Fred Butalla - Joliet IL, US David Harter - Gilberts IL, US
International Classification:
G08B 19/00 G08B 1/08 G08B 17/10
US Classification:
340521000, 340628000, 340632000, 340539220
Abstract:
A remote accessory unit can communicate via a data protocol with one or more displaced duct detector control units. The accessory unit can present status indicators visually, on a per sensor basis. Both audible and visible annunciators can be provided to indicate an alarm condition.
Fred Butalla - Joliet IL, US Saba Farooqui - Barrington IL, US Michael Monroe - Batavia IL, US
International Classification:
G08B 21/00 G08B 17/10
US Classification:
340621000, 340628000, 340632000
Abstract:
A control unit can be in communication with an plurality of displaced duct sensors. Sensors can be placed in supply and return ducts of an HVAC-type fluid delivery systems. The unit can communicate status information as well as sensor sensitivity or other parameter values, on a per sensor basis, to a remote accessory unit via a communication protocol. The units can communicate via a wired or wireless medium.
Device With Built-In Signal Discrimination And Output Synchronization Circuits
Hsing C. Jen - Buffalo Grove IL Fred M. Butalla - Orland Park IL David P. Harter - St. Charles IL
Assignee:
Pittway Corporation - Chicago IL
International Classification:
G08B 2900
US Classification:
340506, 34028605, 34031001, 340331, 340538
Abstract:
An electrical unit, such as an ambient condition detector, incorporates pattern discrimination circuitry. A received pattern is analyzed and, if it is in accordance with a predetermined pattern, the unit outputs an audible and/or visible indicium synchronized with the incoming pattern for the duration thereof. The unit also includes circuitry for emitting a corresponding output signal pattern to at least one other detector. A system which incorporates a plurality of electrical units, at least one of which has the pattern discrimination circuitry produces at least one synchronized audible or visible output indicative of a predetermined condition throughout the system. Patterns can include predetermined tonal alarm indicating output patterns as well as predetermined visible alarm indicating output patterns.
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Eugene Butalla (Waynesburg, PA) Franz Butalla (Greensboro, PA) Fred Butalla (Joliet, IL) Fred Butalla (Orland Park, IL) Gerald Butalla (Genesee Depot, WI)