Output stage for a hearing aid and method of driving output stage

Details for Australian Patent Application No. 2005209787 (hide)

Owner Widex A/S

Inventors Jensen, Lars Baekgaard

Agent FB Rice

Pub. Number AU-B-2005209787

PCT Pub. Number WO2005/076664

Priority PA200400188 08.02.04 DK

Filing date 4 February 2005

Wipo publication date 18 August 2005

Acceptance publication date 8 January 2009

International Classifications

H04R 25/00 (2006.01) Deaf-aid sets

H03F 1/02 (2006.01) Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements - Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation

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

Event Publications

7 September 2006 PCT application entered the National Phase

  PCT publication WO2005/076664 Priority application(s): WO2005/076664

8 January 2009 Application Accepted

  Published as AU-B-2005209787

7 May 2009 Standard Patent Sealed

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