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    • 5. 发明授权
    • Voltage level shifter
    • 电压电平转换器
    • US08466732B2
    • 2013-06-18
    • US12900650
    • 2010-10-08
    • Po-Hung ChenKuoyuan (Peter) HsuDavid YenSung-Chieh Lin
    • Po-Hung ChenKuoyuan (Peter) HsuDavid YenSung-Chieh Lin
    • H03L5/00
    • H03K3/356165
    • An input of a first inverter is configured to serve as an input node. An output of the first inverter is coupled to an input of a second inverter. An output of the second inverter is configured to serve as an output node. An input of a third inverter is coupled to an input of the first inverter. A gate of a first NMOS transistor is coupled to an output of the third inverter. A drain of the first NMOS transistor is coupled to the second inverter. A source of the first NMOS transistor is configured to serve as a level input node. When the input node is configured to receive a low logic level, the output node is configured to receive a voltage level provided by a voltage level at the level input node.
    • 第一反相器的输入被配置为用作输入节点。 第一反相器的输出耦合到第二反相器的输入端。 第二反相器的输出被配置为用作输出节点。 第三反相器的输入耦合到第一反相器的输入端。 第一NMOS晶体管的栅极耦合到第三反相器的输出端。 第一NMOS晶体管的漏极耦合到第二反相器。 第一NMOS晶体管的源极被配置为用作电平输入节点。 当输入节点被配置为接收低逻辑电平时,输出节点被配置为接收由电平输入节点处的电压电平提供的电压电平。
    • 6. 发明授权
    • Spout assembly adapted to be in fluid communication with a faucet
    • 适于与水龙头流体连通的喷口组件
    • US06158469A
    • 2000-12-12
    • US404632
    • 1999-09-23
    • David Yen
    • David Yen
    • E03C1/04E03C1/02
    • E03C1/0404Y10T137/9464
    • A spout assembly includes an inner tube adapted to be in fluid communication and in watertight connection with a faucet body, and an outer tube telescopically fitted on the inner tube. An outer circumferential wall of the inner tube has a plurality of annular retaining grooves disposed therein and spaced apart from and aligned with one another for receiving annular elastomeric members. Each elastomeric member extends beyond the outer circumferential wall to form an annular bump portion. The outer tube is slidably fitted on the outer circumferential wall, and has an inner peripheral wall with an annular friction member to surround and in slidable contact with the outer circumferential wall. Thus, when the friction member is brought into engagement with one of the annular bump portions by sliding movement of the inner peripheral wall, the engaged annular bump portion will be deformed radially to increase the friction force therebetween so as to arrest the inner peripheral wall from moving relative to the outer circumferential wall.
    • 喷嘴组件包括适于与水龙头本体流体连通并与水密连接的内管和可伸缩地装配在内管上的外管。 内管的外周壁具有多个设置在其中的环形保持槽,并且彼此间隔开并且彼此对准以接收环形弹性体构件。 每个弹性体构件延伸超过外周壁以形成环形凸起部分。 外管可滑动地安装在外周壁上,并且具有环形摩擦构件的内周壁,以围绕外壁和与外周壁滑动接触。 因此,当通过内周壁的滑动使摩擦构件与其中一个环形凸起部分接合时,接合的环形凸起部分将径向变形,以增加它们之间的摩擦力,从而阻止内周壁 相对于外周壁移动。