60results about How to "Achieve individual control" patented technology

The embodiment of the invention provides a display panel and a display device. The display panel comprises a substrate, a light-emitting functional layer and a driving circuit layer, the light-emitting functional layer is arranged on one side of the substrate; comprising a plurality of peep-proof sub-pixels and a plurality of shared sub-pixels; the peep-proof sub-pixel comprises a peep-proof light-emitting unit; the shared sub-pixel comprises a shared light-emitting unit; the distance between at least part of each shared light-emitting unit and the substrate is greater than the distance between the peep-proof light-emitting unit and the substrate; the driving circuit layer is arranged between the substrate and the light-emitting functional layer and comprises a peep-proof driving circuit and a shared driving circuit; the peep-proof driving circuit is used for driving the peep-proof sub-pixels, and the shared driving circuit is used for driving the shared sub-pixels. The display panel provided by the embodiment of the invention can be switched between the peep-proof mode and the sharing mode, so that a co-driver screen is visible to a main driver and a co-driver at the same time, and the visible mode (sharing mode) of the main driver and the invisible mode (peep-proof mode) can be freely switched.

The invention discloses a relay control circuit, a control method and an inverter system, and belongs to the field of inverter systems. The relay control circuit comprises at least one voltage sampling module; the at least one switch module is connected with the at least one series-connected relay in a one-to-one correspondence manner; the control module is connected with the switch module and is used for controlling the switch module to switch on when the remaining relays except the first target relay in the at least one series-connected relays are all closed and the actual voltage at the two ends of the first target relay is smaller than a target threshold value; controlling the first target relay to be closed through a switch module corresponding to the first target relay; the first target relay is the last relay close to one side of the power grid. According to the relay control circuit, the impact current in the loop can be reduced, the main contact of the relay and components in the loop are protected, the service life of an inverter system is prolonged, and the reliability of the inverter system is improved.

The embodiment of the invention relates to the technical field of intelligent terminals, and discloses a display device, a display control method and device and a storage medium, the display device is formed by sequentially connecting a first display and at least one second display, and a first controller is configured to receive a mode setting instruction; transmitting the mode setting instruction to a target controller coupled with a target display indicated by the mode setting instruction based on an interface connection relationship between the first display and each display in the at least one second display, so that the target controller sets a control mode of the target display as a target control mode; and transmitting the media resource to the target controller based on the interface connection relationship between the first display and each display in the at least one second display, so that the target controller controls the target display to play the media resource based on the target control mode of the target display. By applying the technical scheme, the operation flexibility of the display equipment can be improved.

The application discloses a door lock control method, comprising: unlocking: first power forward driving makes the main lock tongue and the bevel lock tongue retract, and then the first power reverse driving forms a first clutch space with the main lock tongue, and the first power reverse driving makes the bevel lock tongue extend; the first power can be forward driving again to make the bevel lock tongue retract, and since the first power is output in the first clutch space, the main lock tongue is still in the retracted state; locking: the first power reverse driving makes the main lock tongue extend, and then the first power forward driving forms a first clutch space with the main lock tongue, and since the first power exists a second clutch space with the bevel lock tongue, the bevel lock tongue will keep the extended state. So that the main lock tongue and the bevel lock tongue form various working combination modes, especially in the unlocking state, the independent control of the bevel lock tongue can be realized, that is, the extension and retraction of the bevel lock tongue are controlled, the flexibility of the bevel lock tongue control is enhanced, and the user is provided with more convenient and convenient door locks.

The application discloses a speech synthesis method and device, computer equipment, program product and storage medium. The method comprises the following steps: obtaining a text to be synthesized, audio prompt information and emotional prompt information of at least one mode, the emotional prompt information being used for indicating an emotional type of the text to be synthesized; performing feature extraction on the text to be synthesized to obtain content features, and performing feature extraction on the audio prompt information to obtain target voice timbre features and reference prosody features; performing feature extraction on the emotional prompt information to obtain target emotional features; generating target prosody features of the text to be synthesized based on the content features, the target voice timbre features, the target emotional features and the reference prosody features; and performing speech synthesis on the content features and the target prosody features according to the target voice timbre features and the target emotional features to obtain target speech. The application can improve the flexibility of controlling emotional features in the target speech.

