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    • 6. 发明授权
    • Battery cover latch mechanism and portable electronic device using the same
    • 电池盖闩锁机构和使用其的便携式电子设备
    • US08257851B2
    • 2012-09-04
    • US12574971
    • 2009-10-07
    • Liu Tang
    • Liu Tang
    • H01M2/10
    • H01M2/1022H04M1/0262
    • A battery cover latch mechanism includes a housing, a battery cover, and a latching part. The housing includes a clasp positioned thereon. The battery cover includes a guiding portion and a resisting block facing the guiding portion. The latching part includes a button and a resilient bar assembled on the battery cover. The button includes a hook resisting the resisting block. The button slidably and releasably latches to the clasp to lock the battery cover to the housing or release the battery cover from the housing. The invention also discloses a portable electronic device using the battery cover latch mechanism.
    • 电池盖闩锁机构包括壳体,电池盖和闩锁部分。 壳体包括定位在其上的扣环。 电池盖包括引导部分和面向引导部分的抵抗块。 闩锁部分包括组合在电池盖上的按钮和弹性杆。 按钮包括抵抗阻力块的钩子。 该按钮可滑动地并且可释放地锁定到扣环上,以将电池盖锁定到壳体上或者从壳体释放电池盖。 本发明还公开了一种使用电池盖闩锁机构的便携式电子装置。
    • 7. 发明申请
    • Laser level
    • 激光水平
    • US20050252014A1
    • 2005-11-17
    • US11028565
    • 2005-01-05
    • Fang HongChen YeChen YeLiu Tang
    • Fang HongChen YeChen YeLiu Tang
    • G01C15/00
    • G01C15/004
    • An optical system for a laser level is described. The laser level comprises at least two optical systems which are parallel to and oppositely adjoin to each other in a same plane. Each optical system comprises a laser light source, a regular lens, a diffusion lens, a beam-splitting element, and an outer casing as well as the regular lens and the diffusion lens are located between the laser light source and the beam-splitting element. For the optical system of the laser level, the laser beam is sequentially regularized, diffused and split into a fan-shaped light beam with an angle greater than 180 degrees to ensure that the light beams from the optical systems are spread in the same plane. Thus, the laser level generates a disk-shaped light beam with 360 degrees to indicate a circular mark in the same plane.
    • 描述了用于激光水平的光学系统。 激光水平包括至少两个光学系统,它们在相同的平面中彼此平行并相互邻接。 每个光学系统包括激光源,普通透镜,扩散透镜,分束元件和外壳,以及普通透镜和漫射透镜位于激光光源和分束元件之间 。 对于激光水平的光学系统,激光束依次正规化,扩散并分裂成角度大于180度的扇形光束,以确保来自光学系统的光束在同一平面上扩展。 因此,激光水平产生具有360度的盘形光束以在同一平面中指示圆形标记。