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    • 32. 发明授权
    • Friction member for brake mechanism and camera shutter using the same
    • 制动机构的摩擦部件和相机快门
    • US08979402B2
    • 2015-03-17
    • US13220782
    • 2011-08-30
    • Li QianYu-Quan WangChen FengLiang Liu
    • Li QianYu-Quan WangChen FengLiang Liu
    • G03B9/10G03B9/08B82Y30/00G03B9/22G03B9/20
    • G03B9/08B82Y30/00G03B9/10G03B9/20G03B9/22Y10T428/24116Y10T428/24132
    • A friction member for a brake mechanism in a camera shutter is provided. The friction member includes at least two carbon nanotube composite layers stacked on each other, each carbon nanotube composite layer includes a polymer and a carbon nanotube structure including a number of carbon nanotubes substantially oriented along a same direction. An angle defined by the carbon nanotubes oriented along the same direction in adjacent carbon nanotube composite layers ranges from greater than 0 degrees, and less than or equal to 90 degrees. The camera shutter using the friction member is also provided. The camera shutter includes a brake mechanism and a drive mechanism including a blade driving lever having a moving path. The brake mechanism includes two abovementioned friction members and a brake lever clamped between the two friction members. The brake lever is located at a termination of the moving path to brake the blade driving lever.
    • 提供了一种用于照相机快门中的制动机构的摩擦件。 摩擦构件包括彼此堆叠的至少两个碳纳米管复合层,每个碳纳米管复合层包括聚合物和包括基本上沿相同方向定向的多个碳纳米管的碳纳米管结构。 在相邻碳纳米管复合层中沿相同方向取向的碳纳米管限定的角度范围为大于0度且小于或等于90度。 还提供了使用摩擦构件的相机快门。 相机快门包括制动机构和包括具有移动路径的叶片驱动杆的驱动机构。 制动机构包括两个上述摩擦构件和夹在两个摩擦构件之间的制动杆。 制动杆位于移动路径的终端以制动刀片驱动杆。
    • 39. 发明授权
    • Thermoacoustic device
    • 热声装置
    • US08238586B2
    • 2012-08-07
    • US12661925
    • 2010-03-25
    • Li QianYu-Quan WangChen FengLiang Liu
    • Li QianYu-Quan WangChen FengLiang Liu
    • H04R25/00
    • H04R23/002H04R2201/028H04R2205/021
    • A thermoacoustic device includes a sound wave generator, a number of first electrodes and a number of second electrodes. The sound wave generator includes a carbon nanotube structure. The second electrodes and the first electrodes are separately connected to the sound wave generator. The second electrodes and the first electrodes are parallel to each other and are alternately arranged at uniform intervals. A working voltage applied to the first and second electrodes is less than or equal to about 50 volts. The sound wave generator and the first and second electrodes satisfy a formula of 1 ⁢ Ω ≤ R 1 ( n - 1 ) 2 ≤ 125 ⁢ Ω . Wherein R1 represents a resistance of the sound wave generator in the direction from the first electrodes to the second electrodes, and n represents a sum of the total number of the first electrodes and the second electrodes.
    • 热声装置包括声波发生器,多个第一电极和多个第二电极。 声波发生器包括碳纳米管结构。 第二电极和第一电极分别连接到声波发生器。 第二电极和第一电极彼此平行并且以均匀间隔交替布置。 施加到第一和第二电极的工作电压小于或等于约50伏特。 声波发生器和第一和第二电极满足公式1&OHgr; ≤R1(n-1)2≤125&OHgr; 。 其中R1表示声波发生器在从第一电极到第二电极的方向上的电阻,n表示第一电极和第二电极的总数。
    • 40. 发明申请
    • Thermoacoustic device
    • 热声装置
    • US20100188935A1
    • 2010-07-29
    • US12661925
    • 2010-03-25
    • Li QianYu-Quan WangChen FengLiang Liu
    • Li QianYu-Quan WangChen FengLiang Liu
    • B06B1/02
    • H04R23/002H04R2201/028H04R2205/021
    • A thermoacoustic device includes a sound wave generator, a number of first electrodes and a number of second electrodes. The sound wave generator includes a carbon nanotube structure. The second electrodes and the first electrodes are separately connected to the sound wave generator. The second electrodes and the first electrodes are parallel to each other and are alternately arranged at uniform intervals. A working voltage applied to the first and second electrodes is less than or equal to about 50 volts. The sound wave generator and the first and second electrodes satisfy a formula of 1  Ω ≤ R 1 ( n - 1 ) 2 ≤ 125  Ω . Wherein R1 represents a resistance of the sound wave generator in the direction from the first electrodes to the second electrodes, and n represents a sum of the total number of the first electrodes and the second electrodes.
    • 热声装置包括声波发生器,多个第一电极和多个第二电极。 声波发生器包括碳纳米管结构。 第二电极和第一电极分别连接到声波发生器。 第二电极和第一电极彼此平行并且以均匀间隔交替布置。 施加到第一和第二电极的工作电压小于或等于约50伏特。 声波发生器和第一和第二电极满足公式1&OHgr; ≤R 1(n-1)2≤125&OHgr; 。 其中R1表示声波发生器在从第一电极到第二电极的方向上的电阻,n表示第一电极和第二电极的总数。