30results about How to "Meet the needs of miniaturization design" patented technology

The invention relates to a grid type control drum device of a small fast neutron reactor. The grid type control drum device comprises an inner reflecting layer, a grid type control drum and an outer reflecting layer which sequentially sleeve the periphery of a reactor core from inside to outside, and a driving motor for driving the grid type control drum; the inner reflecting layer is in a cylindrical grid shape and is fixed in position; the outer reflecting layer is in a complete cylinder shape and is fixed in position; and the grid type control drum is in a cylindrical grid shape and can bedriven by the driving motor to rotate by a certain angle so as to adjust the overlapping area between the absorption grids and the reflection grid of the inner reflecting layer and change the number of leaked neutrons reflected back to the reactor core, so reactivity control is achieved. The device disclosed by the invention is small in occupied axial space, and meets the miniaturization design requirement; the absorption grids have no axial displacement, so that uneven axial power distribution of the reactor core cannot be caused; and the absorption grids are in central symmetry about the central axis of the reactor core, have good adaptability to material expansion caused by radial temperature gradient, and are not easy to block due to deformation.

The invention relates to an optical system, an image capturing module and an electronic device. The optical system includes a first lens element with negative refractive power and an object-side surface being convex in a paraxial region and an image-side surface being concave in a paraxial region; a second lens element with negative refractive power and an object-side surface being convex in a paraxial region and an image-side surface being concave in a paraxial region; a third lens element with positive refractive power and an object-side surface being convex in a paraxial region thereof and an image-side surface being convex in a paraxial region thereof; a fourth lens element with refractive power and an image-side surface being convex in a paraxial region thereof. a fifth lens element with refractive power; a sixth lens element with refractive power; a seventh lens element with positive refractive power and an image-side surface being convex in a paraxial region thereof; and an eighth lens element with refractive power and an object-side surface being convex in a paraxial region and an image-side surface being concave in a paraxial region. The conditions that TTL/(ImgH * 2) is greater than or equal to 1.5 and less than or equal to 1.7, and FOV is greater than or equal to 150 degrees and less than or equal to 170 degrees are satisfied. The optical system can realize miniaturization design and wide-angle characteristics.

The invention relates to an optical system, a receiving module and electronic equipment. The optical system includes, in order from an object side to an image side, a lens element with positive refractive power and an infrared band-pass optical filter that can filter visible light wave bands and transmit infrared wave bands, and the image side surface of the lens element is attached to the objectside surface of the infrared band-pass optical filter. Moreover, the object side surface of the lens element is the light incident surface of the optical system, the image side surface of the infraredband-pass filter is the light emergent surface of the optical system, and light enters the optical system from the object side surface of the lens element, then is emitted from the image side surfaceof the infrared band-pass filter, and is imaged on the imaging surface of the optical system. According to the optical system, only one lens element and one infrared band-pass filter are arranged, sothat the size of the optical system is small, and the requirement of miniaturization design of electronic equipment can be met when the optical system is applied to the electronic equipment.

The invention discloses an optical lens, a camera module and electronic equipment. The optical lens comprises a first lens, a second lens, a third lens, a fourth lens and a fifth lens which are sequentially arranged from an object side to an image side along an optical axis. The first lens with negative refractive power has a convex object-side surface and a concave image-side surface. The second lens with positive refractive power has a convex object-side surface and a concave image-side surface. The third lens with positive refractive power has a convex object-side surface and a convex image-side surface. The fourth lens with negative refractive power has a concave object-side surface and a convex image-side surface. The fifth lens with positive refractive power has an object-side surface being convex in a paraxial region thereof. The optical lens meets the following relational expression: 45 deg < HFOV/Fno < 49 deg, HFOV is half of the maximum field angle of the optical lens, and Fno is the aperture number of the optical lens; thus, the optical lens has a large view angle and also has a large aperture number to enhance the imaging effect of the optical lens in a dark light environment.

