Inventor

Charles F. Fisler

Inventor

Sycamore, IL, US

Overview

10→

Patents

1978–2009

Patent span

Physics

Primary field (CPC G)

Patents· 10 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

G08Bprimary

G08BSignalling systems, e.g. personal calling systems42%

H05BElectric heating17%

B06BMethods or apparatus for generating or transmitting mechanical vibrations of infrasonic, sonic, or ultrasonic frequency, e.g. for performing mechanical work in general8%

G04GElectronic time-pieces8%

H02MApparatus for conversion between ac and ac, between ac and dc, or between dc and dc, and for use with mains or similar power supply systems8%

H04WWireless communication networks8%

Y02DClimate change mitigation technologies in information and communication technologies [ict], i.e. information and communication technologies aiming at the reduction of their own energy use8%

PatentTitleYear

7,501,935'Multi-frequency fire alarm sounder'2009 7,486,173'System and method for setting parameters from control panel'2009 7,242,314'Strobe unit with current limiter'2007 7,218,205'Variable candela strobe with constant trigger voltage'2007 7,053,766'Self-testing system and method'2006 6,856,241'Variable candela strobe'2005 4,426,736'Programmable clock radio having nap and sleep type features'1984 4,241,294'Brightness control circuit for a vacuum fluorescent display'1980 4,090,189'Brightness control circuit for LED displays'1978 4,075,685'Emitter follower voltage controlled power supply'1978

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1978–1984Patents assigned to GEN ELECTRIC (4)· patent assignee history

1978–1984Based in New Hartford, NY, US· patent location history

2005–2009Patents assigned to HONEYWELL INT INC (6)· patent assignee history

2005–2009Based in Sycamore, IL, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
HONEYWELL INT INC	6	2005–2009
GEN ELECTRIC	4	1978–1984

Locations

Location	Patents	Span
Sycamore, Illinois, US	6	2005–2009
New Hartford, New York, US	4	1978–1984