Abstract: A method, especially applicable on a continuous basis to commercial process streams, for treating unwanted by-products and/or impurities contained in those streams. The method comprises the reaction in situ of such by-products or impurities with a reagent, preferably selected for its reactivity under ambient conditions of the process stream, to produce one or more materials which may then be separated from the process by economical means. The treated stream may be recycled to the process for further processing. While the method is not limited as to the process to which it is applied nor to the reagent or reagents used, in one convenient embodiment, formaldehyde in aqueous solution is reacted with an alkali metal sulfite or bisulfite to produce the corresponding salt, which may then be separated essentially completely by, e.g., distillation or membrane separation, etc., or its concentration in the process may be controlled by, e.g., continuous removal of a purge stream, etc.

Abstract: A cutter blade assembly for cutting a product, such as a carrot, into a plurality of finished end products, such as carrot sticks, comprises a blade holder and a first and second blade group disposed within the blade holder. The blade holder has a longitudinal passage formed therein. The first blade group comprises a plurality of first blades radially disposed about the longitudinal passage for cutting a first group of finished end products from the product as the product is advanced through the longitudinal passage. The second blade group comprises a plurality of second blades radially disposed about the longitudinal passage and angularly displaced with respect to the first blades. The second blades cut a second group of finished end products from the product as the product is further advanced through the longitudinal passage. Since both the first and second blades produce finished end products, the utilization of the product is maximized, and the amount of waste generated from the product is minimized.

Abstract: Documents are advanced to a registered position along the trailing edge of the exposure platen of an electro-photographic copier by a flat belt supported adjacent to the registration edge by a pulley formed with axially spaced indentations to produce corresponding corrugations in the belt. A registration gate having a blocking position in which transversely spaced fingers extend into the belt corrugations arrests the documents at the registration edge while the normal-diameter portions of the belt pulley press the document downwardly to prevent it from riding over the registration gate. Position pulses from an encoding wheel are counted to determine the position of the document, and drive motor is slowed to one-fifth its normal speed when the document advances within a predetermined distance of the registration edge.

Abstract: A four-terminal electrical connector device (40) for testing and measuring unknown resistances of initiators (11) used for starting pyrotechnic events aboard a Space Transportation System. The testing device minimizes contact resistance degradation effects and so improves the reliability of resistance measurement taken with the device. Separate and independent voltage sensing (19) and current supply (20) circuits each includes a pair of socket contacts (13-16) for mating engagement with the pins (17,18) of the initiator. The unknown resistance that is measured by the device is the resistance of the bridgewire (23) of the initiator which is required to be between 0.95 and 1.15 ohms.

Abstract: A sheet feeder transports sheets from a sheet supply, such as a document tray, to a distant location, such as a registration position on the platen of an electrophotographic copier. A sensing device monitors a time period which starts when a sheet advancing mechanism is actuated and ends when a sheet reaches the distant location. An indication of abnormal operation is provided if the sheet does not reach the distant location within a preset time period. The preset time period is initially set at one period of time and subsequently set at a shorter period of time. The initial time period is longer to allow the sheets to become fully engaged with the sheet feeder after initial loading, while the subsequent period is shorter to provide a quicker indication of abnormal operation.

Abstract: An apparatus and method for tinting hydrophilic contact lenses wherein a base having at least one post whose remote end is shaped for receiving and positioning a hydrophilic contact lens, and at least one cap which when placed in communication with the post and the lens masks one or more predetermined areas of the lens, is assembled with a lens positioned on the end of a post which is then capped. The assembly is immersed in a dye bath and then removed therefrom when the lens has attained the desired color, after which the assembly is placed in a fixing solution such that the lens is tinted permanently and fluid transport and oxygen permeability are unaffected.

