Abstract: A setting unit sets the operating mode of an aerial vehicle to a first operating mode that transmits, data generated by a host aerial vehicle and data received from another aerial vehicle to a processing device, or a second operating mode that transmits data generated by a host aerial vehicle to another aerial vehicle. At this time, setting unit sets the operating modes of each of a plurality of aerial vehicles using a setting method corresponding to the attributes of an airspace in which aerial vehicle flies, from among a plurality of setting methods that set the operating mode of aerial vehicle. The attributes of an airspace include attributes determined in accordance with a degree of importance pertaining to the process of transmitting data from aerial vehicle to a server device and/or attributes determined in accordance with the extent to which processes are distributed among a plurality of aerial vehicles.

Abstract: A security enhancement apparatus is provided which is capable of preventing infection by malware that requires writing of important files of the OS or system, by protecting the important files from writing if data protection is implemented in units of files. The security enhancement apparatus relays IO of a PC, control device, or the like. A hard disk, USB device, display, or the like is connected via the security enhance apparatus. As for data protection in a storage, data is handled not only in units of sectors but also in units of files. The apparatus directly performs secure data transfer or display, setting/input therefor, or the like, thereby being able to correctly make an alert or inquiry to the user even in the case where a vulnerability of the OS or application program is attacked and control of the PC or control device is taken by an unauthorized program. Also, during communication, the security enhancement apparatus can authenticate a communication-partner device and encrypt communication content.

Abstract: A medical diagnostic apparatus that includes an examination means for examining a subject to generate medical information; operation console means retaining information on an examination plan for a plurality of subjects, for managing the operation of examinations by the examination means; and display means provided on a surface of a housing of the examination means, for displaying information identifying the current subject to be examined transmitted by the operation console means. Thus, the subject can directly confirm the relationship between himself and the examination means visually from the information identifying the current subject to be examined (e.g., the name of the patient A) displayed on the display means under an inseparable condition.

Abstract: For the purpose of enabling reduction of exposure dose, in an X-ray controlling method for an X-ray imaging apparatus for producing an image based on detected X-ray signals, an upper limit of an X-ray exposure dose to a subject to be imaged is set (603), and the tube current of an X-ray tube is modulated so that the exposure dose does not exceed the upper limit (606-610). The modulation of the tube current is achieved by finding an exposure dose predicted value based on an imaging protocol, and modifying a tube current set value in the imaging protocol when the predicted value exceeds the upper limit.

Abstract: There is provided RE-Ba-Cu-O oxide bulk superconductors in which considerably high critical current density is obtained at relatively high temperature. In the present RE-Ba-Cu-O bulk superconductors, RE is a combination of two or more elements selected from La, Nd, Sm, Eu and Gd, at least one of them being La, Nd and Sm and the remainder being Eu or Gd, in which a parent phase thereof comprises a RE.sub.1+x Ba.sub.2-x Cu.sub.3 O.sub.y crystal wherein -0.1<x<0.2 and 6.7<y<7.1, and 5 to 50% by volume of a RE.sub.2 Ba.sub.2 CuO.sub.5 fine dispersed phase having partide size of 0.01 to 0.5 .mu.m. Preferably, a total amount of Eu and Gd in the RE site is 40% by weight or less, while a slight amount of Pt may be added. As a result, the critical current density at liquid nitrogen temperature can be improved to 10,000 A/cm.sup.2 or more under a condition where a magnetic field of 3T is impressed parallel to c axis of the crystal.