Image display apparatus
First Claim
1. An image display apparatus worn by a user on the head, comprising:
- an angle sensor for detecting an angle of rotation of the head;
an angular velocity sensor operable independently of said angle sensor for detecting a velocity of rotation of the head;
a calculator for calculating an angle of rotation of the head, based on an output from the angle sensor or the angular velocity sensor; and
a display controller for displaying an image of a direction in accordance with the angle calculated by the calculator.
1 Assignment
0 Petitions
Accused Products
Abstract
An HMD is provided with two piezoelectric vibrating gyros which detect vertical and horizontal angular velocities, and a horizontal sensor which detects a vertical angle. While the user'"'"'s head rotates, shooting direction of a three-dimensional camera is varied in accordance with the angles obtained by integration of the detected angular velocities. While the head is stationary, the obtained vertical angle and the output of the gyro is corrected based on the angle detected by the horizontal sensor. The shooting direction of the camera can be manually set irrespective of the direction of the head, and information on the viewing direction is displayed together with a taken image.
136 Citations
19 Claims
-
1. An image display apparatus worn by a user on the head, comprising:
-
an angle sensor for detecting an angle of rotation of the head; an angular velocity sensor operable independently of said angle sensor for detecting a velocity of rotation of the head; a calculator for calculating an angle of rotation of the head, based on an output from the angle sensor or the angular velocity sensor; and a display controller for displaying an image of a direction in accordance with the angle calculated by the calculator. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 19)
-
-
12. An image display apparatus for displaying an image varying in accordance with the direction of the head of a user, comprising:
-
a direction detector for detecting a direction of viewing by detecting an angle of rotation of the head; an image display controller for displaying an image in accordance with the direction detected by the direction detector; an information display controller for displaying information on the direction of viewing; a camera for inputting an image, the image display controller controlling a direction of shooting of the camera so that an image in accordance with the detected direction is displayed; and a direction setting device operable independently of said direction detector for manually setting the direction of viewing, the information display controller for displaying the information on the detected direction of viewing by representing the information as a direction relative to a direction set by the direction setting device. - View Dependent Claims (13, 14, 18)
-
-
15. An image display apparatus comprising:
-
an angle sensor for detecting an angle of rotation of a head of a user; an angular velocity sensor operable independently of said angle sensor and for detecting a velocity of rotation of the head; a calculator for calculating an angle of rotation of the head based on an output from the angular velocity sensor; means for comparing the angle of rotation detected by the angle sensor to the calculated angle of rotation so as to determine a correct angle of rotation; and a display controller for displaying an image of a direction in accordance with the correct angle of rotation.
-
-
16. An image display apparatus for displaying an image varying in accordance with the direction of the head of a user, comprising:
-
a display device for displaying an image; a direction detector for detecting a direction of viewing by detecting an angle of rotation of the head; a direction input device operable independently of said direction detector and for inputting a direction of viewing manually therefrom; a selector for selecting one direction out of the directions of viewing detected by the direction detector and inputted from the direction input device; an image display controller for displaying on the display device an image in accordance with the direction selected by the selector; and a shooting apparatus directable to the selected direction.
-
-
17. An image display apparatus for displaying an image varying in accordance with the direction of the head of a user, comprising:
-
a display device for displaying an image; a direction detector for detecting a direction of viewing by detecting an angle of rotation of the head; a direction input device operable independently of said direction detector and arranged on the display device for inputting a direction of viewing manually therefrom; a selector for selecting one direction out of the directions of viewing detected by the direction detector and inputted from the direction input device; and an image display controller for displaying on the display device an image in accordance with the direction selected by the selector.
-
Specification