Abstract: A portable computer, comprising a first display screen in the portrait format housed in a first panel and a second display screen in the landscape format housed in a second panel. The second panel is physically attached to the first panel, and the diagonal size of the second display screen is 40% to 70% of the diagonal size of the first display screen. The effective size of the display area is larger than the physical area of the display screens, and the portable computer can have small size, light weight, and long battery life.

Abstract: An autonomous personal transportation system for moving passengers and light freights is constructed with a track network and small vehicles on the track network. There are a number of stations and stops for loading and unloading on side tracks off the mainline of the track network. The vehicle width is limited to a dimension for one seat. The vehicles can be coupled statically or dynamically to form a train. The track has side rails for the rigid wheels of the vehicle and a central rail for centering the vehicle on the guideway and providing additional acceleration and braking capability. The control system for the movement of vehicles is divided into three levels: the central control system, the wayside control system and the vehicle control system.

Abstract: A portable flatbed scanner with one transparent platen facing the original document and another transparent platen at the back of the housing for the scanning mechanism. The original document is placed face up, but the portable flatbed scanner is placed face down on the original document, and the user can see the original document through the two transparent platens. Therefore, the effect of “what you see is what you scan” is achieved. As a result, the scanning area can be set without a prescan and the portable flatbed scanner can be used as a standalone scanner. Bibliographic information can be associated with a scanned image.

Abstract: An autonomous personal transportation system for moving passengers and light freights is constructed with a track network and small vehicles on the track network. There are a number of stations and stops for loading and unloading on side tracks off the mainline of the track network. The vehicle width is limited to a dimension for one seat. The vehicles can be coupled statically or dynamically to form a train. The track has side rails for the rigid wheels of the vehicle and a central rail for centering the vehicle on the guideway and providing additional acceleration and braking capability. The control system for the movement of vehicles is divided into three levels: the central control system, the wayside control system and the vehicle control system.

Abstract: An automated personal transportation system for moving passengers and light freights comprising a track network and small vehicles on the track network. There are a number of stations and stops for loading and unloading on side tracks off the mainline of the track network. The vehicle width is limited to a dimension for one seat. The vehicles can be coupled statically or dynamically to form a train. The track has side rails for the rigid wheels of the vehicle and a central rail for centering the vehicle on the guideway and providing additional acceleration and braking capability. The control system for the movement of vehicles is divided into three levels: the central control system, the wayside control system and the vehicle control system.

Abstract: A method of universal communication, comprising: (1) assigning user phone numbers each representing a user; (2) providing user verification and user digital signature service; (3) providing a handheld personal communication device for user verification and digital signature; (4) dynamic binding of a user phone number to a physical phone number by a database. A universal communication system comprises a handheld personal communication device as the controller for each user, a database system as the intelligent center, and communication adaptors. As a result of the separation of the user phone number from the physical phone number and the related verification and digital signature service, a common interface is provided for various physical communication systems. This allows the various physical communication systems to develop independently and at the same time work together to meet the ever increasing communication demand.

Abstract: The present invention provides a generic method of preparing a metal matrix composite with a textured compound. A “roller-skate” structure starting powder with a mixture of plate-like particles and smaller particles provides better flow compatibility, higher packing density, better densification and texture formation in preparing a metal matrix composite with a textured compound. In particular, the invention provides a method of preparing a textured superconducting composite wire with an improved critical current density.

Abstract: The present invention provides a generic method of preparing a metal matrix composite with a textured compound. A “roller-skate” structure starting powder with a mixture of plate-like particles and smaller particles provides better flow compatibility, higher packing density, better densification and texture formation in preparing a metal matrix composite with a textured compound. In particular, the invention provides a method of preparing a textured superconducting composite wire with an improved critical current density.

Abstract: A method of universal communication, comprising: (1) assigning user phone numbers each representing a user; (2) providing user verification and user digital signature service; (3) providing a phone-like communication device for user verification and digital signature; (4) dynamic binding of a user phone number to a physical phone number by a database. A universal communication system comprises a portable communication device as the controller for each user, a database system as the intelligent center, and communication adaptors. As a result of the separation of the user phone number from the physical phone number and the related verification and digital signature service, a common interface is provided for various physical communication systems. This allows the various physical communication systems to develop independently and at the same time work together to meet the ever increasing communication demand. This also allows service providers to develop convenient, secure, and cost-effective services.

Abstract: The present invention provides a method to prepare a (Bi,Pb)SrCaCuO-2223 superconducting wire with improved critical current density at reduced cost. In general, the basic method according to the present invention comprises the steps of: (a) preparing a starting precursor powder with the oxygen content adjusted to the value of the final 2223 phase; (b) filling the starting powder into a metal sheath; (c) performing deformation processing on the metal sheath to form a composite wire and develop texture in the 2212 superconducting phases; (d) sealing said metal sheath so that a fixed oxygen content is maintained; (e) performing sintering to obtain the (Bi,Pb)SrCaCuO-2223 phase. The method uses metals other than a silver-based material in the sheath material, thus significantly reducing the materials cost of the (Bi,Pb)SrCaCuO-2223 superconducting wire.

Abstract: The present invention provides a method to prepare a (Bi,Pb)SrCaCuO-2223 superconducting wire with improved critical current density at reduced cost. In general, the basic method according to the present invention comprises the steps of: (a) preparing a starting precursor powder with the oxygen content adjusted to the value of the final 2223 phase; (b) filling the starting powder into a metal sheath; (c) performing deformation processing on the metal sheath to form a composite wire and develop texture in the 2212 superconducting phases; (d) sealing said metal sheath so that a fixed oxygen content is maintained; (e) performing sintering to obtain the (Bi,Pb)SrCaCuO-2223 phase. The method uses metals other than a silver-based material in the sheath material, thus significantly reducing the materials cost of the (Bi,Pb)SrCaCuO-2223 superconducting wire.

Abstract: The present invention provides a method to prepare a (Bi,Pb)SrCaCuO-2223 superconductor, in particular a (Bi,Pb)SrCaCuO-2223 superconducting wire with improved critical current density at reduced cost. In the method of preparing a (Bi,Pb)SrCaCuO-2223 superconducting wire comprising the steps of filling precursor powder into a metal sheath, working the same into a wire by performing deformation processing in this state, and heat treating the wire, the precursor powder is prepared from a powder containing a fully doped 2212 phase and a powder containing an under-doped 2212 phase. This precursor powder provides the advantage of better texture formation, faster and more homogeneous reaction to form the 2223 phase, and improved connectivity between the 2223 grains during the heat treatment process, leading to improved critical current density.