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| Number | Title | Issue Date |
| 7616390 | Apparatus and method for magnifier and illuminator for reading material Method and apparatus for magnifying and illuminating reading materials through the use of a plurality of magnifying lens which are adjustably placed on posts which are movable above the surface of the reading materials which materials are supported on a desk top or ... | 11/10/2009 |
| 7441355 | Folding trading card with magnifying region A trading card includes a front wall, a back wall, a bottom wall, and a top wall. The front wall retains a viewing lens. The back wall retains an image. The bottom wall extends between the front wall and the back wall. The top wall extends between the front wall and... | 10/28/2008 |
| 7369331 | Fixed focus handy ovulation tester The present invention provides a fixed focus handy ovulation tester, the said ovulation tester comprising an inner casing (1), having a top and a bottom end; a controllable 5 illuminating assembly (2) located inside the inner casing and near the... | 05/06/2008 |
| 7352387 | Camera with positioning device used to capture magnified and demagnified images To provide a camera that is suited to shoot both a demagnified image and a magnified image. The camera includes a housing body 11 containing a CCD 15, and a lens barrel 12. An abutted member 20 having an objective lens 40 th... | 04/01/2008 |
| 7277241 | Machine for optical assistance in reading checks A machine for magnifying a check with a freshnel lens, a front cover and back cover hingably connected, to hold a credit card bill or restaurant check, to hold a credit card, to hold a writing utensil, and to illuminate the credit card bill or restaurant check. ... | 10/02/2007 |
| 7238535 | Test cell for evaluating phosphor An test cell is adapted for both making and testing samples. The cell includes a bottom plate and a top plate having concentric apertures defining a central test cavity. A post attached to the bottom plate closes off the bottom of the test cavity. A slide closes off... | 07/03/2007 |
| 7180248 | Inductively coupled ballast circuit A ballast circuit is disclosed for inductively providing power to a load. The ballast circuit includes an oscillator, a driver, a switching circuit, a resonant tank circuit and a current sensing circuit. The current sensing circuit provides a current feedback signal... | 02/20/2007 |
| 7009762 | Gem microscope having a swivel base and a stationary power cord A gem microscope includes a base structure that supports the microscope stage, focus column, and optical head. The base structure includes a lower component that receives a power cord; the lower component and the power cord remain stationary when the gem microscope ... | 03/07/2006 |
| 6825996 | Sample inspecting casing There is provided a sample inspection casing capable of easily and surely inspecting an object to be inspected. The sample inspection casing 1 includes: a sample mounting table 5 for mounting thereon an object 11 to be inspected; a prism cut por... | 11/30/2004 |
| 6793886 | Device for monitoring fertility in women by observing physical changes in body fluids A kit (11) is described for the detection of characteristics and parameters of body fluids such as saliva, urine and cervical mucus for the purposes of studying and identifying fertility periods in women, comprising a set of flat plate-shaped supports (3 | 09/21/2004 |
| 6504652 | Apparatus and method for laser processing A CO2 laser beam 12 is converted into a beam of uniform intensity at the position of a phase matching element 15 by an intensity converting element 14 and the phase matching element 15. Then, the uniform intensity beam irradiates a mask 17 cont... | 01/07/2003 |
| 6466366 | Microscope with end plate and adapter for viewing multi-fiber connectors The portable microscope includes an end plate and pivotable adapter for improved inspection of multiple fiber optic cables in a single connector. The end plate is mounted on the head unit housing of the microscope. The adapter is mounted on a pivot cylind... | 10/15/2002 |
| 6404565 | Magnifying scope with specimen holders A magnifying scope and accessory holder having a main body having an upper end of reduced dimension for supporting a viewing aperture including an eye cup and window arrangement and a lower portion that includes an open-ended bore occupied by a focus tube... | 06/11/2002 |
| 6381016 | Lead width inspection system and methods A leadframe inspection system, methods, and templates are provided. The leadframe inspection templates include upper and lower specification limits marks that form lead width guides. A user places a leadframe on the template, lines up the leads on the lea... | 04/30/2002 |
| 6099403 | Inspection apparatus for viewing both sides of a plurality of coins in successive fashion An inspection apparatus for viewing both sides of a plurality of coins including a three-dimensional enclosure with a top, a bottom and a plurality of sides in combination defining a hollow interior. A lens is secured within an aperture in the top and pro... | 08/08/2000 |
| 6034826 | Optical instrument for observing surface engravings on optical lenses An optical instrument for facilitating the observation of surface engravings located on an optical lens includes a base housing having a light source therein for illuminating the optical lens. An image contrastor, selected based on the type of lens to be ... | 03/07/2000 |
| 5982533 | Microscope with endplate for viewing surface end of fiber optic cable The portable microscope includes an end plate for improved inspection of the end surface of a fiber optic cable at a connection point in a fiber optic system. The end plate is mounted on the head unit housing of the microscope and includes a tubular apert... | 11/09/1999 |
| 5894346 | Biological testing microscope A portable testing device for examining biological samples in one embodiment comprises a support and a tubular member having a lens holder adjacent one end thereof rotatably mounted on the support. A light source is moveable axially within the tubular mem... | 04/13/1999 |
| 5731893 | Portable microscope for inspecting fiber optic cable The portable microscope includes an end plate with a reflective inner surface for improved inspection of the end surface of a fiber optic cable at a connection point in a fiber optic system. The end plate is mounted on the head unit housing of the microsc... | 03/24/1998 |
