32results about How to "Long operating distance" patented technology

The invention belongs to the safety check technology field and particularly relates to a motion human body safety check imaging system and method. The system comprises a synthetic aperture radar (SAR) subsystem, a tracking positioning subsystem and a central processing subsystem, wherein the SAR subsystem is used for carrying out microwave or millimeter wave SAR imaging for a human body in motion, the tracking positioning subsystem is used for tracking and positioning the human body and parts of the human body to acquire the three-dimensional position and attitude information at any time, the central processing subsystem is used for controlling the whole system, processing the acquired data, displaying processing results to users and especially carrying out focusing imaging of the original data acquired by the SAR subsystem through utilizing the position and attitude information of the human body and the parts acquired by the tracking positioning subsystem to acquire SAR images of the human body or the parts. The system is advantaged in that the system aims to realize automatic detection on security threats and prohibited articles carried out by people, and the method is applicable to busy flow public facility and public party and border port occasions.

The invention discloses a cooperated microphone voice control system and method of intelligent household. The control system comprises a signal collection module, a control center module and a cloud server, and the control center module further comprises a voice monitoring module, a data fusion module and a reverberation reducing preprocessing module. The control method comprises that the signal collection module collects voice signals; the control center module reduce noise of the voice signals; and the cloud server identifies the voice signals and analyzes a voice instruction. The voice signals are monitored, data is fused, and reverberation reducing preprocessing is carried out, so that the ambient noise and room reflection are effectively inhibited, voices are prevented from distortion to the largest degree, and the accuracy of subsequent voice identification can be ensured.

Provided is a surface-mount type electric connecting terminal which is disposed between opposing conductive objects and is configured to electrically connecting the objects while easily adjusting pressing force and recovery force. The electric connecting terminal includes a cylindrical fixed member which is made from a metallic material; a cylindrical movable member which is slidably inserted in the fixed member and is made from a metallic material; and an electrical conductive spring which is accommodated in the fixed member and whose one end contacts with the bottom of the fixed member and the other end contacts with the bottom of the movable member for thereby allowing the movable member to elastically slide against the fixed member.

An antenna for a Radio-Frequency IDentification (RFID) system is disclosed that comprises a pair of resonant cavities. The antenna is realized by folding the ends of a ribbon of conductive material, such as metal foil, over the middle part of the ribbon. The antenna generates a higher voltage than prior-art antennas used in RFID systems, and it makes possible RFID systems with an improved range. In an alternative embodiment, the antenna comprises a reflector that enables the RFID system to better tolerate the presence of nearby metal objects.

Provided is a surface-mount type electric connecting terminal which is disposed between opposing conductive objects and is configured to electrically connecting the objects while easily adjusting pressing force and recovery force. The electric connecting terminal includes a cylindrical fixed member which is made from a metallic material; a cylindrical movable member which is slidably inserted in the fixed member and is made from a metallic material; and an electrical conductive spring which is accommodated in the fixed member and whose one end contacts with the bottom of the fixed member and the other end contacts with the bottom of the movable member for thereby allowing the movable member to elastically slide against the fixed member.

The invention belongs to the technical field of intelligent identification and control, and particularly relates to an intelligent home control system and method based on a millimeter-wave radar. Thesystem comprises a millimeter-wave radar system, a signal processing system, an artificial intelligence classification system, and a central control system, wherein the millimeter-wave radar system emits linear frequency-modulated continuous-wave signals to a radar illumination scene, receives echo signals reflected by the scene, and obtains intermediate-frequency original data through processing;the signal processing system carries out processing on the original data to obtain feature data, and transmits the feature data to the artificial intelligence classification system; the artificial intelligence classification system carries out offline training and online classification on the millimeter-wave radar feature data, and transmits results to the central control system; and the centralcontrol system carries out real-time system control, monitoring and communication. The intelligent home control system and method based on the millimeter-wave radar provided by the invention has the advantages that non-contact remote control in the field of intelligent home is achieved through the millimeter-wave radar, so that daily life is more convenient, comfortable and intelligent; and the system is applicable to places such as ordinary households, offices, conference rooms, etc.

The invention discloses a disposable cableless remote control underwater explosive-handling robot and a design method thereof. The robot comprises a robot body and a communication buoy; the robot bodycomprises a detection head section, an electronic battery cabin section and a tail section; shells between the cabin sections are connected through flange plates, the two ends of the shell of the electronic battery cabin section are completely sealed, except the electronic battery cabin section, the other cabin sections are of water inlet structures, the tail section is detachably connected withthe communication buoy, and the communication buoy is in radio communication with a mother ship. The design method comprises the steps that S1, the overall appearance of the robot is designed, and a propelling device is arranged; S2, a functional sensor is designed; S3, related parameters of the robot are calculated; and S4, the communication buoy is designed; Experiments prove that compared witha traditional underwater explosive-handling tool, the robot designed through the method has the advantages of being long in control distance, small in size, light in weight, accurate in data transmission result and small in dragging force between the communication buoy and the robot body.

A contact-type image sensor is designed to prevent, in an effective manner, dust from entering into a space between a rod lens array and a light receiving sensor. A rod lens array includes a large number of rod lenses between two flat substrates and between spacers located at left and right ends; one row of the rod lenses is arranged in such a way that central axes of the rod lenses become parallel to each other. At an emission side of a rod lens in an axis line direction, each substrate includes an extension portion, whose length is determined based on an operating distance of the rod lens. A lower end of the extension portion of each substrate is in contact with an upper surface of a sensor substrate. In this manner, the rod lens array is positioned with high accuracy with respect to the light receiving sensor.

