Focus fader with dual optocouplers

Details Focus fader with dual optocouplers Focus fader with dual optocouplers

2006-01-17

2006-01-17

Chin, Vivian (Department: 2644)

Electrical audio signal processing systems and devices

With mixer

C369S004000

Reexamination Certificate

active

06987857

ABSTRACT:
The apparatus is a cross fader with dual optocouplers which communicate first and second audio signals. A manually controlled blade shutter travels along a linear path wherein at a first end of the path, a first edge of the blade shutter is inserted into the first optocoupler thereby attenuating or cutting the first audio signal. Likewise, at a second end of the path, a second edge of the blade shutter is inserted into the second optocoupler thereby attenuating or cutting the second audio signal.

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