USB239289I5 - - Google Patents

Info

Publication number
USB239289I5
USB239289I5 US23928972A USB239289I5 US B239289 I5 USB239289 I5 US B239289I5 US 23928972 A US23928972 A US 23928972A US B239289 I5 USB239289 I5 US B239289I5
Authority
US
United States
Prior art keywords
color
correction
attained
carriers
fine
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
Other languages
English (en)
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed filed Critical
Publication of USB239289I5 publication Critical patent/USB239289I5/en
Application granted granted Critical
Publication of US3922711A publication Critical patent/US3922711A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/46Colour picture communication systems
    • H04N1/48Picture signal generators
    • H04N1/486Picture signal generators with separate detectors, each detector being used for one specific colour component
    • H04N1/488Picture signal generators with separate detectors, each detector being used for one specific colour component using beam-splitters
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/46Colour picture communication systems
    • H04N1/56Processing of colour picture signals
    • H04N1/60Colour correction or control
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/46Colour picture communication systems
    • H04N1/64Systems for the transmission or the storage of the colour picture signal; Details therefor, e.g. coding or decoding means therefor
    • H04N1/648Transmitting or storing the primary (additive or subtractive) colour signals; Compression thereof

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Facsimile Image Signal Circuits (AREA)
  • Color Image Communication Systems (AREA)
  • Color Television Image Signal Generators (AREA)
  • Facsimile Scanning Arrangements (AREA)
US239289A 1968-01-06 1972-03-29 Color signal correction in a color facsimile Expired - Lifetime US3922711A (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
JP102568 1968-01-06
JP2596168 1968-04-18
JP2596068 1968-04-18
JP2595968 1968-04-18
JP2898368 1968-04-26

Publications (2)

Publication Number Publication Date
USB239289I5 true USB239289I5 (enrdf_load_stackoverflow) 1975-01-28
US3922711A US3922711A (en) 1975-11-25

Family

ID=27518044

Family Applications (1)

Application Number Title Priority Date Filing Date
US239289A Expired - Lifetime US3922711A (en) 1968-01-06 1972-03-29 Color signal correction in a color facsimile

Country Status (5)

Country Link
US (1) US3922711A (enrdf_load_stackoverflow)
DE (1) DE1900266B2 (enrdf_load_stackoverflow)
FR (1) FR1601369A (enrdf_load_stackoverflow)
GB (1) GB1255489A (enrdf_load_stackoverflow)
NL (1) NL6900149A (enrdf_load_stackoverflow)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2526409C3 (de) * 1975-06-13 1979-08-09 Dr.-Ing. Rudolf Hell Gmbh, 2300 Kiel Verfahren zur Eichung einer eine fotomechanische Druckform erzeugenden Aufzeichnungseinheit
US4216495A (en) * 1978-03-10 1980-08-05 Eltra Corporation Electro-optical scanning
US4318122A (en) * 1980-10-06 1982-03-02 International Business Machines Corporation Electronic color separation
GB2119600B (en) * 1982-04-14 1986-04-23 Fuji Photo Film Co Ltd Method and apparatus for digital color correction
US4680625A (en) * 1984-07-18 1987-07-14 Konishiroku Photo Industry Co., Ltd. Method and apparatus for multicolor image forming
DE3539540A1 (de) * 1984-11-08 1986-05-22 Canon K.K., Tokio/Tokyo Farbbildbehandlungsverfahren
JP3368890B2 (ja) * 2000-02-03 2003-01-20 日亜化学工業株式会社 画像表示装置およびその制御方法
US6806856B2 (en) * 2001-08-09 2004-10-19 Microsoft Corporation Reflective displays with color filter cross-talk compensation
JP2004264749A (ja) * 2003-03-04 2004-09-24 Canon Inc 画像形成装置、画像処理装置、及びその制御方法
US7965322B2 (en) * 2008-04-25 2011-06-21 Nokia Corporation Color correction on an image

Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2316581A (en) * 1941-08-05 1943-04-13 Interchem Corp Method and apparatus for making separation images for four-color reproduction
US2434561A (en) * 1944-07-08 1948-01-13 Interchem Corp Color facsimile
US2727940A (en) * 1951-06-12 1955-12-20 Time Inc Electronic masking method and apparatus
US2863938A (en) * 1954-06-16 1958-12-09 Technicolor Motion Picture Printing timer
US2879326A (en) * 1952-08-27 1959-03-24 Eastman Kodak Co Black printer for electro-optical reproduction
US2932691A (en) * 1955-06-14 1960-04-12 Time Inc Circuit for altering intelligence to carrier signal ratio
US2939908A (en) * 1956-07-20 1960-06-07 Rca Corp Color correction system
US2947805A (en) * 1955-06-15 1960-08-02 Time Inc Four color reproducing method and apparatus
US2968214A (en) * 1954-11-18 1961-01-17 Hunter Penrose Ltd Modification of the light response from a coloured original
US2981792A (en) * 1957-10-31 1961-04-25 Fairchild Camera Instr Co Color correction computer for engraving machines
US3098895A (en) * 1958-12-02 1963-07-23 Hazeltine Research Inc Electronic previewer for televised color pictures
US3557303A (en) * 1967-12-22 1971-01-19 Printing Dev Inc Cathode ray tube scanning systems with spot and area scanning

Patent Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2316581A (en) * 1941-08-05 1943-04-13 Interchem Corp Method and apparatus for making separation images for four-color reproduction
US2434561A (en) * 1944-07-08 1948-01-13 Interchem Corp Color facsimile
US2727940A (en) * 1951-06-12 1955-12-20 Time Inc Electronic masking method and apparatus
US2879326A (en) * 1952-08-27 1959-03-24 Eastman Kodak Co Black printer for electro-optical reproduction
US2863938A (en) * 1954-06-16 1958-12-09 Technicolor Motion Picture Printing timer
US2968214A (en) * 1954-11-18 1961-01-17 Hunter Penrose Ltd Modification of the light response from a coloured original
US2932691A (en) * 1955-06-14 1960-04-12 Time Inc Circuit for altering intelligence to carrier signal ratio
US2947805A (en) * 1955-06-15 1960-08-02 Time Inc Four color reproducing method and apparatus
US2939908A (en) * 1956-07-20 1960-06-07 Rca Corp Color correction system
US2981792A (en) * 1957-10-31 1961-04-25 Fairchild Camera Instr Co Color correction computer for engraving machines
US3098895A (en) * 1958-12-02 1963-07-23 Hazeltine Research Inc Electronic previewer for televised color pictures
US3557303A (en) * 1967-12-22 1971-01-19 Printing Dev Inc Cathode ray tube scanning systems with spot and area scanning

Also Published As

Publication number Publication date
US3922711A (en) 1975-11-25
DE1900266A1 (de) 1969-07-24
NL6900149A (enrdf_load_stackoverflow) 1969-07-08
DE1900266B2 (de) 1971-12-30
GB1255489A (en) 1971-12-01
FR1601369A (enrdf_load_stackoverflow) 1970-08-17

Similar Documents

Publication Publication Date Title
FR1601369A (enrdf_load_stackoverflow)
CA924649A (en) Electronic halftone image generator
AU425393B2 (en) Colour television receiver fora signal witha frequency-modulated colour carrier
AU410057B2 (en) Demodulation circuit for signals ofa colour television system
YU17972A (en) Circuit for generating an alternating reference colour signal carrier at a pal colour tv receiver
AU467429B2 (en) Circuit for generating operating direct currents ina television receiver
AU425394B2 (en) Pal colour carrier modulation circuit
AU425469B2 (en) Modulation circuit fora colour carrier
ES373016A1 (es) Un transmisor de senales de television moduladas positiva- mente.
AU266768B2 (en) Demodulation circuit with synchronous demodulators for colour television signals
CA787008A (en) Halftone image generator system
CA728786A (en) Amplitude modulating circuit arrangements
CA785978A (en) Subcarrier generator for colour television
CA736046A (en) Frequency-shift carrier telegraph system
GB986152A (en) Apparatus for correction of half-tone color images
AU436392B2 (en) Color subcarrier oscillators
AU281843B2 (en) Demodulation circuit for signals ofa colour television system
AU2942163A (en) Demodulation circuit with synchronous demodulators for colour television signals
AU281085B2 (en) Demodulation circuit for colour television signals
CA760115A (en) Color television receiver for single-sideband signals
CA778002A (en) Color television signal generating apparatus
AU421244B2 (en) Halftone image generator system
CA799392A (en) Carbon black process
AU411595B2 (en) Halftone image generator system
CA764033A (en) Modulated scanning system