Abstract: An insulating wall fixing device for liquefied natural gas storage tanks includes: a base socket; and a securing stud inserted into the base socket. The base socket is formed on an upper surface thereof with an insertion hole through which the securing stud is inserted into the base socket and has an interior space in which one end of the securing stud is settled. The securing stud includes an insertion portion inserted into the interior space of the base socket through the insertion hole and a fastening portion protruding from the insertion portion outwardly of the base socket. The insertion portion includes a spherical shape and multiple leg members divided by a groove formed from one end of the insertion portion to the other end of the insertion portion. The multiple leg members of the insertion portion are retracted toward the groove.

Abstract: An optical imaging system includes a plurality of lenses disposed along an optical axis from an object side of the optical imaging system toward an imaging plane of the optical imaging system. The lenses are separated from each other by respective air gaps along the optical axis between the lenses. The lenses include a first lens closest to the object side of the optical imaging system. The conditional expressions 1.5 mm<Gmax, TL<12.0 mm, and 0.15<R1/f are satisfied, where Gmax is a maximum air gap along the optical axis among all of the air gaps, TL is a length of the optical imaging system along the optical axis from an object-side surface of the first lens to the imaging plane, R1 is a radius of curvature of the object-side surface of the first lens, and f is a focal length of the optical imaging system.

Abstract: A method, performed by a user equipment (UE), of transmitting and receiving signals in a wireless communication system, according to an embodiment, includes receiving a logical channel release request from a next-generation node B (gNB), determining a logical channel to release, an operation mode of the logical channel to release, and whether a packet data convergence protocol (PDCP) layer apparatus connected to the logical channel is re-established, based on the logical channel release request, and performing PDCP data recovery based on the determination result.

Abstract: An optical imaging system includes a first lens having positive refractive power, a convex object-side surface and a concave image-side surface; a second lens having negative refractive power, a convex object-side surface and a concave image-side surface; a third lens having positive refractive power; a fourth lens having negative refractive power; a fifth lens; a sixth lens having a convex object-side surface; and a seventh lens having negative refractive power, a convex object-side surface and a concave image-side surface, wherein the first to seventh lenses are disposed in order from an object side toward an imaging plane, wherein the optical imaging system has a total of seven lenses, and wherein 0<f1/f<1.5, ?5<f2/f<?1, ?10<f3/f/100<2, ?5<f4/f/100<1, ?0.5<f1/f2<0, ?1<f1/f3<3, 70°<FOV×(IMG HT/f), and |f1/f4/n4|<0.3 are satisfied.

Abstract: An optical imaging system includes a first lens having positive refractive power, a second lens having negative refractive power, a third lens, a fourth lens, a fifth lens, a sixth lens, a seventh lens, and an eighth lens disposed in order from an object side. A refractive index of the second lens is greater than a refractive index of each of the first lens and the third lens. The optical imaging system satisfies TTL/(2×IMG HT)<0.6 and 0<f1/f<1.4, where TTL is a distance on an optical axis from an object-side surface of the first lens to an imaging plane, IMG HT is half a diagonal length of the imaging plane, f is a total focal length of the optical imaging system, and f1 is a focal length of the first lens.

Abstract: Methods and apparatuses are provided in a wireless communication system. Packet data convergence protocol (PDCP) configuration information that configures a PDCP entity of the terminal to use an uplink data compression (UDC) is received from a base station. The PDCP entity generates a UDC header and a UDC data block, based on the PDCP configuration information. The PDCP entity ciphers the UDC header and the UDC data block. The PDCP entity generates PDCP data including a PDCP header, the ciphered UDC header and the ciphered UDC data block. The generated PDCP data is transmitted to the base station. A header compression is not configured in case that the UDC is configured.

Abstract: An imaging lens system includes 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 disposed in order from an object side, wherein the first lens has positive refractive power, wherein the fourth lens has a concave image-side surface, wherein the seventh lens has positive refractive power and has a convex object-side surface, and wherein the imaging lens system satisfies a conditional expression as follows: 0.12<G12/G45<0.52 where G12 is a distance from an image-side surface of the first lens to an object-side surface of the second lens, and G45 is a distance from an image-side surface of the fourth lens to an object-side surface of the fifth lens.

Abstract: An optical imaging system includes a plurality of lenses disposed along an optical axis from an object side of the optical imaging system toward an imaging plane of the optical imaging system. The lenses are separated from each other by respective air gaps along the optical axis between the lenses. The lenses include a first lens closest to the object side of the optical imaging system. The conditional expressions 1.5 mm<Gmax, TL<12.0 mm, and 0.15<R1/f are satisfied, where Gmax is a maximum air gap along the optical axis among all of the air gaps, TL is a length of the optical imaging system along the optical axis from an object-side surface of the first lens to the imaging plane, R1 is a radius of curvature of the object-side surface of the first lens, and f is a focal length of the optical imaging system.

Abstract: This application describes a method, a device, and a computer readable recording medium for managing an externally imported file. The method may be performed by determining that a created file is a monitoring target file based on a target extension and a target process of management policy information received from a management server, collecting file information of the file in response to the file being determined as the monitoring target file, determining whether the file is an externally imported file based on the file information and network traffic information, and recording import information in the file information in response to the file being determined as the externally imported file.

