Abstract: A constant-current controller for a LED light string has a control unit, multiple constant current circuits, multiple first switches and multiple second switches. The control unit outputs driving signals to turn on the first switches, causing the second switches being turned on subsequently. Therefore, the constant current circuits output electric currents flowing through the second switches to activate the LED light string.

Abstract: A chair assembly has a base frame, a backrest frame, a seat frame and a seat-adjusting device. The backrest frame is mounted on the base frame. The seat frame is connected pivotally to the base frame. The seat-adjusting device is mounted between the base frame and the seat frame and may be manipulated to move the seat bar backward or forward relative to the base frame. Therefore, a distance between the seat frame and the backrest frame may be adjusted to adapt for different users.

Abstract: A drinking-water level alarm lamp for being placed in a water feeder includes a watertight casing including therein a lamp, a rolling ball tilt switch, a battery and a weight. When the water feeder contains drinking water, the drinking-water level alarm lamp half floats above the water by virtue of the inner space of the watertight casing and the weight. When the water feeder contains no drinking water, the drinking-water level alarm lamp lies at a bottom of the water feeder. The drinking-water level alarm lamp uses the presence and absence of the drinking water in and from the water feeder to change a position of the drinking-water level alarm lamp, so that the rolling ball tilt switch in the drinking-water level alarm lamp is accordingly switched to turn on or off the lamp.

Abstract: A multimedia data streaming system and a method thereof transmit multimedia data to a receiver by a streaming server through a dynamic streaming process. The multimedia data streaming system includes a converting module and a scheduler module. The scheduler module is used to obtain the bandwidth condition between the streaming server and the receiver dynamically. The scheduler module can request the converting module to convert the original data into streaming pieces with the optimal bit rates in accordance with the bandwidth condition detected. The streaming pieces can be transmitted to the receiver by the streaming server.

Abstract: An antenna device includes a support pole, a fixing seat mounted on the support pole, at least one clamping member mounted on the support pole and combined with the fixing seat by at least one locking bolt, and an antenna box mounted on the fixing seat. The fixing seat is provided with a square mounting sleeve which has a mounting chamber and two opposite fixing holes. The antenna box has a square insertion block inserted into the mounting chamber. The insertion block has a plurality of adjusting holes. Thus, the orientation of the antenna box is adjustable so that the antenna box can be disposed at a horizontal position or a vertical position so as to receive a wireless signal exactly and clearly.

Abstract: A locking assembly for a door having an outer side, an inner side and a sidewall and has an exterior assembly, a cylinder and an interior assembly. The exterior assembly is mounted on the outer side of the door and has an outside mounting seat, a press-button, a transmitting device, a transmitting board, an engaging wheel and a rotating spindle. The cylinder is mounted in the exterior assembly and has a cylinder-transmitting panel. The multi-point latch is mounted in the sidewall of the door and is connected to the exterior assembly and the cylinder. The interior assembly is mounted on the inner side of the door, is connected to the exterior assembly and the cylinder and has an inside mounting seat, a operating handle, a switch, a linking device, a seat board, an inside reset spring and a switch mount.

Abstract: A pillow support structure of a chair contains a fixing unit including a body and a back cover, wherein the body includes a longitudinal groove having a laterally through slot and a limiting piece with a tilted guide recess and a defining end; the longitudinal groove includes a resilient swinging rib with a tooth portion and an abutting tab; a vertical moving unit including a moving member and a sliding panel having a stop element, a plurality of peripheral teeth, and includes a side rim biased against the abutting tab; an inserting member including a biasing end and a pressing segment, such that the stop element of the sliding panel of the moving member is capable of preventing from contacting with the defining end of the body so that the sliding panel of the moving member disengages from the body smoothly.

Abstract: An ejector device is mounted in an injection molding machine and has a base, a driving assembly mounted through the base and a hydraulic cylinder and a transmission assembly driving the driving assembly. The driving assembly is further connected to a rotating die of a die assembly and moves recipricatorily and rotates the rotating die to displace a semi-manufactured plastic article from one set of die faces to another set of die faces to form another plastic layer. Thus, a plastic article with multiple layers or multiple colors is formed in one injection molding machine.

Abstract: A mini pump has a head including a connective end, a nozzle and an air channel communicating the connective end with the nozzle. A cylinder assembly is removably engaged with the connective end of the head. A tube is selectively received in the cylinder assembly and has an end connected to the connective end. The head is locked to the cylinder assembly and the tube is concealed in the cylinder assembly when the head is in a first position. The head is disengaged from the cylinder assembly and the tube extends out of the cylinder assembly when the head is in a second position.

Abstract: A nozzle device includes a body, a controller and a core set. The controller is pivotally mounted on the body and is pivotable with respect to the body between a first position and a second position. The core set is slideably received in the body. While the controller is in the first position, the core set is slideable in the chamber and is adapted for coupling with a French type valve. While the controller is in the second position, the core set is fixed and is adapted for coupling with an American type valve.

