FR2285709B1 - - Google Patents
Info
- Publication number
- FR2285709B1 FR2285709B1 FR7501166A FR7501166A FR2285709B1 FR 2285709 B1 FR2285709 B1 FR 2285709B1 FR 7501166 A FR7501166 A FR 7501166A FR 7501166 A FR7501166 A FR 7501166A FR 2285709 B1 FR2285709 B1 FR 2285709B1
- 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
- H01J29/02—Electrodes; Screens; Mounting, supporting, spacing or insulating thereof
- H01J29/06—Screens for shielding; Masks interposed in the electron stream
- H01J29/07—Shadow masks for colour television tubes
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US507689A US3916243A (en) | 1974-09-20 | 1974-09-20 | Channeled shadow mask |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2285709A1 FR2285709A1 (fr) | 1976-04-16 |
| FR2285709B1 true FR2285709B1 (de) | 1979-09-28 |
Family
ID=24019722
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7501166A Granted FR2285709A1 (fr) | 1974-09-20 | 1975-01-15 | Masque a orifices de passage de faisceaux electroniques |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US3916243A (de) |
| JP (1) | JPS5143072A (de) |
| BE (1) | BE823071A (de) |
| CA (1) | CA1024580A (de) |
| DE (1) | DE2459004A1 (de) |
| FR (1) | FR2285709A1 (de) |
| GB (1) | GB1481717A (de) |
| IT (1) | IT1031795B (de) |
| NL (1) | NL7415706A (de) |
Families Citing this family (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4048536A (en) * | 1976-03-18 | 1977-09-13 | Buckbee-Mears Company | Shadow mask with plurality of recessed regions extending across mask in two directions |
| US4131822A (en) * | 1977-05-20 | 1978-12-26 | Rca Corporation | Cathode ray tube with stress-relieved slot-aperture shadow mask |
| US4293792A (en) * | 1979-12-18 | 1981-10-06 | Rca Corporation | Color picture tube having improved slit type shadow mask |
| US4300069A (en) * | 1979-12-18 | 1981-11-10 | Rca Corporation | Color picture tube having improved slit type shadow mask and method of making same |
| US4389592A (en) * | 1980-05-12 | 1983-06-21 | Buckbee-Mears Company | Color picture tube and aperture mask therefor |
| JPS577041A (en) * | 1980-05-12 | 1982-01-14 | Buckbee Mears Co | Structure with visual sense opening line and method of manufacturing same |
| CA1175876A (en) * | 1980-05-12 | 1984-10-09 | Roland Thoms | Television picture tubes and hole technology |
| US4727280A (en) * | 1984-03-30 | 1988-02-23 | Mitsubishi Denki Kabushiki Kaisha | Shadow mask for color cathode ray tube shaped to minimize doming |
| JPS60240028A (ja) * | 1984-05-10 | 1985-11-28 | Mitsubishi Electric Corp | シヤドウマスク |
| US4632726A (en) * | 1984-07-13 | 1986-12-30 | Bmc Industries, Inc. | Multi-graded aperture mask method |
| FR2576452A1 (fr) * | 1985-01-22 | 1986-07-25 | Rca Corp | Tube image couleur a masque d'ombre perfectionne |
| JPS622434A (ja) * | 1985-06-27 | 1987-01-08 | Sony Corp | 陰極線管の色選別機構の製法 |
| US5382870A (en) * | 1992-09-21 | 1995-01-17 | Bmc Industries, Inc. | Stackable aperture masks |
| EP0841679B1 (de) * | 1996-11-11 | 2003-02-12 | Kabushiki Kaisha Toshiba | Schattenmaske und Verfahren zu deren Herstellung |
| KR20020018278A (ko) * | 2000-09-01 | 2002-03-08 | 김순택 | 칼라 음극선관용 마스크 및 이 마스크의 제조방법과마스크를 제조하기 위한 노광마스크 |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3653900A (en) * | 1969-08-15 | 1972-04-04 | Zenith Radio Corp | Selective etching process for changing shadow-mask aperture size |
| US3753663A (en) * | 1969-08-15 | 1973-08-21 | Zenith Radio Corp | Blank for shadow mask for color television picture tube |
| US3923566A (en) * | 1972-06-21 | 1975-12-02 | Rca Corp | Method of fabricating an apertured mask for a cathode-ray tube |
-
1974
- 1974-09-20 US US507689A patent/US3916243A/en not_active Expired - Lifetime
- 1974-11-26 CA CA214,619A patent/CA1024580A/en not_active Expired
- 1974-12-02 NL NL7415706A patent/NL7415706A/xx not_active Application Discontinuation
- 1974-12-06 BE BE151265A patent/BE823071A/xx unknown
- 1974-12-09 GB GB53206/74A patent/GB1481717A/en not_active Expired
- 1974-12-13 DE DE19742459004 patent/DE2459004A1/de not_active Withdrawn
-
1975
- 1975-01-15 FR FR7501166A patent/FR2285709A1/fr active Granted
- 1975-02-17 IT IT20340/75A patent/IT1031795B/it active
- 1975-03-14 JP JP50031014A patent/JPS5143072A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| GB1481717A (en) | 1977-08-03 |
| CA1024580A (en) | 1978-01-17 |
| IT1031795B (it) | 1979-05-10 |
| BE823071A (nl) | 1975-04-01 |
| NL7415706A (nl) | 1976-03-23 |
| DE2459004A1 (de) | 1976-04-01 |
| US3916243A (en) | 1975-10-28 |
| FR2285709A1 (fr) | 1976-04-16 |
| JPS5143072A (en) | 1976-04-13 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |