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公开(公告)号：US5751273A
公开(公告)日：1998-05-12
申请号：US640330
申请日：1996-04-30
申请人： Allen L. Cohen
发明人： Allen L. Cohen
CPC分类号： G06F3/002
摘要： A computer input device or wand that may be held and controlled by an infant, a toddler, or an adult who cannot use a conventional input device. An elongated handle is provided for gripping and manipulating the input device. The handle may conform to the size of a baby's hand to allow the input device to be securely held by a baby. The input device or wand includes an omnidirectionally responsive transducer for actuating an electrical control signal in response to each unidirectional sweep of the wand in a plane perpendicular to the axis of the handle, thereby allowing the user to control a computer display by shaking the wand in the same manner as a baby might shake a rattle.
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公开(公告)号：US4876121A
公开(公告)日：1989-10-24
申请号：US252262
申请日：1988-09-30
申请人： Allen L. Cohen
发明人： Allen L. Cohen
IPC分类号： A45D31/00
CPC分类号： A45D31/00 , Y10T428/24802
摘要： An artificial fingernail or toenail which can provide the illusion of length, movement, depth and even three-dimensionalism through the use of a moire pattern.
摘要翻译： 人造指甲或脚趾甲，可以通过使用莫尔图案来提供长度，运动，深度甚至三维主义的幻觉。
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公开(公告)号：US4338005A
公开(公告)日：1982-07-06
申请号：US142005
申请日：1980-04-21
申请人： Allen L. Cohen
发明人： Allen L. Cohen
CPC分类号： G02B5/1895 , G02B5/1876
摘要： A phase plate construction suitable for use in optical systems with multifocal requirements. It is designed as a phase plate in order to provide sharp and clear focii with bright images. This is accomplished by adjusting the Fresnel echelettes and the zone plate spacings, of the phase plate, such that the Fresnel lens focii coincide with particular zone plate focii.
摘要翻译： 适用于具有多焦点要求的光学系统的相位板结构。 它被设计为相位板，以便提供具有明亮图像的清晰和清晰的焦点。 这是通过调整菲涅耳小阶梯和相位板的区域板间距来实现的，使得菲涅尔透镜焦点与特定的区域板焦点重合。
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公开(公告)号：US4210391A
公开(公告)日：1980-07-01
申请号：US970751
申请日：1978-12-18
申请人： Allen L. Cohen
发明人： Allen L. Cohen
CPC分类号： G02B5/1895 , G02B5/1876 , G02C2202/16 , G02C2202/20
摘要： A multifocal Fresnel lens construction suitable for use in optical systems with multifocal requirements. It is designed as a multifocal zone plate to allow an annular ring construction that isn't width limited by diffraction aberrations. This is accomplished by modifying the phase separating annular rings of a zone plate, with curved or inclined optical facets of varying refractive indices, which can then function as Fresnel rings corresponding to the different focal powers desired.
摘要翻译： 一种多焦菲尼尔透镜结构，适用于具有多焦点要求的光学系统。 它被设计为多焦点区域板，以允许不受衍射像差限制的环形环结构。 这是通过修改区域板的相分离环形环，具有变化的折射率的弯曲或倾斜的光学小平面来完成的，其然后可以用作对应于所需不同焦点功率的菲涅耳环。
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公开(公告)号：US4162122A
公开(公告)日：1979-07-24
申请号：US833368
申请日：1977-09-14
申请人： Allen L. Cohen
发明人： Allen L. Cohen
CPC分类号： G02B5/1895 , G02B5/1876
摘要： A multifocal lens design suitable for use as an opthalmic contact lens. A zonal bifocal contact lens utilizes the multifocal Fresnel lens designs which have their multifocal property distributed approximately throughout the lens. This is accomplished by a lens construction in which the optical facets are interfaced without any non-refractive ledges or steps occurring between adjacent facets.
摘要翻译： 适合用作眼科隐形眼镜的多焦点镜片设计。 区域双焦隐形眼镜利用多焦点菲涅尔透镜设计，其多焦点性质分布在整个透镜周围。 这是通过一种透镜结构实现的，其中光学平面在没有在相邻面之间出现的任何非折射凸缘或台阶之间进行接合。
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公开(公告)号：US4011010A
公开(公告)日：1977-03-08
申请号：US659092
申请日：1976-02-18
申请人： Allen L. Cohen
发明人： Allen L. Cohen
CPC分类号： A61B3/024
摘要： A multiscale perimeter is a device which has a curved surface for examining the peripheral field of vision, and which has an opening in its central portion to allow view of a surface set at a greater distance from the patient's eye to permit a more magnified examination of the central field of vision.
