CH353035A - Dispositif destiné à corriger la distorsion dite de dispersion présente dans des signaux vidéo - Google Patents
Dispositif destiné à corriger la distorsion dite de dispersion présente dans des signaux vidéoInfo
- Publication number
- CH353035A CH353035A CH353035DA CH353035A CH 353035 A CH353035 A CH 353035A CH 353035D A CH353035D A CH 353035DA CH 353035 A CH353035 A CH 353035A
- Authority
- CH
- Switzerland
- Prior art keywords
- correct
- video signals
- device intended
- distortion present
- called dispersion
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J25/00—Transit-time tubes, e.g. klystrons, travelling-wave tubes, magnetrons
- H01J25/02—Tubes with electron stream modulated in velocity or density in a modulator zone and thereafter giving up energy in an inducing zone, the zones being associated with one or more resonators
- H01J25/10—Klystrons, i.e. tubes having two or more resonators, without reflection of the electron stream, and in which the stream is modulated mainly by velocity in the zone of the input resonator
- H01J25/12—Klystrons, i.e. tubes having two or more resonators, without reflection of the electron stream, and in which the stream is modulated mainly by velocity in the zone of the input resonator with pencil-like electron stream in the axis of the resonators
-
- 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)
- Microwave Tubes (AREA)
- Filters And Equalizers (AREA)
- Processing Of Color Television Signals (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB353035X | 1957-11-04 | ||
GB355222X | 1957-11-22 | ||
GB140858X | 1958-08-14 |
Publications (1)
Publication Number | Publication Date |
---|---|
CH353035A true CH353035A (fr) | 1961-03-31 |
Family
ID=27257092
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH353035D CH353035A (fr) | 1957-11-04 | 1958-11-04 | Dispositif destiné à corriger la distorsion dite de dispersion présente dans des signaux vidéo |
CH355222D CH355222A (fr) | 1957-11-04 | 1958-11-04 | Klystron pour très hautes fréquences |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH355222D CH355222A (fr) | 1957-11-04 | 1958-11-04 | Klystron pour très hautes fréquences |
Country Status (5)
Country | Link |
---|---|
US (1) | US3149287A (fr) |
CH (2) | CH353035A (fr) |
FR (2) | FR1215070A (fr) |
GB (2) | GB833923A (fr) |
NL (2) | NL114028C (fr) |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2171536A (en) * | 1935-11-23 | 1939-09-05 | Philco Radio & Television Corp | Electrical system |
US2138341A (en) * | 1937-05-26 | 1938-11-29 | Rca Corp | Frequency or phase modulation receiver |
US2378819A (en) * | 1942-11-24 | 1945-06-19 | Philco Radio & Television Corp | Frequency modulation detector and converter |
US2534627A (en) * | 1946-05-22 | 1950-12-19 | Rca Corp | Video amplifier with separate channels for high and low frequencies |
US2589133A (en) * | 1948-01-13 | 1952-03-11 | John Hays Hammond Jr | Electrical filter |
US2694142A (en) * | 1949-11-10 | 1954-11-09 | Bell Telephone Labor Inc | Signal-to-noise energy detection unit |
US2745907A (en) * | 1951-05-03 | 1956-05-15 | Gunter K Guttwein | Tone control circuit |
US3054064A (en) * | 1958-02-12 | 1962-09-11 | Thompson Ramo Wooldridge Inc | D.-c. output frequency discriminators using lag lead phase shift networks, sampling, and averaging circuits |
-
0
- NL NL232707D patent/NL232707A/xx unknown
- NL NL114028D patent/NL114028C/xx active
-
1957
- 1957-11-04 GB GB34320/57A patent/GB833923A/en not_active Expired
- 1957-11-22 GB GB36464/57A patent/GB825383A/en not_active Expired
-
1958
- 1958-10-20 US US768148A patent/US3149287A/en not_active Expired - Lifetime
- 1958-11-04 CH CH353035D patent/CH353035A/fr unknown
- 1958-11-04 FR FR778253A patent/FR1215070A/fr not_active Expired
- 1958-11-04 CH CH355222D patent/CH355222A/fr unknown
- 1958-11-14 FR FR1208667D patent/FR1208667A/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
NL232707A (fr) | |
GB825383A (en) | 1959-12-16 |
NL114028C (fr) | |
GB833923A (en) | 1960-05-04 |
CH355222A (fr) | 1961-06-30 |
FR1215070A (fr) | 1960-04-13 |
US3149287A (en) | 1964-09-15 |
FR1208667A (fr) | 1960-02-25 |
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