56results about How to "Meet portability requirements" patented technology

The invention discloses OCT-based in-situ three-dimensional printing skin repairing equipment and an implementation method thereof. The implementation method comprises the following steps: scanning a skin injury region by adopting an OCT technology to acquire a high-resolution three-dimensional skin injury OCT image; carrying out three-dimensional bionic structural design and modeling on the skin injury part based on the OCT image so as to ensure the reconstruction requirements of skin repair to layered interfaces and vascular networks in tissues; and then, transmitting the modeled skin injury repair model data to a 3D biological printer to carry out model layering and printing, thereby implementing quick, accurate and in-situ repair on the injured part. The OCT-based in-situ three-dimensional printing skin repairing equipment has the advantages of no contact, no injury and real-time imaging, meets the requirement of skin in-situ printing on high-resolution imaging of internal micro-structures, and can acquire distribution and density information of blood vessels in the skin corium layer so as to be convenient for constructing a three-dimensional model closer to real skin structures and functions.

The invention provides a wearable assistance finger based on myoelectric control. The wearable assistance finger comprises an under-actuated simulated human finger, a magnetic coupling interface, a rehabilitation assistance connector, a myoelectric collecting array, a servo motor and a control system, wherein the under-actuated simulated human finger adopts a mixed driving mode of connecting rod driving and driving tendon driving, and the requirement of moving the patient finger joints is sufficiently met. Meanwhile, a control method of the wearable assistance finger based on myoelectric control is provided. The wearable assistance finger has the advantages of simple structure, light weight and good reliability. A force sensor and a position sensor are connected onto a driving tendon, the force and the position for driving the finger to move can be obtained through the telescopic movement of the driving tendon, and the quantification index can be provided for the rehabilitation process. The wearable assistance finger has the advantages that the structure is simple, the cost is low, the operation and the wearing are convenient, the man-machine interaction performance is good, the obstruction caused by muscle and joint rigidity can be effectively overcome, the patient can obtain effective rehabilitation treatment, and better application prospects are realized in the fields of finger rehabilitation and the like.

The invention relates to a monocular vision box body volume measuring method based on multi-line structural light image recognition. The monocular vision box body volume measuring method comprises thefollowing steps that (1) a camera is calibrated, and multi-line laser plane parameters are acquired; (2) calculation of mapping of two-dimensional coordinates to three-dimensional spatial coordinatesis conducted; (3) the box edges are detected and the laser central line is extracted by using a deep learning method; and (4) structural light with a well shape, structural light with a dual-parallel-line and structural light with a cross shape are correspondingly used for measuring different box bodies to obtain the volumes of inerratic box bodies. According to the monocular vision box body volume measuring method based on multi-line structural light image recognition, the multi-line structural light (the well shape, the cross shape and the parallel line shape) is casted on the measured boxbody plane, intersection points of the line structural light and the edges of the boxed are detected through imaging processing, the points are converted from the two-dimensional coordinates to three-dimensional spatial coordinates according to a structural light triangulation measuring theory to calculate the lengths, the widths and the heights of the inerratic box bodies, and the volumes are further calculated. According to the monocular vision box body volume measuring method based on multi-line structural light image recognition, the complexity of the algorithm is low, the method can be greatly applied to PC terminals and mobile terminal devices, real-time on-line measuring can be conducted, and the requirement of portability is met.

The invention relates to a traffic information communication system, which comprises a data collecting module which is used to obtain road traffic information of each road section and a data processing module which is used to store a database of the road traffic information of each road section, wherein each road section is respectively marked, the road traffic information can be processed into a data packet which accords with a transmission protocol, the road traffic information of each road section can be corresponding to a label of the road section in the data packet, the traffic information communication system also comprises a data sending unit which is used to modulate the data packet into a simulation radiofrequency signal to transmit and an information obtaining terminal which comprises a data receiving unit which is used to receive the data packet and a storage unit which is used to store an electronic map, wherein each road section in the electronic map is respectively marked with the label, the label is same with the label which represents same road section in the database of the data processing module, the information obtaining terminal also comprises a processing unit which is used to decode the data packet which is received by the data receiving unit and to reflect the road traffic information on a corresponding road section of the electronic map, and an information output unit which is used to output the electronic map which reflects the road traffic information.

The invention provides a micro electromechanical device and a manufacturing method thereof. The manufacturing method comprises the following steps of: providing a base plate and a semiconductor substrate, wherein a control circuit is formed on the semiconductor substrate; forming a base plate sacrificial layer on the base plate; forming a semiconductor material layer on the base plate sacrificiallayer; forming an interlayer dielectric layer covering the control circuit on the semiconductor substrate, wherein an interconnection structure electrically connected with the control circuit is formed on the interlayer dielectric layer; performing a bonding process to bond the interlayer dielectric layer and the semiconductor material layer together; removing the base plate sacrificial layer, and separating the base plate and the semiconductor material layer; and manufacturing the micro electromechanical device electrically connected with the interconnection structure on the semiconductor substrate by using the semiconductor material layer. The embodiment of the invention improves the integration level of the micro electromechanical device to meet the requirement on portability in application.

