Abstract: A method of estimating greenhouse gas emission, performed by a processing device, includes: obtaining at least one time period of a number of working stations for a target manufacturing process of a product; obtaining a number of first power consumption data of the target manufacturing process, wherein the first power consumption data correspond to the working stations respectively; calculating a number of second power consumption data based on the at least one time period and the first power consumption data; searching for a number of target coefficients corresponding to the plurality of working stations respectively in coefficient database based on the target manufacturing process; and calculating greenhouse gas emission data of the target manufacturing process based on the second power consumption data and the target coefficients.

Abstract: An exemplary portable electronic device includes a housing, a circuit board, starting module set on the circuit board for starting the portable electronic device, and an assembly module. The assembly module helps assembles the housing and the circuit board together and forms a part of circuitry associated with the starting module. When the assembly module is disassembled from the housing and the circuit board, the starting module cannot start the portable electronic device.

Abstract: A board-to-board connector includes a double plastic pin header connector and a supporting plate. The double plastic pin header connector includes two opposite positioning plates, and a number of pin headers arranged in two rows and extending through the positioning plates. The supporting plate is placed between the two rows of pin headers, with opposite ends of the supporting plate resisting against the corresponding positioning plates.

Abstract: An electronic device includes an enclosure, and an operation device. The enclosure includes a first sidewall, and a second sidewall connected to a rear end of the first sidewall. A receiving recess is defined in the first sidewall and extends through the second sidewall, to receive a universal serial bus (USB) device. A USB port is installed in receiving recess away from the second sidewall, to be connected to the USB device. The operation device is pivotably connected to the receiving recess and includes two spaced arms to sandwich the USB device when the USB device is connected to the USB port. When the operation device is rotated in a predetermined direction, the arms move toward the second sidewall, to push the connected USB device to disengage from the USB port.

Abstract: An electronic device includes a housing, a circuit board arranged in the housing, a first connector, and a second connector. The first connector includes a panel formed at a first end of the first connector and located at an outer surface of the housing. The panel defines a number of first sockets to. A number of pins extend from a second end of the first connector. The second connector includes a first connecting portion and a second connecting portion. The first connecting portion defines a number of sockets to connect the pins of the first connector. The second connecting portion includes a number of pins connected to the circuit board.

Abstract: A projector includes a housing, a lens module pivotally connected to the housing, a first adjustment mechanism adjusting a pitch of the housing, and a second adjustment mechanism adjusting a pitch of the lens module. The first adjustment mechanism includes a threaded base fixed to the housing, and a support leg extending out of the housing and comprising a threaded portion. The second adjustment mechanism includes a first gear driven by the support leg, a second gear engaging the first gear, a first threaded member fixed to the second gear, a first connecting member pivotally connected to the lens module, a second connecting member slidably connected to the first connecting member, and a second threaded member. The second threaded member is fixed to the second connecting member, and threaded on and slidable relative to the first threaded member.

Abstract: An exemplary portable electronic device includes a housing, a circuit board, starting module set on the circuit board for starting the portable electronic device, and an assembly module. The assembly module helps assembles the housing and the circuit board together and forms a part of circuitry associated with the starting module. When the assembly module is disassembled from the housing and the circuit board, the starting module cannot start the portable electronic device.

Abstract: A pin header connector includes a number of electrically conductive pins, two insulating plates, and a supporting body. The pins are arranged in two parallel rows. Each of the rows comprises at least three pins. Each of the insulating plates defines a number of through holes corresponding to the pins. Each of the pins extends through the corresponding through hole. The supporting body defines slots accommodating the respective pins. The supporting body is sandwiched between the insulating plates.

Abstract: An electronic device includes an enclosure, and an operation device. The enclosure includes a first sidewall, and a second sidewall connected to a rear end of the first sidewall. A receiving recess is defined in the first sidewall and extends through the second sidewall, to receive a universal serial bus (USB) device. A USB port is installed in receiving recess away from the second sidewall, to be connected to the USB device. The operation device is pivotably connected to the receiving recess and includes two spaced arms to sandwich the USB device when the USB device is connected to the USB port. When the operation device is rotated in a predetermined direction, the arms move toward the second sidewall, to push the connected USB device to disengage from the USB port.

