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1. WO2017169742 - OPTICAL SCANNING DEVICE AND IMAGE FORMING APPARATUS PROVIDED WITH SAME

Publication Number WO/2017/169742
Publication Date 05.10.2017
International Application No. PCT/JP2017/010215
International Filing Date 14.03.2017
IPC
G02B 26/10 2006.01
GPHYSICS
02OPTICS
BOPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
26Optical devices or arrangements using movable or deformable optical elements for controlling the intensity, colour, phase, polarisation or direction of light, e.g. switching, gating or modulating
08for controlling the direction of light
10Scanning systems
B41J 2/47 2006.01
BPERFORMING OPERATIONS; TRANSPORTING
41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
JTYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
2Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
435characterised by selective application of radiation to a printing material or impression-transfer material
47using the combination of scanning and modulation of light
G02B 26/12 2006.01
GPHYSICS
02OPTICS
BOPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
26Optical devices or arrangements using movable or deformable optical elements for controlling the intensity, colour, phase, polarisation or direction of light, e.g. switching, gating or modulating
08for controlling the direction of light
10Scanning systems
12using multifaceted mirrors
H04N 1/113 2006.01
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
NPICTORIAL COMMUNICATION, e.g. TELEVISION
1Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
04Scanning arrangements
113using oscillating or rotating mirrors
CPC
B41J 2/47
BPERFORMING OPERATIONS; TRANSPORTING
41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
JTYPEWRITERS; SELECTIVE PRINTING MECHANISMS, ; e.g. INK-JET PRINTERS, THERMAL PRINTERS; , i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
2Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
435characterised by selective application of radiation to a printing material or impression-transfer material
47using the combination of scanning and modulation of light
G02B 26/123
GPHYSICS
02OPTICS
BOPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
26Optical devices or arrangements using movable or deformable optical elements for controlling the intensity, colour, phase, polarisation or direction of light, e.g. switching, gating, modulating
08for controlling the direction of light
10Scanning systems
12using multifaceted mirrors
123Multibeam scanners, e.g. using multiple light sources or beam splitters
G02B 26/125
GPHYSICS
02OPTICS
BOPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
26Optical devices or arrangements using movable or deformable optical elements for controlling the intensity, colour, phase, polarisation or direction of light, e.g. switching, gating, modulating
08for controlling the direction of light
10Scanning systems
12using multifaceted mirrors
125Details of the optical system between the polygonal mirror and the image plane
G03G 15/04036
GPHYSICS
03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
GELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
15Apparatus for electrographic processes using a charge pattern
04for exposing, i.e. imagewise exposure by optically projecting the original image on a photoconductive recording material
04036Details of illuminating systems, e.g. lamps, reflectors
H04N 1/113
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
NPICTORIAL COMMUNICATION, e.g. TELEVISION
1Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
04Scanning arrangements ; , i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa
113using oscillating or rotating mirrors
Applicants
  • 京セラドキュメントソリューションズ株式会社 KYOCERA DOCUMENT SOLUTIONS INC. [JP]/[JP]
Inventors
  • 中野 一成 NAKANO, Issei
Agents
  • 小谷 悦司 KOTANI, Etsuji
  • 小谷 昌崇 KOTANI, Masataka
  • 平田 晴洋 HIRATA, Haruhiro
Priority Data
2016-06573829.03.2016JP
Publication Language Japanese (JA)
Filing Language Japanese (JA)
Designated States
Title
(EN) OPTICAL SCANNING DEVICE AND IMAGE FORMING APPARATUS PROVIDED WITH SAME
(FR) DISPOSITIF DE BALAYAGE OPTIQUE ET APPAREIL DE FORMATION D’IMAGE LE COMPRENANT
(JA) 光走査装置及びこれを備えた画像形成装置
Abstract
(EN)
According to the present invention, a first lens part (60Y) and a second lens part (60C) in a first scanning lens (60) are vertically stacked so that lens centers thereof are to be separated from each other by a first distance. A third lens part (61M) and a fourth lens part (61Bk) in a second scanning lens (61) are vertically stacked so that lens centers thereof are be separated from each other by a second distance equal to the first distance. The vertical positional relationship between the first lens part (60Y) and the second lens part (60C) is identical to the vertical positional relationship between the third lens part (61M) and the fourth lens part (61Bk). Further, the separating direction of the lens center of the first lens part (60Y) with respect to that of the second lens part (60C) is opposite to the separating direction of the lens center of the third lens part (61M) with respect to that of the fourth lens part (61Bk).
(FR)
Selon la présente invention, une première partie de lentille (60Y) et une deuxième partie de lentille (60C) dans une première lentille de balayage (60) sont empilées verticalement de telle sorte que leurs centres de lentille sont séparés l'un de l'autre par une première distance. Une troisième partie de lentille (61M) et une quatrième partie de lentille (61Bk) dans une seconde lentille de balayage (61) sont empilées verticalement de telle sorte que leurs centres de lentille sont séparés l'un de l'autre par une seconde distance égale à la première distance. La relation de position verticale entre la première partie de lentille (60Y) et la deuxième partie de lentille (60C) est identique à la relation de position verticale entre la troisième partie de lentille (61M) et la quatrième partie de lentille (61Bk). En outre, la direction de séparation du centre de lentille de la première partie de lentille (60Y) par rapport à celle de la deuxième partie de lentille (60C) est opposée à la direction de séparation du centre de lentille de la troisième partie de lentille (61M) par rapport à celle de la quatrième partie de lentille (61Bk).
(JA)
第1走査レンズ(60)において第1レンズ部(60Y)と第2レンズ部(60C)とは、互いのレンズ中心が第1距離離間するように上下に重ね合わされている。第2走査レンズ(61)において第3レンズ部(61M)と第4レンズ部(61Bk)とは、互いのレンズ中心が前記第1距離と同一の第2距離離間するように上下に重ね合わされている。そして、第1レンズ部(60Y)の第2レンズ部(60C)に対する上下の位置関係と、第3レンズ部(61M)の第4レンズ部(61Bk)に対する上下の位置関係とが同じである。更に、第1レンズ部(60Y)の第2レンズ部(60C)に対するレンズ中心の離間方向は、第3レンズ部(61M)の第4レンズ部(61Bk)に対するレンズ中心の離間方向と、逆方向である。
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