The invention relates to an optical system, an image capturing module and an electronic device. The optical system includes, in order from an object side to an image side along an optical axis: a first lens element with positive refractive power having an object-side surface being convex in a paraxial region and an image-side surface being concave in a paraxial region; a second lens element with refractive power having an object-side surface being convex in a paraxial region thereof; a third lens element with refractive power; a fourth lens element with refractive power having an object-side surface being convex in a paraxial region and an image-side surface being concave in the optical axis; a fifth lens element with refractive power having an object-side surface being concave in a paraxial region thereof; a sixth lens element with positive refractive power having an object-side surface being convex in a paraxial region thereof; a seventh lens element with negative refractive power having an image-side surface being concave in a paraxial region thereof; |f(12)/f(67)| is less than or equal to 0.5; f(12) is the combined focal length of the first lens and the second lens, and f(67) is the combined focal length of the sixth lens and the seventh lens. The optical system can meet the requirement of miniaturization design.

The invention discloses an electrode plate, an atomizer and an atomization device. The electrode plate comprises an electrode body annularly arranged and at least one elastic connecting arm arranged in the electrode body, one end of the elastic connecting arm is connected with the electrode body, a gap is formed between the other end of the elastic connecting arm and the electrode body and the electrode body protrudes, the electrode body is used for being externally connected with a first contact piece, and the elastic connecting arm is used for making elastic electric contact with a second contact piece. According to the embodiment of the invention, on the one hand, the electrode body is connected with the first contact piece, the contact area is large, the large current can be supported,the advantage of small duty ratio is achieved; and on the other hand, the elastic connecting arm is elastically and electrically contacted with the second contact piece to avoid metal hard connection, so that the reliability of electrical connection can be improved.

The invention relates to an optical system, an image capturing module and an electronic device. The optical system includes a first lens element with positive refractive power, a second lens element with negative refractive power, a third lens element with refractive power having an object-side surface being convex in a paraxial region and an image-side surface being concave in a paraxial region, a fourth lens element with positive refractive power, a fifth lens element with negative refractive power, a sixth lens element with refractive power having an object-side surface being convex in a paraxial region and being concave in a circumferential region, a seventh lens element with positive refractive power having an image-side surface being concave in a paraxial region, and an eighth lens element with negative refractive power. The optical system satisfies 1</=R14/f7</=6. The optical system is good in aberration correction capability and good in imaging quality.

The invention relates to an optical imaging module. The optical imaging module sequentially comprises a reflecting film, an optical element and a first polarizing film from an object side to an imageside, the reflective film is capable of transmitting light from an object side and reflecting light from an image side. The optical element includes at least one lens, and the optical element has refractive power. The first polaroid allows light polarized along a first direction to pass through and reflects light polarized along a second direction, wherein the first direction is different from thesecond direction, and the light reflected by the first polaroid reaches the reflecting film from the image side, and is emitted towards the image side after the reflecting film generates reflection of changing the polarization state at least once. The invention further relates to VR electronic equipment comprising the optical imaging module. The optical imaging module can achieve the effect of size reduction, and meets the requirements of miniaturization design of VR electronic equipment.

The invention provides an optical fingerprint sensing packaging structure. The optical fingerprint sensing packaging structure includes a line carrier board, an optical component, a fingerprint sensing chip and packing glue. The optical component is electrically connected to the line carrier board; a gap is formed between the optical component and the line carrier board; and the optical component has a light-transmitting region. The fingerprint sensing chip is arranged in the gap, and is corresponding to the light-transmitting region of the optical component. The fingerprint sensing chip is electrically connected to the optical components. The packaging glue is arranged on the line carrier board, covers the optical component and the fingerprint sensing chip, and is exposed out of a light-output surface of the optical component. The size of the optical fingerprint sensing packaging structure is greatly reduced, the thickness is thin, and a micromation design demand can be met.

