Abstract: A cleaning device for cleaning a read/write head of a floppy disc drive unit comprises a plate member for insertion in the floppy disc receiving area. A cleaning member formed by a backing material with a plurality of upstanding tufts of fibres to clean the read/write head is provided in recesses on front and back surfaces of the plate member. Cleaning members are provided in recesses of the plate member to clean guide rails in the floppy disc receiving area.

Abstract: A demagnetizing device for demagnetizing a sound head in a cassette tape recorder, comprises a cassette type housing. A carrier member pivotal in the housing carries a permanent magnet which oscillates with the carrier member sidewardly across an opening in the housing adjacent the sound head of the cassette tape recorder to demagnetize the sound head. A cam driven by a spindle of the cassette tape recorder acting on a follower drives the carrier member with oscillating movement.

Abstract: A device for cleaning the components in the cassette receiving area of a video playing/recording unit comprises a housing having a cleaning tape 26 wound about a pair of spools 24, 25. A carrier member 28 pivotal in the housing carries a brush 29 for cleaning engagement with a drum 2 in the video unit. The cleaning tape extends behind a bearing member 42 of the carrier member and as the cleaning tape is moved into cleaning engagement with the drum of the video unit the carrier member, and in turn the brush are moved outwardly of the housing and the brush engages the drum of the video unit.