Abstract: An optical imaging system includes a first lens, a second lens, a third lens, a fourth lens, a fifth lens, a sixth lens, and a seventh lens disposed in sequence to be spaced apart from an object side. The second lens, the fourth lens, and the fifth lens have a refractive index of 1.6 or more, and the optical imaging system satisfies the following conditional expression: OAL/2IMH<0.6, where OAL is a distance from an object-side surface of the first lens to an image plane, and 2IMH is a diagonal length of the image plane.

Abstract: One or more systems and/or methods are disclosed for building a relief print generator with no bezel. An electrode layer having more than one electrode can be used in an electrode-based, electro-luminescence component of the relief print generator. The respective electrodes may be connected to power sources with different voltage phases. An electrical circuit can be created between a biometric object and more than one electrode in the electrode layer when the biometric object contacts a surface of the generator. The electro-luminescent component can be activated by electrical charge and emit light indicative of a relief print of the biometric object. A contact electrode outside the electrode layer may not be used, which may allow for the removal of a bezel from an example device.

Abstract: An optical imaging system is provided. The optical imaging system includes: 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 arranged in order from an object side to an imaging side, wherein the first lens has positive refractive power and the second lens has negative refractive power, wherein at least one lens of the first lens to the eighth lens is formed of glass, and the remaining lenses are formed of plastic, and TTL/(2×IMG HT)<0.6 is satisfied, where TTL indicates a distance on an optical axis from an object-side surface of the first lens to an imaging plane, and IMG HT indicates half a diagonal length of the imaging plane.

Abstract: An optical imaging system including a first lens, a second lens, a third lens, a fourth lens, a fifth lens, and a sixth lens sequentially arranged from an object side toward an imaging plane, wherein an object-side surface of the sixth lens is convex, and wherein one of the first lens to the sixth lens is a variable focus lens configured to have a variable focal length.

Abstract: An optical imaging system includes a first lens, a second lens, a third lens, a fourth lens, a fifth lens, a sixth lens and a seventh lens disposed in order from an object side. The first lens has positive refractive power, and the second lens has negative refractive power. TTL/(2×IMG HT)<0.6 and ?0.15<SAG52/f<0 are satisfied, where TTL is a distance from an object-side surface of the first lens to an imaging plane on an optical axis, IMG HT is half a diagonal length of the imaging plane, SAG52 is a fifth SAG value at an end of an effective diameter of an image-side surface of the fifth lens, and f is a total focal length the optical imaging system.

Abstract: An optical imaging system includes 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 disposed in order from an object side. The first lens has positive refractive power, and the second lens has negative refractive power. At least three of the first to eighth lenses each has a refractive index of 1.61 or more, and (TTL/(2×IMG HT))×(TTL/f)<0.64 is satisfied, where TTL is a distance from an object-side surface of the first lens to an imaging plane on an optical axis, IMG HT is half a diagonal length of the imaging plane, and f is a total focal length of the first lens to the eighth lens.

Abstract: An imaging lens system includes: a first lens, a second lens, a third lens, a fourth lens, a fifth lens, a sixth lens, and a seventh lens sequentially disposed from an object side. The fourth lens has negative refractive power and the fifth lens has negative refractive power, and a ratio (TTL/2lmgHT) between a distance (TTL) from an object-side surface of the first lens to an imaging plane and a diagonal length (2lmgHT) of the imaging plane is 0.6 or less.

Abstract: An optical system includes a first lens group including at least one lens, and a second lens group including at least one lens, wherein the first lens group and the second lens group are disposed in order from an object side, wherein each of the first lens group and the second lens group is configured to move in an optical axis direction to change a magnification between a wide-angle end and a telephoto end, and wherein G1F is a focal length of the first lens group, G2F is a focal length of the second lens group, and |G1F/G2F| has a value of between 0.5 and 1.

Abstract: An optical imaging system is provided. The optical imaging system includes 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 disposed in order from an object side to an imaging side. The first lens has positive refractive power, while the second lens has negative refractive power, and TTL/(2×IMG HT)<0.6, ?0.2<SAG52/TTL<0, and 10<v1?(v6+v7)/2<30 are satisfied, where TTL is a distance from an object-side surface of the first lens to an imaging plane on an optical axis, IMG HT is equal to half a diagonal length of the imaging plane, SAG52 is a SAG value at an end of an effective aperture of an image-side surface of the fifth lens, v1 is an Abbe number of the first lens, v6 is an Abbe number of the sixth lens, and v7 is an Abbe number of the seventh lens.

Abstract: An optical imaging system includes: a first lens, a second lens, a third lens having positive refractive power, a fourth lens, a fifth lens, a sixth lens, and a seventh lens sequentially arranged from an object side, and the imaging lens system satisfies OAL/imgH/2<0.6, where OAL is a distance from an object-side surface of the first lens to an image plane, and imgH is equal to half a diagonal length of the image plane.

Abstract: An optical imaging system includes a first lens, a second lens, a third lens, a fourth lens, a fifth lens, a sixth lens and a seventh lens, disposed in order from an object side, wherein the first lens has positive refractive power, and the second lens has negative refractive power, and wherein 0.5 < TTL/(2×IMG HT) < 0.67 is satisfied, where TTL is a distance from an object-side surface of the first lens to an imaging plane on an optical axis, and IMG HT is half a diagonal length of the imaging plane.