The present invention belongs to the field of automobile production line production, hot melt adhesive pressing and pasting fully automated operation technology, and discloses an automatic timing device, method, equipment and application for pressing hot melt adhesive into the sunroof air outlet. The automatic timing method for pressing hot melt adhesive into the sunroof air outlet includes: installing the air outlet to a designated position, instructing different buttons to start different groups of cylinders, and pressing the sandbags into the air outlet from top to bottom after reaching the designated position; when all the sandbags are pressed to the designated position, the switch is triggered, and all the pressed sandbags return to their positions at the same time after the device starts timing. The present invention saves costs: using its own resources, independent research and development, and independent transformation (reducing construction costs and maintenance costs). The present invention saves time: it saves the operator's quality requirement of 20 seconds of waiting time for pressing the sandbags; the present invention improves safety: it completely eliminates the occupational disease of wrist pain caused by pressing the air outlet; it eliminates the harm to the operator caused by the slipping of sandbags.

The invention relates to a charging method and device, electronic equipment and a storage medium. The charging method comprises the steps that the charging temperature of a battery pack and charging parameters of the battery pack are obtained, the charging parameters comprise charging voltage, and the battery pack comprises at least two batteries; determining a target charging inlet current of each battery in the battery pack based on the charging temperature and the charging voltage; and charging the battery pack based on the target charging inlet current of each battery. The method can achieve the independent control of each battery in the battery pack, can guarantee the charging safety of the batteries, can also guarantee the charging speed, and improves the charging experience of a user.

The embodiments of the present application disclose a method, device, equipment and storage medium for controlling vehicle driving, which belongs to the field of vehicle intelligent driving technology and can be applied in scenes such as curves in highways, ports, mines, urban traffic, or windy roads, or windy curves. The method comprises: during vehicle driving, determining target adjustment information based on a vehicle driving parameter set, and adjusting the vehicle's driving variables through the target adjustment information, that is, when the target adjustment information and the driving variables are different parameters, respectively applying a vehicle driving parameter set consisting of first deceleration information and second deceleration information, first damping information and second damping information and / or steering information to determine the driving speed, driving posture and / or driving direction, thereby realizing separate control of the vehicle under the influence of curves and / or side winds, and more accurately eliminating the influence of side winds on vehicle driving.

The telemetering monitor comprises a complete machine shell, a main control board, a parameter board and an interface board, the main control board, the parameter board and the interface board are contained in the complete machine shell, the main control board is electrically connected with the parameter board, and the parameter board is electrically connected with the interface board; a power supply control circuit electrically connected with the battery is integrated on the interface board; a first single-chip microcomputer minimum system circuit electrically connected with the power supply control circuit is integrated on the main control board, a second single-chip microcomputer minimum system circuit electrically connected with the power supply control circuit is integrated on the parameter board, and power supply of all circuits in the main control board is controlled by the first single-chip microcomputer minimum system circuit. The power supply of each circuit on the parameter board and the interface board is controlled by the second single-chip microcomputer minimum system circuit. The circuits on the main control board, the parameter board and the interface board are independently controlled by adopting two single-chip microcomputer minimum system circuits, the starting of the circuits with response functions can be controlled according to use requirements, the control on a power supply is finer, the power consumption is favorably reduced, and the cruising ability of the telemetering monitor is improved.

The present invention discloses a feeding device for batch galvanizing of steel pipes, which belongs to the technical field of galvanizing processing of steel pipes, and comprises a base, an auxiliary component is arranged on the base, a position adjustment slide is slidably installed on the base, a driving component and a plurality of placement components are arranged on the position adjustment slide, by arranging the auxiliary component, under the action of a diamond-shaped sliding block and a trapezoidal pushing block, the position of the arc-shaped clamping block on the L-shaped slide can be quickly adjusted, by arranging a straight-line rotating plate and a straight-line sliding groove on a transmission round block, each placement component can be controlled separately, by cooperating with the driving component and the placement component, the clamping position of the steel pipe can be switched, thereby realizing galvanizing processing of various positions of the steel pipe, by cooperating with the auxiliary component, the driving component and the placement component, rapid feeding of the steel pipe can be realized, thereby facilitating subsequent batch galvanizing processing of the steel pipes.

