Abstract: A wide bandwidth analog-to-digital converter and method. The input analog signal is supplied to a plurality (N) of parallel channels, each of which includes a modulator for modulating the incoming analog signal in each channel with a different time phased sampling signal. A filter having bandwidths which reject the sum product of the modulator and all frequencies above a predetermined level and passes the filtered signal directly to an analog-to-digital converter and a sampling signal supplied to these converters are at a rate which is predetermined fraction (depending on the number of channels) of the normal rate.

Abstract: A display unit capable of being both vertically and horizontally arranged to achieve a wide variety of modular configurations comprising a plurality of substantially similar shelf members, a plurality of elongated support members, a plurality of socket cavities associated with the upper and lower portions of each of the shelf members for cooperatively engaging and supporting the elongated support members in a substantially upright position relative to each shelf member, and a plurality of connector members for joining two of the shelf members in side-by-side relationship one adjacent the other, each of the connector members having a pair of socket cavities associated with one end portion thereof for cooperatively engaging any one of the plurality of socket cavities associated with the upper and lower shelf portions and a single socket cavity associated with the opposite end portion thereof for cooperatively engaging one end portion of each of the elongated support members, the elongated support members and th

Abstract: A sweep frequency, continuous wave (CW) radar tank gauge (3) providing measurement of the level of tank contents or ullage (19), having greatly improved accuracy through improved methods of processing calibrate and return signals directed toward the surface of tank contents (20). Use of sweep synchronous measurement (46) of time domain calibrate/return difference signals (42) and time domain of a virtual "carrier" fundamental in the frequency domain, provide highly accurate measure of tank signal return times. The entire range of return signals is made available for processing and analysis (5), including distinguishable tank bottom reflections.

Abstract: An improved chain drive (13 or 109) live roller (12 or 101) conveyor apparatus (10 or 100) with belts (21 or 110) which are easily replaced is described. The apparatus has a drive wheel (25 or 105) mounted around a shaft (27 or 107 ) projecting from a frame (11 or 116) adjacent to the sprocket which may be permanently or intermittently driven by the sprocket. Various apparatus are described for providing accumulation by disengaging the sprocket wheel from the drive wheel and thus stopping the rotation of the rollers. The apparatus are relatively simple and inexpensive to construct and provides quiet operation.

Abstract: A bulk packaging and display system for holding, storing, transporting, displaying and merchandising product containers in a pre-stacked arrangement thereon comprising a base member having means thereon to locate and support a stack of product containers and a plurality of shelf members each adapted to rest upon respective layers of the product containers, said shelf members having upper and/or lower surfaces shaped to engage the product containers adjacent thereto, a relatively rigid member positioned forming the top of the display, and means binding the base member and top member with the layers of product containers positioned therebetween into a sturdy assembly suitable for moving, storing, transporting and displaying.

Abstract: An adjustable shelf unit adaptable to be supported on a support structure including frangible side and rear portions which can be easily detachably removed therefrom for adjusting both the depth and/or width of the unit to facilitate use on existing shelf structures having varying depths and widths. Removal of one or both of the frangible side portions provides shelf width adjustment whereas removal of the frangible rear portion provides shelf depth adjustment. The present shelf units are specifically designed for use both as a single shelf unit to more effectively organize and merchandise products therefrom and are likewise particularly adapted to be arranged in spaced apart relationship one above the other to form a two-tier product merchandising display system, which two-tier arrangement effectively doubles the avilable shelf capacity.

Abstract: A modular display unit for vertically stackably arranging products in inclined gravity feed orientation including a plurality of shelf members having a planar floor portion and a plurality of stacking/socket members located at spaced locations adjacent the opposed side portions thereof, the stacking/socket members being arranged in opposed relationship to the floor portion of each of the shelf members and each having a locating surface oriented at the same acute angle relative to the plane of the respective floor portions, a plurality of elongated support members each having opposed end portions adapted to cooperatively engage a respective locating surface associated with the stacking/socket members on adjacent shelf members for connecting the adjacent shelf members in spaced apart relationship, and a plurality of base support members supporting the connected shelf members on a horizontal surface with all of the support members oriented in a vertical direction.

