Abstract: A common voltage compensation circuit and a compensation system for a display panel are provided. A compensation circuit includes a compensating unit configured to receive a common voltage outputted by the display panel; compensate the common voltage according to a compensation coefficient; and output the compensated common voltage to the display panel; and an adjusting unit configured to connect with a controlling unit in a phase of adjusting the display panel; receive an adjustment signal outputted by the controlling unit; and adjust the compensation coefficient of the compensating unit according to the adjustment signal.

Abstract: The present invention relates to an optical nanostructure sensing device and an image analysis method. The image analysis method includes: illuminating a light beam from a predetermined incident angle onto a nanostructure pixel sensor; capturing images of the nanostructure pixel sensor when applying an analyte on the nanostructure pixel sensor; obtaining a relationship of periodic spacing and brightness from each of the images; and obtaining wavelength values from the relationship of periodic spacing and brightness at a predetermined brightness value; and determining a sensing process based on a wavelength shift of the wavelength values. The nanostructure pixel sensor includes a plurality of the nanostructure pixels, each of the nanostructure pixels includes periodic nanostructures, and the relationship of periodic spacing and brightness is based on the brightness of the nanostructure pixels having different periodic spacings.

Abstract: The present disclosure relates to a metal nanoparticle sensor and fabrication method thereof. The metal nanoparticle sensor includes a SERS substrate, comprising a substrate, metal oxide nanostructures formed on the substrate, and metal nanoparticles grown on the metal oxide nanostructures. The metal oxide nanostructures include crystal facets. The metal nanoparticles substantially cover the crystal facets and the metal nanoparticles are grown in a vacuum chamber at an elevated substrate temperature.

Abstract: A driving circuit for a display panel and a method of driving the same are provided. The driving circuit includes that, when the time control chip is at an initialized state, the enabling control module controls the logic control module to turn off; and when the time control chip is at a state after the initialized state is finished the enable control module controls the logic control module to turn on to receive the modulating data provided by the time control chip.

Abstract: The present invention provides a sound device, which includes a bottom plate, a support fixed to the bottom plate, a frame arranged on the support, and a diaphragm fixed to the frame. The sound device further includes a first piezoelectric ceramic sheet and a second piezoelectric ceramic sheet that are disposed separately on the support, and the first piezoelectric ceramic sheet and the second piezoelectric ceramic sheet are respectively provided with a transmission member abutting against the diaphragm. The sound device in the present disclosure can increase a driving force, increase a vibration amplitude, enhance a product sensitivity, broaden a response range, increase a driving fulcrum, improve a vibration balance, and avoid a product distortion.

Abstract: The present invention provides a sound generating device, including a housing and a vibration system accommodated in the housing, the vibration system including a diaphragm and a driving unit for driving the diaphragm to vibrate and generate sound. The driving unit includes a piezoelectric driving unit and a moving iron driving unit coupled in parallel with the piezoelectric driving unit, the piezoelectric driving unit including a piezoelectric sheet, the moving iron driving unit including a coil and a magnetic steel. The piezoelectric driving unit and the moving iron driving unit jointly drive the diaphragm to vibrate and sound.

Abstract: The invention provides a sound generator having a frame, a vibration system and a magnetic circuit system carried by the frame. The vibration system includes a diaphragm, a coil and an elastic support assembly. The diaphragm includes a first suspension ring fixed with the frame, a first dome at a center of the first suspension ring, and a second dome stacked on the first dome. The first dome includes a main body, a first wall, and a second wall extending perpendicularly from the first wall for connecting to the coil via the first wall. The first wall is connected to a side surface of the coil. The first wall and the second wall are used for elastically suspending the coil below the diaphragm. Thus, the sound generator has improved high frequency performance.

Abstract: A driving circuit for a display panel and a method of driving the same are provided. The driving circuit includes that, when the time control chip is at an initialized state, the enabling control module controls the logic control module to turn off; and when the time control chip is at a state after the initialized state is finished the enable control module controls the logic control module to turn on to receive the modulating data provided by the time control chip.

Abstract: A method and apparatus for determining pitch and yaw of an elongated interface object as it interacts with a touchscreen surface. A touch image is received, and this touch image has at least a first area that corresponds to an area of the touchscreen that has an elongated interface object positioned at least proximate to it. The elongated interface object has a pitch and a yaw with respect to the touchscreen surface. A first transformation is performed to obtain a first transformation image of the touch image, and a second transformation is performed to obtain a second transformation image of the touch image. The first transformation differs from the second transformation. The yaw is determined for the elongated interface object based on both the first and second transformation images. The pitch is determined based on at least one of the first and second transformation images.

Abstract: A speaker includes a holder, a magnetic circuit unit, and a vibration unit including a diaphragm, a voice coil, and a centering support plate. The centering support plate is fixed to a side of the voice coil facing away from the diaphragm. One end of the centering support plate fixed to the voice coil is provided with a pad electrically connected to the voice coil. The diaphragm includes a central portion, a suspension portion surrounding the central portion, and a dome fixed to the central portion. The dome includes a body attached to the central portion, and a connection portion extending from an edge of the body towards the pad and fixedly connected to the pad. With the connection portion, the pad of the centering support plate can be fixed, preventing the tone quality of the speaker from being damaged by the pad, and t reducing noise.

Abstract: The present disclosure relates to a sampling and sensing device and a method of using the sampling and sensing device for collecting and sensing chemical or biological analytes. The sampling and sensing device comprises a handle and a foldable head having a sampling region and a sensing region. A sensor chip may be disposed in the sensing region and a sampling wipe may be disposed in the sensing region. The sampling region is configured to collect an analyte. After the analyte is collected on the sampling region, the sampling and sensing device can be folded to make the sampling region in contact with or face the sensing region to transfer the analyte to the sensing region for analysis.

