NL7002274A - - Google Patents
Info
- Publication number
- NL7002274A NL7002274A NL7002274A NL7002274A NL7002274A NL 7002274 A NL7002274 A NL 7002274A NL 7002274 A NL7002274 A NL 7002274A NL 7002274 A NL7002274 A NL 7002274A NL 7002274 A NL7002274 A NL 7002274A
- Authority
- NL
- Netherlands
Links
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
- H04N5/21—Circuitry for suppressing or minimising disturbance, e.g. moiré or halo
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G5/00—Tone control or bandwidth control in amplifiers
- H03G5/16—Automatic control
- H03G5/18—Automatic control in untuned amplifiers
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G9/00—Combinations of two or more types of control, e.g. gain control and tone control
- H03G9/02—Combinations of two or more types of control, e.g. gain control and tone control in untuned amplifiers
- H03G9/025—Combinations of two or more types of control, e.g. gain control and tone control in untuned amplifiers frequency-dependent volume compression or expansion, e.g. multiple-band systems
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 |
|---|---|---|---|
| DE19691908247 DE1908247B2 (de) | 1969-02-19 | 1969-02-19 | Schaltungsanordnung zur verringerung von stoerungen hoeherer frequenz (rauschen) in breitbandigen elektrischen signalen insbesondere fernsehsignalen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL7002274A true NL7002274A (xx) | 1970-08-21 |
Family
ID=5725703
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL7002274A NL7002274A (xx) | 1969-02-19 | 1970-02-18 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US3602737A (xx) |
| BE (1) | BE745949A (xx) |
| DE (1) | DE1908247B2 (xx) |
| FR (1) | FR2031520B1 (xx) |
| GB (1) | GB1246243A (xx) |
| NL (1) | NL7002274A (xx) |
Families Citing this family (23)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5428981Y2 (xx) * | 1974-06-17 | 1979-09-17 | ||
| US3715477A (en) * | 1971-03-11 | 1973-02-06 | Rca Corp | Video signal noise-limiting apparatus |
| US3701950A (en) * | 1971-04-14 | 1972-10-31 | Bell Telephone Labor Inc | Narrow-band filter |
| JPS50102218A (xx) * | 1974-01-09 | 1975-08-13 | ||
| US3946211A (en) * | 1974-07-17 | 1976-03-23 | Leeds & Northrup Company | Amplitude limited filter |
| JPS5541588B2 (xx) * | 1974-11-21 | 1980-10-24 | ||
| JPS524737A (en) * | 1975-07-01 | 1977-01-14 | Sony Corp | Ghost image elimination circuit |
| US4057828A (en) * | 1975-11-17 | 1977-11-08 | Harris Corporation | Contrast compression circuits |
| US4009334A (en) * | 1976-03-17 | 1977-02-22 | Eastman Kodak Company | Video noise reduction circuit |
| US4110784A (en) * | 1976-08-30 | 1978-08-29 | Rca Corporation | Noise reduction apparatus |
| US4167749A (en) * | 1977-05-26 | 1979-09-11 | Rca Corporation | Noise reduction apparatus |
| JPS55117712A (en) * | 1979-02-28 | 1980-09-10 | Matsushita Electric Ind Co Ltd | Noise reduction circuit of video signal recording and reproducing device |
| US4303943A (en) * | 1980-03-24 | 1981-12-01 | Magnavox Government & Industrial Electronics | Adaptive enhancement of signal-to-noise ratio in television imagery |
| US4563704A (en) * | 1981-06-19 | 1986-01-07 | Victor Company Of Japan, Ltd. | Noise reduction circuit for a video signal |
| DE3226432A1 (de) * | 1981-10-14 | 1984-01-19 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Schaltung zur versteilerung der flanken eines videosignals |
| JPS58157285A (ja) * | 1982-03-15 | 1983-09-19 | Victor Co Of Japan Ltd | 搬送色信号の雑音低減回路 |
| US4573075A (en) * | 1983-06-24 | 1986-02-25 | Rca Corporation | Digital signal coring apparatus with controllable coring threshold level |
| US4538178A (en) * | 1983-06-24 | 1985-08-27 | Rca Corporation | Digital signal peaking apparatus with controllable peaking level |
| US4571511A (en) * | 1983-06-27 | 1986-02-18 | Rca Corporation | Noise reduction system |
| FR2552607B1 (fr) * | 1983-09-22 | 1985-10-25 | Fernandez Enrique | Procede de brouillage d'un signal de television et appareil de debrouillage correspondant |
| JPS60263512A (ja) * | 1984-06-11 | 1985-12-27 | Hitachi Ltd | 波形補償方式 |
| JPS6318811A (ja) * | 1986-07-11 | 1988-01-26 | Victor Co Of Japan Ltd | 雑音低減回路 |
| FR2605159B1 (fr) * | 1986-10-08 | 1993-10-08 | Production Creation Audiovisuell | Correcteur anti-oscillations notamment pour filtre |
-
1969
- 1969-02-19 DE DE19691908247 patent/DE1908247B2/de not_active Withdrawn
-
1970
- 1970-02-13 BE BE745949D patent/BE745949A/xx unknown
- 1970-02-16 FR FR707005378A patent/FR2031520B1/fr not_active Expired
- 1970-02-18 NL NL7002274A patent/NL7002274A/xx unknown
- 1970-02-18 GB GB7747/70A patent/GB1246243A/en not_active Expired
- 1970-02-18 US US12281A patent/US3602737A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| BE745949A (fr) | 1970-07-16 |
| DE1908247A1 (de) | 1970-09-24 |
| FR2031520A1 (xx) | 1970-11-20 |
| US3602737A (en) | 1971-08-31 |
| GB1246243A (en) | 1971-09-15 |
| DE1908247B2 (de) | 1971-03-04 |
| FR2031520B1 (xx) | 1974-03-01 |