| 5572371 | Viewer assemblies and viewable material adapted thereto A magnified viewer capable of viewing an information card or sheet supported on a support base of the viewer. The viewer includes a magnifying lens supported above the support base by means of two oppositely disposed side portions. The side portions are e... | 11/05/1996 |
| 5572370 | Apparatus for determining fertile periods A compact, self-contained, easy-to-use and readily portable apparatus which can be carried in a woman's purse or pocket for determining the period of maximum fertility. The apparatus includes a hollow housing that sealably contains a small magnifying syst... | 11/05/1996 |
| 5510891 | Object characteristic direct measuring device utilizing a magnetically attracted lover base and an upper frame having a scaled lens therein An object characteristic direct measuring device includes a lower base, a first annular magnetic element disposed in the lower base, and a holder member surrounded by the first magnetic element and being mounted by the lower base and adapted to receive an... | 04/23/1996 |
| 5267087 | Diagnostic device for the examination of biological material A portable diagnostic apparatus for the examination of biological material, in particular for the self-examination of a specimen containing substances which differ as a function of ovulation. The housing of the apparatus is designed such that the apparatu... | 11/30/1993 |
| 5172279 | Precision film input gate An elongated enclosure includes a number of apertures through which a film must be precisely viewed. A slider receives a removable film holder into which a film, such as a 35 mm slide is positioned. A precision recirculating bearing assembly provides accu... | 12/15/1992 |
| 5155556 | Hand-held drill bit tester A compact tester for examining the sharpened end of a twist drill bit for geometrical symmetry and angular relations. The tester includes an optical system for examining the sharpened end; a holder adapted to hold bits of various diameters so that their c... | 10/13/1992 |
| 5062697 | Portable microscope apparatus An apparatus including a first and second cylindrical body member separately and coaxially mounted relative to one another with the first body member including a resilient perimeter eye piece mounted about a forward terminal end thereof to permit viewing ... | 11/05/1991 |
| 4737016 | Portable field microscope A field microscope is disclosed herein for hand-held operation having a viewer body including a pair of bores lying on a parallel spaced-apart central axis for fixedly securing an eyepiece viewer with magnifying lens in a selected one of the bores and a s... | 04/12/1988 |
| 4626971 | Illuminated surgical tray apparatus An illuminated surgical tray apparatus for the facilitated viewing and selection of thin fibrous surgical materials, such as sutures and related instruments, during a surgical procedure. The apparatus includes a light source, viewing lens and optically co... | 12/02/1986 |
| 4594788 | Light-tight combination micrographic map-reader protractor compass A movable film cartridge with at least one view superimposed by a protractor image on transparent film is further provided with a compass viewed through a prism at an edge of the field of view of the film containing a map or aerial view image. A double sp... | 06/17/1986 |
| 4506950 | Viewing device The invention is a viewing device suitable as a novelty item or for such other purposes as a teaching or navigational aid. It comprises a compass and in its preferred form has a 360° panoramic photograph wrapped into drum form and affixed to the compass.... | 03/26/1985 |
| 4428648 | Transparency viewing device A transparency viewing device includes a floor supported stand which is vertically adjustable to locate a horizontal arm and a housing thereon at the desired elevation. The housing within which the transparency or color slide is temporarily positioned inc... | 01/31/1984 |
| 4279482 | Illumination of replicas of biological surface tissue A replica of biological surface tissue with negative topography lying on a platform is illuminated by means of light from a light source disposed inside a base on which the platform is mounted. Illuminating light from the source is transmitted to a locati... | 07/21/1981 |
| 4236781 | Illumination system for specimen A bonding apparatus for IC pellets is provided with an illumination system for illuminating the IC pellet and a microscope for observing the IC pellet. The illumination system is of reflected dark field illumination since the circuit pattern and pad for I... | 12/02/1980 |
| 4209226 | Optical viewing instrument including capillary tube and holder An instrument for viewing samples contained in capillary tubes under optical magnification. The sample-containing capillary tube is disposed in a holder within the instrument wherein the sample is illuminated for viewing. The illumination system allows fo... | 06/24/1980 |
| 4192580 | Toy microscope A toy microscope for children comprises a base and a body extending upwardly of the base with a hollow head portion at the upper end of the body. An eye piece is provided at the upper end of the head and is formed in the shape of a cap or hat. Objects to ... | 03/11/1980 |
| 4099881 | Viewer for biological diffusion plate A viewer for observing and measuring the diameter of diffusion rings occurring on immuno-diffusion plates employs a magnifying lens for observing the plate and a baffled back lighting system for illuminating the plate so that light diffused by the plate i... | 07/11/1978 |
| 4099874 | Detecting system A method is disclosed for detecting the formation of or presence of light-interacting domains, e.g. particles or clumps of particles, in a supporting medium which comprises: disposing the supporting medium between a source of multipoint illumination and a... | 07/11/1978 |
| 4071174 | Map holder for automotive vehicle A holder for road maps or the like, viewable by the driver of an automotive vehicle, comprises a two-convolution coil spring whose turns can clamp a paper sheet between them in a generally vertical position, these turns diverging laterally over a fraction... | 01/31/1978 |
| 4047806 | Hand held microfiche viewer The microfiche card has micro images arranged in horizontal rows and vertical columns. The card is inserted into the slots at the fronts of the sides of the housing and can be moved to align the desired column with the lens. The lens is vertically movable... | 09/13/1977 |
| 4030814 | Recipe magnifier and viewer A device for holding, viewing recipes and the like written on cards or other data storing means has a hollow triangular frame, a holder in the front of the frame, a magnifying glass, a stand for holding the data while it is viewed and light means in the f... | 06/21/1977 |
