NO131224B - - Google Patents
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- Publication number
- NO131224B NO131224B NO4139/70A NO413970A NO131224B NO 131224 B NO131224 B NO 131224B NO 4139/70 A NO4139/70 A NO 4139/70A NO 413970 A NO413970 A NO 413970A NO 131224 B NO131224 B NO 131224B
- Authority
- NO
- Norway
- Prior art keywords
- locking
- level
- line
- circuit
- signals
- Prior art date
Links
- 230000001629 suppression Effects 0.000 claims description 17
- 238000010586 diagram Methods 0.000 description 20
- 230000003321 amplification Effects 0.000 description 5
- 230000008859 change Effects 0.000 description 5
- 238000003199 nucleic acid amplification method Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 238000007493 shaping process Methods 0.000 description 3
- 238000013459 approach Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 241000380131 Ammophila arenaria Species 0.000 description 1
- 208000019300 CLIPPERS Diseases 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 208000021930 chronic lymphocytic inflammation with pontine perivascular enhancement responsive to steroids Diseases 0.000 description 1
- 230000004456 color vision Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- ACGUYXCXAPNIKK-UHFFFAOYSA-N hexachlorophene Chemical compound OC1=C(Cl)C=C(Cl)C(Cl)=C1CC1=C(O)C(Cl)=CC(Cl)=C1Cl ACGUYXCXAPNIKK-UHFFFAOYSA-N 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000009877 rendering Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000004804 winding 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
- H04N5/18—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
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Picture Signal Circuits (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB53661/69A GB1269246A (en) | 1969-11-01 | 1969-11-01 | Improvements in or relating to television cameras |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| NO131224B true NO131224B (xx) | 1975-01-13 |
| NO131224C NO131224C (xx) | 1975-04-23 |
Family
ID=10468580
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO4139/70A NO131224C (xx) | 1969-11-01 | 1970-10-30 |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US3700794A (xx) |
| CA (1) | CA939050A (xx) |
| DE (1) | DE2053477A1 (xx) |
| FR (1) | FR2066933B1 (xx) |
| GB (1) | GB1269246A (xx) |
| NL (1) | NL7014967A (xx) |
| NO (1) | NO131224C (xx) |
| SE (1) | SE366627B (xx) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1355131A (en) * | 1971-07-29 | 1974-06-05 | Philips Electronic Associated | Video contour determining circuit |
| US3818127A (en) * | 1973-01-31 | 1974-06-18 | Emhart Corp | Base line stabilizing circuit for video inspection machine |
| US3949165A (en) * | 1974-11-12 | 1976-04-06 | General Electric Company | Noise immune clamp circuit |
| US3976833A (en) * | 1974-11-21 | 1976-08-24 | Xerox Corporation | Amplifier back-ground control apparatus for use in a document scanning system |
| US3970777A (en) * | 1975-06-09 | 1976-07-20 | Minnesota Mining And Manufacturing Company | Apparatus for adjusting video pedestal and peak white level |
| US4101932A (en) * | 1975-11-17 | 1978-07-18 | Harris Corporation | Video preamplifier for camera operated in act mode |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE287121C (xx) * | ||||
| NL174245B (nl) * | 1951-12-05 | Saint Gobain | Inrichting voor het harden van vooraf gebogen glasplaten. | |
| GB799052A (en) * | 1956-01-19 | 1958-07-30 | Marconi Wireless Telegraph Co | Improvements in or relating to modulating circuit arrangements |
| US3418425A (en) * | 1966-01-03 | 1968-12-24 | Northern Electric Co | System for reducing low frequency variations in the average value of a signal |
| US3526710A (en) * | 1967-03-30 | 1970-09-01 | Gen Electric | Automatic black level control of television signals |
| US3551596A (en) * | 1968-05-17 | 1970-12-29 | Bell Telephone Labor Inc | Error compensation network for video signals |
-
1969
- 1969-11-01 GB GB53661/69A patent/GB1269246A/en not_active Expired
-
1970
- 1970-08-31 SE SE11817/70A patent/SE366627B/xx unknown
- 1970-09-28 US US76170A patent/US3700794A/en not_active Expired - Lifetime
- 1970-10-13 NL NL7014967A patent/NL7014967A/xx unknown
- 1970-10-30 NO NO4139/70A patent/NO131224C/no unknown
- 1970-10-30 DE DE19702053477 patent/DE2053477A1/de active Pending
- 1970-10-30 CA CA096990A patent/CA939050A/en not_active Expired
- 1970-10-30 FR FR7039269A patent/FR2066933B1/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US3700794A (en) | 1972-10-24 |
| FR2066933B1 (xx) | 1974-02-01 |
| NL7014967A (xx) | 1971-05-04 |
| CA939050A (en) | 1973-12-25 |
| DE2053477A1 (de) | 1971-06-09 |
| FR2066933A1 (xx) | 1971-08-13 |
| SE366627B (xx) | 1974-04-29 |
| GB1269246A (en) | 1972-04-06 |
| NO131224C (xx) | 1975-04-23 |
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