JPH01128348U - - Google Patents

Info

Publication number
JPH01128348U
JPH01128348U JP2308988U JP2308988U JPH01128348U JP H01128348 U JPH01128348 U JP H01128348U JP 2308988 U JP2308988 U JP 2308988U JP 2308988 U JP2308988 U JP 2308988U JP H01128348 U JPH01128348 U JP H01128348U
Authority
JP
Japan
Prior art keywords
image
forming apparatus
image forming
color
scanning start
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
JP2308988U
Other languages
Japanese (ja)
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 filed Critical
Priority to JP2308988U priority Critical patent/JPH01128348U/ja
Publication of JPH01128348U publication Critical patent/JPH01128348U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Laser Beam Printer (AREA)
  • Mechanical Optical Scanning Systems (AREA)
  • Color Electrophotography (AREA)
  • Fax Reproducing Arrangements (AREA)

Description

【図面の簡単な説明】[Brief explanation of drawings]

第１図は本考案実施例の概略構成図、第２図は
ポリゴンミラーの斜視図、第３図は本考案の他の
実施例の概略構成図、第４図は従来の一般的な光
ビーム走査装置の斜視図である。 ２２…半導体レーザ、３０，３０′…ポリゴン
ミラー、３２…ｆθレンズ、４０，７６，７８，
８０…感光ドラム、４８，５０，８２，８４，８
６…現像装置、６０，６２，８８，９０，９２…
ＳＯＳ、６４…制御手段。 Figure 1 is a schematic configuration diagram of an embodiment of the present invention, Figure 2 is a perspective view of a polygon mirror, Figure 3 is a schematic diagram of another embodiment of the invention, and Figure 4 is a conventional general light beam. FIG. 2 is a perspective view of the scanning device. 22... Semiconductor laser, 30, 30'... Polygon mirror, 32... fθ lens, 40, 76, 78,
80...Photosensitive drum, 48, 50, 82, 84, 8
6...Developing device, 60, 62, 88, 90, 92...
SOS, 64...control means.

Claims (1)

【実用新案登録請求の範囲】 一つのレーザ光源を複数のイメージの画像信号
により時分割で交互に変調して電子写真部に入力
し、複数色の画像を形成する画像形成装置におい
て、 レーザビーム分離手段により分離されたそれぞ
れの光路上の特定位置に走査開始検出手段を設け
、どの走査開始検出手段にレーザビームが入射し
たかを検知させ、該検知信号から所定時間後に所
定の色用の画像信号を発生させるように制御する
ことを特徴とする画像形成装置。[Scope of Claim for Utility Model Registration] In an image forming apparatus that forms a multi-color image by modulating a single laser light source alternately in a time-sharing manner with image signals of multiple images and inputting the modulated signals to an electrophotographic section to form a multi-color image, A scanning start detection means is provided at a specific position on each optical path separated by the means to detect which scanning start detection means the laser beam is incident on, and an image signal for a predetermined color is generated after a predetermined time from the detection signal. An image forming apparatus characterized in that the image forming apparatus is controlled to generate.
JP2308988U 1988-02-25 1988-02-25 Pending JPH01128348U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2308988U JPH01128348U (en) 1988-02-25 1988-02-25

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2308988U JPH01128348U (en) 1988-02-25 1988-02-25

Publications (1)

Publication Number Publication Date
JPH01128348U true JPH01128348U (en) 1989-09-01

Family

ID=31241790

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2308988U Pending JPH01128348U (en) 1988-02-25 1988-02-25

Country Status (1)

Country Link
JP (1) JPH01128348U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009151286A (en) * 2007-11-27 2009-07-09 Ricoh Co Ltd Image forming apparatus and method, program and recording medium

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60150066A (en) * 1984-01-17 1985-08-07 Japan Steel Works Ltd:The Electrophotographic apparatus
JPS638663A (en) * 1986-06-30 1988-01-14 Canon Inc Laser beam printer

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60150066A (en) * 1984-01-17 1985-08-07 Japan Steel Works Ltd:The Electrophotographic apparatus
JPS638663A (en) * 1986-06-30 1988-01-14 Canon Inc Laser beam printer

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009151286A (en) * 2007-11-27 2009-07-09 Ricoh Co Ltd Image forming apparatus and method, program and recording medium

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