JPH03110797U - - Google Patents
Info
- Publication number
- JPH03110797U JPH03110797U JP1990018248U JP1824890U JPH03110797U JP H03110797 U JPH03110797 U JP H03110797U JP 1990018248 U JP1990018248 U JP 1990018248U JP 1824890 U JP1824890 U JP 1824890U JP H03110797 U JPH03110797 U JP H03110797U
- Authority
- JP
- Japan
- Prior art keywords
- light amount
- lighting equipment
- value
- current
- deterioration
- 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
- 230000006866 deterioration Effects 0.000 claims description 5
- 238000001514 detection method Methods 0.000 claims 1
- 238000003745 diagnosis Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Photometry And Measurement Of Optical Pulse Characteristics (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990018248U JPH03110797U (en]) | 1990-02-27 | 1990-02-27 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990018248U JPH03110797U (en]) | 1990-02-27 | 1990-02-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH03110797U true JPH03110797U (en]) | 1991-11-13 |
Family
ID=31521410
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1990018248U Pending JPH03110797U (en]) | 1990-02-27 | 1990-02-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH03110797U (en]) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPWO2016104191A1 (ja) * | 2014-12-26 | 2017-11-09 | 日立マクセル株式会社 | 照明装置 |
| JP2020507180A (ja) * | 2017-01-23 | 2020-03-05 | シグニファイ ホールディング ビー ヴィＳｉｇｎｉｆｙ Ｈｏｌｄｉｎｇ Ｂ．Ｖ． | 調光可能なパルス駆動されるｌｅｄライトストリングの健全性状態を判断するためのシステム及び方法 |
-
1990
- 1990-02-27 JP JP1990018248U patent/JPH03110797U/ja active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPWO2016104191A1 (ja) * | 2014-12-26 | 2017-11-09 | 日立マクセル株式会社 | 照明装置 |
| JP2020507180A (ja) * | 2017-01-23 | 2020-03-05 | シグニファイ ホールディング ビー ヴィＳｉｇｎｉｆｙ Ｈｏｌｄｉｎｇ Ｂ．Ｖ． | 調光可能なパルス駆動されるｌｅｄライトストリングの健全性状態を判断するためのシステム及び方法 |