JPH0268578U - - Google Patents
Info
- Publication number
- JPH0268578U JPH0268578U JP14774588U JP14774588U JPH0268578U JP H0268578 U JPH0268578 U JP H0268578U JP 14774588 U JP14774588 U JP 14774588U JP 14774588 U JP14774588 U JP 14774588U JP H0268578 U JPH0268578 U JP H0268578U
- Authority
- JP
- Japan
- Prior art keywords
- screen
- unit
- mirror
- projection
- assembled
- 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.)
- Granted
Links
- 230000003287 optical effect Effects 0.000 claims description 2
Landscapes
- Transforming Electric Information Into Light Information (AREA)
Description
第１図は本案に係るプロジエクシヨンテレビの
側断面図、第２図、第３図はその取付構造を示す
断面図、第４図は本案の他の実施例を示す側断面
図、第５図・第６図はその取付構造を示す断面図
と部分分解斜視図、第７図は従来例を示す側断面
図である。
２０，２０′……スクリーンユニツト、１０…
…組立構造体、１１……プロジエクターシヤーシ
ユニツト、１２……ミラーユニツト、２２０，２
２０′……スクリーン、１２０……反射ミラー、
３０……下部シヤーシユニツト、４０，４０′，
４０″……スクリーン・ミラーユニツト（組立構
造体）、４２，４２′，４２″……スクリーン、
４４，４４′，４４″……反射ミラー、Ｌ，Ｌ２
，Ｌ３……光路中心。
FIG. 1 is a side sectional view of the projection television according to the present invention, FIGS. 2 and 3 are sectional views showing its mounting structure, FIG. 4 is a side sectional view showing another embodiment of the present invention, and FIG. 6 are a sectional view and a partially exploded perspective view showing the mounting structure, and FIG. 7 is a side sectional view showing a conventional example. 20, 20'...Screen unit, 10...
...Assembly structure, 11...Projector chassis unit, 12...Mirror unit, 220,2
20'...screen, 120...reflection mirror,
30... lower chassis unit, 40, 40',
40″...Screen/mirror unit (assembly structure), 42, 42', 42″...Screen,
44, 44', 44''...Reflection mirror, L, L2
, L3... optical path center.
Claims (1)
プロジエクターシヤーシユニツトと、前面にスク
リーン、その後方の後面に反射ミラーが取り付け
られたスクリーン・ミラーユニツトとを具備し、
前記投写管から投射された映像を前記反射ミラー
で反射させ、スクリーン面に写しだすプロジエク
シヨンテレビにおいて、 前記スクリーンユニツトを前記シヤーシユニツ
トとミラーユニツトから成る組立構造体に着脱可
能に構成し、サイズの異なる数種のスクリーンユ
ニツトを前記組立構造体に着脱交換可能に組付け
られる様にしたことを特徴とするプロジエクシヨ
ンテレビ。 (2) スクリーンユニツトのスクリーン面が画面
のサイズの異なるに応じてミラー面に対して前後
方向に移動し、映像合焦位置が可変調整可能とさ
れたことを特徴とする請求項(1)記載のプロジエ
クシヨンテレビ。 (3) シヤーシユニツトとミラーユニツトから成
る組立構造体がサイズの異なる数種のスクリーン
ユニツトに対して共通化した構造で構成されてい
ることを特徴とする請求項(1)記載のプロジエク
シヨンテンビ。 (4) 写管、メインの回路基板等が組込まれたシ
ヤーシユニツトと、前面にスクリーン、その後方
の後面に反射ミラーが取り付けられたスクリーン
・ミラーユニツトとを具備し、前記投写管から投
射された映像を前記反射ミラーで反射させ、スク
リーン面に写しだすプロジエクシヨンテレビにお
いて、 前記スクリーンユニツトとミラーユニツトから
成る組立構造体を前記シヤーシユニツトに着脱可
能に構成し、サイズの異なる数種の前記組立構造
体を共通化された前記シヤーシユニツトに着脱交
換可能に組付けられる様にしたことを特徴とする
プロジエクシヨンテレビ。 (5) 反射ミラーの位置がスクリーンユニツトと
ミラーユニツトから成る組立構造体のサイズが異
なるに応じてスクリーン面に対して前後に可変調
整され、この位置の可変調整によりミラー面の映
像光路反射位置と、スクリーン面に対する映像入
射光路とが上下に可変される様にしたことを特徴
とする請求項(4)記載のプロジエクシヨンテレビ
。 (6) シヤーシユニツトがスクリーンユニツトと
ミラーユニツトから成るサイズの異なる数種の組
立構造体に対して単一の共通化した構造を有する
ことを特徴とした請求項(4)記載のプロジエクシ
ヨンテレビ。[Scope of Claim for Utility Model Registration] (1) A projector chassis unit in which a projection tube, main circuit board, etc. are incorporated, and a screen/mirror unit in which a screen is attached to the front and a reflective mirror is attached to the rear surface of the unit. Equipped with
In a projection television in which an image projected from the projection tube is reflected by the reflection mirror and projected onto the screen surface, the screen unit is configured to be removably attached to the assembly structure consisting of the chassis unit and the mirror unit, and A projection television characterized in that several different types of screen units are detachably and replaceably assembled to the assembly structure. (2) Claim (1) characterized in that the screen surface of the screen unit moves back and forth with respect to the mirror surface according to the different screen sizes, and the image focus position can be variably adjusted. Projection TV. (3) The projection screen according to claim (1), wherein the assembly structure consisting of the chassis unit and the mirror unit has a common structure for several types of screen units of different sizes. (4) It is equipped with a chassis unit in which a projection tube, a main circuit board, etc. are incorporated, and a screen/mirror unit with a screen on the front and a reflection mirror attached to the rear of the screen, and the image projected from the projection tube. In a projection television in which the image is reflected by the reflecting mirror and projected onto the screen surface, an assembled structure consisting of the screen unit and the mirror unit is configured to be removably attached to the chassis unit, and several kinds of the assembled structures of different sizes are provided. The projection television is characterized in that it can be detachably and replaceably assembled to the common chassis unit. (5) The position of the reflecting mirror is variably adjusted back and forth with respect to the screen surface according to the different sizes of the assembled structure consisting of the screen unit and mirror unit, and this variable adjustment of the position adjusts the image light path reflection position on the mirror surface. 5. The projection television set according to claim 4, wherein the optical path of the image incident on the screen surface is vertically variable. (6) The projection television according to claim (4), wherein the chassis unit has a single common structure for several assembled structures of different sizes, each consisting of a screen unit and a mirror unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14774588U JPH0638538Y2 (en) | 1988-11-12 | 1988-11-12 | Projection tv |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14774588U JPH0638538Y2 (en) | 1988-11-12 | 1988-11-12 | Projection tv |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0268578U true JPH0268578U (en) | 1990-05-24 |
| JPH0638538Y2 JPH0638538Y2 (en) | 1994-10-05 |
Family
ID=31418433
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14774588U Expired - Lifetime JPH0638538Y2 (en) | 1988-11-12 | 1988-11-12 | Projection tv |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0638538Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012226190A (en) * | 2011-04-21 | 2012-11-15 | Mitsubishi Electric Corp | Method for manufacturing rear projection type image display device and multi-display system |
-
1988
- 1988-11-12 JP JP14774588U patent/JPH0638538Y2/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012226190A (en) * | 2011-04-21 | 2012-11-15 | Mitsubishi Electric Corp | Method for manufacturing rear projection type image display device and multi-display system |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0638538Y2 (en) | 1994-10-05 |
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