GB2115257B - Recording latent magnetic images at two different scanning line densities using common multichannel head - Google Patents

Recording latent magnetic images at two different scanning line densities using common multichannel head

Info

Publication number
GB2115257B
GB2115257B GB08235112A GB8235112A GB2115257B GB 2115257 B GB2115257 B GB 2115257B GB 08235112 A GB08235112 A GB 08235112A GB 8235112 A GB8235112 A GB 8235112A GB 2115257 B GB2115257 B GB 2115257B
Authority
GB
United Kingdom
Prior art keywords
scanning line
different scanning
line densities
latent magnetic
magnetic images
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
GB08235112A
Other languages
English (en)
Other versions
GB2115257A (en
Inventor
Kunio Kinoshita
Norio Kokaji
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.)
Iwatsu Electric Co Ltd
Original Assignee
Iwatsu Electric 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
Application filed by Iwatsu Electric Co Ltd filed Critical Iwatsu Electric Co Ltd
Publication of GB2115257A publication Critical patent/GB2115257A/en
Application granted granted Critical
Publication of GB2115257B publication Critical patent/GB2115257B/en
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
    • H04N1/04—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
    • H04N1/1911—Simultaneously or substantially simultaneously scanning picture elements on more than one main scanning line, e.g. scanning in swaths
    • H04N1/1912—Scanning main scanning lines which are spaced apart from one another in the sub-scanning direction
    • 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
    • H04N1/0326—Magnetic heads
    • 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
    • H04N1/0402—Scanning different formats; Scanning with different densities of dots per unit length, e.g. different numbers of dots per inch (dpi); Conversion of scanning standards

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Printers Or Recording Devices Using Electromagnetic And Radiation Means (AREA)
  • Fax Reproducing Arrangements (AREA)
GB08235112A 1981-12-25 1982-12-09 Recording latent magnetic images at two different scanning line densities using common multichannel head Expired GB2115257B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP20905181A JPS58111482A (ja) 1981-12-25 1981-12-25 潜像形成方法および装置

Publications (2)

Publication Number Publication Date
GB2115257A GB2115257A (en) 1983-09-01
GB2115257B true GB2115257B (en) 1985-11-27

Family

ID=16566434

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08235112A Expired GB2115257B (en) 1981-12-25 1982-12-09 Recording latent magnetic images at two different scanning line densities using common multichannel head

Country Status (3)

Country Link
JP (1) JPS58111482A (enrdf_load_stackoverflow)
DE (1) DE3247103A1 (enrdf_load_stackoverflow)
GB (1) GB2115257B (enrdf_load_stackoverflow)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5432340A (en) * 1977-08-17 1979-03-09 Mitsubishi Electric Corp Optical circuit element
JPS5660317A (en) * 1979-10-23 1981-05-25 Ohkura Electric Co Ltd Dotting mechansim for multidot recorder
JPS57176079A (en) * 1981-04-21 1982-10-29 Iwatsu Electric Co Ltd Forming device for latent image

Also Published As

Publication number Publication date
GB2115257A (en) 1983-09-01
DE3247103A1 (de) 1983-07-28
JPS6257136B2 (enrdf_load_stackoverflow) 1987-11-30
JPS58111482A (ja) 1983-07-02
DE3247103C2 (enrdf_load_stackoverflow) 1987-10-22

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19941209