41results about How to "Limited time" patented technology

The present invention relates to the field of intelligent televisions, and discloses an intelligent television playback control system and method. A playback control function of the intelligent television in a kid mode is provided for parents and can effectively protect physical and mental health of kids. The method comprises a first step that after a user turns on the intelligent television, it is identified and determined that a current user is a kid user or an adult user according to voice, if the current user is the kid user, a second step is performed, and if the current user is the adult user, the intelligent television is used normally; and the second step that the intelligent television enters the kid mode, and enables a function of protecting the kid in watching TV according to configuration information stored in a user information storage module and a determining result of an infrared sensing module.

The invention relates to a system and method for removing hair. The system comprises a hair detection device and a hair-removing device (20). Since 3D information on hairs (32) is required, but due to the very dispersed presence of, e.g., human hairs (32) on skin (30), known detection devices are too slow, the invention provides a combination of two image sensors. A first image sensor (12) produces a first image, based on which a selected part is imaged with a second image sensor (14) that provides the required 3D position information with which the hair-removing device (20) can remove the hair. Thus, optimum use may be made of both fast but less accurate image sensors, such as (2D) CCDs or CMOS sensors, and accurate but slow sensors such as 3D scanning sensors.

Featured is an ignition system using miniaturized hot surface igniters of various types, configurations, and material systems. The ignition system includes an electronic microprocessor on which a software program is executed so as to control the operation of an igniter and all functions of the ignition system. The software program evaluates performance characteristics relating to operation of the igniter. Additionally, the software program determines operation parameters and characteristics for energizing the igniter when it determines that the operation parameters and characteristics for energizing should be updated or revised.

The invention discloses a live line measurement device for the oil level of an expansion tank of an oil-immersed transformer. The live line measurement device comprises an upper-section measuring rod, a middle-section measuring rod, a lower-section measuring rod, a float, a tripod and a hose. The upper-section measuring rod, the middle-section measuring rod and the lower-section measuring rod are hollow insulation rods and are detachably connected to form a hollow straight rod, the float is arranged in the hollow straight rod, the tail end of the bottom of the lower-section measuring rod is fixed to the top of the tripod and connected with one end of the hose, the other end of the hose is connected with an oil injection and drain valve of the oil-immersed transformer through a connection port, and the side face of the upper-section measuring rod is provided with scale marks and a corresponding observation window. According to the principle of communicating vessels, the live line measurement device can be used for measuring the actual height of the oil level in the expansion tank of the transformer accurately, and is simple to operate, convenient to carry and good in safety.

A vehicular lamp used in a vehicle, includes: a light source including a light-emitting diode for emitting light in accordance with power received from a power supply provided in the outside of the vehicular lamp; a lamp body for accommodating the light source therein to protect the light source from water; and a breaking detection unit for detecting breaking of the light source and notifying the outside of the lamp body of the detection result.

A method for estimating a transmissibility of a clutch in a vehicle powertrain, comprises the steps of : a) cutting off fuel supply of an engine driving a first side of the clutch, b) setting a clutch pressure between first and second sides of the clutch to a positive value at which there is a non-zero difference between angular accelerations at the first and second sides of the clutch (S3, S4), c) deriving said estimated transmissibility from a deviation between said angular acceleration difference and an angular acceleration caused by a drag torque of the engine (S7).

A video infrared detection intelligent access control management system comprises an entrance/exit control subsystem, a network communication subsystem and a center management subsystem, performs construction by selecting video detection, identification and infrared auxiliary detection methods instead of a ground sense detection coil technology needing large construction quantity, and is novel and reasonable in design, simple in structure, convenient to mount and convenient in later maintenance, reduces cost and reduces construction quantity.

The invention discloses a portable transmitter calibrator, comprising a voltage stabilizing transformer, an alternating-current constant voltage and constant current module, a program controlled resistor module, a DSP (Digital Signal Processor) controller and a human-computer interface, wherein the alternating-current constant voltage and constant current module comprises a rectifying circuit, an inverter, a filter and a sampling adjustment circuit; the inverter comprises an intelligent power module and a photoelectric isolating drive circuit; the voltage stabilizing transformer is connected with a transmitter to be calibrated; the output end of the sampling adjustment circuit is connected with the DSP controller; the program controlled resistor module is separately connected with the DSP controller and the transmitter to be calibrated; and the human-computer interface is connected with the DSP controller. The portable transmitter calibrator can realize convenient calibration for multiple transmitters, has the characteristics of multiple functions, small size, light mass, portability and the like, and can significantly improve the convenience of transmitter calibration and save money.

