Head drum assembly of a video cassette recorder

Head drum assembly of a video cassette recorder with audio and c

Head drum assembly of video cassette recorder

Head drum assembly provided with an amplifier therein

Head drum assembly with electrical noise shield

Head drum assembly with vibration absorbing element

Head drum cleaning device for magnetic recording and reproducing

Head drum connection device

Head drum construction including magnetically shielded record an

Head drum device with carbon-containing synthetic resin...

Head drum for a magnetic recording/reproducing apparatus

Head drum for a magnetic tape recorder

Head drum for a recording/reproduction device

Head drum for recording and reproducing apparatus

Head drum forming an air film between an outer surface thereof a

Head drum ground system for use in a video cassette recorder

Head drum ground system having a resiliently mounted conductive

Head drum grounding system for use in a video cassette recorder

Head drum having weight balancing plate with removable portions

Head drum protector for magnetic recording and reproducing appar