Abstract: A noised-reduced capacitive image sensor and a method operating the capacitive image sensor are provided. In order to generate a noise-reduced image of a fingerprint, the capacitive image sensor has an array of capacitive sensing units which each has a protective layer; a sensing electrode; a voltage follower; a comparative capacitor; and a bias voltage supply circuit. The comparative capacitor, a portion of the bias voltage supply circuit, and the voltage follower are formed in an isolated well which is configured in such a way that current is able to be prevented from flowing across an interface in the isolated well and surrounding structures. The driving source is connected to a bulk node of the isolated well such that well potential of the isolated well equals to the output electric potential of a driving source.

Abstract: According to various embodiments, a device may be provided. The device may include a bootloader; a memory configured to store firmware data for controlling the device; a processor configured to operate in a device operation mode or in a bootloader mode: and an interface. The device operation mode may be a mode in which the processor controls the bootloader to load the firmware data stored, in the memory. The bootloader mode may be a mode in which the processor controls the bootloader to send an identifier of the device using the interface, to receive firmware data using the interface and to store the firmware data in the memory.

Abstract: A capacitive image sensor with noise reduction feature and a method operating the capacitive image sensor are provided. The capacitive image sensor includes: a number of capacitive sensing units, arranged in a form of an array, wherein each of the number of capacitive sensing units switches between three states: sensing state, idle state, and emitting state; a driving source, for providing a driving signal to an adjacent finger overlying the number of capacitive sensing units through the number of capacitive sensing units which are in the emitting state; a number of driving switches, each connected between one of the number of capacitive sensing units and the driving source; and a control and timing logic, connected to each of the number of driving switches, for controlling the state of each of the number of capacitive sensing units.

Abstract: The present application provides a package sealing structure, a preparation method thereof and a flexible packaging battery. In a package peripheral region of the package sealing structure, the insulating heat sealing layers of the two layers of packaging film face each other and are melted into one body to form an insulating fusion layer which seals and bonds the two layers of the packaging film together. The insulating fusion layer is formed with an overflow portion that overflows from the package peripheral region of the package sealing structure to the outer end surfaces of the core metal layers of the two layers of packaging film and covers completely the outer end surfaces of the core metal layer of the two layers of packaging film, so that the outer end surfaces of the core metal layers are insulated from the peripheral environment.

Abstract: The invention provides an electrode piece, a cell and an energy storage device. The electrode piece is used to form the cell, comprising: a current collector; a diaphragm; and a groove. Among them, the current collector exposed at the bottom of the groove is a blank current collector, and the blank current collector is formed with a connecting portion; the connecting portion is cut out from the blank current collector as a part of the blank current collector and bent on the blank current collector along the width direction; and at least a portion of the connecting portion extends beyond the outer edge of the current collector in the width direction. The electrode piece of the invention can increase the energy density of the cell and the connection strength of the blank current collector of the electrode tab and the electrode piece, and reduce the production cost.

Abstract: A fingerprint sensing device and a method operating the fingerprint sensing device are provided. The fingerprint sensing device includes at least one sensing core, a system unit, at least one switching unit and a charge holding unit. The switching unit is connected between the sensing core and the system unit to provide four different operation states: a normal state; an isolation state; a drive-up state; and a drive-down state. A voltage shift between the finger and the sensing core is generated by controlling the switching unit to perform different operation states in various orders.

Abstract: A test bed for electric wheel comprehensive performance is characterized in that the test bed comprises a foundation, a portal frame set on the foundation and including a cross beam and two columns supporting both ends of the cross beam individually, a main pin arm movably connected to the portal frame, and a main rotation shaft revolvably and perpendicularly mounted on the top of the main pin arm, wherein the electric wheel is mounted on the main pin arm and is located inside of the portal frame and right below the main rotation shaft. The test bed further comprises at least one of a road simulation mechanism, an inertia simulation mechanism, a driving power mechanism, a perpendicular loading mechanism, and a steering mechanism which take the simulation test on the electric wheel.

