JPH0241240U - - Google Patents
Info
- Publication number
- JPH0241240U JPH0241240U JP11834488U JP11834488U JPH0241240U JP H0241240 U JPH0241240 U JP H0241240U JP 11834488 U JP11834488 U JP 11834488U JP 11834488 U JP11834488 U JP 11834488U JP H0241240 U JPH0241240 U JP H0241240U
- Authority
- JP
- Japan
- Prior art keywords
- display device
- roof prism
- pentagonal roof
- display
- prism
- 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
- 239000011347 resin Substances 0.000 claims description 5
- 229920005989 resin Polymers 0.000 claims description 5
- 238000002347 injection Methods 0.000 claims description 3
- 239000007924 injection Substances 0.000 claims description 3
- 239000000853 adhesive Substances 0.000 claims 1
- 230000001070 adhesive effect Effects 0.000 claims 1
- 239000000945 filler Substances 0.000 claims 1
- 230000003287 optical effect Effects 0.000 claims 1
Landscapes
- Viewfinders (AREA)
- Indication In Cameras, And Counting Of Exposures (AREA)
Description
第１図は、本考案に係るフアインダ内表示装置
の一実施例を示す断面図、第２図は、第１図中に
示される小プリズムを拡大して示す背面図、第３
図は、従来のフアインダ内表示装置の一例を示す
断面図である。
１……ペンタプリズム、１ａ……入射面、１ｂ
……ダハ面、１ｃ……前側反射面、１ｄ……射出
面、５……注入器、６……樹脂、６′……樹脂層
、７……表示画像形成部、８……小プリズム、８
ａ……入射面、８ｂ……反射面、８ｃ……平面部
、９……空間部、１０……樹脂注入口、１１……
空気逃げ口。
FIG. 1 is a sectional view showing an embodiment of the display device in the viewfinder according to the present invention, FIG. 2 is a rear view showing an enlarged view of the small prism shown in FIG. 1, and FIG.
The figure is a sectional view showing an example of a conventional in-finder display device. 1... Pentaprism, 1a... Incident surface, 1b
... Roof surface, 1c... Front reflective surface, 1d... Exit surface, 5... Syringe, 6... Resin, 6'... Resin layer, 7... Display image forming section, 8... Small prism, 8
a...Incidence surface, 8b...Reflection surface, 8c...Plane part, 9...Space part, 10...Resin injection port, 11...
Air escape port.
Claims (1)
露出過不足表示等の表示画像を重畳する表示画像
形成部と、入射面に上記表示画像形成部より射出
された表示光束が入射され、射出面が上記ペンタ
ゴナルダハプリズムの複数の反射面のうちの少な
くとも１つの面に密接された小プリズムとを有す
るフアインダ内表示装置において、上記ペンタゴ
ナルダハプリズムと密接する面側に射出面側に接
着用の空間部が形成され、この空間部に連通する
小孔でなる空気逃げ口と、樹脂注入口とが穿設さ
れた小プリズムが、上記樹脂注入口を介して、上
記空間部に充填された充填材により上記ペンタゴ
ナルダハプリズムに一体的に添着された構成とし
たことを特徴とするフアインダ内表示装置。 A display image forming unit superimposes a display image such as overexposure/underexposure display on an observation optical system using a pentagonal roof prism, and a display light beam emitted from the display image forming unit is incident on an incident surface of the pentagonal roof prism, and the exit surface is the pentagonal roof prism. a small prism that is in close contact with at least one of the plurality of reflective surfaces of the display device, an adhesive space is formed on the exit surface side of the surface that is in close contact with the pentagonal roof prism, A small prism having an air escape port consisting of a small hole communicating with this space and a resin injection port is inserted into the pentagonal roof prism by a filler filled in the space through the resin injection port. 1. A display device in a viewfinder, characterized in that the display device is integrally attached to the display device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11834488U JPH0241240U (en) | 1988-09-10 | 1988-09-10 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11834488U JPH0241240U (en) | 1988-09-10 | 1988-09-10 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0241240U true JPH0241240U (en) | 1990-03-22 |
Family
ID=31362617
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11834488U Pending JPH0241240U (en) | 1988-09-10 | 1988-09-10 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0241240U (en) |
-
1988
- 1988-09-10 JP JP11834488U patent/JPH0241240U/ja active Pending
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