Did You Know...
...that to encourage use of his new invention, the shopping cart, market owner Sylvan Goldman hired fake shoppers to push the carts around his store in Oklahoma City? Seems his customers were reluctant to give up their hand-carried baskets.
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| Number | Title | Issue Date |
| 7535567 | Nozzle sorting apparatus and method A sorting apparatus includes a nozzle, a light source, and a light receiver. The nozzle is positioned with respect to the light source and the light receiver such that light from the light source travels through holes defined by the nozzle and onto the light receive... | 05/19/2009 |
| 7378643 | Optical projection encoder with patterned mask An Optical Projecting Encoder (“OPE”) having an emitter module for transmitting emitted optical radiation through a mask to a moving object, and a detector module for receiving reflected optical radiation from the moving object. The reflected optical radiation f... | 05/27/2008 |
| 7365862 | Methods and apparatus for inspecting an object A method for generating a mask for use with a light measurement system that includes a light source for projecting light onto an object, and an imaging sensor for receiving light reflected from the object. The method includes determining a profile of the object to b... | 04/29/2008 |
| 7306341 | Multi-projector geometric calibration In one aspect, a first sequence of patterns of light symbols that spatio-temporally encode two-dimensional position information in a first projection plane is projected onto a scene. A second sequence of patterns of light symbols that spatio-temporally encode two-di... | 12/11/2007 |
| 7289655 | Device for inspecting illumination optical device and method for inspecting illumination optical device The invention provides a device to inspect an illumination optical device and a method to inspect an illumination optical device that make it possible to efficiently inspect illumination optical devices and to control manufacturing cost. A lens array inspecting devi... | 10/30/2007 |
| 7281319 | Apparatus for manufacturing wire wound filter screens An apparatus for manufacturing a wire wound filter screen from wrapping wrap wire over a set of rib wires has a frame, a spindle for supporting the rib wires in a longitudinal orientation, a wire guide for delivering wrap wire around the rib wires as the spindle rot... | 10/16/2007 |
| 7027144 | Fluid dispenser and lens inspection device A fluid dispenser dispenses a fluid alternately from one of a pair of ports (29,31) that are provided on opposite ends of a syringe (26) by moving a piston (42) back and forth inside the syringe. A pair of stirrers (47,48) are provided in... | 04/11/2006 |
| 6381013 | Test slide for microscopes and method for the production of such a slide A test slide for the calibration, characterization, standardization, use and study of photon and electron microscopes. The slide is created by forming patterns with specific types of geometries on suitable substrates and these slides provide a standard fo... | 04/30/2002 |
| 6289107 | Apparatus and method of measuring human extremities using peripheral illumination techniques A device and method is provided for quickly and accurately determining the size and shape of a human extremity such as a foot by projecting light around a periphery of the extremity and capturing an image of the illuminated foot through a transparent plat... | 09/11/2001 |
| 6122065 | Apparatus and method for detecting surface defects Apparatus and method for detecting surface defects on an article freely standing on a conveyer, which generate profile trace data corresponding to profile trace at a cross-section of the article. A surface shape inspection unit comprising an optical rangi... | 09/19/2000 |
| 5993009 | Multiple magnification contour projector Several different magnification lenses are adjustably mounted in a contour projector housing for movement selectively and one by one into operative registry with an entrance lens that faces a workpiece that is to be inspected. Spaced illuminators in the h... | 11/30/1999 |
| 5886788 | Apparatus and method for detecting a posture This invention provides a posture detecting apparatus capable of quickly determining, without depending on any complicated signal processing, which one of a plurality of reference postures a given human posture coincides with, or that it coincides with no... | 03/23/1999 |
| 5576832 | Optical measuring apparatus and measuring method of the same An optical measuring apparatus and a method of the same wherein any two points, inside and outside of an optical picture image of a measuring object mounted on the table and projected by an optical system, are designated on a screen by a cursor and then t... | 11/19/1996 |
| 5402192 | Simplified mirror system for contour projector The contour image of a workpiece is projected by a conventional lens system onto a first mirror lying in a plane inclined at other than 90° to the optical axis of the lens system. This image is reflected directly (i.e., without the use of any relay lense... | 03/28/1995 |
| 5402193 | Method and means for projecting images in a contour projector A workpiece is mounted in a contour projector machine so that at least one of two opposed sides thereof can be observed by the operator. The side observed by the operator is illuminated by a surface illuminator, and an image thereof is projected onto the ... | 03/28/1995 |
| 5355704 | Method and arrangement for adjusting of three rollers or guiding rolls which together form a caliber opening For adjusting of three caliber opening rollers or guiding rolls, a light source is arranged on the one side of the roller or guiding roll, a device is located at another side of the roller or the guiding roll and receives a shadow image of a caliber conto... | 10/18/1994 |
