Abstract: A blackboard eraser cleaning device is provided and includes an outer shell (1). A cover (2) is arranged at the upper part of the outer shell (1), an inner shell (3) is arranged inside the outer shell (1). A clamping mechanism (19) is arranged at the upper end of the inner shell (3). A leaning station (8) is defined inside the clamping mechanism (19). A cylinder (9) is arranged around the clamping mechanism (19). A height adjustment mechanism (10) is arranged inside the outer shell (1). The height adjustment mechanism (10) includes a servo (101) arranged inside the outer shell (1) and located on a side of the inner shell (3). According to the present application, a variety of cleaning modes may be achieved to meet the actual usage of the blackboard eraser.

Abstract: A blackboard eraser cleaning device is provided and includes an outer shell (1). A cover (2) is arranged at the upper part of the outer shell (1), an inner shell (3) is arranged inside the outer shell (1). A clamping mechanism (19) is arranged at the upper end of the inner shell (3). A leaning station (8) is defined inside the clamping mechanism (19). A cylinder (9) is arranged around the clamping mechanism (19). A height adjustment mechanism (10) is arranged inside the outer shell (1). The height adjustment mechanism (10) includes a servo (101) arranged inside the outer shell (1) and located on a side of the inner shell (3). According to the present application, a variety of cleaning modes may be achieved to meet the actual usage of the blackboard eraser.

Abstract: The present disclosure provides a soft ground cleaning vehicle, including a main body frame; wherein each of both sides of the main body frame is arranged with a screw propulsion mechanism, and a lower portion of each of the both sides of the main body frame is arranged with a bottom frame; a power assembly is arranged on the bottom frame, and an extension frame is arranged on a lower portion of the bottom frame; the extension frame is arranged with a rotation assembly; a plastic track is arranged on the power assembly and the rotation assembly; a plurality of stand plates are arranged on an outer strip surface of the plastic track.

Abstract: The present application provides a camera assembly, which comprises a panoramic camera, a PTZ camera, and a processor. The panoramic camera is used to collect wide-angle images of a monitoring scene; the PTZ camera is used to collect narrow-angle images in different directions of the monitoring scene; the processor is configured to superimpose, in response to an instruction input from outside, a polygon frame corresponding to the instruction on the wide-angle image; select, according to a preset mapping table of wide-angle image coordinates and narrow-angle image coordinates, at least two ordinate values on the polygon frame in the wide-angle image, to obtain at least two ordinate values on the narrow-angle image, thereby determining an effective focus value interval of the PTZ camera, so that the PTZ camera performs a focusing operation within the effective focus value interval during a focusing process.

Abstract: A zoom method, an image processing method of an imaging device and imaging device are disclosed. The zoom method includes: detecting, when determining to zoom, whether a zoom position of the imaging device is currently in a preset optical zoom area or a preset digital zoom area; compressing, if the zoom position of the imaging device is in the preset optical zoom area and a first image containing a specified target is collected by the image sensor, the first image into a second image, and outputting the second image; selecting, if the zoom position of the imaging device is in the preset optical zoom area, a target sensing area from a sensing area of the imaging sensor according, and cropping a third image collected by the image sensor according to the target sensing area to obtain a fourth image and outputting the fourth image.

Abstract: The present application provides a camera assembly, which comprises a panoramic camera, a PTZ camera, and a processor. The panoramic camera is used to collect wide-angle images of a monitoring scene; the PTZ camera is used to collect narrow-angle images in different directions of the monitoring scene; the processor is configured to superimpose, in response to an instruction input from outside, a polygon frame corresponding to the instruction on the wide-angle image; select, according to a preset mapping table of wide-angle image coordinates and narrow-angle image coordinates, at least two ordinate values on the polygon frame in the wide-angle image, to obtain at least two ordinate values on the narrow-angle image, thereby determining an effective focus value interval of the PTZ camera, so that the PTZ camera performs a focusing operation within the effective focus value interval during a focusing process.

Abstract: An image capture method and an image capture device are disclosed. The device includes a first chip, zoom lenses, image sensors, zoom motors, and focus motors. The number of the first chip is one; and the number of the zoom lenses are two, comprising a first short zoom lens and a second long zoom lens, wherein the two zoom lenses have different zoom ranges, and there is an overlap range between the zoom ranges of the two zoom lenses. The number of the image sensors is two, and the two image sensors correspond to the two zoom lenses respectively, and the two image sensors are communicatively connected to the first chip respectively. The number of the zoom motors is two, the number of the focus motors is two, and the two zoom motors and the two focus motors are communicatively connected to the first chip respectively.

Abstract: A zoom method, an image processing method of an imaging device and imaging device are disclosed. The zoom method includes: detecting, when determining to zoom, whether a zoom position of the imaging device is currently in a preset optical zoom area or a preset digital zoom area; compressing, if the zoom position of the imaging device is in the preset optical zoom area and a first image containing a specified target is collected by the image sensor, the first image into a second image, and outputting the second image; selecting, if the zoom position of the imaging device is in the preset optical zoom area, a target sensing area from a sensing area of the imaging sensor according, and cropping a third image collected by the image sensor according to the target sensing area to obtain a fourth image and outputting the fourth image, wherein the fourth resolution of the fourth image corresponds to the target sensing area.

Abstract: The present application provides an image capture method and an image capture device. The image capture method is applied to the image capture device, which comprises a first chip, zoom lenses, image sensors, zoom motors, and focus motors. The number of the first chip is one; and the number of the zoom lenses are two, comprising a first short zoom lens and a second long zoom lens, wherein the two zoom lenses have different zoom ranges, and there is an overlap range between the zoom ranges of the two zoom lenses. The number of the image sensors is two, and the two image sensors correspond to the two zoom lenses respectively, and the two image sensors are communicatively connected to the first chip respectively. The number of the zoom motors is two, the number of the focus motors is two, and the two zoom motors and the two focus motors are communicatively connected to the first chip respectively.

