Abstract: Disclosed is an apparatus for determining the number of moving objects which completely traverse a given path. The apparatus provides an array of light sensors which are placed adjacent the path. A scanner periodically samples the output of each sensor in the array and produces an output proportional to the ambient light in the path striking the sensor. This output is stored for comparison with future outputs so that changes in the ambient light in the path may be detected. Changes in ambient light at a particular sensor are compared with changes detected by adjacent sensors, first to prevent erroneous readouts and second to determine the direction of movement. Moving objects completely traversing the field are recorded.

Abstract: There is disclosed an improved gaseous discharge display panel device and process of manufacturing same. A cathode electrode, and mask structures are printed and fired on a glass substrate, the electrodes being printed first. Upon completion of fabrication of the electrode and dielectric mask structures, they are assembled with like formed anode plate structure. Individual devices are then assembled with use of a frit seal incorporating spacer spheres. In forming the devices, fusion of the seal material may be done in an environment of the fill gas or the gas may be processed through a small gap left in the seal structure and, the gap is closed with a short gob of sealing glass after outgasing and gas filling are performed.

Abstract: There is disclosed an improved gaseous discharge display panel device and process of manufacturing same. A cathode electrode, and mask structures are printed and fired on a glass substrate, the electrodes being printed first. Upon completion of fabrication of the electrode and dielectric mask structures, they are assembled with like formed anode plate structure. Individual devices are then assembled with use of a frit seal incorporating spacer spheres. In forming the devices, fusion of the seal material may be done in an environment of the fill gas or the gas may be processed through a small gap left in the seal structure and, the gap is closed with a short gob of sealing glass after outgasing and gas filling are performed.