Abstract: Disclosed are a catalyst useful for producing organic amines by catalytic amination its preparation and application thereof, which catalyst comprising an inorganic porous carrier containing aluminum and/or silicon, and an active metal component supported on the carrier, the active metal component comprising at least one metal selected from Group VIII and Group IB metals, wherein the carrier has an L acid content of 85% or more relative to the total of the L acid and B acid contents. The catalyst shows an improved catalytic performance when used for producing organic amines by catalytic amination.

Abstract: A carrying frame includes a main body, a first rotating part, a second rotating part, and a driving part. The main body includes a first inner surface which defines a first through hole. The first rotating part is mounted on the first inner surface and comprises a second inner surface which defines a second through hole. The second rotating part is mounted on the second inner surface and comprises a third through hole. The driving part is configured to drive at least one of the first rotating part to rotate in a first direction and the second rotating part to rotate in a second direction. The first direction and the second direction are perpendicular to each other, and both the first direction and the second direction are parallel to a plane where the main body is located. A camera module and an electronic device are also provided.

Abstract: A dustproof member includes a base plate, a dustproof plate, and a connecting portion. A first through hole is defined by an inner surface of the base plate. A second through hole is defined by an inner surface of the dustproof plate. The connecting portion has a shape of a hollow barrel and defines a hollow cavity. Two opposite ends of the connecting portion are respectively connected to an end of the inner surface of the base plate and an end of the inner surface of the dustproof plate, thereby forming a dust collecting groove between the base plate and the dustproof plate. A camera module having the dustproof member and an electronic device having the camera module are also provided.

Abstract: A camera module includes a circuit board, a photosensitive chip, a filter, a l holder, and a lens assembly. A receiving groove is recessed from a surface of the circuit board. The photosensitive chip is received in the receiving groove. The holder is mounted on the surface of the circuit board and covers the photosensitive chip. The filter is mounted in the holder and spaced from the photosensitive chip. The lens assembly is mounted on the holder and located at a side of the filter facing away from the photosensitive chip. A dustproof layer is laid on the surface of the circuit board facing the filter and surrounds the photosensitive chip. An electronic device having the camera module is also provided.

Abstract: A camera module includes a circuit board, a photosensitive chip, a filter, a lens base, and a lens. The photosensitive chip is mounted on the circuit board. The lens base is mounted on the circuit board and receives the photosensitive chip therein. The filter is mounted in the lens base and positioned above the photosensitive chip. The lens is mounted in the lens base and positioned above the photosensitive chip. A dust-absorbing film is arranged in the lens base and located above the filter. An electronic device having the camera module is also provided.

Abstract: A synthesis and screening method of a DNA-encoded compound library. The DNA-encoded compound library consists of a DNA-encoded compound of formula (I). The screening method includes: incubating the DNA-encoded compound library with a protein target, followed by covalent cross-linking to obtain a covalently cross-linked complex; separating the covalently cross-linked complex from members in the library that do not bind to the protein target; and subjecting the covalently cross-linked complex to polymerase chain reaction (PCR) amplification and DNA sequencing.

Abstract: A simplified zoom lens module includes first to third lens units, first and second driving assemblies, and a housing. The lens units are arranged along an optical axis. The first driving assembly moves the second lens unit back and forth relative to the first lens unit, the second driving assembly moves the third lens unit back and forth relative to the second lens unit. The first driving assembly includes a first magnet which interacts with a second magnet, one being a permanent magnet, the other being an electromagnet. The first magnet is fixed inside the housing, the second magnet is fixed on the second lens unit. The first and second magnets are attracted to or repelled from each other by voltage and current fed to the electromagnet, thereby moving the lens and changing the focus of the lens module. A module and image-capturing device are also disclosed.

Abstract: A thinned lens module with high imaging quality comprises a base, an optical filter, and a metal sheet. The base defines a first receiving groove and a second receiving groove communicating with the first receiving groove. The metal sheet is received in the first receiving groove and fixed to a sidewall of the first receiving groove. The optical filter is received in the second receiving groove and fixed on the metal sheet. An electronic device including the lens module is also disclosed.

Abstract: A lens module, constructed to include all necessary filters but retaining its wide-angle characteristic and short focal length, is comprised of a housing, a cover plate, and a filter switcher. The housing and the cover plate form a receiving cavity, the cavity containing the filter switcher. The filter switcher includes holder, two mounting frames, two first adhesive layers, and two filters, and is of minimal thickness. The two first adhesive layers fix the filters on the two mounting frames. An enlarged installation space within the lens module is not required. The disclosure also relates to an electronic device using the lens module.

