JPS6277963U - - Google Patents
Info
- Publication number
- JPS6277963U JPS6277963U JP16987285U JP16987285U JPS6277963U JP S6277963 U JPS6277963 U JP S6277963U JP 16987285 U JP16987285 U JP 16987285U JP 16987285 U JP16987285 U JP 16987285U JP S6277963 U JPS6277963 U JP S6277963U
- Authority
- JP
- Japan
- Prior art keywords
- voltage
- focus
- anode
- diode
- circuit
- 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
- 239000003990 capacitor Substances 0.000 claims description 3
- 230000008878 coupling Effects 0.000 claims description 2
- 238000010168 coupling process Methods 0.000 claims description 2
- 238000005859 coupling reaction Methods 0.000 claims description 2
- 230000003068 static effect Effects 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 4
Landscapes
- Details Of Television Scanning (AREA)
Description
第１図は本考案の一実施例に係るダイナミツク
フオーカス回路の構成図、第２図は本考案におけ
るフオーカス電圧の波形図、第３図は従来のダイ
ナミツクフオーカス回路の構成図、第４図は従来
のフオーカス電圧の波形図である。
４…分圧回路、５…放物線状波発生回路、６…
カツプリングコンデンサ、７…ブラウン管、８…
ダイオード、１２…アノード電圧、１５…フオー
カス電圧、１６…フオーカス電極、１７…アノー
ド電極。
FIG. 1 is a block diagram of a dynamic focus circuit according to an embodiment of the present invention, FIG. 2 is a waveform diagram of a focus voltage in the present invention, and FIG. 3 is a block diagram of a conventional dynamic focus circuit. FIG. 4 is a waveform diagram of a conventional focus voltage. 4... Voltage dividing circuit, 5... Parabolic wave generation circuit, 6...
Coupling capacitor, 7... Braun tube, 8...
Diode, 12... Anode voltage, 15... Focus voltage, 16... Focus electrode, 17... Anode electrode.
Claims (1)
ド電圧を所定の分割比に応じて分割し、スタテイ
ツクフオーカス電圧を発生する分圧回路と、アノ
ード端に前記スタテイツクフオーカス電圧が供給
されるダイオードと、このダイオードのカソード
端に一端が接続されるカツプリングコンデンサと
、このコンデンサの他端に放物線状波形電圧を供
給する放物線状波発生回路とを有し、前記ダイオ
ードとコンデンサの接続点において得られるフオ
ーカス電圧を前記ブラウン管のフオーカス電極に
供給して成るダイナミツクフオーカス回路。 a voltage divider circuit that divides an anode voltage supplied to an anode electrode of a cathode ray tube according to a predetermined division ratio to generate a static focus voltage; and a diode to which the static focus voltage is supplied to an anode end. It has a coupling capacitor with one end connected to the cathode end of this diode, and a parabolic wave generation circuit that supplies a parabolic waveform voltage to the other end of this capacitor. A dynamic focus circuit that supplies voltage to the focus electrode of the cathode ray tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16987285U JPS6277963U (en) | 1985-11-06 | 1985-11-06 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16987285U JPS6277963U (en) | 1985-11-06 | 1985-11-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6277963U true JPS6277963U (en) | 1987-05-19 |
Family
ID=31104074
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16987285U Pending JPS6277963U (en) | 1985-11-06 | 1985-11-06 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6277963U (en) |
-
1985
- 1985-11-06 JP JP16987285U patent/JPS6277963U/ja active Pending
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