9 headphones for portable phones which consist of bone-conduction speaker using magnetostrictive technology; headphones for phones which consist of bone-conduction speaker using magnetostrictive technology; headphones for audio players which consist of bone-conduction speaker using magnetostrictive technology; bone-conduction audio speakers using magnetostrictive technology, loud speakers, and other audio speakers; converters, namely, super magnetostrictors and magnetostrictors; electronic magnetostrictive equipment, namely, a wave generator, wave sensor, wave analyzer vibration generator, vibration sensor, and vibration analyzer; electroacoustic transducers; magnetoacoustic transducers; electrical communication machines and instruments, namely, telephone sets, computers, intercoms, portable phones, audio frequency transmission machines and apparatus, transmission and repeating machines and apparatus, television sets, radio receivers, navigation apparatus for vehicles and on-board computers, public address systems and instruments, compact disc players, juke boxes, tape recorders, electric phonographs, record players, sound recording machines and apparatus, video cameras, videodisc players, videotape recorders, DVD players, DVD recorders, pickups for telecommunication apparatus, microphones for telecommunication apparatus; electronic machines and instruments, namely, magnetic object detectors, hydrophone machines and apparatus, echo sounders, ultrasonic flaw detectors, ultrasonic sensors and structural parts thereof; ear plugs not for medical purposes; electrolytic cells; fire alarms, gas leakage alarms, burglar alarms; video game machines for use with televisions, external display screens or monitors for business use; vehicle driving training simulators; photographic apparatus and instruments, namely, cameras and slides; motion picture apparatus and instruments, namely, cameras, projectors, videotape recorders, DVD players; optical apparatus and instruments, namely, binoculars; measuring apparatus and instruments, namely, pressure gauges, acoustic meters, vibration meters, noise meters, automatic pressure control machines and instruments; rotary converters; phase modifiers; electric wires and cables; magnetic cores; resistance wire; electrodes; electronic circuits and CD-ROMs in which programs for portable liquid crystal game toys are recorded; records, namely, record decks and record players; metronomes; electronic circuits and CD-ROMs in which automatic playing programs for electronic musical instruments are recorded; downloadable electronic publications, namely, books, magazines, and manuals featuring speakers, magnetostrictors and magnetostrictive devices; electronic publications pre-recorded on optical media, magnetic media, USB flash drives and secure digital cards (SD cards), namely, books, magazines, and manuals featuring speakers, magnetostrictors and magnetostrictive devices