IMPROVEMENTS TO LIGHTING SYSTEMS

Details for Australian Patent Application No. 2001239803 (hide)

Owner CALLAHAN, Michael

Inventors CALLAHAN, Michael

Pub. Number AU-A-2001239803

PCT Pub. Number WO2002/067070

Filing date 20 February 2001

Wipo publication date 4 September 2002

International Classifications

G05F 001/00 Automatic systems in which deviations of an electric quantity from one or more predetermined values are detected at the output of the system and fed back to a device within the system to restore the detected quantity to its predetermined value or values, i.e. retroactive systems

H05B 041/16 Circuit arrangements or apparatus for igniting or operating discharge lamps - in which the lamp is fed by dc or by low-frequency ac, e.g. by 50 cycles/sec ac

G09G 003/28 Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes - using luminous gas-discharge panels, e.g. plasma

Event Publications

27 February 2003 Application Open to Public Inspection

  Published as AU-A-2001239803

12 February 2004 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired

  This application lapsed under section 142(2)(f)/See Reg. 8.3(3). Examination has not yet been requested or directed for this application. Note that applications or patents shown as lapsed or ceased may be restored at a later date.

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