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54results about How to "Avoid false trigger situations" patented technology
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Information display method under screen-off state and mobile terminal
ActiveCN106527896AAvoid false trigger situationsInput/output processes for data processingComputer engineering
Owner:VIVO MOBILE COMM CO LTD
Folding screen electronic equipment and folding angle determining method
ActiveCN110417961AUndisturbedReliable detectionUsing optical meansTelephone set constructionsEngineeringElectron
The embodiment of the invention provides folding screen electronic equipment and a folding angle determination method, the folding screen electronic equipment comprises a first folding main body, a second folding main body, a light emitter and a plurality of light receivers arranged at intervals, and the first folding main body and the second folding main body are rotatably connected; the light emitter is fixedly arranged relative to the first folding main body; the plurality of light receivers are fixedly arranged relative to the second folding main body, and one of the plurality of light receivers can be selectively matched with the light emitter; the processing unit is used for determining a target light receiver matched with the light emitter at present and determining the folding angle of the folding screen electronic equipment according to preset position information of the light receiver and the light emitter. According to the embodiment of the invention, the folding angle of the folding screen electronic equipment is detected by adopting an optical scheme, and the folding angle can be reliably detected, so that the folding screen electronic equipment can carry out differentiated UI display according to the folding angle, the interference of electromagnetism or a magnet is avoided, and the condition of false triggering can be avoided.
Owner:GUANGDONG OPPO MOBILE TELECOMM CORP LTD
Control method of terminal screen and terminal
InactiveCN105827801AEffective controlImprove accuracySubstation equipmentComputer terminalEmbedded system
The present invention provides a control method of a terminal screen and a terminal, relating to the field of terminal design. The problem of poor effect of preventing screen false triggering by using an infrared sensor in the prior art is solved. The terminal comprises a biosensor. The control method comprises a step of controlling the biosensor to obtain the preset physiological data of a current conversation user in terminal conversation, a step of generating a screen control command according to the obtained preset physiological data, and a step of controlling a screen to be on or off according to the screen control command. According to the scheme of the invention, the effective control of the terminal screen is realized, and the accuracy and a user experience are improved.
Owner:VIVO MOBILE COMM CO LTD
Error operation preventing method and device and terminal device
InactiveCN105334966AAvoid false trigger situationsInput/output for user-computer interactionGraph readingComputer hardwareTerminal equipment
Owner:GUANGDONG OPPO MOBILE TELECOMM CORP LTD
Burning and function testing fixture and method for skylight control circuit board
InactiveCN109444719AShorten the timeIncrease productivityElectronic circuit testingProgram loading/initiatingElectricityControl circuit
The invention discloses a burning and function testing jig for a skylight control circuit board, the burning and function testing jig comprises a base, wherein the base is used as a bearing structure,at least two sets of burning and testing mechanisms are arranged on the base in parallel, each group of burning and testing mechanism comprises a burning assembly, a testing assembly, an automatic lifting assembly and a burning and testing control module, the burning assembly comprises a carrying plate used for placing the circuit board and a probe used for burning; the testing assembly comprisesa load motor and a magnetic ring, the magnetic ring corresponds to the position of a hall sensor of the circuit board, the automatic lifting assembly is arranged above the burning assembly and comprises an air cylinder and a pressing plate, the carrying plate can be down pressed by the pressing plate via the pressing plate, and the burning and testing control module is respectively electrically connected with the burning assembly, the testing assembly and the automatic lifting assembly, so that the control function is achieved. The burning and function testing jig has the advantages and effects of integrating burning and testing functions, and a multi-channel circuit board automatic simultaneous burning mode is used, so that the production efficiency is improved.
