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    • 4. 发明授权
    • Variable focus liquid filled lens mechanism
    • 可变焦注液透镜机构
    • US08087778B2
    • 2012-01-03
    • US12399368
    • 2009-03-06
    • Amitava GuptaKarim HaroudUrban Schnell
    • Amitava GuptaKarim HaroudUrban Schnell
    • G02C7/06G02B3/14
    • G02C7/085G02B3/14
    • A mechanism allows for changing the optical strength of a liquid-filled lens having a cavity filled with fluid. A reservoir contains additional fluid and is in fluid communication with the cavity, and the mechanism draws fluid from the reservoir into the cavity or pulls fluid from the cavity back into the reservoir, whereby a change in the amount of fluid within the lens cavity changes the lens's optical strength. A membrane seals the reservoir, and a plunger impinges upon the membrane. A movement device, such as a barrel screw or lever, moves the plunger in a controlled manner toward the membrane to increase pressure within the reservoir and thereby force fluid out of the reservoir into the lens cavity, and away from the membrane to decrease pressure within the reservoir and thereby withdraw fluid from the lens cavity and into the reservoir.
    • 机构允许改变填充有流体的腔的充满液体的透镜的光学强度。 储存器包含额外的流体并且与空腔流体连通,并且机构将流体从储存器抽入空腔中或将流体从空腔拉回到储存器中,由此透镜腔内的流体的量的改变使得 镜头的光学强度。 膜密封储存器,柱塞冲击膜。 诸如桶形螺杆或杠杆的移动装置以可控的方式将柱塞移动到膜上以增加储存器内的压力,从而将流体从储存器流出到透镜腔中,并且远离膜以降低压力 储存器,从而从透镜腔中抽出流体并进入储存器。
    • 6. 发明授权
    • Fluid lenses, lens blanks, and methods of manufacturing the same
    • 流体镜片,镜片坯料及其制造方法
    • US09535264B2
    • 2017-01-03
    • US13549078
    • 2012-07-13
    • Amitava GuptaUrban Schnell
    • Amitava GuptaUrban Schnell
    • G02C7/08B29D11/00
    • G02C7/085B29D11/00028B29D11/00298B29D11/0073Y10T156/108
    • A lens blank for a fluid lens includes a rigid lens and a semi-flexible inflatable membrane attached to the rigid lens. The lens blank is divided into a cavity zone and a bonded zone. The cavity zone extends radially outward from a central area of the lens blank and a cavity is formed between the membrane and the rigid lens within the cavity zone. The bonded zone extends radially outward from the cavity zone and the membrane is bonded and fluidly sealed to the rigid lens throughout the bonded zone. The bonded zone is dimensioned to be trimmed to accommodate a plurality of frame shapes and sizes. Methods of manufacturing lens blanks are also provided. Arrays of lens blanks and fluid lenses are also provided.
    • 用于流体透镜的透镜毛坯包括刚性透镜和附接到刚性透镜的半柔性可充气膜。 镜片坯料分为空腔区和粘合区。 空腔区域从透镜毛坯的中心区域径向向外延伸,并且在空腔区域内的膜和刚性透镜之间形成空腔。 接合区域从空腔区域径向向外延伸,并且膜粘合并且在整个粘合区域中与刚性透镜流体密封。 接合区的尺寸被设计成被修整以容纳多个框架形状和尺寸。 还提供了制造镜片坯料的方法。 还提供了镜头毛坯和流体镜片的阵列。