A personal information control system that makes it easy to carry out a shift of personal information accompanying to a replacement of a portable telephone apparatus with a new one by carrying out control and maintenance of the personal information. The light coupler includes a first region proximal the light source where the first region has a first index of refraction and a second region abutting the first region to define a boundary therebetween. With this structure, the invention provides a voice response system capable of raising an appeal performance to a listener more than conventionally. Two lugs respectively extend from an end of the closed surface and a second end of the peripheral flange. The set of binary data includes a notice that there are no synthetic event electronic files in the database of electronic files.