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    • 1. 发明公开
    • 음파의 상승 초점 제어를 위한 방법 및 장치
    • 用于高音重点控制声波的方法和装置
    • KR1020090005104A
    • 2009-01-12
    • KR1020087026522
    • 2007-04-27
    • 코닌클리케 필립스 엔.브이.
    • 홀,크리스토퍼,에스.친,치엔,팅수이즈베르,프리크헨드릭스,베르나르더스,에이치.,더블유.구이페르,스테인
    • G03H1/00
    • G10K11/30
    • An acoustic probe (100) includes an acoustic transducer (20) including a plurality of acoustic transducer elements arranged in a one-dimensional array; and a variably-refracting acoustic lens (10) coupled to the acoustic transducer. The variably-refracting acoustic lens has at least a pair of electrodes (150, 160) adapted to adjust the focus of the variably-refracting acoustic lens in response to a selected voltage applied across the electrodes. In one embodiment, the variably-refracting acoustic lens includes a cavity, first and second fluid media (141, 142) disposed within the cavity, and the pair of electrodes. The speed of sound of an acoustic wave in the first fluid medium is different than the speed of sound of the acoustic wave in the second fluid medium. The first and second fluid media are immiscible with respect to each other, and the first fluid medium has a substantially different electrical conductivity than the second fluid medium.
    • 声探针(100)包括声换能器(20),其包括以一维阵列排列的多个声换能器元件; 以及耦合到声换能器的可变折射声透镜(10)。 可变折射声透镜具有至少一对电极(150,160),其适于响应于施加在电极上的选定电压来调节可变折射声透镜的焦点。 在一个实施例中,可变折射声透镜包括空腔,设置在空腔内的第一和第二流体介质(141,142)和一对电极。 第一流体介质中声波的声速不同于第二流体介质中声波的声速。 第一和第二流体介质相对于彼此是不混溶的,并且第一流体介质具有与第二流体介质基本上不同的导电性。
    • 3. 发明公开
    • 가변 초점 렌즈
    • 可变聚焦镜头
    • KR1020070120537A
    • 2007-12-24
    • KR1020077023809
    • 2006-04-20
    • 코닌클리케 필립스 엔.브이.
    • 도브루스킨,크리스토프위캄프,조하너스,더블유.헨드릭스,베르나르더스,에이치.,더블유.
    • G02B3/14G02B3/12G02B7/04G02B26/00
    • G02B26/005G02B3/14
    • Optical apparatus for modifying a radiation beam, the apparatus including a variable focus lens (1) comprising a first fluid (A) and a second fluid (B) wherein the fluids are immiscible and are separated from each other by a fluid meniscus (6; 106; 206; 306) which is configurable into a configuration which is arranged to modify a predetermined vergence of an input radiation beam (15; 32; 33) and a focus control system. The optical apparatus is characterised in that the apparatus comprises a first redirector arranged to redirect the radiation beam, after having passed once through the fluid meniscus, back towards the fluid meniscus, and a second redirector arranged to further redirect the radiation beam, after having passed twice through the meniscus, back towards the fluid meniscus, wherein the configuration is arranged to further modify the vergence of the radiation beam following each of the redirections, the further modifications being arranged to provide the variable focus lens with an amplified focal power.
    • 用于修改辐射束的光学装置,该装置包括包括第一流体(A)和第二流体(B)的可变焦距透镜(1),其中流体是不混溶的,并且通过流体弯液面(6; 106; 206; 306),其可配置成布置成修改输入辐射束(15; 32; 33)和聚焦控制系统的预定聚光度的配置。 该光学装置的特征在于,该装置包括第一重定向器,其布置成在经过一次通过流体弯月面之后重新定向辐射束,朝向流体弯月面;以及第二重定向器,其布置成在已经通过之后进一步重定向辐射束 两次穿过弯液面,朝向流体弯液面,其中该配置被布置成进一步改变每个重定向之后的辐射束的聚光,其中进一步的修改被设置为向可变焦距透镜提供放大的焦点力。
    • 4. 发明公开
    • 가변 리플렉터 장치
    • 可变反射器装置
    • KR1020070099647A
    • 2007-10-09
    • KR1020077018517
    • 2006-01-09
    • 코닌클리케 필립스 엔.브이.
    • 카이퍼,스타인헨드릭스,베르나르더스,에이치.,더블유.왕,링리홀렌,크리스토프,지.,에이.안셈스,요하네스,피.,엠.
    • G02B26/08G02B3/14
    • G02B19/0023G02B3/14G02B19/0061G02B26/005G02B26/0816
    • A variable reflector device, comprising a reflector (6) arranged to direct light from a light source (7) and a casing (5) containing the reflector (6), a portion of said casing (5) being transparent to light directed by the reflector (6). The reflector (6) is formed by a meniscus (2) at an interface between two immiscible fluids (3,4) contained in said casing (5). According to this design, the spatial distribution of light from the light source is changeable by changing the shape of the meniscus between the two fluids. Since a change in shape of the meniscus is effected by a displacement of fluids rather than of mechanical parts, the change in reflector shape can generally be performed faster and with less energy consumption than is the case with previously known designs. Further, a meniscus between two immiscible fluids can, due to the nature of fluids, take on several different shapes, which is not the case when a solid body reflector is utilised.
    • 一种可变反射器装置,包括布置成引导来自光源(7)的光的反射器(6)和包含反射器(6)的壳体(5),所述壳体(5)的一部分对于由 反射器(6)。 反射器(6)由弯液面(2)在容纳在所述壳体(5)中的两个不混溶流体(3,4)之间的界面处形成。 根据该设计,通过改变两种流体之间的弯液面的形状,可以改变来自光源的光的空间分布。 由于弯液面的形状变化是通过流体而不是机械部件的位移来实现的,反射器形状的改变通常可以比先前已知的设计更快地实现更少的能量消耗。 此外,两种不混溶流体之间的弯液面可以由于流体的性质而承受几种不同的形状,这在使用固体反射体时不是这种情况。