JPS6329101U - - Google Patents

Info

Publication number
JPS6329101U
JPS6329101U JP12327586U JP12327586U JPS6329101U JP S6329101 U JPS6329101 U JP S6329101U JP 12327586 U JP12327586 U JP 12327586U JP 12327586 U JP12327586 U JP 12327586U JP S6329101 U JPS6329101 U JP S6329101U
Authority
JP
Japan
Prior art keywords
optical system
lenses
detector
centers
curved 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.)
Pending
Application number
JP12327586U
Other languages
English (en)
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 JP12327586U priority Critical patent/JPS6329101U/ja
Publication of JPS6329101U publication Critical patent/JPS6329101U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Geophysics And Detection Of Objects (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)

Description

【図面の簡単な説明】
第1図は本考案の検知器の光学系の一実施例の
斜視図、第2図は第1図の光学図、第3図は本考
案が適用される検知器の斜視図、第4図は平面フ
レネルレンズの斜視図、第5図は第4図の光学図
、第6図は従来の曲面フレネルレンズの斜視図、
第7図は第6図の光学図である。 8a〜8f……レンズ素体、F……特定点。

Claims (1)

    【実用新案登録請求の範囲】
  1. 円筒体をその軸心方向に切断した断面弧状の湾
    曲面を有するフレネルレンズからなる光学系にお
    いて、前記湾曲面に対し直交方向に分割した複数
    個のレンズ素体を、それぞれの焦点距離を特定点
    に合致させるとともに各々のレンズ中心を同一線
    上に一致させて一体に連設してなることを特徴と
    する検知器の光学系。
JP12327586U 1986-08-11 1986-08-11 Pending JPS6329101U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12327586U JPS6329101U (ja) 1986-08-11 1986-08-11

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12327586U JPS6329101U (ja) 1986-08-11 1986-08-11

Publications (1)

Publication Number Publication Date
JPS6329101U true JPS6329101U (ja) 1988-02-25

Family

ID=31014232

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12327586U Pending JPS6329101U (ja) 1986-08-11 1986-08-11

Country Status (1)

Country Link
JP (1) JPS6329101U (ja)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0298196U (ja) * 1989-01-21 1990-08-06
JPH02134199U (ja) * 1989-04-12 1990-11-07
JPH066694U (ja) * 1992-06-26 1994-01-28 セイキ販売株式会社 ロールスクリーン装置

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5326943B2 (ja) * 1973-03-22 1978-08-04

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5326943B2 (ja) * 1973-03-22 1978-08-04

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0298196U (ja) * 1989-01-21 1990-08-06
JPH02134199U (ja) * 1989-04-12 1990-11-07
JPH066694U (ja) * 1992-06-26 1994-01-28 セイキ販売株式会社 ロールスクリーン装置

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