IP Library Granted Patent US 6,795,265
Granted Patent Utility
US 6,795,265 · Confirmation No. 9436

CLOSED LOOP CHARGE MODE DRIVE FOR PIEZO ACTUATORS USING A DC RESTORE AMPLIFIER

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Code Description Pages PDF
2004-08-06 IFEE Issue Fee Payment (PTO-85B) 1 View
2004-08-06 LET. Miscellaneous Incoming Letter 1 View
2004-08-06 DRW Drawings-only black and white line drawings 6 View
2001-08-29 TRNA Transmittal of New Application 3 View
2001-08-29 DRW Drawings-only black and white line drawings 6 View
2001-06-08 TRNA Transmittal of New Application 1 View
2001-06-08 SPEC Specification 11 View
2001-06-08 CLM Claims 4 View
2001-06-08 ABST Abstract 1 View
2001-06-08 DRW Drawings-only black and white line drawings 8 View
2001-06-08 OATH Oath or Declaration filed 3 View
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Quick Facts
Patent No.
US 6,795,265
App. No.
09/877,675
Filed
2001-06-08
Granted
2004-09-21
Pub. No.
US20020085303A1
Examiner
TZENG, FRED
Art Unit
2651
PTA
-81 days