DK146309C - Fjernsynsapparat med sortniveaufikseringskreds med kompensering for ultrasortstroemmen - Google Patents
Fjernsynsapparat med sortniveaufikseringskreds med kompensering for ultrasortstroemmenInfo
- Publication number
- DK146309C DK146309C DK26479A DK26479A DK146309C DK 146309 C DK146309 C DK 146309C DK 26479 A DK26479 A DK 26479A DK 26479 A DK26479 A DK 26479A DK 146309 C DK146309 C DK 146309C
- Authority
- DK
- Denmark
- Prior art keywords
- ultrasort
- compensation
- current
- black level
- fixing circuit
- Prior art date
Links
Classifications
-
- 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
- H04N9/72—Circuits for processing colour signals for reinsertion of DC and slowly varying components of colour signals
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Picture Signal Circuits (AREA)
- Television Receiver Circuits (AREA)
- Video Image Reproduction Devices For Color Tv Systems (AREA)
- Transforming Electric Information Into Light Information (AREA)
- Processing Of Color Television Signals (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NLAANVRAGE7800870,A NL184657C (nl) | 1978-01-25 | 1978-01-25 | Televisiebeeldweergeefinrichting. |
| NL7800870 | 1978-01-25 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| DK26479A DK26479A (da) | 1979-07-26 |
| DK146309B DK146309B (da) | 1983-08-29 |
| DK146309C true DK146309C (da) | 1984-02-06 |
Family
ID=19830223
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DK26479A DK146309C (da) | 1978-01-25 | 1979-01-22 | Fjernsynsapparat med sortniveaufikseringskreds med kompensering for ultrasortstroemmen |
Country Status (16)
| Country | Link |
|---|---|
| US (1) | US4224640A (sv) |
| JP (1) | JPS54111221A (sv) |
| AU (1) | AU528435B2 (sv) |
| BE (1) | BE873633A (sv) |
| BR (1) | BR7900400A (sv) |
| CA (1) | CA1135837A (sv) |
| DE (1) | DE2902366C2 (sv) |
| DK (1) | DK146309C (sv) |
| ES (1) | ES477072A1 (sv) |
| FR (1) | FR2415931A1 (sv) |
| GB (1) | GB2014408B (sv) |
| IT (1) | IT1117582B (sv) |
| MX (1) | MX147217A (sv) |
| NL (1) | NL184657C (sv) |
| NZ (1) | NZ189428A (sv) |
| SE (1) | SE430012B (sv) |
Families Citing this family (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4331981A (en) * | 1980-09-25 | 1982-05-25 | Rca Corporation | Linear high gain sampling amplifier |
| US4331982A (en) * | 1980-09-25 | 1982-05-25 | Rca Corporation | Sample and hold circuit particularly for small signals |
| US4442458A (en) * | 1982-03-29 | 1984-04-10 | Tektronix, Inc. | CRT Video drive circuit with beam current stabilization |
| US4463385A (en) * | 1982-07-01 | 1984-07-31 | Rca Corporation | Kinescope black level current sensing apparatus |
| US4523233A (en) * | 1982-11-12 | 1985-06-11 | Rca Corporation | Automatic bias control system with compensated sense point |
| US4516152A (en) * | 1983-05-23 | 1985-05-07 | Rca Corporation | Video signal processor with automatic kinescope white balance and beam current limiter control systems |
| CA1250364A (en) * | 1983-12-20 | 1989-02-21 | Mitsumasa Saito | Television receiver |
| NL8502636A (nl) * | 1985-03-06 | 1986-10-01 | Philips Nv | Beeldweergeefinrichting. |
| NL8502637A (nl) * | 1985-03-06 | 1986-10-01 | Philips Nv | Beeldweergeefinrichting. |
| US4730210A (en) * | 1985-08-14 | 1988-03-08 | Zenith Electronics Corporation | Wideband analog RGB video processor with negative feedback capability and black level control |
| FR2674705A1 (fr) * | 1991-03-29 | 1992-10-02 | Philips Electro Grand Public | Dispositif amplificateur video. |