Abstract: A camera module includes a circuit board, a lens assembly, a filter, and a mounting frame. The lens assembly is arranged on the circuit board, the mounting frame is arranged between the circuit board lens assembly. A through hole penetrates the mounting frame. A protrusion extends from an inner surface defining the through hole toward a central axis of the through hole. The filter is mounted on a side of the protrusion facing away from the circuit board. A first barrier layer is arranged on an edge area of a surface of the filter facing away from the circuit board. A gap is formed between the filter and the inner surface. A second barrier layer is located in the gap, and a surface of the second barrier layer facing away from the circuit board is located at a side of the first barrier layer facing away from the circuit board.

Abstract: A lens module with inbuilt shock-absorbency includes a carrier, a lens barrel arranged on the carrier, a lens assembly accommodated in the lens barrel, and an optical filter arranged on the carrier. The lens assembly includes a buffer member arranged on a bottom of the lens assembly facing the carrier, and a reinforcing member arranged on a side wall of the lens assembly facing the lens barrel. When the lens module is dropped or otherwise impacted, the buffer member reduces the shock of impact applied to the image sensor. The reinforcing member strengths the lens assembly, reducing a risk of loosening of the lens assembly.

Abstract: A lens module of reduced size includes a circuit board, a mounting base, and electronic components. The mounting base is disposed on the circuit board, and includes a base plate and a first flange surrounding edges of the base plate. A portion of the bottom surface of the base plate includes a first area, a second area, a third area, and a fourth area. The first flange includes a first flange portion disposed on the first area and a second flange portion disposed on the second area. The electronic components are disposed on the circuit board, and disposed under at least one of the third area and the fourth area.

Abstract: A lens module of reduced size includes a base and an adhesive body. The base includes a first base portion and a second base portion located outside the first base portion. The first base portion is made of plastic and the second base portion is made of metal. The base further comprises a slot. The adhesive body is received in the slot and connects the first base portion and the second base portion. The disclosure also provides an electronic device having the lens module.

Abstract: A lens module includes a circuit board and a photosensitive chip. The first rigid portion includes a first through hole. The lens module further includes a metal board. The metal board includes a metal body and a convex box located on one of the surfaces of the metal body. The circuit board is mounted on a surface of the metal board. The convex box is received in the first through hole. The photosensitive chip is mounted on the convex box. The disclosure also provides an electronic device having the lens module.

Abstract: A digital-to-time converter (DTC) converts a digital code into a time delay using a capacitor digital-to-analog converter (CDAC) that functions as a charging capacitor. The DTC includes a switched capacitor voltage-to-current converter for the formation of a charging current (or a discharging current) for charging (or for discharging) the charging capacitor responsive to a triggering clock edge that begins the time delay. A comparator compares a voltage on the charging capacitor to a threshold voltage to determine an end of the time delay.

Abstract: The present disclosure discloses a method and a device for processing programming data. The method includes: acquiring programming data of a target object; identifying a programming behavior of the target object according to the programming data; and determining programming contribution rates of the target object, an automatic code generation tool and a programming platform according to the programming behavior.

Abstract: A lens base with improved strength and reduced size includes a bracket and a lens holder connected to the bracket. The bracket includes a cover plate and a side plate, the side plate connects to the cover plate to form a receiving groove, the cover plate defines a first aperture, the first aperture penetrates the cover plate. The lens holder faces away from the receiving groove, the lens holder defines a second aperture, the second aperture faces the first aperture.

Abstract: A camera module includes a filter, a supporting base, a metal sheet, and a fixing member. The supporting base includes a first through hole, a first surface, and a second surface. A receiving groove is recessed from the second surface toward the first surface, an inner wall defining the receiving groove includes a bottom surface. The first through hole penetrates the first surface and the bottom surface. The metal sheet is received in the receiving groove and includes a second through hole. A central axis of the second through hole is collinear with a central axis of the first through hole. The metal sheet further includes a supporting platform exposed from the first through hole, the filter is mounted on the supporting platform and received in the first through hole. The fixing member is arranged on the supporting base to fix the metal sheet to the supporting base.

Abstract: A tray feeding box includes a box body; a cover, arranged at a first end of the box body; and a bottom board, arranged at a second end of the box body away from the cover. The cover includes at least one first cover arranged at the first end of the box body. The at least one first cover is defined with a first opening. The box body is defined with a take-out gap communicated with the first opening.

Abstract: A camera module miniaturized in both width and length includes a baseplate, a lens assembly, and a bracket. The bracket includes a support plate and a support member disposed on the support plate. The support plate includes a first surface facing away from the baseplate and a second surface facing the baseplate. The support plate defines a first opening penetrating the first surface and the second surface. The lens assembly is disposed on the first surface and completely covers the first opening. The support member is located between the support plate and the baseplate. The support member includes a first support portion and a plurality of second support portions arranged at intervals, the first support portion is disposed on the second surface and surrounds the peripheral edge of the first opening. Each second support portion extends outwards from an outer surface of the first support portion.