Abstract: The invention introduces a method for garbage collection (GC) in a flash memory device, performed by a processing unit, includes: finding a source block (SBLK) associated with a hit accumulated valid page count (VPC) that is the first one exceeding a total number of physical pages in one destination block (DBLK); labeling the found SBLK and its subsequent SBLKs as first-type SBLKs; labeling the other SBLKs as second-type SBLKs; obtaining Host-address To Flash-address mapping (H2F) sub-tables corresponding to valid pages stored in the second-type SBLKs; in the scanning for each H2F sub-table, detecting valid pages stored in the first-type and the second-type SBLKs, and appending records into a GC table for the valid pages; and reprogramming user data of a designated physical page in a designated first-type or second-type SBLK into a designated physical page in the DBLK according to each record in the GC table.

Abstract: An optical imaging lens assembly includes at least one optical lens element. The optical lens element includes an anti-reflective coating, and the anti-reflective coating is arranged on at least one surface of the optical lens element. The anti-reflective coating includes a high-low refractive coating and a gradient refractive coating, and the high-low refractive coating is arranged between the optical lens element and the gradient refractive coating. The high-low refractive coating includes at least one high refractive coating layer and at least one low refractive coating layer, which are stacked in alternations. The low refractive coating layer is in contact with the optical lens element. The gradient refractive coating includes a plurality of holes, and the holes away from the optical lens element are relatively larger than the holes close to the optical lens element.

Abstract: An imaging optical lens system includes five lens elements which are, in order from an object side to an image side along an optical path: a first lens element, a second lens element, a third lens element, a fourth lens element and a fifth lens element. The first lens element has positive refractive power. The second lens element has an image-side surface being concave in a paraxial region thereof. The third lens element has an object-side surface being convex in a paraxial region thereof and an image-side surface being concave in a paraxial region thereof. The fourth lens element has an object-side surface being convex in a paraxial region thereof and an image-side surface being concave in a paraxial region thereof.

Abstract: A method for performing garbage collection (GC) management of a memory device with aid of block classification and associated apparatus are provided. The method may include: utilizing a memory controller to divide at least one portion of blocks among a plurality of blocks into multiple first blocks belonging to at least one first type in a first area and multiple second blocks belonging to at least one second type in a second area; utilizing the memory controller to receive a first command from a host device through a transmission interface circuit within the memory controller; and during writing data in response to the first command, performing a foreground GC procedure to control the memory device to perform GC before completing at least one writing operation corresponding to the first command, for controlling priority of releasing storage space of the second area to be higher than that of the first area.

Abstract: An optical photographing lens assembly includes two lens element groups, the two lens element groups include six lens elements, the two lens element groups being, in order from an object side to an image side along an optical path, a first lens element group and a second lens element group. The six lens elements are, in order from the object side to the image side along the optical path, a first lens element, a second lens element, a third lens element, a fourth lens element, a fifth lens element and a sixth lens element. Each of the six lens elements has an object-side surface towards the object side and an image-side surface towards the image side.

Abstract: The present invention provides a control method of a flash memory controller, which includes the steps of: setting a waiting time in an interrupt coalescing mechanism, and setting a timer, wherein a timeout value of the timer is equal to the waiting time; receiving multiple commands from a submission queue in a host device, generating multiple command responses after processing the multiple commands, and writing the multiple command responses to a completion queue in the host device; receiving a submission queue tail and a completion queue head from the host device; and when the timer reaches the timeout value, subtracting the completion queue head from the submission queue tail to obtain a queue depth of a command queue of the host device.

Abstract: A semiconductor package structure includes a semiconductor die, at least one wiring structure, a metal support, a passive element, a plurality of signal vias, and a plurality of thermal structures. The semiconductor die has an active surface. The at least one wiring structure is electrically connected to the active surface of the semiconductor die. The metal support is used for supporting the semiconductor die. The passive element is electrically connected to the semiconductor die. The signal vias are electrically connecting the passive element and the semiconductor die. The thermal structures are connected to the passive element, and the thermal structures are disposed on a periphery of the at least one wiring structure.

Abstract: An optical photographing lens assembly includes seven lens elements which are, in order from an object side to an image side along an optical path, a first lens element, a second lens element, a third lens element, a fourth lens element, a fifth lens element, a sixth lens element and a seventh lens element. The object-side surface of the first lens element is convex in a paraxial region thereof. The second lens element has positive refractive power. The third lens element has negative refractive power. The image-side surface of the third lens element is concave in a paraxial region thereof. The image-side surface of the seventh lens element is concave in a paraxial region thereof. At least one of the object-side surface and the image-side surface of at least one lens element of the seven lens elements has at least one inflection point.

Abstract: An optical imaging lens assembly includes nine lens elements which are, in order from an object side to an image side: a first lens element, a second lens element, a third lens element, a fourth lens element, a fifth lens element, a sixth lens element, a seventh lens element, an eighth lens element and a ninth lens element. The first lens element has negative refractive power. The second lens element with negative refractive power has an object-side surface being convex and an image-side surface being concave in a paraxial region thereof. The fourth lens element has an image-side surface being convex in a paraxial region thereof. The fifth lens element has positive refractive power. The sixth lens element has an image-side surface being concave in a paraxial region thereof. The eighth lens element with negative refractive power has an object-side surface being concave in a paraxial region thereof.

Abstract: A cushion for a wearable device includes an outer cover layer and an inner cushion. The outer cover layer includes a first base material, a heat conducting material and a first heat storage material. The heat conducting material and the first heat storage material are dispersed in the first base material. The enthalpy value of the outer cover layer is less than or equal to 5 J/g. The inner cushion includes a second base material and a second heat storage material. The second heat storage material is dispersed in the second base material. The enthalpy value of the inner cushion is greater than that of the outer cover layer. The difference between the enthalpy value of the inner cushion and the enthalpy value of the outer cover layer is greater than 45 J/g.