Owner:ZHEJIANG JINGTONG AUTOMATIC CONTROL TECH CO LTD
Pressure detection circuit, electronic equipment and control method of the pressure detection circuit
ActiveCN110597411AImprove experienceAvoid false trigger situationsInput/output processes for data processingPressure detectionElectron device
The invention provides a pressure detection circuit, electronic equipment and a control method of the pressure detection circuit. The pressure detection circuit comprises at least one first detectionunit which is used for sensing an acting force in a first direction, at least one second detection unit which is used for sensing the acting force in the second direction, and a pressure detection chip, wherein the first detection unit and the second detection unit have different induction parameters corresponding to different acting forces; the first direction and the second direction form a preset angle; the pressure detection chip is connected with the first detection unit and the second detection unit; and the pressure detection chip determines a first pressure parameter in the first direction and a second pressure parameter in the second direction according to the induction parameter of the first detection unit and the induction parameter of the second detection unit, and determines whether to output a trigger instruction or not according to the first pressure parameter and the second pressure parameter. According to the invention, pressure detection in two directions can be realized to determine whether to output the trigger instruction, and false triggering is avoided.
Owner:VIVO MOBILE COMM CO LTD
Mobile vehicle wireless charging system
ActiveCN107399244AGuaranteed normal transmissionAvoid false trigger situationsCharging stationsElectric vehicle charging technologyElectrical batteryPre-charge
The invention provides a mobile vehicle wireless charging system. The system comprises a vehicle position detecting device composed of a vehicle-mounted wireless signal transmission module and a ground wireless signal receiving module, a resonance energy transmission circuit laid underground and a resonance vehicle-mounted energy receiving device; when an electric vehicle detects that a battery is in the electricity lack state, and wants to enter in the charging segment, a vehicle-mounted information transmission device is started and emits signals; when the ground signal receiving device receives the emitted signals, an energy transmission coil laid under the charging segment is started, and the pre-charging preparation state is executed. On the one hand, the problem that in the process of moving of the electric vehicle in the charging segment, charging preparation is slow is solved; on the other hand, the problem that the energy transmission coil is in the work state all the time, and energy losses are caused is solved.
Owner:XJ POWER CO LTD +4
Unmanned aerial vehicle (UAV) take-off and landing control method, flight controller and UAV
InactiveCN110262539AImprove operating experienceEnsure safetyAttitude controlProtection mechanismUncrewed vehicle
The invention relates to a UAV take-off and landing control method, a flight controller and a UAV. The UAV take-off and landing control method comprises that when a take-off instruction is received, the UAV is controlled to rise to a preset height and hovered; and in response to a received operation instruction, the UAV executes corresponding flight motion. The UAV take-off and landing control method provides corresponding auxiliary control functions in the take-off / landing process. Proper buffer time or interval can be provided by transient hovering in the set height, the operation experience of an operator can be improved effectively, a speed protection mechanism is realized, and safety during take-off and landing is ensured.
Owner:SHENZHEN AUTEL INTELLIGENT AVIATION TECH CO LTD
Electronic device and pressure key operation method
ActiveCN111459330AEasy to useAvoid false trigger situationsInput/output processes for data processingElectrical connectionHemt circuits
The invention provides an electronic device and a pressure key operation method. The electronic device comprises a shell with a first side frame; a pressure sensing assembly which is located on the inner side of the first side frame, wherein a sensing area corresponding to the pressure sensing assembly is formed on the outer side wall of the first side frame, and the pressure sensing assembly comprises a first pressure sensing plate and a second pressure sensing plate which are arranged in a stacked mode. The device also comprises a detection module which comprises a first detection circuit and a second detection circuit, and the first detection circuit is electrically connected with the first pressure induction plate and used for outputting a first detection result according to the deformation condition of the first pressure induction plate; the second detection circuit is electrically connected with the second pressure sensing plate and is used for outputting a second detection result according to the deformation condition of the second pressure sensing plate; the detection module outputs control information of a key function associated with the sensing area according to the first detection result and the second detection result. In this way, false triggering can be avoided, and the use effect of the pressure sensing key is improved.
