ClassID:

229084

H04N1/32261 - CPC Classification

Classification description:

Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof; Circuits or arrangements for control or supervision between transmitter and receiver or between image input and image output device, e.g. between a still-image camera and its memory or between a still-image camera and a printer device; Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title embedded in the image data, i.e. enclosed or integrated in the image, e.g. watermark, super-imposed logo or stamp; Methods relating to embedding, encoding, decoding, detection or retrieval operations; Spatial or amplitude domain methods in binary data

Recent Application in this class:
#1
20260017653
2026-01-15

METHOD FOR BUILDING A BLOCKCHAIN

#2
20230237479
2023-07-27

A METHOD FOR BUILDING A BLOCKCHAIN

#3
20210127038
2021-04-29

Image processing apparatus

#4
20170339303
2017-11-23

Information processing apparatus and data arrangement method for creating an electronic watermark

#5
20170230533
2017-08-10

Sparse modulation for robust signaling and synchronization

#6
20170144470
2017-05-25

Hybrid vector/bitmap printed warped security feature

#7
20150146262
2015-05-28

Embedding information in paper forms

#8
20140376058
2014-12-25

Printing apparatus and printing control method for determining whether and where to print a watermark relative to print data

#9
20140022603
2014-01-23

Variable data image watermarking using infrared sequence structures in black separation

#10
20140010404
2014-01-09

Watermarking different areas of digital images with different intensities

#11
20120051582
2012-03-01

Mapping based message encoding for fast reliable visible watermarking

#12
20120045088
2012-02-23

Watermarking different areas of digital images with different intensities

#13
20110170133
2011-07-14

IMAGE FORMING APPARATUS, METHOD OF FORMING IMAGE AND METHOD OF AUTHENTICATING DOCUMENT

#14
20110141530
2011-06-16

Embedding information using modulated periodic line patterns

#15
20110085209
2011-04-14

Methods and apparatus for watermarking digitally printed documents

#16
20110058707
2011-03-10

Digital watermarks

#17
20110013802
2011-01-20

Content objects with computer instructions steganographically encoded therein, and associated methods

#18
20110002503
2011-01-06

Identification documents and authentication of such documents

#19
20100322035
2010-12-23

Audio-based, location-related methods

#20
20100310118
2010-12-09

Printing media and methods employing digital watermarking

#21
20100284564
2010-11-11

Steganographic encoding

#22
20100284563
2010-11-11

Watermarking different areas of digital images with different intensities

#23
20100226529
2010-09-09

Methods and apparatus to process imagery or audio content

#24
20100164984
2010-07-01

Method for embedding messages into documents using distance fields

#25
20100158311
2010-06-24

Electronic watermark embedding device, electronic watermark detecting device, and programs therefor

#26
20100138012
2010-06-03

Methods and devices responsive to ambient audio

#27
20100119108
2010-05-13

Methods and arrangements for composing information-carrying artwork

#28
20100054529
2010-03-04

Methods for Extracting Identifying Information From Video and Audio Content

#29
20100046744
2010-02-25

Methods and devices responsive to ambient audio

#30
20100036881
2010-02-11

Portable audio appliance

#31
20090324104
2009-12-31

Hidden image identification system, products, identification device and producing method

#32
20090201556
2009-08-13

Apparatus, system, and method for identifying embedded information

#33
20090180665
2009-07-16

Steganographic encoding

#34
20090136149
2009-05-28

Image processing apparatus, image processing method, computer-readable medium and computer data signal

#35
20090121471
2009-05-14

METHOD AND SYSTEM FOR PRODUCING DOCUMENTS, WEBSITES, AND THE LIKE HAVING SECURITY FEATURES

#36
20090097750
2009-04-16

Image processing apparatus

#37
20090052735
2009-02-26

Methods and apparatus to process video and audio media

#38
20090046850
2009-02-19

General data hiding framework using parity for minimal switching

#39
20080260267
2008-10-23

System and method for generating a signed hardcopy document and authentication thereof

#40
20080095397
2008-04-24

Digital watermarks

#41
20080088881
2008-04-17

Methods and apparatus for watermarking digitally printed documents

#42
20080028223
2008-01-31

Visual content-based internet search methods and sub-combinations

#43
20070195992
2007-08-23

Imaging forming apparatus and copy management system

#44
20070185840
2007-08-09

Audio-based internet search methods and sub-combinations

#45
20070177760
2007-08-02

Media and methods employing steganographic marking

#46
20070127771
2007-06-07

Image processing apparatus and method

#47
20070114788
2007-05-24

Identification documents and authentication of such documents

#48
20070110274
2007-05-17

Steganographically encoding metallic, shiny or specular surfaces

#49
20070092102
2007-04-26

Software and method for embedding data in two color images

#50
20070079124
2007-04-05

Stowable mezzanine bed

#51
20070047766
2007-03-01

Methods for steganographic encoding media

#52
20070047765
2007-03-01

Methods and apparatus to process media

#53
20070041608
2007-02-22

Watermark information embedding apparatus, image processing device, watermark information embedding method and image processing method

#54
20070031000
2007-02-08

Digital watermarks

#55
20070013955
2007-01-18

Print controlling program and print system for transparent-printing second print data in superposition on first print data

#56
20070005977
2007-01-04

Watermark information detection method

#57
20060257002
2006-11-16

System and method for data hiding using inter-word space modulation

#58
20060236112
2006-10-19

Watermark information embedding device and method, watermark information detecting device and method, watermarked document

#59
20060210109
2006-09-21

Multiple watermarks in content

#60
20060174348
2006-08-03

Methods and devices responsive to ambient audio

#61
20060165256
2006-07-27

Physical objects and validation of physical objects

#62
20060140441
2006-06-29

Watermarking different areas of digital images with different intensities

#63
20050286088
2005-12-29

Printing apparatus, printing system, and printing control method for printing a watermark on a receipt along with print data sent from a host apparatus

#64
20050254684
2005-11-17

Methods for steganographic encoding media

#65
20050152578
2005-07-14

Printing media and methods employing digital watermarking

#66
20050141940
2005-06-30

Method of incorporating a secondary image into a primary image

#67
20050111047
2005-05-26

Printer driver separately applying watermark and information

#68
20050031159
2005-02-10

Content objects with computer instructions steganographically encoded therein, and associated methods

#69
20050018874
2005-01-27

Methods and apparatus to produce security documents

#70
20050008189
2005-01-13

Self validating security documents utilizing watermarks

#71
15600676
2020-06-16

Encoding and decoding digital signals in conductive ink structures