JPH01177674U - - Google Patents
Info
- Publication number
- JPH01177674U JPH01177674U JP7242188U JP7242188U JPH01177674U JP H01177674 U JPH01177674 U JP H01177674U JP 7242188 U JP7242188 U JP 7242188U JP 7242188 U JP7242188 U JP 7242188U JP H01177674 U JPH01177674 U JP H01177674U
- Authority
- JP
- Japan
- Prior art keywords
- demagnetizing
- turned
- switching element
- power
- time
- 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
- 230000002457 bidirectional effect Effects 0.000 claims 2
- 230000004913 activation Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 4
Landscapes
- Video Image Reproduction Devices For Color Tv Systems (AREA)
Description
第１図は、この考案の消磁回路の一実施例を示
す回路図、第２図は、第１図に示した回路各部の
信号波形図、第３図は、従来の消磁回路の一例を
示す回路図、第４図は、第３図に示した回路各部
の信号波形図である。
３……消磁コイル、１０……正特性サーミスタ
、１１……消磁回路、１２……トライアツク、１
３……時限作動回路。
Fig. 1 is a circuit diagram showing an embodiment of the degaussing circuit of this invention, Fig. 2 is a signal waveform diagram of each part of the circuit shown in Fig. 1, and Fig. 3 is an example of a conventional degaussing circuit. The circuit diagram, FIG. 4, is a signal waveform diagram of each part of the circuit shown in FIG. 3. 3... Demagnetizing coil, 10... Positive characteristic thermistor, 11... Demagnetizing circuit, 12... Triack, 1
3...Timed operation circuit.
Claims (1)
を通電することによつて、消磁対象の帯磁を消磁
する消磁コイルと、この消磁コイルの消磁電流路
に交流スイツチとして設けた双方向スイツチング
素子と、前記交流電源の投入後、あらかじめ定め
た一定期間だけ前記双方向スイツチング素子を導
通状態とする時限作動回路とを設けてなる消磁回
路。 A demagnetizing coil that demagnetizes a target object by passing a demagnetizing current that dampens and oscillates when AC power is turned on; a bidirectional switching element provided as an AC switch in the demagnetizing current path of the demagnetizing coil; A degaussing circuit comprising: a time-limited activation circuit that brings the bidirectional switching element into conduction for a predetermined period of time after power is turned on.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7242188U JPH01177674U (en) | 1988-05-31 | 1988-05-31 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7242188U JPH01177674U (en) | 1988-05-31 | 1988-05-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01177674U true JPH01177674U (en) | 1989-12-19 |
Family
ID=31297588
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7242188U Pending JPH01177674U (en) | 1988-05-31 | 1988-05-31 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01177674U (en) |
-
1988
- 1988-05-31 JP JP7242188U patent/JPH01177674U/ja active Pending
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