Authored by Tessnow in partnership with Michael Tucker, OSRAM applicatio" />

Issue: Apr 2006


Advanced switching halogen lighting applications



OSRAM SYLVANIA to Discuss Multifunction Use of Halogen Bulbs at 2006 SAE World Congress

by Lenny Case

OSRAM Applications Principal Scientist Thomas Tessnow will discuss the latest in advanced switching halogen lighting applications during the 2006 Society of Automotive Engineers (SAE) World Congress. His presentation of a technical white paper titled "Low Power DC and Pulse Width Modulation (PWM) Operation of Halogen Bulbs" will take place on Tuesday, April 4 at 2:30 p.m., in Detroit's Cobo Hall, room 03-45.

Authored by Tessnow in partnership with Michael Tucker, OSRAM applications group manager, and Dan Devir, principal engineer for OSRAM, the white paper discusses the effects of lower applied DC voltage (low and steady voltage) and PWM (intermittent power) to regulate halogen bulbs.

"We are now able to achieve multifunction use from a single bulb, such as high beam and daylight running lights, by regulating the power supply," said Tessnow, who will discuss the guidelines for operating these advanced switching halogen applications by using the low power DC or the PWM approach during his presentation. "Advances like this make forward lighting more efficient while eliminating the need for a second set of bulbs."

Since 1947, SAE World Congress has been the world's largest meeting and exposition devoted to automotive engineering and product technology. OSRAM SYLVANIA representatives engage with the industry's best and brightest automotive, technical and business talent to meet and exchange ideas concerning the future of automotive lighting technologies.

About OSRAM SYLVANIA

OSRAM SYLVANIA is the world leader in automotive lighting for original equipment manufacturers (OEMs) and the aftermarket. The company's global automotive lighting division has its principal North American operations in Hillsboro, N.H., with nearly 1,000 employees. In addition to TS 16949, this facility has also achieved ISO 9001 and 14001 certifications. OSRAM SYLVANIA along with its affiliate, OSRAM Opto Semiconductors, designs, develops, manufactures and markets world-class automotive light sources including auxiliary, advanced halogen, light emitting diodes (LEDs) and HID technologies for interior, exterior and forward lighting applications. Automotive applications for OEMs are marketed under the OSRAM brand while products for the aftermarket are sold under the SYLVANIA brand.

Headquartered in Danvers, Mass., OSRAM SYLVANIA is the North American operation of OSRAM GmbH. Together with our parent company, we are the second- largest lighting and materials enterprise in the world, serving customers in more than 140 countries. We manufacture and market a wide range of lighting products, including automotive, electronic and magnetic ballasts, and precision materials and components for industrial and commercial users, original equipment manufacturers and consumers, sold primarily under the SYLVANIA brand name, but also under the OSRAM brand. OSRAM SYLVANIA also offers lighting systems installation and maintenance services. For further information, please refer to our Web site at http://www.sylvania.com/ .

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