FR2231169A1 - - Google Patents
Info
- Publication number
- FR2231169A1 FR2231169A1 FR7407544A FR7407544A FR2231169A1 FR 2231169 A1 FR2231169 A1 FR 2231169A1 FR 7407544 A FR7407544 A FR 7407544A FR 7407544 A FR7407544 A FR 7407544A FR 2231169 A1 FR2231169 A1 FR 2231169A1
- Authority
- FR
- France
- 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.)
- Granted
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
- H04N5/20—Circuitry for controlling amplitude response
- H04N5/205—Circuitry for controlling amplitude response for correcting amplitude versus frequency characteristic
- H04N5/208—Circuitry for controlling amplitude response for correcting amplitude versus frequency characteristic for compensating for attenuation of high frequency components, e.g. crispening, aperture distortion correction
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 |
|---|---|---|---|
| DE2326620A DE2326620C3 (de) | 1973-05-25 | 1973-05-25 | Schaltungsanordnung zur Erzeugung eines Korrektursignals für die Aperturkorrektur von Videosignalen |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2231169A1 true FR2231169A1 (enExample) | 1974-12-20 |
| FR2231169B1 FR2231169B1 (enExample) | 1977-09-23 |
Family
ID=5882091
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7407544A Expired FR2231169B1 (enExample) | 1973-05-25 | 1974-03-06 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US3946153A (enExample) |
| DE (1) | DE2326620C3 (enExample) |
| FR (1) | FR2231169B1 (enExample) |
| GB (1) | GB1413269A (enExample) |
| NL (1) | NL7407006A (enExample) |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5668073A (en) * | 1979-11-07 | 1981-06-08 | Canon Inc | Outline correcting device of video signal |
| JPS57109479A (en) * | 1980-12-26 | 1982-07-07 | Sony Corp | Picture quality adjusting circuit |
| DE3140761C2 (de) * | 1981-10-14 | 1983-08-11 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Schaltung zur Versteilerung der Flanken eines Videosignals, insbesondere für einen Videorecorder |
| DE3226432A1 (de) * | 1981-10-14 | 1984-01-19 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Schaltung zur versteilerung der flanken eines videosignals |
| DE3227895A1 (de) * | 1981-10-14 | 1984-01-26 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Schaltung zur versteilerung der flanken eines videosignals, insbesondere fuer einen videorecorder |
| DE3307014A1 (de) * | 1983-02-28 | 1984-08-30 | Telefunken Fernseh Und Rundfunk Gmbh, 3000 Hannover | Schaltung zur verbesserung der bildschaerfe bei einem videorecorder |
| JPH0744135Y2 (ja) * | 1988-06-20 | 1995-10-09 | ソニー株式会社 | 輪郭強調回路 |
| JPH02296469A (ja) * | 1989-05-10 | 1990-12-07 | Pioneer Electron Corp | 輪郭補償回路 |
| JPH03214885A (ja) * | 1990-01-19 | 1991-09-20 | Toshiba Corp | 色信号の輪郭強調回路 |
| MY108262A (en) * | 1990-08-20 | 1996-09-30 | Rca Licensing Corp | Signal adaptive beam scan velocity modulation. |
| WO2001069918A1 (en) * | 2000-03-15 | 2001-09-20 | Koninklijke Philips Electronics N.V. | Video-apparatus with peaking filter |
| US20050030429A1 (en) * | 2003-08-08 | 2005-02-10 | Stmicroelectronics S.A. | Correction of the scan speed of a display screen |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3549901A (en) * | 1967-03-30 | 1970-12-22 | Central Dynamics | Equalizer circuitry incorporating aperture corrector and independent gain adjustment |
| DE1537111B2 (de) * | 1967-07-28 | 1974-05-16 | Robert Bosch Fernsehanlagen Gmbh, 6100 Darmstadt | Verfahren und Anordnung zur Erhöhung der Konturenschärfe eines Fernsehbildes durch zweiseitige Aperturkorrektur des bildschreibenden Fernsehsignals |
| US3836707A (en) * | 1971-12-27 | 1974-09-17 | Hitachi Ltd | Video signal processing device for extracting the chrominance and luminance signals from a composite video signal in a color television receiver |
-
1973
- 1973-05-25 DE DE2326620A patent/DE2326620C3/de not_active Expired
-
1974
- 1974-03-06 FR FR7407544A patent/FR2231169B1/fr not_active Expired
- 1974-04-11 GB GB1608674A patent/GB1413269A/en not_active Expired
- 1974-05-03 US US05/466,820 patent/US3946153A/en not_active Expired - Lifetime
- 1974-05-24 NL NL7407006A patent/NL7407006A/xx not_active Application Discontinuation
Non-Patent Citations (1)
| Title |
|---|
| NEANT * |
Also Published As
| Publication number | Publication date |
|---|---|
| DE2326620C3 (de) | 1979-08-02 |
| DE2326620A1 (de) | 1974-12-05 |
| DE2326620B2 (de) | 1978-12-07 |
| NL7407006A (enExample) | 1974-11-27 |
| US3946153A (en) | 1976-03-23 |
| FR2231169B1 (enExample) | 1977-09-23 |
| GB1413269A (en) | 1975-11-12 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |