JPH021701U - - Google Patents
Info
- Publication number
- JPH021701U JPH021701U JP14719988U JP14719988U JPH021701U JP H021701 U JPH021701 U JP H021701U JP 14719988 U JP14719988 U JP 14719988U JP 14719988 U JP14719988 U JP 14719988U JP H021701 U JPH021701 U JP H021701U
- Authority
- JP
- Japan
- Prior art keywords
- sheet
- view
- condensing lens
- condensing
- lens
- 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
- 238000001514 detection method Methods 0.000 claims description 3
- 230000003287 optical effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Burglar Alarm Systems (AREA)
Description
第1図は従来の集光レンズシートの斜視図、第
2図は同シートを湾曲させた状態を示す斜視図、
第3図は従来の単位フレネルレンズの光路を示す
図、第4図は従来の単位フレネルレンズの斜視図
、第5図は同a〜b線断面図、第6図は同c〜d
線断面図、第7図は同湾曲させたc〜d線断面図
、第8図は本考案の集光レンズシートの斜視図、
第9図は同シートを湾曲させた状態を示す斜視図
、第10図は本考案検出器用集光レンズシートを
構成すの単位リニアフレネルレンズの光路を示す
図、第11図は同単位リニアフレネルレンズの斜
視図、第12図は同a〜b線断面図、第13図は
同c〜d線断面図、第14図は同湾曲させたc〜
d線断面図、第15図は本考案検出器用集光レン
ズシートの検出範囲を示す横断面図、第16図は
同縦断面図、第17図は本考案の集光レンズシー
トを使用した検知器の斜視図である。
1……従来の集光レンズシート、2……フレネ
ルレンズ、3……受光素子、4……本考案検出器
用集光レンズシート、5……交差リニアフレネル
レンズ、6……検出器。
Fig. 1 is a perspective view of a conventional condensing lens sheet, Fig. 2 is a perspective view showing the sheet in a curved state,
Fig. 3 is a diagram showing the optical path of a conventional unit Fresnel lens, Fig. 4 is a perspective view of a conventional unit Fresnel lens, Fig. 5 is a sectional view taken along line a-b, and Fig. 6 is c-d.
7 is a cross-sectional view along the curved line c to d, and FIG. 8 is a perspective view of the condensing lens sheet of the present invention.
Fig. 9 is a perspective view showing the same sheet in a curved state, Fig. 10 is a view showing the optical path of the unit linear Fresnel lens constituting the condensing lens sheet for a detector of the present invention, and Fig. 11 is the same unit linear Fresnel lens. A perspective view of the lens, FIG. 12 is a cross-sectional view taken along the line a-b, FIG. 13 is a cross-sectional view taken along the line c-d, and FIG. 14 is a curved cross-sectional view of the lens.
d-line cross-sectional view, Figure 15 is a cross-sectional view showing the detection range of the condensing lens sheet for the detector of the present invention, Figure 16 is a longitudinal cross-sectional view of the same, and Figure 17 is a detection using the condensing lens sheet of the present invention. It is a perspective view of a container. DESCRIPTION OF SYMBOLS 1... Conventional condensing lens sheet, 2... Fresnel lens, 3... Light receiving element, 4... Condensing lens sheet for the detector of the present invention, 5... Cross linear Fresnel lens, 6... Detector.
Claims (1)
を有する赤外線透過資材製のシートであつて、各
集光レンズをシートの両面でほぼ直角に交差する
交差リニアフレネルレンズとしたことを特徴とす
る検出器用集光レンズシート。 A sheet made of an infrared-transmissive material having condensing lenses respectively corresponding to a plurality of detection areas, and each condensing lens being a crossed linear Fresnel lens that intersects at almost right angles on both sides of the sheet. Condensing lens sheet.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP14719988U JPH021701U (en) | 1987-11-11 | 1988-11-11 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP17142287 | 1987-11-11 | ||
JP14719988U JPH021701U (en) | 1987-11-11 | 1988-11-11 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH021701U true JPH021701U (en) | 1990-01-08 |
Family
ID=31719026
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP14719988U Pending JPH021701U (en) | 1987-11-11 | 1988-11-11 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH021701U (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003529792A (en) * | 2000-03-31 | 2003-10-07 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | One-piece lens array for collimation and convergence and LED light emitter using the one-piece lens array |
JP2009257732A (en) * | 2008-12-26 | 2009-11-05 | Nippon Tokushu Kogaku Jushi Kk | Solar system |
JP2018128679A (en) * | 2018-02-16 | 2018-08-16 | 大日本印刷株式会社 | Linear fresnel lens sheet, transmission type display, and method for manufacturing linear fresnel lens sheet |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4928041B1 (en) * | 1967-08-29 | 1974-07-23 | ||
JPS57105703A (en) * | 1980-11-04 | 1982-07-01 | Minnesota Mining & Mfg | Point focal point condenser |
-
1988
- 1988-11-11 JP JP14719988U patent/JPH021701U/ja active Pending
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4928041B1 (en) * | 1967-08-29 | 1974-07-23 | ||
JPS57105703A (en) * | 1980-11-04 | 1982-07-01 | Minnesota Mining & Mfg | Point focal point condenser |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003529792A (en) * | 2000-03-31 | 2003-10-07 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | One-piece lens array for collimation and convergence and LED light emitter using the one-piece lens array |
JP2009257732A (en) * | 2008-12-26 | 2009-11-05 | Nippon Tokushu Kogaku Jushi Kk | Solar system |
JP2018128679A (en) * | 2018-02-16 | 2018-08-16 | 大日本印刷株式会社 | Linear fresnel lens sheet, transmission type display, and method for manufacturing linear fresnel lens sheet |