Automatic slide projector

Automatic slot positioning device for camera take-up spool

Automatic specimen sealing system

Automatic speed control for copying apparatus

Automatic stopping mechanism for a motion picture projector

Automatic strobe camera

Automatic synchronization of two strip drives

Automatic synchronizing change-over apparatus of sound slide...

Automatic take-up device

Automatic tape threading mechanism

Automatic three-dimensional photo printer to align the key...

Automatic underwater photograph taking apparatus on...

Automatic unit to control both programming dissolve...

Automatic vacuum feed and hold down assembly for camera system

Automatically operated vacuum feed and hold down assembly...

Automatically sequencing electronic flash camera

Automobile fibre optic blind spot eliminator

Autonomous underwater imaging process

Autostereographic print element

Autostereoscopic presentation system