Abstract: A lock device includes a locking unit, a connecting unit, and a latch. The locking unit includes a shank, a rotation knob, a control wheel, a plurality of number wheels, a plurality of locating pieces, and a plurality of snap-fit members. The shank has a first positioning hole. The rotation knob has a second positioning hole combined with the first positioning hole of the shank by a positioning member. Thus, the user has to detach the positioning member from the first positioning hole of the shank to release the rotation knob so as to rotate the rotation knob for changing the code of the number wheels, thereby preventing the user from changing the code of the number wheels freely when rotating the rotation knob unintentionally.

Abstract: A bicycle saddle includes front and rear portions; an elastic member disposed between the front and rear portions; and a valve assembly installed to the bottom of the saddle between the front and middle portions and including an air pump and an air escape valve communicating with the elastic member.

Abstract: A glasses construction includes an auxiliary frame coupled with optical lenses and disposed as needed behind the middle portion of a glasses frame coupled with lenses; and a protective frame disposed behind and snap-engaged with the glasses frame. The glasses frame and the protective frame together limit the position of the auxiliary frame. Two connecting elements, pivotally disposed on two sides of the glasses frame, respectively, are snap-engaged with connecting members extending from the ends of two temples and stopping portions formed beside the connecting members to thereby form a glasses construction. Hence, the combination or separation between the glasses frame and the protective frame, between the glasses frame and the auxiliary frame, or between the two connecting elements pivotally disposed on two sides of the glasses frame and the temples is advantageously characterized by quick positioning or removal by convenient operation.

Abstract: A board includes a board body having a striking face and first and second symmetric axes defined in the striking face and perpendicular to each other and intersect with each other at a center of the striking face. The body includes first and second edges symmetric to each other relative to the first symmetric axis. The body further includes first and second wavy edges symmetric to each other relative to the second symmetric axis. The striking face is surrounded by the first and second edges and the first and second wavy edges. When an area around the center of the striking face is stricken, a plurality of natural frequencies is generated. The overtones of the natural frequencies are approximately integer multiple of the fundamental frequency, providing a harmonic sound and enhancing the sweetness of the sound.

Abstract: A ratchet wrench includes a head having a compartment rotatably receiving a drive member. A pawl groove is formed in an inner periphery of compartment and slideably receives a pawl. A switch is received in a switch groove in the head and pivotable about a pivoting axis. A control member is movable between two positions to control engagement between the pawl and the drive member through sliding movement of a guide of the switch in a control groove in the control member. The guide of the switch contacts the contact groove at a contact point when the control member is in either operative position. A tangent to an outer surface of the guide at the contact point has an angle not larger than 45° relative to a reference line extending perpendicularly to the pivoting axis and intersecting a longitudinal axis of the guide.

Abstract: A combination wrench includes a shank, a first driving member mounted on a first end of the shank, and a second driving member mounted on a second end of the shank. The shank has different cross-sectional profiles and areas from the first driving member to the second driving member so that the shank has different thickness from the first driving member to the second driving member so as to correspond to different forces. Thus, the mediate portion of the shank has a uniform thickness and has greater strength and torque so as to withstand a larger force so that when a stress is concentrated on the mediate portion of the shank, the mediate portion of the shank can tolerate the stress, thereby preventing the shank from being deformed or broken due to an excessive force.

Abstract: A water inlet unit for an amphibious pump includes a housing having a connecting hole, a first water inlet pipe having a first end connected to the connecting hole and a second end provided with a first water inlet port, a second water inlet pipe having a first end connected to the connecting hole and a second end provided with a second water inlet port, a guide member mounted on the housing and connected to the connecting hole, and a tap detachably locked in the first water inlet port or the second water inlet port. Thus, the water inlet unit has a first water inlet port and a second water inlet port so that the water inlet unit and the amphibious pump are disposed at an upright or transverse state according to the practical space requirement.

Abstract: A pin out designation method for package board codesign has steps of defining pin characteristics and requirements, generating multiple pin patterns, pin blocks construction and grouping and pin blocks floorplanning. Designers may use an EDA tool to generate multiple pin patterns and may use the pin patterns to construct multiple pin blocks, to group the pin blocks around four sides of a chip and to adjust the pin blocks into a minimized package size of the chip.

Abstract: A hand tool includes a tool head and a handle connected to the tool head. The tool head is adapted to drive a fastening member. The handle includes an external tube adapted to be held by a user, and an internal rod inserted into the external tube. One end of the internal rod is connected to the tool head. The external tube can be selectively moved relative to the internal rod between a first position and a second position. While in the first position, the external tube is securely engaged with the internal rod. While in the second position, the external tube is rotatable relative to the internal rod so that the user can regulate the external tube of the handle in the first position or the second position upon demands, thereby obtaining comfortable and power-saving operation.

Abstract: A guiding-wire controlling rod device for chair adjustment is pivotally attached inside a housing by a rotation plate of a pivoting rod. The rotation plate has two sides each with a guiding-wire retaining notch and has multiple abutting flat surfaces formed at a front end of the rotation plate to abut with a resilient sheet to position the rotation plate at different angles. Moreover, a rear end of a controlling rod of the pivoting rod has a pivotal hole to pivotally engage with another controlling rod to drive other guiding-wires. Thereby, the controlling rods are aligned and control respectively multiple guiding-wires for different functions.