CS159994B1 - - Google Patents
Info
- Publication number
- CS159994B1 CS159994B1 CS6342A CS634272A CS159994B1 CS 159994 B1 CS159994 B1 CS 159994B1 CS 6342 A CS6342 A CS 6342A CS 634272 A CS634272 A CS 634272A CS 159994 B1 CS159994 B1 CS 159994B1
- Authority
- CS
- Czechoslovakia
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R29/00—Arrangements for measuring or indicating electric quantities not covered by groups G01R19/00 - G01R27/00
- G01R29/26—Measuring noise figure; Measuring signal-to-noise ratio
-
- 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)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Testing, Inspecting, Measuring Of Stereoscopic Televisions And Televisions (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SU1695259A SU379216A1 (cs) | 1971-09-16 | 1971-09-16 | |
| GB4559172A GB1402745A (en) | 1971-09-16 | 1972-10-03 | Apparatus for automatic measurement of the video signal-to-noise ratio in a television channel |
| US33939173A | 1973-03-08 | 1973-03-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CS159994B1 true CS159994B1 (cs) | 1975-02-28 |
Family
ID=38289904
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CS6342A CS159994B1 (cs) | 1971-09-16 | 1972-09-15 |
Country Status (10)
| Country | Link |
|---|---|
| US (1) | US3995105A (cs) |
| CS (1) | CS159994B1 (cs) |
| DD (1) | DD106087A1 (cs) |
| DE (1) | DE2245604C3 (cs) |
| FR (1) | FR2153024B1 (cs) |
| GB (1) | GB1402745A (cs) |
| HU (1) | HU167132B (cs) |
| IT (1) | IT972175B (cs) |
| PL (1) | PL78403B1 (cs) |
| SU (1) | SU379216A1 (cs) |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4172263A (en) * | 1978-03-09 | 1979-10-23 | Home Box Office Inc. | Methods and apparatus for measuring signal-to-noise ratio |
| US4240100A (en) * | 1979-03-08 | 1980-12-16 | Marconi Electronics, Inc. | Television interval timer employing digital techniques |
| NL8300725A (nl) * | 1983-02-25 | 1984-09-17 | Optische Ind De Oude Delft Nv | Werkwijze en inrichting voor het bepalen van de beeldoverdrachtskwaliteit van een afbeeldend systeem. |
| US4701797A (en) * | 1984-06-07 | 1987-10-20 | C3 E M Company Ltd. | Miniature television transmitter |
| US4721997A (en) * | 1986-06-02 | 1988-01-26 | Sencore, Inc. | Signal to noise ratio measurement by sampling noise outside carrier frequency |
| US4760448A (en) * | 1987-05-04 | 1988-07-26 | Sencore, Inc. | Method of measuring amplitude variations of a video carrier and apparatus therefor |
| JP2559093Y2 (ja) * | 1992-05-08 | 1998-01-14 | ワイケイケイ株式会社 | 面ファスナー |
| US6239834B1 (en) * | 1996-01-11 | 2001-05-29 | Kokusai Denshin Denwa Co., Ltd. | Apparatus for evaluating digital picture quality |
| US6611150B1 (en) | 1999-03-31 | 2003-08-26 | Sadelco, Inc. | Leakage detector for use in combination with a signal level meter |
| US7170861B2 (en) * | 2001-07-31 | 2007-01-30 | Texas Instruments Incorporated | Distributed device identifier numbering and total device counting algorithm with smart time division multiplexed serial port |
| EP1309185A1 (en) * | 2001-10-31 | 2003-05-07 | Sony International (Europe) GmbH | Image noise detection |
| US7038669B2 (en) * | 2002-07-01 | 2006-05-02 | Hewlett-Packard Development Company, L.P. | System and method for providing a reference video signal |
| US8593526B1 (en) * | 2012-06-22 | 2013-11-26 | Silicon Laboratories Inc. | Apparatus for measuring noise in an analog signal |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2953746A (en) * | 1958-12-18 | 1960-09-20 | Bell Telephone Labor Inc | Peak reading voltmeter for individual pulses |
| US3506915A (en) * | 1968-03-14 | 1970-04-14 | Cutler Hammer Inc | Calibrator system for automatic noise figure indicators |
| DE2000353C3 (de) * | 1969-02-04 | 1979-11-29 | Rai Radiotelevisione Italiana, Rom | Verfahren und Vorrichtung zur automatischen Messung des Rauschabstandes |
| US3875328A (en) * | 1973-08-03 | 1975-04-01 | Rca Corp | Apparatus and method for measuring the signal to noise ratio for a periodic signal |
-
1971
- 1971-09-16 SU SU1695259A patent/SU379216A1/ru active
-
1972
- 1972-09-15 HU HUKI681A patent/HU167132B/hu unknown
- 1972-09-15 IT IT29290/72A patent/IT972175B/it active
- 1972-09-15 PL PL1972157770A patent/PL78403B1/pl unknown
- 1972-09-15 FR FR7232767A patent/FR2153024B1/fr not_active Expired
- 1972-09-15 CS CS6342A patent/CS159994B1/cs unknown
- 1972-09-16 DE DE2245604A patent/DE2245604C3/de not_active Expired
- 1972-09-18 DD DD165722A patent/DD106087A1/xx unknown
- 1972-10-03 GB GB4559172A patent/GB1402745A/en not_active Expired
-
1975
- 1975-11-28 US US05/636,226 patent/US3995105A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| DE2245604B2 (de) | 1974-04-25 |
| FR2153024B1 (cs) | 1976-08-13 |
| IT972175B (it) | 1974-05-20 |
| US3995105A (en) | 1976-11-30 |
| PL78403B1 (cs) | 1975-06-30 |
| DE2245604C3 (de) | 1974-11-21 |
| GB1402745A (en) | 1975-08-13 |
| HU167132B (cs) | 1975-08-28 |
| FR2153024A1 (cs) | 1973-04-27 |
| SU379216A1 (cs) | 1974-09-05 |
| DD106087A1 (cs) | 1974-05-20 |
| DE2245604A1 (de) | 1973-04-12 |