JPS57130064A - Picture recorder - Google Patents

Picture recorder

Info

Publication number
JPS57130064A
JPS57130064A JP56017092A JP1709281A JPS57130064A JP S57130064 A JPS57130064 A JP S57130064A JP 56017092 A JP56017092 A JP 56017092A JP 1709281 A JP1709281 A JP 1709281A JP S57130064 A JPS57130064 A JP S57130064A
Authority
JP
Japan
Prior art keywords
picture element
lda
time
laser diodes
tone
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.)
Granted
Application number
JP56017092A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0470635B2 (enrdf_load_stackoverflow
Inventor
Masaru Onishi
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.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric Corp
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 Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Priority to JP56017092A priority Critical patent/JPS57130064A/ja
Publication of JPS57130064A publication Critical patent/JPS57130064A/ja
Publication of JPH0470635B2 publication Critical patent/JPH0470635B2/ja
Granted 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
    • H04N1/405—Halftoning, i.e. converting the picture signal of a continuous-tone original into a corresponding signal showing only two levels
    • H04N1/4055—Halftoning, i.e. converting the picture signal of a continuous-tone original into a corresponding signal showing only two levels producing a clustered dots or a size modulated halftone pattern
    • H04N1/4056—Halftoning, i.e. converting the picture signal of a continuous-tone original into a corresponding signal showing only two levels producing a clustered dots or a size modulated halftone pattern the pattern varying in one dimension only, e.g. dash length, pulse width modulation [PWM]

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Dot-Matrix Printers And Others (AREA)
  • Printers Or Recording Devices Using Electromagnetic And Radiation Means (AREA)
  • Electrophotography Using Other Than Carlson'S Method (AREA)
  • Combination Of More Than One Step In Electrophotography (AREA)
  • Fax Reproducing Arrangements (AREA)
JP56017092A 1981-02-06 1981-02-06 Picture recorder Granted JPS57130064A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56017092A JPS57130064A (en) 1981-02-06 1981-02-06 Picture recorder

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56017092A JPS57130064A (en) 1981-02-06 1981-02-06 Picture recorder

Related Child Applications (2)

Application Number Title Priority Date Filing Date
JP18365192A Division JPH0691931A (ja) 1992-07-10 1992-07-10 画像記録装置
JP21034993A Division JPH0723007B2 (ja) 1993-08-25 1993-08-25 画像記録装置

Publications (2)

Publication Number Publication Date
JPS57130064A true JPS57130064A (en) 1982-08-12
JPH0470635B2 JPH0470635B2 (enrdf_load_stackoverflow) 1992-11-11

Family

ID=11934340

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56017092A Granted JPS57130064A (en) 1981-02-06 1981-02-06 Picture recorder

Country Status (1)

Country Link
JP (1) JPS57130064A (enrdf_load_stackoverflow)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59188271A (ja) * 1983-04-11 1984-10-25 Konishiroku Photo Ind Co Ltd ビ−ム走査式プリンタ−
JPS6021260A (ja) * 1983-07-15 1985-02-02 Nippon Telegr & Teleph Corp <Ntt> 階調記録方式
JPS6349463A (ja) * 1986-08-19 1988-03-02 Fujitsu Ltd 階調記録装置
JP2009061643A (ja) * 2007-09-05 2009-03-26 Casio Comput Co Ltd 露光装置及び画像形成装置
US7898562B2 (en) 2007-09-05 2011-03-01 Casio Computer Co., Ltd. Exposing device and image forming apparatus

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4925811A (enrdf_load_stackoverflow) * 1972-04-05 1974-03-07
JPS5234739A (en) * 1975-09-12 1977-03-16 Hitachi Ltd Light printer

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4925811A (enrdf_load_stackoverflow) * 1972-04-05 1974-03-07
JPS5234739A (en) * 1975-09-12 1977-03-16 Hitachi Ltd Light printer

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59188271A (ja) * 1983-04-11 1984-10-25 Konishiroku Photo Ind Co Ltd ビ−ム走査式プリンタ−
JPS6021260A (ja) * 1983-07-15 1985-02-02 Nippon Telegr & Teleph Corp <Ntt> 階調記録方式
JPS6349463A (ja) * 1986-08-19 1988-03-02 Fujitsu Ltd 階調記録装置
JP2009061643A (ja) * 2007-09-05 2009-03-26 Casio Comput Co Ltd 露光装置及び画像形成装置
US7898562B2 (en) 2007-09-05 2011-03-01 Casio Computer Co., Ltd. Exposing device and image forming apparatus
US8199182B2 (en) 2007-09-05 2012-06-12 Casio Computer Co., Ltd. Exposing device and image forming apparatus

Also Published As

Publication number Publication date
JPH0470635B2 (enrdf_load_stackoverflow) 1992-11-11

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