| 摘要 |
Disclosed is a glass whose color is able to be changed. The glass comprises a supplying and collecting line, a gas rotation line and an automatic color regulation unit(20). In the supplying and collecting line, a middle hole portion(10) is formed within a glass(11) and is connected to a tube(12) having a pressure sensor(13). In the gas rotation line, a colorful gas is stored in a pressure can(14). Check valves(15, 16) are installed at the inlet and outlet of the pressure can(14). A vacuum pump(17) and a 3-way valve(18) are connected to the check valves(15, 16). Also, the vacuum pump(17) is connected to the 3-way valve(18). The automatic color regulation unit(20) includes a light exposure sensor(19) and a connection circuit. The connection circuit connects the pressure sensor(13), a 3-way valve(18) and vacuum pump(17). Thereby, the permission light to the glass is controlled manually or automatically, so that color of the glass is able to be changed.
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