Abstract: A rock picker has a plurality of high capacity conveyors, one of which is used for storing rocks during the picking operation. The conveyors quickly unload the stored rocks into a truck or at some other desired location. The storage conveyor is arranged so that it does not take up any substantial amount of space greater than the rock picker frame, but yet is sufficiently large in capacity so that it can store a large number of rocks as they are picked. Loading conveyors are sequentially placed so that first and second normally continuously operating conveyors load into the third storage conveyor in sequence. A storage hopper is provided at the input end of the storage conveyor, and the conveyor is intermittently operated to carry the rocks from the hopper in a layer along the length of the storage conveyor. When the storage conveyor is loaded with rocks, the storage conveyor is run to discharge the rocks off one end.

Abstract: A cooling device has a flexible foam insulating layer with a cooling surface. A plurality of distinct cavities spaced from each other are located adjacent the cooling surface in the insulating layer. A cooling fluid is contained within each cavity. The device is cooled to freeze the cooling fluid, and an object such as a bottle is placed within the cooling device to be cooled.

Abstract: The flat belt tire tester which permits mounting a wheel and tire to be tested about an axis positioned above a flat belt, and has framework and controls for lowering the tire into contact with the belt under desired loads, using desired adjustments for camber and steering. The belt is powered, and can thus be used for testing the tire under simulated road conditions. The mounting framework and belt mounting construction of the present invention provides substantial rigidity through having the mounting frame geometry properly oriented in relation to the contact surface of the belt and also by providing a stiff frame for the belt mounting drums or pulleys.

Abstract: A high performance cathode ray tube (CRT) display monitor is capable of operating at a rate of 50,000 horizontal scans per second. The monitor receives vertical sync, horizontal blank, and video input signals. The vertical sync signal is supplied to an integrated circuit vertical deflection system which produces vertical deflection signals (for the vertical yoke) and vertical blank signals. The horizontal blank signal is supplied to an integrated circuit phase lock loop which includes a phase comparator and a voltage controlled oscillator (VCO). The output of the VCO is amplified to produce horizontal deflection signal pulses (for the horizontal yoke). The horizontal retrace signal pulses are supplied to a comparator input of the phase lock loop, and are compared with the horizontal blank signal.

Abstract: A photographic film processor including a film dryer through which photographic film is transported under tension and dried, has a film break detection system for detecting photographic film breaks within the dryer. Upper and lower substantially horizontal shafts are positioned in the dryer in a spaced relationship. Each shaft has a plurality of spools, and the photographic film is transported back and forth over the spools and between the shafts in a serpentine fashion. The lower shaft is spatially movable with respect to the upper shaft and is biased in a direction opposite to the force on the lower shaft due to film tension. A film break within the dryer causes a loss of film tension, which in turn causes a change in the spatial position of the lower shaft. A sensor senses this change in the spatial position of the lower shaft, activates an alarm, and shuts off the dryer drive system.

Abstract: The invention relates to an apparatus for testing the physical condition of a person and a method for using the apparatus. The apparatus comprises a portable heart monitor for attachment to a person and a plurality of circular paths positioned for sequential use by the person in order of increasing size. Marked on the circles are means indicating a given fractional part of the circle which is to be covered in a measured number of seconds. Means are provided to indicate the elapsing of the measured number of seconds. Additionally provided are means timing the elapse of a set period of time for the person to sequentially walk over each circle.

Abstract: A power digging means for moving one of several digging spoons of a ring stand type tree digging machine into and out of the ground includes a pair of double acting hydraulic linear motors each connected at their end portions to a ring supported stanchion, a rack integral with the back of the spoon, a rack on the stanchion, a pinion support assembly connected to lower ends of each of the hydraulic motors, and a pinion meshed with the racks and rotatably mounted in the pinion support assembly. The pinion support assembly has arms extending past and behind the stanchion rack. A roller is rotatably mounted between the assembly arms and behind the rack to hold the stanchion rack in proper meshing relation to the pinion. The positioning of the stanchion rack and the spoon rack with respect to each other is adjustable to insure proper driving engagement of the pinion and racks and to insure a proper penetration path of the spoon into and out of the ground.

Abstract: An automatic replenisher control system for a photographic cine processor includes a film type sensor which identifies, by film type, the unprocessed film entering the processor. Replenishment of processor fluids is controlled as a function of the identified film type. The film type sensor includes an array of reflective infrared (IR) sensors which are positioned across a path of the film. Each infrared sensor provides a sensor signal indicative of whether the film is adjacent the infrared sensor. Signal processing circuitry, including a digital computer, first determines the width of the film by sampling the signals from the infrared sensors a series of times, and totalling the number of sensor signals indicating the film is adjacent the sensor. 110 format film and large format films (such as 46 mm, 120/220 and 70 mm format films), are identified solely on the basis of width. A perforation sensing routine is performed to distinguish between leader, 126 format film and 135 format film.

Abstract: A subtractive photographic printer is capable of providing extremely short exposure time by coordinating the operation of a shutter and color filters. The shutter is normally positioned in the light path, and is driven out of the light path at the beginning of an exposure cycle. The exposure in each color channel is terminated by driving the color filter associated with that color channel into the light path in a direction which is essentially the same as the direction in which the shutter was driven out of the light path. In addition, the filter is driven into the light path at essentially the same rate at which the shutter was driven out of the path. The exposure time for the color channel is determined by the time delay between actuation of the shutter drive and actuation of the filter drive, since the shutter and the filter move in the same direction and at essentially the same rate.

