NL7001251A - - Google Patents
Info
- Publication number
- NL7001251A NL7001251A NL7001251A NL7001251A NL7001251A NL 7001251 A NL7001251 A NL 7001251A NL 7001251 A NL7001251 A NL 7001251A NL 7001251 A NL7001251 A NL 7001251A NL 7001251 A NL7001251 A NL 7001251A
- Authority
- NL
- Netherlands
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)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (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)
- Control Of Amplification And Gain Control (AREA)
- Monitoring And Testing Of Transmission In General (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT5043969 | 1969-02-04 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL7001251A true NL7001251A (https=) | 1970-08-06 |
Family
ID=11272971
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL7001251A NL7001251A (https=) | 1969-02-04 | 1970-01-29 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US3683282A (https=) |
| DE (1) | DE2000353C3 (https=) |
| FR (1) | FR2031132A5 (https=) |
| GB (1) | GB1295625A (https=) |
| NL (1) | NL7001251A (https=) |
Families Citing this family (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU379216A1 (https=) * | 1971-09-16 | 1974-09-05 | ||
| CA999989A (en) * | 1972-12-14 | 1976-11-16 | Edgar R. Allen | Measurement of noise in a communication channel |
| US3831093A (en) * | 1973-02-28 | 1974-08-20 | Bell Telephone Labor Inc | Signal-to-noise ratio detector for automatic gain controlled receivers |
| US3875328A (en) * | 1973-08-03 | 1975-04-01 | Rca Corp | Apparatus and method for measuring the signal to noise ratio for a periodic signal |
| GB1460513A (en) * | 1974-05-30 | 1977-01-06 | Poost Office | Measurement of noise in a communication channel |
| US3970795A (en) * | 1974-07-16 | 1976-07-20 | The Post Office | Measurement of noise in a communication channel |
| US4052678A (en) * | 1975-08-14 | 1977-10-04 | Motorola, Inc. | Noise floor indicative circuit |
| FR2478320A1 (fr) * | 1980-03-17 | 1981-09-18 | Telediffusion Fse | Dispositif d'acquisition et de moyennage des echantillons d'un signal periodique bruite |
| JPS56143960A (en) * | 1980-04-10 | 1981-11-10 | Hajime Sangyo Kk | Noise detector |
| 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. |
| US4721997A (en) * | 1986-06-02 | 1988-01-26 | Sencore, Inc. | Signal to noise ratio measurement by sampling noise outside carrier frequency |
| GB2192465B (en) * | 1986-07-12 | 1990-03-21 | Marconi Instruments Ltd | Signal measurement |
| FR2605822B1 (fr) * | 1986-10-22 | 1989-06-16 | Beugin Marc | Procede de selection de signaux de television, notamment dans une liaison redondante a deux voies, et dispositif pour la mise en oeuvre de ce procede |
| US4837498A (en) * | 1987-09-29 | 1989-06-06 | Hewlett-Packard Company | Method and apparatus for setting the signal-to-noise ratio of a carrier wave |
| US5128619A (en) * | 1989-04-03 | 1992-07-07 | Bjork Roger A | System and method of determining cable characteristics |
| ES2108620B1 (es) * | 1994-12-19 | 1998-08-01 | Instrumentacion Electronica Pr | Procedimiento y aparato de medida de la relacion portadora-ruido en un canal de televison. |
| US6041777A (en) * | 1995-12-01 | 2000-03-28 | Alliance Pharmaceutical Corp. | Methods and apparatus for closed-circuit ventilation therapy |
| US6239834B1 (en) * | 1996-01-11 | 2001-05-29 | Kokusai Denshin Denwa Co., Ltd. | Apparatus for evaluating digital picture quality |
| GB9713790D0 (en) * | 1997-07-01 | 1997-09-03 | Raychem Sa Nv | Noise monitoring unit |
| CA2374437C (en) | 1999-10-28 | 2007-02-13 | Tollgrade Communications, Inc. | Method and apparatus for delay-line time-domain reflectometry |
| US8593526B1 (en) * | 2012-06-22 | 2013-11-26 | Silicon Laboratories Inc. | Apparatus for measuring noise in an analog signal |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2694142A (en) * | 1949-11-10 | 1954-11-09 | Bell Telephone Labor Inc | Signal-to-noise energy detection unit |
| US2868970A (en) * | 1953-10-27 | 1959-01-13 | Hazeltine Research Inc | Signal-to-noise responsive system |
| BE548184A (https=) * | 1955-06-01 | |||
| US2988693A (en) * | 1957-12-31 | 1961-06-13 | Gen Electronic Lab Inc | Signal and noise level determining apparatus |
| US2959672A (en) * | 1960-02-24 | 1960-11-08 | Haise Anthony R La | Signal-plus-noise to noise ratio meter |
| US3302116A (en) * | 1963-05-16 | 1967-01-31 | Sperry Rand Corp | Signal plus noise to noise measuring equipment |
| GB1212367A (en) * | 1966-12-23 | 1970-11-18 | Wandel U Goltermann K G | A high frequency signal level measuring instrument |
-
1970
- 1970-01-07 DE DE2000353A patent/DE2000353C3/de not_active Expired
- 1970-01-15 FR FR7001374A patent/FR2031132A5/fr not_active Expired
- 1970-01-28 US US6488A patent/US3683282A/en not_active Expired - Lifetime
- 1970-01-29 GB GB1295625D patent/GB1295625A/en not_active Expired
- 1970-01-29 NL NL7001251A patent/NL7001251A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| DE2000353C3 (de) | 1979-11-29 |
| US3683282A (en) | 1972-08-08 |
| FR2031132A5 (https=) | 1970-11-13 |
| GB1295625A (https=) | 1972-11-08 |
| DE2000353B2 (de) | 1979-04-05 |
| DE2000353A1 (de) | 1970-08-06 |