JPH0437938U - - Google Patents

Info

Publication number
JPH0437938U
JPH0437938U JP7824890U JP7824890U JPH0437938U JP H0437938 U JPH0437938 U JP H0437938U JP 7824890 U JP7824890 U JP 7824890U JP 7824890 U JP7824890 U JP 7824890U JP H0437938 U JPH0437938 U JP H0437938U
Authority
JP
Japan
Prior art keywords
reflective surface
porro prism
ijhg
cehg
light
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
JP7824890U
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 JP7824890U priority Critical patent/JPH0437938U/ja
Publication of JPH0437938U publication Critical patent/JPH0437938U/ja
Pending legal-status Critical Current

Links

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を示す斜視図、第２
図はその側面図、第３図はその展開図である。第
４図は本考案の他の実施例を示す斜視図、第５図
はその側面図、第６図はその展開図である。第７
図は従来例において付属面で光線が反射する様子
を示す図であり、第８図は本考案の実施例におい
て遮光用の溝で光線が正規の光路外に屈折又は反
射する様子を示す図である。第９図は従来例を示
す斜視図、第１０図はその展開図である。 Fig. 1 is a perspective view showing one embodiment of the present invention;
The figure is a side view, and Figure 3 is a developed view. FIG. 4 is a perspective view showing another embodiment of the present invention, FIG. 5 is a side view thereof, and FIG. 6 is a developed view thereof. 7th
The figure is a diagram showing how a light ray is reflected by an attached surface in a conventional example, and FIG. be. FIG. 9 is a perspective view showing a conventional example, and FIG. 10 is a developed view thereof.

Claims (1)

【実用新案登録請求の範囲】 (1) 予定されている入射面、反射面及び出射面
以外の面に遮光用の溝を設けたことを特徴とする
ポロプリズム。 (2) ポロプリズム２型の第２反射面ＣＥＨＧ及
び第３反射面ＩＪＨＧに対して垂直な隣接する面
ＣＩＧ，ＥＪＨに第２反射面ＣＥＨＧ及び第３反
射面ＩＪＨＧに対して４５°の角度をなす互いに
垂直な方向にそれぞれ遮光用の溝を設けたことを
特徴とするポロプリズム。[Scope of Claim for Utility Model Registration] (1) A Porro prism characterized by having a light-shielding groove provided on a surface other than the planned entrance surface, reflection surface, and exit surface. (2) The adjacent surfaces CIG and EJH that are perpendicular to the second reflective surface CEHG and the third reflective surface IJHG of the Porro prism type 2 have an angle of 45° with respect to the second reflective surface CEHG and the third reflective surface IJHG. A Porro prism is characterized by having light-shielding grooves in each direction perpendicular to each other.
JP7824890U 1990-07-24 1990-07-24 Pending JPH0437938U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7824890U JPH0437938U (en) 1990-07-24 1990-07-24

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7824890U JPH0437938U (en) 1990-07-24 1990-07-24

Publications (1)

Publication Number Publication Date
JPH0437938U true JPH0437938U (en) 1992-03-31

Family

ID=31621353

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7824890U Pending JPH0437938U (en) 1990-07-24 1990-07-24

Country Status (1)

Country Link
JP (1) JPH0437938U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2015087742A (en) * 2014-04-30 2015-05-07 オリンパス株式会社 Light guide prism and image display device
JP2015135506A (en) * 2015-02-20 2015-07-27 オリンパス株式会社 Light guide prism and image display device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2015087742A (en) * 2014-04-30 2015-05-07 オリンパス株式会社 Light guide prism and image display device
JP2015135506A (en) * 2015-02-20 2015-07-27 オリンパス株式会社 Light guide prism and image display device

Similar Documents

Publication Publication Date Title
JPH0437938U (en)
JPH043375U (en)
JPH0255202U (en)
JPH0373118U (en)
JPH03119712U (en)
JPS6296555U (en)
JPS59134304U (en) Rectangular light distribution reflector
JPS63188625U (en)
JPH0461035U (en)
JPS6410701U (en)
JPS61185014U (en)
JPS6335017U (en)
JPS62132501U (en)
JPH0161167U (en)
JPH0281407U (en)
JPS6324538U (en)
JPH01133758U (en)
JPH03120861U (en)
JPH02132209U (en)
JPH02107118U (en)
JPS624151U (en)
JPS58113002U (en) Optical fiber display element
JPH0290802U (en)
JPH03103823U (en)
JPS58113084U (en) Optical fiber display unit