30results about How to "Reduce peripheral size" patented technology

The invention discloses an optical fingerprint sensor, and a manufacturing method and fingerprint acquisition method thereof. The optical fingerprint sensor comprises a pixel array zone which is disposed on the surface of a substrate and comprises multiple pixels, and multiple scanning lines; the optical fingerprint sensor further comprises a data line gating zone which is disposed on the surface of the substrate, is disposed between the pixel array zone and a binding zone and is internally provided with M gating switches; and the optical fingerprint sensor also comprises M data lines which extend from the pixel array zone to the data line gating zone. In the data line gating zone, in a first direction, every continuous adjacent n data lines form a data line group, n is an integer greater than one, and M is an integer greater than n; in each data line group, one data line and the input end of one gating switch are in one-to-one corresponding connection; and in each data line group, output ends of all the gating switches are connected with one output pin of the binding zone. The optical fingerprint sensor provided by the invention is structurally optimized and is higher in performance.

The invention discloses an earphone which comprises a loudspeaker single body, an audio signal line electrically connected with the loudspeaker single body, a shell used for containing the loudspeaker single body and a front cover laid on the shell. A front acoustic cavity is formed in the space between the front cover and the loudspeaker single body, and a rear acoustic cavity is formed in the space between the shell and the loudspeaker single body; the rear acoustic cavity is divided by a dividing wall into a main rear cavity and a low-pitch rear cavity, an acoustic tube is laid in the cavity body of the low-pitch rear cavity, is bent in a curve shape and arranged in the cavity body of the low-pitch rear cavity, one end of the acoustic tube is connected with the main rear cavity through a through hole of the dividing wall, and the other end of the acoustic tube is communicated with the outside through a sounding hole in a shell of the low-pitch rear cavity. By means of the structure, low-frequency performance and medium-frequency performance of the earphone are effectively improved, and the appearance of the earphone is more attractive on the basis that stability of the earphone is guaranteed.

The invention discloses an ultra-wideband dual-polarization bidirectional coverage antenna, which relates to the technical field of mobile communication. The ultra-wideband dual-polarization bidirectional coverage antenna comprises a first reflecting plate and a second reflecting plate, wherein the first reflecting plate and the second reflecting plate are arranged according to a certain includedangle; each of the first reflecting plate and the second reflecting plate is provided with a low-frequency radiation unit, an intermediate-frequency radiation unit and a high-frequency radiation unit.The ultra-wideband dual-polarization bidirectional coverage antenna has the characteristics of ultra wideband, dual polarization, bidirectional coverage, convenient mounting and the like, the ultra wideband can cover multiple network systems, coverage application in scenes such as tunnels, subways, streets, highways, railways and roads in villages in cities can be met, the array arrangement design is compact, the peripheral dimension of the antenna is reduced, and antenna mounting and later maintenance difficulties are reduced. The antenna supports polarization diversity, and in comparison with an early single-polarization bidirectional coverage antenna, the coverage performance is greatly enhanced; and the ultra-wideband performance far exceeds an early bidirectional antenna, network sites can be reduced, and the network construction cost is reduced.

The invention relates to an unmanned aerial vehicle lifting platform and a building. The unmanned aerial vehicle lifting platform comprises a platform which is used for parking an unmanned aerial vehicle, and a positioning mechanism which is used for pushing the unmanned aerial vehicle to a target position, the positioning mechanism comprises a plurality of pushing pieces arranged in a staggered mode to form a # shape, a driving device used for driving the pushing pieces and a controller in communication connection with the driving device, and the driving device is arranged below the platform;the pushing pieces are arranged above the platform, and the two ends of the pushing pieces extend to the edge of the platform and can move along the edge; and the pushing pieces are connected to thedriving device through an adapter piece. Therefore, the end parts of the pushing pieces extend to the edge of the platform, so that the whole platform can be generally used as a landing area of the unmanned aerial vehicle; meanwhile, the adapter piece is arranged, so that the driving device can be completely shielded by the platform, namely hidden below the platform, and is connected with the pushing pieces only through the adapter piece; and therefore, the peripheral size of the platform can be effectively reduced while the size of the landing area of the unmanned aerial vehicle is met.