The invention relates to a low-power-consumption portable Bluetooth intelligent lock and belongs to the technical field of wireless communication. The low-power-consumption portable Bluetooth intelligent lock comprises a user terminal and an intelligent lock body; the user terminal is communication with the intelligent lock body through Bluetooth. The user terminal is an intelligent terminal suchas an intelligent mobile phone or a tablet computer, and a user can install special intelligent unlocking software in the user terminal and uses the intelligent unlocking software to complete the functions such as starting and connection of the Bluetooth and sending of unlocking codes; the intelligent lock body comprises a lock body and a lock control assembly; the lock body comprises a lock shell, a bearing and a lock beam. The lock control assembly comprises a DA14580 control and communication module, a key module, an LED lamp module, an alarm module, a spring bolt control module, a batteryrear cover opening module and a power module. Compared with the prior art, the low-power-consumption portable Bluetooth intelligent lock has the advantages of being low in power consumption, small insize, portable, safe, convenient to operate and the like.

The invention discloses a portable high frequency electric knife controller which comprises a central control module, a driver module, a power output module, a signal acquisition module and a power supply nodule. For the central control module, (A) is used to provide a PWM driving signal for the driver module; (B) is used to detect a system power supply signal feed backed by the power supply nodule; (C) is used to control the working model of an inverted rectifying circuit in the power supply nodule; (D) is used to scan and detect an electric knife handle and a patient counter electrode; (E) is used to provide a man machine interface connected with an external parts; the combined application of the controller and the high frequency accessory of the invention is wider than the application scope of the common high frequency electric knife. The invention is particularly suitable for the first aid of field wounded personnel, the first aid of war wounded personnel and the first aid of traffic accident wounded personnel, suitable for the first aid of field engineer wound personnel, suitable for the first aid of offshore wounded personnel, suitable for all occasions without a power supply condition, suitable for the cutting and the arrest bleeding of open wounded personnel, and suitable for the first aid of an accident event, such as the first aids of earthquake wounded personnel, water flood wounded personnel, typhoon wounded personnel, war wounded personnel and traffic accident wounded personnel.

The invention provides a safety shield, and a digital-certificate management system and method. The safety shield includes a communication interface and an intelligent chip. The intelligent chip includes a storage unit which is connected with the communication interface and receives and stores an activation data subkey (ADK) subkey and a certificate public key (CPK); an activation unit which is connected with the communication interface so as to receive the activation data and use the ADK subkey to decipher the activation data so as to activate the intelligent chip; and a processing unit which is connected with the communication interface so as to receive an application installation certificate AIC and a public key infrastructure (PKI) application and verify the AIC according to the CPK and install the PKI application under a condition that the verification of the AIC is passed. Through use of the safety shield, and the digital-certificate management system and method, management of at least one digital certificate can be realized.

The invention discloses a miniaturized integrated ultrasonic cell disruptor. The disruptor comprises a main box body, the main box body is further internally provided with a circulating cooling tank and a refrigeration mechanism, and the circulating cooling tank comprises a hollow cooling tank body; the cooling tank body is internally provided with an inner cavity wall, the inner cavity wall separates a cavity of the cooling tank body into an inner part and an outer part, wherein the tops of the inner part and the outer part are communicated with each other; the inner cavity wall is provided with a water inlet, the outer wall of the cooling tank body is provided with a water outlet, and the water inlet and the water outlet are communicated with a cooling water outlet pipe and a cooling water inlet pipe of the refrigeration mechanism respectively; a reaction container is installed in the cavity of the inner part of the cooling tank body and is cooled by cooling water provided by the refrigeration mechanism. The ultrasonic cell disruptor achieves the integration of an ultrasonic cell disruptor; moreover, when the integration is achieved, the size of a cooling system is greatly reduced, and therefore the miniaturization of the entire ultrasonic cell disruptor is achieved.

The invention discloses a step-down integrated circuit and an electronic cigarette, wherein the step-down integrated circuit comprises a power supply module, a step-up charging module, a controller module, a driving module and a feedback operational amplification module which are integrated in an integrated chip, wherein the step-up charging module is used for boosting voltage input by an external power supply and charging batteries; the power supply module is used for supplying power to the controller module and the driving module; the operational amplification module is used for acquiring the sampling voltage of the output end of a peripheral power circuit and feeding the sampling voltage back to the controller module; and the controller module is used for controlling the starting or closing of the step-up charging module and the power supply module and controlling the driving module to output a PWM signal according to the sampling voltage input by the operational amplification module so as to drive the switching-on or switching-off of an external switch tube. The technical scheme disclosed by the invention realizes the step-down integrated circuit applied to the electronic cigarette, little space is occupied, and the interference resistance is high.

