The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 30, 2010
Filed:
Feb. 02, 2007
Kuno Straub, Freising, DE;
Thomas Tille, München, DE;
Kuno Straub, Freising, DE;
Thomas Tille, München, DE;
Bayerische Motoren Werke Aktiengesellschaft, Munich, DE;
Abstract
A radiation source for an optical sensor arrangement has an incandescent lamp being switched by a semiconductor switch. The incandescent lamp emits a broadband light spectrum. The semiconductor switch has a control terminal driven by a control signal to switch a connection of the incandescent lamp to a supply voltage. The semiconductor switch has a first terminal which is connected to the incandescent lamp, and a second terminal which is connected to a reference potential. When the semiconductor switch is in an on state, a current path is formed between the first and second terminals. A capacitor is connected between the control terminal and the first terminal. A first resistor connects the control terminal to the control signal and a second resistor or capacitor connects the control terminal to the reference potential.