The invention discloses a cam shaft with an encoding disk and a lubricating oil channel. The cam shaft is a hollow shaft; an inner thread section is arranged in a shaft center of the left end of the cam shaft; and a part from the tail end of the inner thread section to the shaft center at the tail end of the cam shaft is used as the lubricating oil channel. The cam shaft is sequentially provided with bearing shaft neck sections, air inlet cams, and air outlet cams; each bearing shaft neck section is provided with an oil inlet. A timing plane is arranged between a first bearing shaft neck section and the air inlet cam; an axial thrust surface is arranged behind a second air outlet cam shaft; the tail end of the cam shaft is provided with an air distribution timing encoding disk; and a lubricating oil channel sealing screw hole is formed in the shaft center of the tail end of the cam shaft. The cam shaft is provided with the timing plane, the thrust surface and the air distribution timing encoding disk, so that the problems of large number of auxiliary drive parts of an engine, and deformation caused by insufficient rigidity of an air distribution mechanism can be improved greatly; and the structure of the engine is simplified, the overall dimension of the engine is reduced, and convenience is brought to the decoration and arrangement of a finished automobile.

The invention discloses a bar code radio frequency recognition device moving along with luggage/goods. Luggage/goods move forwards along the conveying belt. Two recognition device assemblies are arranged at the recognition position of the conveying belt. A plurality of luggage/goods position sensors are arranged on the side face of the conveying belt. Each of the two recognition device assembliescomprises a mandrel and a recognizer fixing base; the recognizer fixing base is fixed on the mandrel; a plurality of bar code recognizers, a radio frequency reader-writer and a plurality of cameras are arranged at the front end of the recognizer fixing base; the bar code recognizer and the radio frequency reader-writer are both connected with the information processor, in addition, the first recognition device assembly further comprises a motor connected with the information processor, and when the motor operates, the recognizer fixing base rotates around the mandrel through meshing of a motorgear and a mandrel gear. The method greatly improves the recognition success rate, overcomes the defect of low success rate of front and rear bar code recognition of airline luggage/goods, does not need to add extra shielding facilities, and is small in equipment peripheral size.

The invention provides a shaft transmission mechanism of a motorcycle, and belongs to the technical field of motorcycles. The shaft transmission mechanism of the motorcycle solves the technical problems that in a current shaft transmission mode of the motorcycle, after a clutch friction disc and a steering assembly are matched, the axial size, along a power input rod, of a whole formed by the clutch friction disc and the steering assembly is relatively large, and the problem exists that the structure is not compact enough. The shaft transmission mechanism of the motorcycle includes a speed changing mechanism, a transmission shaft and a driving rear axle, the transmission shaft extends along the front-rear direction of a motorcycle body, an output shaft extends along the left-right direction of the motorcycle body and penetrates through a speed changing shell, the outer end portion of the output shaft is connected with an input bevel gear in a sleeved mode, the periphery of the other end of the transmission shaft is connected with a driven shaft in a sleeved mode, the driven shaft is connected with an output bevel gear in a sleeved mode, the input bevel gear and the output bevel gear mesh with each other, a four-point contact ball bearing is arranged between the input bevel gear and the speed changing shell, the four-point contact ball bearing is sleeved on the periphery of the output shaft, and the inner end of the outer ring of the four-point contact ball bearing abuts against the speed changing shell. The shaft transmission mechanism of the motorcycle has the advantages of being less in space wasting and compact in structure.

The invention discloses a modular precision-adjustable signal coverage system, which comprises a broadband port antenna with a single broadband adjustable signal source coverage angle of 90 degrees, a support plate, an upper mounting cover and a base; the support plate is mounted in the base, and the broadband port antenna is mounted on the support plate. The number and the installation angle of the broadband port antennas can be adjusted according to the actual signal coverage requirement to adjust the signal coverage range; meanwhile, the horizontal angle and the vertical angle of the broadband port antennas are adjusted through a steering support, overall signal coverage of a designated signal coverage area is achieved, the actual signal coverage requirement is met, and the cost is reduced. Moreover, a standing wave tuner is used for correcting the standing wave precision of the equipment, the standing wave index of a specific frequency band can be optimized emphatically, and all covered frequency bands can also be optimized integrally, so that the index requirements of customers on different frequency bands are met, the covered frequency band is 1.5-5Ghz, and the use requirements of 4G and 5G communication FR1 frequency bands are met.

