Abstract: An approach is provided in which the approach receives an image that includes multiple image points and constructs a plane in the image based on a first subset of the plurality of image points. The approach identifies a second subset of the image points that belong to the plane and are not part of the first subset of image points, and removes the first subset of image points and the second subset of image points form the image points. The approach annotates the remaining subset of image points in the image.

Abstract: A method, computer program product, and computer system for processing instances of message sequences. Two or more instances are received. Each instance has an instance number and an associated instance Id. Each instance includes a stream of one or more messages. Each message in each stream is associated with a respective task. All messages in the two or more instances whose respective tasks have been completed are distributed into partitions in the broker. Different messages in each instance of at least one instance are distributed into different partitions. The messages distributed in the partitions include parallel task messages. The parallel task messages are sequenced by being grouped by the instance number or instance Id and are sequentially ordered in each group in an ascending order of a timestamp of arrival of each parallel task message at the broker. The parallel task messages in each instance are dispatched to a service.

Abstract: A non-contact transporting apparatus (10) includes: a negative pressure assembly (100) configured to generate a negative pressure airflow within the non-contact transporting apparatus; and an ultrasonic assembly (200) connected to the negative pressure assembly (100). The ultrasonic assembly (200) includes: an ultrasonic transducer (210) configured to convert a high-frequency ultrasonic electrical signal into a high-frequency mechanical vibration, one end of the ultrasonic transducer (210) is connected to the negative pressure assembly (100); an ultrasonic horn (230) configured to amplify the high-frequency mechanical vibration, one end of the ultrasonic horn (230) is connected to one end of the ultrasonic transducer (210) away from the negative pressure assembly (100); and an ultrasonic chuck (250) configured to amplify and convert the high-frequency mechanical vibration, the ultrasonic chuck (250) is connected to one end of the ultrasonic horn (230) away from the ultrasonic transducer (210).

Abstract: A non-contact transporting apparatus (10) includes: a negative pressure assembly (100) configured to generate a negative pressure airflow within the non-contact transporting apparatus; and an ultrasonic assembly (200) connected to the negative pressure assembly (100). The ultrasonic assembly (200) includes: an ultrasonic transducer (210) configured to convert a high-frequency ultrasonic electrical signal into a high-frequency mechanical vibration, one end of the ultrasonic transducer (210) is connected to the negative pressure assembly (100); an ultrasonic horn (230) configured to amplify the high-frequency mechanical vibration, one end of the ultrasonic horn (230) is connected to one end of the ultrasonic transducer (210) away from the negative pressure assembly (100); and an ultrasonic chuck (250) configured to amplify and convert the high-frequency mechanical vibration, the ultrasonic chuck (250) is connected to one end of the ultrasonic horn (230) away from the ultrasonic transducer (210).

Abstract: A laser scanning device (10), comprising: a system on chip structure (110) configured to receive and process a graphic data transmitted by an external computer (20) to generate a galvanometer movement instruction and a laser control instruction; and galvanometer (120) configured to receive the galvanometer movement instruction and move according to the galvanometer movement instruction; wherein the laser control instruction is transmitted to an external laser (30), so that the laser (30) and the galvanometer (120) move synchronously. The above laser scanning device (10) and scanning system can integrate a laser control function and a galvanometer control function into the same chip by a system on chip design, which does not only reduce cost of the system, but also improve reliability of the system.

Abstract: The present disclosure relates to a field of galvanometer, in particular to a grating disc and feedback system. The grating disc includes main gratings and zero-position gratings. The main gratings are disposed on different diameter positions, and the zero-position gratings are disposed close to the main gratings. A number of the zero-position gratings is 2N, the 2N zero-position gratings are distributed at an uniform angle with respect to a grating disc center. N is a positive integer. Compared with the prior art, the present disclosure provides the grating disc, which is matchable with a plurality of the encoders to use. The present disclosure further provides the feedback system, which increases detecting precision and stability of the grating disc and the encoders. In particular, anti-eccentricity capability and drift capability of a galvanometer motor system are improved, so that tolerance and anti-interference ability of the galvanometer motor to the environment are improved.

Abstract: A laser scanning device (10), comprising: a system on chip structure (110) configured to receive and process a graphic data transmitted by an external computer (20) to generate a galvanometer movement instruction and a laser control instruction; and galvanometer (120) configured to receive the galvanometer movement instruction and move according to the galvanometer movement instruction; wherein the laser control instruction is transmitted to an external laser (30), so that the laser (30) and the galvanometer (120) move synchronously. The above laser scanning device (10) and scanning system can integrate a laser control function and a galvanometer control function into the same chip by a system on chip design, which does not only reduce cost of the system, but also improve reliability of the system.

Abstract: A unidirectional transmission includes a driver generating a torque selectively in a first direction and a second direction. A first passive member meshes with the driver and receives the torque from the driver. A second passive member meshes with the first passive member and receives the torque from the driver via the first passive member. A first unidirectional member engages with the first passive member to transmit the torque in the first direction, when the driver generates the torque in the second direction. A second unidirectional member engages with the second passive member to transmit the torque in the first direction, when the driver generates the torque in the first direction. An output member couples to the first unidirectional member and the second unidirectional member and selectively receives the torque in the first direction from the first and second unidirectional members.