34results about How to "Solve big problems" patented technology

The embodiments of the invention disclose a supervisory video recording device. The device comprises a first processing unit, a first judgment unit and a second processing unit, wherein the first processing unit is used for, when detecting a first terminal in a working state, acquiring environmental feature information; the first judgment unit is used for judging whether the environmental feature information satisfies a first preset condition; and the second processing unit is used for, if the environmental feature information satisfies the first preset condition, acquiring supervisory video information and storing the supervisory video into the first terminal. The embodiments of the invention simultaneously disclose a supervisory video recording method. The device and the method realize supervisory video recording, reduce the pressure of video on the storage space, and improve the user experience.

This invention belongs to the field of microelectronic technology. It is a kind of method of multi-valued phase transformation memorizer. It uses semiconductor characters of phase transformation membrane material or composite material of other semiconductor material and phase transformation membrane to form semiconductor membrane transistor. It uses characters that phase transformation material can change reversibly under electricity effect to change channeling length of semiconductor membrane transistor so as to achieving storing long number in single memory cell. The membrane transistor can form spatial stereoscopic structure to increase density and do not need to occupy area of silicon substrate. Such, this invention can increase storing density greatly and solve the question of 1T1R structure phase transformation memorizer peripheral circuit occupying too large areas of silicon substrate.

The invention provides a novel multifunctional automobile, which leads a tyre which can not be burst to be arranged on a front wheel; the seats at the front row of the vehicle adopt an extrusion-proof automobile safety seat which can automatically move to the safety area behind together with the driver in the first row when the automobile is subject to a severe positive direction component collision accident; the seats in the second row adopt a backrest which can turn forwards and after a travelling mattress is arranged well, the rear of the carriage of the automobile becomes a simple bed where people can be rested; meanwhile, the distance between the seats in the second row and the seats in the first row is more than 60cm, thus ensuring enough backing distance of the front row extrusion-proof automobile safety seat when the automobile is subject to the severe positive direction component collision accident, and thereby achieving the object that the driver in the front row has enough living space while the personnel in the second row are not extruded.

The invention provides a method for preparing a high-precision silver electrode by a side wall protection process, which utilizes a side wall protection mechanism of a Bosch process and undercut morphology after Ag wet etching, deposits a passivation polymer by the Bosch process C4F8 after Ag etching, etches polymers at the bottom and the top by SF6, reserves a side wall passivation layer polymeras a protection layer, and protects Ag from being etched during bottom ITO etching so as to reduce CD loss. By using the Bosch side wall protection etching process, the CD loss can be reduced from more than 1 micron of one-step wet etching to less than 0.1 micron, and the ultra-high resolution display requirement is met.

The invention provides an object-based screen track recording technology. Through a track objectification mode, the problem that a recorded track file is too large is solved. In the prior art, for example, the file of a video obtained through one-hour recording is below 10 M in size, and can even reach above 100 M. According to the object-based screen track recording technology, stored tracks not only can be played back, but also can serve as the objects to be serialized for further edition and usage.

An embodiment of the invention provides an optical switch matrix and a control method thereof. Through transmitting a first single-mode optical signal and a second single-mode optical signal in an optical communication network through waveguides with the same length in a first mode in the optical switch matrix and processing by the same device, and performing one-time mode conversion, a problem ofrelatively high PDL and DGD of the optical signal in the optical network through processing by the optical switch matrix is settled. Furthermore, through arranging a first crossed waveguide, a secondcrossed waveguide, a third crossed waveguide and a fourth crossed waveguide, a number difference between the crossed waveguides on different waveguides is reduced, thereby further reducing the PDL.

The invention provides a high-power electronic gun comprising a built-in electronic gun core which is arranged on an upper barrel of a gun chamber, wherein an anode seat is arranged below the upper barrel of the gun chamber, and an anode of an electronic emission system is arranged on the anode seat; the bottommost part of the electronic gun is a gun seat of the electronic gun; an inner cover forbombarding current bunching is arranged outside a lamp filament of the gun core; two groups of magnetic lenses and blocked holes are arranged in a light path system of electron beams, wherein the magnetic lenses and the blocked holes are matched; a coiling chamber of first magnetic lenses is arranged between the anode seat and a lower barrel of the gun chamber, a water-cooling blocked hole seat is arranged between the lower barrel and the seat, and the blocked holes are arranged on the blocked hole seat; deflecting and scanning coils are arranged on the gun seat, and coils of second magnetic lenses are arranged above the defecting and scanning coils; and a gun cover is additionally arranged outside the gun core, a draught fan is arranged on the gun cover, and a safety hood, a group of airbarrels and an outer cover assembly arranged outside a cathode encircle a gun core body to form a cooling wind path. According to the invention, the problem of the urgent need for the high-power electronic gun in the existing industrialization is solved.

The invention relates to a spraying device for an oscillation sorter, which comprises a frame body, an adjusting piece and a spray head; the frame body is detachably mounted on the oscillation sorterand extending towards the top of the oscillation sorter; the adjusting piece is rotatably mounted at the top of the frame body; and the spray head is installed at the top of the adjusting piece and connected with a water pipe, the water pipe supplies water to the spray head, the adjusting piece is rotated so as to rotate and adjust the spray head in the horizontal direction, the spray head sprayswater to the position, where flying dust occurs, of the oscillation sorter, and therefore sedimentation flying dust is achieved. According to the device, the problem that much dust is raised during sorting of the sorter is effectively solved, the spraying device is used for spraying water to the sorter, so that the dust descends when encountering water, the dust is prevented from flying everywhere, the influence on the site construction environment is reduced, the harm to the body of construction personnel is reduced, and the purpose of environment-friendly construction is achieved.

