Alexander Louis Ertz
Architects at Hayne Cir, Memphis, TN
License number
Mississippi 1078
Issued Date
Apr 11, 1974
Expiration Date
Nov 30, 2003
Category
Architecture
Address
Address
5336 Hayne Cir W, Memphis, TN
Professional information
Sr. Principal Engineer, Philips Emergency Lighting At Philips Lighting
Location:
Greater Memphis Area
Industry:
Electrical/Electronic Manufacturing
Experience:
Philips Lighting (Privately Held; Electrical/Electronic Manufacturing industry): Sr. Principal Engineer, Philips Emergency Lighting, (June 1982-Present)
Light Guiding System And A Method For Controlling The Same
US Patent:
2012018, Jul 19, 2012
Filed:
Jul 29, 2010
Appl. No.:
13/388354
Inventors:
Engel J. Knibbe - Heeze, NL
Alexander Ertz - Memphis TN, US
Mareike Klee - Straelen, DE
Leo Verhees - Veldhoven, NL
Alexander Ertz - Memphis TN, US
Mareike Klee - Straelen, DE
Leo Verhees - Veldhoven, NL
Assignee:
KONINKLIJKE PHILIPS ELECTRONICS N.V. - EINDHOVEN
International Classification:
H05B 37/02
US Classification:
315130, 315153
Abstract:
According to the present invention, a light guidance system for adapted illumination in emergency or power cut situations is provided, wherein the light guidance system is connected to an auxiliary power supply system () and comprises at least one light unit () adapted to emit light for illuminating surroundings and a control unit adapted to increase a light level of the light unit () according to a presence signal indicating the presence of a person, wherein the increasing of the light level is adjusted to enable a mandatory lighting period and a mandatory light level by considering a power value of the auxiliary power supply system ().
Generator Standby Ballast
US Patent:
5910689, Jun 8, 1999
Filed:
Apr 28, 1997
Appl. No.:
8/847781
Inventors:
Alexander L. Ertz - Germantown TN
Thomas A. Mascari - Memphis TN
Reginald J. Rodriguez - Germantown TN
Thomas A. Mascari - Memphis TN
Reginald J. Rodriguez - Germantown TN
Assignee:
The Bodine Company, Inc.
International Classification:
H02J 0906
US Classification:
307 64
Abstract:
A standby ballast for a fluorescent lamp in a lighting circuit powered normally by a main AC power supply, and in the event of main power supply failure, powered by an auxiliary standby generator, the standby ballast operable to provide AC power to the lamp for the interim between failure of main AC power supply and the supply of stabilized auxiliary AC power from the standby generator as it has started and reached normal operating condition.