Pointing device, method for displaying point image, and program therefor
First Claim
Patent Images
1. A pointing device comprising:
- an image indicating device for operating a point image;
a photographing device for photographing, which is provided in the image indicating device;
an image movement detecting device for detecting a movement of a photographed image photographed by the photographing device;
a calculating device for calculating a moving direction and a moving distance of the point image corresponding to the movement of the photographed image; and
a signal generating device for generating a signal for synthesizing the point image with a displayed image, wherein the position of the displayed point image is moved in accordance with the movement of the photographed image by the photographing device.
1 Assignment
0 Petitions
Accused Products
Abstract
A pointing device has an image indicating device; a photographing device provided in the image indicating device; an image movement detecting device for detecting a movement of a photographed image photographed by the photographing device; a calculating device for calculating a moving direction and a moving distance of a point image corresponding to the movement of the image; and a signal generating device for generating a signal for synthesizing the point image with a displayed image, wherein the position of the displayed point image is moved in accordance with the movement of the image photographed by the photographing device.
76 Citations
18 Claims
-
1. A pointing device comprising:
-
an image indicating device for operating a point image;
a photographing device for photographing, which is provided in the image indicating device;
an image movement detecting device for detecting a movement of a photographed image photographed by the photographing device;
a calculating device for calculating a moving direction and a moving distance of the point image corresponding to the movement of the photographed image; and
a signal generating device for generating a signal for synthesizing the point image with a displayed image, wherein the position of the displayed point image is moved in accordance with the movement of the photographed image by the photographing device. - View Dependent Claims (2, 3, 4, 5)
-
-
6. A method for displaying a point image comprising:
-
an image movement detecting step for detecting a movement of a photographed image;
a calculating step for calculating a moving direction and a moving distance of a point image corresponding to the movement of the photographed image; and
a signal generating step for generating a signal for synthesizing the point image with a displayed image based on the result of calculation in the calculating step.
-
-
7. A pointing device comprising:
-
an image indicating device for operating a point image;
a photographing device for photographing, which is provided in the image indicating device;
an image movement detecting device for detecting a movement of a photographed image which is photographed by the photographing device within a photographed view;
a calculating device for calculating a moving direction and a moving distance of a point image corresponding to the movement of the photographed image; and
a signal generating device for generating a signal for synthesizing the point image with a displayed image, wherein the image movement detecting device selects one or more regions as monitor points which have a gradation difference exceeding a predetermined level among each location of the photographed image. - View Dependent Claims (8, 9, 10)
-
-
11. A method for displaying a point image, comprising:
-
an image movement detecting step for detecting a movement of a photographed image by a photographing device provided in an image indicating device;
a calculating step for calculating a moving direction and a moving distance of a point image corresponding to the movement of the photographed image; and
a signal generating step for generating a signal for synthesizing the point image with a displayed image based on the result of calculation in the calculating step, wherein the image movement detecting step includes a step of selecting one or more regions as monitor points which have a gradation difference exceeding a predetermined level among each location of the photographed image. - View Dependent Claims (12)
-
-
13. A pointing device comprising:
-
a photographing device for photographing;
a point image control mode for detecting the change of the directing direction of the photographing device based on a moving distance and a moving direction of an image photographed by the photographing device within a photographed view and determining a position of a point image on a display screen in accordance with the result of the detected change;
a photographed image display mode for displaying a photographed image by the photographing device on the display screen; and
a mode selecting signal generating device for generating a signal for selecting either the point image control mode or the photographed image display mode. - View Dependent Claims (14, 15, 16, 17)
-
-
18. A program for a computer which controls so as to determine a position of a point image indicating a freely selected position on a display screen, comprising the steps of:
-
selecting a photographed image mode or a point image control mode, the photographed image display mode for displaying an image photographed by the photographing device on the display screen, the point image control mode for detecting a change of a directing direction of a photographing device based on a moving distance and a moving direction of a photographed image by the photographing device within a photographed view and determining the position of the point image on the display screen in accordance with the result of the detected change;
transmitting image data for displaying an image photographed by the photographing device on the display screen in a case in which the photographed image display mode is selected; and
transmitting image data for controlling the position of the displayed point image in a case in which the point image control mode is selected.
-
Specification