DE2738189C2 - Störunterdrückungsschaltung - Google Patents
StörunterdrückungsschaltungInfo
- Publication number
- DE2738189C2 DE2738189C2 DE2738189A DE2738189A DE2738189C2 DE 2738189 C2 DE2738189 C2 DE 2738189C2 DE 2738189 A DE2738189 A DE 2738189A DE 2738189 A DE2738189 A DE 2738189A DE 2738189 C2 DE2738189 C2 DE 2738189C2
- Authority
- DE
- Germany
- Prior art keywords
- signal
- circuit
- output
- frequency
- amplitude
- 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
- 230000001629 suppression Effects 0.000 title claims description 21
- 239000003990 capacitor Substances 0.000 claims description 11
- 230000000670 limiting effect Effects 0.000 claims description 9
- 230000000903 blocking effect Effects 0.000 claims description 6
- 230000005012 migration Effects 0.000 description 12
- 238000013508 migration Methods 0.000 description 12
- 230000000694 effects Effects 0.000 description 10
- 239000002131 composite material Substances 0.000 description 9
- 239000000203 mixture Substances 0.000 description 5
- 230000010363 phase shift Effects 0.000 description 5
- 230000008859 change Effects 0.000 description 3
- 230000000295 complement effect Effects 0.000 description 3
- 230000003287 optical effect Effects 0.000 description 3
- 230000010355 oscillation Effects 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 238000001228 spectrum Methods 0.000 description 3
- 230000008033 biological extinction Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000003111 delayed effect Effects 0.000 description 2
- 230000008030 elimination Effects 0.000 description 2
- 238000003379 elimination reaction Methods 0.000 description 2
- 230000000737 periodic effect Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 230000001944 accentuation Effects 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 230000009849 deactivation Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000006735 deficit Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000004069 differentiation Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 230000002123 temporal effect Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/06—Receivers
- H04B1/10—Means associated with receiver for limiting or suppressing noise or interference
- H04B1/12—Neutralising, balancing, or compensation arrangements
-
- 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
- H04N5/21—Circuitry for suppressing or minimising disturbance, e.g. moiré or halo
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/76—Television signal recording
- H04N5/91—Television signal processing therefor
- H04N5/911—Television signal processing therefor for the suppression of noise
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Computer Networks & Wireless Communication (AREA)
- Picture Signal Circuits (AREA)
- Television Signal Processing For Recording (AREA)
- Processing Of Color Television Signals (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/718,804 US4110784A (en) | 1976-08-30 | 1976-08-30 | Noise reduction apparatus |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE2738189A1 DE2738189A1 (de) | 1978-03-02 |
| DE2738189C2 true DE2738189C2 (de) | 1983-04-21 |
Family
ID=24887625
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE2738189A Expired DE2738189C2 (de) | 1976-08-30 | 1977-08-24 | Störunterdrückungsschaltung |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US4110784A (enExample) |
| JP (1) | JPS5338212A (enExample) |
| DE (1) | DE2738189C2 (enExample) |
| FR (1) | FR2363229A1 (enExample) |
| GB (2) | GB1596131A (enExample) |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4167749A (en) * | 1977-05-26 | 1979-09-11 | Rca Corporation | Noise reduction apparatus |
| JPS5526787A (en) * | 1978-08-17 | 1980-02-26 | Toshiba Corp | Video signal regenerator |
| DE2839654C2 (de) * | 1978-09-12 | 1983-11-17 | Siemens AG, 1000 Berlin und 8000 München | Schaltungsanordnung zur Unterdrückung des Störanteils in verrauschten Meßsignalen |
| US4312013A (en) * | 1979-09-19 | 1982-01-19 | Rca Corporation | Non-linear aperture correction circuit |
