JP2004126997A5 - - Google Patents

Claims (15)

An image input / output device;
A man-machine interface system having a pointing device with a pointing end,
The image input / output device includes:
An output optical system capable of projecting an image on a projection surface; and an input optical system capable of acquiring an optical signal from a region of the projection surface on which the image is projected;
The man-machine interface system, wherein the pointing device includes an optical signal output unit that outputs an optical signal that can be acquired by the input optical system in the vicinity of the pointing end.   The man-machine interface system according to claim 1, wherein the output optical system is capable of projecting the image with a desk as the projection surface, and the pointing device is a pen type having the pointing end at a tip.   The man-machine interface system according to claim 1, wherein the optical signal output unit outputs light having a wavelength outside the visible light region.   2. The man-machine interface system according to claim 1, wherein the pointing device includes at least one input control switch capable of modulating the optical signal output from the optical signal output unit.   2. The distortion correction function according to claim 1, wherein a corner of an image projected by the output optical system is dragged by the pointing device through the input optical system and a trapezoidal distortion of the output optical system is corrected. Having a man-machine interface system.   The man-machine interface system according to claim 1, further comprising a screen that can be set on a desk and reflects the projection light of the output optical system in the direction of the eyes of a desk user. A first housing containing at least an output optical system including a light source, a light valve that modulates light emitted from the light source, and a projection lens that projects the modulated light;
A second housing containing at least a power supply device;
Means for connecting the first housing and the second housing.   8. The image output device according to claim 7, wherein the connecting means is an arm capable of supporting the first housing with the second housing as a base.   8. The image output device according to claim 7, wherein a changeover switch for selecting an illumination mode in which white light output from the light source is output from the projection lens is housed in the first or second housing.   8. The image output device according to claim 7, wherein the light source includes a solid light emitting element.   The image output device according to claim 7, further comprising a third housing that is attached adjacent to the first housing and houses an input optical system capable of acquiring an optical signal from a range projected by the output optical system. .   The image output apparatus according to claim 7, wherein the first housing stores an input optical system capable of acquiring an optical signal from a range projected by the output optical system.   The input optical system according to claim 12, further comprising: an imaging device, and a light branching unit that is installed between the projection lens and the light valve and guides an optical signal input from the projection lens to the imaging device. An image output device. An image input / output device including an output optical system capable of projecting an image and an input optical system capable of acquiring an optical signal from a range projected by the output optical system;
A man-machine interface system having a pointing device provided with an optical signal output unit that outputs an optical signal that can be acquired by the input optical system in the vicinity of an instruction end,
A command capable of detecting, via the input optical system, that the corner of the image projected by the output optical system has been dragged by the pointing device, and correcting the trapezoidal distortion of the output optical system; ,program.   A screen that can be placed on a desk and reflects projection light output from a projection lens placed in a certain direction toward the eyes of the desk user.