110results about How to "Meet miniaturization needs" patented technology

The application provides a camera lens, a camera module, and a terminal. The camera lens includes a first lens, a diffractive optical element, and a lens module along an optical axis from the object surface to the image surface; the surface of the first lens facing the object surface is a convex surface at the optical axis, and the surface facing the image surface is a concave surface, having a positive focal power; the diffractive optical element has a positive focal power and includes a surface facing the object surface, a surface facing the image surface, and a diffractive surface between the two surfaces, the surface facing the object surface is a convex surface at the optical axis, and the surface facing the image surface is a concave surface at the optical axis; the lens module includes N lenses, at least one of the surface facing the object surface and the surface facing the image surface of each of the N lenses is an aspheric surface, and the lens module has a positive focal power. The camera lens provided by the application can meet the requirements of miniaturization and high image quality, and meet the demand for size increase of the image sensor.

The invention discloses a large-aperture ultra-wide-angel optical lens. The large-aperture ultra-wide-angel optical lens comprises a lens cylinder and a first lens, a second lens, a third lens, a fourth lens, a fifth lens, a sixth lens, a seventh lens and an eighth lens which are coaxially arranged sequentially along the object space to the image space inside the lens cylinder; the first lens, the second lens, the third lens and the eighth lens are negative focal power spherical lenses; the fourth lens, the fifth lens, the sixth lens and the seventh lens are positive focal power spherical lenses. According to the large-aperture ultra-wide-angel optical lens, the lenses are arranged in specific curvature radiuses, thicknesses and intervals, then the viewing angle theta which is large can achieve 170 degrees, the aperture can achieve F2.0, the resolution is high, and accordingly the large-aperture ultra-wide-angel optical lens satisfies a high definition quality requirement, has a larger viewing angle and is particularly applicable to a high definition photosensitive product with the resolution being matched with a 16 million pixel chip, the high definition photosensitive product comprises an exercise DV (Digital Video), home security and protection, an automobile data recorder and the like.

The invention provides a continuous-operation anaerobic device integrated with small-size gas producing, gas collecting and deslagging functions according to medium/high temperature anaerobic digestion principle. The device is composed of a feed inlet, a tank, a heating device, an insulating layer, an observation holes, a stirring device, an online detection device, an exhaust hole, a discharge hole and a methane collector. Raw materials of the device can be organic waste materials of agriculture waste, poultry excrement, sludge, landscape and greening waste, urban kitchen waste and the like, and the maximum methane production of 450ml/g TS can be realized; the anaerobic device has the advantages of good fermentation effect due to unique design and simpleness in operation.

The invention provides a method for manufacturing an embedded electronic circuit three-dimensional assembly substrate, which can be used for increasing the interconnection assembling density and supplementing technical cryptosecurity for the three-dimensional assembly substrate. According to the technical scheme, the method is implemented by the following steps of: in the manufacturing process of a printed board, setting a planar printed board as an embedded substrate, and designing a cavity of which the area and height are matched with the size, height and printed board thickness of a layout device; assembling a device to be embedded on the bottom surface of the cavity in a surface mounting way, or directly laminating and burying into a designed and planed cavity position of the printed board, laminating, connecting a printed lead in the printed board with a device outside the substrate, and covering a printed board substrate with a certain thickness above and below the buried device; and after laminating the printed board, perforating at the pin position of the buried device, performing hole metallization through a buried blind via technique, surface device mounting and through hole insertion to realize interconnection so as to form a three-dimensional laminated assembly structure in which the embedded substrate is taken as a carrier.

The invention discloses an imaging system and an electronic device. The imaging system includes a first lens with positive refractive power, a second lens with refractive power, a third lens with refractive power, a fourth lens with refractive power, a fifth lens with positive refractive power and a sixth lens with negative refractive power, in order from the object side to the image side of an optical axis, wherein the object side surface of the first lens is a convex surface; the object side surface of the fifth lens is a concave surface at the circumference; the image side surface of the fifth lens is a convex surface; the image side surface of the sixth lens is a concave surface at the optical axis; the image side surface of the sixth lens is a convex surface at the circumference; andat least one of the object side surface and the image side surface of the sixth lens includes at least one inflexion point. For the imaging system and the electronic device, through the above-mentioned reasonable lens configuration of six lenses, the imaging system not only has a good resolution to meet the high resolution requirement, but also can reduce the height of the imaging system to meet the demand for miniaturization.

