JPS63106248U - - Google Patents

Info

Publication number
JPS63106248U
JPS63106248U JP1986204122U JP20412286U JPS63106248U JP S63106248 U JPS63106248 U JP S63106248U JP 1986204122 U JP1986204122 U JP 1986204122U JP 20412286 U JP20412286 U JP 20412286U JP S63106248 U JPS63106248 U JP S63106248U
Authority
JP
Japan
Prior art keywords
infrared
leds
characteristic curve
infrared radiation
information transmission
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
JP1986204122U
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 JP1986204122U priority Critical patent/JPS63106248U/ja
Publication of JPS63106248U publication Critical patent/JPS63106248U/ja
Pending legal-status Critical Current

Links

Description

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

第１図は本考案に係る情報伝送用赤外線放射装
置の一実施例を示すＬＥＤ配置図、第２図は同実
施例の指向特性図、第３図は赤外線放射範囲の移
動例を示す説明図である。 １１……プリント基板、１２……赤外ＬＥＤ、
１３……可視光ＬＥＤ、ｌ１……赤外光の指向特
性曲線、ｌ２……可視光の指向特性曲線。 Fig. 1 is an LED arrangement diagram showing an embodiment of the infrared radiation device for information transmission according to the present invention, Fig. 2 is a directional characteristic diagram of the same embodiment, and Fig. 3 is an explanatory diagram showing an example of movement of the infrared radiation range. It is. 11...Printed circuit board, 12...Infrared LED,
13...Visible light LED, l1 ...Directional characteristic curve of infrared light, l2 ...Directional characteristic curve of visible light.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 信号によつて赤外光を変調し、この赤外光を所
要領域に向けて放射する情報伝送用赤外線放射装
置において、プリント基板に多数の赤外ＬＥＤを
その合成指向特性曲線が所望の特性曲線となるよ
うに配置するとともに、前記特性曲線の輪郭形成
に関与する赤外ＬＥＤの幾つかと置換するか、あ
るいはこれらの赤外ＬＥＤの間に位置させる形で
数個の可視光ＬＥＤを設置して赤外線放射部とし
たことを特徴とする情報伝送用赤外線放射装置。 In an infrared radiation device for information transmission that modulates infrared light according to a signal and radiates the infrared light toward a desired area, a large number of infrared LEDs are mounted on a printed circuit board so that their combined directional characteristic curve is a desired characteristic curve. and several visible light LEDs are installed to replace some of the infrared LEDs involved in forming the contour of the characteristic curve, or to be located between these infrared LEDs. An infrared radiation device for information transmission, characterized by having an infrared radiation portion.
JP1986204122U 1986-12-25 1986-12-25 Pending JPS63106248U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1986204122U JPS63106248U (en) 1986-12-25 1986-12-25

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1986204122U JPS63106248U (en) 1986-12-25 1986-12-25

Publications (1)

Publication Number Publication Date
JPS63106248U true JPS63106248U (en) 1988-07-09

Family

ID=31170083

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1986204122U Pending JPS63106248U (en) 1986-12-25 1986-12-25

Country Status (1)

Country Link
JP (1) JPS63106248U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0767056A (en) * 1993-06-15 1995-03-10 Olympus Optical Co Ltd Head mount display system

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5727120U (en) * 1980-07-22 1982-02-12
JPS57152244A (en) * 1981-03-13 1982-09-20 Nec Corp Adjusting device for direction of signal light
JPS60117834A (en) * 1983-11-29 1985-06-25 Matsushita Electric Ind Co Ltd Optical space transmitter
JPS61107830A (en) * 1984-10-31 1986-05-26 Moritetsukusu:Kk Optical communication equipment on the premises

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5727120U (en) * 1980-07-22 1982-02-12
JPS57152244A (en) * 1981-03-13 1982-09-20 Nec Corp Adjusting device for direction of signal light
JPS60117834A (en) * 1983-11-29 1985-06-25 Matsushita Electric Ind Co Ltd Optical space transmitter
JPS61107830A (en) * 1984-10-31 1986-05-26 Moritetsukusu:Kk Optical communication equipment on the premises

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0767056A (en) * 1993-06-15 1995-03-10 Olympus Optical Co Ltd Head mount display system

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