Abstract: A board game has two chance taking devices such as spinners, dice for generating two numbers. A first number selects the number of a question on a question card from a deck of question cards that must be answered correctly. On the board is imprinted a first, direct path of connected spaces from start to win and a second, serpentine path of connected spaces that periodically intersects the first path at common, intersecting spaces. Each player's token is moved a particular number of spaces determined by the second change taking device. Complexity is introduced by what happens when a token is on an intersecting space at the start of a turn. If the question is answered correctly, the token advances along the direct path. If answered incorrectly the token moves one space onto one or the other side of the direct path onto a loop of the second path. Which side it moves is indicated on the question card. On one side the token is advancing and on the other side it is retreating.

Abstract: A web slitting machine for cutting a web or roll of material includes an upper carriage assembly joined to a lower blade holder assembly by a selectively removable guide key which is milled to provide a predetermined cant angle for the blade. The blade is lowered into position by a piston which is rectangular and includes a torsion-resisting sleeve to prevent rotation of the piston about its vertical axis. A pneumatic control provides a plurality of control modes whereby the blade may be raised and lowered with or without locking the upper carriage assesmbly to its transverse bar and vice-versa. A unique side shift adjustment is provided whereby the blade may be shifted to a half-stroke position and the upper carriage locked when the blade is positioned against a lower knife. This ensures that the pressure of the blade against the knife is the pressure exerted at the mid point of the stroke.

Abstract: Disclosed is a method and apparatus for the non-invasive determination of one or more preselected analytes in a body fluid expressed through the skin. The fluid is collected in a dermal concentration patch and concentrated by driving off a portion of the substantial water fraction under the influence of body heat. The analyte is optimally complexed with an immobilized specific binding partner and an indicium of the presence of the analyte is visually expressed.

Abstract: A web slitting machine for cutting a web or roll of material includes an upper carriage assembly joined to a lower blade holder assembly by a selectively removable guide key which is milled to provide a predetermined cant angle for the blade. The blade is lowered into position by a piston which is rectangular and includes a torsion-resisting sleeve to prevent rotation of the piston about its vertical axis. A pneumatic control provides a plurality of control modes whereby the blade may be raised and lowered with or without locking the upper carriage assembly to its transverse bar and vice-versa. A unique side shift adjustment is provided whereby the blade may be shifted to a half-stroke position and the upper carriage locked when the blade is positioned against a lower knife. This ensures that the pressure of the blade against the knife is the pressure exerted at the mid point of the stroke.

Abstract: A web slitting machine for cutting a web or roll of material includes an upper carriage assembly joined to a lower blade holder assembly by a selectively removable guide key which is milled to provide a predetermined cant angle for the blade. The blade is lowered into position by a piston which is rectangular and includes a torsion-resisting sleeve to prevent rotation of the piston about its vertical axis. A pneumatic control provides a plurality of control modes whereby the blade may be raised and lowered with or without locking the upper carriage assembly to its transverse bar and vice-versa. A unique side shift adjustment is provided whereby the blade may be shifted to a half-stroke position and the upper carriage locked when the blade is positioned against a lower knife. This ensures that the pressure of the blade against the knife is the pressure exerted at the mid point of the stroke.

Abstract: A system for automatically positioning a plurality of tool-holding carriages along an elongate guide member utilizes a single drive member to move all of the carriages simultaneously. The carriages each have clutches for selectively engaging or disengaging the drive member so that the carriages can be moved relative to each other by the drive member, and can be moved simultaneously in opposite directions along the guide member if desired. The drive member is capable of moving each carriage throughout its respective maximum range of movement with a continuous motion, without any reversal of the drive member or any disengagement of the respective carriage from the drive member. Each carriage has an electrically-powered position sensor capable of transmitting different discrete signals for different positions of the carriage so that it provides absolute indications of position rather than indications which are relative to some reference position.

