JPH0247721U - - Google Patents
Info
- Publication number
- JPH0247721U JPH0247721U JP12778788U JP12778788U JPH0247721U JP H0247721 U JPH0247721 U JP H0247721U JP 12778788 U JP12778788 U JP 12778788U JP 12778788 U JP12778788 U JP 12778788U JP H0247721 U JPH0247721 U JP H0247721U
- Authority
- JP
- Japan
- Prior art keywords
- electromagnetic device
- circuit board
- foil
- printed circuit
- fixed part
- 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.)
- Granted
Links
- 239000011888 foil Substances 0.000 claims description 5
- 238000010586 diagram Methods 0.000 description 4
Landscapes
- Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
Description
第１図はこの考案の一実施例の固定構造をプリ
ント基板の裏面から示す説明図、第２図はその電
磁装置を装備した放電灯点灯回路の回路図、第３
図はその装置の波形図、第４図は従来の電磁装置
の斜視図、第５図はその電磁装置の断面図、第６
図は同じくその電磁装置の固定部のプリント基板
裏面から示す説明図である。
１…プリント基板、２…導箔、２ａ…導箔部分
、３０…電磁装置、Ｌ２…電磁装置となるインダ
クタンス要素。
Fig. 1 is an explanatory diagram showing the fixing structure of one embodiment of this invention from the back of the printed circuit board, Fig. 2 is a circuit diagram of a discharge lamp lighting circuit equipped with the electromagnetic device, and Fig. 3
Figure 4 is a waveform diagram of the device, Figure 4 is a perspective view of a conventional electromagnetic device, Figure 5 is a sectional view of the electromagnetic device, and Figure 6 is a sectional view of the electromagnetic device.
The figure is also an explanatory diagram showing the fixed part of the electromagnetic device from the back side of the printed circuit board. DESCRIPTION OF SYMBOLS 1... Printed circuit board, 2... Conducting foil, 2a... Foil guiding portion, 30... Electromagnetic device, L 2 ... Inductance element serving as an electromagnetic device.
Claims (1)
る電磁装置をプリント基板に実装した電磁装置の
固定部構造において、前記プリント基板の導箔面
の前記電磁装置が位置する範囲の導箔を略なくし
たことを特徴とする電磁装置の固定部構造。 (2) 前記プリント基板の導箔面の前記電磁装置
が位置する範囲の導箔を完全になくした請求項(1
)記載の電磁装置の固定部構造。[Claims for Utility Model Registration] (1) In a fixed part structure of an electromagnetic device in which an electromagnetic device that operates with a waveform including frequency components in the audible range is mounted on a printed circuit board, the electromagnetic device on the foil-conducting surface of the printed circuit board is A fixed part structure of an electromagnetic device characterized by substantially eliminating a conductive foil in a positioning range. (2) Claim (1) The conductive foil is completely eliminated in the area where the electromagnetic device is located on the foil conductive surface of the printed circuit board.
) The structure of the fixed part of the electromagnetic device described in ).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988127787U JPH0718099Y2 (en) | 1988-09-27 | 1988-09-27 | Fixed structure of electromagnetic device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988127787U JPH0718099Y2 (en) | 1988-09-27 | 1988-09-27 | Fixed structure of electromagnetic device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0247721U true JPH0247721U (en) | 1990-04-03 |
| JPH0718099Y2 JPH0718099Y2 (en) | 1995-04-26 |
Family
ID=31380529
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988127787U Expired - Lifetime JPH0718099Y2 (en) | 1988-09-27 | 1988-09-27 | Fixed structure of electromagnetic device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0718099Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2017152260A (en) * | 2016-02-25 | 2017-08-31 | コイズミ照明株式会社 | Light fitting |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6074304A (en) * | 1983-09-30 | 1985-04-26 | 東芝テック株式会社 | Device for firing discharge lamp |
-
1988
- 1988-09-27 JP JP1988127787U patent/JPH0718099Y2/en not_active Expired - Lifetime
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6074304A (en) * | 1983-09-30 | 1985-04-26 | 東芝テック株式会社 | Device for firing discharge lamp |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2017152260A (en) * | 2016-02-25 | 2017-08-31 | コイズミ照明株式会社 | Light fitting |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0718099Y2 (en) | 1995-04-26 |