The embodiment of the invention provides an antenna and a Bluetooth wireless earphone, and relates to the technical field of communication equipment. The antenna is arranged in the Bluetooth wirelessearphone, and a shell of the Bluetooth wireless earphone comprises an ear handle part, an ear plug part and a corner part, wherein a first circuit board is arranged in the ear plug part, a second circuit board is arranged in the ear handle part, the antenna comprises a first antenna arm, and the first antenna arm is laid on the first circuit board; the antenna also comprises a second antenna arm,the second antenna arm is laid on the second circuit board, and the first antenna arm and the second antenna arm are connected with the transceiver through a feed structure. According to the antenna and the Bluetooth wireless earphone provided by the embodiment of the invention, a bracket for arranging the first antenna arm and the second antenna arm does not need to be independently arranged, sothat the structure is simplified; meanwhile, the space occupied by the bracket is saved, and when the antenna is applied to the Bluetooth wireless earphone, the size of the Bluetooth wireless earphonecan be effectively reduced, so that the Bluetooth wireless earphone meets the miniaturization design requirement of electronic equipment.

This invention discloses a transformer including a reel, a first winging, a second winging, a set of iron cores and an insulated cover. The reel includes a first winding area and a second winding area. The first winding is winded at the first winding area and the second winding is winded at the second winding area. The set of iron cores surrounds the first and second wiring. The insulated cover is covered at the reel and completely covers the set of the iron cores.

The invention relates to a fingerprint identification module, which is characterized by comprising a flexible circuit board, a chip, a reinforcer and a cover plate, a base film layer and a combinationlayer which are stacked are arranged in the flexible circuit board, and a window is formed in the combination layer to expose part of the base film layer. The chip is arranged at the part, exposed out of the combined layer, of the base film layer. The reinforcer is arranged on the flexible circuit board, the reinforcer comprises a supporting part and an extending part, and the supporting part isarranged around the chip. The cover plate and the extending part are both arranged on one side, far away from the flexible circuit board, of the supporting part, and the cover plate covers the chip. And light can penetrate through the cover plate. The invention further relates to an electronic device comprising the fingerprint identification module. The size of the fingerprint identification module is small, and the requirement of miniaturization design can be met.

The invention discloses an optical system, a lens module and an electronic device. The optical system includes the following parts in order from an object side to an image side along an optical axis: first to sixth lens elements having refractive power, wherein the first lens element has positive refractive power, and the third lens element has negative refractive power; the object-side surfaces of the first to third lenses are convex in a paraxial region, and the image-side surfaces of the first to third lenses are concave in a paraxial region; the object-side surface of the fourth lens element and the image-side surface of the fifth lens element are both convex in a paraxial region, and the image-side surface of the sixth lens element is concave in a paraxial region. The optical system satisfies the following relational expressions: 1.7 < EFL/Imgh < 2; wherein the EFL is the effective focal length of the optical system, and the Imgh is the image height corresponding to the maximum field angle of the optical system. Through reasonable design of the surface type and the refractive power of the first to the sixth lenses, the optical system satisfies the relational expression, so the optical system can realize a large-image-surface and high-definition telephoto shooting function while satisfying the miniaturization design.

The invention relates to an optical system, an image capturing module and an electronic device. The optical system includes: a first lens having negative refractive power; a second lens having refractive power, wherein the object side surface of the second lens is a convex surface; a third lens having positive refractive power, wherein the image side surface of the third lens is a convex surface; a fourth lens with negative refractive power; a fifth lens with positive refractive power; a sixth lens having positive refractive power, wherein the image side surface of the sixth lens is a convex surface; and a seventh lens having negative refractive power, wherein the object side surface of the seventh lens is a concave surface. The optical system satisfies the following conditions shown in the description, wherein f2 is the effective focal length of the second lens, and f1 is the effective focal length of the first lens. The optical system has the wide-angle characteristic and can meet the requirement of large-range shooting.