JPH0482870U - - Google Patents
Info
- Publication number
- JPH0482870U JPH0482870U JP12523090U JP12523090U JPH0482870U JP H0482870 U JPH0482870 U JP H0482870U JP 12523090 U JP12523090 U JP 12523090U JP 12523090 U JP12523090 U JP 12523090U JP H0482870 U JPH0482870 U JP H0482870U
- Authority
- JP
- Japan
- Prior art keywords
- light
- emitting source
- light emitting
- receiving means
- signal
- 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
- 230000005611 electricity Effects 0.000 claims 1
- 230000003287 optical effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 4
- 238000001514 detection method Methods 0.000 description 1
Description
第１図は本考案の発光源装置の一実施例を示す
機能ブロツク図である。第２図は本考案の発光源
装置の他の実施例を示す機能ブロツク図である。
第３図Ａは光量可変フイルターに印加されるパル
ス波形電圧の一例を示す電圧波形図である。第３
図Ｂは外乱を含むパルス波形電圧の一例を示す電
圧波形図である。
１……発光源、２……温度可変フイルター、４
……受光手段、５Ａ……光検出手段、６……発光
源駆動手段、８……光量可変フイルター、９……
光量可変フイルター駆動手段。
FIG. 1 is a functional block diagram showing an embodiment of the light emitting source device of the present invention. FIG. 2 is a functional block diagram showing another embodiment of the light emitting source device of the present invention.
FIG. 3A is a voltage waveform diagram showing an example of a pulse waveform voltage applied to the variable light amount filter. Third
FIG. B is a voltage waveform diagram showing an example of a pulse waveform voltage including disturbance. 1... Light emitting source, 2... Temperature variable filter, 4
...Light receiving means, 5A... Light detection means, 6... Light emitting source driving means, 8... Light amount variable filter, 9...
Variable light intensity filter driving means.
Claims (1)
出し、その光の強度に対応する電気信号に変換す
る受光手段と、この受光手段からの上記電気信号
に基づいて最適な強度の光信号を上記発光源から
発光させるように変調駆動信号を制御する発光源
駆動手段とを備えてなる発光源装置において、上
記発光源と上記受光手段との間に、温度が上昇す
るに伴つて光の透過量が低減する温度可変フイル
ターを設けたことを特徴とする発光源装置。 (2) 発光源と、該発光源から発せられた光を検
出し、その光の強度に対応する電気信号に変換す
る受光手段と、この受光手段からの上記電気信号
に基づいて最適な強度の光信号を上記発光源から
発光させるように変調駆動信号を制御する発光源
駆動手段とを備えてなる発光源装置において、上
記発光源と上記受光手段との間に入力信号により
光の透過量が変化する光量可変フイルターと、上
記入力信号を上記光量可変フイルターに出力させ
駆動させる光量可変フイルター駆動手段とを設け
たことを特徴とする発光源装置。[Claims for Utility Model Registration] (1) A light emitting source, a light receiving means for detecting the light emitted from the light emitting source and converting it into an electrical signal corresponding to the intensity of the light, and the above-mentioned electricity from the light receiving means. A light emitting source device comprising a light emitting source driving means for controlling a modulation drive signal so that the light emitting source emits an optical signal of optimum intensity based on the signal, wherein a light emitting source is provided between the light emitting source and the light receiving means. 1. A light emitting source device comprising a temperature variable filter that reduces the amount of light transmitted as the temperature rises. (2) A light emitting source, a light receiving means for detecting the light emitted from the light emitting source and converting it into an electrical signal corresponding to the intensity of the light, and determining the optimum intensity based on the electrical signal from the light receiving means. A light emitting source device comprising a light emitting source drive means for controlling a modulated drive signal so that the light signal is emitted from the light emitting source, the amount of light transmitted between the light emitting source and the light receiving means is controlled by an input signal. A light emitting source device comprising: a variable light amount filter that changes; and a variable light amount filter driving means for outputting the input signal to the variable light amount filter and driving the variable light amount filter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12523090U JPH0482870U (en) | 1990-11-29 | 1990-11-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12523090U JPH0482870U (en) | 1990-11-29 | 1990-11-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0482870U true JPH0482870U (en) | 1992-07-20 |
Family
ID=31872839
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12523090U Pending JPH0482870U (en) | 1990-11-29 | 1990-11-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0482870U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6593547B1 (en) * | 2018-04-16 | 2019-10-23 | 三菱電機株式会社 | Optical module |
-
1990
- 1990-11-29 JP JP12523090U patent/JPH0482870U/ja active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6593547B1 (en) * | 2018-04-16 | 2019-10-23 | 三菱電機株式会社 | Optical module |
| WO2019202632A1 (en) * | 2018-04-16 | 2019-10-24 | 三菱電機株式会社 | Optical module |
| CN111954961A (en) * | 2018-04-16 | 2020-11-17 | 三菱电机株式会社 | Optical module |
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