JPH0226875U - - Google Patents
Info
- Publication number
- JPH0226875U JPH0226875U JP10481188U JP10481188U JPH0226875U JP H0226875 U JPH0226875 U JP H0226875U JP 10481188 U JP10481188 U JP 10481188U JP 10481188 U JP10481188 U JP 10481188U JP H0226875 U JPH0226875 U JP H0226875U
- Authority
- JP
- Japan
- Prior art keywords
- resistor
- whose
- emitter
- screen display
- transistor
- 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 2
- 238000010586 diagram Methods 0.000 description 4
Landscapes
- Color Television Systems (AREA)
Description
第１図はこの考案の一実施例によるオンスクリ
ーンデイスプレイ回路図、第２図はこの考案の回
路のオンスクリーンデイスプレイ出力の波形図、
第３図は従来のオンスクリーンデイスプレイ回路
図、第４図は従来回路のオンスクリーンデイスプ
レイ出力の波形図を示す。
図において、１は電源、２はオンスクリーンデ
ータ、３はＰＮＰトランジスタ、４は抵抗、５は
コンデンサ、６はダイオード、７はオンスクリー
ンデイスプレイ出力、８は抵抗、９は色差出力を
示す。なお、図中、同一符号は同一、又は相当部
分を示す。
FIG. 1 is an on-screen display circuit diagram according to an embodiment of this invention, and FIG. 2 is a waveform diagram of the on-screen display output of the circuit of this invention.
FIG. 3 shows a conventional on-screen display circuit diagram, and FIG. 4 shows a waveform diagram of the on-screen display output of the conventional circuit. In the figure, 1 is a power supply, 2 is on-screen data, 3 is a PNP transistor, 4 is a resistor, 5 is a capacitor, 6 is a diode, 7 is an on-screen display output, 8 is a resistor, and 9 is a color difference output. In addition, in the figures, the same reference numerals indicate the same or equivalent parts.
Claims (1)
タがＧＮＤに接続されベースがオンスクリーンデ
ータと接続されたＰＮＰトランジスタと、上記Ｐ
ＮＰトランジスタのエミツタと色差出力の間にダ
イオードと抵抗、これと並列にコンデンサを接続
したことを特徴とするオンスクリーンデイスプレ
イ回路。 A PNP transistor whose emitter is connected to a power supply through a resistor, whose collector is connected to GND, and whose base is connected to on-screen data;
An on-screen display circuit characterized by connecting a diode and a resistor between the emitter of an NP transistor and a color difference output, and a capacitor connected in parallel with this.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10481188U JPH0226875U (en) | 1988-08-08 | 1988-08-08 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10481188U JPH0226875U (en) | 1988-08-08 | 1988-08-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0226875U true JPH0226875U (en) | 1990-02-21 |
Family
ID=31336859
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10481188U Pending JPH0226875U (en) | 1988-08-08 | 1988-08-08 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0226875U (en) |
-
1988
- 1988-08-08 JP JP10481188U patent/JPH0226875U/ja active Pending
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