JPS61153124U - - Google Patents
Info
- Publication number
- JPS61153124U JPS61153124U JP14417785U JP14417785U JPS61153124U JP S61153124 U JPS61153124 U JP S61153124U JP 14417785 U JP14417785 U JP 14417785U JP 14417785 U JP14417785 U JP 14417785U JP S61153124 U JPS61153124 U JP S61153124U
- Authority
- JP
- Japan
- Prior art keywords
- reference plane
- beam splitter
- prisms
- mounting structure
- joint surface
- 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
- 239000000853 adhesive Substances 0.000 claims 1
- 230000001070 adhesive effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Optical Head (AREA)
- Mounting And Adjusting Of Optical Elements (AREA)
- Moving Of The Head For Recording And Reproducing By Optical Means (AREA)
Description
第１図は光学式プレーヤの概略を示す斜視図、
第２図、第３図は同上に使用する本考案に係るビ
ームスプリツターの取付構造を示す平面図と―
線断画図である。
２…ビームスプリツター、２１，２２…プリズ
ム、７…取付台、７１…溝、７２…起立片、７３
…固着部、７４…載置部。
FIG. 1 is a perspective view schematically showing an optical player;
Figures 2 and 3 are a plan view showing the mounting structure of the beam splitter according to the present invention used in the above, and -
It is a line cross-sectional diagram. 2... Beam splitter, 21, 22... Prism, 7... Mounting base, 71... Groove, 72... Standing piece, 73
...Fixed part, 74... Placement part.
Claims (1)
ーの取付構造であつて、同一形状の一対のプリズ
ムを接合する事により形成された接合面にて光束
を透過又は反射するビームスプリツターと、上記
一対のプリズムのうち一方のプリズムのみを第一
の基準面にて保持し接着剤にて固着する固着部と
、上記第一の基準面に対して垂直な第二の基準面
並びに上記第一の基準面及び上記第二の基準面の
双方に垂直な第三の基準面とを有する起立片とを
含み、上記起立片は上記一方のプリズムの上記接
合面以外の露出面と当接する事により上記ビーム
スプリツターの位置決めを行う事を特徴とするビ
ームスプリツターの取付構造。 This is a mounting structure for a beam splitter in an optical information reading device, and includes a beam splitter that transmits or reflects a light beam at a joint surface formed by joining a pair of prisms of the same shape, and A fixing part that holds only one of the prisms on a first reference plane and fixes it with an adhesive, a second reference plane perpendicular to the first reference plane, and the first reference plane and the above. an upright piece having a third reference plane perpendicular to both of the second reference plane, and the upright piece comes into contact with an exposed surface other than the joint surface of the one prism, thereby increasing the beam splitter. A beam splitter mounting structure characterized by positioning.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14417785U JPH034977Y2 (en) | 1985-09-24 | 1985-09-24 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14417785U JPH034977Y2 (en) | 1985-09-24 | 1985-09-24 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61153124U true JPS61153124U (en) | 1986-09-22 |
| JPH034977Y2 JPH034977Y2 (en) | 1991-02-08 |
Family
ID=30702464
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14417785U Expired JPH034977Y2 (en) | 1985-09-24 | 1985-09-24 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH034977Y2 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009134209A (en) * | 2007-12-03 | 2009-06-18 | Canon Inc | Prism unit |
| JP2013047834A (en) * | 2012-10-22 | 2013-03-07 | Canon Inc | Prism unit |
| US10437008B2 (en) | 2015-01-30 | 2019-10-08 | Fujifilm Corporation | Prism unit |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3546958B2 (en) | 2001-05-15 | 2004-07-28 | 船井電機株式会社 | Optical pickup |
-
1985
- 1985-09-24 JP JP14417785U patent/JPH034977Y2/ja not_active Expired
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009134209A (en) * | 2007-12-03 | 2009-06-18 | Canon Inc | Prism unit |
| US8724241B2 (en) | 2007-12-03 | 2014-05-13 | Canon Kabushiki Kaisha | Prism unit and a projection image display apparatus |
| JP2013047834A (en) * | 2012-10-22 | 2013-03-07 | Canon Inc | Prism unit |
| US10437008B2 (en) | 2015-01-30 | 2019-10-08 | Fujifilm Corporation | Prism unit |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH034977Y2 (en) | 1991-02-08 |
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