Abstract: An optical imaging lens assembly includes seven lens elements which are, in order from an object side to an image side along an optical path: a first lens element, a second lens element, a third lens element, a fourth lens element, a fifth lens element, a sixth lens element and a seventh lens element. Each of the seven lens elements has an object-side surface facing toward the object side and an image-side surface facing toward the image side. The second lens element has negative refractive power. The object-side surface of the third lens element is concave in a paraxial region thereof. The fourth lens element has positive refractive power. The image-side surface of the fifth lens element is concave in a paraxial region thereof. The sixth lens element has positive refractive power, and the image-side surface of the sixth lens element is convex in a paraxial region thereof.

Abstract: An imaging lens system includes seven lens elements which are, in order from an object side to an image side along an optical path, a first lens element, a second lens element, a third lens element, a fourth lens element, a fifth lens element, a sixth lens element and a seventh lens element. Each of the seven lens elements has an object-side surface facing toward the object side and an image-side surface facing toward the image side. The first lens element has negative refractive power. The image-side surface of the fifth lens element is convex in a paraxial region thereof. The sixth lens element has negative refractive power. The object-side surface of the sixth lens element is concave in a paraxial region thereof. At least one of the object-side surface and the image-side surface of at least one of the seven lens elements has at least one inflection point.

Abstract: A wrist-wearable electronic device comprising a house, a display, and a lens module. The lens module is coupled to a sidewall of the housing and can include a first light emitting element, a lens, and a first Frensel structure. The lens includes a body, a lower surface, and an upper surface. The first Frensel structure is disposed on the lower surface of the lens and is configured to disperse light generated by the first light emitting element into the body of the lens.

Abstract: An optical photographing lens assembly includes six lens elements which are, in order from an object side to an image side along an optical path, a first lens element, a second lens element, a third lens element, a fourth lens element, a fifth lens element, and a sixth lens element. Each of the six lens elements has an object-side surface facing toward the object side and an image-side surface facing toward the image side. The first lens element has positive refractive power. The fourth lens element has positive refractive power. The image-side surface of the fourth lens element is convex in a paraxial region thereof. The image-side surface of the fifth lens element is concave in a paraxial region thereof. The sixth lens element has negative refractive power. The object-side surface of the sixth lens element is convex in a paraxial region thereof.

Abstract: An image capturing system lens assembly includes eight lens elements, the eight lens elements being, in order from an object side to an image side, a first lens element, a second lens element, a third lens element, a fourth lens element, a fifth lens element, a sixth lens element, a seventh lens element and an eighth lens element. Each of the eight lens elements has an object-side surface towards the object side and an image-side surface towards the image side. The fourth lens element has negative refractive power. The image-side surface of the eighth lens element is concave in a paraxial region thereof, and the image-side surface of the eighth lens element includes at least one inflection point.

Abstract: A method for performing access control of a memory device with aid of interrupt management includes: utilizing a memory controller to receive a set of commands from a host device through a transmission interface circuit of the memory controller; and in response to the set of commands, utilizing the memory controller to perform a set of accessing operations upon a non-volatile (NV) memory for the host device, and return a single message-signaled interrupt (MSI) corresponding to the set of commands to the host device through the transmission interface circuit, for notifying the host device of completion of device side access control of the memory device regarding the set of commands, to allow the host device to complete host side access control of the host device regarding the set of commands.

Abstract: A chain lock comprises a lock body with a cylindrical shape and a chain connected to the lock body at one end and to a bolt at the other end. The lock body has two shells, with the second shell sleeved within the first shell. Inside the second shell, there is a lock core, a lock seat, and an installation seat. The lock seat and the chain are connected at opposite ends of the installation seat. An actuating element connects the lock core and the lock seat, allowing them to rotate simultaneously. The side wall of the lock seat features an insertion portion for inserting the bolt comprising a first slot and a second slot, wherein the width of the first slot is greater than the width of the second slot.

Abstract: A photographing lens assembly includes five lens elements which are, in order from an object side to an image side along an optical path, a first lens element, a second lens element, a third lens element, a fourth lens element and a fifth lens element. Each of the five lens elements has an object-side surface facing toward the object side and an image-side surface facing toward the image side. The first lens element has positive refractive power. The third lens element has negative refractive power, the object-side surface of the third lens element is convex in a paraxial region thereof, and the image-side surface of the third lens element is concave in a paraxial region thereof. At least one of the object-side surface and the image-side surface of at least one lens element of the photographing lens assembly is aspheric.

Abstract: A method of managing a garbage collection (GC) operation on a flash memory includes: dividing a GC operation into a plurality of partial GC operations; determining a default partial GC operation time period for each partial GC operation; determining a partial GC intensity according to at least a basic adjustment factor and an amplification factor; determining the basic adjustment factor according to a type of one or more source blocks corresponding to the GC operation; determining the amplification factor according to a percentage of invalid pages in the one or more source blocks corresponding to the GC operation; and performing the plurality of partial GC operations according to the partial GC intensity and the default partial GC operation time period.

Abstract: A method of managing a garbage collection (GC) operation on a flash memory includes: dividing a GC operation into a plurality of partial GC operations; determining a default partial GC operation time period for each partial GC operation; determining a partial GC intensity according to at least a basic adjustment factor and an amplification factor; determining the basic adjustment factor according to a type of one or more source blocks corresponding to the GC operation; determining the amplification factor according to a percentage of invalid pages in the one or more source blocks corresponding to the GC operation; and performing the plurality of partial GC operations according to the partial GC intensity and the default partial GC operation time period.