FR2177559B1 - - Google Patents
Info
- Publication number
- FR2177559B1 FR2177559B1 FR7211067A FR7211067A FR2177559B1 FR 2177559 B1 FR2177559 B1 FR 2177559B1 FR 7211067 A FR7211067 A FR 7211067A FR 7211067 A FR7211067 A FR 7211067A FR 2177559 B1 FR2177559 B1 FR 2177559B1
- 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
-
- 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
- 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
- H01J29/702—Convergence correction arrangements therefor
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J2229/00—Details of cathode ray tubes or electron beam tubes
- H01J2229/56—Correction of beam optics
- H01J2229/568—Correction of beam optics using supplementary correction devices
- H01J2229/5681—Correction of beam optics using supplementary correction devices magnetic
- H01J2229/5682—Permanently magnetised materials, e.g. permanent magnets
Priority Applications (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US00237855A US3743984A (en) | 1972-03-24 | 1972-03-24 | Magnetic convergence device for use in an in-line type color cathode ray tube |
| GB1449972A GB1330827A (en) | 1972-03-24 | 1972-03-28 | Magnetic convergence devic for use in an in-line type colour cathode ray tube |
| FR7211067A FR2177559B1 (US08063081-20111122-C00044.png) | 1972-03-24 | 1972-03-29 | |
| DE19722215723 DE2215723C3 (de) | 1972-03-30 | Magnetische Fokussierungsvorrichtung | |
| NL7204295.A NL164696C (nl) | 1972-03-24 | 1972-03-30 | Magnetische convergentie-inrichting voor een in-lijn kleurenbeeldbuis. |
| CH499972A CH534426A (de) | 1972-03-24 | 1972-05-05 | Konvergenzeinheit an einer Einzeilen-Farbbildröhre |
Applications Claiming Priority (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US23785572A | 1972-03-24 | 1972-03-24 | |
| GB1449972 | 1972-03-28 | ||
| FR7211067A FR2177559B1 (US08063081-20111122-C00044.png) | 1972-03-24 | 1972-03-29 | |
| DE19722215723 DE2215723C3 (de) | 1972-03-30 | Magnetische Fokussierungsvorrichtung | |
| NL7204295.A NL164696C (nl) | 1972-03-24 | 1972-03-30 | Magnetische convergentie-inrichting voor een in-lijn kleurenbeeldbuis. |
| CH499972A CH534426A (de) | 1972-03-24 | 1972-05-05 | Konvergenzeinheit an einer Einzeilen-Farbbildröhre |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2177559A1 FR2177559A1 (US08063081-20111122-C00044.png) | 1973-11-09 |
| FR2177559B1 true FR2177559B1 (US08063081-20111122-C00044.png) | 1978-05-12 |
Family
ID=27543758
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7211067A Expired FR2177559B1 (US08063081-20111122-C00044.png) | 1972-03-24 | 1972-03-29 |
Country Status (5)
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3889217A (en) * | 1973-02-28 | 1975-06-10 | Gen Electric | Convergence means for inline-type cathode ray tube |
| US4100518A (en) * | 1976-06-21 | 1978-07-11 | Rca Corporation | Eccentric convergence apparatus for in-line beam cathode ray tubes |
| EP0090108B1 (en) * | 1982-03-31 | 1986-06-11 | International Business Machines Corporation | Convergence unit for in-line colour cathode ray tube |
| US4833432A (en) * | 1985-11-26 | 1989-05-23 | Denki Onkyo Co., Ltd. | Saturable reactor for use in self-convergence system fo deflection yoke |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2791709A (en) * | 1955-07-29 | 1957-05-07 | Meco Inc | Convergence unit for picture receiving tubes |
| US3305807A (en) * | 1965-07-02 | 1967-02-21 | Gen Electric | Convergence apparatus with convergence members on opposite surfaces of flat members |
| US3496501A (en) * | 1967-05-19 | 1970-02-17 | Gen Instrument Corp | Convergence coil assembly for color television |
| US3553523A (en) * | 1969-06-12 | 1971-01-05 | Sylvania Electric Prod | Convergence means for plural in-line beam cathode ray tube |
-
1972
- 1972-03-24 US US00237855A patent/US3743984A/en not_active Expired - Lifetime
- 1972-03-28 GB GB1449972A patent/GB1330827A/en not_active Expired
- 1972-03-29 FR FR7211067A patent/FR2177559B1/fr not_active Expired
- 1972-03-30 NL NL7204295.A patent/NL164696C/xx not_active IP Right Cessation
- 1972-05-05 CH CH499972A patent/CH534426A/de not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| NL164696B (nl) | 1980-08-15 |
| NL7204295A (US08063081-20111122-C00044.png) | 1973-10-02 |
| NL164696C (nl) | 1980-08-15 |
| FR2177559A1 (US08063081-20111122-C00044.png) | 1973-11-09 |
| DE2215723A1 (de) | 1973-10-11 |
| DE2215723B2 (de) | 1976-07-01 |
| US3743984A (en) | 1973-07-03 |
| GB1330827A (en) | 1973-09-19 |
| CH534426A (de) | 1973-02-28 |
