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| Number | Title | Issue Date |
| 7245361 | Method for evaluating refractive index homogeneity of optical member A method for evaluating the refractive index homogeneity of an optical member includes passing light through an optical member (1) used for photolithography. The side surface (1a) with respect to the optical axis (AX) of the optical member (1... | 07/17/2007 |
| 7161747 | One piece clear plastic cardholder, cardholder shaped fresnel magnifying lens and method of making the same Disclosed is a cardholder with dimensions approximating a standardized card carried by a person, the cardholder being made of a one-piece clear plastic material and may contain a viewing portion having fresnel contour lines and at least a pair of folded edges which ... | 01/09/2007 |
| 7038977 | Optical pickup actuator An optical pickup actuator includes a base having a holder installed at one side thereof, a moving portion in which an objective lens is installed at the periphery thereof and a guide hole is formed, a bobbin coupled to the guide hole, a magnetic driving portion pro... | 05/02/2006 |
| 6922294 | Optical communication assembly An optical assembly comprising an optical cube. A first optical transmitter chip and a first optical receiver chip are mounted on one surface of the optical cube. A first continuous printed circuit board is soldered to electrical surfaces of the first optical transm... | 07/26/2005 |
| 6829107 | Device for mounting an optical element, for example a lens element in a lens A device for mounting an optical element (1), for example for a lens element in a lens, especially in an exposure lens (2) in micro lithography, is provided with the following features: the optical element (1) is provided in its edge zone... | 12/07/2004 |
| 6641878 | Optical pickup device holding container An optical pickup device-holding container, which is formed from a resin composition comprising a poly(arylene sulfide) (A) and an inorganic filler (B) and having a thermal conductivity of at least 1 W/mK; and an optical pickup device in which at least a ... | 11/04/2003 |
| 6384990 | Two position optical element actuator device The present invention is a two position optical element actuator device utilizing a powered means to hold an actuation arm, to which an optical element is attached, in a first position. A non-powered means drives the actuation arm to a second position, wh... | 05/07/2002 |
| 6381080 | Bi-stable optical element actuator device The present invention is a bistable optical element actuator device utilizing a powered means to move an actuation arm, to which an optical element is attached, between two stable positions. A non-powered means holds the actuation arm in either of the two... | 04/30/2002 |
| 6361165 | Flyglasses Flyglasses having two lenses, at least one of which is faceted and both of which are held in a mount that is preferably flat. The mount can be in the form of a so-called lorgnette having a handle made in the form of a small board which is especially suite... | 03/26/2002 |
| 6341104 | Optical pickup apparatus of tilt control type An optical pickup apparatus suited for reducing the size and thickness and capable of performing a tilt control of an objective lens with ease, and an optical disk apparatus. The optical pickup apparatus comprises: an objective lens for focusing a beam em... | 01/22/2002 |
| 6144506 | Bi-stable optical actuator The present invention is a bi-stable optical actuator device that is depowered in both stable positions. A bearing is used to transfer motion and smoothly transition from one state to another. The optical actuator device may be maintained in a stable posi... | 11/07/2000 |
| 5196964 | Magnifier A magnifier for observing a surface includes a housing, a detachable window attachment coupled to a first end of the housing and an eyepiece coupled to a second end of the housing. A light source attachment is coupled to the housing for supplying light to... | 03/23/1993 |
| 5166823 | Telescope having a removable holding ring assembly A telescope housing has a removable finger accommodating ring secured thereto. The ring is coupled to the housing by a post having left and right flanges with upstanding distal ends opposedly projecting from one end of the post to be inserted into an aper... | 11/24/1992 |
| 4946257 | Telescope having a removable holding ring assembly A telescope housing has a removable finger accommodating ring secured thereto. The ring is coupled to the housing by a V-shaped spring member which is inserted into a channel member located on the telescope housing. In this manner, various telescope assem... | 08/07/1990 |
| 4703964 | Tinted contact lens fitter Tinted contact lens fitter having a scissors type support to vary the spacing between pairs of tinted contact lenses mounted in rotatable discs, or in plug-in lens holders, or directly in openings in the support, so that the centers of the tinted contact ... | 11/03/1987 |
| 4380790 | Multi-function light device A multi-function light device includes a base having two opposed main surfaces and an aperture extending through the main surfaces. A first magnifying lens is mounted on the base and aligned with the aperture to enable magnified viewing through the base m... | 04/19/1983 |
| 4215890 | Lens holder This is a holder for glass or plastic lenses of varying sizes and shapes used to facilitate their handling. A lens is removably held within a flexible loop with an inner groove which receives the edge of the lens. The ends of the loop are fastened to each... | 08/05/1980 |
| 4063263 | Manually operated shutter attachment A manually operated shutter attachment includes a pair of plate members each having an aperture therethrough secured in spaced parallel relationship with the apertures aligned. A blade member having a body portion and handle portion is pivotably mounted i... | 12/13/1977 |
