CA1191593A - Auto brightness limiter circuit for television - Google Patents
Auto brightness limiter circuit for televisionInfo
- Publication number
- CA1191593A CA1191593A CA000417955A CA417955A CA1191593A CA 1191593 A CA1191593 A CA 1191593A CA 000417955 A CA000417955 A CA 000417955A CA 417955 A CA417955 A CA 417955A CA 1191593 A CA1191593 A CA 1191593A
- Authority
- CA
- Canada
- Prior art keywords
- signals
- digital signal
- amplitude
- circuit
- signal
- 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.)
- Expired
Links
- 230000000670 limiting effect Effects 0.000 claims abstract description 4
- 230000003321 amplification Effects 0.000 claims description 7
- 238000002156 mixing Methods 0.000 claims description 7
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 7
- 238000001514 detection method Methods 0.000 claims description 3
- 230000004044 response Effects 0.000 claims description 2
- 239000003990 capacitor Substances 0.000 description 3
- 239000002131 composite material Substances 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 241000283986 Lepus Species 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
- H04N5/57—Control of contrast or brightness
- H04N5/59—Control of contrast or brightness in dependence upon beam current of cathode ray tube
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Television Receiver Circuits (AREA)
- Controls And Circuits For Display Device (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP57198420A JPS5986974A (ja) | 1982-11-11 | 1982-11-11 | 自動輝度制限回路 |
| JP57-198420 | 1982-11-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1191593A true CA1191593A (en) | 1985-08-06 |
Family
ID=16390809
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000417955A Expired CA1191593A (en) | 1982-11-11 | 1982-12-16 | Auto brightness limiter circuit for television |
Country Status (10)
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6199477A (ja) * | 1984-10-19 | 1986-05-17 | Sony Corp | 放電保護回路 |
| US4654717A (en) * | 1985-05-20 | 1987-03-31 | Rca Corporation | Cathode-ray tube arc-over protection for digital data in television display apparatus |
| BG47787A1 (en) * | 1988-03-14 | 1990-09-14 | Sofija Televizija | Device for input of symbols in programme television signal |
| US4947253A (en) * | 1989-04-18 | 1990-08-07 | Rca Licensing Corporation | Brightness modulator for closed loop compensation of black level |
| US4982287A (en) * | 1989-11-01 | 1991-01-01 | Rca Licensing Corporation | Control of brightness level adapted to control of contrast |
| GB9006776D0 (en) * | 1990-03-27 | 1990-05-23 | Ferguson Ltd | Television receiver with additional display of characters |
| US5204748A (en) * | 1991-12-11 | 1993-04-20 | Thomson Consumer Electronics, Inc. | Beam current limiting arrangement for a television system with picture-in-picture provisions |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3898377A (en) * | 1973-11-23 | 1975-08-05 | Xerox Corp | Video mixer |
| GB1554663A (en) * | 1975-06-06 | 1979-10-24 | Mitsubishi Electric Corp | Apparatus for reproducing multiplex video data |
| DD122168A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1975-09-05 | 1976-09-12 | ||
| US4253110A (en) * | 1979-12-14 | 1981-02-24 | Rca Corporation | Automatic kinescope beam current limiter with sequential control modes |
| US4298886A (en) * | 1979-12-12 | 1981-11-03 | Motorola Inc. | Automatic peak beam current leveler system |
-
1982
- 1982-11-11 JP JP57198420A patent/JPS5986974A/ja active Granted
- 1982-12-16 CA CA000417955A patent/CA1191593A/en not_active Expired
- 1982-12-16 PH PH28289A patent/PH20723A/en unknown
- 1982-12-16 US US06/450,475 patent/US4520397A/en not_active Expired - Lifetime
- 1982-12-22 EP EP82306877A patent/EP0108851B1/en not_active Expired
- 1982-12-22 DE DE8282306877T patent/DE3272394D1/de not_active Expired
- 1982-12-23 BR BR8207591A patent/BR8207591A/pt not_active IP Right Cessation
- 1982-12-24 KR KR8205801A patent/KR850001692B1/ko not_active Expired
-
1983
- 1983-04-29 ES ES521973A patent/ES8404129A1/es not_active Expired
-
1987
- 1987-10-19 SG SG922/87A patent/SG92287G/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| US4520397A (en) | 1985-05-28 |
| JPS5986974A (ja) | 1984-05-19 |
| PH20723A (en) | 1987-03-30 |
| ES521973A0 (es) | 1984-04-01 |
| ES8404129A1 (es) | 1984-04-01 |
| EP0108851A1 (en) | 1984-05-23 |
| EP0108851B1 (en) | 1986-07-30 |
| JPS6353753B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1988-10-25 |
| KR850001692B1 (ko) | 1985-11-22 |
| KR840003183A (ko) | 1984-08-13 |
| DE3272394D1 (en) | 1986-09-04 |
| BR8207591A (pt) | 1984-08-07 |
| SG92287G (en) | 1988-05-06 |
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| US4516152A (en) | Video signal processor with automatic kinescope white balance and beam current limiter control systems | |
| CA1191593A (en) | Auto brightness limiter circuit for television | |
| US4562479A (en) | Automatic kinescope beam current limiter | |
| US4298886A (en) | Automatic peak beam current leveler system | |
| CA2082243C (en) | Contrast beam current limiting arrangement with secondary brightness beam current limiting provisions | |
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| KR910004793Y1 (ko) | 칼라텔레비젼의 화면밝기 자동조절회로 | |
| US6897901B2 (en) | Circuit for combining AKB and selective beam current limiting and projection television system utilizing same | |
| JPH0526863Y2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | ||
| JPS5839171A (ja) | 信号切換回路 | |
| JPH0229274B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | ||
| JPH04320192A (ja) | モニタ装置 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEC | Expiry (correction) | ||
| MKEX | Expiry |