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
Links
- 230000005855 radiation Effects 0.000 claims description 5
- 230000005540 biological transmission Effects 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Optical Communication System (AREA)
Description
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)
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.
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)
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)
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 |
-
1986
- 1986-12-25 JP JP1986204122U patent/JPS63106248U/ja active Pending
Patent Citations (4)
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)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0767056A (en) * | 1993-06-15 | 1995-03-10 | Olympus Optical Co Ltd | Head mount display system |