| US5278476A (en) * | 1991-11-13 | 1994-01-11 | U.S. Philips Corporation | Display device including a black level setting circuit |
| JPH0614272B2 (ja) * | 1992-04-28 | 1994-02-23 | インターナショナル・ビジネス・マシーンズ・コーポレイション | 表示システム |
| EP0819353B1 (en) * | 1996-02-07 | 2001-10-31 | Koninklijke Philips Electronics N.V. | Beam current measurement in a video output stage |
| US5994841A (en) * | 1996-10-25 | 1999-11-30 | Welch Allyn, Inc. | Circuit for biasing display device by compensating for a varying leakage current |
| US5892544A (en) * | 1997-09-15 | 1999-04-06 | Sony Electronics, Inc. | Beam current detection and control system for a cathode ray tube |
| US6226037B1 (en) * | 1998-07-28 | 2001-05-01 | Thomson Licensing S.A. | AKB interface circuit for kine driver IC |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3598913A (en) * | 1968-12-18 | 1971-08-10 | Philips Corp | Television receiver |
| NL6903362A (sv) * | 1969-03-05 | 1970-09-08 | ||
| NL164170C (nl) * | 1972-02-24 | 1980-11-17 | Philips Nv | Kleurentelevisieweergeefinrichting met een bundel- stroomklemregelschakeling. |
| NL179329C (nl) * | 1974-09-09 | 1986-08-18 | Philips Nv | Televisieontvanger met een bundelstroombegrenzingsschakeling. |
| US4012775A (en) * | 1975-04-28 | 1977-03-15 | Thomson Csf Laboratories, Inc. | System for stabilizing cathode ray tube operation |
| US4067048A (en) * | 1976-08-19 | 1978-01-03 | Rca Corporation | Automatic beam current limiter |
-
1978
- 1978-01-25 NL NLAANVRAGE7800870,A patent/NL184657C/xx not_active IP Right Cessation
- 1978-12-22 US US05/972,590 patent/US4224640A/en not_active Expired - Lifetime
-
1979
- 1979-01-18 CA CA000319907A patent/CA1135837A/en not_active Expired
- 1979-01-19 NZ NZ189428A patent/NZ189428A/xx unknown
- 1979-01-22 DE DE2902366A patent/DE2902366C2/de not_active Expired
- 1979-01-22 BE BE0/193017A patent/BE873633A/xx not_active IP Right Cessation
- 1979-01-22 BR BR7900400A patent/BR7900400A/pt unknown
- 1979-01-22 SE SE7900524A patent/SE430012B/sv not_active IP Right Cessation
- 1979-01-22 MX MX176366A patent/MX147217A/es unknown
- 1979-01-22 IT IT67137/79A patent/IT1117582B/it active
- 1979-01-22 DK DK26479A patent/DK146309C/da not_active IP Right Cessation
- 1979-01-22 GB GB7902166A patent/GB2014408B/en not_active Expired
- 1979-01-23 AU AU43590/79A patent/AU528435B2/en not_active Ceased
- 1979-01-23 ES ES477072A patent/ES477072A1/es not_active Expired
- 1979-01-24 JP JP622079A patent/JPS54111221A/ja active Granted
- 1979-01-24 FR FR7901785A patent/FR2415931A1/fr active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| SE430012B (sv) | 1983-10-10 |
| AU528435B2 (en) | 1983-04-28 |
| GB2014408A (en) | 1979-08-22 |
| IT1117582B (it) | 1986-02-17 |
| NL7800870A (nl) | 1979-07-27 |
| IT7967137A0 (it) | 1979-01-22 |
| DE2902366A1 (de) | 1979-07-26 |
| ES477072A1 (es) | 1979-07-16 |
| JPS54111221A (en) | 1979-08-31 |
| NZ189428A (en) | 1982-02-23 |
| DK26479A (da) | 1979-07-26 |
| BE873633A (fr) | 1979-07-23 |
| FR2415931A1 (fr) | 1979-08-24 |
| US4224640A (en) | 1980-09-23 |
| JPH025352B2 (sv) | 1990-02-01 |
| SE7900524L (sv) | 1979-07-26 |
| DK146309B (da) | 1983-08-29 |
| BR7900400A (pt) | 1979-08-21 |
| FR2415931B1 (sv) | 1984-07-13 |
| NL184657C (nl) | 1989-09-18 |
| NL184657B (nl) | 1989-04-17 |
| DE2902366C2 (de) | 1985-01-17 |
| AU4359079A (en) | 1979-08-02 |
| MX147217A (es) | 1982-10-25 |
| GB2014408B (en) | 1982-04-15 |
| CA1135837A (en) | 1982-11-16 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PBP | Patent lapsed |