78222869
Mar 7, 2003
May 31, 2005
Educational kits for teaching electronics with electrical components, namely wires, transistors, diodes, capacitors, inductors, and resistors and providing power supplies, strobe lights, sirens, electronic sound emitters, electronic robots, electronic telephone accessories, electronic burglar alarms, microphones, audio amplifiers, radio frequency oscillators, electronic locks, telephone bugs, electronic lie detectors, electronic metal detectors, color bar generators, wireless microphones, tester kits for testing diodes and transistors, AM radios, AM/FM radios, FM radios, short wave radios, crystal radios, telephones, fiber optics electrical displays, solar energy kits with DC motors, solar cell modules, turntables, buzzers, propellers, computer interfaces, namely, microphone input for computers, talking clocks, 33mm cameras, stereo cassette players, headphones, radio, alarms, transformers, photo transistors, speakers, earphones, magnetic bridges, each providing an electrical connection between conductive points held in place by magnetism; voltmeters, telegraphs, alarms, computer keyboards, transistor radios, metal detectors, timer buzzers, photo-level arms, first aid sirens, electronic temperature indicators, calculators for determining values of resistors, capacitors and inductors; pulse width modulation sound level meters, four-level photometers, ohmmeters, voltage drop alarms, rain detectors, voltage controlled amplifiers, timers, liquid crystal displays, bells, solar panels, digital/analog trainers for electronic experiments, computer interface trainers to write in RAM for electronic experiments, computer trainers to write into random access memory, read only memory and operate micro processors kits for teach analog electronic and digital electronics comprised of resistors, capacitors, integrated circuits, transistors, diodes, conductors, inductors, electronic power supplies, battery holders, soldering techniques training videos and compact discs for teaching electronics, electronic soldering stations, desoldering stations for electrical repair involving removal, repair and replacement of solder; test equipment, namely, oscilloscopes, analog oscilloscopes, storage oscilloscopes, digital multi meters, digital capacitance meters, digital LCR meters, analog multi meters for voltage, current and resistance, temperature meters, thermometers, automotive meters providing a digital engine analyzer for automotive diagnostics, AC current meters, video head testers, LED digital panel meters, SWR watt meters, scope probes, test leads, test alligator clips, cable testers, telephone line analyzers, diode testers, transistor testers, capacitor testers, ohm meters, AC receptacle testers, data line testers, circuit testers, satellite finders, solar energy testers, pulse width modulation testers, sound level meters, four-level photometers, ohmmeters, voltmeters, voltage drop alarms, and rain detectors; radio detectors; radio frequency generators, radio frequency generators with counters, audio generators, audio generators with counters, sweep function generators, function generators for viewing sine, square and saw tooth wave forms from electrical circuits; variable voltage supplies, variable AC power supplies, power supplies, fixed voltage supplies, spectrum tube power supplies, voltage controlled amplifiers, bredboards, and PC boards; soldering kits with light emitting diodes (LED) and PC boards for teaching soldering; network service tool kits with cable testers, receptacle testers, telephone line testers, cable strippers, crimping tools, screwdrivers, cable cutters
Electrical and Scientific Apparatus