Rotary encoder

Rotary head apparatus for recording and/or reproducing an inform

Rotary head apparatus with magnetic heads having respective gaps

Rotary head assembly

Rotary head assembly with rigid adhesive bonding pole tips

Rotary head device

Rotary head drum device

Rotary head recording system

Rotary head recording system

Rotary head type magnetic recording and reproducing system

Rotary head type recording and/or reproducing apparatus having m

Rotary head type tape recording and/or reproducing apparatus

Rotary magnetic head

Rotary scanning tape recorder with improved head drum clamping

Rotary transformer with unique physical and electrical character

Rotatable cylinder with plural heads having diverse azimuth angl

Rotatable head assembly with offset sub-head gaps

Rotatable tape loading device in a magnetic tape recorder-reprod

Rotating drum having a center of gravity in registry with an axi

Rotating head apparatus having a protruding diameter headwheel w