74158857
Apr 19, 1991
Apr 20, 1993
parts and fittings for electric and electronic apparatus; namely, [ loud speaker; microphone; ] electric magnetic interference suppression filter; noise filter; [ surface acoustic wave filter; ] LC filter; active filter, [ microwave filter; ceramic filter; deflection yoke; ] high voltage capacitive-resistive block; [ power supply; thermal cutoff; capacitor; variable capacitor; ceramic capacitor; resonator; ] high voltage capacitor; [ monolithic ceramic capacitor; double layer capacitor; trimmer capacitor; ] resistor; trimmer resister; potentiometer; [ ceramic resonator; radio frequency modulator; ] variable resister; positive temperature-resistance coefficient thermistors; negative temperature-resistance coefficient thermistors; [ piezoelectric tuning fork and electromagnetic tuning fork; piezoelectric oscillator; ]
Electrical and Scientific Apparatus