Electromagnetic pickup cartridge
Electromagnetic pickup cartridge
Electromagnetic pickup cartridge having elongate core elements
Electromagnetic pickup cartridge with flux sensors mounted above
Electromagnetic transducers for converting mechanically acoustic
Elongated phonograph pick-up head with snap-together constructio
Epoxy resin
Grounding circuit for pickup cartridge moving coil
Information processing system, information processing...
Information signal regenerating stylus and manufacturing method
Intensified field focus moving coil phonocartridge assembly
Keel-tipped stylus, and method and device for making keel-tipped
Lever operated stylus guard for phonograph pick-up cartridge
Magnetic phono cartridge
Magnetic pick-up and/or cutter cartridge
Magnetic system for a stereo pick-up with a movable coil
Magneto-optical recording circuitry for reversing a magnetic fie
Mechanical record cutting method
Method and apparatus for recording video signals into a metal su
Method for producing a record carrier