The invention relates to a soilless cultivation pipeline. Field-planting clamping grooves are inserted into positioning holes; drip irrigation branch tubes are inserted into the field-planting clamping grooves; a root supporting part is arranged on the inner bottom surface of the soilless cultivation pipeline in the length direction; one end of the soilless cultivation pipeline is sealed, and the other end of the soilless cultivation pipeline is blocked with a cover with a reflux inlet. The invention further provides a soilless cultivation pipeline system which comprises four parts, namely the soilless cultivation pipeline, a supporting and fixing steel frame, a nutrient solution circulating system and a control system. According to the soilless cultivation pipeline system provided by the invention, water and fertilizer are economized, and the yield and efficiency are high, so that the system is a sealed and zero-discharge ecological cultivation system.

The invention provides a grid rudder transmission mechanism for a space transporter. The grid rudder transmission mechanism for the space transporter comprises a supporting column, a wall panel, an actuator, a main shaft, a rocker arm, a space ring, a large lock nut, a small lock nut, an end cover, a pin cover, two specially-made pins, an adjusting shim, a dual-column full roller bearing and two tapered roller angular contact bearings. One end of the supporting column is connected with the wall panel, and the other end of the supporting column is connected with the end cover. The main shaft issequentially provided with the dual-column full roller bearing, the large locknut, the rocker arm, the space ring, the two tapered roller angular contact bearings and the small locknut in series. Themain shaft can freely rotate with the support of the three bearing together. A key groove of the rocker arm is used in cooperation with a key groove in the main shaft. An actuator fixed rod is connected with the wall panel through one specially-made pin. An actuating rod is connected with the rocker arm through one specially-made pin. The actuating rod of the actuator axially extends and contracts to drive the rocker arm so as to drive the main shaft to rotate.

A briquette pellet cooling device comprises a cooling tower body and a cyclone dust collector, the cooling tower body comprises a storage bin, a discharge bin and a buffering umbrella, vent holes are densely distributed in the buffer umbrella, a plurality of rectangular through holes are formed in the outer wall of the storage bin, the lower end opening of the storage bin is in butt joint with the upper end opening of the discharge bin, the buffering umbrella is arranged in the storage bin, an air draft hole is further formed in the outer wall of the storage bin, the cyclone dust collector comprises a negative pressure air inducing pipe and a cyclone dust collecting body, one end of the negative pressure air inducing pipe is connected with the air draft hole, the buffering umbrella is arranged in the storage bin, briquette coal pellets firstly fall on the conical top end of the buffering umbrella, and can slowly slide off from the upper surface of the buffering umbrella to reduce the pellet breaking rate of the briquette pellets, negative pressure is formed in the negative pressure air inducing pipe, and air outside the storage bin enters the storage bin from the rectangular through holes, the air holes of the buffering umbrella and the gap between the buffering umbrella and the storage bin, so the problem that dust is large on site is solved. The invention further provides a briquette coal production system.

The invention provides a Fischer-Tropsch synthesis method for wax by utilizing low-rank coal. The Fischer-Tropsch synthesis method comprises the following steps: drying the low-rank coal to obtain dried low-rank coal and waste gas; removing dust from the waste gas to obtain coal powder; gasifying and reducing the dried low-rank coal under an oxygen-free or micro-aerobic condition to obtain an oil-gas mixture and quality-improved coal; preparing the oil-gas mixture into mixed gas and wastewater; reforming and transforming the mixed gas to prepare synthetic gas; preparing coal water slurry through the wastewater, the coal powder and a coal water slurry additive and then preparing synthetic gas; preparing synthetic gas by utilizing the quality-improved coal; after mixing the three types of synthetic gas, removing CO2 and supplementing H2 or CO to adjust a hydrogen-carbon ratio of the synthetic gas to be 1.5 to 2.2; carrying out distillate oil steam stripping and the like on a product, which is obtained by carrying out Fischer-Tropsch synthesis reaction on the synthetic gas, to obtain wax, heavy oil and naphtha. According to the Fischer-Tropsch synthesis method provided by the invention, the low-rank coal is used for producing light oil, the heavy oil and the wax through a Fischer-Tropsch synthesis technology and is convenient to transport, and the utilization rate of resources isimproved; the source of raw materials is wide, the energy consumption of the technology is low, wastes are utilized and the production cost is easy to save.

The invention relates to a dewatering and drainage system, in particular to the dewatering and drainage system for underground construction. The purpose is to provide the dewatering and drainage system that can drain water above the drainage level, and can automatically drain water when the water is higher than the warning water level. The system comprises a water collection tank, a pressure-resistant bin, a honeycomb duct, a drain valve, a water level observation hole, a decompression pipe and an exhaust pipe, wherein the water collection tank is lower than a drainage plane; the pressure-resistant bin is arranged as a closed tank, the bottom part is arranged in the water collection tank to be communicated with the water collection tank, and the upper part extends out of the drainage plane; one end of the honeycomb duct extends into the pressure-resistant bin, and the other end extends out of the drainage plane and is a certain height higher than the drainage plane; the drain valve isarranged at the bottom of the honeycomb duct, and higher than the drainage plane; the water level observation hole is formed in the honeycomb duct; the decompression pipe and the honeycomb duct are communicated and arranged in parallel, and an outlet extends to a drainage ditch; and the exhaust pipe is arranged at the upper end of the honeycomb duct. The dewatering and drainage system is simple instructure, solves major problems, fundamentally solves the drainage problem of underground buildings such as basements and underground garages when the water level rises, and avoids the situation that the basements and the underground garages are flooded, and only water pumping can solve the problem.