JPH0186788U - - Google Patents
Info
- Publication number
- JPH0186788U JPH0186788U JP18354587U JP18354587U JPH0186788U JP H0186788 U JPH0186788 U JP H0186788U JP 18354587 U JP18354587 U JP 18354587U JP 18354587 U JP18354587 U JP 18354587U JP H0186788 U JPH0186788 U JP H0186788U
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- degaussing
- power line
- degaussing coil
- ray tube
- 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
- 238000010586 diagram Methods 0.000 description 3
- 239000003990 capacitor Substances 0.000 description 1
Description
第１図は本考案消磁回路の一実施例の回路図、
第２図は従来の消磁回路の回路図、第３図は消磁
コイルに流れる電流の時間特性図である。
１……ＡＣ電源入力端、２……電源スイツチ、
３……消磁コイル、４……整流器、５……コンデ
ンサ、６……正特性サーミスタ、７……第１正特
性サーミスタ、８……第２正特性サーミスタ、９
，１０……リレー、１１〜１３……トランジスタ
、１４……ツエナーダイオード、１５〜２０……
抵抗。
FIG. 1 is a circuit diagram of an embodiment of the degaussing circuit of the present invention.
FIG. 2 is a circuit diagram of a conventional degaussing circuit, and FIG. 3 is a time characteristic diagram of a current flowing through a degaussing coil. 1...AC power input terminal, 2...Power switch,
3... Demagnetizing coil, 4... Rectifier, 5... Capacitor, 6... Positive temperature coefficient thermistor, 7... First positive temperature coefficient thermistor, 8... Second positive coefficient thermistor, 9
, 10... Relay, 11-13... Transistor, 14... Zener diode, 15-20...
resistance.
Claims (1)
レビジヨン受像機の消磁回路において、陰極線管
に隣接して配置された消磁コイルと、前記消磁コ
イルの一端はＡＣ電源ラインの一端に接続されて
、もう一端は正特性サーミスタと、回路を接続、
遮断するための開閉装置の直列回路が複数接続さ
れた並列回路を介して前記ＡＣ電源ラインの他端
に接続されて、前記複数の開閉装置はＡＣ電源電
圧により開閉制御されて、前記複数の初期抵抗値
の異なる正特性サーミスタのうちいずれかを介し
て適正なＡＣ電流を消磁コイルに流すようにした
ことを特徴とするカラーテレビジヨン受像機の消
磁回路。 In a degaussing circuit for a color television receiver that degausses a cathode ray tube when the power is turned on, a degaussing coil is placed adjacent to the cathode ray tube, one end of the degaussing coil is connected to one end of an AC power line, and the other end is connected to one end of the AC power line. Connect the circuit with a positive thermistor,
A series circuit of a switchgear for disconnection is connected to the other end of the AC power line via a plurality of connected parallel circuits, and the plurality of switchgears are controlled to open and close by the AC power supply voltage, and the plurality of initialization A degaussing circuit for a color television receiver, characterized in that an appropriate AC current is caused to flow through a degaussing coil through one of positive characteristic thermistors having different resistance values.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18354587U JPH0186788U (en) | 1987-11-30 | 1987-11-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18354587U JPH0186788U (en) | 1987-11-30 | 1987-11-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0186788U true JPH0186788U (en) | 1989-06-08 |
Family
ID=31474965
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18354587U Pending JPH0186788U (en) | 1987-11-30 | 1987-11-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0186788U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54151324A (en) * | 1978-05-19 | 1979-11-28 | Matsushita Electric Ind Co Ltd | Demagnetizer |
-
1987
- 1987-11-30 JP JP18354587U patent/JPH0186788U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54151324A (en) * | 1978-05-19 | 1979-11-28 | Matsushita Electric Ind Co Ltd | Demagnetizer |
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