FR2366579B1 - - Google Patents
Info
- Publication number
- FR2366579B1 FR2366579B1 FR7729334A FR7729334A FR2366579B1 FR 2366579 B1 FR2366579 B1 FR 2366579B1 FR 7729334 A FR7729334 A FR 7729334A FR 7729334 A FR7729334 A FR 7729334A FR 2366579 B1 FR2366579 B1 FR 2366579B1
- 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.)
- Expired
Links
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/24—Testing of discharge tubes
- G01R31/25—Testing of vacuum tubes
- G01R31/257—Testing of beam-tubes, e.g. cathode-ray tubes, image pick-up tubes
-
- 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
- H01J29/46—Arrangements of electrodes and associated parts for generating or controlling the ray or beam, e.g. electron-optical arrangement
- H01J29/70—Arrangements for deflecting ray or beam
- H01J29/701—Systems for correcting deviation or convergence of a plurality of beams by means of magnetic fields at least
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J9/00—Apparatus or processes specially adapted for the manufacture, installation, removal, maintenance of electric discharge tubes, discharge lamps, or parts thereof; Recovery of material from discharge tubes or lamps
- H01J9/44—Factory adjustment of completed discharge tubes or lamps to comply with desired tolerances
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Video Image Reproduction Devices For Color Tv Systems (AREA)
- Manufacture Of Electron Tubes, Discharge Lamp Vessels, Lead-In Wires, And The Like (AREA)
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB4069676 | 1976-09-30 | ||
GB4069576 | 1976-09-30 | ||
US05/783,478 US4137548A (en) | 1976-09-30 | 1977-03-31 | Method and apparatus for optimizing color purity in a color kinescope |
US05/783,215 US4122485A (en) | 1976-09-30 | 1977-03-31 | Method and apparatus for simulating magnetic environment of television receivers |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2366579A1 FR2366579A1 (fr) | 1978-04-28 |
FR2366579B1 true FR2366579B1 (cs) | 1982-08-20 |
Family
ID=27448943
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7729334A Granted FR2366579A1 (fr) | 1976-09-30 | 1977-09-29 | Simulation de sources de defauts de purete de couleurs dans un tube-image couleurs |
Country Status (3)
Country | Link |
---|---|
DE (1) | DE2744095C2 (cs) |
FR (1) | FR2366579A1 (cs) |
IT (1) | IT1085286B (cs) |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3369201A (en) * | 1964-08-27 | 1968-02-13 | Rauland Corp | Color cathode ray tube convergence and deflection testing assembly and fixture therefor |
US3887833A (en) * | 1969-06-16 | 1975-06-03 | Hitachi Ltd | Color purity adjusting device for a color picture tube |
GB1220900A (en) * | 1969-08-05 | 1971-01-27 | Mullard Ltd | Measuring the beam landing characteristic of a shadow-mask cathode-ray tube |
US3916437A (en) * | 1974-06-10 | 1975-10-28 | Rca Corp | Purity adjustment for color display system |
US4001877A (en) * | 1975-11-26 | 1977-01-04 | Rca Corporation | Method of measuring color purity tolerance of a color display tube |
-
1977
- 1977-09-29 IT IT2811977A patent/IT1085286B/it active
- 1977-09-29 FR FR7729334A patent/FR2366579A1/fr active Granted
- 1977-09-30 DE DE19772744095 patent/DE2744095C2/de not_active Expired
Also Published As
Publication number | Publication date |
---|---|
DE2744095A1 (de) | 1978-04-06 |
DE2744095C2 (de) | 1986-02-06 |
FR2366579A1 (fr) | 1978-04-28 |
IT1085286B (it) | 1985-05-28 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |