JPS6253872U - - Google Patents
Info
- Publication number
- JPS6253872U JPS6253872U JP1985144587U JP14458785U JPS6253872U JP S6253872 U JPS6253872 U JP S6253872U JP 1985144587 U JP1985144587 U JP 1985144587U JP 14458785 U JP14458785 U JP 14458785U JP S6253872 U JPS6253872 U JP S6253872U
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- power supply
- voltage generation
- flyback transformer
- generation 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
- 238000010586 diagram Methods 0.000 description 3
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
- H03J3/00—Continuous tuning
- H03J3/02—Details
- H03J3/16—Tuning without displacement of reactive element, e.g. by varying permeability
- H03J3/18—Tuning without displacement of reactive element, e.g. by varying permeability by discharge tube or semiconductor device simulating variable reactance
- H03J3/185—Tuning without displacement of reactive element, e.g. by varying permeability by discharge tube or semiconductor device simulating variable reactance with varactors, i.e. voltage variable reactive diodes
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/63—Generation or supply of power specially adapted for television receivers
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Details Of Television Scanning (AREA)
- Television Receiver Circuits (AREA)
Description
第1図は本考案の一実施例を示す回路ブロツク
図、第2図および第3図はそれぞれ別の実施例を
示す要部の回路ブロツク図、第4図は従来例の回
路ブロツク図である。 1……水平偏向回路、2……FBT、3……チ
ユーニング電圧発生回路、4……FE、5……抵
抗、6……ツエナーダイオード、7,8……ダイ
オード。
図、第2図および第3図はそれぞれ別の実施例を
示す要部の回路ブロツク図、第4図は従来例の回
路ブロツク図である。 1……水平偏向回路、2……FBT、3……チ
ユーニング電圧発生回路、4……FE、5……抵
抗、6……ツエナーダイオード、7,8……ダイ
オード。
Claims (1)
- 電子同調のフロントエンド、チユーニング電圧
発生回路、水平偏向回路およびフライバツクトラ
ンスを備える電子同調チユーナの電源回路におい
て、TV受信時にはフライバツクトランスから、
TV受信時以外には上記トランスの出力電圧より
低い電圧の直流電源からチユーニング電圧発生回
路に電源を供給するように上記フライバツクトラ
ンスとチユーニング電圧発生回路との間に電源切
換回路を設けたことを特徴とする電子同調チユー
ナの電源回路。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1985144587U JPS6253872U (ja) | 1985-09-20 | 1985-09-20 | |
US06/909,392 US4800434A (en) | 1985-09-20 | 1986-09-19 | Power source for electronic tuning tuner |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1985144587U JPS6253872U (ja) | 1985-09-20 | 1985-09-20 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS6253872U true JPS6253872U (ja) | 1987-04-03 |
Family
ID=15365562
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1985144587U Pending JPS6253872U (ja) | 1985-09-20 | 1985-09-20 |
Country Status (2)
Country | Link |
---|---|
US (1) | US4800434A (ja) |
JP (1) | JPS6253872U (ja) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4989261A (en) * | 1988-12-09 | 1991-01-29 | Dallas Semiconductor Corporation | Power supply intercept with reference output |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4281349A (en) * | 1980-04-29 | 1981-07-28 | Rca Corporation | Power supply arrangement for a tuning system |
FR2484178A1 (fr) * | 1980-06-10 | 1981-12-11 | Thomson Brandt | Dispositif d'alimentation a decoupage pour televiseur synchrone de la frequence ligne, et televiseur comprenant un tel systeme |
GB8317970D0 (en) * | 1983-07-01 | 1983-08-03 | Rca Corp | Television receiver load compensation circuit |
US4552166A (en) * | 1984-04-06 | 1985-11-12 | Dc Technologies, Inc. | Secondary containment system and method |
-
1985
- 1985-09-20 JP JP1985144587U patent/JPS6253872U/ja active Pending
-
1986
- 1986-09-19 US US06/909,392 patent/US4800434A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
US4800434A (en) | 1989-01-24 |