The invention discloses a multi-roller-shutter-door control device and a warehousing system. In the device, a wireless control module is arranged on a cargo transfer trolley and comprises an operation unit and a transmitting unit; the operation units are in one-to-one correspondence with the groups of the wireless receiving modules, and adjust own states according to the operation of a driver; the transmitting unit is connected with the operation unit and transmits a corresponding wireless control signal according to the state of the operation unit. The wireless receiving module is arranged at the position of the corresponding roller shutter door, connected with a driving device of the roller shutter door and used for receiving the corresponding wireless control signal and controlling opening and closing of the roller shutter door, control over the roller shutter door is achieved, on one hand, the key is prevented from being lost and copied due to separation of people and the key, and the system safety is improved. On the other hand, the relative distance between the wireless receiving modules in the same group is set to be larger than two times of the control distance, control over the whole group of wireless receiving modules by the operation units is achieved, the number of the operation units in the wireless control module is reduced, and the operation difficulty of a driver is lowered.

The utility model provides a combined shower head, which relates to the technical field of sanitary products and comprises a support, a fixed shower head fixedly connected with the support and a handheld shower head detachably arranged on the support. The support comprises a water inlet flow channel, a first water path, a second water path and an electronic switching structure, the water inlet flow channel communicates with the water inlet pipe, the first water path communicates with the fixed shower head, and the second water path communicates with the handheld shower head; the electronic switching structure comprises a control part, a motor, a driving disc and a water distribution disc, the water distribution disc is arranged in a water distribution cavity, the water distribution cavity is provided with a first water outlet communicated with the first water way and a second water outlet communicated with the second water way, and the control part is triggered remotely through a remote controller or a key on the handheld shower head to trigger the control part so as to drive the motor to rotate. Therefore, the driving disc is linked to drive the water distribution disc to rotate, so that the water distribution holes in the water distribution disc are communicated with or separated from the water outlets, and water path switching is achieved.

The utility model discloses an independent two -way syringe pump relates to syringe pump technical field. Including: bottom plate, be provided with two syringe pumps on bottom plate, syringe pump includes: front plate, backboard, screw rod, sliding plate and motor, front plate sets up on bottom plate, backboard sets up on bottom plate, and front plate and backboard are parallel to each other, and the front plate is connected through screw rod between backboard, sliding plate is connected with screw rod threadedly, motor sets up below bottom plate, and motor is connected with screw rod transmission. The utility model discloses through setting up two syringe pumps and respectively through motor and separately driving, can realize to two syringe pumps and separately control or synchronous control, and further can realize two -way independent operation or synchronous operation, can to two syringes and synchronous drive or drive respectively, two -way independent operation, equivalent to two syringe pumps, two -way synchronous operation, satisfy the demand of synchronous test, two -way can be linked in marriage and realize the constant -current function of no broken flow, satisfy the requirement of liquid continuous transmission.

The invention provides a pumping detection TAP instrument, and relates to the field of transient dynamics and catalytic surface and interface research. The pumping detection TAP instrument provided by the invention comprises a sample injection pulse system, a micro reactor, a liquid nitrogen cooling system, a mass spectrum system and a vacuum system. Through the arrangement, the experiment of continuous pulse or intermittent pulse or pump-probe pulse of one or two gas molecules can be realized, so that surface chemistry and microdynamics information related to element steps can be obtained.

This application relates to semiconductor technology and discloses a power semiconductor module and its driving circuit and electronic device. The power semiconductor module includes at least two groups of power semiconductor devices, a substrate, and multiple control signal pins. Each power semiconductor device group includes two power semiconductor devices forming a bridge arm structure, with each group connected in parallel. Each power semiconductor device is mounted on the substrate. The control terminal of each power semiconductor device is connected to a corresponding control signal pin. By using parallel power semiconductor device groups for current shunting, the system's power capacity and heat dissipation efficiency are greatly improved. Furthermore, connecting the control terminals of each power semiconductor device to separate control signal pins allows for individual control of each device, ensuring current balance among the parallel power semiconductor device groups and significantly improving the module's reliability.