The invention discloses a small differential notch UWB-MIMO antenna, which comprises a dielectric substrate, a floor board arranged at the top layer of the dielectric substrate and four antenna units, wherein the four antenna units are separated through a pair of diagonal lines of the top layer of the dielectric substrate and a pair of diagonal lines of the bottom layer of the dielectric substrate; four slots which are symmetrical mutually are etched on the pair of diagonal lines of the top layer of the dielectric substrate by the floor board; the four antenna units are separated by the four slots; each antenna unit comprises a T-shaped slot etched in the floor board and a differential feeder structure arranged on the bottom layer of the dielectric substrate, and the T-shaped slot is internally provided with a resonance branch. The UWB-MIMO antenna has the advantages of small size, wide frequency band, good radiation pattern and the like, and can meet requirements of miniaturization, low cost, easy processing, easy integration with a differential circuit and no interference with other systems.

The invention discloses a graphene-based circularly-polarized intake antenna for a capsule endoscope device. The material of each radiation unit and floor of the antenna is a copper-coated graphene film, and the material of the copper-coated graphene film has relatively high carrier density, so that the working bandwidth and gain of the intake antenna can be increased. A graphene double-S combinedstructure radiation patch (4) and a graphene double-S combined structure radiation patch (5) are connected through four short-circuit probes to form a composite spiral structure, so that the circularpolarization characteristic is generated, and the bit error rate is reduced while multipath interference is suppressed. The hook-shaped combined structure of a graphene hook-shaped combined structureradiation patch can reduce the resonant frequency of the antenna and increase the impedance bandwidth of the antenna. The size of the antenna is only Pi*(4.5)<2>mm<3>, and the antenna has the characteristics of wide frequency band, circular polarization, interference resistance, good electromagnetic compatibility, small size and the like. The antenna is suitable for an ISM2.4GHz frequency band, and can meet the working requirements after the complex environment is ingested.

The invention belongs to the field of experiment equipment for testing the dynamic fracture toughness of a test material, and in particular relates to a three-point bending supporting device based on the dynamic fracture toughness of a test material. The device comprises a base plate and a vertical plate, wherein the base plate and an external support are detachably matched with each other; a groove or a through hole penetrating through a vertical plate body is formed in the vertical plate and is positioned at a loading rod traveling path. The device further comprises a lining plate which is arranged on the base plate, is parallel to the plate surface of the vertical plate and is arranged at the other end, which is opposite to the collision direction of a loading rod, of the vertical plate; a through hole part, through which the loading rod passes, is formed in the lining plate; a lining pad unit for holding a test sample to be tested is also arranged on the lining plate; the supporting direction, which is relative to the test sample to be tested, of the lining pad unit is opposite to the loading rod force application direction. The device is high in standardization degree, can effectively meet requirements on easy detaching and easy maintenance, and can also guarantee the uniformity of whole data acquisition so as to work reliably and stably.

The invention relates to a cavity filter, which comprises a cavity with one end open, a cover plate installed at the open end of the cavity, a first resonant cavity and a second resonant cavity arranged in the cavity, a partition wall positioned between the first resonant cavity and the second resonant cavity, a cross coupling structure, and a debugging coupling screw installed on the cover plate.A first coupling resonant column is arranged in the first resonant cavity. A second coupling resonant column is arranged in the second resonant cavity. The cross coupling structure comprises a firstcoupling piece formed on the first coupling resonant column and a second coupling piece formed on the second coupling resonant column. The partition wall is provided with a groove. The first couplingpiece and the second coupling piece are oppositely arranged and located on the two sides of the groove respectively, and the tail end of the first coupling piece and the tail end of the second coupling piece are close to the groove. The debugging coupling screw penetrates through the cover plate and extends into the groove. According to the invention, the strength of the transmission zero can be conveniently debugged without dismounting the cover plate, and the adjustable range is large.

The invention provides a pit embedded circuit board three-dimensional assembling method, which has the advantages of being capable of obviously improving the three-dimensional assembling density of electronic products, reducing the size and the weight and realizing time sequence consistency of transmitting signals of paired used devices. The invention is realized in the following technical scheme that sunken pits for assembling components are designed and manufactured on a printed board, and the selected thin and small components are deployed in the sunken pits of the printed board; appropriate bridging devices are deployed right above the pits to form a pit-type device lamination three-dimensional assembled structural form; wiring in the printed board is carried out according to the circuit design, electrical signal transmission channels are laid among the devices, and are connected with the devices inside and outside the sunken parts through printed conductors on the printed board; patching is carried out on the components on the surface of the printed board (comprising the surfaces of the pits), and device bonding pads are arranged inside and outside the sunken pits and solder paste is coated on the bonding pads according to the device bonding pad design; and the printed board plastered with the components is subjected to reflow soldering, thereby finishing the three-dimensional assembling of the printed board.

The invention discloses a heavy-current high-frequency plane inductor and a making method thereof. The heavy-current high-frequency plane inductor comprises a coil and a magnetic core arranged at the outer part of the coil, wherein an insulation sheet is arranged between the coil and the magnetic core. According to the heavy-current high-frequency plane inductor and the making method thereof, by adopting a plane magnetic core with an E type section, and no conventional winding framework exists, the magnetic core and the coil are directly insulated and fixed through plugging the insulation sheet; the coil is formed by welding a single-turn coil through silver welding, thus the mechanical strength of the coil is ensured, and the impaction of a heavy current is met; each turn of coil can be processed into a thinner and larger plane, thus the flattening of the coil is ensured, the heat radiation area of the magnetic core and the surface of the coil is increased, and the efficiency of the inductor is increased; the inductor is capable of meeting the miniaturization demand.

