JPS5797272A - Power supply device - Google Patents
Power supply deviceInfo
- Publication number
- JPS5797272A JPS5797272A JP55172863A JP17286380A JPS5797272A JP S5797272 A JPS5797272 A JP S5797272A JP 55172863 A JP55172863 A JP 55172863A JP 17286380 A JP17286380 A JP 17286380A JP S5797272 A JPS5797272 A JP S5797272A
- Authority
- JP
- Japan
- Prior art keywords
- voltage
- point
- horizontal amplitude
- power supply
- screen
- 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
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N3/00—Scanning details of television systems; Combination thereof with generation of supply voltages
- H04N3/10—Scanning details of television systems; Combination thereof with generation of supply voltages by means not exclusively optical-mechanical
- H04N3/16—Scanning details of television systems; Combination thereof with generation of supply voltages by means not exclusively optical-mechanical by deflecting electron beam in cathode-ray tube, e.g. scanning corrections
- H04N3/18—Generation of supply voltages, in combination with electron beam deflecting
- H04N3/185—Maintaining DC voltage constant
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Television Receiver Circuits (AREA)
- Details Of Television Scanning (AREA)
- Dc-Dc Converters (AREA)
Abstract
PURPOSE:To effectively stabilize the variance in horizontal amplitude of a screen, by detecting the anode current of a cathode ray tube and superimposing it on a reference voltage of a power supply circuit of switching regulator type or a detected voltage. CONSTITUTION:When an anode current of a cathode ray tube of a television set is increased, the anode voltage is lowered and horizontal amplitude of screen is increased and a minus AML voltage is greatly generated at a point (c). This voltage is divided at resistors R10, R9 and applied to one end of a constant voltage diode D1, allowing to add it to a part of the reference voltage of a point (b). Thus, a switching control circuit Q changes a conducting period of a transistor TR2 and lowers an output voltage of a point (d). Thus, the change in the horizontal amplitude is compensated to keep constant.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP55172863A JPS5797272A (en) | 1980-12-08 | 1980-12-08 | Power supply device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP55172863A JPS5797272A (en) | 1980-12-08 | 1980-12-08 | Power supply device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5797272A true JPS5797272A (en) | 1982-06-16 |
Family
ID=15949686
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP55172863A Pending JPS5797272A (en) | 1980-12-08 | 1980-12-08 | Power supply device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5797272A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6145681A (en) * | 1984-06-05 | 1986-03-05 | モトロ−ラ・インコ−ポレ−テツド | Time base circuit |
| JPS63129864A (en) * | 1986-11-18 | 1988-06-02 | Anritsu Corp | Voltage changing circuit |
| CN116068452A (en) * | 2023-03-08 | 2023-05-05 | 石家庄科林电气股份有限公司 | Power supply category judgment method based on power supply characteristics, dual-source electric energy measurement method and dual-source electric energy meter |
-
1980
- 1980-12-08 JP JP55172863A patent/JPS5797272A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6145681A (en) * | 1984-06-05 | 1986-03-05 | モトロ−ラ・インコ−ポレ−テツド | Time base circuit |
| JPS63129864A (en) * | 1986-11-18 | 1988-06-02 | Anritsu Corp | Voltage changing circuit |
| CN116068452A (en) * | 2023-03-08 | 2023-05-05 | 石家庄科林电气股份有限公司 | Power supply category judgment method based on power supply characteristics, dual-source electric energy measurement method and dual-source electric energy meter |
| CN116068452B (en) * | 2023-03-08 | 2023-06-06 | 石家庄科林电气股份有限公司 | Power supply type judging method based on power supply characteristics, double-source electric energy metering method and double-source metering electric energy meter |
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