Abstract: Documents are advanced to a registered position along the trailing edge of the exposure platen of an electrophotographic copier by a flat belt supported adjacent to the registration edge by a pulley formed with axially spaced indentations to produce corresponding corrugations in the belt. A registration gate having a blocking position in which transversely spaced fingers extend into the belt corrugations arrests the documents at the registration edge while the normal-diameter portions of the belt pulley press the document downwardly to prevent it from riding over the registration gate. Position pulses from an encoding wheel are counted to determine the position of the document, and drive motor is slowed to one-fifth its normal speed when the document advances within a predetermined distance of the registration edge.

Abstract: Documents are advanced to a registered position along the trailing edge of the exposure platen of an electrophotographic copier by a flat belt supported adjacent to the registration edge by a pulley formed with axially spaced indentations to produce corresponding corrugations in the belt. A registration gate having a blocking position in which transversely spaced fingers extend into the belt corrugations arrest the documents at the registration edge while the normal-diameter portions of the belt pulley press the document downwardly to prevent it from riding over the registration gate. Position pulses from an encoding wheel are counted to determine the position of the document, and drive motor is slowed to one-fifth its normal speed when the document advances within a predetermined distance of the registration edge.

Abstract: In a liquid crystal image display system, a fiber optic faceplate which transmits light only through a well defined acceptance cone is optically coupled to the liquid crystal display surface of a reflective dynamic scattering mode liquid crystal display device.In an image projector embodiment, light from an external light source is directed through the faceplate onto the liquid crystal display surface. Light scattered by activated (on-state) regions of the liquid crystal is substantially absorbed by the faceplate while light reflected from the non-activated (off-state) regions of the display surface is transmitted back through the faceplate to a projection lens which forms an image on a viewing screen.In a second embodiment of the invention, a viewer directly observes the liquid crystal display surface under ambient light from either natural or artificial light sources.

Abstract: In an electro-optical display device, a fiber optic faceplate which transmits light only through a well-defined solid angle, is optically coupled to an electro-optical display panel having a specularly reflecting surface. The display panel can be either an active device, such as laser diodes, or passive such as a dynamic scattering liquid crystal device. The axes of the optical fibers comprising the faceplate are slanted to the display surface at an angle such that the light which enters the front surface of the faceplate and is specularly reflected from the display surface is trapped within the faceplate. However, light emitted or scattered from on-state display elements is transmitted through the faceplate to the viewer.A high contrast display results because off-state display elements on the display surface appear dark under even intense ambient illumination whereas the on-state elements appear bright.

Abstract: An electrical wiring device comprising an insulated flat cable having a plurality of parallel electrical conductors disposed in a plane and encased in a flexible insulation with at least one connector assembly permanently attached for plug-in service is provided. Also provided is a method of making the device in which insulation-piercing interconnecting elements are passed through the insulation, have a tight bight of conductor formed outside the insulation and are permanently bonded to tines in each interconnecting element, and the associated parts are enclosed in a dielectric housing.

Abstract: A liquid crystal field sequential color display is formed by presenting three monochromatic images corresponding to the three primary colors, that is, red, green and blue, consecutively in a repetitive sequence and at a rate greater than the flicker fusion frequency for human vision. Each field contains a monochromatic image showing how the intensity of the primary color to which it corresponds varies over the entire image area. The black and white imaging techniques typically used for forming the intensity pattern for each field are transformed into the required sequential monochromatic image patterns through the use of colored filters in one embodiment or colored light in another embodiment. The novel result is obtained by the combining of flat panel liquid crystal display technology with color display technology. This invention disclosure shows a practical method for combining these techniques into a device that will form a full color image.

Abstract: A solid state dot sequential color display device is disclosed. A color image is formed in a liquid crystal display panel by breaking each picture element up into its three primary color components and presenting them in an adjacent manner. The space occupied by a trio of primary color elements is smaller than the resolving power of the human eye. Techniques of large scale integration (LSI) are employed to effect the required addressing circuitry as applied to a matrix array of triads of reflective electrodes in the dynamic scattering liquid crystal display panel. Arrangements used to form the basic color cells involved are: (a) deposition of band-pass filters in front of the display and (b) deposition of band reflection mirror in back of the liquid crystal material.