Provided are an image sensor module and a camera module including the same. The image sensor module includes a printed circuit board having accommodation space for insertion of an image sensor; a bonding material continuously covering the image sensor and the printed circuit board; and an infrared ray (IR) filter bonded to the image sensor through a bonding material. A gap is formed between the IR filter and the image sensor, so the image sensor module meets the miniaturization requirement and has improved stiffness.

The invention provides a photosensitive module. The photosensitive module comprises: a photosensitive chip having a first surface having a photosensitive region, a second surface back to the first surface and a liner; electronic elements arranged around the photosensitive chip; molding portions arranged around the photosensitive chip and combined with the photosensitive chip; and a first re-wiringlayer covering at least part of the surface of the photosensitive chip and at least part of the surface of the molding portion, wherein the liner is electrically connected with the first re-wiring layer through the electronic elements. The present invention further provides a corresponding manufacturing method of a photosensitive module. The circuit board can be cancelled to meet the mini-type demand; the yield and the product quality can be improved; the bonding of the silicon glass forms protection for the photosensitive chip, and glass having the protection effect can replace a traditionalcolor filter piece so as to further reduce the size of the photosensitive module or a camera module.

The present invention relates to the technical field of medical devices and discloses an outdoor intelligent electrocardiogram monitoring system and a working method thereof. An MCU circuit unit, a wireless circuit unit, a storage circuit unit and an analog-to-digital conversion circuit unit and at least one pair of electrocardiosignal connection ends are built into an electrocardiogram chest paste terminal, automatic collection and local recording of digital electrocardiogram data are realized, existing algorithm runs to diagnose whether abnormal electrocardiogram exists, if the abnormal electrocardiogram is diagnosed, diagnosis results and corresponding abnormal electrocardiogram data are sent wirelessly to a communication base station. Besides, the diagnostic results and corresponding abnormal electrocardiogram data can be transferred and uploaded to a back-end server through the communication base station, then the back-end server generates an alarm message and the alarm message istransmitted to a medical care terminal in a nearby region of the communication base station. Thus, the outdoor intelligent electrocardiogram monitoring system can notify professional medical staff intime for emergency treatment in case of emergency and is especially suitable for outdoor scenes such as physical examination, training, military training and the like.

The invention relates to the field of robots, and provides a robot, a mechanical arm, a joint and a harmonic reducer device of the joint. The harmonic reducer device comprise a cup-shaped flexible gear, a rigid gear meshed with the flexible gear and a wave generator, wherein the wave generator comprises a sleeve for power input and a wave generator body which is arranged on the sleeve and enables the flexible gear to generate radial deformation under rotation of the sleeve so as to change the meshing position of the flexible gear and the rigid gear, the harmonic reducer device further comprises an end cover and an output bearing which are oppositely arranged, the harmonic reducer device further comprises a first stopping structure and a second stopping structure which are used for stopping the sleeve, and the projection of the power output end of the wave generator and the projection of the second stopping structure on the axis of the sleeve are at least partially overlapped. The projection of the power output end of the wave generator and the projection of the second stopping structure on the axis of the sleeve are at least partially overlapped by breaking through conventions, the requirement for miniaturization of the harmonic reducer device is met by directly changing the axial size of the harmonic reducer device under the condition that the radial size of the rigid gear is not changed, and market requirements are met.

The invention discloses a large-visual field high-performance ultra-small microscope objective lens. The large-visual field high-performance ultra-small microscope objective lens is a catadioptric optical system, and comprises a first lens and a second lens sequentially along an optical axis direction, wherein both the first lens and the second lens are meniscus lenses, the surface facing an object surface is a concave surface, the surface facing an image surface is a convex surface, the object surface-facing surface of the first lens is a front surface, the image surface-facing surface of thesecond lens is a rear surface, and both surfaces are coated with half transparent and half reflecting optical medium spectrophotometric films; an aperture diaphragm is located on the rear surface facing the image surface of the first lens; the front end, located on the front surface of the first lens, of the object surface has a far limiting position; and the rear end, located on the rear surfaceof the second lens, of the image surface has a far limiting position. By adopting the catadioptric structure, the maximum diffraction path of light in the system is realized concisely, and the diffraction limit is reached. One embodiment of the invention realizes that the diameter of the visual field range is 1 mm, the numerical aperture is 0.6, the total system length is 4.23 mm, the magnification is 5.14, and the imaging resolution is 0.24 microns/pixel.