Owner:VIVO MOBILE COMM CO LTD
Control method and apparatus for mobile terminal and mobile terminal
ActiveCN105373209AImprove battery lifeSave powerPower supply for data processingComputer engineeringPower capacity
Owner:GUANGDONG OPPO MOBILE TELECOMM CORP LTD
Infrared remote controller code value conflict avoiding system and method
InactiveCN103686276ASolve the problem of code value conflictAvoid false trigger situationsSelective content distributionComputer hardwareInfrared
The invention provides an infrared remote controller code value conflict avoiding method. The infrared remote controller code value conflict avoiding method comprises the steps that a controlled device corresponding to an infrared remote controller provides modification instructions according to conflict buttons having conflicts, functions corresponding to the conflict buttons are changed to be triggered through second code values from being triggered through first code values by the controlled device according to the modification instructions, the controlled device sends the modification instructions to the remote controller, and the remote controller is instructed to change the code values corresponding to the conflict buttons to the second code values from the first code values. Therefore, the problem of the conflicts of the code values of the infrared remote controller is effectively solved through the mode of changing the code values, the situation that home appliances are mistakenly triggered due to the conflicts of the code values is avoided, and thus better experience effects are achieved.
Owner:LE SHI ZHI ZIN ELECTRONIC TECHNOLOGY (TIANJIN) LTD
Driving circuit of bidirectional thyristor in composite switch, three-phase intelligent commutation system and commutation method
ActiveCN109586321AAvoid short circuitAvoid failurePolyphase network asymmetry elimination/reductionPolyphase network asymmetry reductionCircuit reliabilityLow voltage
The invention discloses a driving circuit of a bidirectional thyristor in a composite switch, a three-phase intelligent commutation system and a commutation method. The driving circuit comprises parallel capacitors at two ends of the bidirectional thyristor, wherein the bidirectional thyristor is connected in series with a resistor and a parallel branch of a normally-open relay and then is accessed to a A-phase, B-phase or C-phase circuit, and a piezoresistor is connected in series between the A-, B and C-phase circuit and a null line and among the A-phase circuit, the B-phase circuit and theC-phase circuit. By the driving circuit, the working reliability of the circuit is ensured, and false triggering of a main circuit of the thyristor is prevented; the resistor is connected in series with the main circuit, interphase large current short circuit probably occurring in two phases is prevented, the resistor is circuit-shorted during the commutation process, the large-current commutationprocess cannot be affected, the reliability of the commutation circuit is improved, and meanwhile, the probability of a fault occurring in a power distribution network system is prevented; and with the adoption of a low-voltage and low-power trigger driving circuit, driving triggering is reliable, the output voltage waveform distortion is small during the commutation process, and the influence ona user is small.
Owner:UNIV OF JINAN
Control method, electronic equipment and nonvolatile computer readable storage medium
PendingCN110276186AImprove experienceQuick responseDigital data authenticationPrint image acquisitionComputer hardwareDisplay device
The invention discloses a control method, electronic equipment and a nonvolatile computer readable storage medium. The display device comprises a fingerprint identification module. The fingerprint identification area, corresponding to the display device, of the fingerprint identification module is located in the display area of the display device. The fingerprint identification area comprises a central area and a non-central area surrounding the central area. The control method comprises the steps: a touch position where a finger of a user touches a fingerprint recognition area is obtained; when the touch position is located in the central area, the fingerprint recognition module obtains a fingerprint image of a finger after a first response time period; and when the touch position is located in the non-central area, the fingerprint recognition module obtains a fingerprint image of the finger after a second response time period longer than the first response time period. According to the control method, different response times are set for the central area and the non-central area respectively, the response speed of the central area relative to the non-central area is high, the response speed can be guaranteed, and the situation of false triggering can be avoided as much as possible.
