Abstract: A clamping device for a machine tool includes at least three pivoting members and a drive member drivingly connected to the pivoting members. The clamping device works in such a way that the pivoting members clamp the workpiece to be processed, then the drive member rotates the pivoting members, and the workpiece is also rotated while being clamped between the pivoting members. The clamping device employs at least three pivoting members to clamp the workpiece, and the three pivoting members clamp the workpiece while rotating the same, which can reduce vibration and balance the workpiece. Therefore, the clamping device is capable of reducing vibration, reducing machining errors and improving processing quality.

Abstract: A light assembly includes a charge/discharge unit which is electrically connected to a control unit and a switch is electrically connected to the control unit so as to control the output of the control unit. A driving unit is electrically connected to the control unit and the charge/discharge unit so as to drive a light source. A connection port is electrically connected to the charge/discharge unit, the control unit, the driving unit and the light source so as to be connected with an electric appliance such as an energy generating device.

Abstract: A shock absorbing and magnetic levitating cushion used as a supporting pedestal for an audio-video equipment, the cushion including a housing, two mutually excluded annular magnets, a magnetic conductive member and a cover. The housing has two annular magnets mutually excluded and opposite to each other, and has a magnetic conductive member filled with material of high specific weight. The housing is covered with a cover. According to the principle of mutual exclusion between two poles of two magnets of identical polarity, the two annular magnets undergo a magnetic-levitating phenomenon and are provided therebetween with a space for movement, and the magnetic levitating cushion gets an effect of shock isolation and shock absorbing.

Abstract: A direct-type backlight module with photo sensors has a plurality of lamps, a plurality of the photo sensors for detecting illumination of corresponding lamps, a comparative and arithmetic unit for processing signals generated by the photo sensors, and a main lamp driving loop for receiving feedback signals generated by the comparative and arithmetic unit and adjusting a lamp current voltage outputted by a minor lamp driving loop of each lamp, so as to achieve an uniform illumination of each lamp.

Abstract: A shock absorbing and magnetic levitating cushion used as a supporting pedestal for an audio-video equipment, the cushion including a housing, two mutually excluded annular magnets, a magnetic conductive member and a cover. The housing has two annular magnets mutually excluded and opposite to each other, and has a magnetic conductive member filled with material of high specific weight. The housing is covered with a cover. According to the principle of mutual exclusion between two poles of two magnets of identical polarity, the two annular magnets undergo a magnetic-levitating phenomenon and are provided therebetween with a space for movement, and the magnetic levitating cushion gets an effect of shock isolation and shock absorbing.

Abstract: An automatic electric power generating device for wheels includes a wheel hub and a housing. The wheel hub is provided with a first magnetic pole set and a second magnetic element. The first magnetic pole set has a spool, and left and right magnetic poles. The spool is winded with a coil having a guiding end thereof connected to an illuminating element installed at the wheel hub. The housing is provided with a first magnetic element and a second magnetic pole set. The second magnetic pole set has a spool, and left and right magnetic poles. The spool is winded with a coil having a guiding end thereof connected to a lighting device. Through rotations of the wheel, induction is generated between the driven and rotating magnetic pole sets and the magnetic elements.

Abstract: A direct-type backlight module with photo sensors has a plurality of lamps, a plurality of the photo sensors for detecting illumination of corresponding lamps, a comparative and arithmetic unit for processing signals generated by the photo sensors, and a main lamp driving loop for receiving feedback signals generated by the comparative and arithmetic unit and adjusting a lamp current voltage outputted by a minor lamp driving loop of each lamp, so as to achieve an uniform illumination of each lamp.

Abstract: A luminous device capable of automatically generating power includes a set of induction coils with one end connecting to a luminous element and placed inside a light conductor which is fastened onto a steel wire of a wheel via a fastening structure; one or more than one magnets are disposed inside a magnet case corresponding to the set of induction coils. Therefore, when the wheel spins, it drives the light conductor to rotate thereby generating electric current between the set of induction coils and the magnet to further drive the luminous element. In addition, the light conductor guides the light source of the luminous element outwardly so as to generate luminous and warning function.

Abstract: A bulb type speaker structure mainly comprises a speaker, a circuit board, and a case body. The circuit board is lodged inside of a housing of said case body. Leads connect an inside conductor and an outside one of a joint of the case body to an AD adaptor of the circuit board respectively. The speaker is set in the remaining space inside the housing and connected to an amplification circuit of the circuit board with leads. A safeguard combined to the opening of the housing can seal and form the bulb type speaker structure. Such bulb type speaker can be easily connected with a bulb holder through the joint of the case body so as to perform its facility and maneuverability of installation without additional stands.

Abstract: A transformer of power-amplifier module for an audio device includes a casing having a first plug and a second plug formed thereon. In the casing, there is an amplifying circuit having an input electrically connected to the first plug and an output electrically connected to the second plug of the casing. The amplifying circuit terminates in a transformer at the output. Furthermore, the transformer is adjustable so as to control the amplitude of output voltage of the transformer of power-amplifier module.

Abstract: A bulb type speaker structure mainly comprises a speaker, a circuit board, and a case body. Said circuit board is lodged inside of a housing of said case body. Leads connect an inside conductor and an outside one of a joint of said case body to an AD adaptor of said circuit board respectively. Said speaker is set in the remaining space inside said housing and connected to an amplification circuit of said circuit board with leads. A safeguard combined to the opening of said housing can seal and form the bulb type speaker structure. Such bulb type speaker can be easily connected with a bulb holder through the joint of said case body so as to perform its facility and maneuverability of installation without additional stands.

