Daniel Owen Austin

US Patent:

6822400, Nov 23, 2004

Filed:

Jan 23, 2001

Appl. No.:

09/767897

Inventors:

Simon Ha - Aurora IL
Daniel C. Scheffler - Winfield IL
Daniel J. Austin - Streamwood IL

Assignee:

Honeywell International, Inc. - Morristown NJ

International Classification:

H05B 3702

US Classification:

315241S, 315219, 396164

Abstract:

A strobe light responds to both an input voltage range of about 8-40 volts and a selectable candela output. A programmed processor stores a plurality of electrical parameters which correspond to respective selectable candela. For repetitive fixed periods, the light is repetitively driven by a variable duty cycle signal that takes into account both applied voltage and selected candela output.

US Patent:

6833783, Dec 21, 2004

Filed:

May 23, 2003

Appl. No.:

10/444227

Inventors:

Simon Ha - Aurora IL
Daniel C. Scheffler - Winfield IL
Daniel J. Austin - Streamwood IL

Assignee:

Honeywell International, Inc. - Morristown NJ

International Classification:

G08B 2500

US Classification:

340293, 315120

Abstract:

Strobe control circuitry combines several approaches to limit in-rush current. One circuit limits initial circuit response to an applied voltage that has been switched from an inactive to an active state. Other circuitry switches from a high input impedance state to a low input impedance state a predetermined period of time after the applied voltage has switched to an active state.

US Patent:

6897772, May 24, 2005

Filed:

Nov 13, 2001

Appl. No.:

10/008537

Inventors:

Daniel C. Scheffler - Winfield IL, US
Simon Ha - Aurora IL, US
Daniel J. Austin - Streamwood IL, US

Assignee:

Honeywell International, Inc. - Morristown NJ

International Classification:

G08B029/00

US Classification:

340506, 340538, 340 31, 340 32

Abstract:

A control module usable to drive audible or audible/visible output devices in an alarm system can generate a modulated pulse sequence in accordance with a desired output function. Sequence initiating pulses can be transmitted to output devices with a predetermined, substantially constant period. Additional pulses can be coupled to the output devices, between the initiating pulses, and later in time based on functions to be carried out by the output devices. The output devices in turn demodulate the received pulse train and determine the requested function which is then implemented to provide a desired audible or visual alarm indicating output.

US Patent:

20020125840, Sep 12, 2002

Filed:

Jan 7, 2002

Appl. No.:

10/040968

Inventors:

Simon Ha - Aurora IL, US
Daniel Scheffler - Winfield IL, US
Daniel Austin - Streamwood IL, US

International Classification:

H05B037/02

US Classification:

315/291000

Abstract:

Strobe control circuitry combines several approaches to limit in-rush current. One circuit limits initial circuit response to an applied voltage that has been switched from an inactive to an active state. Other circuitry switches from a high input impedance state to a low input impedance state a predetermined period of time after the applied voltage has switched to an active state.