Communications: electrical – Condition responsive indicating system – Specific condition
Reexamination Certificate
2007-05-29
2007-05-29
Hofsass, Jeffery (Department: 2612)
Communications: electrical
Condition responsive indicating system
Specific condition
C340S603000, C073S001730
Reexamination Certificate
active
10907408
ABSTRACT:
An enclosure for a wastewater fluid level sensing and control system is provided. The enclosure for a control panel of the system may comprise a housing and a non-opaque door. Audible and/or visible alarm devices may be mounted within an interior space formed when the door is closed with respect to the housing. The control panel may be configured to turn on the audible and/or visible alarms responsive to signals from a fluid level sensing device within a reservoir. The control panel may include a touch sensor pad mounted to an inner wall of the housing. Changes in capacitance in the pad as a result of a hand being placed adjacent the sensor on the outside of the housing may be operative to cause the control panel to silence the alarms.
REFERENCES:
patent: 7002481 (2006-02-01), Crane et al.
patent: 7015819 (2006-03-01), Collings
patent: 2002/0109592 (2002-08-01), Capano et al.
Chandler, Jr. William D.
Wolfe Aaron R.
Chandler Systems, Inc.
Hofsass Jeffery
Parmelee Christopher L.
Walk Samuel J.
Walker & Jocke LPA
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