Abstract: A photographic print stacking apparatus is positioned proximate the discharge end of a conveyor system which conveys photographic prints from a photographic print cutter. The print stacking apparatus includes upper and lower print receiving elements which receive and hold the prints as they are discharged. The conveyor system delivers the prints to the stacking apparatus with sufficient force to carry the prints between the upper and lower print receiving elements until their leading edges engage a generally upstanding stop element. A print deflecting flap element is connected to the upper print receiving element and extends toward the stop element. The print deflecting flap element prevents the leading edges of the prints from passing over the upper end of the stop element.

Abstract: A low power transmitter has a D.C. Power supply for providing the transmitter with power. The supply is coupled to a voltage regulator for regulating the voltage to the transmitter and the regulator is further coupled to an oscillator which provides a time varying voltage signal to a capacitance sensor which varies as a function of the parameter to be sensed. The charging and discharging current pulses from the sensor, as affected by such sensors, are rectified and fed to an oscillator driver amplifier which controls the time varying voltage as a function of such rectified signals. The rectified signals are also fed to a low power consumption output amplifier which provides a zero based D.C. voltage output signal representative of the parameter to be sensed along two wires. The transmitter operates on low voltage and has a low power consumption.

Abstract: A photographic film insertion apparatus inserts photographic film segments into an insertion opening of a multi-layer package strip. A film conveyor conveys cut photographic film segments along a path and discharges the photographic film segments from a discharge end of the conveyor to the film insertion opening. After the film segments have been conveyed into the insertion opening, a film pushing element drives the film segments a further distance into the insertion opening. This ensures that all film segments are securely within the insertion opening and will not hang up or tip as the multi-layer package strip is advanced away from the film insertion station.

Abstract: A cathode ray tube monitor includes a cathode ray tube having a printed circuit board mounted to and supported by the cathode ray tube. A mounting ring or collar is attached to the rear surface of the cathode ray tube at the transition between the neck portion and the bell portion of the tube. The printed circuit board has an aperture therein to permit coaxial alignment of the printed circuit board with the neck portion of the cathode ray tube. The printed circuit board is connected to and supported by the mounting ring or collar.

Abstract: A linearization circuit for use with servovalves for controlling reciprocating actuators. The circuit will maintain a substantially linear flow as a function of spool position from the servovalve regardless of the differential pressure across the servovalve orifices, for example the differential pressures which result from changing direction of movement of the controlled actuator under a high load. A differential pressure signal from the actuator, which correlates to differential pressure on the servovalve orifices is processed to provide a compensation signal combined with the normal control signal to achieve the desired output.

Abstract: An incandescent lamp fixture includes an incandescent lamp screwed into a plastic lamp socket, a metallic heat dissipater in intimate heat transfer contact with the socket and having heat dissipating fins extending out from the socket. A metallic reflector surrounds the lamp and is mounted on the dissipater in heat transfer contact with it. An open-ended cylindrical lamp shade is connected to the heat dissipater and is in spaced, concentric relation to the dissipater, socket and lamp to permit free flow of air heated by the fixture to pass between the outside of the reflector and through the fins of the dissipater on the one side and the interior of the shade on the other. This will keep the temperature of the lamp base below the breakdown temperature of the socket and switch and below the breakdown temperature of the cement between the lamp base and the lamp bulb. A switch assembly includes a switch base mounted to the lamp socket and incoming power wires mounted directly on the switch base.

Abstract: A chimney cleaner device cleans the inside surfaces of a chimney in both an upward and downward direction. The device includes a pair of diverging cleaning arms made of heavy metal, each arm having an integral shank portion and blade portion. The blade portion has an outermost scraping edge and a beveled surface slanting inwardly from the cleaning edge to an end of the blade portion opposite the shank portion. The cleaning arms are pivotally connected at an end of the shank portion opposite the blade portion, and are biased outwardly about the pivotal connection in a diverging manner by a lateral force such that the scraping edges engage the inside surfaces of the chimney. The combination of the weight of the cleaning arms and the beveled surface are sufficient to overcome the lateral force allowing downward scraping of the chimney. Upward cleaning of the chimney is accomplished by simply pulling the device up the chimney.

Abstract: A solar collector having a housing of convenient size to be installed onto a roof top of a building adjacent the edges of the roof to transfer heat directly to an exterior conductor rib of the collector that melts ice and snow. The collector has an absorber plate exposed to a source of radiant energy, such as the sun, for absorbing the energy and converting it to heat which is conducted to the conductor rib on the exterior of the collector. The conductor rib on the exterior of the collector provides a concentrated amount of heat along a relatively narrow path to melt a channel in ice and snow on the roof and thus provide a drain channel to prevent water from backing up under the shingles and damaging the interior of the building.

Abstract: A graphic arts processor capable of processing photosensitive film and paper includes digital storage for storing a replenishment control matrix formed from a plurality of individual information matrices for different photosensitive materials. Each information matrix includes replenishment control information, an indication of whether the photosensitive material is film or paper, and transport speed control information. Selector switches select one of the individual information matrices for controlling operation of the processor. A transport speed control controls the transport speed of the processor as a function of the speed control information in the selected information matrix. The replenishment control provides replenishment of the processor fluid as a function of the replenishment control information and either film density signals from a density scanner or predetermined paper density signals.

Abstract: A photographic film packing apparatus cuts film segments from a web of photographic film, partially overlaps the segments in a shingled manner, and conveys the segments in partially overlapping relationship into an insertion opening of a package, such as a customer order envelope. The apparatus advances the web a selected distance past a knife location, at which a knife assembly is located. The knife assembly severs a film segment from the web. The movement of the film segment is then reversed to cause a trailing edge of the film segment to be deflected downward out of the path of the leading edge of the web. The web is then advanced while the segment is maintained stationary until the web has overlapped the segment by a predetermined amount. The web and the film segment are then conveyed together toward the insertion opening until a desired cut location on the web is aligned with the knife location. The knife assembly then cuts another film segment from the web.