The present invention provides a device and a method for restriction of usage time of a mobile phone. The device comprises a box body, a cover plate and an electromagnetic lock, the box body is provided with a control device and an audio signal receiving device, the audio signal receiving device is configured to receive audio output signals of the mobile phone, the data input end of the control device is connected with the audio signal receiving device, the data output end of the control device is connected with the electromagnetic lock, and when the audio signal receiving device receives predetermined audio signals output by the audio output device of the mobile phone, the control device opens the electromagnetic lock. The device and the method for restriction of usage time of the mobilephone can better efficiently restrict the time of students playing the mobile phone so as to overcome the defects that the usage time of the mobile phone cannot be restricted due to restriction limitation by employing methods such as restarting and closing of the APP.

The invention discloses a glasses device capable of reminding a user of eyestrain. A micro infrared sensor for reminding the user of keeping a distance away from a book and a computer screen and a device for testing eyestrain, limiting eye use time and reminding the user of closing the eyes for rest are arranged in a glasses framework.

The invention discloses a privacy protection system and method based on big data analysis and trusted computing. The privacy protection system comprises a user side, an authentication server and an access terminal, the user side is in wireless connection with the authentication server and the access terminal, the authentication server is in wireless connection with the access terminal, the privacyprotection system further comprises an alarm module, and the alarm module is in wireless connection with the authentication server and the access terminal. The user side comprises a login module, a first receiving module, an analysis module, an encryption module and a first output module, the login module and the first receiving module are electrically connected with the analysis module, and theanalysis module, the encryption module and the first output module are electrically connected in sequence; the module is reasonable in design, the privacy protection strength is improved by endowing the pseudonym operation through the authentication server, meanwhile, during network access, the situation that a user reduces the privacy leakage risk can be effectively avoided, and high practicability is achieved.

The invention relates to a pile pressing machine which comprises a press machine body and a chuck (5). The chuck (5) is connected to the press machine body through a pin shaft. The press machine body comprises an upper machine body (1), a sliding seat (2), a base (3) and fixing clamps (4). The fixing clamps (4) are connected with the base (3). The base (3) is connected with the sliding seat (2). The upper machine body (1) is arranged on the sliding seat (2) and provided with installation holes (6) and a controller (7). The installation holes (6) are used for being connected with other components. The chuck (5) comprises a protecting mechanism (503), a hydraulic mechanism (501) and a clamping mechanism (502). By the adoption of the pile pressing machine, a pile planting manner is changed, hydraulic pressure is adopted for planting a pile, and the pile pressing machine has the beneficial effects of being low in noise, small in vibration, small in influence on a soil layer and the like.

The invention discloses a network panel locking control device of network refrigerator, which is characterized by the following: assembling or dismounting the network panel on or from the network refrigerator through the locking or unlocking operation; setting the locking device on the host of network refrigerator; inputting the prior setting code through the network panel when canceling locking state; sending the unlocking signal due to the consistent code. The invention prevents the children or unfamiliar from demounting the network panel, which reduces the damage or burglar.

The invention discloses an electrolytic aluminium crust breaking cylinder feedback valve, which comprises a back-up ring (1), an O-shaped loop (2), a gland (3), a spring (5), a special-purpose seal (6) and a contact rod (7), wherein the O-shape loop (2) is installed inside the groove of the gland (3), which is fixed on a front cover (8) through the back-up ring (1); the spring (5) is installed inside a counter bore of the gland (3); the special-purpose seal (6) is connected with the contact rod (7) through a nut (4). After crust breaking by the cylinder is completed, the electrolytic aluminium crust breaking cylinder feedback valve will immediately sound a feedback signal so as to control the cylinder to rapidly withdraw, limit the residence time of a hammerhead in an aluminium liquid, detect the state of the hammerhead in the aluminium liquid and raise the purity of the aluminium liquid.

