IT8519752A0 - Elaboratore di segnali video con limitatore automatico delle correnti dei fasci di un cinescopio. - Google Patents
Elaboratore di segnali video con limitatore automatico delle correnti dei fasci di un cinescopio.Info
- Publication number
- IT8519752A0 IT8519752A0 IT8519752A IT1975285A IT8519752A0 IT 8519752 A0 IT8519752 A0 IT 8519752A0 IT 8519752 A IT8519752 A IT 8519752A IT 1975285 A IT1975285 A IT 1975285A IT 8519752 A0 IT8519752 A0 IT 8519752A0
- Authority
- IT
- Italy
- Prior art keywords
- kinescope
- video signal
- signal processor
- beam currents
- automatic limiter
- Prior art date
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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/14—Picture signal circuitry for video frequency region
- H04N5/16—Circuitry for reinsertion of dc and slowly varying components of signal; Circuitry for preservation of black or white level
- H04N5/165—Circuitry for reinsertion of dc and slowly varying components of signal; Circuitry for preservation of black or white level to maintain the black level constant
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N9/00—Details of colour television systems
- H04N9/64—Circuits for processing colour signals
- H04N9/645—Beam current control means
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Television Receiver Circuits (AREA)
- Picture Signal Circuits (AREA)
- Processing Of Color Television Signals (AREA)
- Facsimile Scanning Arrangements (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/587,583 US4633320A (en) | 1984-03-08 | 1984-03-08 | Video signal processor with automatic kinescope beam current limiter |
Publications (2)
Publication Number | Publication Date |
---|---|
IT8519752A0 true IT8519752A0 (it) | 1985-03-05 |
IT1183466B IT1183466B (it) | 1987-10-22 |
Family
ID=24350379
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT19752/85A IT1183466B (it) | 1984-03-08 | 1985-03-05 | Elaboratore di segnali video con limitatore automatico dele correnti dei fasci di un cinescopio |
Country Status (14)
Country | Link |
---|---|
US (1) | US4633320A (it) |
JP (1) | JPS60206384A (it) |
KR (1) | KR930004803B1 (it) |
AT (1) | AT395086B (it) |
AU (1) | AU583492B2 (it) |
CA (1) | CA1228159A (it) |
DE (1) | DE3508168A1 (it) |
ES (1) | ES540833A0 (it) |
FI (1) | FI79434C (it) |
FR (1) | FR2561051B1 (it) |
GB (1) | GB2155739B (it) |
HK (1) | HK24093A (it) |
IT (1) | IT1183466B (it) |
SE (1) | SE454832B (it) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL8502637A (nl) * | 1985-03-06 | 1986-10-01 | Philips Nv | Beeldweergeefinrichting. |
NL8502636A (nl) * | 1985-03-06 | 1986-10-01 | Philips Nv | Beeldweergeefinrichting. |
US4799107A (en) * | 1987-04-06 | 1989-01-17 | Rca Licensing Corporation | Auxiliary gain control apparatus for a television receiver |
FR2640839B1 (fr) * | 1988-12-20 | 1991-03-15 | Portenseigne Radiotechnique | Appareil de reproduction d'image video muni d'un reglage de contraste, et procede de reglage du contraste d'un tel appareil de reproduction |
US5313294A (en) * | 1990-03-20 | 1994-05-17 | Rca Thomson Licensing Corporation | Beam current limiting arrangement having a peak amplitude, responsive threshold |
GB9006250D0 (en) * | 1990-03-20 | 1990-05-16 | Rca Licensing Corp | Non-linear beam current limiter |
US5200829A (en) * | 1991-12-16 | 1993-04-06 | Thomson Consumer Electronics, Inc. | Contrast beam current limiting arrangement with secondary brightness beam current limiting provisions |
JP3267061B2 (ja) * | 1994-08-29 | 2002-03-18 | 松下電器産業株式会社 | Abl回路とacl回路と輝度・色差信号処理回路とテレビジョン受像機 |
