Apparatus and Method for Automatic Enablement of a Rear-Face Entry in a Mobile Device

A mobile device capable of automatic enablement of a rear-face data entry, the mobile device comprising:

• a CPU and a memory unit operatively connected to the CPU;
• a graphics unit operatively connected to the CPU;
• a front display unit operatively connected to the graphics unit;
• a rear display unit operatively connected to the graphics unit;
• a battery operatively connected to the CPU, the graphics unit, the front display unit, and the rear display unit;
• a rear-cover data entry interface as a detachable rear-surface cover of the mobile device, wherein the rear-cover data entry interface includes a physical keyboard or a virtual keyboard touch screen, which is attach to or detached from at least a portion of a rear surface of the mobile device;
• and
• an automatic rear-cover data entry interface enable/disable sensor capable of detecting whether the rear-cover data entry interface is facing-up or facing a user's line of sight.

A method for automatic enablement of a rear-face data entry in a mobile device, the method comprising the steps of:

• turning on the mobile device with a rear-face or rear-cover data entry interface;
• checking whether a rear surface of the mobile device faces up or form a line of sight with a user;
• if the rear surface of the mobile device faces up and/or form the line of sight with the user:
• checking whether a rear-face manual lock is in “off” position, and if the rear-face manual lock is in “off” position:
• enabling data entry on the rear-face or rear-cover data entry interface;
• and
• if the rear surface of the mobile device does not face up and/or does not form the line of sight with the user:
• keeping the rear-face or rear-cover data entry interface disabled, or disabling the rear-face or rear-cover data entry interface if it is not already disabled.