JPH01139231U - - Google Patents
Info
- Publication number
- JPH01139231U JPH01139231U JP3493988U JP3493988U JPH01139231U JP H01139231 U JPH01139231 U JP H01139231U JP 3493988 U JP3493988 U JP 3493988U JP 3493988 U JP3493988 U JP 3493988U JP H01139231 U JPH01139231 U JP H01139231U
- Authority
- JP
- Japan
- Prior art keywords
- film
- projection device
- window
- light transmitting
- focus adjustment
- 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
Links
- 238000010586 diagram Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
Landscapes
- Exposure Or Original Feeding In Electrophotography (AREA)
- Light Sources And Details Of Projection-Printing Devices (AREA)
Description
第１図は本考案の一実施例を示す全体概略斜視
図、第２図は本考案装置の光路図、第３図は本考
案の要部であるフイルムホルダを示す図、第４図
は細線パターンを示す図、第５図イは細線パター
ンとして他の実施例を示す図、同図ロは図イのＡ
―Ｂ線断面図、第６図は細線パターンとして更に
他の実施例を示す図である。
１……複写機、３……フイルムプロジエクタ、
１３……フイルムホルダ、１３６……ピント調整
用光透過窓、１３７……細線パターン板、１４１
……細線パターンブロツク、１４３……細線パタ
ーン。
Fig. 1 is an overall schematic perspective view showing one embodiment of the invention, Fig. 2 is an optical path diagram of the device of the invention, Fig. 3 is a diagram showing a film holder, which is the main part of the invention, and Fig. 4 is a thin line. Figure 5 A is a diagram showing another embodiment as a thin line pattern, and Figure 5 B is A of Figure A.
FIG. 6 is a sectional view taken along the line B and shows still another embodiment as a thin line pattern. 1... Copy machine, 3... Film projector,
13...Film holder, 136...Light transmission window for focus adjustment, 137...Fine line pattern plate, 141
...Thin line pattern block, 143...Thin line pattern.
Claims (1)
の投影装置において、透過フイルム側近のフイル
ムホルダ部分にピント調整用光透過窓を設けると
共に、該窓内にフイルム面と略同一平面で光透過
部と不透過部を有した明暗パターンが設けてある
ことを特徴とする投影装置。 In a projection device for imprinting an original image on a transparent film on a copying machine, a light transmitting window for focus adjustment is provided in the film holder near the transmitting film, and a light transmitting portion is provided within the window on the same plane as the film surface. A projection device characterized in that a bright and dark pattern having an opaque part is provided.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3493988U JPH01139231U (en) | 1988-03-15 | 1988-03-15 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3493988U JPH01139231U (en) | 1988-03-15 | 1988-03-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01139231U true JPH01139231U (en) | 1989-09-22 |
Family
ID=31261608
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3493988U Pending JPH01139231U (en) | 1988-03-15 | 1988-03-15 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01139231U (en) |
-
1988
- 1988-03-15 JP JP3493988U patent/JPH01139231U/ja active Pending
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