The invention relates to the technical field of electric energy quality control, in particular to a control method of a cascade H-bridge photovoltaic grid-connected inverter under the unbalanced working condition of a power grid, which comprises the following steps of: S1, establishing a direct current side total voltage control method to obtain a reference value of an active current component required to be injected into the power grid by the inverter; s2, establishing a current positive and negative sequence inner loop control method, and tracking the positive and negative sequence current instructions to obtain positive and negative sequence voltage modulation signals; s3, generating a negative sequence current feed-forward item based on a negative sequence current injection method, and merging the feed-forward item into calculation of a direct current side voltage control output value to complete inter-phase power balance control; and S4, carrying out carrier phase-shifting modulation based on the phase-shifting angle which changes in real time, and completing in-phase power balance control. According to the invention, the problem of power imbalance of the cascaded H-bridge photovoltaic grid-connected inverter under the unbalanced working condition of the power grid can be well improved, and the inverter is ensured to safely and stably provide three-phase balanced current.

The present application belongs to the technical field of quick-opening seals, and in particular, relates to a separate opening and closing device. The existing opening and closing device has a complex structure, which makes it inconvenient to control. The present application provides a separate opening and closing device, including several separate opening and closing units; the separate opening and closing units include a rotating mechanism, a push-pull mechanism and a split ring connected in sequence from top to bottom; the rotating mechanism includes a swing arm shaft; the push-pull mechanism includes a turntable, the turntable is arranged on the door cover, the turntable is connected to the swing arm shaft, a sliding track is arranged on the turntable, a thrust roller is arranged in the sliding track, a column pin is arranged in the thrust roller, a guide roller is arranged outside the column pin, a connecting rod is fixedly connected to the lower end of the column pin, a slide groove is arranged on the door cover, and the connecting rod is arranged in the slide groove; the split ring is connected to the connecting rod, and the split ring is arranged between the flange and the door cover. The rotating mechanism and the push-pull mechanism cooperate with each other, corresponding to a split ring, to achieve separate control of the split ring, with a simple structure, easy control and convenient operation.

The invention discloses an SMT chip mounter feeding device which comprises a feeder shell and a driving mechanism, a connecting shaft penetrates through the interior of the feeder shell, connecting teeth are arranged on the two sides of the connecting shaft and the output end of the driving mechanism, and a material belt conveying mechanism is arranged at the top of the feeder shell. A connecting mechanism is arranged between the material belt conveying mechanism and the connecting shaft, and a locking mechanism is arranged between the feeder shell and the driving mechanism. The connecting teeth drive the adjacent connecting shafts to rotate, so that the connecting shafts in the feeder shells rotate synchronously, then the connecting mechanisms drive the material belt conveying mechanisms, the multiple material belt conveying mechanisms rotate synchronously, and due to the fact that the specifications of different material belts are different, connection can be disconnected in time by controlling the connecting mechanisms; and control over the conveying distance of the multiple material belt conveying mechanisms is achieved.

The invention discloses a mining vehicle engine maintenance platform which comprises a base assembly, an adjusting box, a driving assembly, braking assemblies, a driven structure and an auxiliary support, the adjusting box is fixedly connected to the top of the base assembly, the driving assembly and the braking assemblies are both located in the adjusting box, the braking assemblies are arranged on the two sides of the driving assembly, and the driven structure is arranged on the auxiliary support. The driven structure is arranged on one side of the adjusting box, and the brake assembly drives the driven structure to rotate. The invention belongs to the technical field of mine car overhauling, and particularly relates to an engine overhauling platform of a mine vehicle. By arranging the driving assembly and the braking assembly, the engine can be driven to slowly speed up and brake when the angle of the engine is adjusted, so that the stability of the engine during overhauling is ensured, and the problem that impact is caused when the overhauling angle of the mine car engine is adjusted on an overhauling platform at present is effectively solved.

The invention relates to the technical field of intelligent wardrobes, in particular to an intelligent work clothes drying wardrobe which comprises a single wardrobe, a clothes hanger assembly, a hat drying assembly and a shoe drying assembly are arranged in the single wardrobe, and a drainage system is further arranged on the lower side of the single wardrobe; the output end of the ventilation device is sequentially connected with a dehumidification device and a bactericide generator, the output end of the bactericide generator is communicated to the bottom of the single wardrobe through an air inlet pipe assembly, and the upper end of the single wardrobe is connected with an ozone decomposition device through an exhaust pipe assembly; and the control device is electrically connected with the ventilation device, the dehumidification device, the air inlet pipe assembly and the bactericide generator. The working clothes, the working shoes, the safety helmets and the like can be dried and sterilized quickly.

