JPS57112765A - Electrophotographic printer - Google Patents

Electrophotographic printer

Info

Publication number
JPS57112765A
JPS57112765A JP18721380A JP18721380A JPS57112765A JP S57112765 A JPS57112765 A JP S57112765A JP 18721380 A JP18721380 A JP 18721380A JP 18721380 A JP18721380 A JP 18721380A JP S57112765 A JPS57112765 A JP S57112765A
Authority
JP
Japan
Prior art keywords
scanning
period
light beam
signal
electrophotographic printer
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
JP18721380A
Other languages
Japanese (ja)
Inventor
Masao Konishi
Tatsuo Yoshitake
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.)
Fujitsu Ltd
Original Assignee
Fujitsu 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 Fujitsu Ltd filed Critical Fujitsu Ltd
Priority to JP18721380A priority Critical patent/JPS57112765A/en
Publication of JPS57112765A publication Critical patent/JPS57112765A/en
Pending 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
    • H04N1/12—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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Exposure Or Original Feeding In Electrophotography (AREA)
  • Dot-Matrix Printers And Others (AREA)
  • Laser Beam Printer (AREA)

Abstract

PURPOSE:To obtain an electrophotographic printer of a variable scanning density, by deflecting the light beam by an acoustic optical deflector, which is operated in accordance with a light beam scanning changing means which changes the scanning period, to scan a photosensitive drum. CONSTITUTION:When output signals from a facsimile FAX and a CPU are inputted, a video signal VID and scanning density designating signal DEN are generated from a control circuit CNTL. A laser LB modulated by this signal VID passes through an acoustic optical deflector CRY, where the scanning period is controlled by a scanning oscillator SSG of a printer PRT, to become a deflected scanning light of a prescribed period and scans a photosensitive drum, thus printing an electrophotograph. This oscillator SSG is controlled by a scanning signal SIG from a scanning control circuit operated in accordance with the signal DEN, and the light beam deflection period is adjusted to a desired value, and easy and high-precision electrophotographic printer of a variable scanning density is obtained with the constitution using no rotary mirrors.
JP18721380A 1980-12-29 1980-12-29 Electrophotographic printer Pending JPS57112765A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP18721380A JPS57112765A (en) 1980-12-29 1980-12-29 Electrophotographic printer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP18721380A JPS57112765A (en) 1980-12-29 1980-12-29 Electrophotographic printer

Publications (1)

Publication Number Publication Date
JPS57112765A true JPS57112765A (en) 1982-07-13

Family

ID=16202051

Family Applications (1)

Application Number Title Priority Date Filing Date
JP18721380A Pending JPS57112765A (en) 1980-12-29 1980-12-29 Electrophotographic printer

Country Status (1)

Country Link
JP (1) JPS57112765A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03106641U (en) * 1990-02-19 1991-11-05
US5277210A (en) * 1991-05-27 1994-01-11 Samsung Electronics Co., Ltd. Drying duct of dishwasher

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03106641U (en) * 1990-02-19 1991-11-05
US5277210A (en) * 1991-05-27 1994-01-11 Samsung Electronics Co., Ltd. Drying duct of dishwasher
US5341827A (en) * 1991-05-27 1994-08-30 Samsung Electronics Co., Ltd. Drying duct of dishwasher

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