FR868878A - Method for eliminating modulation errors which occur during scanning by a cathode ray tube due to residual fluorescence of the fluorescent material - Google Patents
Method for eliminating modulation errors which occur during scanning by a cathode ray tube due to residual fluorescence of the fluorescent materialInfo
- Publication number
- FR868878A FR868878A FR868878DA FR868878A FR 868878 A FR868878 A FR 868878A FR 868878D A FR868878D A FR 868878DA FR 868878 A FR868878 A FR 868878A
- Authority
- FR
- France
- Prior art keywords
- ray tube
- cathode ray
- fluorescent material
- occur during
- during scanning
- Prior art date
- 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.)
- Expired
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/222—Studio circuitry; Studio devices; Studio equipment
- H04N5/257—Picture signal generators using flying-spot scanners
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J29/00—Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00
- H01J29/02—Electrodes; Screens; Mounting, supporting, spacing or insulating thereof
- H01J29/10—Screens on or from which an image or pattern is formed, picked up, converted or stored
- H01J29/18—Luminescent screens
- H01J29/182—Luminescent screens acting upon the lighting-up of the luminescent material other than by the composition of the luminescent material, e.g. by infra red or UV radiation, heating or electric fields
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Cathode-Ray Tubes And Fluorescent Screens For Display (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE228104X | 1939-09-05 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR868878A true FR868878A (en) | 1942-01-19 |
Family
ID=5867020
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR868878D Expired FR868878A (en) | 1939-09-05 | 1940-12-31 | Method for eliminating modulation errors which occur during scanning by a cathode ray tube due to residual fluorescence of the fluorescent material |
Country Status (4)
Country | Link |
---|---|
US (1) | US2297499A (en) |
BE (1) | BE439852A (en) |
CH (1) | CH228104A (en) |
FR (1) | FR868878A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE871908C (en) * | 1942-03-27 | 1953-03-26 | Telefunken Gmbh | Circuit arrangement for television image splitter |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2495534A (en) * | 1945-10-26 | 1950-01-24 | John W Meaker | Apparatus for perforating sheet material |
US2617879A (en) * | 1948-06-18 | 1952-11-11 | Rca Corp | Signal quantizer |
US2764697A (en) * | 1950-11-02 | 1956-09-25 | Rca Corp | Image scanning system |
-
0
- BE BE439852D patent/BE439852A/xx unknown
-
1940
- 1940-08-19 CH CH228104D patent/CH228104A/en unknown
- 1940-08-22 US US353685A patent/US2297499A/en not_active Expired - Lifetime
- 1940-12-31 FR FR868878D patent/FR868878A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE871908C (en) * | 1942-03-27 | 1953-03-26 | Telefunken Gmbh | Circuit arrangement for television image splitter |
Also Published As
Publication number | Publication date |
---|---|
US2297499A (en) | 1942-09-29 |
CH228104A (en) | 1943-07-31 |
BE439852A (en) |
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