High index ophthalmic glasses
    6.
    发明授权
    High index ophthalmic glasses 失效
    高指数眼镜

    公开(公告)号:US5162826A

    公开(公告)日:1992-11-10

    申请号:US716223

    申请日:1991-06-17

    IPC分类号: C03C3/072 C03C3/108 C03C4/06

    摘要: This invention relates to the production of glasses exhibiting a refractive index between about 1.66-1.81, a softening point between about 625.degree.-675.degree. C., a strain point between about 455.degree.-490.degree. C., a linear coefficeint of thermal expansion (25.degree.-300.degree. C.) between about 53-65.times.10.sup.-7 /.degree.C., and good chemical durability which consist essentially, in weight percent, of:______________________________________ SiO.sub.2 24-42 Li.sub.2 O 0.2 Li.sub.2 O + Na.sub.2 O + K.sub.2 O 0-3.5 Al.sub.2 O.sub.3 3-7.5 Na.sub.2 O 0-2 ZrO.sub.2 0-2.5 B.sub.2 O.sub.3 2-7.5 K.sub.2 O 0-3 TiO.sub.2 0-8 PbO 35-57 La.sub.2 O.sub.3 0-8 La.sub.2 O.sub.3 + ZrO.sub.2 4-12.sub.2 ______________________________________

    Portable device for classification of medical data
    7.
    发明申请
    Portable device for classification of medical data 审中-公开
    用于医疗数据分类的便携式设备

    公开(公告)号:US20080215514A1

    公开(公告)日:2008-09-04

    申请号:US12082518

    申请日:2008-04-10

    申请人: David W. Morgan

    发明人: David W. Morgan

    IPC分类号: G06F15/18

    CPC分类号: G16H50/20

    摘要: A portable device for classification of medical data, the portable device having an artificial neural network and a configuration store having configuration parameter information relating to the artificial neural network, the artificial neural network being configured in accordance with configuration parameter information, the portable device being operable to receive input data, pass the input data to the ANN, and receive an output from the ANN.

    摘要翻译: 一种用于医疗数据分类的便携式设备,具有人造神经网络的便携式设备和具有与人造神经网络相关的配置参数信息的配置存储器,人造神经网络根据配置参数信息配置,便携式设备可操作 接收输入数据,将输入数据传递给ANN,并接收ANN的输出。

    Amber photochromic glasses
    8.
    发明授权
    Amber photochromic glasses 失效
    琥珀色光色眼镜

    公开(公告)号:US5482901A

    公开(公告)日:1996-01-09

    申请号:US275773

    申请日:1994-07-15

    IPC分类号: C03C4/06

    CPC分类号: C03C4/06

    摘要: A surface-reduced photochromic glass containing silver halide crystals, having an original transmittance of 60-75%, a darkened transmittance of less than 30% at 25.degree. C., a faded transmittance equal to the darkened transmittance plus at least 25% and a value of at least 50%, a position in a color mixture diagram between 575 and 585 nm, the glass composition having a Na.sub.2 O content of at least 1% in its surface, or containing as additives 1-6 ppm Pd, or a combination of 2-10 ppm Au and up to 0.9% Er.sub.2 O.sub.3. The glass may be chemically strengthened and generally has a longer dominant wavelength when so treated.

    摘要翻译: 含有卤化银晶体的表面还原光致变色玻璃,其原始透射率为60-75%,在25℃下的透光率变得小于30%,褪色透射率等于透光率增加至少25% 至少50%的值,在575和585nm之间的颜色混合物图中的位置,玻璃组合物的表面具有至少1%的Na 2 O含量,或者含有作为添加剂的1-6ppm Pd,或者 2-10ppm的Au和至多0.9%的Er2O3。 当被处理时,玻璃可以被化学强化并且通常具有更长的主波长。

    Ultraviolet absorbing, fixed tint lenses
    9.
    发明授权
    Ultraviolet absorbing, fixed tint lenses 失效
    紫外吸收,固定色调镜头

    公开(公告)号:US5422755A

    公开(公告)日:1995-06-06

    申请号:US217735

    申请日:1994-03-25

    申请人: David W. Morgan

    发明人: David W. Morgan

    摘要: A transparent, ultraviolet-absorbing, fixed tint glass that is particularly useful in an ophthalmic lens and has a composition, expressed in weight percent on an oxide basis, consisting essentially of______________________________________ SiO.sub.2 65-75 Al.sub.2 O.sub.3 0-2 Na.sub.2 O 5-11 V.sub.2 O.sub.5 1.5-3.5 K.sub.2 O 5-13 MnO.sub.2 1-4 Na.sub.2 O + K.sub.2 O 14-20. ______________________________________

    摘要翻译: 一种透明,紫外线吸收,固定的着色玻璃,其特别可用于眼科镜片,并且具有以氧化物为基准的重量百分数表示的组成,其基本上由-SiO 2 65-75 Al 2 O 3 -0-2 -Na 2 O 5-11 V 2 O 5组成 1.5-3.5-K2O 5-13 MnO2 1-4 -Na2O + K2O 14-20。 -

    Barium borosilicate optical glasses
    10.
    发明授权
    Barium borosilicate optical glasses 失效
    钡硼硅酸盐光学眼镜

    公开(公告)号:US3964918A

    公开(公告)日:1976-06-22

    申请号:US530228

    申请日:1974-12-06

    IPC分类号: C03C3/068 C03C3/00

    CPC分类号: C03C3/068 Y10S501/903

    摘要: A dense barium borosilicate glass is disclosed having a refractive index greater than 1.64 and a dispersive index of at least 53, together with a high degree of chemical durability such that optical blanks molded from the glass can be finished on automatic machinery with minimal danger of staining. The glass consists essentially of 18-30% SiO.sub.2, 8-22% B.sub.2 O.sub.3, 25-48% BaO, 0-10% other divalent metal oxides, 25-45% total divalent metal oxides, 10-30% La.sub.2 O.sub.3, 0-6% ZrO.sub.2 and/or SnO.sub.2, with the mole ratio of BaO:SiO.sub.2 not exceeding 0.6 and preferably not exceeding 0.5.

    摘要翻译: 公开了一种致密的硼硅酸钡玻璃,其折射率大于1.64,分散指数为至少53,并且具有高度的化学耐久性,使得由玻璃成型的光学毛坯可以在具有最小染色危险的自动机器上完成 。 玻璃基本上由18-30%SiO 2,8-22%B 2 O 3,25-48%BaO,0-10%其它二价金属氧化物,25-45%总二价金属氧化物,10-30%La 2 O 3,0-6 %ZrO 2和/或SnO 2,BaO:SiO 2的摩尔比不超过0.6,优选不超过0.5。