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公开(公告)号：US5117306A
公开(公告)日：1992-05-26
申请号：US553336
申请日：1990-07-17
申请人： Allen L. Cohen
发明人： Allen L. Cohen
CPC分类号： G02B27/0037 , G02B27/4211 , G02B27/4272 , G02B27/4277 , G02B5/1876 , G02B5/1895
摘要： A diffraction bifocal lens or lens system, comprising two profiled surfaces or interfaces or a linear combination thereof, wherein one profile provides for the bifocality of the lens and the other profile compensates for chromatic aberration. These lenses or lens systems exhibit two focal points, one which exhibits positive chromatic aberration and the other which exhibits negative chromatic aberration.
摘要翻译： 衍射双焦透镜或透镜系统，包括两个成型表面或界面或其线性组合，其中一个轮廓提供透镜的双焦点，另一个轮廓补偿色差。 这些透镜或透镜系统呈现出两个焦点，一个呈现正色差，另一个呈现负色差。
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公开(公告)号：US5056908A
公开(公告)日：1991-10-15
申请号：US438321
申请日：1989-11-20
申请人： Allen L. Cohen
发明人： Allen L. Cohen
CPC分类号： G02B5/1895 , G02B5/1876 , G02C7/04 , G02C7/042 , G02C7/044 , G02C2202/20
摘要： An ophthalmic contact lens with a phase plate and a pure refractive portion within its optic zone. The invention embraces an ophthalmic contact lens of the Cohen lens design with a phase plate and a pure refractive portion within its optic zone.
摘要翻译： 在其光学区域内具有相位板和纯折射部分的眼科隐形眼镜。 本发明包括Cohen透镜设计的眼科隐形眼镜，其相位板和其光学区域内的纯折射部分。
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公开(公告)号：US5054905A
公开(公告)日：1991-10-08
申请号：US438320
申请日：1989-11-20
申请人： Allen L. Cohen
发明人： Allen L. Cohen
CPC分类号： G02B5/1895 , G02B5/1876 , G02C7/042 , G02C7/044 , G02C2202/20
摘要： An ophthalmic lens including a carrier lens having an anterior and a posterior surface. A zone plate is having a plurality of zones is disposed annularly about the optical axis of the carrier lens on at least one of the anterior or posterior sides. Each of the zones of the zone plate is spaced from the optical axis in proportion to the square root of n, where n is the zone number. At least one echelette is disposed in each of the zones, each of the echelettes having a surface through which light propagating along the optical axis traverses. The surface of the echelettes varies in a predetermined manner from the zone nearest the optical axis to the zone furthest from the optical axis so that as the size of the aperture disposed along the optical axis changes, the relative intensity of light diffracted to desired orders changes. A step is provided between each of the echelettes, the height of each step having substantially the same optical path length.
摘要翻译： 一种眼镜，包括具有前表面和后表面的载体透镜。 具有多个区域的区域板在前侧或后侧中的至少一个上围绕载体透镜的光轴环状设置。 区域板的每个区域与光轴成比例地与n的平方根成比例，其中n是区域号。 至少一个小阶梯布置在每个区域中，每个小阶梯具有一个表面，沿着光轴传播的光穿过该表面。 小阶梯的表面以预定的方式从最靠近光轴的区域到距离光轴最远的区域变化，使得随着沿着光轴设置的孔的尺寸改变，衍射到期望的阶数的光的相对强度改变 。 在每个小阶梯之间提供一个步骤，每个步骤的高度具有基本上相同的光程长度。
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公开(公告)号：US5017000A
公开(公告)日：1991-05-21
申请号：US863069
申请日：1986-05-14
申请人： Allen L. Cohen
发明人： Allen L. Cohen
CPC分类号： G02B5/1895 , A61F2/1618 , G02B3/10 , G02B5/1876 , G02C7/042 , G02C7/044 , G02C7/06 , G02C2202/20
摘要： This invention relates to a multifocal optical lens configuration that relies on the phenomenon of simultaneous vision whereby the eye is presented with two clear images at once. In particular this invention allows a lens to be made with arbitrary relative brighnesses between the multiple images.
摘要翻译： 本发明涉及一种依赖于同时视觉现象的多焦点光学透镜配置，其中眼睛同时具有两个清晰的图像。 特别地，本发明允许透镜在多个图像之间具有任意的相对亮度。
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