JPS645128U - - Google Patents

Info

Publication number
JPS645128U
JPS645128U JP9659787U JP9659787U JPS645128U JP S645128 U JPS645128 U JP S645128U JP 9659787 U JP9659787 U JP 9659787U JP 9659787 U JP9659787 U JP 9659787U JP S645128 U JPS645128 U JP S645128U
Authority
JP
Japan
Prior art keywords
pair
pyroelectric infrared
detecting elements
infrared detecting
fresnel 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
Application number
JP9659787U
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 JP9659787U priority Critical patent/JPS645128U/ja
Publication of JPS645128U publication Critical patent/JPS645128U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)

Description

【図面の簡単な説明】
第１図は本考案の一実施例の組立斜視図、第２
図はフレネルレンズ形成体の平面図、第３図は動
作を説明する光学系の構成図、第４図及び第５図
は従来の焦電形赤外線検出器の構成図、第６図は
焦電形赤外線検出器に用いる電気回路図である。 １ａ，１ｂ……焦電形赤外線検出素子、２……
フレネルレンズ形成体、２Ａ，２Ｂ，２Ｃ，２Ｄ
，２Ｅ，２Ｆ，２Ｇ，２Ｈ，２Ｊ……フレネルレ
ンズ。

Claims (1)

  1. 【実用新案登録請求の範囲】 一対の焦電形赤外線検出素子と、 前記一対の焦電形赤外線検出素子の受光面方向
    を覆い、複数のフレネルレンズを半球殻面に分割
    形成したフレネルレンズ形成体とを有することを
    特徴とする赤外線検出器。
JP9659787U 1987-06-25 1987-06-25 Pending JPS645128U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9659787U JPS645128U (ja) 1987-06-25 1987-06-25

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9659787U JPS645128U (ja) 1987-06-25 1987-06-25

Publications (1)

Publication Number Publication Date
JPS645128U true JPS645128U (ja) 1989-01-12

Family

ID=31321597

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9659787U Pending JPS645128U (ja) 1987-06-25 1987-06-25

Country Status (1)

Country Link
JP (1) JPS645128U (ja)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02234091A (ja) * 1989-03-07 1990-09-17 Matsushita Electric Works Ltd 焦電型熱源検知器
JPH02297090A (ja) * 1989-05-12 1990-12-07 Matsushita Electric Works Ltd 人体検知装置
JPH02311779A (ja) * 1989-05-26 1990-12-27 Matsushita Electric Works Ltd 人体検出装置

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61126435A (ja) * 1984-11-26 1986-06-13 Matsushita Electric Works Ltd 熱線検知器
JPS6217746U (ja) * 1985-07-15 1987-02-02

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61126435A (ja) * 1984-11-26 1986-06-13 Matsushita Electric Works Ltd 熱線検知器
JPS6217746U (ja) * 1985-07-15 1987-02-02

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02234091A (ja) * 1989-03-07 1990-09-17 Matsushita Electric Works Ltd 焦電型熱源検知器
JPH02297090A (ja) * 1989-05-12 1990-12-07 Matsushita Electric Works Ltd 人体検知装置
JPH02311779A (ja) * 1989-05-26 1990-12-27 Matsushita Electric Works Ltd 人体検出装置

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