Apparatus and method for encoding and computing a discrete cosine transform using a butterfly processor

Details for Australian Patent Application No. 2002259268 (hide)

Owner Qualcomm Incorporated

Inventors Irvine, Chris A.; Levin, Jeffrey A.; Larocca, Judith

Agent Madderns

Pub. Number AU-B-2002259268

PCT Pub. Number WO2002/093359

Priority 60/291,467 16.05.01 US; 09/876,789 06.06.01 US

Filing date 15 May 2002

Wipo publication date 25 November 2002

Acceptance publication date 29 November 2007

International Classifications

G06F 17/14 (2006.01) Digital computing or data processing equipment or methods, specially adapted for specific functions - Fourier, Walsh or analogous domain transformations

G06F 7/00 (2006.01) Methods or arrangements for processing data by operating upon the order or content of the data handled

G06T 9/00 (2006.01) Image coding, e.g. from bit-mapped to non bit-mapped

H03M 7/30 (2006.01) Conversion of a code where information is represented by a given sequence or number of digits to a code where the same information is represented by a different sequence or number of digits - Compression

H04N 1/32 (2006.01) Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission - Circuits or arrangements for control or supervision between transmitter and receiver

H04N 1/41 (2006.01) Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission - Bandwidth or redundancy reduction

H04N 7/12 (2006.01) Television systems - Systems in which the television signal is transmitted one channel or a plurality of parallel channels, the bandwidth of each channel being less than the bandwidth of the television signal

H04N 7/30 (2006.01) Television systems - involving transform coding

H04N 7/50 (2006.01) Television systems - involving transform and predictive coding

Event Publications

1 May 2003 Application Open to Public Inspection

  Published as AU-B-2002259268

29 November 2007 Application Accepted

  Published as AU-B-2002259268

21 February 2008 Application for Amendment

  The nature of the amendment is as shown in the statement(s) filed 08 Jan 2008. Address for service in Australia - Madderns 1st Floor 64 Hindmarsh Square Adelaide SA 5000

3 April 2008 Standard Patent Sealed

3 July 2008 Amendment Made

  The nature of the amendment is as shown in the statement(s) filed 08 Jan 2008

8 December 2011 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired

  This patent ceased under section 143(a), or Expired. Note that applications or patents shown as lapsed or ceased may be restored at a later date.

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