Abstract: A memory module assisting in efficient heat dissipation includes a motherboard, a plurality of fixing devices, a plurality of memory cards, and a plurality of dummy memory cards. The fixing devices are fixed on the motherboard side by side. The memory cards are fixed on some of the fixing devices as necessary, and the dummy memory cards are fixed on the remaining fixing devices which are vacant. The dummy memory cards inserted into the vacant fixing devices prevent the flow of air through the space above the vacant fixing devices. An electronic device including the memory module is also disclosed.

Abstract: Described is an energy harvesting system comprising a transducer that generates an electric signal from ambient energy, and a processor adapted to process the electric signal to determine and output a characteristic of a source of the ambient energy. The characteristic may be a spoken word classification.

Abstract: A server chassis includes a housing provided with a receiving cavity and an opening. A number of trays is arranged in the receiving cavity in a stacked manner. Two sides of each tray are slidably coupled to the housing. Each of the trays is configured to slide out or retract into the receiving cavity through the opening. Each of the trays is used for carrying hard disks in multiple arrays. A difference between a height of the housing and a total height of the trays is less than a height of one tray.

Abstract: A locking structure applied to lock a first housing of a server cabinet to a second housing includes a main body, a control portion, a driving portion, and a hand-held portion. The main body is positioned at the first housing. The control portion is positioned inside the main body. One end of the driving portion is rotatably mounted to the control portion. One end of the hand-held portion is rotatably connected to the main body and other end of the driving portion. When the other end of the hand-held portion is operated, the hand-held portion moves towards the main body, and the driving portion moves the control portion, thereby driving the first housing to move towards the second housing.

Abstract: The present invention relates to a composite membrane. The composite membrane includes: an elastic polymer substrate having a first surface processed by a surface modification; and a thermosensitive conductive layer formed on the first surface by performing a co-polymerization process, allowing an electrical current to pass through, and altering a hydrophilicity of a membrane surface in response to a change of a temperature.

Abstract: The present invention relates to a bioreactor. The bioreactor includes a fluidic channel layer including a set of channels configured to generate a suction caused by a negative pressure or a retrieval force caused by a positive pressure; an elastic conductive layer configured with a pair of electrodes, configured on the fluidic channel layer, driven by the suction or the retrieval force to have a deformation toward a deformation direction, and receiving a voltage difference by the pair of the electrodes to form an electrical field along an electrical field direction; and a culture layer configured on the elastic conductive layer and providing for a biological tissue to culture in vitro on the elastic conductive layer.

Abstract: An in-memory computing method and an in-memory computing apparatus are adapted to perform multiply-accumulate (MAC) operations on a memory by a processor. In the method, a pre-processing operation is respectively performed on input data and weight data to be written into input lines and memory cells of the memory to divide the input data and weight data into a primary portion and a secondary portion. The input data and the weight data divided into the primary portion and the secondary portion are written into the input lines and the memory cells in batches to perform the MAC operations and obtain a plurality of computation results. According to a numeric value of each of the computation results, the computation results are filtered. According to the portions to which the computation results correspond, a post-processing operation is performed on the filtered computation results to obtain output data.

Abstract: A memory device and an operation method thereof are provided. The memory device includes: a memory array including a plurality of memory cells for storing a plurality of weights; a multiplication circuit coupled to the memory array, for performing bitwise multiplication on a plurality of input data and the weights to generate a plurality of multiplication results; a counting unit coupled to the multiplication circuit, for performing bitwise counting on the multiplication results to generate a MAC (multiplication and accumulation) operation result.

Abstract: A memory device and an operation method thereof are provided. The memory device includes: a memory array including a plurality of memory cells for storing a plurality of weights; a multiplication circuit for performing bitwise multiplication on a plurality of input data and the weights to generate a plurality of multiplication results, wherein in performing bitwise multiplication, the memory cells generate a plurality of memory cell currents; a digital accumulating circuit for performing a digital accumulating on the multiplication results; an analog accumulating circuit for performing an analog accumulating on the memory cell currents to generate a first MAC operation result; and a decision unit for deciding whether to perform the analog accumulating; the digital accumulating or a hybrid accumulating, wherein in performing the hybrid accumulating, whether the digital accumulating circuit is triggered is based on the first MAC operation result.

Abstract: Methods, devices, and systems for determining read voltages for memory systems are provided. In one aspect, a memory device includes an array of memory cells, an accumulating circuit, and a controller. Each of the memory cells is coupled to a corresponding word line of multiple word lines and a corresponding bit line of multiple bit lines. The accumulating circuit is configured to: when data stored in a page is read out by applying each of a plurality of read voltages on a word line corresponding to the page, accumulate read-out signals from multiple memory cells in the page to generate a respective output value that corresponds to the accumulated read-out signals for the read voltage. The controller is configured to determine a calibrated read voltage for the page based on the respective output values and the plurality of read voltages.

