Logitech International, S.a.

Robert G Allison

Medford Alan Dyer

Jerry J Harvey

A visual feedback system that activates a visual display when the sound pressure level from a headset attached to the system exceeds a preset level is provided, along with a method of using the same. The visual feedback system is interposed between the audio source and the headset and is either integral to a specific headset or coupleable to any of a variety of headsets. If a non-integral headset is used with the visual feedback system, the system is matched to the characteristics of the selected headset, for example using a selector switch or via a calibration process. During operation, the visual feedback system illuminates a display (e.g., an LED) whenever the sound pressure level from the attached headset exceeds the preset level. The visual feedback system can be implemented using analog or digital circuitry.

Headset visual feedback system

An audio monitor system that includes a pair of in-ear monitors, each of which includes a connector and a corresponding detachable cable, is provided. Each connector may include a two pin jack assembly and each detachable cable may include a corresponding two pin plug assembly. Preferably, each plug assembly of each detachable cable includes a hooded member. More preferably, a portion of the hooded member covers a portion of the corresponding connector, thus effectively sealing the plug/connector assembly from contamination. Even more preferably, interlocking members are included on each hooded member and each corresponding connector, the interlocking members preventing accidental decoupling of the cable from the connector. The plug and connector assemblies may include means for insuring that a desired pin polarity is maintained during cable coupling.

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San Juan Capistrano, CA, United States of America

Robert G Allison