Camcorders; Cameras; Smartwatches; Acoustic alarms; Bags for cameras and photographic equipment; Car video recorders; Cases for photographic apparatus; Electric door bells; Electric navigational instruments; Electrical plugs; Global positioning system (GPS) apparatus; Laser detectors for detecting wireless local area network signals; Photographic filters; Radio receivers; Scientific apparatus, namely, sensing and signaling devices for measurement and quality control of materials processing by...