Owner:GUANGDONG OPPO MOBILE TELECOMM CORP LTD
Power conditioning circuit of resistance-type hot plate, and cooking utensil
The invention provides a power conditioning circuit of a resistance-type hot plate, and a cooking utensil. The power conditioning circuit of a resistance-type hot plate comprises a power module, a resistance-type hot plate module, a power driving module, a sampling module, and a microprocessor. The resistance-type hot plate module comprises at least a resistance-type hot plate and an auxiliary resistance-type hot plate. The resistance-type hot plate module is connected with the power module. The power driving module is connected with the resistance-type hot plate module. The power driving module is used to control whether the resistance-type hot plate module heats. The sampling module is connected with the power module. The sampling module is used to sample power supply signals of the power module. The microprocessor is connected with the power driving module and the sampling module. The microprocessor controls operating states of the power driving module according to the power supply signals, so as to adjust power of the resistance-type hot plate module and load power of the auxiliary resistance-type hot plate in real time. The technical scheme realizes effect that the microprocessor controls the power driving module according to the output signal of the sampling module, and power range of the resistance-type hot plate module is increased.
Owner:FOSHAN SHUNDE MIDEA ELECTRICAL HEATING APPLIANCES MFG CO LTD +1
Port entering and leaving control method of ship terminal with low power consumption
InactiveCN110189549AOvercoming barriers to recognitionFast recognitionNavigational calculation instrumentsMarine craft traffic controlInformation interoperabilityControl system
The invention discloses a port entering and leaving control method of a ship terminal with low power consumption. The control method based on port entering and leaving of the ship terminal with low power consumption comprises a management platform, a first RFID broadcast equipment, a second RFID broadcast equipment and a ship terminal; the ship terminal is provided with a processing module, a positioning module, a communication module and a RFID module; the communication module and the management platform exchange information in a remote wireless communication manner; a port entering signal ora port leaving signal is formed via a sequence that the ship terminal receives a first signal and a second signal, to be sent to the management platform for recording port entering or port leaving information, a positioning period parameter and a positioning information report period parameter are modified via the processing module of the ship terminal, to control positioning information collection and reporting frequencies of the positioning module and the communication module. The control method can timely record the port entering and leaving information of the ship, the implementation of the supervision function of the management platform is facilitated, the power consumption of the ship can be reduced, and the safe driving of the ship in and out of the port is ensured.
Owner:SILICON FIELD TECH
Parking lot water logging alarm system
InactiveCN109285326AAvoid false alarm situationsAvoid false trigger situationsAlarmsLoudspeakerAlert system
The object of the invention is to provide a parking lot water logging alarm system capable of issuing a notification timely and reliably. The parking lot water logging alarm system provided by the invention is composed of a water logging sensor, a server and a loudspeaker, the water logging sensor is in communication connection with the server, the server pre-stores a vehicle owner telephone number and is connected with a short message group sending device; the server is connected with the loudspeaker; and the server sends a caution short message to a vehicle owner according to an alarm signalof the water logging sensor and controls the loudspeaker to generate caution sound. The parking lot water logging alarm system provided by the invention abandons the traditional manual inspection andnotification mode, thereby greatly improving the reliability, and being very suitable for water logging prevention work of underground parking lots such as a community.
Owner:信宜奕龙实业发展有限公司
Anti-theft alarm method, device and terminal for automobile
ActiveCN112896096AAvoid false trigger situationsImprove the anti-theft effectAnti-theft devicesAlarm messageRadar signals
The invention relates to the technical field of automobile cabin theft prevention, and provides an anti-theft alarm method and device for an automobile and a terminal. The method is applied to an automobile anti-theft system, the automobile anti-theft system comprises an anti-theft radar arranged in an automobile, and the arrangement position of the anti-theft radar corresponds to a monitoring area. The anti-theft alarm method comprises the following steps: acquiring an echo signal of an anti-theft radar; detecting a target action in the monitoring area based on the intensity change of the echo signal; judging whether the target action is a theft action or not; and if the target action is a theft action, outputting alarm information. According to the invention, the characteristic of strong anti-interference capability of radar signals is utilized, false triggering caused by environment change is avoided, and the anti-theft effect is accurate and reliable.