The invention relates to the field of wireless communication systems operating in a duplex mode for data transmission and reception and in particular to the millimeter-wave communication apparatus with high data throughput. The communication apparatus comprises a dual-polarized antenna with a corresponding first and second ports, optimized for the signal transmission on the first polarization and the signal reception on the second polarization wherein the two polarizations are essentially orthogonal to each other; the first independent filter that is dedicated to pass the signal in the first frequency band and suppress the signals in all other bands and the second independent filter that is dedicated to pass the signal in the second frequency band and suppress the signals in all other bands wherein the two frequency bands are not overlapping; transmitter and receiver radio frequency units for processing of the received or transmitted signal correspondingly to or from the digital modem. The first independent filter is connected to the transmitter radio frequency unit and to the first port of the dual-polarized antenna and pass the transmitted signal from the radio frequency unit to the antenna. The second independent filter is connected to the receiver radio frequency unit and to the second port of the dual-polarized antenna and pass the received signal from the antenna to the radio frequency unit. The invention can be implemented in point-to-point radio relay communication systems to provide combined polarization-division and frequency-division duplexing of the transmission and reception with reduced insertion loss level and higher isolation level between the transmitter and receiver. Implementation of the invention allows to achieve the required isolation level between the transmitter and the receiver with the reduced insertion loss level.

An electric connecting terminal, which is intervened between electric conductive objects to electrically connect the objects to each other, the electric connecting terminal including a spring of a metallic material, and a contact part having electric conductivity, which is formed by being adhered to at least one end of the spring and configured to electrically contact the object, wherein the contact part is formed by that the electric conductive material in which a liquid polymer resin is mixed with metallic power surrounds the end of the spring to be cured or flows into an end hole of the spring to be cured.

A method and device for interfering with or reducing the activity of one or more targets by over-stimulating the targets optic nerve with a high intensity incoherent light beam (HIILB) emanating from an electrode-free plasma (EFS) lamp. The steps of the method include providing a HIILB from an EFS lamp housed in a device and directing the beam at the one or more targets when facing the device. The device includes an outer housing with a head portion having a window opening for transmitting a HIILB, an optical system mounted in the head portion facing the window, one or more EFP lamps mounted at the focus of the optical system to collimate the light towards the window, an electrical circuit for driving the one or more lamps wherein the electrical circuit has an energy source and a plasma lamp induction coupling to the energy source for operation.

The invention discloses an electromechanical control system of a high-power and low-speed battery towing vehicle and relates to the technical field of locomotive power. More particularly, the invention belongs to the electromechanical control system of the high-power and low-speed battery towing vehicle used for a short-distance transfer and shunting operation. The electromechanical control system of the high-power and low-speed battery towing vehicle comprises a battery pack, a charging cabinet, a power distribution box, an electronic control cabinet and a conversion cabinet which are mounted on the high-power and low-speed battery towing vehicle on a shunting track, wherein a 560 V DC output from the battery pack is connected to a circuit breaker of the power distribution box through a conversion terminal of the charging cabinet, and then is output to the electronic control cabinet through the circuit breaker; and the electronic control cabinet respectively outputs three branch circuits comprising a first branch circuit, a second branch circuit and a third branch circuit. In conclusion, the electromechanical control system of the high-power and low-speed battery towing vehicle has the characteristics of high reliability, sensitive operation, long service life, flexible combination of many output nodes and far operation distance, and has the advantages of effectively saving the manpower and production cost, improving the work efficiency and protecting the environment.

Disclosed is a thermally conductive member capable of reliably performing a thermally conductive function with a simple structure. The thermally conductive member includes a container including an elastic body with a through hole passing through a top surface and a bottom surface thereof in a thickness direction and a thermally conductive support adhering to the bottom surface of the body and a thermally conductive element inserted or filled in an accommodation space formed by the through hole and the support and having self adhesion.

The invention provides an automobile gesture control device based on a single-chip microcomputer and a control method thereof. The single-chip microcomputer serves as a main control unit, an infraredlight supplementing lamp is used for projecting infrared light, and a monocular camera with an infrared filtering piece is used for capturing user gesture images which are transmitted to the single-chip microcomputer module. The single-chip microcomputer module is used for analyzing and processing the user gesture images, and controls a device control module to operate an automobile device, so that the gesture control of the automobile device is realized. The invention is advantageous in that the single-chip microcomputer module has excellent expansibility and can be connected with different device driving modules according to actual demands, different automobile devices can be driven, and the purpose of controlling multiple in-vehicle devices by using gestures can be achieved; meanwhile,the infrared light supplementing device is adopted to be matched with the monocular camera, so that the infrared light supplementing device can be used under the condition of low illumination; the automobile gesture control device is more suitable for being applied to a vehicle, and can still be normally used when no sunlight is used for night driving.

A resilient contact terminal having a structure that can be applied to various purposes. The contact terminal has: a base; a plurality of bridges of which one end is connected to the base, is spirally wound and extends in upward inclination, and which thus are vertically resilient; and a contact portion connected to the other end of each bridge. A gap portion separates the bridges and the contact portion, and the bridges and the base. The edge of the base is positioned further outward than the edge of the contact portion.