality of micro inlets are formed in the inner wall of the large diameter area of the upper portion of the cavity. A plurality of micro outlets are formed in the inner wall of the small diameter area of the lower portion of the cavity. When spraying liquid flows, pressure difference generated by the spraying liquid in the cavity drives the spraying liquid to flow in through the micro inlets and drives the ethyl alcohol to flow out through the micro outlets to be mixed with the spraying liquid in the cavity. The spraying device has the advantages of automatic sensing, automatic adjusting, automatic mixing, high sensitivity, simple structure, obvious effect, compact structure, being free of maintenance,and being convenient to manufacture.
Owner:NINGBO UNIVERSITY OF TECHNOLOGY

A domestic wastewater separation and reuse system based on automated control

The invention relates to a domestic wastewater separation and reuse system based on automated control. It includes a water source pipe network A, a water source pipe network B, a water storage tank and a sewage pipe. By adopting a recycled water transport warehouse for water input laid in a building unit and tap water delivery warehouses as well as heavy sewage pipes and light sewage pipes for wastewater output. The water supply to the building is supplied by purpose. The drainage of the building is classified and recycled. Light sewage such as laundry and bathing is recycled into recycled water. Water for flushing toilets, Water for irrigation, fire protection, etc. is supplied by recycled water. The building units are recycled and filtered by classification and stored in water storage containers. The water towers are input through water pumps to supply water to the building units. The present invention adopts a number of solenoid valves, sub-silo pipes, and valve bodies. It realizes the classified recycling of waste water and the classified supply of water. It has the advantages of intelligent control, safety and reliability, high recovery rate, no need to replace the valve body, diversified water supply mechanism, high work efficiency and long life.
Owner:河南伯睿环保科技有限公司

Hydraulic system with flow compensation function and engineering machinery

The invention relates to a hydraulic system with a flow compensation function and engineering machinery provided with same. The hydraulic system comprises a main pump which is connected with an oil tank and controlled in a load sensing mode, actuating mechanism, a main control valve which is connected with the main pump and the actuating mechanism and used for distributing hydraulic oil for the actuating mechanism, a pilot pressure input part which is connected with the main control valve so as to input pilot pressure to the main control valve, and a flow compensation mechanism, wherein the flow compensation mechanism comprises a compensation pressure input part and a flow compensation valve block; the compensation pressure input part is used for inputting constant compensation pressure to the flow compensation valve block; and the flow compensation valve block is connected with the pilot pressure input part, the compensation pressure input part, a load pressure output pipeline of the main control valve and a displacement adjusting mechanism of the main pump and used for receiving the compensation pressure and the load pressure under the condition that the pilot pressure input part inputs the pilot pressure and inputting the higher one of the compensation pressure and the load pressure to the main pump so as to control the displacement of the main pump.
Owner:WEICHAI POWER CO LTD +1

Composite dimming control system

The invention belongs to the technical field of dimming panels, and particularly relates to a composite dimming control system. The circuit comprises a voltage transformation light modulation system and an MCU light modulation circuit. The voltage transformation dimming system and the MCU dimming circuit share one set of power supply system, a standby power supply and a crystal oscillator; dual-system parallel control is carried out in cooperation with the DALI dimming circuit and the MCU dimming circuit; a DALI dimming control circuit and an MCU dimming circuit are established on the basis of a dimming chip, and a detection device, a wireless transceiver and a networking device are integrated, so that the dimming device is more intelligent and has the functions of automatic adjustment, sound control and the like, the DALI dimming control circuit and the MCU dimming circuit are matched in the same room at the same time, connection is completed through a DALI bus, and one or more lamps can be controlled.
Owner:ZHONGSHAN DIMMABLE LIGHTING ELECTRONICS CO LTD

Intelligent LED lamp control system and method for duckling breeding

The invention belongs to the technical field of light intelligent control and discloses an intelligent LED lamp control system and method for duckling breeding. A control module is arranged and is used for acquiring electrical signals of a temperature detection module and an illumination sensor, the control module is used for performing information exchange with a signal emission module, the signal emission module can be used for proofreading a time module and transmitting to the control module, the control module is used for transferring a control current to an adjustable multi-color LED lamp, and a current integration module is used for receiving a solar panel and an emergent power supply and is used for transferring the current to the control module. The solar panel can be used for generating power, the power is stored in the emergency power supply for use, and more environmental friendliness and more energy saving can be achieved; the control module can be used for automatically adjusting the adjustable multi-color LED lamp according to storage data in a memory module; remote control can be performed by a wireless network, and control is convenient; and the intelligent LED lampcontrol system has the advantages of environmental friendliness, energy saving, automatic adjustment, remote control and the like and is more convenient to use.
Owner:GUIYANG MUREN AGRI TECH DEV CO LTD

Hydraulic system and engineering machinery with flow compensation function

The invention relates to a hydraulic system with a flow compensation function and engineering machinery provided with same. The hydraulic system comprises a main pump which is connected with an oil tank and controlled in a load sensing mode, actuating mechanism, a main control valve which is connected with the main pump and the actuating mechanism and used for distributing hydraulic oil for the actuating mechanism, a pilot pressure input part which is connected with the main control valve so as to input pilot pressure to the main control valve, and a flow compensation mechanism, wherein the flow compensation mechanism comprises a compensation pressure input part and a flow compensation valve block; the compensation pressure input part is used for inputting constant compensation pressure to the flow compensation valve block; and the flow compensation valve block is connected with the pilot pressure input part, the compensation pressure input part, a load pressure output pipeline of the main control valve and a displacement adjusting mechanism of the main pump and used for receiving the compensation pressure and the load pressure under the condition that the pilot pressure input part inputs the pilot pressure and inputting the higher one of the compensation pressure and the load pressure to the main pump so as to control the displacement of the main pump.
Owner:WEICHAI POWER CO LTD +1
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products