DE1942686C3 - Videosignalverstärker - Google Patents
VideosignalverstärkerInfo
- Publication number
- DE1942686C3 DE1942686C3 DE1942686A DE1942686A DE1942686C3 DE 1942686 C3 DE1942686 C3 DE 1942686C3 DE 1942686 A DE1942686 A DE 1942686A DE 1942686 A DE1942686 A DE 1942686A DE 1942686 C3 DE1942686 C3 DE 1942686C3
- Authority
- DE
- Germany
- Prior art keywords
- transistor
- video signal
- capacitor
- signal
- amplifier
- 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.)
- Expired
Links
- 239000003990 capacitor Substances 0.000 claims description 48
- 230000008878 coupling Effects 0.000 claims description 25
- 238000010168 coupling process Methods 0.000 claims description 25
- 238000005859 coupling reaction Methods 0.000 claims description 25
- 230000000903 blocking effect Effects 0.000 claims description 5
- 239000000203 mixture Substances 0.000 claims description 2
- 238000011084 recovery Methods 0.000 claims description 2
- 239000002131 composite material Substances 0.000 claims 1
- 238000004804 winding Methods 0.000 description 4
- 230000007423 decrease Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000036039 immunity Effects 0.000 description 3
- 239000004065 semiconductor Substances 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 230000006641 stabilisation Effects 0.000 description 2
- 238000011105 stabilization Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000001143 conditioned effect Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000005236 sound signal Effects 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
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
- 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
- H04N9/72—Circuits for processing colour signals for reinsertion of DC and slowly varying components of colour signals
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Processing Of Color Television Signals (AREA)
- Picture Signal Circuits (AREA)
- Video Image Reproduction Devices For Color Tv Systems (AREA)
- Amplifiers (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB4098068 | 1968-08-27 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| DE1942686A1 DE1942686A1 (de) | 1970-09-03 |
| DE1942686B2 DE1942686B2 (de) | 1973-11-08 |
| DE1942686C3 true DE1942686C3 (de) | 1981-09-10 |
Family
ID=10417541
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE1942686A Expired DE1942686C3 (de) | 1968-08-27 | 1969-08-21 | Videosignalverstärker |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US3585295A (enExample) |
| DE (1) | DE1942686C3 (enExample) |
| ES (1) | ES370659A1 (enExample) |
| FR (1) | FR2017049B1 (enExample) |
| GB (1) | GB1234669A (enExample) |
| NL (1) | NL163932C (enExample) |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL95558C (enExample) * | 1952-10-10 | |||
| US2863943A (en) * | 1954-11-30 | 1958-12-09 | Rca Corp | Feedback clamping circuit arrangements |
| BE551873A (enExample) * | 1955-10-19 | |||
| GB923173A (en) * | 1963-10-21 | 1963-04-10 | Ferguson Radio Corp | Improvements in or relating to d.c. restoration in amplifiers |
| US3396236A (en) * | 1965-06-07 | 1968-08-06 | Fairchild Camera Instr Co | Automatic black-level control circuit |
-
1968
- 1968-08-27 GB GB4098068A patent/GB1234669A/en not_active Expired
-
1969
- 1969-01-13 US US790762A patent/US3585295A/en not_active Expired - Lifetime
- 1969-08-20 ES ES370659A patent/ES370659A1/es not_active Expired
- 1969-08-21 DE DE1942686A patent/DE1942686C3/de not_active Expired
- 1969-08-26 NL NL6913019.A patent/NL163932C/xx not_active IP Right Cessation
- 1969-08-27 FR FR6929255A patent/FR2017049B1/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| NL163932B (nl) | 1980-05-16 |
| NL163932C (nl) | 1980-10-15 |
| GB1234669A (enExample) | 1971-06-09 |
| NL6913019A (enExample) | 1970-03-03 |
| DE1942686A1 (de) | 1970-09-03 |
| FR2017049A1 (enExample) | 1970-05-15 |
| FR2017049B1 (enExample) | 1973-10-19 |
| ES370659A1 (es) | 1971-05-01 |
| DE1942686B2 (de) | 1973-11-08 |
| US3585295A (en) | 1971-06-15 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C3 | Grant after two publication steps (3rd publication) | ||
| 8339 | Ceased/non-payment of the annual fee |