Method for driving an ultrasonic handpiece with a class D amplifier

Details for Australian Patent Application No. 2007201775 (hide)

Owner Alcon, Inc.

Inventors Nagarkar, Ajay; Salehi, Ahmad

Agent Phillips Ormonde Fitzpatrick

Pub. Number AU-B-2007201775

Priority 11/408,711 21.04.06 US

Filing date 20 April 2007

Wipo publication date 8 November 2007

Acceptance publication date 12 February 2009

International Classifications

A61F 9/007 (2006.01) Treatment or protection of the eyes or ears - Methods or devices for eye surgery

H03F 3/217 (2006.01) Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements

Event Publications

10 May 2007 Complete Application Filed

  Priority application(s): 11/408,711 21.04.06 US

8 November 2007 Application Open to Public Inspection

  Published as AU-B-2007201775

12 February 2009 Application Accepted

  Published as AU-B-2007201775

11 June 2009 Standard Patent Sealed

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