In order to monitor the adjustment state of the entrainers (1), which are arranged in each case in pairs transverse to the feed direction (4), of a feed chain (2), it is proposed to arrange an adjusting station along the guide of the feed chain (2) and to arrange a measuring station at a spaced interval therefrom. The adjusting station serves to adjust manually the entrainers (1) in a common adjusting plane extending perpendicular to the feed direction (4), whereas the measuring station is arranged to detect the adjustment position of the two entrainers (1) in a measuring plane likewise perpendicular to the feed direction (4) and, in accordance with a tolerance field which can be defined by the user, to generate an error signal which at the same time renders it possible to identify maladjusted entrainers (1).

The present invention relates to a processing device for modifying a surface or an interior of an object to be processed by using an ultrashort pulse laser, the device including: a stage for loading an object to be processed; a laser beam radiating device including a laser source generating an ultrashort pulse laser beam, and a laser processing optical system for radiating laser beam toward the object to be processed loaded on the stage; a laser beam controller capable of setting a laser process condition and three-dimensional spatial coordinates of the object to be processed; and a scanning electron microscope through which the surface of the object to be processed is observed, and a method of modifying, by using the processing device, an object to be processed by cutting a part thereof or processing a surface thereof by using an ultrashort pulse laser.

The invention discloses an audio signal processing method and device. The method comprises following steps of receiving a sound signal; processing the signal through executing functions of a hardware layer module, an interrupt layer module and multiple processing modules, thus playing the sound signal; according to the load capacity of the processing unit in an electronic device during the signal is processed, setting a signal processing period between the hardware layer module and the interrupt layer module; according to the signal processing period, setting the buffer size of the hardware layer module as the minimum reference size; and setting the buffer sizes of the interrupt layer module and the processing module to be less than or equal to the reference size.

In a magnetic resonance installation and a corresponding method, a scan sequence is determined based on a representation in k-space of a pulse response of a gradient system of the magnetic resonance installation.

The invention discloses a remote collaborative conference system and a working method thereof, and relates to the technical field of remote conferences. In order to solve the problem that corresponding documents and pictures cannot be displayed on a conference picture in real time so that people participating in a conference can clearly contrast and check the documents and the pictures. The system specifically comprises a conference host unit, a conference terminal unit and a cloud server, wherein the conference host unit comprises a host voice and video module used for processing videos and voices during a conference, and an arrival statistical module used for performing statistics on personnel arrival conditions; the working method of the system comprises the following steps: a conference host shoots pictures and sounds of a conference site through the host audio acquisition sub-module, and uploads conference files through the file uploading sub-module. According to the invention, both the conference host and the conference participants can upload and download the files related to the conference, and the corresponding files are displayed through the file display sub-module, so that the participants can report related problems in detail.

The invention discloses a terminal and a method for automatically entering a sleep mode of the terminal. The method comprises the steps of pre-setting a start moment and a finish moment of the terminal entering the sleep mode when the terminal is in an unlock state, wherein the preset function of the terminal in the sleep mode cannot be used; enabling the terminal to enter the sleep mode when the start moment is reached; and allowing a user to use the preset function by the terminal when the finish moment is reached. By the terminal and the method, the time of the user for using electronic equipment such as a mobile phone can be limited, and a good health is promoted.

The invention relates to an LF (ladle furnace) refining method of low-carbon steel. The comprises the following steps that 1) the endpoint carbon of a primary smelting furnace is controlled to be 0.07-0.09%, and alloy and slag charge are added into the steel along with steel flow in the tapping process of the primary smelting furnace; 2) after molten steel reaches a refining position, power supply begins, silicon carbide and a carburant are added for diffusion deoxidation, and argon is blown at the bottom of a large ladle; and (3) after slagging, power is shut off, argon bottom blowing is conducted for stirring, a primary sample is taken for analysis, the result is analyzed, the content of molten steel components is adjusted according to the targeted component requirement, then argon bottom blowing is conducted for stirring, sampling analysis is conducted again till the components of the molten steel meet the targeted component requirements, and then tapping is conducted to obtain the low-carbon steel. According to the method, the using amount of deoxidizing materials such as the carburant and silicon carbide and the using amount of the bottom blowing argon in the refining diffusion deoxidizing process are quantified, the influence of human factors is reduced, the problems that the using amount of the carburant and the silicon carbide is greatly changed and molten steel components are greatly fluctuated in the refining diffusion deoxidizing process of the molten steel are solved, and standardized operation of the molten steel in the refining process can be facilitated.

