GB1572621A - Exposure control for selective speed xerographic printing and the like - Google Patents

Exposure control for selective speed xerographic printing and the like Download PDF

Info

Publication number
GB1572621A
GB1572621A GB13161/77A GB1316177A GB1572621A GB 1572621 A GB1572621 A GB 1572621A GB 13161/77 A GB13161/77 A GB 13161/77A GB 1316177 A GB1316177 A GB 1316177A GB 1572621 A GB1572621 A GB 1572621A
Authority
GB
United Kingdom
Prior art keywords
printer
laser
recording medium
photoreceptor
document transmission
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
GB13161/77A
Other languages
English (en)
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.)
Xerox Corp
Original Assignee
Xerox 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 Xerox Corp filed Critical Xerox Corp
Publication of GB1572621A publication Critical patent/GB1572621A/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
    • H04N1/40—Picture signal circuits
    • H04N1/40025—Circuits exciting or modulating particular heads for reproducing continuous tone value scales
    • H04N1/4005—Circuits exciting or modulating particular heads for reproducing continuous tone value scales with regulating circuits, e.g. dependent upon ambient temperature or feedback control
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Fax Reproducing Arrangements (AREA)
  • Exposure Or Original Feeding In Electrophotography (AREA)
  • Laser Beam Printer (AREA)
  • Facsimile Scanning Arrangements (AREA)
  • Combination Of More Than One Step In Electrophotography (AREA)
GB13161/77A 1976-04-01 1977-03-29 Exposure control for selective speed xerographic printing and the like Expired GB1572621A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/672,706 US4197560A (en) 1976-04-01 1976-04-01 Exposure control for selective speed xerographic printing and the like

Publications (1)

Publication Number Publication Date
GB1572621A true GB1572621A (en) 1980-07-30

Family

ID=24699672

Family Applications (1)

Application Number Title Priority Date Filing Date
GB13161/77A Expired GB1572621A (en) 1976-04-01 1977-03-29 Exposure control for selective speed xerographic printing and the like

Country Status (6)

Country Link
US (1) US4197560A (enExample)
JP (1) JPS52120614A (enExample)
CA (1) CA1107808A (enExample)
FR (1) FR2346919A1 (enExample)
GB (1) GB1572621A (enExample)
NL (1) NL7702793A (enExample)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4319285A (en) * 1976-04-01 1982-03-09 Xerox Corporation Exposure control for selective speed xerographic printing and the like
US4249807A (en) * 1979-05-14 1981-02-10 The Gerber Scientific Instrument Company Color plotting device and method
JPS574780A (en) 1980-06-13 1982-01-11 Fuji Xerox Co Ltd Multilevel image printer
JPS58133081A (ja) * 1982-02-02 1983-08-08 Canon Inc 画像記録装置
JPS5974542A (ja) * 1982-10-22 1984-04-27 Hitachi Ltd プリンタ
US4583128A (en) * 1984-08-27 1986-04-15 Minnesota Mining And Manufacturing Company Continuous tone recording system incorporating feedback control circuit
US4803497A (en) * 1987-08-31 1989-02-07 Dr.-Ing. Rudolf Hell Gmbh Laser diode output power stabilization in a laser imagesetter
JP2002297346A (ja) * 2001-03-29 2002-10-11 Ricoh Co Ltd Ｓｂｃ対応プリンタ出力システム、ｓｂｃ対応プリンタ出力方法、該方法を実現するプログラム及び該プログラムのプログラム記録媒体

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB284285A (en) * 1927-01-27 1929-02-07 Heinrich Johannes Kuchen Meist Means for regulating the strength of sound in photo-electric reproduction from soundfilms
US2274530A (en) * 1940-08-24 1942-02-24 Rca Corp Automatic light intensity control for sound apparatus
US3105426A (en) * 1960-04-04 1963-10-01 Xerox Corp Xerographic apparatus
US3316348A (en) * 1963-05-01 1967-04-25 Perkin Elmer Corp Scanning system for recording pictorial data
US3245083A (en) * 1965-03-12 1966-04-05 Clevite Corp Direct writing oscillograph
US3354465A (en) * 1965-10-22 1967-11-21 Cons Electrodynamics Corp Constant density oscillograph trace
US3482254A (en) * 1967-12-06 1969-12-02 Telex Inc Apparatus for recording the time-variation of an electrical signal utilizing a pulsed laser
US3750189A (en) * 1971-10-18 1973-07-31 Ibm Light scanning and printing system
US3858004A (en) * 1973-05-17 1974-12-31 Xerox Corp Filter for selective speed xerographic printing in facsimile transceivers and the like

Also Published As

Publication number Publication date
CA1107808A (en) 1981-08-25
FR2346919B1 (enExample) 1983-10-14
US4197560A (en) 1980-04-08
NL7702793A (nl) 1977-10-04
FR2346919A1 (fr) 1977-10-28
JPS52120614A (en) 1977-10-11

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee