Abstract:
A string for a sports racket includes a base core formed from at least a first filament, an intermediate layer formed from a plurality of second filaments and enclosing the base core, and a first sheath layer enclosing the intermediate layer. At least one of the first filament and the second filaments has a molded structure which includes a toothed core that is made of a first plastic material and that has a toothed outer surface, and a second sheath layer that is made of a second plastic material and that is molded over the toothed core. The first plastic material has a hardness and a wear-resistance less than those of the second plastic material.
Abstract:
Sports rod equipped with sound reproducer is composed mainly of a first rod case and a second rod case, both being of hollow construction and made of plastic material by injection molding. The first and the second rod cases join to form a rod-shaped body with the central portion thereof being hand grip and with both ends thereof being circularly headed. The sports rod has therein a sound reproducer, which in turn is provided with a speaker mounted on the speaker mount, and a circuit board containing thereon an integrated circuit with music or exercise commands stored programmably therein. When the switch of the sports rod is turned on, the sound reproducing device of the sports rod begins producing the sound of music or exercise commands stored in the integrated circuit thereof.
Abstract:
A modular LED warning lamp has a base, a lamp module and a lamp shade. The lamp module is mounted on the base and has a positioning sleeve, multiple circuit panels and a circuit board. The positioning sleeve has multiple positioning sections formed and arranged circularly on an outer wall of the positioning sleeve. Each circuit panel is mounted individually on one of the positioning sections and has at least one LED. The circuit board is connected electrically to the LEDs. The circuit panels can be selectively mounted on some specific positioning sections to achieve a desired emitting angular range. Additionally, The circuit panels can be standardized to various types, which with different numbers of LEDs for use in the positioning sleeve. Such that, time and cost for developing a warning lamps with specific brightness and emitting angular range are reduced.
Abstract:
An auxiliary balancing device for a retractable step assembly is mounted between two distal ends of two linkages of the retractable step assembly and includes two driving gears and an interaction gear assembly. The two driving gears are mounted to the two distal ends of the two linkages, respectively. The interaction gear assembly is mounted between and meshes with the two driving gears so that the two driving gears rotate synchronously. Thus, the step of the retractable step assembly can be kept balanced and horizontal when being lowered or raised.
Abstract:
An LED illumination module has a case, multiple nuts attached to inside of the case, at least one connection assembly, a bottom cover and multiple LED elements. Each connection assembly has multiple electrically conductive elements, each of which is positioned on an inside and outside of the case and in contact with the nuts, and two wire connection elements. Each LED element has an anode terminal and a cathode terminal. The two terminals of each LED element are respectively connected to two adjacent electrically conductive elements and the two wire connection elements. Therefore, the LED elements can be fixed on the case and connected to each other in series by the connection assembly and the nuts.
Abstract:
An exercise hand grip having sound-reproducing means and application of such hand grip comprises mainly two handles and one connection rod. One of the handles comprises a first housing and a second housing, both of which are of hollow constructions made of plastic material by means of injection molding. The first housing is provided therein with a speaker mount with a circular speaker disposed thereon, a sound-reproducing apparatus provided therein with conductive pieces disposed in the battery mount, and a circuit plate in contact with batteries lodged in the battery mount. The circuit plate comprises thereon an integrated circuit storing programmably musical melodies or commands. The second housing is symmetrical in shape with the first housing. Another handle is provided with a third housing and a fourth housing, both of which are of hollow constructions made of plastic material by means of injection molding. The third housing is provided therein with an exercise count display apparatus. The connection rod is of a bendable spring body coupled pivotally at both ends thereof with both handles.
Abstract:
An information source alignment system may include a tree generation module executed by a computer system to generate a source category hierarchy tree for a source class in a first information source and a target category hierarchy tree for a target class in a second information source. The source and target category hierarchy trees may be constructed from a class hierarchy of a knowledge source. A class-similarity determination module may compare the source and target category hierarchy trees. An alignment module may determine whether the source and target classes are aligned based on the comparison of the source and target category hierarchy trees.