| 5218481 | Optical inspection apparatus An optical projection system for projecting a magnified image of an object includes a 1:2 relay lens having a magnification of ×0.5. The object is illuminated by a collimated substantially parallel light beam from a source and the 1:2 relay lens produces... | 06/08/1993 |
| 5104226 | Device for evaluating wrinkles in a double rolled seam A seam projector has a seam holding device attached to the base portion of the seam projector. The seam holding device has a lever arm which is pivotally attached to the base portion of the seam projector. The seam holding device has a seam guide attached... | 04/14/1992 |
| 5079937 | Controllable conveyor arrangement for cooling rolled wire An arrangement for cooling in a controlled manner a rolled wire from rolling temperatures. The arrangement includes a cooling unit arranged following a finishing stand, a coiling unit for the wire and a cooling and conveying system for the spread-out wire... | 01/14/1992 |
| 5052797 | Copy viewer A copy viewer having a support stand for holding material to be copied in a viewing position and a "see-through" display device for displaying copied material directly over the material to be copied.... | 10/01/1991 |
| 4960332 | Apparatus for geometrical testing of spherical bodies, in particular steel balls An apparatus for the testing of spheres for geometric exactness, which comprises a light source, a projectable image within or outside of said light source, optical means for simultaneously directing light in two different directions wherein one of said d... | 10/02/1990 |
| 4787739 | Range finder A range finder for optically or electronically measuring distance from an object by comparison of a known curvilinear form or spectrum of points with the object being measured. The range finder, whether optical or electronic, is provided with different si... | 11/29/1988 |
| 4758729 | Apparatus and method for measuring the included angle of a reflective cone An apparatus and method are provided for measuring the included angle of a reflective cone between opposite sides of the reflective cone. The apparatus includes means for illuminating the curved surface of the reflective cone with a collimated beam of lig... | 07/19/1988 |
| 4673294 | Film thickness measuring apparatus employing microprojector of spectral reflection measurement A film thickness measuring apparatus comprising an optical measuring system and an optical projecting system is disclosed. The conventional optical measuring system includes a light source, a first optical system, a monochromator, a second optical system ... | 06/16/1987 |
| 4571084 | Tube end squareness projector apparatus An optical inspection device for measuring the squareness of tube cuts. The optical inspection apparatus includes a tube guide for permitting rotation of the tube whereby its end wall thickness is positioned in the path of a light beam whose output end is... | 02/18/1986 |
| 4529344 | Setting device for cutter heads To set the proper location of a cutting bit, an optical scanner directs an optical beam toward a screen. The scanner is mounted on a base frame. The cutting bit is mounted on a cutting head holder which is, in turn, mounted on a support stage, the latter ... | 07/16/1985 |
| 4430695 | Visual landing aids for aircraft Apparatus for aligning an aircraft landing aid projector of the type which comprises a light source located at the focus of a parabolic reflector, a lens mounted coaxially with the parabolic reflector and a filter disposed intermediate the reflector and l... | 02/07/1984 |
| 4412961 | Method and apparatus for measurement and control of cell size in a foam structure A method and apparatus for monitoring the average cell size of a plastic foam structure continuously emerging from a production extrusion source which include means and process steps for magnifying an image of an area of a cross-section of said foam struc... | 11/01/1983 |
| 4341469 | Laser shadowgraph Apparatus for producing a shadowgraph image of a transparent part to be examined, such as part of a video disc. The apparatus includes a source of coherent light, and an objective lens system for focusing the coherent light to produce a divergent beam, a ... | 07/27/1982 |
| 4223986 | Surface illuminator The light source comprises an elongate arc lamp surrounded by a paraboloidal reflector which, in one embodiment, projects an annular beam of light onto an annular reflector, or mirror, which in turn projects the light onto a workpiece. Reflected light fro... | 09/23/1980 |
| 4147433 | Contour inspection A method and apparatus for inspecting the contour of an article is disclosed. Nondestructive viewing techniques including the projection of a light pattern onto the article to be inspected and the imaging of said light pattern to a display screen are disc... | 04/03/1979 |
| 4099880 | Method and an apparatus for stereoscopic measurement utilizing a three-dimensional image A method and apparatus for stereoscopic measurement of an actual value of depth in a subject through its three-dimensional image obtained from two stereoscopically photographed films by utilizing three factors, that is, the center of optical axis of an X-... | 07/11/1978 |
| 3966331 | Coordinate detecting apparatus for optical projectors A coordinate detecting apparatus for detecting a coordinate position on a screen of an optical projector. The coordinate detecting apparatus includes coding means for spacially modulating, when actuated, a picture image on the screen of the optical projec... | 06/29/1976 |