Abstract: The present application relates to the field of energy storage devices and, in particular, relates to a battery electrode, and a secondary battery using the battery electrode. The battery electrode comprises an electrode tab, a current collector, and a diaphragm attached onto at least one surface of the current collector, wherein the diaphragm is provided with a groove, the electrode tab is embedded into the groove and is electrically connected with the current collector, the electrode tab comprises an embedded portion embedded in the groove and an exposed portion protruded outside the groove; wherein an upper surface of the embedded portion is covered with an active material coating layer. According to the present application, an embedded electrode tab is adopted, and a diaphragm covers a surface of an embedded portion.

Abstract: A capacitive image sensor with noise reduction feature and a method operating the capacitive image sensor are provided. The capacitive image sensor includes: a number of capacitive sensing units, arranged in a form of an array, wherein each of the number of capacitive sensing units switches between three states: sensing state, idle state, and emitting state; a driving source, for providing a driving signal to an adjacent finger overlying the number of capacitive sensing units through the number of capacitive sensing units which are in the emitting state; a number of driving switches, each connected between one of the number of capacitive sensing units and the driving source; and a control and timing logic, connected to each of the number of driving switches, for controlling the state of each of the number of capacitive sensing units.

Abstract: A fingerprint sensing device and a method operating the fingerprint sensing device are provided. The fingerprint sensing device includes at least one sensing core, a system unit, at least one switching unit and a charge holding unit. The switching unit is connected between the sensing core and the system unit to provide four different operation states: a normal state; an isolation state; a drive-up state; and a drive-down state. A voltage shift between the finger and the sensing core is generated by controlling the switching unit to perform different operation states in various orders.

Abstract: A silicon wafer having colored top side is disclosed in the present invention. The silicon wafer includes: a wafer; a first semi-conductor layer, formed on at least a portion of a top side of the wafer, having periodical structures to form a grating pattern, and a second semi-conductor layer, formed on the first semi-conductor layer with a bottom side substantially fully contacted with the periodical structures. The first semi-conductor layer and the second semi-conductor layer form a photonic crystal layer and work to reflect a predetermined wavelength range of incident visible light beams. The present invention provides a silicon wafer which can reflect specified color(s) from the surface facing external light beams. Therefore, dies from cutting the silicon wafer with functions to interact with external environment rather than packaged can have advantages to show some specified logo or trademark.

Abstract: A method of edge sealing for a secondary lithium battery, including: (1) drawing a 3D model of a battery edge of a secondary lithium battery, and inputting it into a 3D printer; (2) positioning the secondary lithium battery in a 3D printing area, and fixing a relative position of the secondary lithium battery in the 3D printing area; (3) stimulating, by the 3D printer, the battery edge according to the 3D model and setting a printing path; (4) adding edge sealing glue in a printing head of the 3D printer, the printing head moves according to the set printing path and meantime performs at least one time of printing, so that printed edge sealing glue covers the battery edge; (5) solidifying the edge sealing glue. The method of edge sealing of this application has broader application, which can be applied to batteries of any shape.

Abstract: A capacitive image sensor with noise reduction feature and a method operating the capacitive image sensor are provided. The capacitive image sensor includes: a number of capacitive sensing units forming an array, each capacitive sensing unit for transforming a distance between a portion of a surface of an approaching finger and a top surface thereof into an output electric potential, wherein a value of the output electric potential is changed by a driving signal coupled on the finger; at least one sample-and-hold circuit for capturing and retaining different output electric potentials; at least one signal conditioning circuit, each comprising: at least one differential amplifier for amplifying a difference between two electric potentials retained by the sample-and-hold circuit; and a driving source, for providing the driving signal to the finger.

