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...that the first rickshaw was invented in 1869 by an American Baptist minister, the Rev. E. Jonathan Scobie, to transport his invalid wife around the streets of Yokohama?
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| Number | Title | Issue Date |
| 5229888 | Reflection aid The invention relates to a reflection aid (1) intended to increase the ability of users to see, without the inconvenience of spectacles, for example when applying a make-up, which comprises an optical lens (3) capable of attachment to a mirror (4) of the ... | 07/20/1993 |
| 5227917 | Lens and method for producing the same A lens is manufactured by preparing a glass material, preparing a molding apparatus for pressmolding the glass material into a lens shape, preheating the glass material or heating the glass material in the molding apparatus to soften the glass material an... | 07/13/1993 |
| 5225939 | Lens barrel with integrally formed zoom operation tube and cam tube A lens barrel comprises a lens for zooming and a moving mechanism for moving the lens in the direction of an optical axis. The moving mechanism includes a zoom operation tube for performing a zooming operation and a cam tube disposed inside the zoom opera... | 07/06/1993 |
| 5220459 | Optical disk driving with inertial damping spring supporting lens holder An optical disc driving device for use in an optical disc apparatus is equipped with an objective lens, a lens holder for holding this lens, and upper and lower support springs for supporting the lens holder. Each support spring consists of a pair of cond... | 06/15/1993 |
| 5204775 | Device for magnifying indicia printed on a container A device for magnifying indicia printed on a container is provided. The device is designed to be releasably mounted to a prescription vial or other medication container to permit visually impaired individuals to read easily the label information relating ... | 04/20/1993 |
| 5204783 | Focusing apparatus for a folded collimating lens in an X-ray imaging system A focusing apparatus is provided for facilitating the adjustment of the focus for a fixed optics, folded collimating lens in an X-ray imaging system. An idler member is gear driven by an adjustment knob, and is threaded to receive a mating threaded portio... | 04/20/1993 |
| 5194992 | Lens mount assembly The invention relates to a lens mount assembly used for various kinds of optical apparatus such as photographic camera, motion picture handy camera and video camera, characterized in that the stationary sleeve which has usually been employed to support th... | 03/16/1993 |
| 5191481 | Lens installation in an optical device A lens unit having a hollow holder and a lens member coupled in the hollow holder in which the lens member has an outer surrounding wall portion integrally formed with the lens member, the outer surrounding wall portion extending along an axis of the lens... | 03/02/1993 |
| 5161061 | Compound aspherical lens A compound aspherical lens comprising: a hard lens; a soft lens laminated to the hard lens in a direction of the optical axis; and a lens supporting surface formed around the effective diameter of the hard lens and exposed in the direction of the optical ... | 11/03/1992 |
| 5157430 | Supporting apparatus of optical element A supporting apparatus for an optical element includes a supporting frame which is adapted to support the optical element. The optical element is provided with at least one elastic engaging portion integral therewith. The supporting frame is provided with... | 10/20/1992 |
| 5128808 | Turret condenser for microscopes A turret condenser for microscopes is equipped with two turrets which are capable of interposing combinations of numerous types of optical elements on the optical axis and rotatably arranged in overlapped positions in the vicinity of the pupil of a conden... | 07/07/1992 |
| 5119239 | Magnifier apparatus and method for hand held video display A magnifier apparatus for use with a hand-held video display apparatus which magnifier apparatus has a frame with a magnifier lens, the frame secured to a support, the support releasably adapted to be secured in a snap-in relationship to the sides of the ... | 06/02/1992 |
| 5115333 | Variable laser beam attenuator An attenuator for varying the power of a laser scanning light beam includes a bracket having a reduced portion intermediate its ends enabling one end to be rotated around its other end. A glass element is secured to the movable end and is moved to a posit... | 05/19/1992 |
| 5113289 | Shelf-mounted magnifying glass Disclosed is a magnifying glass slideably mounted underneath a shelf. The intended environment of use of the present invention is a supermarket or other store having shelves supporting various articles of merchandise. When the print on a container of merc... | 05/12/1992 |
| 5103438 | Optical pickup device having yoke with a central U-shaped base and inverted U-shaped portions connected thereto An optical pickup device for applying controlled light to a track of an optical disc. Light orientation is controlled by changing the angular orientation of an objective lens mounted on a holder. The holder is disposed above an actuator base and is suppor... | 04/07/1992 |
