Simultaneous visual and audio signal apparatus

Single lock switch for inputting commands associated with shooti

Slide valve displacing arrangement for multipurpose cassette

Slot load movie projector mechanism

Slot load projector

Snorkel lens system

Snorkel system

Sound film cassette employing separating web

Sound insulated interchangeable lens

Sound mixing system for film sound editing

Sound module for motion picture cameras

Sound motion picture apparatus with removable cartridge

Sound motion picture camera

Sound motion picture camera

Sound motion picture camera

Sound motion picture camera

Sound motion picture camera

Sound motion picture camera

Sound motion picture camera

Sound motion picture camera and sound motion picture system