| 摘要 |
PROBLEM TO BE SOLVED: To use a half mirror as a screen and as a mirror turning on/off the screen by using the half mirror for the screen of a main body of AC equipment or communication equipment having a screen such as a television, personal computer, car navigation system, video camera or monitor or the surface side of a display or the like. SOLUTION: A half mirror (3) is used for the front side of a screen part (2) on a main body (1) of video camera, AV equipment or communication equipment having the screen such as a television, personal computer, car navigation system or monitor.
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