Abstract: An antenna device with high component-density but enhanced means of dissipating working heat includes a metal substrate of a wireless device, a coupler, a filter, a conductive layer, and an antenna element. The coupler is disposed on one side of the metal substrate, the metal substrate serving as a heat sink. The filter is disposed on the coupler. The conductive layer covers the coupler and is electrically connected to the filter and ground. The antenna element is disposed on the other side of the metal substrate relative to the coupler, passes through the metal substrate and is electrically connected to the coupler and the filter. A method for manufacturing the antenna device is also disclosed.

Abstract: Described is an energy harvesting system comprising a transducer that generates an electric signal from ambient energy, and a processor adapted to process the electric signal to determine and output a characteristic of a source of the ambient energy. The characteristic may be a spoken word classification.

Abstract: A method for regulating traffic of a Transmission Control Protocol (TCP) flow includes: deciding, based on a ratio of current bucket level to bucket size, a value of an Explicit Congestion Notification (ECN) bit of a packet; setting a field of a meter tag of the packet based on a packet length of the packet, the value of the ECN bit, and a current bucket level; updating the current bucket level based on the field of the meter tag; calculating an actual transmission rate; and determining an adjustment value based on a difference between the actual transmission rate and a target rate, and adjusting a rate of change of bucket level based on the adjustment value.

Abstract: A lens includes a casing, a first lens group, a second lens group and a heat dissipating member. The first lens group is disposed in the casing and close to a first side of the casing. The second lens group is disposed in the casing and close to a second side of the casing, wherein the first side is opposite to the second side. The heat dissipating member is disposed at the second side of the casing and contacts the casing.

Abstract: A fixing bracket includes a connecting plate, a top plate, and two side plates. The two side plates are parallel to each other and cooperatively define an accommodating space with the top plate and the connecting plate. The connecting plate, the top plate, and the two side plates are integrally formed. A cutout is defined in at least one of the connecting plate and the top plate for passing through a clamping spring.

Abstract: An electromagnetic leakage prevention device includes a bottom surface, first side walls, second side walls, a first connecting portion, and a second connecting portion. The first side walls are coupled to a side of the bottom surface. The second side walls are coupled to a side of the bottom surface opposite the first side walls. The first connecting portion is coupled to ends of the first side walls away from the bottom surface. The second connecting portion is coupled to ends of the second side walls away from the bottom surface. A distance between the first side walls and the second side walls increases along a direction away from the bottom surface.

Abstract: A tray device includes a tray body and a bracket mounted on the tray body. The tray body includes at least one connecting plate, a resilient sheet, and a handle assembly. The resilient sheet is coupled to the at least one connecting plate. The handle assembly includes a handle, a rotating shaft, and a snap hook. One end of the handle is hinge-mounted to the at least one connecting plate through the rotating shaft. The snap hook is located on the handle. The handle is fixed to the at least one connecting plate through the snap hook.

Abstract: A space-saving locking device for a server cabinet which does not present sharp edges to a user during handling locks a first housing to a second housing and includes first and second locking members. The first locking member includes a clamping portion with one end defining a latching slot, the second locking member includes a locking portion matching the latching slot. When the first locking member is operated, the locking portion is latched to the latching slot, and the first locking member is locked to the second member. When the latching slot is detached from the latching portion in a predetermined direction, the first locking member and the second locking member are unlocked.

Abstract: An intraoral scanner includes a projecting module, an image-capturing module, a linkage structure, and a manipulation part. The projecting module includes a first lens device and a light source. Light emitted by the light source is projected out of the intraoral scanner by the first lens device. The image-capturing module includes a second lens device and an image sensor. The image sensor receives the light from the outside of the intraoral scanner through the second lens device. The manipulation part is exposed from the intraoral scanner and is mechanically linked with the first or second lens device through the linkage structure. Therein, the manipulation part is operable to correspondingly move at least one first lens of the first lens device or at least one second lens of the second lens device through the linkage structure, so as to adjust a scanning zone of the intraoral scanner.

Abstract: A space-saving locking structure without sharp edges for a server cabinet can lock a first housing to a second housing and includes first and second locking members. The first locking member includes a locking portion with a tail portion, the second locking member includes a blocking portion. The blocking portion has a rounded surface such that when the first housing is pressed along a first direction, the first housing approaches and closes with the second housing, the tail portion being set against a top of the blocking portion. When the first housing is further pushed in a second direction, the tail portion slides along the rounded surface of the blocking portion until the tail portion abuts against the blocking portion to lock the first housing to the second housing.