JPS61179553U

JPS61179553U -

Info

Publication number: JPS61179553U
Application number: JP6328985U
Authority: JP
Priority date: 1985-04-30
Filing date: 1985-04-30
Publication date: 1986-11-08

Description

[Brief explanation of the drawing]

第１図はこの考案に係る複写機の露光装置の第
一実施例を示す断面説明図、第２図は第１図中
方向から見た矢視図、第３図は第２図中−線
に相当する断面図、第４図はこの考案に係る複写
機の露光装置の第二実施例を示す第３図と同様な
説明図、第５図はこの考案に係る複写機の露光装
置の第三実施例を示す要部断面図、第６図は第５
図中−線断面図、第７図は従来における複写
機の露光装置の一例を示す断面説明図である。〔符号の説明〕、１……キヤビテイ、２……ハ
ウジング、３……複写原稿、４……プラテン、５
……高反射面、６……フラツシユ光源、９……感
光面、４０……赤外線吸収フイルタ（赤外線吸収
部材）、５０……クーリングユニツト（冷却手段
）、６０……オゾン除去フイルタ（オゾン除去手
段）、８０……オゾン除去ユニツト（オゾン除去
手段）。 FIG. 1 is a cross-sectional explanatory diagram showing a first embodiment of an exposure device for a copying machine according to this invention, FIG. 2 is a view taken from the direction of the arrow in FIG. 1, and FIG. 3 is a view along the line - FIG. 4 is an explanatory view similar to FIG. 3 showing a second embodiment of the exposure device for a copying machine according to this invention, and FIG. A cross-sectional view of the main parts showing the third embodiment, FIG.
FIG. 7 is a cross-sectional view showing an example of a conventional exposure device for a copying machine. [Explanation of symbols], 1... Cavity, 2... Housing, 3... Copy original, 4... Platen, 5
... High reflective surface, 6 ... Flash light source, 9 ... Photosensitive surface, 40 ... Infrared absorption filter (infrared absorption member), 50 ... Cooling unit (cooling means), 60 ... Ozone removal filter (ozone removal means) ), 80... Ozone removal unit (ozone removal means).

Claims

[Scope of utility model registration request]

a housing that surrounds a substantially box-shaped cavity with a highly reflective surface and has a rectangular opening at the top;
The housing includes a platen that is attached to the opening of the housing and forms a placement surface for a copy original and is made of a transparent member, and a flash light source that is disposed within the housing and irradiates light into the cavity. , an exposure device for a copying machine, wherein the exposure device for a copying machine is configured to simultaneously illuminate the entire surface of the copy document on the platen by reflecting the irradiation light from the flash light source within the cavity, and project the copy document image onto a predetermined photosensitive surface; An infrared absorbing member is disposed around the flash light source, a cooling means is provided for cooling the infrared absorbing member and the flash light source, and an ozone removing means is provided for removing ozone generated around the flash light source. Copying machine exposure device.