JPH044290U - - Google Patents

Info

Publication number
JPH044290U
JPH044290U JP4631590U JP4631590U JPH044290U JP H044290 U JPH044290 U JP H044290U JP 4631590 U JP4631590 U JP 4631590U JP 4631590 U JP4631590 U JP 4631590U JP H044290 U JPH044290 U JP H044290U
Authority
JP
Japan
Prior art keywords
heat ray
lens
detection element
focusing lens
fresnel lenses
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
Application number
JP4631590U
Other languages
Japanese (ja)
Other versions
JP2501596Y2 (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 JP4631590U priority Critical patent/JP2501596Y2/en
Publication of JPH044290U publication Critical patent/JPH044290U/ja
Application granted granted Critical
Publication of JP2501596Y2 publication Critical patent/JP2501596Y2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Description

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

第１図及び第２図は本考案の第一実施例を示す
もので、第１図は概略構成の平面図、第２図は集
束レンズの作用説明図、第３図乃至第５図は本考
案の第二実施例を示し、第３図は概略構成の平面
図、第４図は集束レンズの作用説明図、第５図は
正面斜視図、第６図は従来例の概略構成図である
。 １……熱線検出素子、２……集束レンズ（フレ
ネルレンズ）、３……偏向ミラー、３ａ……略帯
板状ミラー。 1 and 2 show the first embodiment of the present invention, in which FIG. 1 is a plan view of the schematic structure, FIG. 2 is an explanatory diagram of the action of the focusing lens, and FIGS. A second embodiment of the invention is shown, FIG. 3 is a plan view of the schematic configuration, FIG. 4 is an explanatory diagram of the function of the focusing lens, FIG. 5 is a front perspective view, and FIG. 6 is a schematic configuration diagram of a conventional example. . DESCRIPTION OF SYMBOLS 1... Heat ray detection element, 2... Focusing lens (Fresnel lens), 3... Deflection mirror, 3a... Approximately band-shaped mirror.

Claims (1)

【実用新案登録請求の範囲】 (1) 熱線検出素子と、熱線集束レンズとからな
り人体を検知するようにした検知器において、前
記レンズはフレネルレンズとすると共に、該レン
ズの前面に略帯板状ミラーを多数枚並設してルー
バー又はブラインド状とした偏向ミラーを配設し
たことを特徴とする熱線式検知器。 (2) 前記集束レンズは複数枚のフレネルレンズ
からなる請求項１記載の熱線式検知器。 (3) 複数枚の前記フレネルレンズは、前記熱線
検出素子を中心とする円弧上に配設されている請
求項２記載の熱線式検知器。[Claims for Utility Model Registration] (1) In a detector configured to detect a human body, which includes a heat ray detection element and a heat ray focusing lens, the lens is a Fresnel lens, and a substantially strip plate is provided in front of the lens. A hot wire type detector characterized by having a deflecting mirror formed by arranging a large number of shaped mirrors in a louver or blind shape. (2) The hot-wire detector according to claim 1, wherein the focusing lens comprises a plurality of Fresnel lenses. (3) The heat ray detector according to claim 2, wherein the plurality of Fresnel lenses are arranged on an arc centered on the heat ray detection element.
JP4631590U 1990-04-27 1990-04-27 Hot wire detector Expired - Lifetime JP2501596Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4631590U JP2501596Y2 (en) 1990-04-27 1990-04-27 Hot wire detector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4631590U JP2501596Y2 (en) 1990-04-27 1990-04-27 Hot wire detector

Publications (2)

Publication Number Publication Date
JPH044290U true JPH044290U (en) 1992-01-16
JP2501596Y2 JP2501596Y2 (en) 1996-06-19

Family

ID=31561291

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4631590U Expired - Lifetime JP2501596Y2 (en) 1990-04-27 1990-04-27 Hot wire detector

Country Status (1)

Country Link
JP (1) JP2501596Y2 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008128912A (en) * 2006-11-22 2008-06-05 Matsushita Electric Works Ltd Infrared detector and method of making the same
WO2008149926A1 (en) * 2007-06-08 2008-12-11 Panasonic Electric Works Co., Ltd. Infrared ray detector
JP2012212108A (en) * 2011-03-18 2012-11-01 Ricoh Co Ltd Optical element, light detecting device, and object detecting system

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008128912A (en) * 2006-11-22 2008-06-05 Matsushita Electric Works Ltd Infrared detector and method of making the same
WO2008149926A1 (en) * 2007-06-08 2008-12-11 Panasonic Electric Works Co., Ltd. Infrared ray detector
US8648307B2 (en) 2007-06-08 2014-02-11 Panasonic Corporation Infrared ray detector
JP2012212108A (en) * 2011-03-18 2012-11-01 Ricoh Co Ltd Optical element, light detecting device, and object detecting system

Also Published As

Publication number Publication date
JP2501596Y2 (en) 1996-06-19

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