JPH0316131U - - Google Patents
Info
- Publication number
- JPH0316131U JPH0316131U JP7559889U JP7559889U JPH0316131U JP H0316131 U JPH0316131 U JP H0316131U JP 7559889 U JP7559889 U JP 7559889U JP 7559889 U JP7559889 U JP 7559889U JP H0316131 U JPH0316131 U JP H0316131U
- Authority
- JP
- Japan
- Prior art keywords
- lens
- rib
- coupling
- cylindrical portion
- projection
- 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
- 230000008878 coupling Effects 0.000 claims description 5
- 238000010168 coupling process Methods 0.000 claims description 5
- 238000005859 coupling reaction Methods 0.000 claims description 5
- 230000003287 optical effect Effects 0.000 claims 3
- 238000010586 diagram Methods 0.000 description 1
Description
第１図、第２図は本考案になるプロジエクシヨ
ンＴＶ用レンズの一実施例を示す一部切載側面図
、第３図はプロジエクタの概要図、第４図は従来
のプロジエクシヨンＴＶレンズを示す一部切載側
面図である。
１……プロジエクシヨンＴＶ用レンズ、４……
ＣＲＴ、６……カプラー、７……レンズ鏡筒、７
ａ……筐体、７ｂ……筒部、１１……カツプリン
グレンズ、１１ａ……曲面部、１４……レンズ群
、１５……リブ。
Figures 1 and 2 are partially cutaway side views showing an embodiment of the projection TV lens according to the present invention, Figure 3 is a schematic diagram of the projector, and Figure 4 is a conventional projection TV lens. FIG. 3 is a partially cutaway side view showing the lens. 1... Lens for Projection TV, 4...
CRT, 6... Coupler, 7... Lens barrel, 7
a... Housing, 7b... Cylindrical portion, 11... Coupling lens, 11a... Curved surface portion, 14... Lens group, 15... Rib.
Claims (1)
に曲面部を形成し、光学系の一部となるカツプリ
ングレンズが取り付けられるカプラーと、 光学系となるレンズ群を保持する筒部と、この
筒部を内部にて嵌合する筐体とを有すると共に、
前記カツプリングレンズに嵌合して、光学上の位
置出しを行うことが可能なリブを形成したレンズ
鏡筒とから構成されたプロジエクシヨンＴＶ用レ
ンズにおいて、 前記筒部の内面に前記カツプリングレンズとの
位置出しを行うためのリブを形成してなり、前記
筒部を筐体に対して摺動させることにより、リブ
とカツプリングレンズとの嵌合を解除してピント
調整を可能とすることを特徴とするプロジエクシ
ヨンＴＶ用レンズ。[Scope of Claim for Utility Model Registration] A coupler with a CRT as a light source attached to the rear surface, a curved surface formed on the front surface, and a coupler to which a coupling lens forming part of the optical system is attached, and a group of lenses forming the optical system. a cylindrical portion, and a casing into which the cylindrical portion is fitted;
A projection TV lens comprising a lens barrel formed with a rib that can be fitted into the coupling lens to perform optical positioning, wherein the coupling is provided on the inner surface of the cylinder portion. A rib is formed for positioning with the lens, and by sliding the cylindrical portion with respect to the housing, the rib and the coupling lens are released from each other to enable focus adjustment. A lens for Projection TV that is characterized by:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7559889U JPH0316131U (en) | 1989-06-29 | 1989-06-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7559889U JPH0316131U (en) | 1989-06-29 | 1989-06-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0316131U true JPH0316131U (en) | 1991-02-18 |
Family
ID=31616309
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7559889U Pending JPH0316131U (en) | 1989-06-29 | 1989-06-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0316131U (en) |
-
1989
- 1989-06-29 JP JP7559889U patent/JPH0316131U/ja active Pending