| JPS5556775A (en) * | 1978-10-20 | 1980-04-25 | Sony Corp | Noise eliminating circuit |
| JPS55117712A (en) * | 1979-02-28 | 1980-09-10 | Matsushita Electric Ind Co Ltd | Noise reduction circuit of video signal recording and reproducing device |
| US4224638A (en) * | 1979-05-11 | 1980-09-23 | Rca Corporation | Frequency multiplier for use with CCD comb filter |
| DE3226432A1 (de) * | 1981-10-14 | 1984-01-19 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Schaltung zur versteilerung der flanken eines videosignals |
| JPS6077114U (ja) * | 1983-11-01 | 1985-05-29 | パイオニア株式会社 | Ｆｍ信号復調装置 |
| DE3530299A1 (de) * | 1985-08-26 | 1987-03-05 | Bosch Gmbh Robert | Schaltungsanordnung zur reduzierung des kantenrauschens bei der uebertragung von videosignalen |
| JPH0720263B2 (ja) * | 1986-01-17 | 1995-03-06 | ソニー株式会社 | 搬送色信号処理回路 |
| FR2605159B1 (fr) * | 1986-10-08 | 1993-10-08 | Production Creation Audiovisuell | Correcteur anti-oscillations notamment pour filtre |
| US4811404A (en) * | 1987-10-01 | 1989-03-07 | Motorola, Inc. | Noise suppression system |
Family Cites Families (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB685483A (en) * | 1950-06-23 | 1953-01-07 | Gen Electric Co Ltd | Improvements in or relating to television apparatus |
| BE531323A (enExample) * | 1953-09-01 | |||
| US3333055A (en) * | 1963-06-01 | 1967-07-25 | Fernseh Gmbh | Apparatus for increasing the signal-to-noise ratio of a television signal |
| US3288930A (en) * | 1964-11-12 | 1966-11-29 | Winston Res Corp | Wide-band signal-translating channel |
| DE1908247B2 (de) * | 1969-02-19 | 1971-03-04 | Fernseh Gmbh, 6100 Darmstadt | Schaltungsanordnung zur verringerung von stoerungen hoeherer frequenz (rauschen) in breitbandigen elektrischen signalen insbesondere fernsehsignalen |
| US3715477A (en) * | 1971-03-11 | 1973-02-06 | Rca Corp | Video signal noise-limiting apparatus |
| US3842194A (en) * | 1971-03-22 | 1974-10-15 | Rca Corp | Information records and recording/playback systems therefor |
| NL163388C (nl) * | 1971-05-04 | 1980-08-15 | Philips Nv | Ruisonderdrukkingsschakeling. |
| NL164435C (nl) * | 1971-06-24 | 1980-12-15 | Philips Nv | Ontvanginrichting. |
| GB1431378A (en) * | 1972-04-19 | 1976-04-07 | Rca Corp | Colour information translating systems |
| US3775555A (en) * | 1972-08-31 | 1973-11-27 | Modulator system | |
| US3969756A (en) * | 1974-11-12 | 1976-07-13 | Rca Corporation | Color-picture/multichannel-sound record and recording/playback apparatus and methods therefor |
| GB1524356A (en) * | 1974-11-18 | 1978-09-13 | Rca Corp | Corporation sync separator |
| JPS5541588B2 (enExample) * | 1974-11-21 | 1980-10-24 | ||
| US3969757A (en) * | 1975-04-21 | 1976-07-13 | Rca Corporation | Color image signal processing circuits |
| US4009334A (en) * | 1976-03-17 | 1977-02-22 | Eastman Kodak Company | Video noise reduction circuit |
-
1976
- 1976-08-30 US US05/718,804 patent/US4110784A/en not_active Expired - Lifetime
-
1977
- 1977-08-24 DE DE2738189A patent/DE2738189C2/de not_active Expired
- 1977-08-25 GB GB35703/77A patent/GB1596131A/en not_active Expired
- 1977-08-25 GB GB1791/80A patent/GB1586360A/en not_active Expired
- 1977-08-26 JP JP10312177A patent/JPS5338212A/ja active Granted
- 1977-08-29 FR FR7726226A patent/FR2363229A1/fr active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| DE2738189A1 (de) | 1978-03-02 |
| FR2363229A1 (fr) | 1978-03-24 |
| JPS5731827B2 (enExample) | 1982-07-07 |
| FR2363229B1 (enExample) | 1983-12-23 |
| GB1596131A (en) | 1981-08-19 |
| US4110784A (en) | 1978-08-29 |
| JPS5338212A (en) | 1978-04-08 |
| GB1586360A (en) | 1981-03-18 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OD | Request for examination | ||
| D2 | Grant after examination | ||
| 8363 | Opposition against the patent | ||
| 8364 | No opposition during term of opposition | ||
| 8364 | No opposition during term of opposition | ||
| 8380 | Miscellaneous part iii |
Free format text: IN HEFT 46/83, SEITE 8923, SP. 3: DIE VEROEFFENTLICHUNG IST ZU STREICHEN |
|
| 8339 | Ceased/non-payment of the annual fee |