Owner:WHST CO LTD
Cross-controller active damping anti-shake control method and system and electric vehicle
PendingCN111605411AQuick identificationTriggered quicklySpeed controllerDriver interactionsControl engineeringElectric machinery
The invention provides a cross-controller active damping anti-shake control method and system and an electric vehicle. The method comprises the steps that a vehicle control unit recognizes a working condition based on information acquired and processed in the vehicle running process; if the working condition is recognized to need anti-shake control, the vehicle control unit sends out a request signal for anti-shake control to the motor controller, and the request signal lasts for a preset time period; and the motor controller receives the request signal and performs graded active damping anti-shake control on the corresponding working condition. Through cross-controller-platform active damping anti-shake control of the vehicle control unit and the motor controller, the working condition can be recognized more quickly and better, anti-shake control can be carried out quickly, false triggering of active damping anti-shake control is prevented, the working range is safely limited, and theadaptability and universality are high.
Owner:NIO CO LTD
Display robot broadcasting device capable of keeping normal broadcasting
ActiveCN111599387ASolve the problem of blocked sound transmissionGuaranteed normal broadcastingReducing carrier contaminationRecord information storageEngineeringBroadcasting
The invention provides a display robot broadcasting device capable of keeping normal broadcasting. Broadcaster comprising a broadcaster shell, sound transmission holes which are uniformly distributedare formed in the mesh enclosure; springs are installed below the mesh enclosure, an air bag is installed on the right side of the fixed plate, a movable plate is fixedly connected to the right side of the air bag, a magnetic block is fixedly connected to the right side of the movable plate, an electromagnet is fixedly installed in the broadcaster shell, a rotating plate is rotatably connected tothe interior of the broadcaster shell and located below the switch, and a pressing plate is fixedly connected to the bottom of the mesh enclosure. When the sound transmission hole is blocked; mesh enclosure weight-variable downward movement, the pressing plate extrudes the rotating plate to rotate and contact the switch; the electromagnet has magnetism after being powered on, the movable plate ispushed to quickly move leftwards to compress the air bag under the action of like repulsive force of the magnet, air in the air bag is sprayed to the sound transmission holes to be blown and brushed,the function of automatic cleaning after the mesh enclosure is blocked is achieved, and the problem that sound transmission of the broadcasting device is blocked due to the fact that the mesh enclosure is blocked is solved.
Owner:青岛山景虚拟现实研究院 +2
Indoor environment safety monitoring system based on voice alarm
The invention discloses an indoor environment safety monitoring system based on voice alarm. The indoor environment safety monitoring system comprises a terminal mobile phone, a pyroelectric sensor, an infrared detection module, a single-chip microcomputer, a GSM module, a voice alarm chip and a loudspeaker, the pyroelectric sensor, the infrared detection module, the GSM module and the voice alarmchip are connected with the single-chip microcomputer; the voice alarm chip is connected with the loudspeaker, the GSM module is in communication connection with a bound terminal mobile phone througha GSM network; the infrared detection module and the pyroelectric sensor are combined, the infrared detection module is used for performing intrusion detection, the pyroelectric sensor is used for doing the activity detection of the thief, and the monitoring accuracy of the whole system is improved. Meanwhile, the voice alarm chip and the GSM module are utilized to timely feed back intrusion information of the thief in time, thereby the thief can be timely captured.
