GB1282841A - Measurement of noise in video signals - Google Patents
Measurement of noise in video signalsInfo
- Publication number
- GB1282841A GB1282841A GB01343/71A GB1134371A GB1282841A GB 1282841 A GB1282841 A GB 1282841A GB 01343/71 A GB01343/71 A GB 01343/71A GB 1134371 A GB1134371 A GB 1134371A GB 1282841 A GB1282841 A GB 1282841A
- Authority
- GB
- United Kingdom
- Prior art keywords
- noise
- signal
- amplified
- reference signal
- level
- 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
- 238000005259 measurement Methods 0.000 title 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N17/00—Diagnosis, testing or measuring for television systems or their details
Landscapes
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- General Health & Medical Sciences (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Testing, Inspecting, Measuring Of Stereoscopic Televisions And Televisions (AREA)
- Testing Electric Properties And Detecting Electric Faults (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2020312 | 1970-04-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1282841A true GB1282841A (en) | 1972-07-26 |
Family
ID=5769386
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB01343/71A Expired GB1282841A (en) | 1970-04-25 | 1971-04-26 | Measurement of noise in video signals |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US3773974A (enExample) |
| DE (1) | DE2020312B1 (enExample) |
| FR (1) | FR2086358B1 (enExample) |
| GB (1) | GB1282841A (enExample) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040207643A1 (en) * | 2003-04-18 | 2004-10-21 | Bozidar Janko | Attention model enhanced video waveform monitor |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2620438A (en) * | 1951-04-07 | 1952-12-02 | Zenith Radio Corp | Noise-factor meter |
| US2885470A (en) * | 1954-12-20 | 1959-05-05 | Gen Precision Lab Inc | Television transmission quality testing system |
| US3214692A (en) * | 1960-01-12 | 1965-10-26 | Ceskoslovenska Akademie Ved | Method of and device for measuring small alternating signals |
| US3302116A (en) * | 1963-05-16 | 1967-01-31 | Sperry Rand Corp | Signal plus noise to noise measuring equipment |
| GB1088254A (en) * | 1965-06-04 | 1967-10-25 | Impulsphysik Gmbh | Receiver for optical radiation pulse signals of low repetition rates with automatic control for maintaining a constant noise level |
| US3401331A (en) * | 1966-03-21 | 1968-09-10 | Charles E. Mussulman | Gray scale and tracking alignment instrument for a color cathode ray tube |
| US3506915A (en) * | 1968-03-14 | 1970-04-14 | Cutler Hammer Inc | Calibrator system for automatic noise figure indicators |
-
1970
- 1970-04-25 DE DE19702020312D patent/DE2020312B1/de active Pending
-
1971
- 1971-04-23 US US00136959A patent/US3773974A/en not_active Expired - Lifetime
- 1971-04-26 GB GB01343/71A patent/GB1282841A/en not_active Expired
- 1971-04-26 FR FR7114735A patent/FR2086358B1/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE2020312B1 (de) | 1971-04-08 |
| FR2086358B1 (enExample) | 1976-09-17 |
| US3773974A (en) | 1973-11-20 |
| FR2086358A1 (enExample) | 1971-12-31 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed [section 19, patents act 1949] | ||
| PCNP | Patent ceased through non-payment of renewal fee |