The invention discloses a floor type automatic puncture device for tumor radioactive seed implantation treatment. The main functions of the floor type automatic puncture device comprises the positioning of a puncture needle guide module and the automatic puncturing of a puncture module. The floor type automatic puncture device has the advantages that tumor puncture of different parts can be achieved by replacing different guide devices, the guide module and the puncture module implant seeds into the corresponding part in a coordinated manner to achieve precise implantation, and accordingly precise radiotherapy is achieved; when the floor type automatic puncture device is used, the device is placed beside a CT bed, the guide module precisely position the guide device to the treatment part,and the puncture module implant a puncture needle into a human body to achieve precise radioactive seed implantation; the floor type automatic puncture device is stable in structure, precise, efficient and capable of being used as the reference of radiotherapy seed implantation auxiliary equipment; the positioning of the guide module and the puncture module adopts rotation freedom degree, workingspace is increased, the extending part can be folded and retracted after work, space occupation is reduced greatly, and moving is facilitated; key freedom degrees are provided with limit sensors to guarantee moving safety.

The embodiment of the invention provides a passive radiator tuning box, which comprises a bracket, a loudspeaker, a passive diaphragm and a limit elastic wave, wherein the bracket forms a cavity withan opening at one end; the loudspeaker at least includes a voice coil and a cone, and the loudspeaker is fixed in the cavity by connecting the passive diaphragm and the limit elastic wave; the passivediaphragm is arranged around the cone and is arranged at the opening end of the cavity together with the cone; and the limit elastic wave is connected between the lower end of the loudspeaker and thebracket and used for supporting the loudspeaker and preventing transverse movement of the loudspeaker. According to the embodiment of the invention, the upper end of the loudspeaker is provided withthe passive diaphragm connected with the bracket, and the loudspeaker and the passive diaphragm are arranged in a two-in-one manner, thereby being capable of designing the overall PR tuning box to besmaller in size so as to be applicable to small-size portable sound boxes, and meeting the requirement of being portable of consumers.

The invention provides a close-contact wireless speaker, which includes a box body, a U-shaped through groove is opened on the upper surface of the box body, and the two sides of the U-shaped through groove are magnetic induction areas; the two long sides of the box body are provided with speaker areas , one wide side of the box is provided with an external interface area, the external interface area includes a power switch, a Micro USB interface and a 3.5mm headphone jack; there is a circle of LED indicators on the surface of the box, and the LED indicator is located between the speaker area and the external interface area There is a circuit board inside the cabinet, and the circuit board includes a preamplifier module, an equalizer module, a power amplifier module, a processor module and a power management module. The present invention uses near-field magnetic coupling induction technology to transmit audio data so that any mobile device with a built-in speaker can play music as long as it is placed in the U-shaped slot of the speaker without loading any software or making any settings.

The invention provides a simple rotary folding ruler. The simple rotary folding ruler comprises a main ruler and an auxiliary ruler. One end of the main ruler is hinged to one end of the auxiliary ruler through a pin. The simple rotary folding ruler is characterized in that the main ruler is provided with a containing groove, and the length direction of the containing groove is parallel to the length direction of the main ruler; when the main ruler and the auxiliary ruler are in a folded state, the auxiliary ruler is stored in the containing groove; when the main ruler and the auxiliary ruler are in an unfolded state, the auxiliary ruler leaves the containing groove; the containing groove is provided with a downward exit and entrance, and the auxiliary ruler goes into or leaves the containing groove through the exit and entrance. According to the simple rotary folding ruler provided by the invention, as the main ruler is hinged to the auxiliary ruler, a user only needs to use the main ruler when a short line needs to be measured or drawn; when a long line needs to be measured or drawn, the user can unfold the auxiliary ruler to enable the main ruler to be flush with the auxiliary ruler, the whole length of the ruler is extended. Meanwhile, the requirement for portability of a ruler body is met, and the measuring or drawing precision is improved.

The invention relates to the technical field of testing of fatigue of an operation spring of a circuit breaker and in particular discloses a testing device for the fatigue of an operation spring of a high-voltage circuit breaker. The testing device comprises an intelligent handheld collection probe, a testing module which is connected with the intelligent handheld collection probe through an automatic electronic switching circuit, communication interfaces connected with an upper computer and a storage module, wherein the testing module is connected with the upper computer through a filtering and amplifying circuit, a multi-way switch and an A/D (Analogue/Digital) converter in sequence; the testing module comprises a magnetic memory sensor and a plurality of sensors which are used for detecting vortex and have different frequencies; the multi-way switch is connected with a power supply through a DC/DC (Direct Current/Direct Current) converter; the intelligent handheld collection probe is further connected with a temperature sensor and a reversible photoelectric encoder; the temperature sensor and the reversible photoelectric encoder are connected with the multi-way switch; the communication interfaces comprise a USB (Universal Serial Bus) interface and an RS232 interface. The testing device provided by the invention has the advantages of light equipment, high sensitivity and simplicity for operation, can be used for detecting a fatigue index of the spring and can provide data analysis.