Abstract: A system for automatically positioning a plurality of tool-holding carriages along an elongate guide member utilizes a single drive member to move all of the carriages simultaneously. The carriages each have clutches for selectively engaging or disengaging the drive member so that the carriages can be moved relative to each other by the drive member, and can be moved simultaneously in opposite directions along the guide member if desired. The drive member is capable of moving each carriage throughout its respective maximum range of movement with a continuous motion, without any reversal of the drive member or any disengagement of the respective carriage from the drive member. Each carriage has an electrically-powered position sensor capable of transmitting different discrete signals for different positions of the carriage so that it provides absolute indications of position rather than indications which are relative to some reference position.

Abstract: A reinforcing weld structure for thermo-adhesive sheets joined by high frequency welding methods. The invention is particularly concerned with a photo finisher wallet fabricated of flexible thermoplastic sheet material and including the reinforcing weld of the present invention at each corner of each of the wallet's pockets. The photo finisher wallet includes a first flexible thermoplastic sheet foldable to form front and rear covers, one of which is substantially rectangular and has a welded seam along three of its edges. A second substantially rectangular thermoplastic sheet is sealed along its three edges to the rectangular cover by the seam, the second sheet having an unsealed edge to form a pocket.

Abstract: A method and means for superimposing a secondary, higher frequency, lower amplitude oscillation of the angle of the trajectory of a glass fiber relative to a forming surface upon a primary, lower frequency, higher amplitude oscillation of the release mechanism.

Abstract: Disclosed is a method and apparatus for the non-invasive determination of one or more preselected analytes in a body fluid expressed through the skin. The fluid is collected in a dermal concentration patch and concentrated by driving off a portion of the substantial water fraction under the influence of body heat. The analyte is optimally complexed with an immobilized specific binding partner and an indicium of the presence of the analyte is visually expressed.

Abstract: A low cost process for fabricating solder column interconnectons for an electronic package is described. The process includes the step of filling an array of pin holes in a pin mold with a lead/tin solder, which array of pin holes is in substantial registration with the array of conductive pads on one side of a chip carrier; heating the lead/tin solder in the pin mold such that the solder becomes molten and coalesces with the array of conductive pads of the chip carrier, thereby forming an array of miniature pins bonded to the array of conductive pads of the chip carrier; joining circuit components to the other side of the chip carrier; and reflowing an eutectic lead/tin solder paste screened to the corresponding array of conductive pads of a circuit board to bond the free ends of the array of miniature pins of the carrier to the corresponding array of conductive pads, thereby forming the solder column connnections between the chip carrier and the circuit board.

Abstract: A radiation imaging system comprises a grid for receiving a large field, low intensity, radiation image and for removing scattered radiation therefrom. A device which is responsive to the grid converts the radiation image into a visible light image. A plurality of light conductive fibers with each fiber having an input end and an output end is provided. The input ends are separated by a discrete distance from one another and are in substantial registration with the grid for conducting the visible light image. The output ends are substantially adjacent to one other thereby effecting size reduction of the visible light image. The intensity of the reduced visible light image is increased and the intensified image is output.

Abstract: Imaging apparatus including an image intensifier and first and second assemblies for filtering or color encoding incident light before it is received by the image intensifier, and produced light emitted from the image intensifier, respectively. An objective lens and an eyepiece are provided for passing the incident light to the first filtering assembly and for passing the produced light to a predetermined location, preferably to an observer. The first and second filtering or encoding assemblies remove from the light, components falling within at least one predetermined range of frequencies. The filtering assemblies may be two disks, an input disk and an output disk, positioned on opposing sides of the image intensifier. Each disk may have one or more filters. Each filter is adapted for removing from the light all components except those having a wavelength falling within a predetermined range of wavelengths.

Abstract: An improvement in a process for sterilizing goods comprising a method for substantially reducing condensate on the processed goods. The method includes producing an exothermic reaction during the process between effective amounts of at least two reactants to release at least a sufficient quantity of heat proximate the goods to substantially reduce condensate on the goods at the conclusion of the process. Hydratable salts may be housed in a liner which is permeable to a condensate vapor present in the process. Contact between the vapor, or condensate, and the salt produces the exothermic reaction during the process.

