IT1071529B - Circuito di commutazione per segnali video - Google Patents
Circuito di commutazione per segnali videoInfo
- Publication number
- IT1071529B IT1071529B IT69519/76A IT6951976A IT1071529B IT 1071529 B IT1071529 B IT 1071529B IT 69519/76 A IT69519/76 A IT 69519/76A IT 6951976 A IT6951976 A IT 6951976A IT 1071529 B IT1071529 B IT 1071529B
- Authority
- IT
- Italy
- Prior art keywords
- switching circuit
- video signals
- video
- signals
- switching
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
- H03K17/51—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used
- H03K17/56—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/72—Gated amplifiers, i.e. amplifiers which are rendered operative or inoperative by means of a control signal
-
- 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
- H04N9/74—Circuits for processing colour signals for obtaining special effects
- H04N9/76—Circuits for processing colour signals for obtaining special effects for mixing of colour signals
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Processing Of Color Television Signals (AREA)
- Electronic Switches (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US62472775A | 1975-10-22 | 1975-10-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| IT1071529B true IT1071529B (it) | 1985-04-10 |
Family
ID=24503098
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IT69519/76A IT1071529B (it) | 1975-10-22 | 1976-10-19 | Circuito di commutazione per segnali video |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US4104678A (it) |
| JP (1) | JPS5251856A (it) |
| AU (1) | AU507695B2 (it) |
| CA (1) | CA1101943A (it) |
| DE (1) | DE2645917A1 (it) |
| FR (1) | FR2329110A1 (it) |
| GB (1) | GB1557309A (it) |
| IT (1) | IT1071529B (it) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL7713052A (nl) * | 1977-11-28 | 1979-05-30 | Philips Nv | Gammacorrectieschakeling voor televisie. |
| US4308559A (en) * | 1979-05-14 | 1981-12-29 | Peter Schiff | Switching apparatus for closed circuit television monitoring systems |
| US4312014A (en) * | 1980-04-11 | 1982-01-19 | Ampex Corporation | Input video processor for color television cameras |
| US4774563A (en) * | 1987-05-01 | 1988-09-27 | Zenith Electronics Corporation | Color video switching circuit |
| DE3714643A1 (de) * | 1987-05-02 | 1988-11-17 | Philips Patentverwaltung | Schaltungsanordnung zum verstaerken eines fernsehsignals |
| US4908699A (en) * | 1989-01-23 | 1990-03-13 | The Grass Valley Group, Inc. | Component video accumulation effect |
| US4972157A (en) * | 1989-07-21 | 1990-11-20 | Advanced Micro Devices, Inc. | Operational amplifier having selectable inputs |
| FR2651074B1 (fr) * | 1989-08-16 | 1991-11-29 | Sgs Thomson Microelectronics | Circuit d'amplification a impedance d'entree determinee et a differentes valeurs de transconductance |
| GB2289810A (en) * | 1994-05-20 | 1995-11-29 | Microelectronics Tech Inc | An r.f. switch using transistors as switch and gain elements |
| TW335503B (en) * | 1996-02-23 | 1998-07-01 | Semiconductor Energy Lab Kk | Semiconductor thin film and manufacturing method and semiconductor device and its manufacturing method |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1490269A (fr) * | 1966-08-24 | 1967-07-28 | Siemens Ag | Commutateur électronique |
| US3522449A (en) * | 1967-07-17 | 1970-08-04 | American Standard Inc | Automatic filter selector |
| US3638131A (en) * | 1969-09-29 | 1972-01-25 | Nat Semiconductor Corp | Multiplexing circuit with stage isolation means |
| US3702898A (en) * | 1970-08-04 | 1972-11-14 | Nasa | Electronic video editor |
| US3681699A (en) * | 1971-02-26 | 1972-08-01 | Cogar Corp | Tape channel switching circuit |
| JPS4849372A (it) * | 1971-10-22 | 1973-07-12 | ||
| US3783307A (en) * | 1972-01-03 | 1974-01-01 | Trw Inc | Analog transmission gate |
| FR2199630A1 (it) * | 1972-09-20 | 1974-04-12 | Technicolor |
-
1976
- 1976-10-12 CA CA263,158A patent/CA1101943A/en not_active Expired
- 1976-10-12 DE DE19762645917 patent/DE2645917A1/de not_active Withdrawn
- 1976-10-19 IT IT69519/76A patent/IT1071529B/it active
- 1976-10-19 JP JP51125437A patent/JPS5251856A/ja active Granted
- 1976-10-19 GB GB43317/76A patent/GB1557309A/en not_active Expired
- 1976-10-20 FR FR7631537A patent/FR2329110A1/fr active Pending
- 1976-10-21 AU AU18883/76A patent/AU507695B2/en not_active Expired
-
1977
- 1977-05-19 US US05/798,320 patent/US4104678A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPS549016B2 (it) | 1979-04-20 |
| US4104678A (en) | 1978-08-01 |
| FR2329110A1 (fr) | 1977-05-20 |
| DE2645917A1 (de) | 1977-05-12 |
| GB1557309A (en) | 1979-12-05 |
| JPS5251856A (en) | 1977-04-26 |
| AU1888376A (en) | 1978-04-27 |
| CA1101943A (en) | 1981-05-26 |
| AU507695B2 (en) | 1980-02-21 |
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