Abstract: The present disclosure provides a sound device, which includes a magnetic circuit system, wherein the magnetic circuit system includes a bottom plate, a first magnetic portion arranged on the bottom plate and a second magnetic portion spaced apart from the first magnetic portion, at least one of the first magnetic portion and the second magnetic portion is a permanent magnet, the bottom plate is provided with a through hole penetrating through the bottom plate, the sound device further includes a damping member, the damping member is fixed on the bottom plate and completely covers the through hole, and the permanent magnet is at least partially abutted against the damping member.

Abstract: An embodiment of the present invention provides a sound generator having a frame; a magnetic circuit system fixed to the frame, and a vibration system. The magnetic circuit system includes a main magnet and an auxiliary magnet surrounding the main magnetic. The vibration system includes a vibrating diaphragm having a first vibrating diaphragm, a second vibrating diaphragm, and a dome for connecting the first vibrating diaphragm to the second vibrating diaphragm. A gap is formed between the auxiliary magnet and the frame. The dome has a body part, two first extension parts, and two second extension parts. The first extension part is located within the gap. Accordingly, the sound generator can solve the swing problem, and improve the low frequency performance.

Abstract: A sounding device includes a shell, a vibrating system and a driving unit. The vibrating system includes a vibrating diaphragm, a magnetic vibrating plate, and a transmission piece. The magnetic vibrating plate includes a fixing portion fixed on the shell and a body portion bent and extended from the fixing portion and arranged oppositely to the vibrating diaphragm. The driving unit includes a coil and a magnet portion fixed relatively to the shell. The coil winds on the body portion, and an orthographic projection of the magnet portion falls onto the body portion and is close to the transmission piece, the magnet portion and the body portion are arranged separately. At least two magnetic vibrating plates respectively drive different positions of the vibrating diaphragm, and the magnetic vibrating plates correspond to the driving units one by one.

Abstract: An electronic device includes a touch-sensitive surface, for example a touch pad or touch screen. The user interacts with the touch-sensitive surface, producing touch interactions. The resulting actions taken depend at least in part on the touch type. For example, the same touch interactions performed by three different touch types of a finger pad, a finger nail and a knuckle, may result in the execution of different actions.

Abstract: A biopsy and ultrasound combined device comprises a handle body, a depth adjustment portion, an outer sleeve, a biopsy needle bar, and an ultrasonic probe. The biopsy and ultrasound combined device accommodates the ultrasonic probe in the biopsy needle bar, which is accommodated in the outer sleeve. The depth adjustment portion is movably connected to the handle body and fixedly connected to the ultrasonic probe and the biopsy needle bar, respectively, so that the ultrasonic probe, the outer sleeve and the biopsy needle bar are free to move, thereby facilitating accurate positioning for a puncture direction by the ultrasonic probe before a puncture, and further facilitating confirming that the puncture penetrates a target tissue after the puncture. The biopsy needle bar and at least a portion of the insulating intervention sleeve have flexibility and a hardness of the insulating connecting sleeve is greater than that of the insulating puncture sleeve.

Abstract: A speaker includes a holder having a receiving space, a magnetic circuit unit and a vibration unit. The vibration unit includes a diaphragm, a voice coil driving the diaphragm to vibrate, and a centering support member. The centering support member includes a connecting portion between the upper diaphragm and the voice coil, extension portions extending from two ends of the connecting portion and towards the magnetic circuit unit, and body portions each formed by extending from an tail end of each extension portion while being bent in a direction facing away from the extension portion. The connecting portion is interposed between the diaphragm and the voice coil. The extension portion is located between the magnetic circuit unit and the holder. An end the body portion is connected to the holder, and the other end is connected to the voice coil to support the voice coil.

Abstract: A speaker and a method for manufacturing the speaker are provided. The speaker includes: a vibration unit; a magnetic circuit unit; and a housing for receiving the vibration unit and the magnetic circuit unit. The vibration unit includes: a first diaphragm fixed to the housing; a voice coil arranged under the first diaphragm to drive the first diaphragm to vibrate and emit sound; and an elastic support member arranged under the voice coil, fixed to the housing and elastically supporting the voice coil. The elastic support member includes a flexible circuit board connected to the voice coil and a second diaphragm fixed under the flexible circuit board. The housing includes a holder, the elastic support member is fixed to the holder, and the flexible circuit board is attached and fixed to the second diaphragm.

Abstract: The present disclosure discloses a speaker assembly including a frame with an accommodation space, a magnetic circuit system and a vibration system accommodated in the frame. The vibration system includes a first vibration system and a second vibration system which are arranged with an interval. The first vibration system includes a first diaphragm and a first voice coil driving the first diaphragm, the second vibration system includes a second diaphragm and a second voice coil driving the second diaphragm to vibrate. The first diaphragm and the second diaphragm have the same vibration direction. The present disclosure has two vibration systems which break through the restriction of the height of the voice coils in the traditional structure and therefore further improve the product performance.

Abstract: The present invention provides a sound transducer structure of electronic device relating to the technical field of acoustics. The sound transducer structure includes a housing having an accommodating cavity, a sound generator received in the accommodating cavity, and a sound outlet disposed in the housing. A sound guiding groove communicates between the sound generator and the sound outlet, so that a sound generated at the sound generator is conducted along the sound guiding groove and is transmitted out of the housing from the sound outlet. The sound outlet includes a first sound outlet for transmitting sound in a receiver mode and a second sound outlet for transmitting sound in a loudspeaker mode. The second sound outlet is covered with a sound pressure sensitive member.