In order to serve, to each of client terminals (101), programs and data for selecting a video service considering each memory capacity of the client terminals (101), client terminals (101) of a video-on-demand system of the invention send information of their memory capacity together with a request for downloading video selection programs to a server station (121). The server station (121) downloa...

Method and apparatus for determining a route from a source location to a final destination using a vehicle navigation system having a map database. At least one intermediate destination is determined from the map database, each intermediate destination being at the other end of an intermediate route from the source location. A cost value is calculated for each intermediate destination. A best inte...

An oxygen generating device to which a gas mixture containing oxygen is fed, and which is operable to separate the gas mixture into oxygen rich and oxygen depleted gas components, the device comprising a first material which when at an elevated temperature at or above a minimum operating temperature, is active to separate the gas mixture into oxygen rich and oxygen depleted gas components wherein ...