NL177963C - Apertuurcorrectieschakeling voor videosignalen. - Google Patents
Apertuurcorrectieschakeling voor videosignalen.Info
- Publication number
- NL177963C NL177963C NLAANVRAGE7118199,A NL7118199A NL177963C NL 177963 C NL177963 C NL 177963C NL 7118199 A NL7118199 A NL 7118199A NL 177963 C NL177963 C NL 177963C
- Authority
- NL
- Netherlands
- Prior art keywords
- video signals
- correction switch
- aperture correction
- aperture
- switch
- Prior art date
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
- H04N5/142—Edging; Contouring
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 |
---|---|---|---|
FR7138452A FR2157701B1 (xx) | 1971-10-26 | 1971-10-26 |
Publications (2)
Publication Number | Publication Date |
---|---|
NL7118199A NL7118199A (xx) | 1973-05-01 |
NL177963C true NL177963C (nl) | 1985-12-16 |
Family
ID=9084914
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NLAANVRAGE7118199,A NL177963C (nl) | 1971-10-26 | 1971-12-31 | Apertuurcorrectieschakeling voor videosignalen. |
Country Status (7)
Country | Link |
---|---|
US (1) | US3814847A (xx) |
JP (2) | JPS5623349B1 (xx) |
DD (1) | DD95033A5 (xx) |
DE (1) | DE2156673C3 (xx) |
FR (1) | FR2157701B1 (xx) |
GB (1) | GB1336079A (xx) |
NL (1) | NL177963C (xx) |
Families Citing this family (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3949162A (en) * | 1974-02-25 | 1976-04-06 | Actron Industries, Inc. | Detector array fixed-pattern noise compensation |
AT342685B (de) * | 1975-04-24 | 1978-04-10 | Siemens Ag | Verfahren und schaltungsanordnung zur konturkorrektur des leuchtdichtesignals in einer fernsehkamera |
US3996421A (en) * | 1975-09-02 | 1976-12-07 | Hughes Aircraft Company | Television display utilizing local area brightness control |
FR2406359A1 (fr) * | 1977-10-11 | 1979-05-11 | Thomson Csf | Procede et dispositif de traitement d'image pour systeme de visualisation et systeme de visualisation comprenant un tel dispositif |
US4142211A (en) * | 1977-11-23 | 1979-02-27 | Microtime, Inc. | Bidimensional noise reduction system for television |
US4215414A (en) * | 1978-03-07 | 1980-07-29 | Hughes Aircraft Company | Pseudogaussian video output processing for digital display |
WO1980000774A1 (en) * | 1978-09-28 | 1980-04-17 | Eastman Kodak Co | Electronic image enhancement |
JPS55130273A (en) * | 1979-03-29 | 1980-10-08 | Matsushita Electric Ind Co Ltd | Picture processing method |
US4249202A (en) * | 1979-05-09 | 1981-02-03 | Ampex Corporation | Circuit for frequency selective coring of a video signal |
JPS568140A (en) * | 1979-07-02 | 1981-01-27 | Dainippon Screen Mfg Co Ltd | Emphasizing method of sharpness in image scanning and recording apparatus |
US4463381A (en) * | 1980-04-16 | 1984-07-31 | Eastman Kodak Company | Image processing apparatus including a partitioned low pass channel |
FR2501941B1 (fr) * | 1981-03-12 | 1986-04-11 | Cit Alcatel | Procede et dispositif d'accentuation des traits d'une image en noir et blanc reproduite a partir d'une transcription numerique |
GB2126822B (en) * | 1982-07-30 | 1986-08-06 | British Broadcasting Corp | Video signal processing |
US4473845A (en) * | 1983-01-24 | 1984-09-25 | Eastman Kodak Company | Method and apparatus for processing signals from a solid-state image sensor |
US5216521A (en) * | 1990-01-10 | 1993-06-01 | Agfa-Gevaert Aktiengesellschaft | Reproduction of photographic originals with scattered light correction |
JP2811623B2 (ja) * | 1992-07-27 | 1998-10-15 | テクトロニクス・インコーポレイテッド | 印刷装置 |
US6055340A (en) * | 1997-02-28 | 2000-04-25 | Fuji Photo Film Co., Ltd. | Method and apparatus for processing digital images to suppress their noise and enhancing their sharpness |
US6925210B2 (en) * | 2001-07-09 | 2005-08-02 | Michael Herf | Method for blurring images in real-time |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL278517A (xx) * | 1961-05-16 | |||
GB1110319A (en) * | 1965-05-03 | 1968-04-18 | British Broadcasting Corp | Apparatus for processing television signals |
US3536826A (en) * | 1966-10-05 | 1970-10-27 | Columbia Broadcasting Syst Inc | Vertical aperture correction apparatus |
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 |
-
1971
- 1971-10-26 FR FR7138452A patent/FR2157701B1/fr not_active Expired
- 1971-11-15 DE DE2156673A patent/DE2156673C3/de not_active Expired
- 1971-12-01 DD DD159285A patent/DD95033A5/xx unknown
- 1971-12-20 GB GB5918371A patent/GB1336079A/en not_active Expired
- 1971-12-27 US US00211981A patent/US3814847A/en not_active Expired - Lifetime
- 1971-12-28 JP JP724000A patent/JPS5623349B1/ja active Pending
- 1971-12-28 JP JP47004000A patent/JPS4852132A/ja active Pending
- 1971-12-31 NL NLAANVRAGE7118199,A patent/NL177963C/xx not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
JPS5623349B1 (xx) | 1981-05-30 |
GB1336079A (en) | 1973-11-07 |
NL7118199A (xx) | 1973-05-01 |
DE2156673B2 (de) | 1980-07-24 |
JPS4852132A (xx) | 1973-07-21 |
US3814847A (en) | 1974-06-04 |
FR2157701A1 (xx) | 1973-06-08 |
DD95033A5 (xx) | 1973-01-12 |
DE2156673A1 (de) | 1973-05-03 |
FR2157701B1 (xx) | 1974-05-31 |
DE2156673C3 (de) | 1981-07-09 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
BB | A search report has been drawn up | ||
BC | A request for examination has been filed | ||
A85 | Still pending on 85-01-01 | ||
V1 | Lapsed because of non-payment of the annual fee |