JPS4929518A - - Google Patents
Info
- Publication number
- JPS4929518A JPS4929518A JP47070227A JP7022772A JPS4929518A JP S4929518 A JPS4929518 A JP S4929518A JP 47070227 A JP47070227 A JP 47070227A JP 7022772 A JP7022772 A JP 7022772A JP S4929518 A JPS4929518 A JP S4929518A
- Authority
- JP
- Japan
- 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)
Priority Applications (11)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7022772A JPS5538869B2 (en:Method) | 1972-07-13 | 1972-07-13 | |
| AU57942/73A AU474286B2 (en) | 1972-07-13 | 1973-07-10 | Aperture correction circuit |
| IT51388/73A IT989830B (it) | 1972-07-13 | 1973-07-10 | Circuito di correzione di apertura per televisori |
| US00378450A US3839598A (en) | 1972-07-13 | 1973-07-12 | Aperture correction circuit |
| NL7309757A NL7309757A (en:Method) | 1972-07-13 | 1973-07-12 | |
| SE7309842A SE382902B (sv) | 1972-07-13 | 1973-07-12 | Oppningskorrektionskrets |
| BR5207/73A BR7305207D0 (pt) | 1972-07-13 | 1973-07-12 | Aperfeicoamento em circuito de correcao de abertura |
| CA176,303A CA987781A (en) | 1972-07-13 | 1973-07-12 | Aperture correction circuit |
| GB3339073A GB1411709A (en) | 1972-07-13 | 1973-07-12 | Aperture correction circuit |
| FR7325893A FR2193296B1 (en:Method) | 1972-07-13 | 1973-07-13 | |
| DE2335763A DE2335763C2 (de) | 1972-07-13 | 1973-07-13 | Aperturkorrekturschaltung |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7022772A JPS5538869B2 (en:Method) | 1972-07-13 | 1972-07-13 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS4929518A true JPS4929518A (en:Method) | 1974-03-16 |
| JPS5538869B2 JPS5538869B2 (en:Method) | 1980-10-07 |
Family
ID=13425447
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7022772A Expired JPS5538869B2 (en:Method) | 1972-07-13 | 1972-07-13 |
Country Status (11)
| Country | Link |
|---|---|
| US (1) | US3839598A (en:Method) |
| JP (1) | JPS5538869B2 (en:Method) |
| AU (1) | AU474286B2 (en:Method) |
| BR (1) | BR7305207D0 (en:Method) |
| CA (1) | CA987781A (en:Method) |
| DE (1) | DE2335763C2 (en:Method) |
| FR (1) | FR2193296B1 (en:Method) |
| GB (1) | GB1411709A (en:Method) |
| IT (1) | IT989830B (en:Method) |
| NL (1) | NL7309757A (en:Method) |
| SE (1) | SE382902B (en:Method) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4071782A (en) * | 1976-06-28 | 1978-01-31 | International Video Corporation | Phaseless equalizer |
| DE2906649C2 (de) * | 1979-02-21 | 1981-02-19 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Schaltung zur Verbesserung der Bildschärfe in einem Fernsehempfänger |
| JPS5668073A (en) * | 1979-11-07 | 1981-06-08 | Canon Inc | Outline correcting device of video signal |
| 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 |
| JP2003526999A (ja) * | 2000-03-15 | 2003-09-09 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | ピーキングフィルタを有するビデオ装置 |
| DE10129014A1 (de) * | 2001-06-15 | 2003-01-02 | Infineon Technologies Ag | Verfahren und Vorrichtung zur Risetime-Optimierung eines Signals |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS496830A (en:Method) * | 1972-05-09 | 1974-01-22 |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2678389A (en) * | 1950-08-14 | 1954-05-11 | Hazeltine Research Inc | Signal-translating system for television receivers |
| DE1108346B (de) * | 1956-10-25 | 1961-06-08 | Telefunken Patent | Schaltungsanordnung zur Entzerrung des frequenzabhaengigen Amplitudengangs eines UEbertragungsvierpols fuer Signale eines breiten Frequenzbandes |
| US3153207A (en) * | 1961-10-31 | 1964-10-13 | Bell Telephone Labor Inc | Means for improving the quality of received television images |
| NL6403484A (en:Method) * | 1964-04-02 | 1965-10-04 | ||
| US3472950A (en) * | 1965-08-07 | 1969-10-14 | Matsushita Electric Industrial Co Ltd | Method for improving sharpness of television images |
| DE1562035A1 (de) * | 1968-02-06 | 1970-07-23 | Telefunken Patent | Schaltungsanordnung zur Differenzierentzerrung in Fernsehempfaengern |
| DE1562034A1 (de) * | 1968-02-06 | 1970-07-23 | Telefunken Patent | Schaltungsanordnung zur Differenzierentzerrung in Fernsehempfaengern |
| DE2020861B2 (de) * | 1970-04-29 | 1975-10-30 | Robert Bosch Gmbh, 7000 Stuttgart | Schaltung zur vertikalen Aperturkorrektur für Fernsehbildgeber |
-
1972
- 1972-07-13 JP JP7022772A patent/JPS5538869B2/ja not_active Expired
-
1973
- 1973-07-10 AU AU57942/73A patent/AU474286B2/en not_active Expired
- 1973-07-10 IT IT51388/73A patent/IT989830B/it active
- 1973-07-12 BR BR5207/73A patent/BR7305207D0/pt unknown
- 1973-07-12 NL NL7309757A patent/NL7309757A/xx not_active Application Discontinuation
- 1973-07-12 SE SE7309842A patent/SE382902B/xx unknown
- 1973-07-12 US US00378450A patent/US3839598A/en not_active Expired - Lifetime
- 1973-07-12 CA CA176,303A patent/CA987781A/en not_active Expired
- 1973-07-12 GB GB3339073A patent/GB1411709A/en not_active Expired
- 1973-07-13 DE DE2335763A patent/DE2335763C2/de not_active Expired
- 1973-07-13 FR FR7325893A patent/FR2193296B1/fr not_active Expired
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS496830A (en:Method) * | 1972-05-09 | 1974-01-22 |
Also Published As
| Publication number | Publication date |
|---|---|
| US3839598A (en) | 1974-10-01 |
| DE2335763C2 (de) | 1982-12-16 |
| CA987781A (en) | 1976-04-20 |
| JPS5538869B2 (en:Method) | 1980-10-07 |
| NL7309757A (en:Method) | 1974-01-15 |
| GB1411709A (en) | 1975-10-29 |
| IT989830B (it) | 1975-06-10 |
| AU5794273A (en) | 1975-01-16 |
| SE382902B (sv) | 1976-02-16 |
| BR7305207D0 (pt) | 1974-08-22 |
| FR2193296A1 (en:Method) | 1974-02-15 |
| DE2335763A1 (de) | 1974-01-31 |
| FR2193296B1 (en:Method) | 1981-04-30 |
| AU474286B2 (en) | 1976-07-15 |