Abstract: A noised-reduced capacitive image sensor and a method operating the capacitive image sensor are provided. The capacitive image sensor includes: a number of capacitive sensing units forming an array, each capacitive sensing unit for transforming a distance between a portion of a surface of an approaching finger and a top surface thereof into an output electric potential, wherein a value of the output electric potential is changed by a driving signal applied to the sensing unit; at least one sample-and-hold circuit for capturing and retaining different output electric potentials; at least one signal conditioning circuit, each comprising at least one differential amplifier for amplifying a difference between two electric potentials retained by the sample-and-hold circuit; and a driving source, for providing the driving signal to the capacitive sensing units.

Abstract: A noised-reduced capacitive image sensor and a method operating the capacitive image sensor are provided. The capacitive image sensor includes: a semiconductor substrate, at least one driving source and an array of capacitive sensing units formed on said semiconductor substrate, characterized in that each of said capacitive sensing unit comprises: a protective layer to be touched by said finger; a sensing electrode arranged underneath said protective layer; a voltage follower, wherein an input node of the voltage follower is connected to the sensing electrode; a comparative capacitor, wherein one node of the comparative capacitor is electrically connected to the voltage follower, and the other node thereof is electrically connected to the driving source; and a bias voltage supply circuit, for providing different bias voltages to the sensing electrode.

Abstract: A capacitive image sensor and a method for operating the capacitive image sensor are provided. The capacitive image sensor has an array of capacitive sensing units for transforming a distance between each of the capacitive sensing units and a surface of an adjacent finger into an output electric potential. The capacitive sensing unit comprises: a protective layer; a first sensing plate, formed under the protective layer; a second sensing plate, formed under the first sensing plate; an active semiconductor circuitry, formed under the second sensing plate and connected to the first and second sensing plates; at least one first insulating layer, formed between the first sensing plate and the second sensing plate; and at least one second insulating layer, formed between the second sensing plate and the active semiconductor circuitry.

Abstract: Provided are a method, a system, and a computer program product in which a storage controller determines one or more resources that are impacted by an error. A cleanup of tasks associated with the one or more resources that are impacted by the error is performed, to recover from the error, wherein host input/output (I/O) operations continue to be processed, and wherein tasks associated with other resources continue to execute.

Abstract: Provided are a method, a system, and a computer program product in which a storage controller determines one or more resources that are impacted by an error. A cleanup of tasks associated with the one or more resources that are impacted by the error is performed, to recover from the error, wherein host input/output (I/O) operations continue to be processed, and wherein tasks associated with other resources continue to execute.

Abstract: A built-in oil-gas separating device includes a secondary oil-gas separator, a main oil-gas separator, an oil-gas barrel, an oil-gas barrel liner, and an oil-gas barrel lid. The secondary oil-gas separator is disposed inside the main oil-gas separator. The oil-gas barrel liner is disposed around the main oil-gas separator. The oil-gas barrel liner is disposed inside the oil-gas barrel. Upper end faces of the secondary oil-gas separator and the main oil-gas separator are sealingly connected to a lower end face of the oil-gas barrel lid. The oil-gas barrel lid has a gas discharging hole located above the secondary oil-gas separator. The gas discharging hole is sealingly connected to a pressure maintenance valve. The compressed air obtained by the double layer filtration structure of the present disclosure can achieve a 40% reduction in oil content as compared with the compressed air obtained by the ordinary single layer filtration structure.

Abstract: A capacitive fingerprint sensing unit and enhanced capacitive fingerprint reader using the capacitive fingerprint sensing units are disclosed. The enhanced capacitive fingerprint reader includes a number of capacitive fingerprint sensing units, forming a fingerprint sensing array; a conductive element; and an excitation signal driver, for providing excitation signals to the conductive element. By increasing the thicknesses of a first inter-metal dielectric layer and a second inter-metal dielectric layer in fingerprint sensing units in the enhanced capacitive fingerprint reader, sensitivity of the enhanced capacitive fingerprint reader can be improved.