Amplifier modulation

Details for Australian Patent Application No. 2002334917 (hide)

Owner 3M Innovative Properties Company

Inventors Jesme, Ronald D

Agent Freehills

Pub. Number AU-B-2002334917

PCT Number PCT/US02/32170

PCT Pub. Number WO2003/034316

Priority 09/978,329 15.10.01 US

Filing date 8 October 2002

Wipo publication date 28 April 2003

Acceptance publication date 24 April 2008

International Classifications

G06K 19/07 (2006.01) Record carriers for use with machines and with at least a part designed to carry digital markings - with integrated circuit chips

G06K 7/00 (2006.01) Methods or arrangements for sensing record carriers

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

H03F 3/24 (2006.01) Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements

H04L 27/02 (2006.01) Modulated-carrier systems - Amplitude-modulated carrier systems, e.g. using on/off keying

Event Publications

13 February 2003 Complete Application Filed

  Priority application(s): 09/978,329 15.10.01 US

3 July 2003 Application Open to Public Inspection

  Published as AU-B-2002334917

24 April 2008 Application Accepted

  Published as AU-B-2002334917

21 August 2008 Standard Patent Sealed

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