A lightweight camera crane has an outer arm pivotally attached to a base. A moving counterweight carriage is supported on carriage rollers on top of the outer arm. An inner arm is supported on arm rollers within the outer arm. An electric extension motor drives telescoping extension and retraction movement of the inner arm via chains, belts or cables connected to the counterweight carriage and the inner arm. An electrical power unit is supported at a back end of the outer arm. The electrical power unit includes a rechargeable battery for powering the electric extension motor.

Aspects of the present invention provide a display support arm assembly that includes a proximal housing supporting at least one proximal shaft, a distal housing spaced from the proximal housing and supporting at least one distal shaft, and at least one link extending from the at least one proximal shaft to the at least one distal shaft. The at least one link is coupled for pivotal movement about an axis of the at least one proximal shaft. The display support assembly also includes a gas strut extending between the proximal housing and the distal housing. The gas strut provides substantially constant force throughout a range of the vertical adjustment of the display support arm. The display support assembly further includes at least one torque element associated with either or both of the at least one proximal shaft and the at least one distal shaft. The at least one torque element providing force throughout the range of the vertical adjustment of the display support arm, wherein the force is adjustable by adding or subtracting the number of the at least one torque element.

A spring clutch arm assembly includes a moveable arm comprising a retracted configuration and a deployed configuration, a fixed shaft, and a spring portion comprising a moving portion with a distal end and a coil portion wrapped around the fixed shaft. The moveable arm may include a moveable member. The distal end may be attached to the moveable member. The moveable arm may be held in the deployed configuration by the spring portion.

The present invention relates to a resilient member aided counterbalancing and stabilizing device that includes a quick release mechanism, which in preferred embodiments is used to aid in the precise positioning of a stabilizer which in turn supports a load (e.g., a medical device). The quick release assembly preferably includes a central housing containing at least one ball joint(s) which is preferably connected to the counterbalancing linkage that supports the load. To unlock the mechanism, the user preferably squeezes a trigger mechanism which directly loosens the locks responsible for holding the load in place.

The present disclosure provides a selfie device, including a telescopic rod (8), a longitudinal handle (6) sleeved on the telescopic rod (8), and a clamping device (5) rotatably connected to a top end of the telescopic rod (8). The clamping device (5) includes a vertical arm (59), at least one base (58) having a bearing function and disposed on a lower end of the vertical arm (59), a connection head (588) connected to the at least one base (58) and configured to be rotatably connected with the telescopic rod (8), and two transverse clamping arms (57) respectively and rotatably disposed on two sides of the vertical arm (59) and configured to transversely clam. And at least one of the two transverse clamping arms (57) is stretchable.

A method includes one or more processors of a payload releasably coupled to a carrier detecting a deviation of a target from an expected target position within an image captured by an image sensor of the payload, and generating one or more control signals for the carrier based at least in part on the detected deviation of the target. The one or more control signals cause the carrier to change a pose of the payload so as to reduce the detected deviation in a subsequent image captured by the image sensor.

An adjustable extension arm device includes an extension arm unit, a joint unit pivotally connected to the extension arm unit, an extension and retraction unit disposed in the extension arm unit, and an adjusting unit for adjusting the extension and retraction unit. A proximal endcap of the joint unit defines therein an accommodation chamber having a viewing opening. The adjusting unit has a driving carrier connected with the extension and retraction unit, and an adjusting threaded shaft rotatably mounted to the proximal endcap and threadedly engaged with the driving carrier to make a linear movement of the driving carrier relative to the viewing opening. A pointing unit is connected to and moved with the driving carrier to point out the load capacity of the extension and retraction unit during adjustment.

A method to stabilize a camera device. The method includes receiving, from the camera device mounted in a camera device holder, sensor data representing at least one selected from a group consisting of orientation and movement of the camera device, generating, using a pre-determined algorithm, a control signal based on the sensor data, and adjusting, using the control signal, a geometrical behavior of the camera device holder, wherein the geometrical behavior corresponds to at least one selected from a group consisting of the orientation and the movement of the camera device holder.

A method for object tracking. The method includes capturing a sequence of images of a scene, detecting, by a hardware processor based on a pattern of local light change across the sequence of images, a light source in the scene, comparing, by the hardware processor in response to detecting the light source, a location of the light source in at least one image of the sequence of images and a target position within the at least one image to generate a result, and generating, by the hardware processor based on the result, a control signal for changing a field-of-view of a camera device such that the light source substantially aligns with the target position within the field-of-view, wherein the light source is configured to produce an object-identifying code.

The present disclosure provides a leveling device, a washing machine with the leveling device and controlling method thereof. The leveling device comprises a hydraulic support, the hydraulic support comprises: a fix section, installed on a bottom of the household appliance; a movable adjustment section, sleeved with the fix section and moving axially relative to the fix section; an accommodate chamber for containing a hydraulic medium is arranged between the fix section and the movable adjustment section; at least two hydraulic supports connected by a communication device, depending on the pressure changing, the hydraulic medium flows between the hydraulic supports, and drives the movable adjustment section using pressure to move axially direction for leveling under the pressure; a sensor connecting port for connecting a pressure sensor is arranged at the hydraulic supports and/or on the communication device, and the hydraulic medium is allowed to flow through the sensor connecting port.