Abstract: The present invention provides improved electrochromic layers, which comprise polymeric matrices with electrochromic solutions interspersed therein. Varying an electrical potential difference across a layer of the invention results in reversible variation in the transmittance of light across the layer because of electrochemical processes in the electrochromic solution of the layer. The invention further provides electrochromic devices, in which the electrochromic layers of the invention provide reversibly variable transmittance to light, and various apparatus in which the devices of the invention provide light-filtering or light-color modulation. Such apparatus include windows, including those for use inside and on the outside walls of buildings and in sunroofs for automobiles, and variable reflectance mirrors, especially rearview mirrors for automobiles.

Abstract: The present invention provides electrochromic layers, which comprise polymeric matrices with electrochromic solutions interspersed therein. Varying an electrical potential difference across a layer of the invention results in reversible variation in the transmittance of light across the layer because of electrochemical processes in the electrochromic solution of the layer. The invention further provides electrochromic devices, in which the electrochromic layers of the invention provide reversibly variable transmittance to light, and various apparatus in which the devices of the invention provide light-filtering or light-color modulation. Such apparatus include windows, including those for use inside and on the outside walls of buildings and in sunroofs for automobiles, and variable reflectance mirrors, especially rearview mirrors for automobiles.

Abstract: An imaging system (10) contains a diffractive optic lens (14) which allows for a relatively accurate representation of objects within a field of view. These objects are associated with light rays (20, 22 and 24) which are made to impinge upon the diffractive optic lens (14) and thereafter are made to be received by an imaging surface (12) at a receiving angle which may be determined by the structure of the diffractive optic lens (14). The diffractive optic lens (14) may be placed within the typical dewar (16) of the image acquisition system (10), may be removable deployed over the imaging surface (12), or alternatively, the diffractive optic lens may be etched upon the front side of the imaging surface (12) by the use of standard etching techniques such as lithography, diamond turning and the like.

Abstract: The invention is a removable wheel cover for an in-line-type skate. The cover includes a front boot designed to inwardly receive the skate's front wheel. The cover also includes a rear boot designed to inwardly receive the skate's rear wheel. A pair of flexible, resilient straps connect together the two boots of the cover. When not in use, the cover can be folded into a small volume and easily stored within a user's pocket.

Abstract: A jigsaw type puzzle is held in a frame formed of three laminations held together and comprising a picture border, an intermediate spacer and a backing plate. An aperture defined in the intermediate spacer receives the assembled picture puzzle with edges thereof under a ledge defined by a smaller picture viewing aperture in the border lamination. To permit assembly in place on the frame for viewing, storing and hanging, the puzzle pieces are resilient so they can be bent for insertion of the edges under the ledge, and in one form comprise strips extending across one dimension of the picture viewing aperture, which may be bowed in the middle.

Abstract: A scheduling board providing for the orderly listing of jobs or operations scheduled and/or contracted to be performed and the progress thereof in relation to the time allotted to each for their completion, said board incorporating an elongate, relatively narrow-width slideway extending along one side edge thereof for the reception of a plurality of discrete "day-date" tabs arranged in column formation therein, and further incorporating a wider channel disposed to the side of said slideway adapted to be filled with a multiplicity of transversely extending semi-rigid strips inscribed on their face with job or operation data, the vertical height of each of said strips being a known fraction of the vertical height of the day-date tabs, said column of day-date tabs being slidable upwardly in response to upward push force applied to the lowermost or lower tabs upon each uppermost tab having been removed from the slideway, and said topmost strip(s) being manually liftable from said channel by bowing force applied f

Abstract: A scheduling board providing for the orderly listing of jobs or operations scheduled and/or contracted to be performed and the progress thereof in relation to the time allotted to each for their completion, said board incorporating an elongate, relatively narrow-width slideway extending along one side edge thereof for the reception of a plurality of discrete "day-date" tabs arranged in column formation therein, and further incorporating a wider channel disposed to the side of said slideway adapted to be filled with a multiplicity of transversely extending semi-rigid strips inscribed on their face with job or operation data, the vertical height of each of said strips being a known fraction of the vertical height of the day-date tabs, said column of day-date tabs being slidable upwardly in response to upward push force applied to the lowermost or lower tabs upon each uppermost tab having been removed from the slideway, and said topmost strip(s) being manually liftable from said channel by bowing force applied f