| 5076665 | Computer screen monitor optic relief device An adjustable Pd lens frame carries a pair of prism lenses is adjustably positioned to a normal stationary position with respect to a computer monitor screen. The lenses provide "base in" for each eye and plus optical power to reduce both accommodative de... | 12/31/1991 |
| 5035487 | Method and apparatus for releasably mounting an optical device A method and apparatus for releasably mounting an optical device on a support member in a rapid, repeatable and precise manner is provided. The mounting system is especially suitable for releasably mounting an optical device such as a sighting scope on a ... | 07/30/1991 |
| 5028135 | Combined high spatial resolution and high total intensity selection optical train for laser spectroscopy An improved method of collecting quasi-elastic light scattering (also known as QELS) data and time-average intensity simultaneously is disclosed, as is a novel apparatus therefor. The apparatus utilizes a pair of matched novel optical elements that elimin... | 07/02/1991 |
| 4962999 | Optical pick-up device An optical pick-up device is disclosed, in which a bearing member for moving it along a guiding shaft is disposed separately and independently from a base plate and the bearing member can be mounted selectively on one side surface or the rear surface of t... | 10/16/1990 |
| 4944574 | Stand magnifier and lens The invention discloses a bi-convex lens having aspheric surfaces, each of substantially identical curvature. The lens may be used in a stand magnifier which comprises a stand adapted to be supported on a surface and to which is attached or attachable suc... | 07/31/1990 |
| 4930871 | Needle threader A needle threader for facilitating the insertion of an end of a thread in the eye of a needle. In one embodiment the threader has a magnifying lens mounted in a holder which is secured to a flexible mount having a ring portion for a person's finger and a ... | 06/05/1990 |
| 4884872 | Lens structure for a combined radio/audio tape cassette player or the like A lens structure for a combined vehicle radio/audio tape cassette player or the like to permit display of information generated by the combined vehicle radio/audio tape cassette player is provided. The lens structure has a transparent forward panel and an... | 12/05/1989 |
| 4738512 | Cylindrical mounting with clearance-free fit The clearance-free fit for cylindrical mountings, in particular photographic lenses, is produced by recesses in the inner wall of a main mounting and projections in the outer wall of an individual mounting, to be fastened in the main mounting by inserting... | 04/19/1988 |
| 4737017 | Optical element holding mechanism and method of manufacturing the same A holding mechanism for holding an optical element comprises a holding frame and a retaining member. The holding frame includes first and second positioning portions. The optical element is positioned in one direction along parallel to the optical axis by... | 04/12/1988 |
| 4712870 | Fresnell lens and filter for use with computers and the like A Fresnell lens and filter are disposed in a frame adjustably pivotally attached to a bar extending from a cabinet having a viewing screen for a computer, e.g. The bar is movable to adjust the distance of the lens from the screen and the height of the len... | 12/15/1987 |
| 4662735 | Plastic lens elements supporting structure In a focus detection of a camera a pair of imaging lens elements are formed of a transparent plastic material as a part of a plastic plate. A supporting structure for support of the lens elements is provided with a pair of bosses projecting from a base bo... | 05/05/1987 |
| 4662717 | Lens and lens holding devices A lens and a lens holding device make it possible to construct a compound lens or to secure a lens to a lens barrel by providing protrusions and/or depressions on a joint surface or surfaces of a lens and/or a lens contact surface of a lens barrel and int... | 05/05/1987 |
| 4655548 | Multi-degree of freedom mount The specification discloses a mount for an optical device having 6 degrees of freedom; three translations along the x, y and z axes and three pivotal or rotational movements about each of the axes. The mount is particularly useful in mounting scanning cam... | 04/07/1987 |
| 4190322 | Magnifying means A magnifying apparatus comprising a pair of mutually adjustable complementary magnifying elements wherein one of the elements is an elongated member having one flat surface and one transversely arcuate surface, and the other element is of a circular confi... | 02/26/1980 |
| 4137863 | Reading instrument A reading instrument for magnifying certain chosen printed material on a page or sheet of paper and for visually isolating the chosen material from other, adjacent printed material, the instrument including an opaque plate that is provided with a slot, an... | 02/06/1979 |
| 4072428 | Inspecting and measuring of soft contact lenses A series of units for manual use or for use in combination with a standard lensometer for evaluating the parameters of soft or flexible contact lenses. The units comprise convexly disposed hemispheres of graduated diameters comprising rigid or semi-rigid ... | 02/07/1978 |
