JPH0239208U - - Google Patents

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Publication number
JPH0239208U
JPH0239208U JP11769188U JP11769188U JPH0239208U JP H0239208 U JPH0239208 U JP H0239208U JP 11769188 U JP11769188 U JP 11769188U JP 11769188 U JP11769188 U JP 11769188U JP H0239208 U JPH0239208 U JP H0239208U
Authority
JP
Japan
Prior art keywords
shielding plate
light emitting
small hole
emitting body
light
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
JP11769188U
Other languages
Japanese (ja)
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 JP11769188U priority Critical patent/JPH0239208U/ja
Publication of JPH0239208U publication Critical patent/JPH0239208U/ja
Pending legal-status Critical Current

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  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Geophysics And Detection Of Objects (AREA)

Description

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

第１図は本考案の一実施例の概略を示す説明図
、第２図は光ビームの屈析を利用した被検出体の
検出方法を示す説明図、第３図は該検出方法の応
用例を示す説明図である。 ７は発光ダイオード、８はドライブ回路、９は
第１遮蔽板、１０は第２遮蔽板、１１は点孔、１
２は通孔、１３は光拡散板、１４は集光レンズを
示す。 Fig. 1 is an explanatory diagram showing an outline of an embodiment of the present invention, Fig. 2 is an explanatory diagram showing a method for detecting an object using refraction of a light beam, and Fig. 3 is an example of application of the detection method. FIG. 7 is a light emitting diode, 8 is a drive circuit, 9 is a first shielding plate, 10 is a second shielding plate, 11 is a point hole, 1
2 is a through hole, 13 is a light diffusing plate, and 14 is a condensing lens.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 発光ダイオード等の発光体と、前記発光体に対
して順次配設され、小孔を穿設した第１の遮蔽板
、第２の遮蔽板と、第１の遮蔽板の小孔の発光体
側に設けられた光拡散板と、第２の遮蔽板の小孔
の第１の遮蔽板側に設けられた集光レンズを具備
したことを特徴とする光ビーム発生装置。 A light emitting body such as a light emitting diode, a first shielding plate provided with a small hole in the light emitting body, a second shielding plate, and a small hole of the first shielding plate on the side of the light emitting body. A light beam generating device comprising: a light diffusing plate; and a condensing lens provided on the first shielding plate side of the small hole of the second shielding plate.
JP11769188U 1988-09-07 1988-09-07 Pending JPH0239208U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11769188U JPH0239208U (en) 1988-09-07 1988-09-07

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11769188U JPH0239208U (en) 1988-09-07 1988-09-07

Publications (1)

Publication Number Publication Date
JPH0239208U true JPH0239208U (en) 1990-03-15

Family

ID=31361373

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11769188U Pending JPH0239208U (en) 1988-09-07 1988-09-07

Country Status (1)

Country Link
JP (1) JPH0239208U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2018066730A (en) * 2016-10-19 2018-04-26 オムロン株式会社 Transmission type photoelectric sensor and target detection system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2018066730A (en) * 2016-10-19 2018-04-26 オムロン株式会社 Transmission type photoelectric sensor and target detection system

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