JPH0442639U - - Google Patents

Info

Publication number
JPH0442639U
JPH0442639U JP8481890U JP8481890U JPH0442639U JP H0442639 U JPH0442639 U JP H0442639U JP 8481890 U JP8481890 U JP 8481890U JP 8481890 U JP8481890 U JP 8481890U JP H0442639 U JPH0442639 U JP H0442639U
Authority
JP
Japan
Prior art keywords
fresnel lens
openings
screen device
lens
image display
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
Application number
JP8481890U
Other languages
Japanese (ja)
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP8481890U priority Critical patent/JPH0442639U/ja
Publication of JPH0442639U publication Critical patent/JPH0442639U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Transforming Electric Information Into Light Information (AREA)
  • Overhead Projectors And Projection Screens (AREA)

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は本考案の一実施例の画像表示用スクリ
ーン装置のレンチキユラーレンズとフレネルレン
ズを組み合わせて取り付け枠に取り付けた状態を
示す一部切欠斜視図、第２図は同上の側面の部分
拡大図、第３図は本考案のその他の実施例を示す
画像表示用スクリーン装置のレンチキユラーレン
ズとフレネルレンズを組み合わせて取り付け枠に
取り付けた状態を示す一部切欠斜視図、第４図は
同上の側面の部分拡大図である。 １……レンチキユラーレンズ、２……フレネル
レンズ、３……小判孔、４，７……上部取り付け
枠、５……取り付けピン、６……下部取り付け枠
、８……突起、９……取り付けガイド。 Fig. 1 is a partially cutaway perspective view showing a state in which a lenticular lens and a Fresnel lens of an image display screen device according to an embodiment of the present invention are combined and attached to a mounting frame, and Fig. 2 is a side view of the same. FIG. 3 is an enlarged view, and FIG. 3 is a partially cutaway perspective view showing a combination of a lenticular lens and a Fresnel lens of an image display screen device according to another embodiment of the present invention and attached to a mounting frame. It is a partially enlarged view of the side same as the above. 1... Lenticular lens, 2... Fresnel lens, 3... Oval hole, 4, 7... Upper mounting frame, 5... Mounting pin, 6... Lower mounting frame, 8... Protrusion, 9... Installation guide.

Claims (1)

【実用新案登録請求の範囲】 (1) フレネルレンズの上端部に複数の開孔を水
平方向に並べて設け、同開孔に保持具を通してフ
レネルレンズを吊り下げてフレネルレンズを定置
せしめることを特徴とする画像表示用スクリーン
装置。 (2) 前記保持具が取り付けピンからなり、平板
の短辺方向の両端を折り曲げて略コの字に形成し
た折り曲げ部分を備えた上部取り付け枠を設け、
同上部取り付け枠のフレネルレンズに面している
折り曲げ部分に前記フレネルレンズに設けた開孔
に相対するように開孔を設けて、フレネルレンズ
に設けた開孔と折り曲げ部分に設けた開孔とに前
記取り付けピンを通してフレネルレンズを吊り下
げてフレネルレンズを定置せしめることを特徴と
する請求項(1)記載の画像表示用スクリーン装置
。 (3) 前記保持具がレンチキユラーレンズに前記
フレネルレンズに設けた開孔に相対するように設
けた突起からなり、前記開孔の各々に前記突起を
挿入してフレネルレンズを吊り下げてフレネルレ
ンズを定置せしめることを特徴とする請求項(1)
記載の画像表示用スクリーン装置。 (4) 前記フレネルレンズに設けた複数の開孔を
小判孔形状の開孔としたことを特徴とする請求項
(1)，(2)又は(3)記載の画像表示用スクリーン装
置。[Claims for Utility Model Registration] (1) A Fresnel lens is characterized in that a plurality of openings are arranged horizontally at the upper end of the Fresnel lens, and the Fresnel lens is fixed by passing a holder through the openings and suspending the Fresnel lens. A screen device for displaying images. (2) The holder comprises a mounting pin, and includes an upper mounting frame having a bent portion formed by bending both ends of the flat plate in the short side direction to form a substantially U-shape;
An opening is provided in the bent part of the upper mounting frame facing the Fresnel lens so as to face the opening provided in the Fresnel lens, and the opening provided in the Fresnel lens and the opening provided in the bent part are connected. 2. The image display screen device according to claim 1, wherein the Fresnel lens is suspended through the mounting pin to fix the Fresnel lens. (3) The holder comprises projections provided on the lenticular lens so as to face the openings provided in the Fresnel lens, and the projections are inserted into each of the openings to suspend the Fresnel lens. Claim (1) characterized in that the lens is fixed.
The image display screen device described above. (4) A claim characterized in that the plurality of apertures provided in the Fresnel lens are oval-shaped apertures.
Image display screen device described in (1), (2) or (3).
JP8481890U 1990-08-10 1990-08-10 Pending JPH0442639U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8481890U JPH0442639U (en) 1990-08-10 1990-08-10

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8481890U JPH0442639U (en) 1990-08-10 1990-08-10

Publications (1)

Publication Number Publication Date
JPH0442639U true JPH0442639U (en) 1992-04-10

Family

ID=31633550

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8481890U Pending JPH0442639U (en) 1990-08-10 1990-08-10

Country Status (1)

Country Link
JP (1) JPH0442639U (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007271843A (en) * 2006-03-31 2007-10-18 Hitachi Ltd Projection type image display apparatus
JP2007279398A (en) * 2006-04-06 2007-10-25 Sony Corp Rear projection type display device and transmission type screen
JP2011197539A (en) * 2010-03-23 2011-10-06 Mitsubishi Electric Corp Projection image display device

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007271843A (en) * 2006-03-31 2007-10-18 Hitachi Ltd Projection type image display apparatus
JP2007279398A (en) * 2006-04-06 2007-10-25 Sony Corp Rear projection type display device and transmission type screen
JP2011197539A (en) * 2010-03-23 2011-10-06 Mitsubishi Electric Corp Projection image display device
US8591038B2 (en) 2010-03-23 2013-11-26 Mitsubishi Electric Corporation Projection type image display apparatus including screen configured to partially support mirror

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