how movie projectors work - movie projector2

Automated processors have developed many innovative technologies to ensure that programs are carried out in the way they should.
Cue tape is one of the more interesting and useful.
It is a small piece of metal fixed at the edge of the film in a specific position.
At the appropriate time, the film passes through two electrical contacts, and the mother band completes the circuit between the contacts.
This circuit is like a switch, it can provide a variety of functions. A cue-
The tape switch can: The last item in the list is less relevant as most theaters now use tablets, but replacing the projector is the original reason for the invention of the clue tape. With cue-
Tape switches, manufacturers are able to automate the process of starting a reel at the end of another reel.
Aggressive projectors quickly realized that they could also automate many other features by using a specific combination of lead tapes to trigger specific responses.
Cue tapes make it possible to automate many aspects of film screenings, such as changing sound formats between previews and movies, but new systems like Reel Automation's Showtimer are expected to greatly enhance and expand Automation processes.