The invention discloses a mounting support for mounting a double-fork-arm suspension shock absorber and an upper control arm and an automobile. The mounting support comprises an upper cover plate anda boss arranged on the upper surface of the upper cover plate, wherein the bottom of the boss is provided with a mounting space matched with a mounting base on the shock absorber, and the boss is further provided with a threaded hole; and a front coaming, an inner coaming, a rear coaming and an outer coaming which are sequentially connected in pairs are fixedly arranged on the upper cover plate, afront apron is fixedly arranged on the outer side face of the front coaming, a rear apron is fixedly arranged on the outer side face of the rear coaming, and locking assemblies used for locking the upper control arm are arranged on the front apron and the rear apron. The mounting support has the main beneficial effects that the upper control arm is mounted through the accommodating cavities formed in the two sides of the mounting support, and the shock absorber is mounted on the boss of the upper cover plate, so that the peripheral size of the mounting support is reduced to the greatest extent, the effects of reducing the weight and releasing the arrangement space of other parts are achieved, ribs in the cavities are removed, and the machining and forming process is greatly simplified.

The invention discloses a luminescence unit circuit board module which comprises a luminescence unit circuit board and a parallel-metal base. Each luminescence unit is provided with a substrate formed by stacking an upper metal insulating material and a lower metal, and the parallel metal base comprises a first metal board and a second metal board; the first metal board is electrically coupled to the upper metal and provided with a first metal pin, and the second metal board is electrically coupled to the lower metal and provided with a second metal pin; the circuit board comprises a first electric contact region and a second electric contact region, the first electric contact region is electrically coupled to the first metal pin, and the second electric contact region is electrically coupled to the second metal pin. The parallel-metal base of the luminescence unit circuit board module is spliced with the circuit board in a plug-in mode so as to be convenient to assembly, maintain and replace the product.

The invention discloses a miniature motor which comprises a stator (1). The cross section of the stator (1) is square, the side length of the stator (1) is 90mm, a rotor (2) is sleeved in the stator, the cross section of the rotor (2) is circular, and the diameter of the stator (2) is 56mm. The miniature motor has the advantages that the overall dimension of the stator is reduced, so that the miniature motor is applicable to common household appliances with small sizes; the quantity of lathed cage bars required by the rotor is reduced on the premise that the performance of the miniature motor is unaffected, scrap iron is reduced in a machining process, and influence of the scrap iron to the rotor after lathing is reduced; and scratching to an inner cavity of the stator is prevented, the efficiency of the integral motor is improved, and the service life of the integral motor is prolonged.

The invention discloses an opposite-pull locking mechanism, belongs to the field of mechanical connecting mechanisms, and provides an opposite-pull locking mechanism capable of realizing opposite-pulllocking connection of two workpieces without increasing the outer contour sizes of the workpieces. The opposite-pull locking mechanism comprises the first workpiece, the second workpiece, and furthercomprises a core rod and a locking screw. A mounting hole is formed in the second workpiece. One end of the core rod is inserted into the mounting hole, and the other end of the core rod is connectedand matched with the first workpiece. A locking hole which is inclined relative to the axial direction of the mounting hole is formed in the second workpiece. The inner end of the locking screw is alocking end capable of extending into the mounting hole. A locking groove is formed in the core rod, and the locking end of the locking screw can extend into the mounting hole and is matched with a locking face in an abutting mode to achieve abutting locking of the core rod. By arranging the core rod and the locking screw, the peripheral sizes of original workpieces are not increased, so that thecorresponding peripheral size of the connected workpieces can be smaller, and the requirements of small parts and some limited installation conditions are met.

The invention provides an electric shaver, and relates to the technical field of shaving tools. The electric shaver comprises a shaver body, a first knife group and a second knife group, and wherein the first knife group and the second knife group are assembled on the shaver body; the shaver body comprises a shell body, a motor arranged in the shell body, a first rotating shaft and a second rotating shaft, and wherein the first rotating shaft and the second rotating shaft are correspondingly and rotatably connected to the shell body; the motor is simultaneously connected with the first rotating shaft and the second rotating shaft in a transmission mode, and is used for driving the first rotating shaft and the second rotating shaft to correspondingly drive the first knife group and the second knife group to rotate; and the output shaft of the motor extends in the length direction of the shell body, and included angles are arranged between the output shaft of the motor and the first rotating shaft as well as the second rotating shaft. The electric shaver has small overall peripheral dimension and good portability.