Validity Report
Basic Report
US6641053B1 — Foreground/background document processing with dataglyphs
Priority Date: 2002-10-16, Publication Date: 2003-11-04, Current Assignee: BASSFIELD IP LLCReport Generated: 2022-09-30
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Patent Id
Score
Title
Patent Type
Publication Date
Priority Date
Search Efficiency
Original Assignee
Current Assignee
US8508793B2●●●●●System and method for calibrating a document processing device from a composite documentGRANT2013-08-132002-10-16GreatXerox CorpXerox Corp
EP0469868A2●●●●●Binary image processing for decoding self-clocking glyph shape codesGRANT1992-02-051990-07-31GreatXerox CorpXerox Corp
EP0469864A2●●●●●Method of encoding digital informationGRANT1992-02-051990-07-31GreatXerox CorpXerox Corp
US5091966A●●●●●Adaptive scaling for decoding spatially periodic self-clocking glyph shape codesGRANT1992-02-251990-07-31GreatXerox CorpXerox Corp
US5128525A●●●●●Convolution filtering for decoding self-clocking glyph shape codesGRANT1992-07-071990-07-31GreatXerox CorpXerox Corp
USRE38758E1●●●●●Self-clocking glyph shape codesGRANT2005-07-191990-07-31GreatXerox CorpXerox Corp
EP1319520A2●●●●●Method and apparatus for embedding encrypted images of signatures and other data on checksGRANT2003-06-182001-12-14GreatXerox CorpXerox Corp
US5221833A●●●●●Methods and means for reducing bit error rates in reading self-clocking glyph codesGRANT1993-06-221991-12-27GreatXerox CorpXerox Corp
EP0660261A2●●●●●Explicit synchronization for self-clocking glyph codesGRANT1995-06-281993-12-22GreatXerox CorpXerox Corp
EP0549315A1●●●●●Method of encoding multi-bit digital informationGRANT1993-06-301991-12-27GreatXerox CorpXerox Corp
EP0660260A2●●●●●Global addressability for self-clocking glyph codesGRANT1995-06-281993-12-22GreatXerox CorpXerox Corp
US5862255A●●●●●Broad bandwidth image domain communication channel with symbol interference suppressionGRANT1999-01-191996-06-18GreatXerox CorpXerox Corp
US5449896A●●●●●Random access techniques for use with self-clocking glyph codesGRANT1995-09-121993-12-22GreatXerox CorpXerox Corp
US6182901B1●●●●●Orientational disambiguation for self-clocking glyph codesGRANT2001-02-061993-12-22GreatXerox CorpXerox Corp
US5521372A●●●●●Framing codes for robust synchronization and addressing of self-clocking glyph codesGRANT1996-05-281993-12-22GreatXerox CorpXerox Corp
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Predictive Analytics

Composite Research Score (1-10)
9
  HARD
Art VolumeMEDIUM
Tech ComplexityINTRICATE
Priority DateEARLY
Tech DiversityBROAD
Expert Services Estimate$4,950 — $5,400
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Preview CPC Technology Profile

Possible Classes
891
Recommended Classes
223
Government Assigned Classes
9
CPC
Title
Score
G06T11/60Editing figures and text| Combining figures or text●●●●●
G06K7/143Glyph-codes●●●●●
G06K19/06037multi-dimensional coding●●●●●
H04N1/32133on the same paper sheet  e.g. a facsimile page header●●●●●
H04N1/405Halftoning  i.e. converting the picture signal of a continuous-tone original into a corresponding signal showing only two levels●●●●●
H04N1/32203Spatial or amplitude domain methods | (ref: H04N1/32309)|  takes precedence●●●●●
H04N1/00355Mark-sheet input | sensing record carriers | (ref: G06K7/00)| | recognising printed or written characters | (ref: G06K9/00)●●●●●
B42D25/29Securities| Bank notes●●●●●
G06T1/0028Adaptive watermarking  e.g. Human Visual System [HVS]-based watermarking●●●●●
G06T3/0068for image registration  e.g. elastic snapping●●●●●
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