JPH0277831U - - Google Patents
Info
- Publication number
- JPH0277831U JPH0277831U JP15781088U JP15781088U JPH0277831U JP H0277831 U JPH0277831 U JP H0277831U JP 15781088 U JP15781088 U JP 15781088U JP 15781088 U JP15781088 U JP 15781088U JP H0277831 U JPH0277831 U JP H0277831U
- Authority
- JP
- Japan
- Prior art keywords
- photoelectric switch
- opening
- case
- polarizing filter
- photoelectric
- 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 2
- 230000010287 polarization Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
Landscapes
- Switches Operated By Changes In Physical Conditions (AREA)
Description
第１図は本考案の一実施例による光電スイツチ
の組立構成図、第２図はその主要部を示す縦断面
図、第３図ａは本願の第２実施例による光電スイ
ツチの偏光フイルタの構成図、第３図ｂはその取
付状態を示す図、第４図は従来の光電スイツチの
偏光フイルタ形成過程を示す図、第５図はこうし
て形成された偏光フイルタを光電スイツチの前面
に取付ける状態を示す図、第６図は従来の光電ス
イツチの偏光フイルタの形成過程を示す図、第７
図ａ及び第７図ｂはこうして形成された偏光フイ
ルタを光電スイツチに取付ける場合の組み合わせ
状態を示す図である。
１１……光電スイツチ、１２……ケース、１３
，１４……光電素子、１５……開口部、１６ａ〜
１６ｄ，１８ａ，１８ｂ……固定用ピン、１７…
…レンズ板、１７ａ〜１７ｄ，１９ａ〜１９ｄ，
２０ａ〜２０ｄ……開口、１９〜２２……偏光フ
イルタ、２１ａ，２２ａ……切欠き。
FIG. 1 is an assembled configuration diagram of a photoelectric switch according to an embodiment of the present invention, FIG. 2 is a vertical cross-sectional view showing its main parts, and FIG. 3a is a configuration of a polarizing filter of a photoelectric switch according to a second embodiment of the present invention. Figure 3b shows how it is attached, Figure 4 shows the process of forming a polarizing filter in a conventional photoelectric switch, and Figure 5 shows how the polarizing filter thus formed is attached to the front of the photoelectric switch. 6 is a diagram showing the formation process of a polarizing filter of a conventional photoelectric switch, and FIG.
Figures a and 7b are diagrams showing how the polarizing filter thus formed is assembled when attached to a photoelectric switch. 11...Photoelectric switch, 12...Case, 13
, 14...Photoelectric element, 15...Aperture, 16a~
16d, 18a, 18b...Fixing pins, 17...
...Lens plate, 17a-17d, 19a-19d,
20a-20d...opening, 19-22...polarizing filter, 21a, 22a...notch.
Claims (1)
ンズ及び偏光フイルタを取付けて構成される光電
スイツチにおいて、 前記光電スイツチのケースに設けられ、ケース
内に保持される光電素子の光軸を含む位置に設け
られた開口部と、 前記開口部の周囲に設けられた固定用ピンと、 前記固定用ピンに対応する位置に開口が設けら
れ、前記ケースの開口部を被うレンズと、 前記固定用ピンに対応する位置に開口が設けら
れ、前記ケースの開口部を被う偏光フイルタと、 を有しこれらをピンに一体に挿入して同時に固
定して構成したことを特徴とする光電スイツチ。 (2) 前記偏光フイルタは同一の偏光フイルタベ
ースからプレス成形され相異なる形状を有し、前
記光電スイツチに互いに偏光面が直交するよう取
付けられる一対の偏光フイルタであることを特徴
とする請求項１記載の光電スイツチ。[Scope of Claim for Utility Model Registration] (1) In a photoelectric switch configured with a photoelectric element held inside and a lens and a polarizing filter attached on its optical axis, a photoelectric switch provided in a case of the photoelectric switch and held within the case an opening provided at a position that includes the optical axis of the photoelectric element to be mounted; a fixing pin provided around the opening; an opening provided at a position corresponding to the fixing pin; a lens that covers the case, and a polarizing filter that has an opening at a position corresponding to the fixing pin and covers the opening of the case, and these are integrally inserted into the pin and fixed at the same time. A photoelectric switch characterized by: (2) The polarizing filters are a pair of polarizing filters that are press-molded from the same polarizing filter base, have different shapes, and are attached to the photoelectric switch so that their polarization planes are orthogonal to each other. The photoelectric switch described.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15781088U JPH071716Y2 (en) | 1988-12-02 | 1988-12-02 | Photoelectric switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15781088U JPH071716Y2 (en) | 1988-12-02 | 1988-12-02 | Photoelectric switch |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0277831U true JPH0277831U (en) | 1990-06-14 |
| JPH071716Y2 JPH071716Y2 (en) | 1995-01-18 |
Family
ID=31437578
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15781088U Expired - Lifetime JPH071716Y2 (en) | 1988-12-02 | 1988-12-02 | Photoelectric switch |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH071716Y2 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05221546A (en) * | 1992-02-12 | 1993-08-31 | Mita Ind Co Ltd | Paper feeding device |
| JP2013033022A (en) * | 2011-06-29 | 2013-02-14 | Sharp Corp | Optical ranging device and electronic apparatus |
| JP2019160664A (en) * | 2018-03-15 | 2019-09-19 | オムロン株式会社 | Small photoelectric sensor |
-
1988
- 1988-12-02 JP JP15781088U patent/JPH071716Y2/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05221546A (en) * | 1992-02-12 | 1993-08-31 | Mita Ind Co Ltd | Paper feeding device |
| JP2013033022A (en) * | 2011-06-29 | 2013-02-14 | Sharp Corp | Optical ranging device and electronic apparatus |
| JP2019160664A (en) * | 2018-03-15 | 2019-09-19 | オムロン株式会社 | Small photoelectric sensor |
| CN110275212A (en) * | 2018-03-15 | 2019-09-24 | 欧姆龙株式会社 | Low profile photovoltaic sensor |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH071716Y2 (en) | 1995-01-18 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EXPY | Cancellation because of completion of term |