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:
May. 21, 2019
Filed:
Jan. 12, 2018
Dialog Semiconductor (Uk) Limited, London, GB;
Chi-Chia Huang, Hsinchu, TW;
Dialog Semiconductor (UK) Limited, London, GB;
Abstract
A current regulator for a flash LED driver is presented. An apparatus and method for a current regulator that provides a current and exhibits good noise rejection is presented. A current regulator for regulating a current through a circuit element contains a first node at a first voltage, the current through the circuit element being dependent on the first voltage and a positive feedback loop coupled to the first node, The positive feedback loop is arranged to provide a signal to remove a voltage shift from the first voltage in response to a decrease or increase of the first voltage by the voltage shift.
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