Rotary head drum device

Rotary head drum device having hollow portions in bonding...

Rotary head drum for a VCR

Rotary head drum for a VCR having an improved connection structu

Rotary head drum for a VCR having ring shaped and circular magne

Rotary head drum for video tape recorder

Rotary head drum having a connecting member for providing electr

Rotary head drum having head-affixing, transformer-affixing, and

Rotary head drum having reduced exterior dimensions

Rotary head drum unit

Rotary head drum unit with grooves or protrusions on a stationar

Rotary head drum with integrated yoke and vibration resistant ba

Rotary head drum with shielding of heads and rotary transformers

Rotary head for magnetic tape record and playback

Rotary head for use in a magnetic recordiang and reproducing app

Rotary head having an adjustable magnetic head and a...

Rotary head having an airflow adjustment magnetic head and a...

Rotary head magnetic recorder for use with a specific record mem

Rotary head magnetic recorder/reproducer

Rotary head mounting device