NL36929C - - Google Patents
Info
- Publication number
- NL36929C NL36929C NL36929DA NL36929C NL 36929 C NL36929 C NL 36929C NL 36929D A NL36929D A NL 36929DA NL 36929 C NL36929 C NL 36929C
- Authority
- NL
- Netherlands
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B3/00—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties
- H01B3/02—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of inorganic substances
- H01B3/08—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of inorganic substances quartz; glass; glass wool; slag wool; vitreous enamels
- H01B3/085—Particles bound with glass
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J1/00—Details of electrodes, of magnetic control means, of screens, or of the mounting or spacing thereof, common to two or more basic types of discharge tubes or lamps
- H01J1/02—Main electrodes
- H01J1/13—Solid thermionic cathodes
- H01J1/20—Cathodes heated indirectly by an electric current; Cathodes heated by electron or ion bombardment
Landscapes
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Solid Thermionic Cathode (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE375481X | 1930-04-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL36929C true NL36929C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
Family
ID=6344087
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL36929D NL36929C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1930-04-29 |
Country Status (5)
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB734196A (en) * | 1952-06-11 | 1955-07-27 | Standard Telephones Cables Ltd | Improvements in or relating to indirectly heated cathodes |
| AU2002222635A1 (en) * | 2000-12-13 | 2002-06-24 | Hamamatsu Photonics K.K. | Indirectly heated electrode for gas discharge tube |
| AU2002221135A1 (en) * | 2000-12-13 | 2002-06-24 | Hamamatsu Photonics K.K. | Indirectly heated electrode for gas discharge tube |
-
0
- BE BE379240D patent/BE379240A/xx unknown
- NL NL36929D patent/NL36929C/xx active
-
1931
- 1931-04-23 FR FR715895D patent/FR715895A/fr not_active Expired
- 1931-04-24 US US532480A patent/US1983621A/en not_active Expired - Lifetime
- 1931-04-25 GB GB12267/31A patent/GB375481A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US1983621A (en) | 1934-12-11 |
| BE379240A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | |
| FR715895A (fr) | 1931-12-10 |
| GB375481A (en) | 1932-06-30 |