Abstract: A pre-embedded in-wall speaker seat comprising a frame of the speaker and a plurality of brackets, in which, by insertion of engaging hooks on the external peripheral surfaces of the middle sections of the brackets into engaging recesses to hook the inner edges of the engaging recesses, protrusions on these peripheral surfaces of the middle sections of the brackets can be inserted into some engaging grooves in passing to make engagement and positioning of some positioning ribs with some positioning recesses. Thereby, the pre-embedded in-wall speaker seat is completed.

Abstract: A transformer of power-amplifier module for an audio device includes a casing having a first plug and a second plug formed thereon. In the casing, there is an amplifying circuit having an input electrically connected to the first plug and an output electrically connected to the second plug of the casing. The amplifying circuit terminates in a transformer at the output. Furthermore, the transformer is adjustable so as to control the amplitude of output voltage of the transformer of power-amplifier module.

Abstract: A luminous device capable of automatically generating power includes a set of induction coils with one end connecting to a luminous element and placed inside a light conductor which is fastened onto a steel wire of a wheel via a fastening structure; one or more than one magnets are disposed inside a magnet case corresponding to the set of induction coils. Therefore, when the wheel spins, it drives the light conductor to rotate thereby generating electric current between the set of induction coils and the magnet to further drive the luminous element. In addition, the light conductor guides the light source of the luminous element outwardly so as to generate luminous and warning function.

Abstract: A wheel made of an optically conductive material is provided at a hub thereof with a power supply device. A plurality of light emitting elements are connected to the power supply device and separately disposed in spokes of the wheel. Alternatively, a plurality of optically conductive elements, which may have a specially designed configuration, shape or color, are separately fixedly mounted on the spokes of the wheel with the light emitting elements mounted therein. Light beams emitted from the light emitting elements are transmitted outward via the spokes or the optically conductive elements to provide a visually good warning effect. Such wheel is particularly suitable for use with bicycles, tricycles, and strollers.

Abstract: An automatic wheel-driven generating device mainly includes a base fixedly mounted on a wheel around an axle thereof and provided with a centered hollow column and one or more radially extended hollow pipes for each receiving a light-emitting element therein; a winding reel enclosed between left and right magnetic poles and fixedly mounted on the hollow column; and a magnet holder having a cap screwed into a center thereof and being fixedly mounted on the axle. The magnet holder carries magnets and is associated with the winding reel and the magnetic poles without contact with them. When the wheel rotates, the winding reel and the magnetic poles on the base rotate along with the wheel relative to the magnet holder that is unmovably fixed on the axle, so that an induced current is produced to drive the light-emitting elements to emit light beams.

Abstract: An automatic wheel-driven generating means mainly includes a base fixedly mounted on a wheel around an axle thereof and provided with a centered hollow column and one or more radially extended hollow pipes for each receiving a light-emitting element therein; a winding reel enclosed between left and right magnetic poles and fixedly mounted on the hollow column; and a magnet holder having a cap screwed into a center thereof and being fixedly mounted on the axle. The magnet holder carries magnets and is associated with the winding reel and the magnetic poles without contact with them. When the wheel rotates, the winding reel and the magnetic poles on the base rotate along with the wheel relative to the magnet holder that is unmovably fixed on the axle, so that an induced current is produced to drive the light-emitting elements to emit light beams.

Abstract: An automatic wheel-driven generating means mainly includes a base fixedly mounted on a wheel around an axle thereof and provided with a centered hollow column and one or more radially extended hollow pipes for each receiving a light-emitting element therein; a winding reel enclosed between left and right magnetic poles and fixedly mounted on the hollow column; and a magnet holder having a cap screwed into a center thereof and being fixedly mounted on the axle. The magnet holder carries magnets and is associated with the winding reel and the magnetic poles without contact with them. When the wheel rotates, the winding reel and the magnetic poles on the base rotate along with the wheel relative to the magnet holder that is unmovably fixed on the axle, so that an induced current is produced to drive the light-emitting elements to emit light beams.

Abstract: A jack is provided which includes a vertical lift rod which is disposed within a tubular housing and has a male thread formed on its longitudinal body. Two guide blocks are included with each having a recess with a half female thread formed therein, the two blocks together forming a complete female thread to engage or disengage from the male thread of the lift rod. The lift rod can be lifted up by its rotation within the female thread, when the lift rod is rotated by a handle connected with a worm engaging a worm gear. The worm gear has two keys formed on its inner wall for receipt within two respective longitudinal slots of the lift rod for engagement thereof. The lift rod can be rapidly lowered by displacement of the two guide blocks away from engagement with the lift rod. A rack and pinion arrangement is provided for displacement of the guide blocks responsive to rotation of a handle coupled to the pinion.

Abstract: A securing base having a round base of three layers to support a pressing disc combined with a supporter, a shaft passing throught the pressing disc to engage the round base by means of threads, a ball at a bottom of a movable rod fitting in a spherical hole in an upper portion of the movable rod, the ball having a plurality of small holes for a pin end of the supporter to selectable in an angle needed.