Abstract: A digital camera includes a bezel and an extending ring. The bezel includes a convex ring and at least one fixing portion. The convex ring is positioned on a center of the bezel. The fixing portion is defined on an outer sidewall of the convex ring. The extending ring includes a sleeve, a flange, and at least one fastening portion. The sleeve is placed around the outer sidewall of the convex ring. The flange extends from an end of the sleeve and abuts the convex ring. The fastening portion cooperates with the fixing portion.

Abstract: A pin header connector includes a number of electrically conductive pins, two insulating plates, and a supporting body. The pins are arranged in two parallel rows. Each of the rows comprises at least three pins. Each of the insulating plates defines a number of through holes corresponding to the pins. Each of the pins extends through the corresponding through hole. The supporting body defines slots accommodating the respective pins. The supporting body is sandwiched between the insulating plates.

Abstract: An all-in-one computer includes a hard disk drive (HDD), a main body, a cover, and a fasten member. The main body defines a receiving space to receive the HDD, and a fasten hole. The receiving space is bounded by a number of walls. A first raised edge protrudes from the number of walls in the receiving space. The cover includes a board, a first hook, and a mounting piece defining a through hole. The board includes opposite first and second ends. The first hook extends from the first end. The mounting piece extends from the second end. When the cover is mounted to the main body, the first hook snappingly hooks an inner side of the first raised edge, the board is stopped by the first raised edge, and the fasten member can extend through the through hole and engage in the fasten hole.

Abstract: A projector includes a projector body, a lens module, and a base rack. The front panel of the projector body defines a though hole. The lens module includes a lens body rotatably mounted to the projector body, a sliding bracket, and a lens extending from the lens body to extend through the through hole of the projector body, and a sliding bracket connected to the lens body via parallel connecting poles. The sliding bracket is slidably mounted to the base rack. The base rack is rotatably mounted to the projector body. A height of the lens is operable to be adjusted by changing the positions of the sliding bracket on the base rack.

Abstract: A digital camera includes a bezel and an extending ring. The bezel defines a circular-shaped recess, and N pairs of support arms are positioned on the inner sidewall of the recess. The N is an integer equaling or exceeding 2. Each of the pairs of support arms has different height and the two support arms in each of the pairs of support arms are symmetrically placed with respect to a central axis of the recess. The extending ring defines N?1 pairs of bar-shaped slots. An end of the extending ring contacts an end surface of one of the N pairs of support arms, and the N?1 pairs of bar-shaped slots are positioned corresponding to the other N?1 of the N pairs of support arms.

Abstract: A projector includes a projector body, a lens module with a lens, and a gear module. The lens module and the gear module are arranged in the projector body. The gear module is operable to adjust a height of the lens and keep an angle of the lens, in response to the gear module being rotated.

Abstract: A server enclosure includes a power input terminal to receive power signals, a number of connection elements, a number of lead terminals, and a number of power output terminals. Each connection element includes a connection portion and two fixing arms extending from opposite ends of the connection portion. The connection portion is engaged with the power input terminal to receive the power signals and output the power signals to the two fixing arms. Each lead terminal includes a first connection portion fixed to one fixing arm along an extending direction of the fixing arm to receive the power signals and a second connection portion to receive the power signals. Each power output terminal is connected to one of the second connection portions to receive the power signals.

Abstract: A board-to-board connector includes a double plastic pin header connector and a supporting plate. The double plastic pin header connector includes two opposite positioning plates, and a number of pin headers arranged in two rows and extending through the positioning plates. The supporting plate is placed between the two rows of pin headers, with opposite ends of the supporting plate resisting against the corresponding positioning plates.

Abstract: An electronic device includes a shell, a connector, a PCB and a pin header. The connector is mounted on the shell and includes an external connection terminal inside the shell and an internal connection terminal inside the shell and connected to the external connection terminal. The PCB is received in the shell and defines a number of vias. Two ends of the pin header respectively detachably fit into the internal connection terminal and the vias.

Abstract: A fastener includes a cylinder and a draw hook. The cylinder includes a main body, two resilient arms extending from an end of the main body, and a flange extending from a circumference of an opposite end of the main body. A number of protrusions spaced in the axial direction of the main body extends from an inside surface of each of the resilient arms. The draw hook includes a post slidably received in the cylinder, a taper-shaped engaging portion extending from an end of the post and exposed out of distal ends of the resilient arms, and a handle extending from an opposite end of the post. A diameter of the engaging portion gradually grows larger along a direction away from the post.