Owner:FOSHAN UNIVERSITY
Control pulse train generation method and device for thyristor control
ActiveCN111147047AValid triggerTrigger precisionPulse generation by bipolar semiconductor devicesControl objectiveControl engineering
The invention discloses a control pulse train generation method and device for thyristor control, and the method comprises the steps: S1, receiving a control parameter for controlling a target thyristor, generating a plurality of narrow pulses with the pulse widths smaller than a specified width according to the received control parameter, and obtaining and outputting a narrow pulse train; S2, performing interference pulse filtering processing on the narrow pulse train obtained in the step S1, and outputting the narrow pulse train obtained after filtering processing; S3, controlling narrow pulses in the narrow pulse train output in the step S2 after filtering treatment to be regenerated into pulses with required widths in sequence to obtain a final control pulse train, and outputting the final control pulse train to the target thyristor. The device comprises a narrow pulse group generation module, an interference pulse filtering module and a pulse group regeneration module. The methodhas the advantages of being simple in implementation method, low in cost, high in generation precision, flexible to implement, capable of ensuring thyristor triggering performance and the like.
Owner:CSR ZHUZHOU ELECTRIC LOCOMOTIVE RES INST
Automobile wading and soaking risk warning device and automobile with same
ActiveCN112896043AThe warning effect is accurateAvoid false trigger situationsSignalling/lighting devicesControl engineeringControl theory
The invention relates to the technical field of automobile part structures, in particular to an automobile wading and soaking risk warning device and an automobile with the same. The device includes a rotating shaft horizontally arranged in the Y direction, and a first support and a second support which are arranged on the rotating shaft in a sleeving manner; wherein a first rotating arm and a second rotating arm which extend in the direction perpendicular to the axial direction of the rotating shaft are arranged on the first support and the second support, and the first support and the second support can be rotatably connected to the rotating shaft around the axis of the rotating shaft; a trigger module is arranged between the first rotating arm and the second rotating arm; the triggering module is triggered to give an alarm by forming a passage through water between the two rotating arms when the end, away from the first support, of the first rotating arm and the end, away from the second support, of the second rotating arm are soaked in water at the same time. The rotating shaft is connected with a control module for controlling the rotating angles of the first support and the second support around the axis of the rotating shaft. The warning device is simple in structure and accurate in detection, false triggering can be effectively avoided, and the warning device can be applied to various scene modes.
Owner:DONGFENG MOTOR GRP
Vehicle-mounted function control method and steering wheel controller
ActiveCN107121944BAvoid false trigger situationsEasy to operateProgramme control in sequence/logic controllersSensing dataSteering wheel
The invention discloses a vehicular function control method and a steering wheel controller. The method comprises the following steps: receiving setting information of the anti-mistaken-touch function, and applying the setting information of the anti-mistaken-touch function to a steering wheel controller; detecting that the anti-mistaken-touch function of the steering wheel controller is opened; detecting that a button of the steering wheel controller is triggered, and generating a button instruction corresponding to the triggered button based on a vehicular function corresponding to the triggered button and a control item corresponding to the triggered button; and analyzing the state parameters of the steering wheel based on sensing data acquired, determining that the steering wheel is in a preset state based on the state parameters, and sending the button instruction. By implementing the vehicular function control method, the steering wheel controller can be prevented from being touched mistakenly, and the control precision of the steering wheel controller can be ensured.
Owner:TENCENT TECH (SHENZHEN) CO LTD +1
User state determination method and device, mobile terminal and vehicle
PendingCN112947833AGuaranteed uptimeAvoid false trigger situationsInput/output processes for data processingReal-time computingMobile phone
The invention discloses a user state determination method and device, a mobile terminal and a vehicle, the method is applied to the vehicle, the vehicle is in communication connection with the mobile terminal through Bluetooth. The method comprises the steps that multiple parts of position information sent by the mobile terminal are received, and an operation interface comprising a preset graphic area is displayed on the mobile terminal; determining position information of fingers of the user according to input operation of the user on the operation interface; according to the multiple parts of position information, judging whether the user performs continuous sliding operation in a preset graphic area or not; when it is judged that the user conducts the continuous sliding operation in the preset graphic area, it is determined that the user is monitoring the parking process of the vehicle in real time; and determining that the user does not monitor the parking process of the vehicle in real time when judging that the user does not perform the continuous sliding operation in the preset graphic area. According to the scheme, the state of the user can be accurately and effectively judged, the mistaken touch condition caused by accidental operation of the user, a mobile phone fault or network jamming and the like can be recognized, and the safety of the parking process is improved.
