Electric mechanical transducer and optical type pickup apparatus
Electrical apparatus such as a disc-record player, comprising a
Electrical data recording and retrieval based on impedance varia
Electrical device
Electro magnetic field generating element, information...
Electro-magnetic actuator for driving an objective lens
Electro-magnetic drive unit comprising a pivotable armature
Electro-optical device
Electro-optical device and electronic apparatus
Electro-optical scanning device having bridge members through tr
Electro-optical scanning device, hinge element for use in the sc
Electrochromic data recording systems
Electrodynamic focus and radial slide drive for an optical disc
Electrodynamic pickup cartridge having simplified coil structure
Electroluminescent multilayer optical information storage...
Electroluminescent multilayer optical information storage...
Electroluminescent multilayer optical information storage...
Electroluminescent multilayer optical information storage...
Electromagnet coils having a different inductance during magneto
Electromagnetic actuator and optical disk apparatus incorporatin