A three-level transmission mechanism for a road pollution cleaning vehicle comprises a transmission seat with a clutch disc, a first-level transmission belt wheel and a second-level transmission disc, and the transmission seat with the clutch disc is in transmission connection with the first-level transmission belt wheel and the second-level transmission disc through a transmission shaft. The three-stage transmission device is characterized in that a three-stage transmission main transmission disc is sleeved on the transmission shaft between the first-stage transmission belt pulley and the second-stage transmission disc, and the three-stage transmission main transmission disc is in transmission connection with a three-stage transmission auxiliary transmission disc through a transmission belt. The device is simple in structure, convenient to use, stable in operation and low in improvement cost.

The invention discloses a GIS equipment intelligent heat tracing band constant temperature maintaining device and method, and relates to the technical field of power system control, and the device comprises a front end heat tracing band unit which is used for wrapping and heating GIS equipment; the switching control unit is used for selecting a heating tape switching strategy according to the acquired temperature information; and the background monitoring unit is used for summarizing and displaying the temperature state of the in-station equipment and the switching state of the heating device. The outside of the GIS equipment is wrapped and heated through the front-end heat tracing band unit, the front-end heat tracing band unit is controlled through the switching control unit, constant-temperature control is carried out on the GIS equipment, and control information and temperature information are sent to the background monitoring unit for remote real-time monitoring. The connecting mode of the heat tracing assembly can be expanded or reduced according to the actual situation, and the heat tracing assembly has the significance that the heat tracing assembly adopts a modular production mode, is installed, dismantled and maintained in a standardized mode, reduces the maintenance amount and improves the safety margin of equipment.

This application discloses a waste recycling device, which includes a receiving assembly, a collection pipeline, and an air extraction assembly. The first end of the collection pipeline is connected to the discharge port of a cutting mechanism, and the second end of the collection pipeline is connected to the feed end of the receiving assembly. The cutting mechanism is configured to cut rolls or sheets. The air extraction end of the air extraction assembly is connected to the collection pipeline and is configured to extract air from the collection pipeline to quickly collect the waste cut by the cutting mechanism into the receiving assembly. By setting up a collection pipeline and installing an air extraction assembly on it, the waste recycling device quickly and accurately collects the waste cut by the cutting mechanism into the receiving assembly. It also significantly reduces the probability of waste adhering to the discharge port or drifting outside the receiving assembly.

The invention belongs to the technical field of shield tunneling machines, and particularly relates to a jacking device of a shield tunneling machine and a using method thereof.The jacking device of the shield tunneling machine comprises a bottom plate, a first square top pier is arranged on the bottom plate, a jack oil cylinder is arranged on the first square top pier, a shield body is arranged above the bottom plate, and a first triangular top pier is arranged on the side wall of the shield body; a jack oil cylinder is arranged on the bottom plate, an oil way is connected to the side wall of the jack oil cylinder in a penetrating mode, a high-pressure ball valve is arranged on the oil way, a second square top pier is arranged on the bottom plate and arranged on one side of the bottom plate, and a second triangular top pier is arranged on the side wall of the shield body. The high-pressure ball valve is mounted on the oil way of the jack oil cylinder, so that the jack oil cylinder can be freely combined, linked and independently controlled. By means of the design, accuracy and flexibility in the jacking process are greatly improved, the working state of each oil cylinder can be flexibly adjusted according to actual working conditions and needs, and the risk of shield body rollover caused by stroke deviation of the jack is effectively avoided.

The utility model relates to a heating device of a mining explosion-proof electric heating fan. The heating device comprises a box body, a U-shaped electric heating tube and a protective shell, a mounting space is formed in the box body; a mounting cover plate is arranged at the top of the box body, and a plurality of mounting through holes are formed in the mounting cover plate in a staggered manner; an air inlet is formed in one side end of the box body, and an air outlet is formed in the other opposite side end of the box body; the U-shaped electric heating tubes are located in the installation space, and the two ends of each U-shaped electric heating tube are each provided with an electric connecting rod. Two electric connecting rods of the U-shaped electric heating tube are fixed at the two mounting through holes one by one; the protective shell is fixedly arranged at the upper part of the mounting cover plate; two electric connecting rods of the U-shaped electric heating tube extend into the protective shell through the two corresponding mounting through holes; the side wall of the protective shell is provided with a plurality of cable connecting interfaces, the cable connecting interfaces are used for being electrically connected with external cables, and each cable connecting interface is electrically connected with the connecting ends of a part of the U-shaped electric heating tubes through an internal cable. Installation and maintenance are convenient, wiring is regular, and dismounting and maintenance are convenient.