The invention relates to an information reminding method and apparatus. The method comprises the steps of obtaining parameters acquired by sensors arranged around a lens of a shooting apparatus; judging whether the lens is touched or not according to the obtained parameters; and determining whether information of reminding the lens of an unclean state is output or not according to a judgment result. According to the method and the apparatus, the parameters acquired by the sensors arranged around the lens of the shooting apparatus are obtained, whether the lens is touched or not is judged according to the obtained parameters, and whether the information of reminding the lens of the unclean state is output or not is determined according to the judgment result; and the lens become unclean after being touched, so that the lens is reminded about the unclean state for reminding a user to clean the lens, and the quality of shot images is ensured.

Originating from a novel and an exact algebraic formula for the impulse response of a plane acoustic reflector at zero offset due to a point acoustic source the present invention provides a method for computing an exact impulse response of a plane acoustic reflector at zero offset due to a point acoustic source; and originating from the method, methods for testing and validating algorithms for numerical modeling of seismic reflection, seismic migration and seismic inversion; a method for testing the efficacy of ray-theoretical solution for a given source-reflector configuration; another method for computing zero-offset reflection response of a circular reflector at its central axis; yet another method for validating an interpretation of a reflector as a planar structure; still yet another method for estimating the seismic source-time function when the zero-offset reflection response of a plane reflector is given. Although the algebraic formula and the methods originating from it are, in a strict sense, valid for an acoustic earth and an acoustic source, these would also be of immense utility in the seismic industry where the earth is successfully approximated as an acoustic medium and a seismic source as an acoustic source.

The invention relates to a locking device of a television, belonging to the technical field of locking device structures. The locking device of the television comprises an input power line 1 and an output power line 2. The locking device is characterized in that a locking switch used for controlling the connection and disconnection is arranged between the input power line 1 and the output power line 2. The locking device of the television has reasonable structure design and safe and reliable use, and limits the time spent by teenagers for watching television by manually controlling the use of the switch of the television, thus guaranteeing the healthy and study improvement of teenagers.

A cartridge (2) comprises a base (10), a slide (20), a thermostatic actuator (30, 34), a cover (40), and a regulation and control system (50). The base comprises two base parts (11, 12) which, in an assembled state, are superimposed one against the other along an axis (X-X) with the interposition of a seal (13) and which jointly define a mixing chamber. The slide is movable in the chamber in orderto inversely vary the flow sections of two passages, which are respectively supplied through one of the two base parts and which are delimited axially between the slide and respectively one and the other of the two base parts. The thermostatic actuator is arranged in the chamber and moves the slide to a regulation position as a function of the temperature of the mixture exiting the chamber. The cover is, in an assembled state of the cartridge, secured to the base. In order that this cartridge is fast and convenient to assemble, a first of the two base parts comprises at least one tab (14), which extends parallel to the axis, which, at a first axial end is connected to the rest of the first base part in both an axially fixed manner and a deformable manner to allow elastic deflection of thetab transversely to the axis, and which at its second axial end is provided with both at least one retaining surface, against which the second base part bears axially to hold the two base parts together, and a protruding relief (18) which is adapted to interact with the cover so that, during assembly between the cover and the base, the cover and the protruding relief slide against one another todeflect the tab towards the axis and, in the assembled state of the thermostatic cartridge, the protruding relief engages a hole (41) of the cover to axially retain the cover relative to the base.

The invention relates to a remote control method for a programmable children remote controller. The method comprises steps that A, whether a children remote control option switch is open is determined after a TV is electrified, if yes, a power-on instruction sent by a children remote controller is received and is further executed; if not, the instruction of the children remote controller is received, and no response is carried out; B, the power-on instruction sent by the children remote controller is received by the TV, whether a remote controller is the children remote controller is identified by the TV, if yes, whether the present time is in the configured children power-on time interval is checked, if yes, the TV starts, the control instruction of the children remote controller is executed, and physical buttons of corresponding functions of the TV are further closed, if not, power-on display is the no TV time, a power source of the TV is turned off, if the remote controller is not the children remote controller, response to a control instruction of a main remote controller is carried out. The method is advantaged in that remote control on the TV is realized through the children remote controller for function restrictions, the TV watch time and contents of children and teenagers can be effectively monitored and limited, and physical and mental health is guaranteed.