VN248A1 - A clamp system - Google Patents
A clamp systemInfo
- Publication number
- VN248A1 VN248A1 VNS-542/93A VN54293A VN248A1 VN 248 A1 VN248 A1 VN 248A1 VN 54293 A VN54293 A VN 54293A VN 248 A1 VN248 A1 VN 248A1
- Authority
- VN
- Vietnam
- Prior art keywords
- clamp system
- clamp
- 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
- H04N5/52—Automatic gain control
-
- 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
- H04N5/18—Circuitry for reinsertion of dc and slowly varying components of signal; Circuitry for preservation of black or white level by means of "clamp" circuit operated by switching circuit
-
- 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)
- Picture Signal Circuits (AREA)
- Television Receiver Circuits (AREA)
- Control Of Amplification And Gain Control (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/948,206 US5343255A (en) | 1992-09-17 | 1992-09-17 | Video processing circuit with IF AGC loop, auxiliary video clamp and shared reference voltage source formed on common integrated circuit |
Publications (1)
Publication Number | Publication Date |
---|---|
VN248A1 true VN248A1 (en) | 1996-01-25 |
Family
ID=25487474
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
VNS-542/93A VN248A1 (en) | 1992-09-17 | 1993-08-12 | A clamp system |
Country Status (12)
Country | Link |
---|---|
US (1) | US5343255A (en) |
EP (1) | EP0588169B1 (en) |
JP (1) | JP2775223B2 (en) |
KR (1) | KR100278524B1 (en) |
CN (1) | CN1037224C (en) |
DE (1) | DE69315287T2 (en) |
ES (1) | ES2109406T3 (en) |
MX (1) | MX9305649A (en) |
MY (1) | MY108820A (en) |
SG (1) | SG67891A1 (en) |
TR (1) | TR28020A (en) |
VN (1) | VN248A1 (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR0155639B1 (en) * | 1995-10-04 | 1998-11-16 | 김광호 | Bnc/d-sub auto-selecting circuit |
US5841488A (en) * | 1995-12-28 | 1998-11-24 | Thomson Consumer Electronics, Inc. | Multiple video input clamping arrangement |
KR101588299B1 (en) * | 2009-01-20 | 2016-01-25 | 삼성전자주식회사 | 4- AF module with 4-Tr type AF pixels to real-time monitoring amount of received light and photographing apparatus using the same |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4162451A (en) * | 1977-07-05 | 1979-07-24 | Texas Instruments Incorporated | MESFET-device surface-wave-device channel selector |
US4301474A (en) * | 1980-04-14 | 1981-11-17 | Tektronix, Inc. | Residual clamp error compensation circuit |
US4660085A (en) * | 1985-09-25 | 1987-04-21 | Rca Corporation | Television receiver responsive to plural video signals |
US4660084A (en) * | 1985-09-25 | 1987-04-21 | Rca Corporation | Television receiver with selectable video input signals |
US4663668A (en) * | 1986-06-12 | 1987-05-05 | Rca Corporation | Brightness clamping apparatus for TV receiver with multiple inputs |
JPH074002B2 (en) * | 1986-08-20 | 1995-01-18 | 松下電器産業株式会社 | Television signal clamp device |
DE3686265D1 (en) * | 1986-09-13 | 1992-09-03 | Itt Ind Gmbh Deutsche | ADAPTER CIRCUIT FOR TELEVISION COMPONENT SIGNALS. |
JPH01208084A (en) * | 1988-02-15 | 1989-08-22 | Nec Corp | Intermediate frequency signal processing circuit |
US4965669A (en) * | 1989-04-12 | 1990-10-23 | Rca Licensing Corporation | Apparatus for digitally controlling the D.C. value of a processed signal |
US5027017A (en) * | 1990-01-19 | 1991-06-25 | Rca Licensing Corporation | Sync tip clamp circuitry |
-
1992
- 1992-09-17 US US07/948,206 patent/US5343255A/en not_active Expired - Lifetime
-
1993
- 1993-08-05 MY MYPI93001541A patent/MY108820A/en unknown
- 1993-08-12 VN VNS-542/93A patent/VN248A1/en unknown
- 1993-09-02 EP EP93114057A patent/EP0588169B1/en not_active Expired - Lifetime
- 1993-09-02 SG SG1996003042A patent/SG67891A1/en unknown
- 1993-09-02 DE DE69315287T patent/DE69315287T2/en not_active Expired - Lifetime
- 1993-09-02 ES ES93114057T patent/ES2109406T3/en not_active Expired - Lifetime
- 1993-09-14 TR TR00821/93A patent/TR28020A/en unknown
- 1993-09-14 KR KR1019930018409A patent/KR100278524B1/en not_active IP Right Cessation
- 1993-09-14 MX MX9305649A patent/MX9305649A/en not_active IP Right Cessation
- 1993-09-16 CN CN93117277A patent/CN1037224C/en not_active Expired - Fee Related
- 1993-09-17 JP JP5254864A patent/JP2775223B2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
CN1037224C (en) | 1998-01-28 |
MY108820A (en) | 1996-11-30 |
MX9305649A (en) | 1994-06-30 |
TR28020A (en) | 1995-12-08 |
KR100278524B1 (en) | 2001-01-15 |
DE69315287D1 (en) | 1998-01-02 |
KR940008412A (en) | 1994-04-29 |
US5343255A (en) | 1994-08-30 |
CN1085372A (en) | 1994-04-13 |
SG67891A1 (en) | 1999-10-19 |
DE69315287T2 (en) | 1998-04-02 |
EP0588169A1 (en) | 1994-03-23 |
ES2109406T3 (en) | 1998-01-16 |
JPH06225180A (en) | 1994-08-12 |
JP2775223B2 (en) | 1998-07-16 |
EP0588169B1 (en) | 1997-11-19 |
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