Abstract: A terminal device includes a display (1) displaying information, a backlight control unit (3) controlling backlight luminance of the display, an illuminance sensor (4) detecting a surrounding brightness, an opening/closing detection unit (5) detecting opening or closing of the housing, a memory (6) storing a predetermined luminance value and a luminance correction value for illuminance, and a control unit (7) controlling the display, the backlight control unit, the illuminance sensor, the opening/closing detection unit and the memory.

Abstract: A terminal device includes a display (1) displaying information, a backlight control unit (3) controlling backlight luminance of the display, an illuminance sensor (4) detecting a surrounding brightness, an opening/closing detection unit(5) detecting opening or closing of the housing, a memory (6) storing a predetermined luminance value and a luminance correction value for illuminance, and a control unit (7) controlling the display, the backlight control unit, the illuminance sensor, the opening/closing detection unit and the memory.

Abstract: A terminal device includes a display (1) displaying information, a backlight control unit (3) controlling backlight luminance of the display, an illuminance sensor (4) detecting a surrounding brightness, an opening/closing detection unit(5) detecting opening or closing of the housing, a memory (6) storing a predetermined luminance value and a luminance correction value for illuminance, and a control unit (7) controlling the display, the backlight control unit, the illuminance sensor, the opening/closing detection unit and the memory.

Abstract: The present invention is to provide a mobile terminal device and a schedule management method, both of which can confirm a schedule easily and execute a process concerning the schedule easily. Among pre-registered schedules, a schedule within a certain period of time is sequentially displayed in a telop, the operation of the telop is stopped by operating a particular key during displaying of the telop, and a detailed screen is displayed with respect to a selected schedule. Furthermore, a member registered in the schedule is stored in advance in association with phonebook data; in the case where a member is selected on the detailed screen, a mail address and a phone number corresponding to the member are specified; and a mail transmission screen on which a mail address is previously displayed and a phone calling screen on which a phone number is previously displayed are displayed.

Abstract: A battery recycle system includes a vending machine for vending secondary batteries. The vending machine has therein a telecommunication terminal connected to a server provided in a secondary battery for receiving information of minimum quality of a typical used secondary battery. Upon receiving a used battery from a user, the vending machine supplies a charged battery to the user at a reduced cost corresponding to the quality of the used battery. The used battery is charged and stocked for a next user.

Abstract: A battery recycle system includes a vending machine for vending secondary batteries. The vending machine has therein a telecommunication terminal connected to a server provided in a secondary battery for receiving information of minimum quality of a typical used secondary battery. Upon receiving a used battery from a user, the vending machine supplies a charged battery to the user at a reduced cost corresponding to the quality of the used battery. The used battery is charged and stocked for a next user.