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:
Apr. 17, 2001
Filed:
Feb. 26, 1999
Frank Jansa, Frankfurt, DE;
Helmut Olbrich, Darmstadt, DE;
Heinrich Noll, Gross-Umstadt, DE;
Michael Vogel, Frankfurt, DE;
Mannesmann Vdo AG, Frankfurt, DE;
Abstract
In order to code its light intensity class, a light-emitting diode (,) has a number of contact elements (,) which are connected to series resistors (,) situated outside a physical unit comprising the contact elements (,), a connection element (,) and the light-emitting diode (,). Depending on the code, series resistors (,) are combined and thus compensate for the fluctuations in light intensity which are unavoidable in light-emitting diode manufacture. The light-emitting diode (,) is therefore automatically connected to the requisite series resistor (,) by connecting the connection element (,).