DE19709681A1 (de) | 1997-03-11 | 1998-09-17 | Thomson Brandt Gmbh | Schaltung zur Überwachung des Strahlstroms in einer Farbildröhre |
US7236203B1 (en) | 2004-04-22 | 2007-06-26 | National Semiconductor Corporation | Video circuitry for controlling signal gain and reference black level |
US7277135B1 (en) * | 2004-07-23 | 2007-10-02 | National Semiconductor Corporation | Video display signal brightness control circuit |
Family Cites Families (10)
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 |
DE2750911A1 (de) * | 1977-11-14 | 1979-05-17 | Joerg Troeger | Miederkorsage |
US4207591A (en) * | 1978-02-09 | 1980-06-10 | Rca Corporation | Gated automatic beam current limiter in a video signal processing system |
US4167025A (en) * | 1978-02-09 | 1979-09-04 | Rca Corporation | Automatic peak beam current limiter |
US4253121A (en) * | 1978-10-12 | 1981-02-24 | Rca Corporation | Plural sequential operating mode automatic kinescope beam current limiter |
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 |
US4344021A (en) * | 1980-07-21 | 1982-08-10 | Rca Corporation | System for compensating for transfer characteristic variations of electron guns |
US4376288A (en) * | 1981-08-27 | 1983-03-08 | Rca Corporation | Signal gain control with DC compensation |
US4403253A (en) * | 1981-12-28 | 1983-09-06 | General Electric Company | Uniform distribution video processor with controlled reference voltages |
US4516152A (en) * | 1983-05-23 | 1985-05-07 | Rca Corporation | Video signal processor with automatic kinescope white balance and beam current limiter control systems |
-
1984
- 1984-03-08 US US06/587,583 patent/US4633320A/en not_active Expired - Fee Related
-
1985
- 1985-02-21 CA CA000474883A patent/CA1228159A/en not_active Expired
- 1985-02-22 AU AU39081/85A patent/AU583492B2/en not_active Ceased
- 1985-03-01 FI FI850856A patent/FI79434C/fi not_active IP Right Cessation
- 1985-03-01 ES ES540833A patent/ES540833A0/es active Granted
- 1985-03-01 SE SE8501012A patent/SE454832B/sv not_active IP Right Cessation
- 1985-03-05 IT IT19752/85A patent/IT1183466B/it active
- 1985-03-07 JP JP60046307A patent/JPS60206384A/ja active Granted
- 1985-03-07 KR KR1019850001465A patent/KR930004803B1/ko not_active IP Right Cessation
- 1985-03-07 DE DE19853508168 patent/DE3508168A1/de active Granted
- 1985-03-07 GB GB08505949A patent/GB2155739B/en not_active Expired
- 1985-03-07 FR FR858503372A patent/FR2561051B1/fr not_active Expired - Fee Related
- 1985-03-08 AT AT0070385A patent/AT395086B/de not_active IP Right Cessation
-
1993
- 1993-03-18 HK HK240/93A patent/HK24093A/xx not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
DE3508168C2 (it) | 1988-01-28 |
JPH0513432B2 (it) | 1993-02-22 |
CA1228159A (en) | 1987-10-13 |
JPS60206384A (ja) | 1985-10-17 |
SE454832B (sv) | 1988-05-30 |
DE3508168A1 (de) | 1985-09-12 |
FR2561051A1 (fr) | 1985-09-13 |
KR930004803B1 (ko) | 1993-06-08 |
FI850856A0 (fi) | 1985-03-01 |
ES8603135A1 (es) | 1985-12-01 |
FI79434C (fi) | 1989-12-11 |
AT395086B (de) | 1992-09-10 |
KR850006823A (ko) | 1985-10-16 |
ES540833A0 (es) | 1985-12-01 |
GB8505949D0 (en) | 1985-04-11 |
FI79434B (fi) | 1989-08-31 |
FR2561051B1 (fr) | 1991-02-01 |
AU3908185A (en) | 1985-09-12 |
SE8501012L (sv) | 1985-09-09 |
SE8501012D0 (sv) | 1985-03-01 |
GB2155739B (en) | 1987-09-30 |
US4633320A (en) | 1986-12-30 |
IT1183466B (it) | 1987-10-22 |
FI850856L (fi) | 1985-09-09 |
HK24093A (en) | 1993-03-26 |
ATA70385A (de) | 1992-01-15 |
GB2155739A (en) | 1985-09-25 |
AU583492B2 (en) | 1989-05-04 |
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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 |