Abstract: A method for planning a trajectory for a self-driving vehicle on a road includes: generating multiple target planned trajectory sets based on information concerning the self-driving vehicle; calculating multiple projected moving ranges and multiple projected moving speeds of an obstacle based on information concerning the obstacle, the projected moving ranges corresponding respectively with multiple time points in a driving time period, the projected moving speeds corresponding respectively with the time points; and selecting one of the target planned trajectory sets as an optimal planned trajectory set based on the target planned trajectory sets, the projected moving ranges and the projected moving speeds for the obstacle.

Abstract: Disclosed herein are related to an integrated circuit to regulate a supply voltage. In one aspect, the integrated circuit includes a metal rail including a first point, at which a first functional circuit is connected, and a second point, at which a second functional circuit is connected. In one aspect, the integrate circuit includes a voltage regulator coupled between the first point of the metal rail and the second point of the metal rail. In one aspect, the voltage regulator senses a voltage at the second point of the metal rail and adjusts a supply voltage at the first point of the metal rail, according to the sensed voltage at the second point of the metal rail.

Abstract: A fan module containing a fan is used to cool a computing device or system. The fan module is mounted within a chassis, and contains a housing, a locking body, and lever. The housing of the fan module contains a housing, a locking body, and lever. The housing of the fan module defines a hollow interior that houses the fan. The locking body is coupled to the housing and is moveable between a locked position. When in the locked position, the locking body extends through a locking aperture in the floor of the chassis. When in the unlocked position, the locking body rises above the locking aperture in the floor of the chassis. Moving the lever from the first position to the second position causes the locking body to move from the locked position to the unlocked position.

Abstract: A linear position detecting device applied to a linear motion system for motion measurement is provided. The linear position detecting device comprises a coding element and a detecting element corresponding to the coding element for retrieving the signal of the coding element to provide the position information. The coding element comprises a base, a first coding unit and a second coding unit wherein the base comprises an axial direction parallel to a length of the base, and a radial direction perpendicular to the axial direction. The first coding unit is configured on the base and comprises a plurality of first tracks extended along the axial direction and alternately arranged along the radial direction. The second coding unit is configured on the base and adjacent to the first coding unit, and comprises a plurality of second tracks wherein the second tracks are extended along the radial direction and alternately arranged along the axial direction.

Abstract: A block chain-based data query method, performed by a server of a block chain system, is provided. In the method, a data identifier of first data to be queried is obtained according to a query request, the query request including a user identifier of a user that initiates the query request. Data permission information in a target block in a target block chain of the block chain system is obtained according to the data identifier. Based on the data permission information not including the user identifier, a query permission request is transmitted to at least one target server in the block chain system, the query permission request including the user identifier and the data identifier. Based on a received query permission response satisfying a target policy in the data permission information, the first data is obtained from a data storage system according to the data identifier.

Abstract: A ribbon rewinding mechanism for providing stable ribbon tension in a printer includes a base body, a supply shaft assembly, a take-up shaft assembly and a transmission system. Each of the supply shaft assembly and the take-up shaft assembly has an axis rod, an outer cover and an elastic member. The outer cover and the axis rod drive each other through the elastic member. The outer covers of the supply shaft assembly and the take-up shaft assembly are connectable to the two ends of a ribbon, respectively. The axis rods of the supply shaft assembly and the take-up shaft assembly are connected to the base body and the transmission system through unidirectional transmission elements, respectively, so that the ribbon can be stably and continuously rewound for a distance needed.

Abstract: Embodiments of the application relate to the field of traffic, more particularly to a method, apparatus and system for indicating a traffic signal. An embodiment is directed to a traffic signal indicating method effective on a pedestrian and/or vehicle. A traffic signal indicating system of an embodiment includes a traffic signal indicating apparatus, configured to acquire a traffic control state of a traffic management area; and a projection apparatus, configured to project first visual information for indicating the traffic control state to a first-segment pavement of the traffic management area. By projecting visual information for indicating a current traffic control state to a pavement of a traffic management area, a purpose of reminding a pedestrian and a vehicle is achieved. The projected visual information may transfer rich information. Further, it is unnecessary to modify existing traffic lights.

Abstract: A method for planning a trajectory for a self-driving vehicle on a road includes: generating multiple target planned trajectory sets based on information concerning the self-driving vehicle; calculating multiple projected moving ranges and multiple projected moving speeds of an obstacle based on information concerning the obstacle, the projected moving ranges corresponding respectively with multiple time points in a driving time period, the projected moving speeds corresponding respectively with the time points; and selecting one of the target planned trajectory sets as an optimal planned trajectory set based on the target planned trajectory sets, the projected moving ranges and the projected moving speeds for the obstacle.

Abstract: A position detecting device for a rotary shaft is provided. The position detecting device for a rotary shaft comprises a shaft, a coding element and a detecting element. The coding element comprises a body, a first coding unit and a second coding unit wherein the body is disposed on the shaft and coaxial to the shaft, and the first coding unit and the second coding unit are configured on the body. The first coding unit comprises a plurality of first tracks in an annular arrangement. The detecting element is disposed on an additional part and corresponding to the coding element for retrieving the signal of the first coding unit and the second coding unit.

