JPH0360333U - - Google Patents
Info
- Publication number
- JPH0360333U JPH0360333U JP12087189U JP12087189U JPH0360333U JP H0360333 U JPH0360333 U JP H0360333U JP 12087189 U JP12087189 U JP 12087189U JP 12087189 U JP12087189 U JP 12087189U JP H0360333 U JPH0360333 U JP H0360333U
- Authority
- JP
- Japan
- Prior art keywords
- illuminance
- light source
- detecting means
- cassette
- file information
- 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
- 238000001816 cooling Methods 0.000 claims description 3
- 238000007664 blowing Methods 0.000 claims 2
- 238000001454 recorded image Methods 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 1
- 229910052736 halogen Inorganic materials 0.000 description 1
- 150000002367 halogens Chemical class 0.000 description 1
Description
第１図はこの考案に係るカセツトフアイル情報
投影装置の側面図、第２図は制御回路図、第３図
は従来のカセツトフアイル情報投影装置の側面図
である。
２……メモリカセツト、１２……ハロゲンラン
プ、１４……冷却フアン、２１……スクリーン、
３０……本体、３２……フオトトランジスタ、３
３……トランジスタ、３４……ＦＥＴ、３６……
ＦＥＴ、Ａ……カセツトフアイル情報投影装置。
FIG. 1 is a side view of a cassette file information projection apparatus according to this invention, FIG. 2 is a control circuit diagram, and FIG. 3 is a side view of a conventional cassette file information projection apparatus. 2...Memory cassette, 12...Halogen lamp, 14...Cooling fan, 21...Screen,
30...Main body, 32...Phototransistor, 3
3...Transistor, 34...FET, 36...
FET, A...Cassette file information projection device.
Claims (1)
画像を、光源から射出した光束により本体に設け
たスクリーンに投影するカセツトフアイル情報投
影装置において、 外来光による前記スクリーンの照度を検出する
照度検出手段と、該照度検出手段が検出する照度
に応じて前記光源の明るさを調整する光量調整手
段とを設けたことを特徴とするカセツトフアイル
情報投影装置。 (2) メモリカセツトに収納されたテープの記録
画像を、光源から射出した光束により本体に設け
たスクリーンに投影するとともに前記光源を冷却
する冷却フアンを備えたカセツトフアイル情報投
影装置において、 外来光による前記スクリーンの照度を検出する
照度検出手段と、該照度検出手段が検出する照度
に応じて前記光源の明るさを調整する光量調整手
段と、前記照度検出手段が検出する照度に応じて
前記冷却フアンの送風量を変化させる送風量制御
手段とを設けたことを特徴とするカセツトフアイ
ル情報投影装置。[Claims for Utility Model Registration] (1) In a cassette file information projection device that projects a recorded image on a tape stored in a memory cassette onto a screen provided in the main body using a beam of light emitted from a light source, A cassette file information projection apparatus comprising: illuminance detecting means for detecting illuminance; and light quantity adjusting means for adjusting the brightness of the light source according to the illuminance detected by the illuminance detecting means. (2) In a cassette file information projection device that projects recorded images on a tape stored in a memory cassette onto a screen provided in the main body using a beam of light emitted from a light source, and is equipped with a cooling fan that cools the light source, illuminance detecting means for detecting the illuminance of the screen; light amount adjusting means for adjusting the brightness of the light source according to the illuminance detected by the illuminance detecting means; and the cooling fan according to the illuminance detected by the illuminance detecting means. 1. A cassette file information projection device comprising: air blowing amount control means for changing the air blowing amount.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12087189U JPH0360333U (en) | 1989-10-16 | 1989-10-16 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12087189U JPH0360333U (en) | 1989-10-16 | 1989-10-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0360333U true JPH0360333U (en) | 1991-06-13 |
Family
ID=31668924
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12087189U Pending JPH0360333U (en) | 1989-10-16 | 1989-10-16 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0360333U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4734851B2 (en) * | 2004-05-14 | 2011-07-27 | カシオ計算機株式会社 | Projection apparatus, projection control method, and program |
-
1989
- 1989-10-16 JP JP12087189U patent/JPH0360333U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4734851B2 (en) * | 2004-05-14 | 2011-07-27 | カシオ計算機株式会社 | Projection apparatus, projection control method, and program |
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