DE3632484A1 - Fernsehempfaenger fuer mehrere videosignale - Google Patents
Fernsehempfaenger fuer mehrere videosignaleInfo
- Publication number
- DE3632484A1 DE3632484A1 DE19863632484 DE3632484A DE3632484A1 DE 3632484 A1 DE3632484 A1 DE 3632484A1 DE 19863632484 DE19863632484 DE 19863632484 DE 3632484 A DE3632484 A DE 3632484A DE 3632484 A1 DE3632484 A1 DE 3632484A1
- Authority
- DE
- Germany
- Prior art keywords
- signal
- video signal
- black reference
- reference level
- switching device
- 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
- H04N5/14—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
-
- 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
- H04N9/641—Multi-purpose receivers, e.g. for auxiliary information
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Processing Of Color Television Signals (AREA)
- Picture Signal Circuits (AREA)
- Studio Circuits (AREA)
- Controls And Circuits For Display Device (AREA)
- Television Systems (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/780,015 US4660085A (en) | 1985-09-25 | 1985-09-25 | Television receiver responsive to plural video signals |
Publications (2)
Publication Number | Publication Date |
---|---|
DE3632484A1 true DE3632484A1 (de) | 1987-04-02 |
DE3632484C2 DE3632484C2 (US08088918-20120103-C00476.png) | 1993-01-14 |
Family
ID=25118298
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE19863632484 Granted DE3632484A1 (de) | 1985-09-25 | 1986-09-24 | Fernsehempfaenger fuer mehrere videosignale |
Country Status (8)
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6387081A (ja) * | 1986-09-30 | 1988-04-18 | Toshiba Corp | モニタテレビジヨン装置 |
JPS645569U (US08088918-20120103-C00476.png) * | 1987-06-26 | 1989-01-12 | ||
US4965669A (en) * | 1989-04-12 | 1990-10-23 | Rca Licensing Corporation | Apparatus for digitally controlling the D.C. value of a processed signal |
US5140422A (en) * | 1990-07-16 | 1992-08-18 | Eastman Kodak Company | Video sync removal circuit |
JP3143117B2 (ja) * | 1990-09-25 | 2001-03-07 | キヤノン株式会社 | 信号処理装置 |
KR950005150B1 (ko) * | 1992-03-23 | 1995-05-18 | 조명언 | 휴대용 tv 겸용 영상모니터장치 |
US5390020A (en) * | 1992-09-14 | 1995-02-14 | Eastman Kodak Company | Video amplifier stabilization for CRT printing |
US5343255A (en) * | 1992-09-17 | 1994-08-30 | Thomson Consumer Electronics, Inc. | Video processing circuit with IF AGC loop, auxiliary video clamp and shared reference voltage source formed on common integrated circuit |
US5361101A (en) * | 1993-11-19 | 1994-11-01 | Zenith Electronics Corporation | Preamplifier for multimedia display |
US7417687B2 (en) * | 2005-05-31 | 2008-08-26 | National Semiconductor Corporation | Video synchronization signal removal circuitry |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3558815A (en) * | 1968-04-01 | 1971-01-26 | Rca Corp | Video signal switching step suppressor |
US4414572A (en) * | 1982-03-15 | 1983-11-08 | Rca Corporation | Clamp for line-alternate signals |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US414572A (en) * | 1889-11-05 | Cigar-wrapping machine | ||
US4301474A (en) * | 1980-04-14 | 1981-11-17 | Tektronix, Inc. | Residual clamp error compensation circuit |
JPS5715575A (en) * | 1980-07-02 | 1982-01-26 | Sony Corp | Synthesis circuit for video signal |
DE3274610D1 (en) * | 1981-09-01 | 1987-01-15 | Nec Corp | Signal processing unit |
JPS5839171A (ja) * | 1981-09-01 | 1983-03-07 | Nec Corp | 信号切換回路 |
-
1985
- 1985-09-25 US US06/780,015 patent/US4660085A/en not_active Expired - Fee Related
-
1986
- 1986-09-19 GB GB8622661A patent/GB2181019B/en not_active Expired
- 1986-09-24 JP JP61227091A patent/JPH06101805B2/ja not_active Expired - Fee Related
- 1986-09-24 DE DE19863632484 patent/DE3632484A1/de active Granted
- 1986-09-24 FR FR868613356A patent/FR2593658B1/fr not_active Expired - Fee Related
- 1986-09-25 KR KR1019860008048A patent/KR940003050B1/ko not_active IP Right Cessation
-
1992
- 1992-03-06 SG SG238/92A patent/SG23892G/en unknown
-
1994
- 1994-09-08 HK HK93994A patent/HK93994A/xx not_active IP Right Cessation
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3558815A (en) * | 1968-04-01 | 1971-01-26 | Rca Corp | Video signal switching step suppressor |
US4414572A (en) * | 1982-03-15 | 1983-11-08 | Rca Corporation | Clamp for line-alternate signals |
Non-Patent Citations (1)
Title |
---|
Valvo, Technische Information 85 07 19, Die Video-Kombination TDA 4580, S.1-7, 12-14 u. 20-22 * |
Also Published As
Publication number | Publication date |
---|---|
KR940003050B1 (ko) | 1994-04-11 |
KR870003653A (ko) | 1987-04-18 |
FR2593658B1 (fr) | 1990-10-12 |
GB8622661D0 (en) | 1986-10-22 |
JPH06101805B2 (ja) | 1994-12-12 |
HK93994A (en) | 1994-09-16 |
GB2181019B (en) | 1989-09-06 |
GB2181019A (en) | 1987-04-08 |
JPS6384381A (ja) | 1988-04-14 |
FR2593658A1 (fr) | 1987-07-31 |
DE3632484C2 (US08088918-20120103-C00476.png) | 1993-01-14 |
US4660085A (en) | 1987-04-21 |
SG23892G (en) | 1992-05-15 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8110 | Request for examination paragraph 44 | ||
8127 | New person/name/address of the applicant |
Owner name: RCA LICENSING CORP., PRINCETON, N.J., US |
|
D2 | Grant after examination | ||
8363 | Opposition against the patent | ||
8366 | Restricted maintained after opposition proceedings | ||
8305 | Restricted maintenance of patent after opposition | ||
D4 | Patent maintained restricted | ||
8320 | Willingness to grant licences declared (paragraph 23) | ||
8339 | Ceased/non-payment of the annual fee |