JP2000050222A5

JP2000050222A5 - Communication system and communication method

Info

Publication number: JP2000050222A5
Application number: JP1998215652A
Authority: JP
Filing date: 1998-07-30
Publication date: 2005-09-08
Anticipated expiration: 2018-07-30

Description

【０００１】
【発明の属する技術分野】
この発明は通信システムと通信方法に関する。詳しくは、投影手段によって、第１の端末側と接続された第２の端末側の画像を、第１の端末側の液晶スクリーンに投影すると共に、スクリーン制御手段によって液晶スクリーンにパターン表示を表示し、パターン表示によって液晶スクリーンの光散乱状態とされた領域を用いて投影された画像を表示すると共に、光透過状態とされた領域を介して第１の端末側の画像を撮像手段で撮影し、臨場感を維持しながら良好で滑らかな画像を表示して相互通信を可能とするものである。 [0001]
[Technical field to which the invention belongs]
The present invention relates to communication systems and communication methods . Specifically, the image of the second terminal side connected to the first terminal side is projected on the liquid crystal screen of the first terminal side by the projection means, and the pattern display is displayed on the liquid crystal screen by the screen control means. The image projected using the area of the liquid crystal screen in the light scattering state by the pattern display is displayed, and the image of the first terminal side is taken by the imaging means through the area of the light transmission state. It enables mutual communication by displaying a good and smooth image while maintaining a sense of realism.

【００１３】
【課題を解決するための手段】
そこで、この発明では、臨場感を維持しながら良好で滑らかな画像を表示して相互通信を行うことができる通信システムと通信方法を提供するものである。 0013
[Means for solving problems]
Therefore, the present invention provides a communication system and a communication method capable of displaying a good and smooth image and performing mutual communication while maintaining a sense of presence.

【００１４】
【課題を解決するための手段】
この発明に係る通信システムは、第１の端末側のパターン表示可能なスクリーンに、第１の端末側と接続された第２の端末側の画像を投影する投影手段と、スクリーンでのパターン表示動作を制御するスクリーン制御手段と、第２の端末側に供給する第１の端末側の画像を、スクリーンを介して撮影する撮像手段とを有するものである。また、通信方法には、第１の端末側のパターン表示可能なスクリーンに、第１の端末側と接続された第２の端末側の画像を投影する投影工程と、スクリーンでのパターン表示動作を制御するスクリーン制御工程と、第２の端末側に供給する第１の端末側の画像を、スクリーンを介して撮影する撮像工程とを有するものである。

0014.
[Means for solving problems]
The communication system according to the present invention includes a projection means for projecting an image on the second terminal side connected to the first terminal side on a screen capable of displaying a pattern on the first terminal side, and a pattern display operation on the screen. It has a screen control means for controlling the above, and an image pickup means for capturing an image on the first terminal side supplied to the second terminal side through the screen. Further, the communication method includes a projection step of projecting an image of the second terminal side connected to the first terminal side on a screen capable of displaying a pattern on the first terminal side, and a pattern display operation on the screen. It has a screen control step for controlling and an imaging step for capturing an image on the first terminal side supplied to the second terminal side via a screen.

Claims

In a communication system that connects a plurality of terminals located remotely to perform mutual communication,
Projecting means for projecting an image on the second terminal side connected to the first terminal side on a screen capable of pattern display on the first terminal side;
Screen control means for controlling the pattern display operation on the screen;
A communication system, comprising: an imaging unit configured to capture an image of the first terminal supplied to the second terminal through the screen.

The communication system according to claim 1, wherein the screen is a screen configured using liquid crystal.

Controlling the screen by the screen control means, forming a light scattering state region and a light transmission state region with the screen as a pattern display state;
An image projected by the projection unit is displayed using the light scattering state region of the screen, and an image on the first terminal side is captured by the imaging unit through the light transmission state region of the screen. The communication system according to claim 2.

Controlling the screen by the screen control means;
A pattern display state in which the screen is divided into a light scattering state region and a light transmission state region, and a pattern inversion display state in which the light scattering state region and the light transmission state region are switched are predetermined. Switch every hour,
An image projected by the projection unit is displayed using the light scattering state region of the screen, and an image on the first terminal side is captured by the imaging unit through the light transmission state region of the screen. The communication system according to claim 2.

Controlling the screen by the screen control means;
A pattern non-display state in which the screen is in a light transmission state and a pattern display state in which the screen is divided into a light scattering state region and a light transmission state region are switched at predetermined time intervals,
An image projected by the projection unit is displayed using the light scattering state region of the screen, and an image on the first terminal side is captured by the imaging unit through the light transmission state region of the screen. The communication system according to claim 2.

Level control means for controlling the signal level of the image signal obtained by the imaging means depending on whether the screen is in the pattern non-display state or the pattern display state;
6. The communication according to claim 5, wherein the level control means performs control so that the signal level of the image signal matches when the screen is in the pattern non-display state and when the screen is in the pattern display state. system.

The screen using the liquid crystal is
A first screen that is divided into a light scattering state region and a light transmission state region when in the pattern display state, and a light blocking state region and a light transmission state region when in the pattern display state The first screen and the second screen are positioned such that the light-scattering state region overlaps the light-blocking region.
The image projected by the projection means is displayed using the light scattering region of the first screen, and the second screen side through the light transmissive region of the first and second screens. The communication system according to claim 2, wherein an image on the first terminal side is captured by the imaging unit.

The communication system according to claim 2, wherein the screen using the liquid crystal has a dot-matrix transparent electrode.

The communication system according to claim 2, wherein the imaging unit is provided at a position on an extension of a line of sight facing a speaker on the first terminal side.

In a communication method in which a plurality of terminals located remotely are connected to perform mutual communication,
A projecting step of projecting an image of the second terminal connected to the first terminal on a screen capable of pattern display on the first terminal;
A screen control step for controlling a pattern display operation on the screen;
A communication method comprising: an imaging step of capturing an image of the first terminal supplied to the second terminal through the screen.