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:
Oct. 04, 2011
Filed:
May. 12, 2008
Nozomu Tanioka, Azumino, JP;
Nozomu Tanioka, Azumino, JP;
Harmonic Drive Systems Inc., Tokyo, JP;
Abstract
A scanner driver of a galvanometric scanner system includes an analog drive circuit; a control unitfor storing and holding optimized data formed from combinations of optimal values of circuit constants set in advance in accordance with a plurality of drive modes of a galvanometric scanner; and an electronic trimmer for changing the circuit constants of the analog drive circuit. The control unit selects one of the optimized data in accordance with an external input, and sets or updates parameters of the circuit constants via the electronic trimmer in accordance with the selected optimized data. When a drive mode of the galvanometric scanner system is changed, the scanner driver can accordingly be optimized readily and quickly.
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