Abstract: A system for a vehicle having first and second broadcast devices includes an entertainment system for playing a first medium for first entertainment by outputting a first signal, and a mobile telephone receiving and playing a second medium by outputting a second signal. The system also includes a controller monitoring the first and second signals output from the entertainment system and the mobile telephone respectively, and outputting a control signal to control switching between the entertainment system and the mobile telephone and the first and second broadcast devices responsive to the first and second signals. A switch connects the entertainment system and the mobile telephone responsive to the control signal received from the controller. When the controller detects the first and second signals output from the entertainment system and the mobile telephone, the controller controls connections between the entertainment system and the mobile telephone.

Abstract: Spectacles for wearing by a user include first and second lenses and first and second frame sections bearing the first and second lenses respectively. In addition, the spectacles include a bridge connected to the first and second frame sections, and first and second weight shift devices connected to the first and second frame sections respectively. The first and second weight shift devices transfer some of the weight of the spectacles to an area of the face of the user in addition to the nose.

Abstract: Spectacles for wearing by a user include first and second lenses and first and second frame sections bearing the first and second lenses respectively. In addition, the spectacles include a bridge connected to the first and second frame sections, and first and second weight shift devices connected to the first and second frame sections respectively. The first and second weight shift devices transfer some of the weight of the spectacles to an area of the face of the user in addition to the nose.

Abstract: An entertainment system for a vehicle having front and rear speakers includes a high quality entertainment system for playing a high quality medium to first passengers of the vehicle desiring high quality entertainment by outputting a high quality signal, and a low quality entertainment system for playing a low quality medium to second passengers of the vehicle by outputting a low quality signal, the second passengers having no preference between the high quality entertainment and low quality entertainment. In addition, the entertainment system includes a controller monitoring the high and low quality signals output from the high and low quality entertainment systems respectively, and outputting a control signal to control switching between the high and low quality entertainment systems and the front and rear speakers responsive to the high and low quality signals.