Abstract: A product display shelving system for holding product containers in a stackable arrangement thereon comprising a base structure, a pair of frame members extending upwardly from adjacent one end portion of the base structure, a base shelf member adaptable to be supported on the base structure and a plurality of additional shelf members each adaptable to rest upon and to be supported by the product containers positioned on a shelf member located immediately therebelow, the base shelf member and the additional shelf member each including a product supporting floor portion having a surface contour defining a plurality of adjacent product support areas thereover, each of the product support areas being adaptable for holding and supporting at least one product container positioned respectively thereon, each of the plurality of additional shelf members being hingedly attached to the upwardly extending frame members at spaced vertical locations therealong such that each is pivotally movable between a substantially ho

Abstract: A container assembly for storing and displaying chilled products such as bottled or canned soft drink beverages and the like comprising a body member, a floor member positioned adjacent the lower end portion of the body member, a tub member adapted to hold products positioned therein located adjacent the upper end portion of the body member, a drain tank assembly positioned intermediate the floor member and the tub member, and a plurality of bracket members attached to the inner wall surface of the body member, each of the bracket members including a plurality of spaced shoulder surfaces adapted for positioning and supporting the floor member, and/or the tub member, and/or the drain tank assembly.

Abstract: A collapsible display and storage container adaptable for use in modular display units or as an open, free-standing bin, which container is collapsible into a flat package requiring minimum storage and shipping space. The present container device may be constructed from any suitable lightweight material, however, the preferred material of construction is corrugated plastic board.

Abstract: A product display shelving system for holding product containers in a stackable arrangement thereon comprising a base shelf member adaptable to be supported on a support structure and a plurality of additional shelf members each adaptable to rest upon and to be supported by respective layers of product containers positioned on and between the base shelf member and the additional shelf members, the base shelf member and the additional shelf members each having a surface contour defining a plurality of adjacent product support areas thereover, each of the product support areas being adaptable for locating and supporting at least one product container positioned thereon, each of the plurality of additional shelf members including a plurality of surface portions formed on the lower surface thereof to engage and to be supported by the product containers positioned therebelow. The present shelving system may also include an optical storage member for holding a plurality of shelf members when not in use.

Abstract: A container assembly for storage and display of articles formed of a plurality of parts that can be stored and shipped in substantially flat form and that can be assembled to a three-dimensional form thereby both storing the articles that are for sale and representing a display of one of the articles. A cylindrical body comprises two or more body panels preferably of resilient plastic biasing the panels toward a normally flat condition. Cooperative elongated interlocking channel members for locking the body panels together at adjacent side edges to form the cylinder. The channels are formed to interfit readily when the body panel margins adjacent the edges are substantially coplanar. The pressure biasing the body panels toward a flat position locks the interlocking channels together when the panels are curved to form a cylinder.

Abstract: A single cup electric heating device for heating a cup of tea, coffee or the like includes a generally vertically oriented mounting support having a flat rear surface adapted to be mounted on the wall of a motel room, hotel room or the like. The mounting support has a horizontal cup holder at its lower end for supporting the cup to be heated. Cooperating guides on the cover and sides of the mounting support slidably guide the cover for shifting movement between a raised position permitting a cup to be placed on the cup holder and a lowered position covering a cup so placed. An electric immersion heating element carried by the cover is immersed in the contents of the cup when the cover is in the lowered position and is energized by cooperating electrical contacts on the cover and mounting support which engage in the lowered cover position. An electromagnetic retaining mechanism simultaneously energized with the heating element retains the cover in its lowered position.

Abstract: A two-piece telescoping shelf adaptor construction adaptable to be supported on a shelf structure in a flat or inclined position and adjustable to accommodate varying shelf depths comprising first and second members each being formed having a similar number of spaced parallel adjacent guide channels extending thereacross, the first member having a front wall extending across the front edge thereof and the second member having a rear wall extending across the rear edge thereof, the guide channels each including a floor portion and spaced upstanding wall portions extending across the first and second members to form separators between the adjacent channels, the upstanding wall portions on the second member having cross-sectional shapes and being spaced to slidably receive and telescopingly cooperate with the upstanding wall portions on the first member whereby the first and second members can be moved relative to each other in order to achieve a desired length between the front wall of the first member and the