Film speed control for sound motion picture projector

Film transport speed controlling device

Film-feeding speed controlling device for sound-cinecamera

Film-sound synchronization system

Film-to-tape transfer apparatus

Film-to-tape transfer apparatus

Film-transport control for sound-film camera

Film-transport control for sound-film camera

Filming camera with a synchronous sound recording

Flutter compensator with variable oscillator

High fidelity reproduction device for cinema sound

Indication of scenes on a projector programmed on the basis of s

Insulated-gate semiconductor device with improved base-to-source

Lens mount with noise reducing means

Low-frequency sound program generation

Master negative film making apparatus, master negative film...

Matrix-encoded surround-sound channels in a discrete digital...

Medium having photographically recorded digital audio bits

Method and apparatus for editing motion picture film and synchro

Method and apparatus for photographically recording digital audi