IP Library › Granted Patent US 6,725,111
Granted Patent Utility
US 6,725,111 · Confirmation No. 8376

METHOD FOR PROCESSING AND REPRODUCING AUDIO SIGNAL AT DESIRED SOUND QUALITY, REDUCED DATA VOLUME OR ADJUSTED OUTPUT LEVEL, APPARATUS FOR PROCESSING AUDIO SIGNAL WITH SOUND QUALITY CONTROL INFORMATION OR TEST TONE SIGNAL OR AT REDUCED DATA VOLUME, RECORDING MEDIUM F

Patented Case View Patent ↗ View Publication ↗
⬇ PDF
 Code Description Pages PDF
2017-03-17 C.AD.PAIR Change of Address via Patent Application Information Retrieval (PAIR) 1 View
2017-03-17 C.AD.PAIR Change of Address via Patent Application Information Retrieval (PAIR) 1 View
2003-10-16 IFEE Issue Fee Payment (PTO-85B) 1 View
2003-10-10 A... Amendment/Request for Reconsideration-After Non-Final Rejection 1 View
2003-10-10 CLM Claims 1 View
2003-10-10 REM Applicant Arguments/Remarks Made in an Amendment 1 View
2003-10-10 CLM Claims 3 View
2003-10-10 LET. Miscellaneous Incoming Letter 1 View
2003-10-10 A... Amendment/Request for Reconsideration-After Non-Final Rejection 1 View
2003-10-10 REM Applicant Arguments/Remarks Made in an Amendment 1 View
2003-10-10 CLM Claims 4 View
2003-10-10 LET. Miscellaneous Incoming Letter 1 View
2002-02-04 TRNA Transmittal of New Application 1 View
2002-02-04 A.PE Preliminary Amendment 5 View
2002-02-04 SPEC Specification 74 View
2002-02-04 CLM Claims 43 View
2002-02-04 ABST Abstract 1 View
2002-02-04 DRW Drawings-only black and white line drawings 18 View
2002-02-04 OATH Oath or Declaration filed 3 View
Monitor This Case
Get email alerts when status or documents change.
Order Certified Copies
Most orders are placed with the USPTO same day — all within 24 business hours.
Order via The Patent Place →
Pre-filled with this application's details
Quick Facts
Patent No.
US 6,725,111
App. No.
10/067,084
Filed
2002-02-04
Granted
2004-04-20
Pub. No.
US20030144755A1
Examiner
MEI, XU
Art Unit
2644
PTA
-122 days