JPS6122001U - Fresnel lens cover - Google Patents

Fresnel lens cover

Info

Publication number
JPS6122001U
JPS6122001U JP10452984U JP10452984U JPS6122001U JP S6122001 U JPS6122001 U JP S6122001U JP 10452984 U JP10452984 U JP 10452984U JP 10452984 U JP10452984 U JP 10452984U JP S6122001 U JPS6122001 U JP S6122001U
Authority
JP
Japan
Prior art keywords
fresnel lens
lens cover
cover
plates
countless
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
JP10452984U
Other languages
Japanese (ja)
Inventor
吉高 柴田
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
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 by Individual filed Critical Individual
Priority to JP10452984U priority Critical patent/JPS6122001U/en
Publication of JPS6122001U publication Critical patent/JPS6122001U/en
Pending legal-status Critical Current

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Landscapes

  • Lens Barrels (AREA)

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図、第２図は本考案の斜面図、側断面図、第３図は
フレネルレンズの光路図である。 図で１はフレネルレンズ、１ａは溝、２はカバー。1 and 2 are a perspective view and a side sectional view of the present invention, and FIG. 3 is an optical path diagram of the Fresnel lens. In the figure, 1 is a Fresnel lens, 1a is a groove, and 2 is a cover.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 超薄型のアクリル樹脂板に１本１本角度を変えて精密無
数の溝を刻んだ平板状フレネルレンズに対してこのフレ
ネルレンズと同材質の２枚の板をカバーとして用いてフ
レネルレンズを中に収納し必要に応じ２枚の板を密封し
てなるフレネルレンズのカバー。For a flat Fresnel lens, which has countless precision grooves cut into an ultra-thin acrylic resin plate, each at a different angle, two plates made of the same material as the Fresnel lens are used as a cover to insert the Fresnel lens. A Fresnel lens cover made by storing two plates and sealing them as needed.
JP10452984U 1984-07-12 1984-07-12 Fresnel lens cover Pending JPS6122001U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10452984U JPS6122001U (en) 1984-07-12 1984-07-12 Fresnel lens cover

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10452984U JPS6122001U (en) 1984-07-12 1984-07-12 Fresnel lens cover

Publications (1)

Publication Number Publication Date
JPS6122001U true JPS6122001U (en) 1986-02-08

Family

ID=30663877

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10452984U Pending JPS6122001U (en) 1984-07-12 1984-07-12 Fresnel lens cover

Country Status (1)

Country Link
JP (1) JPS6122001U (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6393605A (en) * 1986-10-08 1988-04-23 Toyo Tire & Rubber Co Ltd Tire suitable for use of non-skid chain
JPH01149630U (en) * 1988-04-05 1989-10-17
JPH02121308U (en) * 1989-03-13 1990-10-02
JPH02130803U (en) * 1989-04-03 1990-10-30

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4711166U (en) * 1971-02-24 1972-10-09

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4711166U (en) * 1971-02-24 1972-10-09

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6393605A (en) * 1986-10-08 1988-04-23 Toyo Tire & Rubber Co Ltd Tire suitable for use of non-skid chain
JPH01149630U (en) * 1988-04-05 1989-10-17
JPH02121308U (en) * 1989-03-13 1990-10-02
JPH02130803U (en) * 1989-04-03 1990-10-30

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