Dual turntable record player with torque cancellation
Dual wavelength optical system
Dual wavelength polarization selective holographic optical eleme
Dual wire integrated WAMR/HAMR writing head
Dual-focus optical pickup for different thicknesses of recording
Dual-layered optical disc and pickup head
Dual-metal reflective layer recordable/erasable optical media
Dual-mode MP3 player
Dual-sized disk player
Dual-stack optical data storage medium and use of such medium
Dual-wavelength optical recording head utilizing grating beam sp
Dubbing apparatus
Dubbing apparatus
Dubbing apparatus and dubbing method
Dubbing apparatus and dubbing method
Dubbing apparatus and dubbing method
Dubbing apparatus for audio equipment
Dubbing device for dubbing data
Dubbing system
Dubbing system and dubbing method