JPH01162972U - - Google Patents
Info
- Publication number
- JPH01162972U JPH01162972U JP5925288U JP5925288U JPH01162972U JP H01162972 U JPH01162972 U JP H01162972U JP 5925288 U JP5925288 U JP 5925288U JP 5925288 U JP5925288 U JP 5925288U JP H01162972 U JPH01162972 U JP H01162972U
- Authority
- JP
- Japan
- Prior art keywords
- voltage
- circuit
- video output
- comparison
- reproduction
- 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.)
- Granted
Links
- 230000008929 regeneration Effects 0.000 claims description 2
- 238000011069 regeneration method Methods 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 5
Landscapes
- Picture Signal Circuits (AREA)
Description
第１図は、この考案のＣＲＴ受像機の一実施例
を示す回路構成図、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ＣＲＴ受
像機の一例を示す回路構成図、第４図は、第３図
に示した受像管のカソード電圧波形を示す図であ
る。
６……受像管、１１……ＣＲＴ受像機、１２…
…サンプルホールド回路、１３……比較回路、１
４……制御回路、１５……直流再生回路。
Fig. 1 is a circuit configuration diagram showing an embodiment of the CRT receiver of this invention, Fig. 2 is a signal waveform diagram of each part of the circuit shown in Fig. 1, and Fig. 3 is a diagram of a conventional CRT receiver. FIG. 4, a circuit configuration diagram showing an example, is a diagram showing a cathode voltage waveform of the picture tube shown in FIG. 3. 6... picture tube, 11... CRT receiver, 12...
...Sample hold circuit, 13...Comparison circuit, 1
4...control circuit, 15...DC regeneration circuit.
Claims (1)
像出力段の出力電圧に直流再生のための電圧を供
給する直流再生用電源と、前記映像出力電圧を帰
線期間において採取保持するサンプルホールド回
路と、このサンプルホールド回路が保持する電圧
を基準電圧と比較し、比較誤差電圧を得る比較回
路と、この比較回路から得られる比較誤差電圧を
零に収束させるべく前記直流再生用電源の出力電
圧を可変制御する制御回路とを有するＣＲＴ受像
機。 A picture tube AC-coupled to the video output stage, a DC reproduction power source that supplies a voltage for DC reproduction to the output voltage of the video output stage, and a sample hold circuit that samples and holds the video output voltage during the retrace period. and a comparator circuit that compares the voltage held by this sample and hold circuit with a reference voltage to obtain a comparison error voltage, and an output voltage of the DC regeneration power supply to converge the comparison error voltage obtained from this comparison circuit to zero. A CRT receiver having a control circuit for variable control.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988059252U JPH0737409Y2 (en) | 1988-04-30 | 1988-04-30 | CRT receiver |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988059252U JPH0737409Y2 (en) | 1988-04-30 | 1988-04-30 | CRT receiver |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01162972U true JPH01162972U (en) | 1989-11-14 |
| JPH0737409Y2 JPH0737409Y2 (en) | 1995-08-23 |
Family
ID=31285033
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988059252U Expired - Lifetime JPH0737409Y2 (en) | 1988-04-30 | 1988-04-30 | CRT receiver |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0737409Y2 (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5780973U (en) * | 1980-11-04 | 1982-05-19 | ||
| JPS59228471A (en) * | 1983-06-09 | 1984-12-21 | Matsushita Electric Ind Co Ltd | Video signal amplifier circuit |
-
1988
- 1988-04-30 JP JP1988059252U patent/JPH0737409Y2/en not_active Expired - Lifetime
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5780973U (en) * | 1980-11-04 | 1982-05-19 | ||
| JPS59228471A (en) * | 1983-06-09 | 1984-12-21 | Matsushita Electric Ind Co Ltd | Video signal amplifier circuit |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0737409Y2 (en) | 1995-08-23 |
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