JPH01167768U - - Google Patents
Info
- Publication number
- JPH01167768U JPH01167768U JP6525488U JP6525488U JPH01167768U JP H01167768 U JPH01167768 U JP H01167768U JP 6525488 U JP6525488 U JP 6525488U JP 6525488 U JP6525488 U JP 6525488U JP H01167768 U JPH01167768 U JP H01167768U
- Authority
- JP
- Japan
- Prior art keywords
- pulse
- circuit
- output
- pulse width
- detection
- 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 4
- 230000002159 abnormal effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Details Of Television Scanning (AREA)
Description
第１図は本考案の一実施例を示す回路図、第２
図はその各部のパルス波形を示す波形図である。
１……垂直偏向回路、２……第１検出回路、５
……Ｄフリツプ・フロツプ、７……整流回路。
Figure 1 is a circuit diagram showing one embodiment of the present invention, Figure 2 is a circuit diagram showing an embodiment of the present invention.
The figure is a waveform diagram showing pulse waveforms at each part. 1... Vertical deflection circuit, 2... First detection circuit, 5
...D flip-flop, 7... Rectifier circuit.
Claims (1)
時のパルス幅Ｔ０よりも少許大なる一定パルス幅
Ｔ２の基準パルスを作成する回路と、その基準パ
ルスと前記出力パルスの瞬時パルス幅Ｔ１とを比
較しＴ１≧Ｔ２のときに検出出力を発生する回路
と、その検出出力と前記出力パルスの平滑出力と
の論理積を行なう回路とからなる偏向回路の異常
状態検出回路。 A circuit that synchronizes with the output pulse of a deflection circuit and creates a reference pulse having a constant pulse width T2 that is slightly larger than the normal pulse width T0 of the pulse, and an instantaneous pulse width T1 of the reference pulse and the output pulse. An abnormal state detection circuit for a deflection circuit, comprising a circuit that generates a detection output when T 1 ≧T 2 and a circuit that performs an AND operation between the detection output and the smoothed output of the output pulse.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6525488U JPH01167768U (en) | 1988-05-18 | 1988-05-18 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6525488U JPH01167768U (en) | 1988-05-18 | 1988-05-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01167768U true JPH01167768U (en) | 1989-11-27 |
Family
ID=31290693
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6525488U Pending JPH01167768U (en) | 1988-05-18 | 1988-05-18 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01167768U (en) |
-
1988
- 1988-05-18 JP JP6525488U patent/JPH01167768U/ja active Pending
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