GB2185653B - Image recording method - Google Patents

Image recording method

Info

Publication number
GB2185653B
GB2185653B GB08700616A GB8700616A GB2185653B GB 2185653 B GB2185653 B GB 2185653B GB 08700616 A GB08700616 A GB 08700616A GB 8700616 A GB8700616 A GB 8700616A GB 2185653 B GB2185653 B GB 2185653B
Authority
GB
United Kingdom
Prior art keywords
image recording
recording method
image
recording
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.)
Expired
Application number
GB08700616A
Other versions
GB2185653A (en
GB8700616D0 (en
Inventor
Satoru Tomita
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ricoh Co Ltd
Original Assignee
Ricoh Co Ltd
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
Priority claimed from JP59005190A external-priority patent/JPH0719092B2/en
Priority claimed from JP519184A external-priority patent/JPS60149067A/en
Priority claimed from JP59011606A external-priority patent/JPS60154269A/en
Priority claimed from JP59011605A external-priority patent/JPS60154267A/en
Priority claimed from JP59011603A external-priority patent/JPS60154266A/en
Priority claimed from JP59011604A external-priority patent/JPH0719093B2/en
Application filed by Ricoh Co Ltd filed Critical Ricoh Co Ltd
Priority claimed from GB08500118A external-priority patent/GB2153182B/en
Publication of GB8700616D0 publication Critical patent/GB8700616D0/en
Publication of GB2185653A publication Critical patent/GB2185653A/en
Publication of GB2185653B publication Critical patent/GB2185653B/en
Application granted granted Critical
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/40—Picture signal circuits
    • H04N1/40081—Soft dot halftoning, i.e. producing halftone dots with gradual edges
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/024—Details of scanning heads ; Means for illuminating the original
    • H04N1/032—Details of scanning heads ; Means for illuminating the original for picture information reproduction
    • H04N1/036—Details of scanning heads ; Means for illuminating the original for picture information reproduction for optical reproduction
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/40—Picture signal circuits
    • H04N1/40025—Circuits exciting or modulating particular heads for reproducing continuous tone value scales
    • H04N1/40031—Circuits exciting or modulating particular heads for reproducing continuous tone value scales for a plurality of reproducing elements simultaneously
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/40—Picture signal circuits
    • H04N1/40025—Circuits exciting or modulating particular heads for reproducing continuous tone value scales
    • H04N1/40037—Circuits exciting or modulating particular heads for reproducing continuous tone value scales the reproducing element being a laser
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/04—Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa
    • H04N1/12—Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa using the sheet-feed movement or the medium-advance or the drum-rotation movement as the slow scanning component, e.g. arrangements for the main-scanning
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/04—Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa
    • H04N1/19—Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa using multi-element arrays
    • H04N1/191—Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa using multi-element arrays the array comprising a one-dimensional array, or a combination of one-dimensional arrays, or a substantially one-dimensional array, e.g. an array of staggered elements
    • H04N1/192—Simultaneously or substantially simultaneously scanning picture elements on one main scanning line
    • H04N1/193—Simultaneously or substantially simultaneously scanning picture elements on one main scanning line using electrically scanned linear arrays, e.g. linear CCD arrays
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N2201/00—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof
    • H04N2201/04—Scanning arrangements
    • H04N2201/0402—Arrangements not specific to a particular one of the scanning methods covered by groups H04N1/04 - H04N1/207
    • H04N2201/0458—Additional arrangements for improving or optimising scanning resolution or quality

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Exposure Or Original Feeding In Electrophotography (AREA)
  • Facsimile Scanning Arrangements (AREA)
  • Laser Beam Printer (AREA)
GB08700616A 1984-01-13 1985-01-03 Image recording method Expired GB2185653B (en)

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
JP59005190A JPH0719092B2 (en) 1984-01-13 1984-01-13 Image recording method
JP519184A JPS60149067A (en) 1984-01-13 1984-01-13 Recording method of image
JP59011605A JPS60154267A (en) 1984-01-24 1984-01-24 Image recording method
JP59011603A JPS60154266A (en) 1984-01-24 1984-01-24 Image recording method
JP59011606A JPS60154269A (en) 1984-01-24 1984-01-24 Image recording method
JP59011604A JPH0719093B2 (en) 1984-01-24 1984-01-24 Image recording method
GB08500118A GB2153182B (en) 1984-01-13 1985-01-03 Image recording method

Publications (3)

Publication Number Publication Date
GB8700616D0 GB8700616D0 (en) 1987-02-18
GB2185653A GB2185653A (en) 1987-07-22
GB2185653B true GB2185653B (en) 1988-06-15

Family

ID=27562720

Family Applications (3)

Application Number Title Priority Date Filing Date
GB08700614A Expired GB2185652B (en) 1984-01-13 1985-01-03 Image recording method
GB08700615A Expired GB2184914B (en) 1984-01-13 1985-01-03 Image recording method
GB08700616A Expired GB2185653B (en) 1984-01-13 1985-01-03 Image recording method

Family Applications Before (2)

Application Number Title Priority Date Filing Date
GB08700614A Expired GB2185652B (en) 1984-01-13 1985-01-03 Image recording method
GB08700615A Expired GB2184914B (en) 1984-01-13 1985-01-03 Image recording method

Country Status (1)

Country Link
GB (3) GB2185652B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1144290B1 (en) 1999-07-13 2004-10-20 Esatec Etudes Services Automatismes Techniques Method for unstacking sheets stacked in a feeder

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3438949C2 (en) * 1983-10-25 1994-03-10 Canon Kk Printing device

Also Published As

Publication number Publication date
GB2184914B (en) 1988-06-15
GB8700614D0 (en) 1987-02-18
GB2185652B (en) 1988-06-29
GB2185652A (en) 1987-07-22
GB8700615D0 (en) 1987-02-18
GB2185653A (en) 1987-07-22
GB8700616D0 (en) 1987-02-18
GB2184914A (en) 1987-07-01

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Legal Events

Date Code Title Description
PE20 Patent expired after termination of 20 years

Effective date: 20050102