IT7921118A0 - Circuito di controllo automatico della luminosita' utilizzante un anello chiuso di controllo stabilizzato nei confronti della disattivazione ad opera di segnali video di notevole ampiezza. - Google Patents
Circuito di controllo automatico della luminosita' utilizzante un anello chiuso di controllo stabilizzato nei confronti della disattivazione ad opera di segnali video di notevole ampiezza.Info
- Publication number
- IT7921118A0 IT7921118A0 IT7921118A IT2111879A IT7921118A0 IT 7921118 A0 IT7921118 A0 IT 7921118A0 IT 7921118 A IT7921118 A IT 7921118A IT 2111879 A IT2111879 A IT 2111879A IT 7921118 A0 IT7921118 A0 IT 7921118A0
- Authority
- IT
- Italy
- Prior art keywords
- video signals
- control circuit
- stabilized against
- automatic brightness
- significant amplitude
- Prior art date
Links
- 230000009849 deactivation Effects 0.000 title 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
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Processing Of Color Television Signals (AREA)
- Television Receiver Circuits (AREA)
- Picture Signal Circuits (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/888,932 US4143398A (en) | 1978-03-22 | 1978-03-22 | Automatic brightness control circuit employing a closed control loop stabilized against disruption by large amplitude video signals |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| IT7921118A0 true IT7921118A0 (it) | 1979-03-19 |
| IT1166713B IT1166713B (it) | 1987-05-06 |
Family
ID=25394191
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IT21118/79A IT1166713B (it) | 1978-03-22 | 1979-03-19 | Circuito di controllo automatico della luminosita' utilizzante un anello chiuso di controllo stabilizzato nei confronti della disattivazione ad opera di segnali video di notevole ampiezza |
Country Status (10)
| Country | Link |
|---|---|
| US (1) | US4143398A (it) |
| JP (1) | JPS54130832A (it) |
| AT (1) | AT379480B (it) |
| AU (1) | AU529905B2 (it) |
| DE (1) | DE2911355C2 (it) |
| FR (1) | FR2420888A1 (it) |
| GB (1) | GB2017451B (it) |
| HK (1) | HK16687A (it) |
| IT (1) | IT1166713B (it) |
| SE (1) | SE430201B (it) |
Families Citing this family (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4204221A (en) * | 1979-01-31 | 1980-05-20 | Rca Corporation | Predictably biased kinescope driver arrangement in a video signal processing system |
| US4203131A (en) * | 1979-01-31 | 1980-05-13 | Rca Corporation | Predictable automatic brightness control circuit in a video signal image reproducing system |
| US4237489A (en) * | 1979-02-26 | 1980-12-02 | Gte Products Corporation | Video black level reference system |
| US4209808A (en) * | 1979-03-26 | 1980-06-24 | Rca Corporation | Stabilized automatic brightness control network in a video signal processing system including an automatic kinescope beam current limiter |
| US4261015A (en) * | 1979-07-09 | 1981-04-07 | Burroughs Corporation | Video clamp |
| US4295166A (en) * | 1980-02-05 | 1981-10-13 | Rca Corporation | Failure compensated automatic kinescope beam current limiter |
| DE3016242C2 (de) * | 1980-04-26 | 1986-12-18 | Robert Bosch Gmbh, 7000 Stuttgart | Schaltungsanordnung mit nichtlinearer Übertragungskennlinie |
| CA1212461A (en) * | 1982-10-29 | 1986-10-07 | Rca Corporation | Signal sampling circuit |
| US4580068A (en) * | 1983-12-14 | 1986-04-01 | Rca Corporation | Keyed low impedance voltage source |
| JPH0628419B2 (ja) * | 1984-06-21 | 1994-04-13 | ソニー株式会社 | 画像調整装置 |
| US4599651A (en) * | 1984-11-28 | 1986-07-08 | Rca Corporation | Pulse amplifier in a brightness control system |
| US4599641A (en) * | 1984-11-28 | 1986-07-08 | Rca Corporation | Brightness control apparatus for a video signal processing system |
| JPS61140279A (ja) * | 1984-12-12 | 1986-06-27 | Toshiba Corp | 映像信号処理回路 |
| DE3540752A1 (de) * | 1985-11-16 | 1987-05-21 | Blaupunkt Werke Gmbh | Schaltungsanordnung mit steuerbarem verstaerkungsfaktor |
| JPH0822057B2 (ja) * | 1992-04-21 | 1996-03-04 | 松下電器産業株式会社 | テレビジョン信号処理方法および処理装置 |
| US5390020A (en) * | 1992-09-14 | 1995-02-14 | Eastman Kodak Company | Video amplifier stabilization for CRT printing |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1027249A (en) * | 1963-10-08 | 1966-04-27 | Thorn Electronics Ltd | Improvements in voltage clamps |
| US3597540A (en) * | 1969-04-01 | 1971-08-03 | Motorola Inc | Automatic brightness control responsive to black level of video signal |
| US3588341A (en) * | 1969-04-01 | 1971-06-28 | Motorola Inc | Automatic brightness control circuit for establishing the black level of signals in a television reciver |
| US3851100A (en) * | 1972-04-03 | 1974-11-26 | Ampex | Time-base error correction system |
| US3885093A (en) * | 1972-04-03 | 1975-05-20 | Ampex | Fast acting direct current clamping circuit |
| JPS5754983B2 (it) * | 1974-04-19 | 1982-11-20 | ||
| JPS5111297U (it) * | 1974-07-12 | 1976-01-27 | ||
| US4135200A (en) * | 1977-05-12 | 1979-01-16 | Rca Corporation | Brightness control circuit with predictable brightness control range |
-
1978
- 1978-03-22 US US05/888,932 patent/US4143398A/en not_active Expired - Lifetime
-
1979
- 1979-03-13 SE SE7902254A patent/SE430201B/sv not_active IP Right Cessation
- 1979-03-16 AU AU45189/79A patent/AU529905B2/en not_active Ceased
- 1979-03-19 IT IT21118/79A patent/IT1166713B/it active
- 1979-03-20 JP JP3318879A patent/JPS54130832A/ja active Granted
- 1979-03-20 GB GB7909692A patent/GB2017451B/en not_active Expired
- 1979-03-21 FR FR7907155A patent/FR2420888A1/fr active Granted
- 1979-03-22 DE DE2911355A patent/DE2911355C2/de not_active Expired
- 1979-03-22 AT AT0215079A patent/AT379480B/de not_active IP Right Cessation
-
1987
- 1987-02-26 HK HK166/87A patent/HK16687A/xx not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| GB2017451A (en) | 1979-10-03 |
| JPS54130832A (en) | 1979-10-11 |
| DE2911355C2 (de) | 1983-02-03 |
| HK16687A (en) | 1987-03-06 |
| US4143398A (en) | 1979-03-06 |
| IT1166713B (it) | 1987-05-06 |
| AU529905B2 (en) | 1983-06-23 |
| AT379480B (de) | 1986-01-10 |
| GB2017451B (en) | 1983-03-16 |
| DE2911355A1 (de) | 1979-09-27 |
| SE7902254L (sv) | 1979-09-23 |
| ATA215079A (de) | 1985-05-15 |
| AU4518979A (en) | 1979-09-27 |
| FR2420888A1 (fr) | 1979-10-19 |
| SE430201B (sv) | 1983-10-24 |
| FR2420888B1 (it) | 1985-03-29 |
| JPS6247393B2 (it) | 1987-10-07 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| TA | Fee payment date (situation as of event date), data collected since 19931001 |
Effective date: 19970327 |