The present invention discloses a shuttle control device and a control method thereof. The control device comprises: a main controller, and a servo motor system, a peripheral sensor, an optical code reader locator and a plurality of sub-controllers connected to the main controller; the servo motor system comprises a servo motor driver and a servo motor; the peripheral sensor comprises an inclination sensor and an anti-collision laser sensor, the main controller is connected to the inclination sensor, and the plurality of sub-controllers are connected to the anti-collision laser sensor. The shuttle of the present invention determines the state of the shuttle and performs safety inspection according to the instructions of the WCS or each sensor, thereby improving the safety of the operation of the shuttle.

The invention relates to a power supply base plate protection device, a power supply base plate and a hydrogen energy tester, and relates to the technical field of electronic circuits. The power supply base plate protection device comprises an emergency stop circuit, a controller, a switching circuit and a switching circuit. The hardware emergency stop circuit is used for generating a first emergency stop signal according to an external key instruction. The controller is used for generating a switching signal and a second emergency stop signal according to the control instruction. And the switching circuit is connected with the hardware sudden stop circuit and the controller and is used for taking one of the first sudden stop signal and the second sudden stop signal as a driving signal according to the switching signal. The switching circuit is connected with the switching circuit and used for controlling the power supply loop to be connected or disconnected according to the driving signal. Therefore, the on-off control of the power supply loop on the power supply base plate is more flexible through hardware control and software control, the independent control of the power supply base plate is realized, and the effect of carrying out targeted protection on the power supply base plate and the load function module connected with the power supply base plate is realized.

The invention relates to an optical assembly comprising: a light source (101) configured to emit light; the light guide unit (102) is configured to receive and guide light rays emitted by the light source (101) and emit the light rays from a light emitting surface of the light guide unit (102); the back plate (103) is configured to provide support for the light guide unit (102); wherein the optical assembly (100) is configured to produce a light distribution pattern. The invention further provides a lighting device and a vehicle.

The present invention discloses a new energy automobile air conditioning sensor, which relates to the technical field of automobile sensors, including an air conditioning evaporator and a refrigerant delivery pipe, and also includes: a refrigerant guide component, which is arranged between the air conditioning evaporator and the refrigerant delivery pipe. The present invention also discloses a working method of a new energy automobile air conditioning sensor, including the following steps: equipment installation, sensor installation, pressure protection adjustment and detection. The present invention can guide the refrigerant by setting a refrigerant guide component, and by setting a pressure sensor and a temperature sensor on both sides of the refrigerant guide component, the pressure sensor and the temperature sensor can detect the refrigerant pressure and temperature to ensure the stable operation of the automobile air conditioner, and by setting a transition chamber between the refrigerant guide component and the pressure sensor, a piston head is arranged inside the transition chamber, and the pressure sensor detects the refrigerant pressure through the piston head, thereby realizing overload protection of the pressure sensor.

The utility model provides an emergency buoy digital display type cavity detector which comprises a box body, a vacuum pump, an inflator pump, a confluence header pipe and a plurality of inflation branch pipes are arranged in the box body, the vacuum pump, the inflator pump and the inflation branch pipes are respectively communicated with the confluence header pipe, one end of each inflation branch pipe far away from the confluence header pipe is provided with a connector, and the connectors are arranged on the outer wall of the box body. A pressure sensor, an electromagnetic valve and a pressure gauge are arranged on each inflating branch pipe, the pressure gauges are arranged at the top of the box body, a controller is arranged on the box body, and the pressure sensors and the electromagnetic valves are respectively connected with the controller. According to the digital display type cavity detector for the emergency buoy, disclosed by the utility model, multiple cavities of the buoy can be simultaneously and uniformly inflated in an automatic gas filling and inflating process, and pressure values can be monitored in real time, so that the influence of human factors on cavity structure detection is reduced, and the test precision is high. In the air exhaust process, simultaneous and balanced air exhaust of multiple cavities can be achieved, independent control of the cavities can be achieved, and the smoothness of folding the buoy is guaranteed.