Abstract: A rug bed cloth structure is provided to assist in fixing a user's legs in a position. One end of the rug bed cloth is formed with a lattice net structure. The opposing end of the rug bed cloth is adapted to be secured to a spring bed. Using the lattice net to increase frictional resistance, it will provide action and reaction points for the user's legs, toes or fore part of the user's feet and prevent slipping. Another embodiment has a plurality of soft strips of material affixed on the upper side of the rug bed cloth. The strips of material form rings to support the user's feet.

Abstract: A built-in hand operatable generator for a cellular phone is provided. This generator can either be a DC or a AC dynamo equipped with a hand turning wheel or a hand operated crank emerged out of the cellular phone housing. This generator supplies the power to a charging circuit by rotating the wheel or the crank with hand so as to replenish electricity into the rechargeable dry battery of the phone in time of need.

Abstract: A self-generator device of a portable computer mainly comprises a manual generator installed inside said portable computer, said manual generator having a control bar extending outside a case of said portable computer and coupling an output of said manual generator to a charging circuit of said portable computer. When said rechargeable battery of said portable computer is low, turning said control bar to enable said manual generator and to provide power to charge said rechargeable battery, which provides enough power to said portable computer for operation, thereby preventing said portable computer from being inoperable at critical times due to exhausted battery power.

Abstract: This invention provide a rug bed cloth structure to assist legs to fix position, therein, one of the embodiment which is combined with the free end of the rug bed cloth and lattice net structure present net configuration, the fixed end of the rug bed cloth was overlapped or pressed under the spring bed: Using lattice net to increase friction resistance and form net structure, when proceed sexual intercourse, it will provide many action and reaction points to the legs' toes or fore part of the feet for the one on the upper side to prevent slipping; Another embodiment is sewed many soft strip material fixed on the positive position of the rug bed cloth, feet support by the rings which are formed by the strip material, when proceed sexual intercourse, it will provide action and reaction points for the legs' toes or fore part of the feet of the one on the upper side to prevent slipping; By the rug bed cloth structure which was mentioned above to fixed legs' position will increase the quality of sexual intercourse

Abstract: It is a PDA with a business card dedicated build-in scanner. This invention is mainly building a card scanner inside the PDA, allowing the image-recording end to be accommodated on the specific space of the PDA surface. Relying on the structure above, user may scan the card by directly operating the button on the PDA. Then the image recorded may be automatically edited as a data file, which is convenient to view and look up. On the display of the PDA the data may show.

Abstract: A versatile digital camera disclosed is capable of transforming the audio input to its picture immediately into a readable characterized illustration and transmitting same by way of existing radio communication system or global internet to a specified receiver or to display on a visual display terminal without loosing fidelity of the picture thereby saving extra manpower and time otherwise may be consumed for preparing supplementary illustration for a silent picture as that produced by the conventional technique.