Owner:BEIJING ELECTRIC VEHICLE
Method for setting low-speed warning tone of pure electric vehicle
A pure electric vehicle low-speed warning tone setting method comprises the steps that firstly, a low-speed warning tone setting interface is entered by pressing an automobile instrument key for a short time, then a sound selection interface is entered by pressing the automobile instrument key for a long time, then sound selection is completed through the automobile instrument key, and finally an automobile instrument sends a selected sound number to a low-speed warning tone device. The follow-up speed warning tone device can make corresponding sounds according to the sound numbers when the vehicle runs at a low speed. The method not only realizes stable and rapid setting of the low-speed prompt tone, but also is low in cost.
Owner:DONGFENG AUTOMOBILE COMPANY
A postoperative rehabilitation device for patients undergoing abdominal surgery
The invention provides a postoperative rehabilitation device for patients undergoing abdominal surgery, which includes a bed body, a protective plate is movably inserted into the inside of the rotating plate through an elastic telescopic rod, the outer side of the elastic telescopic rod is fixedly connected with a limiting plate, and the right side of the fixed seat is movable. A handrail is connected, the left side of the handrail is movably plugged with a clamp, the right side of the clamp is rotatably connected with a baffle, the left side of the baffle is slidably connected with a push plate, and the inside of the fixed seat is rotatably connected with a detection plate. When the patient wants to fall due to dizziness when getting up, there will be a sudden impact on the handrail, and the handrail will drive the detection board to rotate rapidly. , the clamping plate is separated from the limiting plate under the pull of the tension spring, and the elastic telescopic rod quickly bounces up to push out the protective plate, and supports the patient's body through the protective plate, which can effectively prevent the patient from falling due to dizziness when getting up The utility model has the advantages of simple structure, safe and convenient use.
Owner:JILIN UNIV
Detection method for activating lock screen of computer screen
ActiveCN113076005AAuto lock screenAvoid misjudgmentInput/output for user-computer interactionHardware monitoringEngineeringLock screen
The invention relates to a detection method for activating lock of a computer screen, which comprises the following steps that an ultrasonic ranging module is used for detecting whether a target exists in a detection range; if the target exists in the detection range and the distance of the target does not change in a plurality of seconds, the target is judged to be not a human body, the ultrasonic ranging module transmits a signal to the computer, and the computer automatically locks the screen; if the target exists in the detection range and the distance of the target changes in several seconds, the target is judged to be a human body, and the computer screen is normally used; if no target exists in the detection range, the ultrasonic ranging module transmits a signal to the computer, and the computer automatically locks the screen. According to the detection method for activating the lock screen of the computer screen, delay processing and judgment of various conditions can be carried out according to the signal of the ultrasonic ranging module, and the functions of direct judgment, static judgment and delayed lock screen are achieved.
Owner:GUANGZHOU NANTIAN COMP SYST +1
A display robot broadcasting device that maintains normal broadcasting
ActiveCN111599387BSolve the problem of blocked sound transmissionGuaranteed normal broadcastingReducing carrier contaminationRecord information storageEngineeringAirbag
Owner:青岛山景虚拟现实研究院 +2
Power Conditioning Circuits and Cooking Appliances for Resistive Hot Plates
ActiveCN106033228BMeet heating needsIncreased operating power rangeElectric variable regulationOne-hotResistive load
Owner:FOSHAN SHUNDE MIDEA ELECTRICAL HEATING APPLIANCES MFG CO LTD +1
A yag welding machine component that improves output energy stability in peak state
ActiveCN112846503BRealize early cooling and coolingImproved output energy stabilityLaser beam welding apparatusEngineeringMachine
Owner:深圳镭锳激光科技有限公司
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