Automatic exposure control system

Automatic exposure control system with unitary trim

Automatic exposure device for microscopic motion picture...

Automatic exposure system for pass through microfilm cameras

Automatic exposure time control device for cameras

Automatic film alignment and adjustment in the filmgate

Automatic film feeder

Automatic film rewinding camera

Automatic film stripper

Automatic film winding arrangement

Automatic film winding camera

Automatic focus apparatus

Automatic focus apparatus for optical systems

Automatic focus control system for video camera

Automatic focus for overhead projector

Automatic focusing camera

Automatic focusing mechanism for camera

Automatic focusing projecting apparatus

Automatic focusing system for projectors and the like

Automatic focussing apparatus