Patent ID: 8581968

Claim:
A notification system comprising: a display apparatus; and one or more shutter glasses, wherein the display apparatus comprises: a display module configured to display a 3D picture, and a transmitter configured to transmit control information to each of the shutter glasses, wherein the control information contains a shutter control information for controlling each of the shutter glasses, wherein each of the shutter glasses comprises: a receiver configured to receive the control information containing shutter control information; a shutter controller configured to open and close a right eye shutter and left eye shutter of each of the shutter glasses, based on the shutter control information contained in the received control information; and a notification module configured to notify a user of a warning when a specific period of time has elapsed after the receiver starts to receive the control information, wherein the control information further contains a time control information for controlling each time when each of the shutter glasses notifies the user of the warning, the transmitter is configured to transmit the shutter control information and the time control information, the receiver is configured to receive the shutter control information and the time control information from the transmitter, and the notification module is configured to notify the user of the warning when a specific period of time has elapsed on the basis of the time control information after the receiver starts to receive at least one of the control information and the time control information, wherein the transmitter is configured to transmit the time control information to the receiver, the time control information comprising; an identifier for each of the shutter glasses; and a time information associated with the corresponding identifier, wherein the notification module is configured to notify the user of the warning when a specific period of time has elapsed on the basis of the time information associated with the identifier for each of the shutter glasses, among the time information contained in the received time control information.