FR2259434B1 - - Google Patents
Info
- Publication number
- FR2259434B1 FR2259434B1 FR7502816A FR7502816A FR2259434B1 FR 2259434 B1 FR2259434 B1 FR 2259434B1 FR 7502816 A FR7502816 A FR 7502816A FR 7502816 A FR7502816 A FR 7502816A FR 2259434 B1 FR2259434 B1 FR 2259434B1
- 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
- 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
- H01J9/02—Manufacture of electrodes or electrode systems
- H01J9/04—Manufacture of electrodes or electrode systems of thermionic cathodes
-
- 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
- H01J29/04—Cathodes
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Solid Thermionic Cathode (AREA)
- Electrodes For Cathode-Ray Tubes (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1239274A JPS50106555A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1974-01-29 | 1974-01-29 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2259434A1 FR2259434A1 (en) | 1975-08-22 |
| FR2259434B1 true FR2259434B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1978-02-03 |
Family
ID=11803986
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7502816A Granted FR2259434A1 (en) | 1974-01-29 | 1975-01-29 | Cathodes for colour television tubes - with black, oxidised sleeves for rapid heat absorption when set is switched on |
Country Status (4)
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4184100A (en) * | 1977-03-29 | 1980-01-15 | Tokyo Shibaura Electric Co., Ltd. | Indirectly-heated cathode device for electron tubes |
| JPS546761A (en) * | 1977-06-17 | 1979-01-19 | Matsushita Electronics Corp | Manufacture of electronic cathode-ray tube |
| JPS6016059B2 (ja) * | 1977-08-11 | 1985-04-23 | ソニー株式会社 | 陰極線管の製法 |
| DE2835490C2 (de) * | 1978-08-12 | 1986-09-18 | Standard Elektrik Lorenz Ag, 7000 Stuttgart | Verfahren zur Herstellung einer indirekt geheizten Kathode |
| JPS58201225A (ja) * | 1982-05-19 | 1983-11-24 | Hitachi Ltd | 陰極構体 |
| JPH06103622B2 (ja) * | 1986-08-21 | 1994-12-14 | ソニー株式会社 | 電子銃の組立方法 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL156193B (nl) * | 1972-12-08 | 1978-03-15 | Philips Nv | Werkwijze voor het bedekken van een chroom-nikkel-onderdeel met een chroomoxydehoudende laag, en onderdeel voorzien van een dergelijke laag. |
-
1974
- 1974-01-29 JP JP1239274A patent/JPS50106555A/ja active Pending
-
1975
- 1975-01-27 DE DE19752503144 patent/DE2503144A1/de active Pending
- 1975-01-29 NL NL7501068A patent/NL7501068A/xx unknown
- 1975-01-29 FR FR7502816A patent/FR2259434A1/fr active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS50106555A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1975-08-22 |
| FR2259434A1 (en) | 1975-08-22 |
| DE2503144A1 (de) | 1975-07-31 |
| NL7501068A (nl) | 1975-07-31 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |