FR2362539A1 - Limiteur automatique de courant de faisceau electronique - Google Patents
Limiteur automatique de courant de faisceau electroniqueInfo
- Publication number
- FR2362539A1 FR2362539A1 FR7725285A FR7725285A FR2362539A1 FR 2362539 A1 FR2362539 A1 FR 2362539A1 FR 7725285 A FR7725285 A FR 7725285A FR 7725285 A FR7725285 A FR 7725285A FR 2362539 A1 FR2362539 A1 FR 2362539A1
- Authority
- FR
- France
- Prior art keywords
- beam current
- control voltage
- current
- current limiter
- electronic beam
- 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
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)
- Picture Signal Circuits (AREA)
- Television Receiver Circuits (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/715,861 US4067048A (en) | 1976-08-19 | 1976-08-19 | Automatic beam current limiter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2362539A1 true FR2362539A1 (fr) | 1978-03-17 |
| FR2362539B1 FR2362539B1 (US20080005853A1-20080110-C00027.png) | 1984-05-04 |
Family
ID=24875777
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7725285A Granted FR2362539A1 (fr) | 1976-08-19 | 1977-08-18 | Limiteur automatique de courant de faisceau electronique |
Country Status (10)
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4137552A (en) * | 1977-05-05 | 1979-01-30 | Rca Corporation | Automatic beam current limiter with independently determined threshold level and dynamic control range |
| NL184657C (nl) * | 1978-01-25 | 1989-09-18 | Philips Nv | Televisiebeeldweergeefinrichting. |
| US4167025A (en) * | 1978-02-09 | 1979-09-04 | Rca Corporation | Automatic peak beam current limiter |
| US4207591A (en) * | 1978-02-09 | 1980-06-10 | Rca Corporation | Gated automatic beam current limiter in a video signal processing system |
| US4253110A (en) * | 1979-12-14 | 1981-02-24 | Rca Corporation | Automatic kinescope beam current limiter with sequential control modes |
| US4709262A (en) * | 1985-04-12 | 1987-11-24 | Hazeltine Corporation | Color monitor with improved color accuracy and current sensor |
| US5177413A (en) * | 1992-02-25 | 1993-01-05 | Thomson Consumer Electronics, Inc. | Arrangement for generating a beam current indicative signal |
| US5661376A (en) * | 1995-04-27 | 1997-08-26 | Thomson Consumer Electronics, Inc. | Switching clamp |
| US6897901B2 (en) * | 2001-03-14 | 2005-05-24 | Koninklijke Philips Electronics N.V. | Circuit for combining AKB and selective beam current limiting and projection television system utilizing same |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3804981A (en) * | 1971-11-08 | 1974-04-16 | Rca Corp | Brightness control |
| DE2459836A1 (de) * | 1974-12-18 | 1976-06-24 | Licentia Gmbh | Schaltung zur begrenzung des strahlstromes der bildroehre in einem fernsehempfaenger |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3619705A (en) * | 1969-10-13 | 1971-11-09 | Gte Sylvania Inc | Automatic beam current limiter circuitry |
| DE2021037C3 (de) * | 1970-04-24 | 1974-02-21 | Philips Patentverwaltung Gmbh, 2000 Hamburg | Schaltungsanordnung zur Strahlstrombegrenzung in Fernsehbildröhren |
| US3674932A (en) * | 1971-02-16 | 1972-07-04 | Rca Corp | Automatic beam current limiter |
| JPS5235489B2 (US20080005853A1-20080110-C00027.png) * | 1972-07-12 | 1977-09-09 |
-
1976
- 1976-08-19 US US05/715,861 patent/US4067048A/en not_active Expired - Lifetime
-
1977
- 1977-08-12 FI FI772429A patent/FI61778C/fi not_active IP Right Cessation
- 1977-08-12 SE SE7709167A patent/SE423663B/xx not_active IP Right Cessation
- 1977-08-12 GB GB33947/77A patent/GB1585773A/en not_active Expired
- 1977-08-15 AU AU27883/77A patent/AU513756B2/en not_active Expired
- 1977-08-18 JP JP9942777A patent/JPS5324722A/ja active Granted
- 1977-08-18 IT IT26782/77A patent/IT1086506B/it active
- 1977-08-18 FR FR7725285A patent/FR2362539A1/fr active Granted
- 1977-08-19 AT AT0603877A patent/AT379044B/de not_active IP Right Cessation
- 1977-08-19 DE DE2737552A patent/DE2737552B2/de not_active Ceased
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3804981A (en) * | 1971-11-08 | 1974-04-16 | Rca Corp | Brightness control |
| DE2459836A1 (de) * | 1974-12-18 | 1976-06-24 | Licentia Gmbh | Schaltung zur begrenzung des strahlstromes der bildroehre in einem fernsehempfaenger |
Also Published As
| Publication number | Publication date |
|---|---|
| GB1585773A (en) | 1981-03-11 |
| AT379044B (de) | 1985-11-11 |
| FR2362539B1 (US20080005853A1-20080110-C00027.png) | 1984-05-04 |
| ATA603877A (de) | 1985-03-15 |
| AU513756B2 (en) | 1980-12-18 |
| JPS5324722A (en) | 1978-03-07 |
| DE2737552A1 (de) | 1978-02-23 |
| US4067048A (en) | 1978-01-03 |
| FI61778B (fi) | 1982-05-31 |
| SE7709167L (sv) | 1978-02-20 |
| SE423663B (sv) | 1982-05-17 |
| AU2788377A (en) | 1979-02-22 |
| IT1086506B (it) | 1985-05-28 |
| FI61778C (fi) | 1982-09-10 |
| DE2737552B2 (de) | 1979-11-08 |
| FI772429A (fi) | 1978-02-20 |
| JPS6112429B2 (US20080005853A1-20080110-C00027.png) | 1986-04-08 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| TP | Transmission of property |