Abstract: A telescoping device uses pins resting in grooves to serve as stop means for telescoping tubes. Each of a set of telescoping tubes has at least one groove running longitudinally along the outer tube circumference. A set of two right angled pins rests in a groove, the first pin extending outward through an aperture in the next largest tube's wall, the second pin extending inwardly through a groove aperture to serve as a stop for the next smallest tube. When the tubes are collapsed inwardly, the progress of each tube is stopped by the second pin in the next largest tube. When the tubes are extended outwardly, the progress of each tube is stopped by the abutting of the first and second pins' ends in a groove.

Abstract: Apparatus is provided for removing the heat from within a generally sealed enclosure having a heat generating means disposed therein, such as a surgical light. The enclosure of the light includes a slightly domed top, a generally cylindrical side wall and a round bottom lens. The heat generating means consists of a plurality of lamps located within a cylindrical housing having a closed end which is located within the enclosure in the center of the top thereof. Radial fins extend about the circumference of the heat generating means, certain of the fins having arms extending radially therefrom. A large curved reflector having a series of lower slots forms an annular inner wall between the arms of the fins and the lens adjacent the outer circumference thereof. As such, the heat generated by the lamp housing is passed to the fins and travels to heat the upper ends thereof.

Abstract: An illumination system having a continuous fixed ceiling panel, at least one light source suspended by a telescoping arm from the panel and a split-core transformer formed by two electroinductive coils enclosed in permanent magnets through which a magnetic field is created for the sealed transfer of electrical energy through the panel to the light source. One magnet is disposed on opposite surfaces of the panel. Rollers or a pneumatic system may be disposed between each magnet and the surface of the panel on which the magnet is disposed for sliding the magnets over the surfaces of the panel while maintaining the transfer of electrical energy. Secondary lighting means may also be included.

Abstract: A method of forming a brazed joint between conformal surfaces byproviding a Sn gettering metal layer on at least one of the conformal surfaces,placing a mass of a low melting Au Sn alloy between the conformal surfaces,heating the resultant assembly to a temperature in excess of the melting point of the alloy,simultaneously with heating applying a pressure to force the surfaces together to squeeze the major portion of the molten Au-Sn alloy from between the surfaces, and cooling the assembly,the bond between the surfaces formed of a relatively thin higher melting Au-Sn alloy resulting when the major portion of the alloy is removed allowing the remaining Sn to combine with the Sn gettering layer to reduce the relative amount of Sn in the alloy.

Abstract: A shelf supports a load in such a steam environment as a steam sterilizer. The shelf includes at least one load supporting member which has a thermally efficient configuration. Accordingly, the shelf members may be tubular, may have channels with U-shaped cross sections, may be beams having an inverted T-shaped cross section or may be a tray having a plurality of U-shaped channels. Thus, the surfaces of each load supporting member are so adapted that formation of condensation on the surfaces is inhibited. In addition, the members are designed to retain at least a portion of the condensation formed on the surfaces of the members and direct to a desired location any condensation that cannot be held by the load supporting member.

Abstract: Intruder-detection systems in which intruder-induced signals are transmitted through a medium also receive spurious signals induced by changes in a climatic condition affecting the medium. To combat this, signals received from the detection medium are converted to a first signal. The system also provides a reference signal proportional to climate-induced changes in the medium. The first signal and the reference signal are combined for generating therefrom an output signal which is insensitive to the climatic changes in the medium. An alarm is energized if the output signal exceeds a preselected value. In one embodiment, an acoustic cable is coupled to a fence to generate a first electrical signal proportional to movements thereof. False alarms resulting from wind-induced movements of the fence (detection medium) are eliminated by providing an anemometer-driven voltage generator to provide a reference voltage proportional to the velocity of wind incident on the fence.