NL95838C - - Google Patents
Info
- Publication number
- NL95838C NL95838C NL95838DA NL95838C NL 95838 C NL95838 C NL 95838C NL 95838D A NL95838D A NL 95838DA NL 95838 C NL95838 C NL 95838C
- Authority
- NL
- Netherlands
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
- H01J9/042—Manufacture, activation of the emissive part
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Discharge Lamp (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| HU323452X | 1952-04-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL95838C true NL95838C (enrdf_load_stackoverflow) |
Family
ID=10978777
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL95838D NL95838C (enrdf_load_stackoverflow) | 1952-04-24 |
Country Status (3)
| Country | Link |
|---|---|
| CH (1) | CH323452A (enrdf_load_stackoverflow) |
| DE (1) | DE1021482B (enrdf_load_stackoverflow) |
| NL (1) | NL95838C (enrdf_load_stackoverflow) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5847498A (en) * | 1994-12-23 | 1998-12-08 | Philips Electronics North America Corporation | Multiple layer composite electrodes for discharge lamps |
| DE19957420A1 (de) | 1999-11-29 | 2001-05-31 | Philips Corp Intellectual Pty | Gasentladungslampe mit Oxidemitter-Elektrode |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB182817A (en) * | 1921-07-11 | 1923-08-09 | Drahtlose Telegraphie Gmbh | Improvements in the cathodes of electric discharge tubes |
| DE597580C (de) * | 1928-05-01 | 1934-05-26 | Osram G M B H Komm Ges | Elektrische Leucht- oder Ultraviolett-Bestrahlungsroehre |
| DE540618C (de) * | 1928-06-09 | 1932-04-26 | Telefunken Gmbh | Verfahren zur Herstellung von Gluehkathoden |
| DE696506C (de) * | 1930-12-07 | 1940-09-23 | Osram G M B H Komm Ges | Elektrische Hochdruckentladungsroehre fuer Beleuchnd Zusatz eines verdampfbaren Metalls |
| DE860384C (de) * | 1943-12-16 | 1952-12-22 | Patra Patent Treuhand | Gluehelektrode fuer elektrische Gasentladungsroehren, insbesondere elektrische Leuchtroehren |
| BE482916A (enrdf_load_stackoverflow) * | 1947-06-05 | |||
| US2547869A (en) * | 1947-10-31 | 1951-04-03 | Sylvania Electric Prod | Fluorescent lamp electrode |
-
0
- NL NL95838D patent/NL95838C/xx active
-
1953
- 1953-04-18 CH CH323452D patent/CH323452A/de unknown
- 1953-04-21 DE DEE7086A patent/DE1021482B/de active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| DE1021482B (de) | 1957-12-27 |
| CH323452A (de) | 1957-07-31 |