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:
Jan. 22, 2013
Filed:
Jan. 25, 2008
Michael Hani, Bad Aibling, DE;
Michael Hani, Bad Aibling, DE;
OSRAM Gesellschaft mit beschraenkter Haftung, Munich, DE;
Abstract
An electronic ballast for a lamp has at least one dimming value control input and a control unit configured to set the dimming value of the lamp, wherein arranged downstream of the dimming value control input are: a signal output state detecting unit configured to acquire at least one of a signal output state in which the signal level of a signal fed to the dimming value control input overshoots a predetermined limit value, and a signal output state in which it undershoots a predetermined limit value, and a measuring unit configured to measure the duration of a signal output state, the control unit configured to set a dimming value of the lamp being configured to set the dimming value on the basis of the measured duration of the signal output state.