JPH02119395U - - Google Patents
Info
- Publication number
- JPH02119395U JPH02119395U JP2730989U JP2730989U JPH02119395U JP H02119395 U JPH02119395 U JP H02119395U JP 2730989 U JP2730989 U JP 2730989U JP 2730989 U JP2730989 U JP 2730989U JP H02119395 U JPH02119395 U JP H02119395U
- Authority
- JP
- Japan
- Prior art keywords
- power source
- discharge lamp
- polarity
- current
- keep
- 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
- 238000001514 detection method Methods 0.000 claims description 3
- 239000007858 starting material Substances 0.000 claims description 2
- 239000004065 semiconductor Substances 0.000 claims 3
Landscapes
- Circuit Arrangements For Discharge Lamps (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2730989U JPH02119395U (th) | 1989-03-13 | 1989-03-13 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2730989U JPH02119395U (th) | 1989-03-13 | 1989-03-13 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH02119395U true JPH02119395U (th) | 1990-09-26 |
Family
ID=31249686
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2730989U Pending JPH02119395U (th) | 1989-03-13 | 1989-03-13 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH02119395U (th) |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS56112885A (en) * | 1980-02-06 | 1981-09-05 | Matsushita Seiko Co Ltd | Protecting device for inverter |
JPS57162290A (en) * | 1981-03-30 | 1982-10-06 | Mitsubishi Electric Corp | Device for firing discharge lamp |
JPS59213224A (ja) * | 1983-05-17 | 1984-12-03 | 株式会社東芝 | 接地検出装置 |
JPS6118368A (ja) * | 1984-07-05 | 1986-01-27 | Toshiba Corp | 電力変換装置の保護装置 |
JPS6154174A (ja) * | 1984-08-23 | 1986-03-18 | 松下電工株式会社 | ヒ−タ断線検出兼漏電検出回路 |
JPS6144800B2 (th) * | 1981-05-19 | 1986-10-04 | Shinko Denki Kk | |
JPS61263080A (ja) * | 1985-05-16 | 1986-11-21 | 日立金属株式会社 | 電熱炉装置 |
JPS63301493A (ja) * | 1987-05-30 | 1988-12-08 | Kagenari Kokuno | 放電灯の電力制御方法及びその方法に使用する電子バラスト |
-
1989
- 1989-03-13 JP JP2730989U patent/JPH02119395U/ja active Pending
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS56112885A (en) * | 1980-02-06 | 1981-09-05 | Matsushita Seiko Co Ltd | Protecting device for inverter |
JPS57162290A (en) * | 1981-03-30 | 1982-10-06 | Mitsubishi Electric Corp | Device for firing discharge lamp |
JPS6144800B2 (th) * | 1981-05-19 | 1986-10-04 | Shinko Denki Kk | |
JPS59213224A (ja) * | 1983-05-17 | 1984-12-03 | 株式会社東芝 | 接地検出装置 |
JPS6118368A (ja) * | 1984-07-05 | 1986-01-27 | Toshiba Corp | 電力変換装置の保護装置 |
JPS6154174A (ja) * | 1984-08-23 | 1986-03-18 | 松下電工株式会社 | ヒ−タ断線検出兼漏電検出回路 |
JPS61263080A (ja) * | 1985-05-16 | 1986-11-21 | 日立金属株式会社 | 電熱炉装置 |
JPS63301493A (ja) * | 1987-05-30 | 1988-12-08 | Kagenari Kokuno | 放電灯の電力制御方法及びその方法に使用する電子バラスト |
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