Patent ID: 8327279

Claim:
An information presentation device which presents information on a see-through presentation screen to a user, the information presentation device comprising: a status information obtaining unit operable to obtain status information regarding a status of the user; an observed line of sight predicting unit operable to predict, on a predetermined time basis, a future sight point of an observed line of sight from eyes of a user to an observation target in the outside world through the presentation screen, based on the status information obtained by the status information obtaining unit; a presented information obtaining unit operable to obtain information to be presented to the user as presented information, the presented information including one of text, video, image and signal information; a recognized line of sight predicting unit operable to predict, on the predetermined time basis, a future sight point of a recognized line of sight from the eyes of the user to a point on the presentation screen on which the information obtained by the presented information obtaining unit is presented, based on a predetermined rule depending on a type and an importance of the presented information; a presentation method determining unit operable to obtain, on the predetermined time basis, an intersection point of the observed line of sight and a plane, and an intersection point of the recognized line of sight and the plane, and to determine a presentation method of the presented information so that a distance between the intersection points falls within a predetermined range; and an information presenting unit operable to present the presented information in the presentation method, the presented information being obtained by the presented information obtaining unit and the presentation method being obtained by the presentation method determining unit.