A flexible coupling assembly interconnects an output shaft and an input shaft. The device includes: a path setting element for setting a path in a special section according to a search condition; and a route searching element for searching the route including the path of the special section. Land websites can be established that contain image data, map libraries, virtual tours, legal descriptions, title information, e-documents, actual pictures of property and various other information. The ink jet recording media are capable of providing recorded images having good image quality waterfastness, and lightfastness. The service policy table can be automatically pushed to the communication device or the communication device can initiate a download of the service policy table when the default data connection is established. The rotor iron core of the permanent magnets is composed of magnetic pole pieces, auxiliary magnetic poles, and a stator yoke, and furthermore has concavities formed on the air gap face of the magnetic pole pieces of the rotor iron core of the permanent magnets, gently tilting from the central part of the magnetic poles to the end thereof.