Communications: electrical – Condition responsive indicating system – Specific condition
Reexamination Certificate
2008-01-15
2008-01-15
Lee, Benjamin C. (Department: 2612)
Communications: electrical
Condition responsive indicating system
Specific condition
C340S686100, C181S135000, C381S071800, C381S312000
Reexamination Certificate
active
07319399
ABSTRACT:
A system for monitoring the use of a hearing protection unit comprising a left ear hearing protection device (14) and a right ear hearing protection device (12) to be worn by a user (10) within a monitoring area, an arrangement (16, 18, 22, 1006, 2006) for wirelessly detecting the position of the left ear hearing protection device (14) and the position of the right ear hearing protection device (12) within the monitoring area, a device (22) for judging whether a predefined condition for the detected positions of the left ear hearing protection device and the right ear hearing protection device is fulfilled, and a device (22) for outputting a wearing compliance signal depending on whether the predefined condition is found to be fulfilled by the judging device or not.
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Lee Benjamin C.
Phonak AG
Previl Daniel
Safran David S.
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