Steven A. Balk

A Remote-Controlled Flash Effect


In a Yale School of Drama production we used an infrared transmitter and receiver to control the operation of a four to six-foot flash effect that emanated from a ceramic bowl. See Figure 1. Stage action prohibited the use of contacts hidden in the stage floor. As a safety precaution, the system had to be designed to be triggered reliably and by one device only. Radio and ultrasonic controls were ruled out because of the risk of stray radio waves or sounds that could trigger the flash prematurely.

The main design requirements of the flash effect were that it:

1. be produced by a mechanism that could be concealed inside a 1′-tall ceramic bowl having a top diameter of 15″ and a base diameter ...

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