Abstract: A linear position detecting device applied to a linear motion system for motion measurement is provided. The linear position detecting device comprises a coding element and a detecting element corresponding to the coding element for retrieving the signal of the coding element to provide the position information. The coding element comprises a base, a first coding unit and a second coding unit wherein the base comprises an axial direction parallel to a length of the base, and a radial direction perpendicular to the axial direction. The first coding unit is configured on the base and comprises a plurality of first tracks extended along the axial direction and alternately arranged along the radial direction. The second coding unit is configured on the base and adjacent to the first coding unit, and comprises a plurality of second tracks wherein the second tracks are extended along the radial direction and alternately arranged along the axial direction.

Abstract: A torsion detecting device for a rotary shaft is provided. The position detecting device for a rotary shaft comprises a shaft and two encoding elements disposed at two portions of the shaft with a predetermined distance. Each encoding element comprises a first coding unit, a second coding unit and a detecting unit wherein the first coding unit and the second coding unit are coaxial to the shaft. Therefore, the detecting unit detects the signal of the first coding unit and the second coding unit to retrieve the angular position of the two portions and provide the torsion in accordance with the rotation angle difference and the predetermined distance.

Abstract: An encoder includes a main body and a toothed encoding unit. The main body is made of material with magnetic permeability. The toothed encoding unit is made of material with magnetic permeability, and includes a toothed encoding set and a position toothed encoding set that are disposed on the main body. The toothed encoding set includes a plurality of recesses that are disposed in a first direction. Each of the recesses of the toothed encoding set extends in a second direction that is transverse to the first direction. The position toothed encoding set includes a plurality of recesses that are disposed in the second direction. Each of the recesses of the position toothed encoding set extends in the first direction.

Abstract: A magnetic encoder has an annular main body, a magnetic encoding unit and a position encoding unit. The main body is made of material with magnetic permeability, surrounds a central axis, and includes a first surface and a second surface opposite to said first surface. The magnetic encoding unit is disposed on the first surface of the main body, and includes a plurality of first and second magnetic poles, each of which is annular and is centered at the central axis. The annular position encoding unit is centered at the central axis, that is adjacent to the magnetic encoding unit, and that is disposed on the one of the first surface on which the magnetic encoding unit is disposed. The first and second magnetic poles are arranged in an alternating sequence.

Abstract: The present disclosure describes a server computer system having a chassis, a carrier, and a pivot member configured to connect the carrier to the chassis. The pivot member further permits the carrier to rotate between a first position with a first carrier end within the chassis, and a second position with the first carrier end extending out of the chassis.

Abstract: A label printer includes a platen roller, a printing device, a ribbon conveying device, and a peeling assembly disposed within a machine housing which defines a conveyance channel therein for conveying a label sheet, and a print area between the platen roller and the printing device. The peeling assembly has a peeling member which is disposed at an end of the printing device and immediately downstream of the print area, and which has a peeling edge that faces and extends across the print area and that is configured to be inserted between an upper major surface of the label sheet and a carbon ribbon so as to facilitate output of the printed label sheet.

Abstract: The present disclosure provides a cover apparatus including a top cover and a sub-cover. The top cover is received by the chassis body and extends over a full length and width of the chassis body. The sub-cover is coupled to the top cover, and comprises a locking mechanism. The sub-cover is configured to alternate between an open position and a closed position. In the open position, the sub-cover allows access to at least one component housed within the chassis body.

Abstract: Devices and methods for controlling wafer uniformity using a gas baffle plate are disclosed. In one example, a device for plasma-based processes is disclosed. The device includes: a housing defining a process chamber and a baffle plate arranged above a wafer in the process chamber. The baffle plate is configured to control plasma distribution on the wafer. The baffle plate has a shape of an annulus that comprises a first annulus sector and a second annulus sector. The first annulus sector has a first inner radius. The second annulus sector has a second inner radius that is different from the first inner radius.

Abstract: A vital signs detecting device and a method for detecting vital signs are provided. The vital signs detecting device comprises a detection unit; a multimode optical fiber configured to be connected to a light source and to the detection unit; a mechanical structure configured for receiving a pressure exerted by a person's body as a result of one or more of a group consisting of a movement of the person's body, a respiratory action of the person's body and a heart beat action of the person's body and to cause microbending of the multimode optical fiber under the exerted pressure and; wherein the multimode optical fiber is disposed between first and second sets of microbending elements of the mechanical structure substantially in a direction of the exerted pressure.

Abstract: Devices and methods for controlling wafer uniformity in plasma-based process is disclosed. In one example, a device for plasma-based processes is disclosed. The device includes: a housing defining a process chamber and a gas distribution plate (GDP) arranged in the process chamber. The housing comprises: a gas inlet configured to receive a process gas, and a gas outlet configured to expel processed gas. The GDP is configured to distribute the process gas within the process chamber. The GDP has a plurality of holes evenly distributed thereon. The GDP comprises a first zone and a second zone. The first zone is closer to the gas outlet than the second zone. At least one hole in the first zone is closed.

Abstract: A computing device is provided with a slot that includes a first locking element and a second locking element configured to receive a removable computing device carrier. The computing device carrier includes a bracket for securing a first computing device in a first receiving space, and second computing device in a second receiving space. The bracket also includes a first latching mechanism configured to secure the first locking element of the slot, and a second latching mechanism configured to secure the second locking element of the slot. The computing device carrier also includes a frame secured to the bracket. The frame includes a first end with a first guide slot, and a second end with a second guide slot. The first and second guide slots are configured to enable the computing device carrier to adjust from a first position to a second position while secured within the slot.