Electrical audio signal processing systems and devices – With amplifier
Reexamination Certificate
2008-09-23
2008-09-23
Chin, Vivian (Department: 2615)
Electrical audio signal processing systems and devices
With amplifier
C340S506000, C340S286020, C340S291000
Reexamination Certificate
active
10323875
ABSTRACT:
The present invention is an apparatus and a concomitant method for boosting the audio signal generated by at least one notification appliance in a supervised emergency voice evacuation system.
REFERENCES:
patent: 4375637 (1983-03-01), Desjardins
patent: 4881058 (1989-11-01), Berry, III
patent: 5887067 (1999-03-01), Costa et al.
Applegate Edward V.
Bizjak Brian E.
Curran John W.
Fetterly Richard H.
Kosich Joseph
Chin Vivian
Tran Con P
Wheelock Inc.
LandOfFree
Method and apparatus for boosting an audible signal in a... does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Method and apparatus for boosting an audible signal in a..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Method and apparatus for boosting an audible signal in a... will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-3925029