75983505
Apr 21, 1997
Nov 2, 2004
Active Trademark
ceramic capacitors [, fixed resistors ]; electric coils; ferrite cores [, magnets ]; NTC thermistors; EMI suppression filters including ferrite beads, choke coils, [spark gaps and] varistors; acoustic transducers including piezoelectric receivers and piezoelectric sounders; hybrid ICS; DC to DC converters; inverters; switching power supplies; radio frequency components comprising power amplifiers, RF modules and antenna units; filters including dielectric filters; [ dielectric resonators and ] LC filters; blank recordable compact disks
Electrical and Scientific Apparatus