Abstract: A variable magnification method, apparatus and a computer-readable storage medium is disclosed. The method comprises: acquiring angle parameters for the current position of a camera after receiving a variable magnification instruction; wherein, the variable magnification instruction is configured for instructing the camera to perform the variable magnification based on a target magnification ratio parameter; querying target historical focusing information based on the angle parameters for the current position, wherein, the target historical focusing information comprises a historical magnification ratio parameter and a historical in-focus parameter of the camera; querying a target variable magnification curve based on the historical magnification ratio parameter and the historical in-focus parameter; and controlling the camera to perform the variable magnification based on the target variable magnification curve.

Abstract: A variable magnification method, apparatus and a computer-readable storage medium is disclosed. The method comprises: acquiring angle parameters for the current position of a camera after receiving a variable magnification instruction; wherein, the variable magnification instruction is configured for instructing the camera to perform the variable magnification based on a target magnification ratio parameter; querying target historical focusing information based on the angle parameters for the current position, wherein, the target historical focusing information comprises a historical magnification ratio parameter and a historical in-focus parameter of the camera; querying a target variable magnification curve based on the historical magnification ratio parameter and the historical in-focus parameter; and controlling the camera to perform the variable magnification based on the target variable magnification curve.

Abstract: Embodiments of the present application provide an automatic focusing method and a PTZ camera. The method is applicable to the PTZ camera and comprises: calculating a current target object distance from a lens of the PTZ camera to a monitored target monitoring plane based on a pre-established spatial object distance parameter; wherein, the spatial object distance parameter contains a spatial plane equation of a reference monitoring plane; the reference monitoring plane is an equivalent plane of the target monitoring plane; searching in a preset relation table based on the current target object distance, a current magnification of the PTZ camera, determining a position information corresponding to a focus motor of the PTZ camera, the preset relation table including the relationship of the object distance, the magnification and the position information of the focus motor, and driving the focus motor to a position corresponding to the determined position information.

Abstract: A PCIe/SAS connector structure related to the connector field is provided, including a body member, a terminal assembly, a cover member, and a fixing plate. The body member includes a terminal groove and is formed of a plastic material. The terminal assembly includes a signal terminal and a power terminal, and is inserted in the terminal groove in the body member. The cover member includes an electrically conductive plastic member and a metal cover plate, and structurally formed in a plate shape. When the terminal assembly is inserted in the body member, the cover member is embedded in the body member and disposed at an inner lateral of the terminal assembly. The electrically conductive plastic member is divided into at least two sections. The metal cover plate is embedded in the electrically conductive plastic member. With such configuration, a plurality of advantageous effects are achieved.

Abstract: Embodiments of the present application provide an automatic focusing method and a PTZ camera. The method is applicable to the PTZ camera and comprises: calculating a current target object distance from a lens of the PTZ camera to a monitored target monitoring plane based on a pre-established spatial object distance parameter; wherein, the spatial object distance parameter contains a spatial plane equation of a reference monitoring plane; the reference monitoring plane is an equivalent plane of the target monitoring plane; searching in a preset relation table based on the current target object distance, a current magnification of the PTZ camera, determining a position information corresponding to a focus motor of the PTZ camera, the preset relation table including the relationship of the object distance, the magnification and the position information of the focus motor, and driving the focus motor to a position corresponding to the determined position information.

Abstract: A PSAS female connector includes a body member, a terminal assembly, and a conductive member. The body member has a conductive groove and a tooth recess. The conductive groove is on a lateral side of the body member. The tooth recess is at an inner side of an edge of the conductive groove. The conductive member has a protrusion tooth and a protrusion strip, and is engaged in the conductive groove. The protrusion tooth is at an outer side of an edge of the conductive member. When the conductive member is engaged in the conductive groove, the protrusion tooth is geared to be engaged with the tooth recess. When the terminal assembly is engaged in the terminal groove, the protrusion strip and the terminal assembly are engaged with each other, thus improving the combination between the conductive member and the conductive groove.

Abstract: A driving circuit board of a display panel includes a circuit board, a timing control circuit, a connector and a functional pin set. The timing control circuit is disposed on the circuit board. The connector is disposed on the circuit board. The functional pin set is disposed on the circuit board and has a ground pin and a function trigger pin. The function trigger pin is electrically connected to the timing control circuit. A display module and an automatic testing method of a display panel are also disclosed.

Abstract: The present invention relates to a method of using a bioassay consisting of an electrophysiological method and a cell culture system of dorsal-root ganglion (DRG) neurons to screen and identify opioids with a high potential for use as "low- or non-addictive" analgesics. Another aspect of the invention relates to a specific group of opioid alkaloids and analogues thereof identified by the bioassay of the invention for the unique ability to activate only inhibitory, but not excitatory, opioid receptor function, for use as low- or non-addictive analgesics. Another aspect of the invention relates to the specific use of etorphine or dihydroetorphine of the opioid alkaloid family as low- or non-addictive analgesics and for the treatment of opioid addiction.

Abstract: The present invention relates to a method of using a bioassay consisting of an electrophysiological method and a cell culture system of dorsal-root ganglion (DRG) neurons to screen and identify opioids with a high potential for use as "low- or non-addictive" analgesics. Another aspect of the invention relates to a specific group of opioid alkaloids and analogues thereof identified by the bioassay of the invention for the unique ability to activate only inhibitory, but not excitatory, opioid receptor function, for use as low- or non-addictive analgesics. Another aspect of the invention relates to the specific use of etorphine or dihydroetorphine of the opioid alkaloid family as low- or non-addictive analgesics and for the treatment of opioid addiction.